Development and Maintenance of Thymic Epithelial Microenvironments

胸腺上皮微环境的发展和维持

基本信息

  • 批准号:
    8527705
  • 负责人:
  • 金额:
    $ 32.36万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2012
  • 资助国家:
    美国
  • 起止时间:
    2012-08-15 至 2016-07-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): Development and maintenance of a properly functioning immune system is dependent upon a properly organized and functioning thymus. Thymic epithelial cells (TECs) make up the structure of the thymus and are responsible for the maintaining its primary functions. Bone marrow transplants can cure many forms of blood-derived cancers as well as non-malignant blood disorders. Unfortunately, particularly in adult patients, bone marrow transplants damage the thymus and in particular TECs resulting in a reduced capacity to fight infection and cancer. Stem cells in a variety of tissues have been identified by their capacity to divide very slowly, the so-called "label retaining cells" (LRCs). A novel genetically engineered mouse model system, which allows identification and purification of viable Histone 2B-green fluorescence protein tagged stem cells and was successfully used to identify and purify skin stem cells, has been used here to purify thymic epithelial stem cells. Preliminary results show that surgical transfer of these cells under the kidney capsule results in the formation of functional thymic tissue. The aims of this study will be to: 1) further characterie the recently identified thymic epithelial stem cells with the ability to reform thymic tissue; 2) understand the signals and cell to cell interactions that control the maintenance of adult thymic stem cells; 3) test the capacity of thymic stem cells and recently developed stem cell lines to enhance the recovery of thymic function in a mouse model of bone marrow transplant. These studies will be instrumental in the design of new clinical strategies to counteract thymic involution as well as the premature thymic degeneration that occurs in response to cancer treatments and BMT. From a developmental standpoint this study will allow the PI to continue to train underserved research students, while enhancing both the scientific productivity of the lab and the impact of the publications produced, enabling a researcher at a minority serving institution to be more competitive for NIH support.
描述(由申请人提供):正常功能免疫系统的发展和维持依赖于正常组织和功能的胸腺。胸腺上皮细胞(TECs)构成了胸腺的结构,并负责维持其主要功能。骨髓移植可以治愈多种形式的血液源性癌症以及非恶性血液疾病。不幸的是,特别是在成人患者中,骨髓移植会损害胸腺,特别是TECs,导致抵抗感染和癌症的能力下降。各种组织中的干细胞被鉴定为具有非常缓慢分裂的能力,即所谓的“标签保留细胞”(lrc)。一个

项目成果

期刊论文数量(0)
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MARK PEZZANO其他文献

MARK PEZZANO的其他文献

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{{ truncateString('MARK PEZZANO', 18)}}的其他基金

Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359238
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359286
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359244
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359285
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359283
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Cellular/Molecular Basis of Development: Research Center
细胞/分子发展基础:研究中心
  • 批准号:
    9359284
  • 财政年份:
    2015
  • 资助金额:
    $ 32.36万
  • 项目类别:
Development and Maintenance of Thymic Epithelial Microenvironments
胸腺上皮微环境的发展和维持
  • 批准号:
    8338776
  • 财政年份:
    2012
  • 资助金额:
    $ 32.36万
  • 项目类别:
Development and Maintenance of Thymic Epithelial Microenvironments
胸腺上皮微环境的发展和维持
  • 批准号:
    8697010
  • 财政年份:
    2012
  • 资助金额:
    $ 32.36万
  • 项目类别:
AREA IV IMMUNOLOGY
IV 区免疫学
  • 批准号:
    8357150
  • 财政年份:
    2011
  • 资助金额:
    $ 32.36万
  • 项目类别:
AREA IV IMMUNOLOGY
IV 区免疫学
  • 批准号:
    7959167
  • 财政年份:
    2009
  • 资助金额:
    $ 32.36万
  • 项目类别:

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