Identifying niche factors regulating distinct properties of AT2 stem cells

识别调节 AT2 干细胞独特特性的生态位因子

基本信息

  • 批准号:
    9767857
  • 负责人:
  • 金额:
    $ 54.39万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-08-22 至 2022-05-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY A number of serious respiratory diseases cause problems with gas exchange, which is the principal function of the lungs. Some of these are sudden in onset, like lung injury from a severe pneumonia, while others develop over long periods of time, like COPD and Idiopathic Pulmonary Fibrosis (IPF). There is some evidence that the chronic forms of respiratory failure result from loss of the capacity of the lungs to maintain themselves, in part due to dysfunction of resident lung stem cells that normally perform this role. Therefore, discovering the specific molecular and cellular mechanisms by which lung stem cells are regulated throughout life may be helpful for understanding how COPD and IPF develop. Achieving this deep level of understanding about lung stem cell regulation may lead to improved strategies to predict, diagnose, and even pharmacologically treat such diseases. Furthermore, given the easy accessibility of the lung via medical bronchoscopy, it is an ideal organ to target with the delivery of healthy stem cells that might prevent disease progression or even produce improvement if they can be successfully transplanted into diseased lungs. We have found that one of the functional cells in the gas exchange region, the alveolar type II (AT2) cell, acts as a stem cell for mouse lung throughout the lifespan, and identified several factors that regulate its activity. The AIMS of this proposal are to expand our understanding of how these stem cells are regulated by studying the local environment that provides the signals that control their activity, including proliferation and differentiation. We will investigate three specific and distinct aspects of the stem cell behavior, including how it is induced to proliferate to generate new cells, how it attains the capacity to transiently regulate itself in response to injury, and whether the regulatory environment is as or more important than the stem cell itself for maintaining the lungs over the lifespan. Our findings will significantly deepen our understanding of precisely how these lung stem cells can be deliberately manipulated to generate large numbers suitable for cell transplantation, or by pharmacologically driving their activity for therapeutic 're-growth' purposes.
项目总结

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
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Tushar Jasubhai DESAI其他文献

Tushar Jasubhai DESAI的其他文献

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{{ truncateString('Tushar Jasubhai DESAI', 18)}}的其他基金

Cellular and molecular mechanisms of alveolar repair
肺泡修复的细胞和分子机制
  • 批准号:
    10750085
  • 财政年份:
    2023
  • 资助金额:
    $ 54.39万
  • 项目类别:
Next-Generation Genomic Imaging Technology
下一代基因组成像技术
  • 批准号:
    10460108
  • 财政年份:
    2018
  • 资助金额:
    $ 54.39万
  • 项目类别:
Identifying niche factors regulating distinct properties of AT2 stem cells
识别调节 AT2 干细胞独特特性的生态位因子
  • 批准号:
    9576667
  • 财政年份:
    2018
  • 资助金额:
    $ 54.39万
  • 项目类别:
Next-Generation Genomic Imaging Technology
下一代基因组成像技术
  • 批准号:
    10026446
  • 财政年份:
    2018
  • 资助金额:
    $ 54.39万
  • 项目类别:
Identifying niche factors regulating distinct properties of AT2 stem cells
识别调节 AT2 干细胞独特特性的生态位因子
  • 批准号:
    10178079
  • 财政年份:
    2018
  • 资助金额:
    $ 54.39万
  • 项目类别:
Single Cell Profiling and In Vivo Cellular Interrogation of Alveolar Stem Cells
肺泡干细胞的单细胞分析和体内细胞分析
  • 批准号:
    9130386
  • 财政年份:
    2015
  • 资助金额:
    $ 54.39万
  • 项目类别:
Development and maintenance of the alveolar type 1 cell
肺泡 1 型细胞的发育和维持
  • 批准号:
    7386391
  • 财政年份:
    2008
  • 资助金额:
    $ 54.39万
  • 项目类别:
Development and maintenance of the alveolar type 1 cell
肺泡 1 型细胞的发育和维持
  • 批准号:
    7552017
  • 财政年份:
    2008
  • 资助金额:
    $ 54.39万
  • 项目类别:
Development and maintenance of the alveolar type 1 cell
肺泡 1 型细胞的发育和维持
  • 批准号:
    7754452
  • 财政年份:
    2008
  • 资助金额:
    $ 54.39万
  • 项目类别:
Development and maintenance of the alveolar type 1 cell
肺泡 1 型细胞的发育和维持
  • 批准号:
    8207255
  • 财政年份:
    2008
  • 资助金额:
    $ 54.39万
  • 项目类别:

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