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    <element id="LCTX_LiabilityClassifiedWarrantsCurrentPortion" name="LiabilityClassifiedWarrantsCurrentPortion" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LiabilityClassifiedWarrantsAndOtherLongtermLiabilities" name="LiabilityClassifiedWarrantsAndOtherLongtermLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RevenueGrants" name="RevenueGrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RoyaltiesFromProductSalesAndLicenseFees" name="RoyaltiesFromProductSalesAndLicenseFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SaleOfResearchProductsAndServices" name="SaleOfResearchProductsAndServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_EquityMethodInvestmentRealizedGainLossOnDisposalOne" name="EquityMethodInvestmentRealizedGainLossOnDisposalOne" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedLossGainOnWarrantLiability" name="UnrealizedLossGainOnWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedGainLossOnInvestmentsOne" name="UnrealizedGainLossOnInvestmentsOne" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_MarketableSecuritiesGain" name="MarketableSecuritiesGain" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_MarketableSecuritiesUnrealizedLoss" name="MarketableSecuritiesUnrealizedLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ChangeInUnrealizedGainOnWarrantLiability" name="ChangeInUnrealizedGainOnWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_WriteoffOfSecurityDeposit" name="WriteoffOfSecurityDeposit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AmortizationOfDeferredLicenseFee" name="AmortizationOfDeferredLicenseFee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ForeignCurrencyRemeasurementAndOtherGainLoss" name="ForeignCurrencyRemeasurementAndOtherGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ProceedsFromSaleOfInvestment" name="ProceedsFromSaleOfInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ProceedsFromSaleOfInvestmentOne" name="ProceedsFromSaleOfInvestmentOne" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ProceedsFromSaleOfInvestmentTwo" name="ProceedsFromSaleOfInvestmentTwo" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SecurityDepositPaidAndOther" name="SecurityDepositPaidAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_CommonSharesReceivedAndRetiredForEmployeeTaxesPaid" name="CommonSharesReceivedAndRetiredForEmployeeTaxesPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ReimbursementFromLandlordOnTenantImprovements" name="ReimbursementFromLandlordOnTenantImprovements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_PaymentsForOfferingCosts" name="PaymentsForOfferingCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RepaymentOfFinancingLeaseLiabilities" name="RepaymentOfFinancingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ProceedsFromPaycheckProtectionProgramLoan" name="ProceedsFromPaycheckProtectionProgramLoan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_PaymentsForProceedsFromSaleOfSubsidiaryWarrants" name="PaymentsForProceedsFromSaleOfSubsidiaryWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_DisclosureAccountingForCommonStockOfOncocyteAtFairValueAbstract" name="DisclosureAccountingForCommonStockOfOncocyteAtFairValueAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AccountingForCommonStockOfOncoCyteAtFairValueTextBlock" name="AccountingForCommonStockOfOncoCyteAtFairValueTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_DisclosureSaleOfSignificantOwnershipInterestInAgexToJuvenescenceLimitedAbstract" name="DisclosureSaleOfSignificantOwnershipInterestInAgexToJuvenescenceLimitedAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SaleOfSignificantOwnershipInterestTextBlock" name="SaleOfSignificantOwnershipInterestTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LiquidityPolicyTextBlock" name="LiquidityPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RecentlyIssuedAccountingPronouncementsNotYetAdoptedPolicyTextBlock" name="RecentlyIssuedAccountingPronouncementsNotYetAdoptedPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ScheduleOfValuationOfIdentifiableIntangibleAssetsAndTheirEstimatedUsefulLivesTableTextBlock" name="ScheduleOfValuationOfIdentifiableIntangibleAssetsAndTheirEstimatedUsefulLivesTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ScheduleOfShareBasedCompensationEmployeeStockOptionPurchasePlanActivityTableTextBlock" name="ScheduleOfShareBasedCompensationEmployeeStockOptionPurchasePlanActivityTableTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfCellTherapyPrograms" name="NumberOfCellTherapyPrograms" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfSharesOwned" name="NumberOfSharesOwned" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FieldOfBusinessDescription" name="FieldOfBusinessDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ObligatedCommonShares" name="ObligatedCommonShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RetainedEarningAccumulatedDeficit" name="RetainedEarningAccumulatedDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1" name="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_OwnershipPercentageDescription" name="OwnershipPercentageDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_CorrespondingLeaseLiabilities" name="CorrespondingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LeaseCumulativeEffectAdjustment" name="LeaseCumulativeEffectAdjustment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BusinessAcquisitionExchangeRatio" name="BusinessAcquisitionExchangeRatio" nillable="true" xbrli:periodType="duration" type="xbrli:pureItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpensesAndOtherAssetsCurrentAndNoncurrent" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPrepaidExpensesAndOtherAssetsCurrentAndNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLonglivedIntangibleAssetsRoyaltyContracts" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLonglivedIntangibleAssetsRoyaltyContracts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilityClassifiedWarrants" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilityClassifiedWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FiniteLivedIntangibleAssetUsefulLifeDescription" name="FiniteLivedIntangibleAssetUsefulLifeDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UpfrontPaymentReceived" name="UpfrontPaymentReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FairValueOfWarrantsPercentage" name="FairValueOfWarrantsPercentage" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ExchangeOfShares" name="ExchangeOfShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ExchangeForCash" name="ExchangeForCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_CommonStockHeldInInvestment" name="CommonStockHeldInInvestment" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FairValueOfEquityMethodInvestmentShares" name="FairValueOfEquityMethodInvestmentShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FairValueCalculationDescription" name="FairValueCalculationDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ReductionInOwnershipPercenatge" name="ReductionInOwnershipPercenatge" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedLossOnEquityMethodInvestmentsRelatedToBookCostBasis" name="UnrealizedLossOnEquityMethodInvestmentsRelatedToBookCostBasis" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfSharesRemainingForSales" name="NumberOfSharesRemainingForSales" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedGainLossOnInvestment" name="UnrealizedGainLossOnInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_IndemnityCap" name="IndemnityCap" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_InterestIncomeDebt" name="InterestIncomeDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinancingLeasesRelatedToPropertyAndEquipment" name="FinancingLeasesRelatedToPropertyAndEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_GainOnSaleOfNoncapitalizedAssets" name="GainOnSaleOfNoncapitalizedAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_GoodwillAndIntangibleAssetsByMajorClassAxis" name="GoodwillAndIntangibleAssetsByMajorClassAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="LCTX_GoodwillAndIntangibleAssetsByMajorClassDomain" name="GoodwillAndIntangibleAssetsByMajorClassDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AccumulatedAmortizationOfIntangibleAssets" name="AccumulatedAmortizationOfIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SignatureFee" name="SignatureFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_PercentageOfNonPayrollCosts" name="PercentageOfNonPayrollCosts" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_DescriptionOfTerminationPlan" name="DescriptionOfTerminationPlan" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedGainRecognizedOnWarrant" name="UnrealizedGainRecognizedOnWarrant" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_PercentageOfMarkupFeeAllocatedButNotCharged" name="PercentageOfMarkupFeeAllocatedButNotCharged" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_TermOfPayment" name="TermOfPayment" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_InterestOnUnpaidOverdueInvoice" name="InterestOnUnpaidOverdueInvoice" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UsageFee" name="UsageFee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_OffsetAgainstGeneralAndAdministrativeExpenses" name="OffsetAgainstGeneralAndAdministrativeExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_OffsetAgainstResearchAndDevelopmentExpenses" name="OffsetAgainstResearchAndDevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LeaseExpirationDate2" name="LeaseExpirationDate2" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SharesIssuedForSettlementOfWarrantsInConnectionWithMerger" name="SharesIssuedForSettlementOfWarrantsInConnectionWithMerger" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinancingRelatedFees" name="FinancingRelatedFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_StockbasedCompensationForSharesIssuedUponVestingOfRestrictedStockUnitsAttributableToPostCombinationServices" name="StockbasedCompensationForSharesIssuedUponVestingOfRestrictedStockUnitsAttributableToPostCombinationServices" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_StockbasedCompensationForSharesIssuedUponVestingOfRestrictedStockUnitsAttributableToPostCombinationServicesShares" name="StockbasedCompensationForSharesIssuedUponVestingOfRestrictedStockUnitsAttributableToPostCombinationServicesShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AdjustmentUponAdoptionOfLeasingStandard" name="AdjustmentUponAdoptionOfLeasingStandard" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SharesIssuedForSettlementOfWarrants" name="SharesIssuedForSettlementOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SharesIssuedForSettlementOfWarrantShares" name="SharesIssuedForSettlementOfWarrantShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AggregateOfferingPrice" name="AggregateOfferingPrice" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SalesCommissionPercentageOfGrossProceeds" name="SalesCommissionPercentageOfGrossProceeds" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ClassOfWarrantOrRightExercisedPeriod" name="ClassOfWarrantOrRightExercisedPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_WarrantsAndRightsOutstandingMaturityDate1" name="WarrantsAndRightsOutstandingMaturityDate1" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_WarrantsExpiringPeriodDescription" name="WarrantsExpiringPeriodDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber1" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAvailableGrantsInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAvailableGrantsInPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingRestrictedStockUnits" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingRestrictedStockUnits" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceRSU" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceRSU" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableGrantsInPeriodGross" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableGrantsInPeriodGross" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfRsusOutstandingRestrictedStockUnitsGranted" name="NumberOfRsusOutstandingRestrictedStockUnitsGranted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfRsusOutstandingRestrictedStockUnitsExercised" name="NumberOfRsusOutstandingRestrictedStockUnitsExercised" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfRsusOutstandingRestrictedStockUnitsForfeitedOrCancelled" name="NumberOfRsusOutstandingRestrictedStockUnitsForfeitedOrCancelled" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares1" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares1" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_DeferredIncomeTaxExpensBenefit" name="DeferredIncomeTaxExpensBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AssumptionOfLiabilities" name="AssumptionOfLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AssumptionsOfWarrants" name="AssumptionsOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_OperatingCashFlowsFromFinancingLeases" name="OperatingCashFlowsFromFinancingLeases" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinanceLeasePropertyAndEquipmentGross" name="FinanceLeasePropertyAndEquipmentGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinanceLeaseAccumulatedDepreciation" name="FinanceLeaseAccumulatedDepreciation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinanceLeasePropertyAndEquipmentNet" name="FinanceLeasePropertyAndEquipmentNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_FinanceLeasesLiabilityCurrent" name="FinanceLeasesLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LeaseCommencedDate" name="LeaseCommencedDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BaseRent" name="BaseRent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BaseRentIncreaseRate" name="BaseRentIncreaseRate" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfBuildingForLeaseDescription" name="NumberOfBuildingForLeaseDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SecurityDepositReductionInValueAfterFirstTwentyFourMonthsOfLeaseTerm" name="SecurityDepositReductionInValueAfterFirstTwentyFourMonthsOfLeaseTerm" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_TerminationFees" name="TerminationFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ReductionOfContractualObligations" name="ReductionOfContractualObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LesseeOperatingLeaseRenewalTermDescription" name="LesseeOperatingLeaseRenewalTermDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_BaseRentAndConstructionAllowancePerMonth" name="BaseRentAndConstructionAllowancePerMonth" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AccessFeesPayable" name="AccessFeesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AccessFees" name="AccessFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_AgreedSignatureFeeAmount" name="AgreedSignatureFeeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ExtensionFees" name="ExtensionFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ClinicalRegulatoryMilestone" name="ClinicalRegulatoryMilestone" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_SalesRelatedMilestones" name="SalesRelatedMilestones" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_RoyaltyPercentage" name="RoyaltyPercentage" nillable="true" xbrli:periodType="duration" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_MilestoneAggregateAmount" name="MilestoneAggregateAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_MaintenanceFees" name="MaintenanceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_PercentageOfForgivenAmount" name="PercentageOfForgivenAmount" nillable="true" xbrli:periodType="instant" type="num:percentItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_UnrealizedLossRecognizedOnWarrant" name="UnrealizedLossRecognizedOnWarrant" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_ContractualObligations" name="ContractualObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_NumberOfYearsLeaseCanBeExtended" name="NumberOfYearsLeaseCanBeExtended" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="LCTX_LatterOfOctoberThirtyTwoThousandTwentyTwentyMember" name="LatterOfOctoberThirtyTwoThousandTwentyTwentyMember" nillable="true" xbrli:periodType="duration" type="nonnum:domainItemType" substitutionGroup="xbrli:item" />
</schema>
