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  <xsd:element name="ScheduleOfSupplementalInformationRelatedToLeasesTableTextBlock" id="ipsc_ScheduleOfSupplementalInformationRelatedToLeasesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarlyExercisedStockOptionsSubjectToFutureVestingMember" id="ipsc_EarlyExercisedStockOptionsSubjectToFutureVestingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LesseeTenantIncentiveReceivable" id="ipsc_LesseeTenantIncentiveReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="ipsc_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases" name="ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="ipsc_ScheduleOfSupplementalCashFlowInformationRelatedToLeases" name="ScheduleOfSupplementalCashFlowInformationRelatedToLeases" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="ipsc_IncentivePlan2021Member" name="IncentivePlan2021Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="ipsc_EmployeeStockPurchasePlan2021Member" name="EmployeeStockPurchasePlan2021Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="ipsc_NonCashOperatingLeaseExpense" name="NonCashOperatingLeaseExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <xsd:element id="ipsc_CommonStockSharesIssuedAndOutstanding" name="CommonStockSharesIssuedAndOutstanding" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="ipsc_CommonStockSharesLegallyOutstanding" name="CommonStockSharesLegallyOutstanding" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element id="ipsc_CashAndCashEquivalentsShortAndLongTermInvestments" name="CashAndCashEquivalentsShortAndLongTermInvestments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <xsd:element name="CollaborationAgreementUpfrontCashPaymentReceivable" id="ipsc_CollaborationAgreementUpfrontCashPaymentReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborationAgreementNumberOfCollaborationPrograms" id="ipsc_CollaborationAgreementNumberOfCollaborationPrograms" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CollaborationAgreementAdditionalNumberOfCollaborationPrograms" id="ipsc_CollaborationAgreementAdditionalNumberOfCollaborationPrograms" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CollaborationAgreementMilestonePaymentsReceivableUponAchievementOfCertainDevelopmentAndRegulatoryMilestones" id="ipsc_CollaborationAgreementMilestonePaymentsReceivableUponAchievementOfCertainDevelopmentAndRegulatoryMilestones" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborationAgreementSalesBasedMilestonePaymentsReceivable" id="ipsc_CollaborationAgreementSalesBasedMilestonePaymentsReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TerminationOfRoyaltyTerm" id="ipsc_TerminationOfRoyaltyTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BristolMyersSquibbCompanyCollaborationAgreementMember" id="ipsc_BristolMyersSquibbCompanyCollaborationAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationPermanentDifferencesPercent" id="ipsc_EffectiveIncomeTaxRateReconciliationPermanentDifferencesPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DeferredTaxLiabilityRightOfUseAsset" id="ipsc_DeferredTaxLiabilityRightOfUseAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DeferredTaxAssetsLeaseLiability" id="ipsc_DeferredTaxAssetsLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtInstrumentEndOfTermFee" id="ipsc_DebtInstrumentEndOfTermFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborativeArrangementMilestonePaymentsPayable" id="ipsc_CollaborativeArrangementMilestonePaymentsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StateJurisdictionMember" id="ipsc_StateJurisdictionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LocalJurisdictionMember" id="ipsc_LocalJurisdictionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfCommitments" id="ipsc_NumberOfCommitments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OptionRightsMember" id="ipsc_OptionRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ResearchAndDevelopmentServicesMember" id="ipsc_ResearchAndDevelopmentServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TransactionPriceMember" id="ipsc_TransactionPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CumulativeCollaborationRevenueRecognizedMember" id="ipsc_CumulativeCollaborationRevenueRecognizedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TotalTransactionPriceToIdentifiedPerformanceObligationsTableTextBlock" id="ipsc_TotalTransactionPriceToIdentifiedPerformanceObligationsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CommonStockPremiumValuePerShare" id="ipsc_CommonStockPremiumValuePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="CommonStockValuePremium" id="ipsc_CommonStockValuePremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="FairValueAssetsLevel2ToLevel1TransfersAmountOne" id="ipsc_FairValueAssetsLevel2ToLevel1TransfersAmountOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FairValueAssetsLevel1ToLevel2TransfersAmountOne" id="ipsc_FairValueAssetsLevel1ToLevel2TransfersAmountOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AccruedClinicalTrialRelatedCosts" id="ipsc_AccruedClinicalTrialRelatedCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodToCollaborationPartner" id="ipsc_StockIssuedDuringPeriodToCollaborationPartner" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodToCollaborationPartnerShares" id="ipsc_StockIssuedDuringPeriodToCollaborationPartnerShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AmendmentFees" id="ipsc_AmendmentFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredTaxAssetsAmortization" id="ipsc_DeferredTaxAssetsAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesAuthorizedAsPercentOfOutstandingShares" id="ipsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardAdditionalSharesAuthorizedAsPercentOfOutstandingShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseInCommonStockCapitalSharesReservedForFutureIssuance" id="ipsc_IncreaseInCommonStockCapitalSharesReservedForFutureIssuance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedPaymentArrangementSharesReservedForIssuanceTableTextBlock" id="ipsc_ShareBasedPaymentArrangementSharesReservedForIssuanceTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShareBasedPaymentArrangementSharesAvailableForGrantTableTextBlock" id="ipsc_ShareBasedPaymentArrangementSharesAvailableForGrantTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EmployeeStockOptionsAndRestrictedStockUnitsMember" id="ipsc_EmployeeStockOptionsAndRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstanding" id="ipsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsOutstanding" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsForfeituresInPeriod" id="ipsc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndEquityInstrumentsOtherThanOptionsForfeituresInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="InProcessResearchAndDevelopmentExpense" id="ipsc_InProcessResearchAndDevelopmentExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DebtInstrumentPrepaymentCharge" id="ipsc_DebtInstrumentPrepaymentCharge" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PercentageOfPrepaymentChargeOnOriginalPrincipalAmountOfDebt" id="ipsc_PercentageOfPrepaymentChargeOnOriginalPrincipalAmountOfDebt" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PerformanceBasedRestrictedStockUnitsMember" id="ipsc_PerformanceBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SecurityDepositsOnLeases" id="ipsc_SecurityDepositsOnLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CollaborationAgreementUpfrontPaymentMade" id="ipsc_CollaborationAgreementUpfrontPaymentMade" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="InProcessResearchAndDevelopmentExpenseMember" id="ipsc_InProcessResearchAndDevelopmentExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MilestoneFees" id="ipsc_MilestoneFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="SalesAgreementMember" id="ipsc_SalesAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="StockIssuedDuringPeriodValueRestrictedStockUnits" id="ipsc_StockIssuedDuringPeriodValueRestrictedStockUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="StockIssuedDuringPeriodSharesRestrictedStockUnits" id="ipsc_StockIssuedDuringPeriodSharesRestrictedStockUnits" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NonoperatingIncomeExpenseOther" id="ipsc_NonoperatingIncomeExpenseOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="EffectiveIncomeTaxRateReconciliationTaxCreditPercent" id="ipsc_EffectiveIncomeTaxRateReconciliationTaxCreditPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ScheduleOfStockBasedCompensationExpenseRecordedUnderAsc718TableTextBlock" id="ipsc_ScheduleOfStockBasedCompensationExpenseRecordedUnderAsc718TableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
</xsd:schema>
