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中文摘要
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英文摘要
DESCRIPTION (provided by applicant): The goal of this proposal is to advance technologies and understanding about the mechanism of pancreatic beta cell development in embryogenesis and adult islets, and to promote the application of such advances to islet regeneration and stem cell biology by other members of the Beta Cell Biology Consortium (BCBC). I propose to bring two technologies to the BCBC; one will identify new and unanticipated transcription factor-based regulatory events that are relevant to endocrine development, and the other will define endothelial cell signaling factors that promote endocrine differentiation and pancreatic stromal cell survival. In our first Aim, we will generate in vivo footprinting data and related information on proendocrine transcription factor genes at different stages of pancreatic development and aging, to better define regulatory events that govern endocrine progenitor cell differentiation and beta cell regenerative capacity. By disseminating data to members of the BCBC, collaborators can help us define new factor-regulatory sequence interactions and use the information to monitor, predict, and ultimately perturb beta cell generation from stem cells and during islet regeneration. This approach is complementary to existing genetic studies, which give terminal phenotypes but not information about genetic regulatory mechanisms. In our second Aim, we will use existing endothelial cell lines and create new ones from mouse embryos to identify endothelial signaling factors that promote endocrine progenitor differentiation and pancreatic stromal cell survival. Since endothelial cells and stromal cells both control pancreatic growth, these studies are intended to reveal new signaling molecules that control islet development and regeneration. We also plan to link Aims 1 and 2 by investigating transcription factor occupancies at pro-endocrine genes in response to endothelial signals. By sharing technology and information from our work with the BCBC, our basic developmental studies will be more rapidly translated to develop cures for diabetes
期刊论文(6)
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会议论文
DOI: 10.1242/dmm.009696
发表时间: 2012-11
期刊: Disease models & mechanisms
影响因子: 4.3
作者: [Serup P, Gustavsen C, Klein T, Potter LA, Lin R, Mullapudi N, Wandzioch E, Hines A, Davis A, Bruun C, Engberg N, Petersen DR, Peterslund JM, Macdonald RJ, Grapin-Botton A, Magnuson MA, Zaret KS]
通讯作者: Zaret KS
DOI: 10.1126/science.1174497
发表时间: 2009-06-26
期刊: Science (New York, N.Y.)
影响因子: --
作者: [Wandzioch E, Zaret KS]
通讯作者: Zaret KS
Modulating heterochromatin to improve beta cell differentiation from stem cells
  • 批准号:
    10030974
  • 项目类别:
  • 资助金额:
    $40.5万
  • 财政年份:
    2020
  • 负责人:
    Kenneth Zaret
  • 依托单位:
Modulating heterochromatin to improve beta cell differentiation from stem cells
  • 批准号:
    10646396
  • 项目类别:
  • 资助金额:
    $40.63万
  • 财政年份:
    2020
  • 负责人:
    Kenneth Zaret
  • 依托单位:
Modulating heterochromatin to improve beta cell differentiation from stem cells
  • 批准号:
    10186739
  • 项目类别:
  • 资助金额:
    $40.63万
  • 财政年份:
    2020
  • 负责人:
    Kenneth Zaret
  • 依托单位:
Modulating heterochromatin to improve beta cell differentiation from stem cells
  • 批准号:
    10410417
  • 项目类别:
  • 资助金额:
    $40.63万
  • 财政年份:
    2020
  • 负责人:
    Kenneth Zaret
  • 依托单位:
国内基金
海外基金
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靶向递送一氧化碳调控AGE-RAGE级联反应促进糖尿病创面愈合研究
  • 批准号:
    JCZRQN202500010
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2025
  • 负责人:
  • 依托单位:
对香豆酸抑制AGE-RAGE-Ang-1通路改善海马血管生成障碍发挥抗阿尔兹海默病作用
  • 批准号:
    2025JJ70209
  • 项目类别:
    省市级项目
  • 资助金额:
    --
  • 批准年份:
    2025
  • 负责人:
    雷芬芳
  • 依托单位:
AGE-RAGE通路调控慢性胰腺炎纤维化进程的作用及分子机制
  • 批准号:
    --
  • 项目类别:
    面上项目
  • 资助金额:
    --
  • 批准年份:
    2024
  • 负责人:
    万荣
  • 依托单位: