Generating neurons through cellular reprogramming
Generating neurons through cellular reprogramming
批准号:
8204269
负责人:
Oliver Hobert
金额:
$23.68万
依托单位国家:
美国
项目类别:
财政年份:
2011
资助国家:
美国
项目状态:
已结题
起止时间:
2011-05-01 至 2013-04-30
关键词:
Applications GrantsBindingBiological ModelsCaenorhabditis elegansCandidate Disease GeneCellsChromatinDataDiseaseExcisionGenesGenetic ScreeningGlutamatesGoalsHeadHumanHydrolaseIn VitroIndividualInvertebratesLaboratoriesMolecularNatureNematodaNeuronsNucleic Acid Regulatory SequencesParkinson DiseasePatientsRNA InterferenceRefractoryReplacement TherapyResearch ProposalsRouteScienceScreening procedureSkinStem cellsSubcutaneous TissueSystemTestingUbiquitinWorkZinc Fingerscell typedopaminergic neurongene discoverygenetic manipulationhuman diseaseinduced pluripotent stem cellinhibitor/antagonistmutantnervous system disorderpreventstemsuccesstooltranscription factor
中文摘要
描述(由申请人提供):转录因子对细胞身份进行重编程的能力通常非常有限,并且阻碍了我们产生用于各种不同应用的细胞类型的能力。在这项题为“通过细胞重编程生成神经元”的拨款提案中,我们建议在线虫C中进行遗传筛选。这将识别通常起作用以阻止转录因子重新编程细胞身份的能力的因子。在初步工作中,确定了两个这样的“重新编程制动器”。进一步的遗传筛选可能会揭示更多的这些重编程抑制剂,并帮助我们更好地了解细胞的可塑性,特别是神经元的身份。这项拨款建议特别使用了C。elegans模型系统作为基因发现工具。
公共卫生相关性:这项研究计划研究个体细胞身份重编程的分子机制。从概念上讲,细胞身份的重编程对于各种人类疾病的细胞替代疗法具有巨大的潜力,包括神经系统疾病,其中个体细胞丢失并且希望用完整的重编程细胞替代那些细胞。
英文摘要
DESCRIPTION (provided by applicant): The ability of transcription factors to reprogram the identity of cells is usually very limited and hampers our ability to generate cells types for various different applications. In this grant proposal, entitled "Generating neurons through cellular reprogramming", we propose to conduct genetic screens in the nematode C. elegans that will identify factors that normally act to prevent the ability of transcription factors to reprogram cellular identities. In preliminary work, two such "reprogramming brakes" were identified. Further genetic screens may reveal more of these reprogramming inhibitors and help us better understand the plasticity of cellular, and specifically neuronal identity. This grant proposal makes specific use of the C. elegans model system as a gene discovery tool.
PUBLIC HEALTH RELEVANCE: This research proposal studies the molecular mechanisms that underlie the reprogramming of the identity of individual cells. Conceptually, the reprogramming of cellular identity has enormous potential for cell replacement therapies of various human diseases, including neurological diseases, in which individual cells are lost and in which one wishes to replace those cells with intact, reprogrammed cells.
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