Mechanisms of Cytokine Induced Lower Urinary Track Pathology

细胞因子诱导下尿路病理学机制

基本信息

  • 批准号:
    8549230
  • 负责人:
  • 金额:
    $ 15.65万
  • 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:
    2012-09-29 至 2015-07-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): By the 8th decade of life approximately 80% of men have evidence of benign prostatic hyperplasia (BPH), which is characterized by markedly increased tissue mass in the transition zone (TZ) of the prostate. Lower urinary tract symptoms (LUTS) are characterized by primary symptoms in the urinary bladder. The close proximity of these two physiologically related organs has led us to explore the hypothesis that the development and progression of these conditions may be associated in a common pathological condition which we designate as BPH/LUTS. Cellular senescence is a process that limits the proliferation of human cells. Senescent cells accumulate in human tissues, including the prostate, with increasing age. These senescent cells have altered function, including increased expression of pro-inflammatory cytokines that can alter the function of adjacent cells. Our preliminary data strongly supports the concept that cellular senescence contributes significantly to BPH/LUTS. The goal of this proposal is to characterize the mechanisms by which cellular senescence can promote the development of benign prostatic hyperplasia and via paracrine effects and/or mechanical obstruction induce changes in the urinary bladder. Three Aims are proposed. In Aim 1 we will determine if senescence associated cytokines are upregulated in BPH epithelium and if their levels correlate with levels of other senescence markers and characterize the cytokines and growth factors upregulated in BPH epithelium and stroma adjacent to this epithelium (periacinar stroma). This Aim we will both test our hypothesis regarding the role of epithelial senescence in BPH and derive a comprehensive list of potentially important cytokines/growth factors in BPH/LUTS. In Aim 2 we will explore the utility of using several novel, highly tractable models developed by our group to examine the impact of specific cytokines on cell growth and cellular phenotype in the context of epithelial/stromal interactions. In Aim 3 we will take advantage of several prostate promoter-specific transgenic mouse models to examine the possible role of inflammatory cytokines from the prostate gland in inducing cellular alterations
描述(由申请人提供):到80岁左右,大约80%的男性有良性前列腺增生(BPH)的证据,其特征是前列腺过渡区(TZ)组织质量明显增加。下尿路症状(LUTS)的特点是原发性症状在膀胱。这两个生理相关器官的密切关系使我们探索了这样一种假设,即这些疾病的发展和进展可能与我们称之为BPH/LUTS的共同病理状况有关。细胞衰老是一个限制人类细胞增殖的过程。随着年龄的增长,衰老细胞在人体组织中积累,包括前列腺。这些衰老细胞的功能发生了改变,包括促炎细胞因子的表达增加,从而改变邻近细胞的功能。我们的初步数据强烈支持细胞衰老对BPH/LUTS有重要作用的概念。本提案的目的是描述细胞衰老促进良性前列腺增生的机制,并通过旁分泌作用和/或机械阻塞诱导膀胱的变化。提出了三个目标。在目的1中,我们将确定衰老相关的细胞因子在BPH上皮中是否上调,以及它们的水平是否与其他衰老标志物的水平相关,并表征BPH上皮和邻近上皮(腺泡周围基质)中细胞因子和生长因子的上调。在这个目标中,我们将验证我们关于上皮衰老在BPH中的作用的假设,并得出BPH/LUTS中潜在重要的细胞因子/生长因子的综合列表。在目标2中,我们将探索使用我们小组开发的几种新颖的、高度可处理的模型的效用,以检查特定细胞因子对上皮/基质相互作用背景下细胞生长和细胞表型的影响。在Aim 3中,我们将利用几种前列腺启动子特异性转基因小鼠模型来研究前列腺炎症细胞因子在诱导细胞改变中的可能作用

项目成果

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Michael M Ittmann其他文献

Michael M Ittmann的其他文献

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{{ truncateString('Michael M Ittmann', 18)}}的其他基金

PDX Core
PDX核心
  • 批准号:
    9627117
  • 财政年份:
    2018
  • 资助金额:
    $ 15.65万
  • 项目类别:
Highly specific targeting of the TMPRSS2/ERG fusion gene in prostate cancer
TMPRSS2/ERG 融合基因在前列腺癌中的高度特异性靶向
  • 批准号:
    8732393
  • 财政年份:
    2014
  • 资助金额:
    $ 15.65万
  • 项目类别:
Highly specific targeting of the TMPRSS2/ERG fusion gene in prostate cancer
TMPRSS2/ERG 融合基因在前列腺癌中的高度特异性靶向
  • 批准号:
    9487872
  • 财政年份:
    2014
  • 资助金额:
    $ 15.65万
  • 项目类别:
A novel oncogenic axis in African American prostate cancer
非裔美国人前列腺癌的新致癌轴
  • 批准号:
    10158403
  • 财政年份:
    2014
  • 资助金额:
    $ 15.65万
  • 项目类别:
A novel oncogenic axis in African American prostate cancer
非裔美国人前列腺癌的新致癌轴
  • 批准号:
    10455444
  • 财政年份:
    2014
  • 资助金额:
    $ 15.65万
  • 项目类别:
Mechanisms of Cytokine Induced Lower Urinary Track Pathology
细胞因子诱导下尿路病理学机制
  • 批准号:
    8566162
  • 财政年份:
    2012
  • 资助金额:
    $ 15.65万
  • 项目类别:
Mechanisms of Cytokine Induced Lower Urinary Track Pathology
细胞因子诱导下尿路病理学机制
  • 批准号:
    8445575
  • 财政年份:
    2012
  • 资助金额:
    $ 15.65万
  • 项目类别:
Role of FGFR1 signaling in distinct cell lineages in prostate cancer progresssion
FGFR1 信号在不同细胞谱系中在前列腺癌进展中的作用
  • 批准号:
    8137691
  • 财政年份:
    2009
  • 资助金额:
    $ 15.65万
  • 项目类别:
Role of FGFR1 signaling in distinct cell lineages in prostate cancer progresssion
FGFR1 信号在不同细胞谱系中在前列腺癌进展中的作用
  • 批准号:
    8334481
  • 财政年份:
    2009
  • 资助金额:
    $ 15.65万
  • 项目类别:
Cellular Senescence in the Pathogenesis of Benign Prostatic Hyperplasia
良性前列腺增生发病机制中的细胞衰老
  • 批准号:
    8046455
  • 财政年份:
    2009
  • 资助金额:
    $ 15.65万
  • 项目类别:

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