Clinical trial readiness biomarkers for gene dosage-dependent disorders
基因剂量依赖性疾病的临床试验准备生物标志物
基本信息
- 批准号:10675478
- 负责人:
- 金额:$ 20.06万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2020
- 资助国家:美国
- 起止时间:2020-07-22 至 2025-05-31
- 项目状态:未结题
- 来源:
- 关键词:AccelerationAddressAlgorithmsAllelesAntisense Oligonucleotide TherapyAntisense OligonucleotidesAttentionAuditory Evoked PotentialsBioinformaticsBiologicalBiological MarkersBiosensorBlinkingBloodBrainCell LineCellsClinicalClinical TrialsCognitionCommunitiesComplementComplementary DNAComplexCopy Number PolymorphismDNADataData AnalysesData SetDevelopmentDevelopmental GeneDiseaseDoseEnrollmentEvoked PotentialsFibroblastsFoundationsFutureGene DosageGene ExpressionGene MutationGenesGeneticGoalsHumanImpairmentIndividualIntellectual and Developmental Disabilities Research CentersIntellectual functioning disabilityLearningMachine LearningMass Spectrum AnalysisMeasurementMeasuresMediatorMedicineMemoryMendelian disorderMethodologyMethyl-CpG-Binding Protein 2MolecularMolecular ProfilingMusMutationNatural HistoryNeurologicNeuronsOutcome MeasureParticipantPathologyPatientsPerceptionPeripheralPhenotypePhysiologicalPopulation StudyPotocki-Lupski syndromeProteinsPupilRNA SplicingRecording of previous eventsResearchResearch Project GrantsSafetySensoryServicesSeveritiesSingle Nucleotide PolymorphismSomatosensory Evoked PotentialsSpinal Muscular AtrophyStimulusSymptomsSyndromeTestingTimeTitrationsTreatment EfficacyTreatment-related toxicityVisual evoked cortical potentialWorkbiomarker identificationbiomarker panelbiomarker signaturecandidate identificationclinic readyclinical phenotypeclinical trial readinesscognitive functioncohortcollegedesigndiverse datadosagegain of functiongene replacementimprovedindividual patientinduced pluripotent stem cellinnovationinsightinterestloss of functionmetabolomemetabolomicsmolecular markermouse modelmultimodal dataneural circuitnew technologynext generationnoveloverexpressionovertreatmentprecision medicineprepulse inhibitionresponsesocial skillstooltranscriptometranscriptome sequencingtranscriptomics
项目摘要
DNA-based therapy has made tremendous advances recently, as evident by the increase in emerging potential
therapies such as gene replacement and antisense oligonucleotides to alter splicing or downregulate an extra
allele. These therapies hold the promise to treat many IDDs; however, major challenges must be addressed to
achieve successful clinical trials. Safety of such therapies is of the utmost importance since many of the genes
are dosage sensitive. It is therefore critical to identify outcome measures sensitive to target engagement and
able to detect overtreatment and unintended conversion of gain-of-function phenotypes into a loss-of-function
phenotypes, and vice versa. Here, we focus on MECP2- (Rett vs. MECP2 Duplication), RAI1- (Smith-Magenis
vs. Potocki-Lupski syndrome) and SHANK3- (Phelan-McDermid vs. SHANK3 Duplication) associated disorders
as test cases of IDDs that are caused by alterations of these dosage-dependent genes. We propose to identify
molecular and neurocircuitry mediators/effectors of dosage alterations of these genes, both peripherally and
centrally, to develop composite biomarkers that are responsive to gene dosage in each individual at their
particular disease stage. Toward this goal, we capitalize on the established patient cohorts at Baylor College of
Medicine, which
has an extensive history in studying these disorders and their genetics. In Aim 1, we will
establish patient-specific molecular signatures of human induced neurons (iNs), derived from both fibroblasts
and inducible pluripotent stem cells, and blood, using metabolomics and transcriptomics. In Aim 2, we will
establish patient-specific autonomic and sensory neurocircuitry signatures of the momentary disease stage
and severity using novel pre-pulse inhibition paradigm, pupillometry, and evoked potentials. These signatures
will be obtained twice from the same subject, 8-12 months apart, to assess stability. We will then integrate
these dense multimodal datasets from each subject to generate a composite biomarker that accurately
represents personalized response to the gene dosage level at that particular time. In contrast to conventional
population studies – and in the spirit of precision medicine – this analysis framework relies on complete and
diverse datasets from each participant because safety at the individual level is paramount to avoid causing
unintended phenotypes. This project is possible because of the ability to access the innovative services from
all the cores. The strategies we develop will provide a template to advance the use of DNA-based therapy for
treatment of many monogenic disorders and could help inform many disorders that are gene dosage-
dependent. The patient-specific cell lines, molecular, and circuit data will be available for the scientific
community in perpetuity, will complement natural history studies, and will inform future clinical trials. Lastly, the
new methodologies for examining neurocircuitry and the integrative data analysis approaches at multiple levels
will potentially provide transformative tools and analytical algorithms for assessment, safe dosing, and
accelerated clinical trials for multiple gene dosage-dependent IDDs.
以dna为基础的治疗最近取得了巨大的进步,这一点从新兴潜力的增加就可以看出
项目成果
期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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MIRJANA MALETIC-SAVATIC其他文献
MIRJANA MALETIC-SAVATIC的其他文献
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{{ truncateString('MIRJANA MALETIC-SAVATIC', 18)}}的其他基金
Effects of 16p11.2 copy number variation on neuronal development and pathology
16p11.2 拷贝数变异对神经元发育和病理学的影响
- 批准号:
10659523 - 财政年份:2023
- 资助金额:
$ 20.06万 - 项目类别:
Using MR Spectroscopy to Measure Mammalian Neurogenesis in Vivo
使用磁共振波谱测量哺乳动物体内神经发生
- 批准号:
10434476 - 财政年份:2022
- 资助金额:
$ 20.06万 - 项目类别:
Using MR Spectroscopy to Measure Mammalian Neurogenesis in Vivo
使用磁共振波谱测量哺乳动物体内神经发生
- 批准号:
10627832 - 财政年份:2022
- 资助金额:
$ 20.06万 - 项目类别:
Clinical trial readiness biomarkers for gene dosage-dependent disorders
基因剂量依赖性疾病的临床试验准备生物标志物
- 批准号:
10221025 - 财政年份:2020
- 资助金额:
$ 20.06万 - 项目类别:
Clinical trial readiness biomarkers for gene dosage-dependent disorders
基因剂量依赖性疾病的临床试验准备生物标志物
- 批准号:
10427281 - 财政年份:2020
- 资助金额:
$ 20.06万 - 项目类别:
CEREBRAL LANGUAGE ORGANIZATION IN CHILDREN WITH AUTISM SPECTRUM DISORDERS
自闭症谱系障碍儿童的大脑语言组织
- 批准号:
7607883 - 财政年份:2007
- 资助金额:
$ 20.06万 - 项目类别:
Identification and tracking of neural stem cells in vivo: a metabolomic approach
体内神经干细胞的识别和追踪:代谢组学方法
- 批准号:
7286826 - 财政年份:2006
- 资助金额:
$ 20.06万 - 项目类别:
Identification and tracking of neural stem cells in vivo: a metabolomic approach
体内神经干细胞的识别和追踪:代谢组学方法
- 批准号:
7145549 - 财政年份:2006
- 资助金额:
$ 20.06万 - 项目类别:
CEREBRAL LANGUAGE ORGANIZATION IN CHILDREN WITH AUTISM SPECTRUM DISORDERS
自闭症谱系障碍儿童的大脑语言组织
- 批准号:
7375380 - 财政年份:2005
- 资助金额:
$ 20.06万 - 项目类别:
Activity-dependent control: neural progenitor cell fate
活动依赖性控制:神经祖细胞命运
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7090009 - 财政年份:2002
- 资助金额:
$ 20.06万 - 项目类别:
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