<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 10-06-2026 01:48:09 AM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.funds.mfs.com/20260609" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:mstviii="http://www.funds.mfs.com/20260609" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:srt-types="http://fasb.org/srt-types/2025" xmlns:deprecated="http://www.xbrl.org/2009/role/deprecated" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:oef="http://xbrl.sec.gov/oef/2025" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2025" xmlns:oef-pre="http://xbrl.sec.gov/oef-pre/2025" xmlns:oef-lab="http://xbrl.sec.gov/oef-lab/2025" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:country="http://xbrl.sec.gov/country/2025" xmlns:us-roles="http://fasb.org/us-roles/2025" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:us-types="http://fasb.org/us-types/2025" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:oef-def="http://xbrl.sec.gov/oef-def/2025" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:oef-sr="http://xbrl.sec.gov/oef-sr/2025" xmlns:srt-roles="http://fasb.org/srt-roles/2025" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:stpr="http://xbrl.sec.gov/stpr/2025" elementFormDefault="qualified">
	<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
	<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
	<import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
	<import namespace="http://fasb.org/us-types/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd"/>
	<import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>   
	<import namespace="http://xbrl.sec.gov/country/2025" schemaLocation="https://xbrl.sec.gov/country/2025/country-2025.xsd"/>
	<import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd"/>
	<import namespace="http://fasb.org/srt-types/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd"/>
	<import namespace="http://xbrl.sec.gov/oef-sr/2025" schemaLocation="https://xbrl.sec.gov/oef/2025/oef-sr-2025.xsd"/>
	<import namespace="http://fasb.org/us-gaap/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd"/>
	<import namespace="http://fasb.org/us-roles/2025" schemaLocation="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd"/>
	<import namespace="http://fasb.org/srt-roles/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd"/>
	<annotation>
		<appinfo>
			<link:linkbase id="lnk">
				<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReport" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReport"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportHoldingsDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportLineGraphDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ShareholderReportAverageAnnualReturnDetails"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#ClassOnly"/>
				<link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/LargestHoldingOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#LargestHoldingOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other1CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other1CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#AdditionalIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#BroadBasedIndexOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/Other2CategoryOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#Other2CategoryOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/SalesLoadOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#SalesLoadOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/MaturityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#MaturityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/IndustrySectorOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#IndustrySectorOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/CreditQualityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#CreditQualityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/oef/role/GeographicRegionOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#GeographicRegionOnly"/>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReport">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006707Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006708Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006709Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006710Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000200511Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000126358Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006698Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006705Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006706Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006699Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006700Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006701Member" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006703Member" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006697Member" order="15.0" />
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportHoldingsDetails">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006707Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006708Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006709Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006710Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000200511Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000126358Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006698Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006705Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006706Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006699Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006700Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006701Member" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006703Member" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006697Member" order="15.0" />   
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="MoneyMarketFundsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MoneyMarketFundsMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMember" xlink:label="EquityMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="EquityMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentDebtSecuritiesMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="FixedIncomeSecuritiesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="FixedIncomeSecuritiesMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_FederalAgenciesMember" xlink:label="FederalAgenciesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="InvestmentTypeCategorizationMember" xlink:to="FederalAgenciesMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_OtherCountriesMember" xlink:label="OtherCountriesMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="OtherCategory1Domain" xlink:to="OtherCountriesMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_NVIDIACorpMember" xlink:label="NVIDIACorpMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="NVIDIACorpMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_MicrosoftCorpMember" xlink:label="MicrosoftCorpMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="MicrosoftCorpMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_VisaIncAMember" xlink:label="VisaIncAMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="VisaIncAMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_AmazonComIncMember" xlink:label="AmazonComIncMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AmazonComIncMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:label="TaiwanSemiconductorManufacturingCoLtdADRMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="TaiwanSemiconductorManufacturingCoLtdADRMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_AlphabetIncAMember" xlink:label="AlphabetIncAMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncAMember" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_AppleIncMember" xlink:label="AppleIncMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="AppleIncMember" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_TencentHoldingsLtdMember" xlink:label="TencentHoldingsLtdMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="TencentHoldingsLtdMember" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_SchneiderElectricSEMember" xlink:label="SchneiderElectricSEMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="SchneiderElectricSEMember" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_LOrealSAMember" xlink:label="LOrealSAMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="LargestHoldingsDomain" xlink:to="LOrealSAMember" order="11.0" />
					<!--GeographicRegionDomain Only presentation and label linkbases-->			 
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IN" xlink:label="IN"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="IN" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_JP" xlink:label="JP"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="JP" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH" xlink:label="CH"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="CH" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_TW" xlink:label="TW"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="TW" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB" xlink:label="GB"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="GB" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="US"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="US" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CN" xlink:label="CN"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="CN" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FR" xlink:label="FR"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="FR" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA" xlink:label="CA"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="GeographicRegionDomain" xlink:to="CA" order="10.0" />
					<!--IndustrySectorDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>	
					<!--CreditQualityDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>	
					<link:loc xlink:type="locator" xlink:href="#mstviii_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="NotRatedMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_MoneyMarketFundsQualityMember" xlink:label="MoneyMarketFundsQualityMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="MoneyMarketFundsQualityMember" order="3.0" />
					<!--ExternalCreditRatingFitchMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingFitchMember" xlink:label="ExternalCreditRatingFitchMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingFitchMember" xbrldt:usable="false" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchDRatingMember" xlink:label="FitchDRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchDRatingMember" order="1.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchCCCRatingMember" xlink:label="FitchCCCRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchCCCRatingMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBBRatingMember" xlink:label="FitchBBRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchBBRatingMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBRatingMember" xlink:label="FitchBRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchBRatingMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchAARatingMember" xlink:label="FitchAARatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchAARatingMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchARatingMember" xlink:label="FitchARatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchARatingMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBBBRatingMember" xlink:label="FitchBBBRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingFitchMember" xlink:to="FitchBBBRatingMember" order="7.0" />
					<!--ExternalCreditRatingMoodysMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingMoodysMember" xlink:label="ExternalCreditRatingMoodysMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingMoodysMember" xbrldt:usable="false" order="2.1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MoodysAaaRatingMember" xlink:label="MoodysAaaRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingMoodysMember" xlink:to="MoodysAaaRatingMember" order="1.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MoodysCRatingMember" xlink:label="MoodysCRatingMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ExternalCreditRatingMoodysMember" xlink:to="MoodysCRatingMember" order="2.0" />
					<!--ExternalCreditRatingStandardPoorsMember Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ExternalCreditRatingStandardPoorsMember" xlink:label="ExternalCreditRatingStandardPoorsMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="ExternalCreditRatingStandardPoorsMember" xbrldt:usable="false" order="3.1"/>
					<!--CreditRatingAMBestDomain Only presentation and label linkbases-->	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_CreditRatingAMBestDomain" xlink:label="CreditRatingAMBestDomain"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="CreditQualityDomain" xlink:to="CreditRatingAMBestDomain" xbrldt:usable="false" order="4.1"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportLineGraphDetails">            
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006707Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006708Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006709Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006710Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000200511Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000126358Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006698Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006705Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006706Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006699Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006700Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006701Member" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006703Member" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006697Member" order="15.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:presentationLink>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ShareholderReportAverageAnnualReturnDetails">            
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006707Member" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006708Member" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006709Member" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006710Member" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000200511Member" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000126358Member" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006698Member" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006705Member" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006706Member" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006699Member" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006700Member" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006701Member" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006703Member" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="ShareClassDomain" xlink:to="C000006697Member" order="15.0" />
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:presentationLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_ShareClassDomain" xlink:label="ShareClassDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006707Member" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006708Member" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006709Member" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006710Member" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000200511Member" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000126358Member" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006698Member" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006705Member" order="8.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006706Member" order="9.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006699Member" order="10.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006700Member" order="11.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006701Member" order="12.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006703Member" order="13.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="ShareClassDomain" xlink:to="C000006697Member" order="14.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other1CategoryOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory1Domain" xlink:label="OtherCategory1Domain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_OtherCountriesMember" xlink:label="OtherCountriesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="OtherCategory1Domain" xlink:to="OtherCountriesMember" order="1.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/Other2CategoryOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_OtherCategory2Domain" xlink:label="OtherCategory2Domain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/LargestHoldingOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_LargestHoldingsDomain" xlink:label="LargestHoldingsDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_NVIDIACorpMember" xlink:label="NVIDIACorpMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="NVIDIACorpMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_MicrosoftCorpMember" xlink:label="MicrosoftCorpMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="MicrosoftCorpMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_VisaIncAMember" xlink:label="VisaIncAMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="VisaIncAMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AmazonComIncMember" xlink:label="AmazonComIncMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AmazonComIncMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:label="TaiwanSemiconductorManufacturingCoLtdADRMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="TaiwanSemiconductorManufacturingCoLtdADRMember" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AlphabetIncAMember" xlink:label="AlphabetIncAMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AlphabetIncAMember" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AppleIncMember" xlink:label="AppleIncMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="AppleIncMember" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_TencentHoldingsLtdMember" xlink:label="TencentHoldingsLtdMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="TencentHoldingsLtdMember" order="8.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_SchneiderElectricSEMember" xlink:label="SchneiderElectricSEMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="SchneiderElectricSEMember" order="9.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_LOrealSAMember" xlink:label="LOrealSAMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="LargestHoldingsDomain" xlink:to="LOrealSAMember" order="10.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/SalesLoadOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_WithSalesLoadMember" xlink:label="WithSalesLoadMember"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="InvestmentTypeCategorizationMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="MoneyMarketFundsMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="MoneyMarketFundsMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMember" xlink:label="EquityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="EquityMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="USGovernmentDebtSecuritiesMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="FixedIncomeSecuritiesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="FixedIncomeSecuritiesMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_FederalAgenciesMember" xlink:label="FederalAgenciesMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="InvestmentTypeCategorizationMember" xlink:to="FederalAgenciesMember" order="5.0"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/BroadBasedIndexOnly">               
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_BroadBasedIndexDomain" xlink:label="BroadBasedIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/AdditionalIndexOnly">              
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_AdditionalIndexDomain" xlink:label="AdditionalIndexDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/MaturityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_MaturityDomain" xlink:label="MaturityDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/IndustrySectorOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_IndustrySectorDomain" xlink:label="IndustrySectorDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/CreditQualityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_CreditQualityDomain" xlink:label="CreditQualityDomain"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="NotRatedMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_MoneyMarketFundsQualityMember" xlink:label="MoneyMarketFundsQualityMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="CreditQualityDomain" xlink:to="MoneyMarketFundsQualityMember" order="2.0"/>
				</link:definitionLink>
				<!--GeographicRegionOnly use only for STPR-->
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/oef/role/GeographicRegionOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/oef/2025/oef-2025.xsd#oef_GeographicRegionDomain" xlink:label="GeographicRegionDomain"/>
				</link:definitionLink>
				<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">               
					<link:loc xlink:type="locator" xlink:href="#mstviii_NotRatedMember" xlink:label="NotRatedMember"/>
					<link:label xlink:type="resource" xlink:label="label_NotRatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Not Rated [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotRatedMember" xlink:to="label_NotRatedMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_MoneyMarketFundsQualityMember" xlink:label="MoneyMarketFundsQualityMember"/>
					<link:label xlink:type="resource" xlink:label="label_MoneyMarketFundsQualityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Money Market Funds Quality [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoneyMarketFundsQualityMember" xlink:to="label_MoneyMarketFundsQualityMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_IN" xlink:label="IN"/>
					<link:label xlink:type="resource" xlink:label="label_IN" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">INDIA</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IN" xlink:to="label_IN"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_JP" xlink:label="JP"/>
					<link:label xlink:type="resource" xlink:label="label_JP" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">JAPAN</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JP" xlink:to="label_JP"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CH" xlink:label="CH"/>
					<link:label xlink:type="resource" xlink:label="label_CH" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">SWITZERLAND</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CH" xlink:to="label_CH"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_TW" xlink:label="TW"/>
					<link:label xlink:type="resource" xlink:label="label_TW" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TAIWAN</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TW" xlink:to="label_TW"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB" xlink:label="GB"/>
					<link:label xlink:type="resource" xlink:label="label_GB" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">UNITED KINGDOM</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GB" xlink:to="label_GB"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="US"/>
					<link:label xlink:type="resource" xlink:label="label_US" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">UNITED STATES</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="US" xlink:to="label_US"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CN" xlink:label="CN"/>
					<link:label xlink:type="resource" xlink:label="label_CN" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">CHINA</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CN" xlink:to="label_CN"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_FR" xlink:label="FR"/>
					<link:label xlink:type="resource" xlink:label="label_FR" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">FRANCE</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FR" xlink:to="label_FR"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA" xlink:label="CA"/>
					<link:label xlink:type="resource" xlink:label="label_CA" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">CANADA</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CA" xlink:to="label_CA"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="MoneyMarketFundsMember"/>
					<link:label xlink:type="resource" xlink:label="label_MoneyMarketFundsMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Money Market Funds [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoneyMarketFundsMember" xlink:to="label_MoneyMarketFundsMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityMember" xlink:label="EquityMember"/>
					<link:label xlink:type="resource" xlink:label="label_EquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Equity [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMember" xlink:to="label_EquityMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_USGovernmentDebtSecuritiesMember" xlink:label="USGovernmentDebtSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_USGovernmentDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">US Government Debt Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USGovernmentDebtSecuritiesMember" xlink:to="label_USGovernmentDebtSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="FixedIncomeSecuritiesMember"/>
					<link:label xlink:type="resource" xlink:label="label_FixedIncomeSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fixed Income Securities [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FixedIncomeSecuritiesMember" xlink:to="label_FixedIncomeSecuritiesMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_FederalAgenciesMember" xlink:label="FederalAgenciesMember"/>
					<link:label xlink:type="resource" xlink:label="label_FederalAgenciesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Federal Agencies [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FederalAgenciesMember" xlink:to="label_FederalAgenciesMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_NVIDIACorpMember" xlink:label="NVIDIACorpMember"/>
					<link:label xlink:type="resource" xlink:label="label_NVIDIACorpMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">NVIDIA Corp [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NVIDIACorpMember" xlink:to="label_NVIDIACorpMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_MicrosoftCorpMember" xlink:label="MicrosoftCorpMember"/>
					<link:label xlink:type="resource" xlink:label="label_MicrosoftCorpMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Microsoft Corp [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MicrosoftCorpMember" xlink:to="label_MicrosoftCorpMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_VisaIncAMember" xlink:label="VisaIncAMember"/>
					<link:label xlink:type="resource" xlink:label="label_VisaIncAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Visa Inc A [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VisaIncAMember" xlink:to="label_VisaIncAMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AmazonComIncMember" xlink:label="AmazonComIncMember"/>
					<link:label xlink:type="resource" xlink:label="label_AmazonComIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Amazon com Inc [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmazonComIncMember" xlink:to="label_AmazonComIncMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:label="TaiwanSemiconductorManufacturingCoLtdADRMember"/>
					<link:label xlink:type="resource" xlink:label="label_TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Taiwan Semiconductor Manufacturing Co Ltd ADR [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:to="label_TaiwanSemiconductorManufacturingCoLtdADRMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AlphabetIncAMember" xlink:label="AlphabetIncAMember"/>
					<link:label xlink:type="resource" xlink:label="label_AlphabetIncAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Alphabet Inc A [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlphabetIncAMember" xlink:to="label_AlphabetIncAMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_AppleIncMember" xlink:label="AppleIncMember"/>
					<link:label xlink:type="resource" xlink:label="label_AppleIncMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Apple Inc [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AppleIncMember" xlink:to="label_AppleIncMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_TencentHoldingsLtdMember" xlink:label="TencentHoldingsLtdMember"/>
					<link:label xlink:type="resource" xlink:label="label_TencentHoldingsLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Tencent Holdings Ltd [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TencentHoldingsLtdMember" xlink:to="label_TencentHoldingsLtdMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_SchneiderElectricSEMember" xlink:label="SchneiderElectricSEMember"/>
					<link:label xlink:type="resource" xlink:label="label_SchneiderElectricSEMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Schneider Electric SE [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SchneiderElectricSEMember" xlink:to="label_SchneiderElectricSEMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_LOrealSAMember" xlink:label="LOrealSAMember"/>
					<link:label xlink:type="resource" xlink:label="label_LOrealSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">L Oreal S A [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LOrealSAMember" xlink:to="label_LOrealSAMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_OtherCountriesMember" xlink:label="OtherCountriesMember"/>
					<link:label xlink:type="resource" xlink:label="label_OtherCountriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Other Countries [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCountriesMember" xlink:to="label_OtherCountriesMember"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006707Member" xlink:label="C000006707Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006707Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006707 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006707Member" xlink:to="label_C000006707Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006707Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class A</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006707Member" xlink:to="label_C000006707Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006708Member" xlink:label="C000006708Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006708Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006708 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006708Member" xlink:to="label_C000006708Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006708Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class B</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006708Member" xlink:to="label_C000006708Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006709Member" xlink:label="C000006709Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006709Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006709 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006709Member" xlink:to="label_C000006709Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006709Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class C</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006709Member" xlink:to="label_C000006709Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006710Member" xlink:label="C000006710Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006710Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006710 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006710Member" xlink:to="label_C000006710Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006710Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class I</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006710Member" xlink:to="label_C000006710Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000200511Member" xlink:label="C000200511Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000200511Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000200511 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000200511Member" xlink:to="label_C000200511Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000200511Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R6</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000200511Member" xlink:to="label_C000200511Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000126358Member" xlink:label="C000126358Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000126358Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000126358 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000126358Member" xlink:to="label_C000126358Member"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006698Member" xlink:label="C000006698Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006698Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006698 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006698Member" xlink:to="label_C000006698Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006698Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R4</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006698Member" xlink:to="label_C000006698Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006705Member" xlink:label="C000006705Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006705Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006705 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006705Member" xlink:to="label_C000006705Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006705Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R2</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006705Member" xlink:to="label_C000006705Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006706Member" xlink:label="C000006706Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006706Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006706 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006706Member" xlink:to="label_C000006706Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006706Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R3</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006706Member" xlink:to="label_C000006706Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006699Member" xlink:label="C000006699Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006699Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006699 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006699Member" xlink:to="label_C000006699Member"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006700Member" xlink:label="C000006700Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006700Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006700 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006700Member" xlink:to="label_C000006700Member"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006701Member" xlink:label="C000006701Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006701Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006701 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006701Member" xlink:to="label_C000006701Member"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006703Member" xlink:label="C000006703Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006703Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006703 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006703Member" xlink:to="label_C000006703Member"/>
										<link:label xlink:type="resource" xlink:label="label_C000006703Member_2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Class R1</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006703Member" xlink:to="label_C000006703Member_2"/>
					<link:loc xlink:type="locator" xlink:href="#mstviii_C000006697Member" xlink:label="C000006697Member"/>
					<link:label xlink:type="resource" xlink:label="label_C000006697Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000006697 [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000006697Member" xlink:to="label_C000006697Member"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MoodysAaaRatingMember" xlink:label="MoodysAaaRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_MoodysAaaRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Moody&apos;s, Aaa Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoodysAaaRatingMember" xlink:to="label_MoodysAaaRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MoodysCRatingMember" xlink:label="MoodysCRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_MoodysCRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Moody&apos;s, C Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MoodysCRatingMember" xlink:to="label_MoodysCRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchDRatingMember" xlink:label="FitchDRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchDRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, D Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchDRatingMember" xlink:to="label_FitchDRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchCCCRatingMember" xlink:label="FitchCCCRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchCCCRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, CCC Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchCCCRatingMember" xlink:to="label_FitchCCCRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBBRatingMember" xlink:label="FitchBBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchBBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, BB Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchBBRatingMember" xlink:to="label_FitchBBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBRatingMember" xlink:label="FitchBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, B Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchBRatingMember" xlink:to="label_FitchBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchAARatingMember" xlink:label="FitchAARatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchAARatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, AA Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchAARatingMember" xlink:to="label_FitchAARatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchARatingMember" xlink:label="FitchARatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchARatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, A Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchARatingMember" xlink:to="label_FitchARatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_FitchBBBRatingMember" xlink:label="FitchBBBRatingMember"/>
					<link:label xlink:type="resource" xlink:label="label_FitchBBBRatingMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Fitch, BBB Rating [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FitchBBBRatingMember" xlink:to="label_FitchBBBRatingMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentTypeAxis" xlink:label="InvestmentTypeAxis"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Type [Axis]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentTypeAxis" xlink:to="label_InvestmentTypeAxis" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="AssetsNet"/>
					<link:label xlink:type="resource" xlink:label="label_AssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Net Assets</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNet" xlink:to="label_AssetsNet" priority="1"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="InvestmentCompanyPortfolioTurnover"/>
					<link:label xlink:type="resource" xlink:label="label_InvestmentCompanyPortfolioTurnover" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Investment Company Portfolio Turnover</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentCompanyPortfolioTurnover" xlink:to="label_InvestmentCompanyPortfolioTurnover" priority="1"/>                
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag"/>
					<link:label xlink:type="resource" xlink:label="label_NoTradingSymbolFlag" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">No Trading Symbol Flag</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="label_NoTradingSymbolFlag" priority="1"/>		
				</link:labelLink>
			</link:linkbase>
		</appinfo>
	</annotation>   
	<element name="NotRatedMember" id="mstviii_NotRatedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MoneyMarketFundsQualityMember" id="mstviii_MoneyMarketFundsQualityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="FederalAgenciesMember" id="mstviii_FederalAgenciesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="NVIDIACorpMember" id="mstviii_NVIDIACorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MicrosoftCorpMember" id="mstviii_MicrosoftCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="VisaIncAMember" id="mstviii_VisaIncAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="AmazonComIncMember" id="mstviii_AmazonComIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="TaiwanSemiconductorManufacturingCoLtdADRMember" id="mstviii_TaiwanSemiconductorManufacturingCoLtdADRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="AlphabetIncAMember" id="mstviii_AlphabetIncAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="AppleIncMember" id="mstviii_AppleIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="TencentHoldingsLtdMember" id="mstviii_TencentHoldingsLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="SchneiderElectricSEMember" id="mstviii_SchneiderElectricSEMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="LOrealSAMember" id="mstviii_LOrealSAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="OtherCountriesMember" id="mstviii_OtherCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006707Member" id="mstviii_C000006707Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006708Member" id="mstviii_C000006708Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006709Member" id="mstviii_C000006709Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006710Member" id="mstviii_C000006710Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000200511Member" id="mstviii_C000200511Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000126358Member" id="mstviii_C000126358Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006698Member" id="mstviii_C000006698Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006705Member" id="mstviii_C000006705Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006706Member" id="mstviii_C000006706Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006699Member" id="mstviii_C000006699Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006700Member" id="mstviii_C000006700Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006701Member" id="mstviii_C000006701Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006703Member" id="mstviii_C000006703Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="C000006697Member" id="mstviii_C000006697Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</schema>
