<?xml version="1.0" encoding="US-ASCII" ?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.5a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
    <!-- Field: Doc-Info; Name: Misc; Value: 96Mps7xRiXgen8uDanwsWaOCSbP9z5Z86ekhvWBxbbl6vyEjoE2K+ymIZfCGMS0M -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:srt="http://fasb.org/srt/2026" xmlns:srt-types="http://fasb.org/srt-types/2026" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:CLCS="http://cell-source.com/20250331" elementFormDefault="qualified" targetNamespace="http://cell-source.com/20250331">
    <annotation>
      <appinfo>
        <link:roleType roleURI="http://cell-source.com/role/Cover" id="Cover">
          <link:definition>00000001 - Document - Cover</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/BalanceSheets" id="BalanceSheets">
          <link:definition>00000002 - Statement - Condensed Consolidated Balance Sheets</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
          <link:definition>00000003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/StatementsOfOperations" id="StatementsOfOperations">
          <link:definition>00000004 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/StatementsOfChangesInStockholdersDeficiency" id="StatementsOfChangesInStockholdersDeficiency">
          <link:definition>00000005 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Deficiency (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
          <link:definition>00000006 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/BusinessOrganizationNatureOfOperationsRisksAndUncertaintiesAndBasisOfPresentation" id="BusinessOrganizationNatureOfOperationsRisksAndUncertaintiesAndBasisOfPresentation">
          <link:definition>999007 - Disclosure - Business Organization, Nature of Operations, Risks and Uncertainties and Basis of Presentation</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/GoingConcernAndManagementPlans" id="GoingConcernAndManagementPlans">
          <link:definition>999008 - Disclosure - Going Concern and Management Plans</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SummaryOfSignificantAccountingPolicies" id="SummaryOfSignificantAccountingPolicies">
          <link:definition>999009 - Disclosure - Summary of Significant Accounting Policies</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/FairValue" id="FairValue">
          <link:definition>999010 - Disclosure - Fair Value</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/NotesPayable" id="NotesPayable">
          <link:definition>999011 - Disclosure - Notes Payable</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/StockholdersDeficiency" id="StockholdersDeficiency">
          <link:definition>999012 - Disclosure - Stockholders&#8217; Deficiency</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
          <link:definition>999013 - Disclosure - Related Party Transactions</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
          <link:definition>999014 - Disclosure - Commitments and Contingencies</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SegmentReporting" id="SegmentReporting">
          <link:definition>999015 - Disclosure - Segment Reporting</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SubsequentEvents" id="SubsequentEvents">
          <link:definition>999016 - Disclosure - Subsequent Events</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SummaryOfSignificantAccountingPoliciesPolicies" id="SummaryOfSignificantAccountingPoliciesPolicies">
          <link:definition>999017 - Disclosure - Summary of Significant Accounting Policies (Policies)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SummaryOfSignificantAccountingPoliciesTables" id="SummaryOfSignificantAccountingPoliciesTables">
          <link:definition>999018 - Disclosure - Summary of Significant Accounting Policies (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/FairValueTables" id="FairValueTables">
          <link:definition>999019 - Disclosure - Fair Value (Tables)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/GoingConcernAndManagementPlansDetailsNarrative" id="GoingConcernAndManagementPlansDetailsNarrative">
          <link:definition>999020 - Disclosure - Going Concern and Management Plans (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/ScheduleOfWeightedAverageDilutiveCommonSharesAnti-dilutiveDetails" id="ScheduleOfWeightedAverageDilutiveCommonSharesAnti-dilutiveDetails">
          <link:definition>999021 - Disclosure - Schedule of Weighted Average Dilutive Common Shares Anti-dilutive (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/ScheduleOfWeightedAverageDilutiveCommonSharesAnti-dilutiveDetailsParenthetical" id="ScheduleOfWeightedAverageDilutiveCommonSharesAnti-dilutiveDetailsParenthetical">
          <link:definition>999022 - Disclosure - Schedule of Weighted Average Dilutive Common Shares Anti-dilutive (Details) (Parenthetical)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/ScheduleOfChangesInFairValueOfLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" id="ScheduleOfChangesInFairValueOfLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails">
          <link:definition>999023 - Disclosure - Schedule of Changes in Fair Value of Liabilities Measured at Fair Value on a Recurring Basis (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/ScheduleOfAssumptionsUsedForValuationOfLevel3LiabilitiesDetails" id="ScheduleOfAssumptionsUsedForValuationOfLevel3LiabilitiesDetails">
          <link:definition>999024 - Disclosure - Schedule of Assumptions Used for Valuation of Level 3 Liabilities (Details)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/FairValueDetailsNarrative" id="FairValueDetailsNarrative">
          <link:definition>999025 - Disclosure - Fair Value (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/NotesPayableDetailsNarrative" id="NotesPayableDetailsNarrative">
          <link:definition>999026 - Disclosure - Notes Payable (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/StockholdersDeficiencyDetailsNarrative" id="StockholdersDeficiencyDetailsNarrative">
          <link:definition>999027 - Disclosure - Stockholders&#8217; Deficiency (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
          <link:definition>999028 - Disclosure - Related Party Transactions (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/CommitmentsAndContingenciesDetailsNarrative" id="CommitmentsAndContingenciesDetailsNarrative">
          <link:definition>999029 - Disclosure - Commitments and Contingencies (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SegmentReportingDetailsNarrative" id="SegmentReportingDetailsNarrative">
          <link:definition>999030 - Disclosure - Segment Reporting (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/ScheduleOfConvertibleNotesPayableDetailsParenthetical" id="ScheduleOfConvertibleNotesPayableDetailsParenthetical">
          <link:definition>999031 - Disclosure - Schedule of Convertible Notes Payable (Details) (Parenthetical)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:roleType roleURI="http://cell-source.com/role/SubsequentEventsDetailsNarrative" id="SubsequentEventsDetailsNarrative">
          <link:definition>999032 - Disclosure - Subsequent Events (Details Narrative)</link:definition>
          <link:usedOn>link:presentationLink</link:usedOn>
          <link:usedOn>link:calculationLink</link:usedOn>
          <link:usedOn>link:definitionLink</link:usedOn>
        </link:roleType>
        <link:linkbaseRef xlink:type="simple" xlink:href="clcs-20250331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="clcs-20250331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="clcs-20250331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
        <link:linkbaseRef xlink:type="simple" xlink:href="clcs-20250331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Definition Links" />
      </appinfo>
    </annotation>
    <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/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
    <import namespace="http://fasb.org/us-gaap/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd" />
    <import namespace="http://fasb.org/us-types/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.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/2026" schemaLocation="https://xbrl.sec.gov/country/2026/country-2026.xsd" />
    <import namespace="http://fasb.org/srt/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd" />
    <import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd" />
    <element id="CLCS_SeriesAConvertiblePreferredStockMember" name="SeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_SeriesBConvertiblePreferredStockMember" name="SeriesBConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_SeriesCConvertiblePreferredStockMember" name="SeriesCConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NotesPayableMember" name="NotesPayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_OptionsMember" name="OptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConvertibleNotesMember" name="ConvertibleNotesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_WarrantLiabilitiesMember" name="WarrantLiabilitiesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_AccruedCompensationMember" name="AccruedCompensationMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_DerivativeLiabilityMember" name="DerivativeLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ServiceProvidersMember" name="ServiceProvidersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_OptionPricingMethodMember" name="OptionPricingMethodMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NotesAndConvertibleNotesPayableMember" name="NotesAndConvertibleNotesPayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConvertibleNotePayableMember" name="ConvertibleNotePayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NoteAmendmentAgreementOneMember" name="NoteAmendmentAgreementOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NoteholderMember" name="NoteholderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_LenderMember" name="LenderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NoteAmendmentAgreementTwoMember" name="NoteAmendmentAgreementTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_AdvisoryAgreementMember" name="AdvisoryAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_WarrantAmendmentAgreementsMember" name="WarrantAmendmentAgreementsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_StockOptionsMember" name="StockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConsultingServicesMember" name="ConsultingServicesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FormerDirectorMember" name="FormerDirectorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_YedaResearchAndLicenseAgreementMember" name="YedaResearchAndLicenseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_MDAndersonAgreementsMember" name="MDAndersonAgreementsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfCommonStockMember" name="IssuanceOfCommonStockMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfNotesPayableMember" name="IssuanceOfNotesPayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NoteAmendmentAgreementMember" name="NoteAmendmentAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_PrivatePlacementConvertibleNotesPayableMember" name="PrivatePlacementConvertibleNotesPayableMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_HolderMember" name="HolderMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_PrepaidExpensesResearchAndDevelopmentCurrent" name="PrepaidExpensesResearchAndDevelopmentCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_SubscriptionReceivable" name="SubscriptionReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_WarrantLiabilitiesCurrent" name="WarrantLiabilitiesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_AdjustmentsToAdditionalPaidInCapitalWarrantModificationExpense" name="AdjustmentsToAdditionalPaidInCapitalWarrantModificationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_StockIssuedDuringPeriodValueProceedsFromReceivedForSaleOfCommonStockNetOfBifurcationToDerivativeLiabilities" name="StockIssuedDuringPeriodValueProceedsFromReceivedForSaleOfCommonStockNetOfBifurcationToDerivativeLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_StockIssuedDuringPeriodValueProceedsFromReceivedForSaleOfPreferredStockNetOfBifurcationToDerivativeLiabilities" name="StockIssuedDuringPeriodValueProceedsFromReceivedForSaleOfPreferredStockNetOfBifurcationToDerivativeLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCConvertiblePreferredStockAndCommonStock" name="ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCConvertiblePreferredStockAndCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCConvertibleSharesPreferredStockAndCommonStock" name="ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCConvertibleSharesPreferredStockAndCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_StockIssuedDuringPeriodValueAccruedCompensation" name="StockIssuedDuringPeriodValueAccruedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_StockIssuedDuringPeriodSharesAccruedCompensation" name="StockIssuedDuringPeriodSharesAccruedCompensation" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_DerivativeGainLossOnDerivativeNetRelatedAndNonRelatedParty" name="DerivativeGainLossOnDerivativeNetRelatedAndNonRelatedParty" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_NoncashInterestExpenseWarrants" name="NoncashInterestExpenseWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_WarrantModificationExpense" name="WarrantModificationExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IncreaseDecreaseInPrepaidExpensesResearchAndDevelopment" name="IncreaseDecreaseInPrepaidExpensesResearchAndDevelopment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ProceedsFromIssuanceOfConvertiblePreferredStockAndWarrants" name="ProceedsFromIssuanceOfConvertiblePreferredStockAndWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ProceedsFromSubscriptionReceivable" name="ProceedsFromSubscriptionReceivable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_AccrualOfWarrantObligationsInConnectionWithIssuanceOfNotesPayable" name="AccrualOfWarrantObligationsInConnectionWithIssuanceOfNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_CommonStockIssuedInSatisfactionOfAccruedCompensation" name="CommonStockIssuedInSatisfactionOfAccruedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfWarrantsInConnectionWithIssuanceOfNotesPayable" name="IssuanceOfWarrantsInConnectionWithIssuanceOfNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_AccrualOfEarnedPreferredStockDividends" name="AccrualOfEarnedPreferredStockDividends" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCPreferredStockAndCommonStock" name="ConversionOfConvertibleNotesPayableAndAccruedInterestIntoSeriesCPreferredStockAndCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfWarrantsInConnectionWithIssuanceOfSeriesBPreferredStock" name="IssuanceOfWarrantsInConnectionWithIssuanceOfSeriesBPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfEmbeddedDerivativeLiabilitiesInConnectionWithIssuanceOfSeriesBPreferredStock" name="IssuanceOfEmbeddedDerivativeLiabilitiesInConnectionWithIssuanceOfSeriesBPreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_IssuanceOfWarrantsAndEmbeddedDerivativesInConnectionWithIssuanceOfCommonStock" name="IssuanceOfWarrantsAndEmbeddedDerivativesInConnectionWithIssuanceOfCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ReclassificationsPolicyTextBlock" name="ReclassificationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_GoingConcernAndManagementsPlansAbstract" name="GoingConcernAndManagementsPlansAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_GoingConcernAndManagementsPlansTable" name="GoingConcernAndManagementsPlansTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="CLCS_GoingConcernAndManagementsPlansLineItems" name="GoingConcernAndManagementsPlansLineItems" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfWarrantsAndConversionOption" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssuanceOfWarrantsAndConversionOption" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAccrualOfWarrantObligation" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAccrualOfWarrantObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityCommonStockIssuedInSatisfactionOfAccruedCompensation" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityCommonStockIssuedInSatisfactionOfAccruedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FairValueAbstract" name="FairValueAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_FairValueTable" name="FairValueTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="CLCS_AccruedCompensation" name="AccruedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_ShareBasedCompensationIncludedInStockholdersDeficiency" name="ShareBasedCompensationIncludedInStockholdersDeficiency" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CLCS_RelatedPartyTransactionsTable" name="RelatedPartyTransactionsTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="CLCS_AccruedResearchAndDevelopment" name="AccruedResearchAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
