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  <xsd:element name="PreferredStockExcludingSeriesaAndSeriesa1NonVotingConvertiblePreferredStockMember" id="dwtx_PreferredStockExcludingSeriesaAndSeriesa1NonVotingConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Seriesa1NonVotingConvertiblePreferredStockMember" id="dwtx_Seriesa1NonVotingConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DebtConversionAccruedInterestOnDebtAmount" id="dwtx_DebtConversionAccruedInterestOnDebtAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TemporaryEquityIssuanceOfDividendsPaidInKind" id="dwtx_TemporaryEquityIssuanceOfDividendsPaidInKind" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TemporaryEquitySharesIssuedDividendsPaidInKind" id="dwtx_TemporaryEquitySharesIssuedDividendsPaidInKind" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="VestingOfOptionsEntirelyInSingleTrancheMember" id="dwtx_VestingOfOptionsEntirelyInSingleTrancheMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="VestingOfOptionsInTwoTranchesMember" id="dwtx_VestingOfOptionsInTwoTranchesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfMonthlyInstallments" id="dwtx_NumberOfMonthlyInstallments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="Seriesa2NonVotingConvertiblePreferredStockMember" id="dwtx_Seriesa2NonVotingConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeriesA2ConvertiblePreferredStockMember" id="dwtx_SeriesA2ConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SeriesaNonVotingConvertiblePreferredStockMember" id="dwtx_SeriesaNonVotingConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PreferredStockExcludingSeriesaSeriesa1AndSeriesa2NonVotingConvertiblePreferredStockMember" id="dwtx_PreferredStockExcludingSeriesaSeriesa1AndSeriesa2NonVotingConvertiblePreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrepaidProfessionalFeesCurrent" id="dwtx_PrepaidProfessionalFeesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SerpinLicenseAgreementMember" id="dwtx_SerpinLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SerpinPharmaMember" id="dwtx_SerpinPharmaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RejuvenationLabsMember" id="dwtx_RejuvenationLabsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AssetsAcquisitionConsiderationTransferredTableTextBlock" id="dwtx_AssetsAcquisitionConsiderationTransferredTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LicenseAgreementForSp16DevelopmentMember" id="dwtx_LicenseAgreementForSp16DevelopmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReclassificationsOfTemporaryToPermanentEquityNumberOfShares" id="dwtx_ReclassificationsOfTemporaryToPermanentEquityNumberOfShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RepresentativeWarrantsMember" id="dwtx_RepresentativeWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AtMarketOfferingMember" id="dwtx_AtMarketOfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="January2026OfferingMember" id="dwtx_January2026OfferingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PreFundedWarrantsMember" id="dwtx_PreFundedWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassOfWarrantOrRightIssuePrice" id="dwtx_ClassOfWarrantOrRightIssuePrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CommonStockWarrantsMember" id="dwtx_CommonStockWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumNumberOfSharesRegisteredForResale" id="dwtx_MaximumNumberOfSharesRegisteredForResale" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PrepaidFranchiseTaxesCurrent" id="dwtx_PrepaidFranchiseTaxesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AmendedAndRestatedEquityIncentivePlan2020Member" id="dwtx_AmendedAndRestatedEquityIncentivePlan2020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecondAmendedAndRestatedEquityIncentivePlan2020Member" id="dwtx_SecondAmendedAndRestatedEquityIncentivePlan2020Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfWarrantsIssuedAlongWithEachCommonStockOrWarrants" id="dwtx_NumberOfWarrantsIssuedAlongWithEachCommonStockOrWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AdditionalGrossProceedsReceivableFromWarrantExercises" id="dwtx_AdditionalGrossProceedsReceivableFromWarrantExercises" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="StockIssuedDuringPeriodValueWarrantsExercised" id="dwtx_StockIssuedDuringPeriodValueWarrantsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="OperatingLeaseSubleaseBasicRentPerSquareFeet" id="dwtx_OperatingLeaseSubleaseBasicRentPerSquareFeet" type="srt-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLeaseSubleaseSubtenantShareOfOperatingCostsAndTaxesPerSquareFeet" id="dwtx_OperatingLeaseSubleaseSubtenantShareOfOperatingCostsAndTaxesPerSquareFeet" type="srt-types:perUnitItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OperatingLeaseSubleaseRevenueSecurityDeposit" id="dwtx_OperatingLeaseSubleaseRevenueSecurityDeposit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ContingentValueRightsLiability" id="dwtx_ContingentValueRightsLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LesseeOperatingLeaseSubLeaseFutureMinimumPaymentsReceivableTableTextBlock" id="dwtx_LesseeOperatingLeaseSubLeaseFutureMinimumPaymentsReceivableTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WarrantsAndRightsNoteDisclosureTextBlock" id="dwtx_WarrantsAndRightsNoteDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WarrantsExercisablePeriod" id="dwtx_WarrantsExercisablePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightWeightedAverageRemainingContractualTermGranted" id="dwtx_ClassOfWarrantOrRightWeightedAverageRemainingContractualTermGranted" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightWeightedAverageRemainingContractualTermOutstanding" id="dwtx_ClassOfWarrantOrRightWeightedAverageRemainingContractualTermOutstanding" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ClassOfWarrantOrRightWeightedAverageRemainingContractualTermExercisable" id="dwtx_ClassOfWarrantOrRightWeightedAverageRemainingContractualTermExercisable" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="StockIssuedDuringPeriodSharesExerciseOfWarrants" id="dwtx_StockIssuedDuringPeriodSharesExerciseOfWarrants" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfCommonStockWarrantsTableTextBlock" id="dwtx_ScheduleOfCommonStockWarrantsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UnderwriterWarrantsMember" id="dwtx_UnderwriterWarrantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LesseeOperatingLeaseSubleaseNumberOfLeaseComponents" id="dwtx_LesseeOperatingLeaseSubleaseNumberOfLeaseComponents" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WarrantBeneficialOwnershipLimitPercentage" id="dwtx_WarrantBeneficialOwnershipLimitPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="StockOptionsIssuedInJune2026Member" id="dwtx_StockOptionsIssuedInJune2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StockOptionsIssuedBeforeJune2026Member" id="dwtx_StockOptionsIssuedBeforeJune2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfUpfrontPaymentEntitledByEntity" id="dwtx_PercentageOfUpfrontPaymentEntitledByEntity" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PridcorTherapeuticsLlcLicenseAgreementMember" id="dwtx_PridcorTherapeuticsLlcLicenseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LicenseAgreementSeriesPaymentAndEscrowBreakMinimum" id="dwtx_LicenseAgreementSeriesPaymentAndEscrowBreakMinimum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LicenseAgreementPotentialExitConsideration" id="dwtx_LicenseAgreementPotentialExitConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares" id="dwtx_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IntangibleAssetExcludingGoodwillIndefiniteLivedImpairmentLossNetOfDeferredTaxLiability" id="dwtx_IntangibleAssetExcludingGoodwillIndefiniteLivedImpairmentLossNetOfDeferredTaxLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
