Identification of human orofacial enhancers and their role in orofacial clefts

人类口面部增强剂的鉴定及其在口面部裂隙中的作用

基本信息

  • 批准号:
    8677465
  • 负责人:
  • 金额:
    $ 10.89万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-05-01 至 2016-04-30
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Orofacial clefts are one of the most commonly occurring human birth defects, yet the underlying causes remain largely unknown. Genome wide association studies indicate heritability for such defects, however the vast majority of associations fall outside of genes suggesting defective gene regulation is a major contributor. The proposed work seeks to identify the genetic causes of nonsyndromic cleft lip and palate (NSCLP) by identifying and characterizing gene regulatory sequences that are active in early human orofacial development and disrupted in affected individuals. Preliminary research using functional genomics methods directly in human embryonic tissue has identified thousands of potential orofacial regulatory sequences, including several that are in linkage disequilibrium with single nucleotide polymorphisms strongly associated with NSCLP. This "Pathway to Independence" award application includes a mentored career development plan for transition of the candidate, Dr. Justin Cotney, into an independent investigator, as well an accompanying research plan describing the proposed experiments on identification and characterization of disease-associated variants in gene regulatory sequences. The candidate, Dr. Cotney, is a postdoctoral fellow at Yale University School of Medicine, in the lab of Dr. James Noonan in the Department of Genetics. The work leading to his graduate degree in Genetics and Molecular Biology at Emory University was conducted in the lab of Dr. Gerald Shadel in the Department of Biochemistry at Emory and Department of Genetics at Yale. There he focused on understanding the contributions of two members of a novel class of transcription factors to human mitochondrial gene expression and retrograde signaling. In the Noonan lab, Dr. Cotney applied biochemical and computational methods to identify gene regulatory sequences directly in embryonic limb tissue that have contributed to human-specific evolution of the hand and foot. The techniques and computational methods to address these evolutionary questions in embryonic development can be adapted to understand gene regulation in any developing tissue, placing Dr. Cotney in a unique position to investigate the causes of NSCLP. The mentoring and career development plan detailed within will supplement his background in basic molecular biology and functional genomics with additional training and instruction in statistical genetics and human orofacial development. Dr. Cotney's goal is to become a faculty member in an interdisciplinary bioscience, developmental biology, or similar department at an academic institution, in which he can research the role of dysfunction of developmental gene regulation in common human diseases. The research plan will leverage Dr. Cotney's expertise in functionally profiling embryonic tissue to identify gene regulatory sequences that are active during the formation of pharyngeal arches to fusion of palates and facial structures. The project further proposes to determine which of these activated regulatory elements are burdened with variants and structural changes in NSCLP patients and identify the consequences of disrupted developmental gene regulation. The identification of gene regulatory networks that are commonly perturbed in NSCLP patients will provide genetic markers that can predict the occurrence of these defects and provide targets for future preventative or therapeutic measures. Alleviating the impact of orofacial clefts and preventing their occurrence will increase global public health and lift a large financial burden currently faced by affected individuals and their families.
描述(由申请人提供):口面裂是最常见的人类出生缺陷之一,但其潜在原因仍在很大程度上未知。全基因组关联研究表明这类缺陷具有遗传性,但绝大多数关联属于基因之外,表明缺陷基因调控是主要因素。提出的工作旨在通过识别和表征在早期人类口面部发育中活跃并在受影响个体中中断的基因调控序列来确定非综合征性唇腭裂(NSCLP)的遗传原因。使用功能基因组学方法直接在人类胚胎组织中进行的初步研究已经确定了数千个潜在的口面部调节序列,包括一些与之连锁不平衡的序列

项目成果

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Justin Lee Cotney其他文献

Justin Lee Cotney的其他文献

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{{ truncateString('Justin Lee Cotney', 18)}}的其他基金

Integrated multi-omics analyses of early mammalian craniofacial development
早期哺乳动物颅面发育的综合多组学分析
  • 批准号:
    10083207
  • 财政年份:
    2020
  • 资助金额:
    $ 10.89万
  • 项目类别:
Integrated multi-omics analyses of early mammalian craniofacial development
早期哺乳动物颅面发育的综合多组学分析
  • 批准号:
    9891599
  • 财政年份:
    2020
  • 资助金额:
    $ 10.89万
  • 项目类别:
Functional characterization of craniofacial enhancers at single cell and single base pair resolution
单细胞和单碱基对分辨率下颅面增强子的功能表征
  • 批准号:
    10383769
  • 财政年份:
    2019
  • 资助金额:
    $ 10.89万
  • 项目类别:
Functional characterization of craniofacial enhancers at single cell and single base pair resolution
单细胞和单碱基对分辨率下颅面增强子的功能表征
  • 批准号:
    10614481
  • 财政年份:
    2019
  • 资助金额:
    $ 10.89万
  • 项目类别:
Unraveling mechanisms of genome regulation to understand and improve human health
揭示基因组调控机制以了解和改善人类健康
  • 批准号:
    10488578
  • 财政年份:
    2016
  • 资助金额:
    $ 10.89万
  • 项目类别:
Identification of human orofacial enhancers and their role in orofacial clefts
人类口面部增强剂的鉴定及其在口面部裂隙中的作用
  • 批准号:
    9057242
  • 财政年份:
    2015
  • 资助金额:
    $ 10.89万
  • 项目类别:
Identification of human orofacial enhancers and their role in orofacial clefts
人类口面部增强剂的鉴定及其在口面部裂隙中的作用
  • 批准号:
    9068925
  • 财政年份:
    2015
  • 资助金额:
    $ 10.89万
  • 项目类别:

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