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EMBRYONIC CELL-BASED THERAPEUTIC CANDIDATE SCREENING SYSTEMS, MODELS FOR HUNTINGTON'S DISEASE AND USES THEREOF
EMBRYONIC CELL-BASED THERAPEUTIC CANDIDATE SCREENING SYSTEMS, MODELS FOR HUNTINGTON'S DISEASE AND USES THEREOF
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机译:基于胚胎细胞的候选治疗筛查系统,Huntington疾病模型及其应用
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摘要
Compositions and methods disclosed concern an isogenic population of in vitro human embryonic stem cells comprising a disease form of the Huntingtin gene (HTT) at the endogenous HTT gene locus in the genome of the cell; wherein the disease form of the HTT gene comprises a polyQ repeat of at least 40 glutamines at the N-terminus of the Huntingtin protein (HTT). The cell lines of the disclosure comprise genetically-defined alterations made in the endogenous HTT gene that recapitulate Huntington's Disease in humans. Furthermore, the cell lines have isogenic controls that share a similar genetic background. Differentiating cell lines committed to a neuronal fate and fully differentiated cell lines are also provided and they also display phenotypic abnormalities associated with the length of the polyQ repeat of the HTT gene. These cell lines are used as screening tools in drug discovery and development to identify substances that fully or partially revert these phenotype abnormalities.
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