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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2022-03-31T02:14:37.1214005+00:00 -->
<!-- Version            : 5.0.1.728 -->
<!-- Package ID         : ca36f2e1b8db489fbc74368afc33eae8 -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
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  <xsd:element id="tsha_MinimumLicensedProductToDevelopObtainRegulatoryApprovalForAndCommercialize" name="MinimumLicensedProductToDevelopObtainRegulatoryApprovalForAndCommercialize" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_UTSouthwesternAgreementMember" name="UTSouthwesternAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_QueensAgreementMember" name="QueensAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_AbeonaCLN1AgreementsMember" name="AbeonaCLN1AgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_AbeonaRettAgreementMember" name="AbeonaRettAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_AbeonaTherapeuticsIncMember" name="AbeonaTherapeuticsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_AcquisitionOfWorldwideRightsForTSHA120ForTreatmentOfGiantAxonalNeuropathyMember" name="AcquisitionOfWorldwideRightsForTSHA120ForTreatmentOfGiantAxonalNeuropathyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_PercentageOfFullyDilutedCommonStockSharesOutstanding" name="PercentageOfFullyDilutedCommonStockSharesOutstanding" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="tsha_PercentageOfCommonStockSharesEntitledToReceiveAdditionalSharesOnFullyDilutedBasis" name="PercentageOfCommonStockSharesEntitledToReceiveAdditionalSharesOnFullyDilutedBasis" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="tsha_ResearchGrantOfCommittedFundAmount" name="ResearchGrantOfCommittedFundAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_PaymentsToAcquireLicenseRight" name="PaymentsToAcquireLicenseRight" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_LicenseAgreementRegulatoryMilestonesPayment" name="LicenseAgreementRegulatoryMilestonesPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_LicenseAgreementCommercialMilestonesPayment" name="LicenseAgreementCommercialMilestonesPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_AdditionalMilestonePayments" name="AdditionalMilestonePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_PaymentOfLicenseFee" name="PaymentOfLicenseFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_PurchaseOfClinicalMaterialsAndReimbursementIncurredDevelopmentCosts" name="PurchaseOfClinicalMaterialsAndReimbursementIncurredDevelopmentCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_LicenseAndInventoryPurchaseAgreementRegulatoryRelatedMilestonesPayment" name="LicenseAndInventoryPurchaseAgreementRegulatoryRelatedMilestonesPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_LicenseAndInventoryPurchaseAgreementSalesRelatedMilestonesPayment" name="LicenseAndInventoryPurchaseAgreementSalesRelatedMilestonesPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_RegulatoryRelatedMilestonesObligationPayable" name="RegulatoryRelatedMilestonesObligationPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_SaleRelatedMilestonesPerLicensedProductAndRoyaltiesOnNetSalesOfLicensedProductsPayable" name="SaleRelatedMilestonesPerLicensedProductAndRoyaltiesOnNetSalesOfLicensedProductsPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_PaymentOfOneTimeUpfrontLicenseFee" name="PaymentOfOneTimeUpfrontLicenseFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_UpfrontPayment" name="UpfrontPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_ClinicalRegulatoryAndCommercialMilestonesToBeReceived" name="ClinicalRegulatoryAndCommercialMilestonesToBeReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_NumberOfSecuredPromissoryNotes" name="NumberOfSecuredPromissoryNotes" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_SecuredPromissoryNotesMember" name="SecuredPromissoryNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_PresidentAndChiefExecutiveOfficerMember" name="PresidentAndChiefExecutiveOfficerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesAPurchaseAgreementMember" name="SeriesAPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesAPurchaseAgreementInitialClosingMember" name="SeriesAPurchaseAgreementInitialClosingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesAAchievementOfSpecificClinicalMilestoneOneMember" name="SeriesAAchievementOfSpecificClinicalMilestoneOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesAAchievementOfSpecificClinicalMilestoneTwoMember" name="SeriesAAchievementOfSpecificClinicalMilestoneTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesAUponAchievementOfCertainDefinedClinicalMilestonesMember" name="SeriesAUponAchievementOfCertainDefinedClinicalMilestonesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_PBMTGTHoldingsLimitedLiabilityCompanyMember" name="PBMTGTHoldingsLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_NolanCapitalLimitedLiabilityCompanyMember" name="NolanCapitalLimitedLiabilityCompanyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_SeriesBPurchaseAgreementMember" name="SeriesBPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_MeasurementInputProbabilityOfAchievingClinicalMilestonesAndTimingMember" name="MeasurementInputProbabilityOfAchievingClinicalMilestonesAndTimingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_ProceedsFromIssuanceOfCommonStockGross" name="ProceedsFromIssuanceOfCommonStockGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_ConvertiblePreferredStockTrancheLiabilityOfferingPrice" name="ConvertiblePreferredStockTrancheLiabilityOfferingPrice" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="tsha_ConvertiblePreferredStockTrancheLiabilityMeasurementInput" name="ConvertiblePreferredStockTrancheLiabilityMeasurementInput" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="tsha_ConvertiblePreferredStockTrancheLiabilityLiquidityTerm" name="ConvertiblePreferredStockTrancheLiabilityLiquidityTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_PreferredStockTrancheLiability" name="PreferredStockTrancheLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_IssuanceOfProRataPortionOfMilestoneShares" name="IssuanceOfProRataPortionOfMilestoneShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_MileStoneSharesIssued" name="MileStoneSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_AmountReclassifiedToConvertiblePreferredStock" name="AmountReclassifiedToConvertiblePreferredStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_PreferredStockTrancheLiabilityMember" name="PreferredStockTrancheLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_TwoThousandTwentyEquityIncentivePlanMember" name="TwoThousandTwentyEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_TwoThousandTwentyStockIncentivePlanMember" name="TwoThousandTwentyStockIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_EmployeeStockPurchasePlanMember" name="EmployeeStockPurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_CertainEmployeesAndConsultantsMember" name="CertainEmployeesAndConsultantsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_ShareBasedCompensationAwardTrancheFourMember" name="ShareBasedCompensationAwardTrancheFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardCommencementDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_PercentageOfAutomaticIncreaseEveryYearInCommonStockSharesReservedForFutureIssuance" name="PercentageOfAutomaticIncreaseEveryYearInCommonStockSharesReservedForFutureIssuance" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReplacementUnitsGrantsInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReplacementUnitsGrantsInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_CommonStockFairValuePerShare" name="CommonStockFairValuePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xsd:element id="tsha_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodIntrinsicValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReplacementUnitsGrantsInPeriodWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsReplacementUnitsGrantsInPeriodWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_IncomeTaxDisclosureLineItems" name="IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_IncomeTaxDisclosureTable" name="IncomeTaxDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_NetOperatingLossCarryforwardPercentage" name="NetOperatingLossCarryforwardPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_TaxCutsAndJobsActAdjustedTaxableIncomeLimitationPercentage" name="TaxCutsAndJobsActAdjustedTaxableIncomeLimitationPercentage" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_EffectiveIncomeTaxRateReconciliationOtherPermanentDifferences" name="EffectiveIncomeTaxRateReconciliationOtherPermanentDifferences" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfTrancheLiability" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfTrancheLiability" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_TaxCreditCarryforwardExpirationOrDueDateYear" name="TaxCreditCarryforwardExpirationOrDueDateYear" type="dtr-types:gYearListItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_DurhamLeaseMember" name="DurhamLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_DallasLeaseMember" name="DallasLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_PegasusParkLLCMember" name="PegasusParkLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_DallasLeaseAmendmentMember" name="DallasLeaseAmendmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_OnSiteGenerationLeaseMember" name="OnSiteGenerationLeaseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_CentralUtilitiesBuildingMember" name="CentralUtilitiesBuildingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="tsha_OperatingLeasesInitialDirectCosts" name="OperatingLeasesInitialDirectCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_BuildToSuitAsset" name="BuildToSuitAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_BuiltToSuitLeaseLiability" name="BuiltToSuitLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_EquipmentPurchasesAndBuildOutOfLeasedFacility" name="EquipmentPurchasesAndBuildOutOfLeasedFacility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_ObligationForPaymentOfInitialBaseRentForOfficeSpace" name="ObligationForPaymentOfInitialBaseRentForOfficeSpace" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_MaximumEstimatedMonthlyBaseRentIncreaseAnnuallyDuringTermOfLease" name="MaximumEstimatedMonthlyBaseRentIncreaseAnnuallyDuringTermOfLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_MaximumConstructionAllowanceProvidedByLandlordPerRentableSquareFoot" name="MaximumConstructionAllowanceProvidedByLandlordPerRentableSquareFoot" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xsd:element id="tsha_ObligationForPaymentOfFeesForLeasedEquipmentAndMonthlyMaintenanceAndFuelAcquisitionCosts" name="ObligationForPaymentOfFeesForLeasedEquipmentAndMonthlyMaintenanceAndFuelAcquisitionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_AdvancedMonthlyPayments" name="AdvancedMonthlyPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xsd:element id="tsha_LicenseAgreementRegulatoryRelatedMilestonesMaximumAmountPayable" name="LicenseAgreementRegulatoryRelatedMilestonesMaximumAmountPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_LicenseAgreementSalesRelatedMilestonesMaximumAmountPayable" name="LicenseAgreementSalesRelatedMilestonesMaximumAmountPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xsd:element id="tsha_LicenseAgreementForCLN7Member" name="LicenseAgreementForCLN7Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
