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PROJECT ABSTRACT Studies of several Intellectual/Developmental Disability (IDD) conditions have implicated white matter alterations in their pathogenesis, and mouse models of oligodendrocyte defects have validated mechanistic connections with cognitive disorders. In addition, many genetic causes of leukodystrophies have been identified, including mutations affecting the PLP1 gene in Pelizaeus-Merzbacher disease. However, due to the lack of tools to interpret significant variations in the noncoding genome, the ultimate influence of most genetic variants unfortunately remain uncharacterized. With the resources of PsychEncode and GTEx, a number of tools have emerged that can be integrated to create a network model of Transcription Factors (TFs) and their binding sites (TFBS), and several relevant datasets of the oligodendrocyte epigenome have emerged. The goal of this proposal is to integrate these epigenomic resources with newly available eQTL resources to develop a model that will improved predictive value in deciphering Whole Genome Sequencing (WGS) data from patients with a variety of developmental disabilities related to white matter changes. Along with creating the model, we will integrate motif analysis of known TFs involved in oligodendrocyte development (MYRF, SOX10, OLIG2, TCF4 and CHD7/8) to determine if variants alter transcription factor binding sites (TFBS) in oligodendrocyte-expressed genes. We anticipate that creation an improved oligodendrocyte GRN will lead to collaborative grant collaborations in several IDD conditions, such as Autism Spectrum Disorder (ASD), to elucidate the effects of noncoding changes in WGS and link them to perturbations in the oligodendrocyte network.
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Creation of a Schwann Cell Gene Regulatory Network
  • 批准号:
    10581647
  • 项目类别:
  • 资助金额:
    $18.11万
  • 财政年份:
    2022
  • 负责人:
    John P Svaren
  • 依托单位:
IDD Models Core
  • 批准号:
    10678933
  • 项目类别:
  • 资助金额:
    $24.11万
  • 财政年份:
    2021
  • 负责人:
    John P Svaren
  • 依托单位:
IDD Models Core
  • 批准号:
    10239780
  • 项目类别:
  • 资助金额:
    $19.15万
  • 财政年份:
    2021
  • 负责人:
    John P Svaren
  • 依托单位:
IDD Models Core
  • 批准号:
    10450732
  • 项目类别:
  • 资助金额:
    $23.5万
  • 财政年份:
    2021
  • 负责人:
    John P Svaren
  • 依托单位:
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