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  <xsd:element name="AssetAcquisitionTable" id="ipsc_AssetAcquisitionTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AmendmentToCommitmentAgreementMember" id="ipsc_AmendmentToCommitmentAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentOfConsiderationAtClosing" id="ipsc_PaymentOfConsiderationAtClosing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ConsiderationDueUponAchievementOfCertainDevelopmentalMilestone" id="ipsc_ConsiderationDueUponAchievementOfCertainDevelopmentalMilestone" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TermOfRemainingConsiderationDue" id="ipsc_TermOfRemainingConsiderationDue" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionLineItems" id="ipsc_AssetAcquisitionLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionAbstract" id="ipsc_AssetAcquisitionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionTableTextBlock" id="ipsc_AssetAcquisitionTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmpiricaAgreementMember" id="ipsc_EmpiricaAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionAxis" id="ipsc_AssetAcquisitionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionConsiderationTransferred" id="ipsc_AssetAcquisitionConsiderationTransferred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AccruedCompensationExpenseCurrent" id="ipsc_AccruedCompensationExpenseCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AssetAcquisitionConsiderationTransferredAbstract" id="ipsc_AssetAcquisitionConsiderationTransferredAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="ipsc_AssetAcquisitionConsiderationTransferredCash" name="AssetAcquisitionConsiderationTransferredCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="AssetAcquisitionTransactionCostOfAcquisition" id="ipsc_AssetAcquisitionTransactionCostOfAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TotalCostAssetAcquisition" id="ipsc_TotalCostAssetAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PrepaidExpenseAndOtherCurrentAssetsTextBlock" id="ipsc_PrepaidExpenseAndOtherCurrentAssetsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PrepaidAndOtherCurrentAssetsDisclosureTableTextBlock" id="ipsc_PrepaidAndOtherCurrentAssetsDisclosureTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PrepaidResearchAndDevelopment" id="ipsc_PrepaidResearchAndDevelopment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PrepaidSoftwareLicensesAndOther" id="ipsc_PrepaidSoftwareLicensesAndOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PrepaidMiscellaneousReceivables" id="ipsc_PrepaidMiscellaneousReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="PrepaidWarranties" id="ipsc_PrepaidWarranties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LabEquipmentMember" id="ipsc_LabEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SubscriptionReceivable" id="ipsc_SubscriptionReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DepositLiabilityNoncurrent" id="ipsc_DepositLiabilityNoncurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="NonCumulativeConvertiblePreferredStockSeriesMember" id="ipsc_NonCumulativeConvertiblePreferredStockSeriesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCumulativeConvertiblePreferredStockSeriesBMember" id="ipsc_NonCumulativeConvertiblePreferredStockSeriesBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonCumulativeConvertiblePreferredStockSeriesCMember" id="ipsc_NonCumulativeConvertiblePreferredStockSeriesCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" id="ipsc_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetAssetsContributedResultingFromMerger" id="ipsc_NetAssetsContributedResultingFromMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodValueVestingOfEarlyExerciseStockOptions" id="ipsc_StockIssuedDuringPeriodValueVestingOfEarlyExerciseStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="StockIssuedDuringPeriodSharesVestingOfEarlyExerciseStockOptions" id="ipsc_StockIssuedDuringPeriodSharesVestingOfEarlyExerciseStockOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredOfferingCostsAccruedAndUnpaid" id="ipsc_DeferredOfferingCostsAccruedAndUnpaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RelatedPartyTransactionNumberOfRelatedParties" id="ipsc_RelatedPartyTransactionNumberOfRelatedParties" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfSupplementalInformationRelatedToLeasesTableTextBlock" id="ipsc_ScheduleOfSupplementalInformationRelatedToLeasesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashContributedResultingFromMerger" id="ipsc_CashContributedResultingFromMerger" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SharesRepurchasedPricePerShare" id="ipsc_SharesRepurchasedPricePerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="EarlyExercisedStockOptionsSubjectToFutureVestingMember" id="ipsc_EarlyExercisedStockOptionsSubjectToFutureVestingMember" type="nonnum: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 name="AssetAcquisitionTextBlock" id="ipsc_AssetAcquisitionTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetAcquisitionDomain" id="ipsc_AssetAcquisitionDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PriorCenturysAssetsMember" id="ipsc_PriorCenturysAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="ipsc_ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases" name="ScheduleOfSupplementalBalanceSheetInformationRelatedToLeases" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_ScheduleOfSupplementalCashFlowInformationRelatedToLeases" name="ScheduleOfSupplementalCashFlowInformationRelatedToLeases" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_WriteOffOfInProcessResearchAndDevelopmentAsset" name="WriteOffOfInProcessResearchAndDevelopmentAsset" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_CashAndCashEquivalentsShortAndLongTermInvestmens" name="CashAndCashEquivalentsShortAndLongTermInvestmens" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_SaleOfStockUnderwrittingDiscountsAndCommissions" name="SaleOfStockUnderwrittingDiscountsAndCommissions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_IncentivePlan2021Member" name="IncentivePlan2021Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_EmployeeStockPurchasePlan2021Member" name="EmployeeStockPurchasePlan2021Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_NonCashOperatingLeaseExpense" name="NonCashOperatingLeaseExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_CommonStockSharesIssuedAndOutstanding" name="CommonStockSharesIssuedAndOutstanding" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="ipsc_CommonStockSharesLegallyOutstanding" name="CommonStockSharesLegallyOutstanding" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
