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Importance of Small GTPases in Photoreceptor Function

Importance of Small GTPases in Photoreceptor Function
小 GTP 酶在感光器功能中的重要性
批准号:
9893876
负责人:
Visvanathan Ramamurthy
金额:
$35.37万
依托单位:
依托单位国家:
美国
项目类别:
财政年份:
2017
资助国家:
美国
项目状态:
已结题
起止时间:
2017-04-01 至 2023-03-31

项目摘要

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中文摘要
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英文摘要
PROJECT SUMMARY/ABSTRACT The long term goals of our research are to identify mechanisms that contribute to the formation and maintenance of photoreceptor outer segments. The goal of this proposal is to explore the regulation of small GTPases that belong to the ARF-like family of proteins and their effect on early development of cilia and photoreceptor outer segment morphogenesis. Interestingly, mutations in small GTPases and their regulators are linked to blindness and syndromic diseases. Our study will also focus on the need for small GTPases in protein trafficking and will test if these GTPases are needed in adult photoreceptors. We will use a combination of unique animal models, cell culture models and in vitro biochemical analyses to comprehensively address the requirement for GTPases and their regulation in ciliated cells including photoreceptors. Our proposed studies are aligned with the Retinal Diseases Program of the NEI to “Identify the genes involved in both inherited and retinal degenerative diseases (including RP), determine the pathophysiological mechanisms underlying these mutations, and determine new potential therapeutic strategies for treatment such as gene transfer, tissue and cell transplantation, growth factor therapy, and pharmacological intervention”. Our proposed studies have clinical implications, such as therapy for mutations in small GTPases that lead to blindness, and which are not currently available.
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Visual Sciences Center of Biomedical Research Excellence
  • 批准号:
    10593131
  • 项目类别:
  • 资助金额:
    $222.29万
  • 财政年份:
    2022
  • 负责人:
    Visvanathan Ramamurthy
  • 依托单位:
VS-CoBRE Administrative Core
  • 批准号:
    10334875
  • 项目类别:
  • 资助金额:
    $49.73万
  • 财政年份:
    2022
  • 负责人:
    Visvanathan Ramamurthy
  • 依托单位:
Visual Sciences Center of Biomedical Research Excellence
  • 批准号:
    10334874
  • 项目类别:
  • 资助金额:
    $211.65万
  • 财政年份:
    2022
  • 负责人:
    Visvanathan Ramamurthy
  • 依托单位:
VS-CoBRE Administrative Core
  • 批准号:
    10593132
  • 项目类别:
  • 资助金额:
    $74.78万
  • 财政年份:
    2022
  • 负责人:
    Visvanathan Ramamurthy
  • 依托单位: