BCG in Endogeneous and Exogenous Antigen-Induced T Cell
内源性和外源性抗原诱导 T 细胞中的卡介苗
基本信息
- 批准号:6803502
- 负责人:
- 金额:$ 14.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-09-30 至 2006-07-31
- 项目状态:已结题
- 来源:
- 关键词:Bacillus Calmette Guerin vaccineMycobacterium bovisautoantigensautoimmune disorderbiotechnologybiotherapeutic agentdisease /disorder modelgenetically modified animalshelper T lymphocyteimmunomodulatorsimmunopathologyimmunotherapyinflammationinterstitial cystitislaboratory mouseneurogenic urinary bladder disordernonhuman therapy evaluationovalbumintransfectionurinary bladder epitheliumurinary tract disorder chemotherapyurinary tract pharmacology
项目摘要
DESCRIPTION (provided by applicant):
The purpose of this project is to create antigen-induced T helper (Th) polarized bladder inflammation models to mimic the postulated pathogenesis of interstitial cystitis (IC) and investigate the potential effect of the Bacillus Calmette-Guerin (BCG) vaccine on treating the disease in these models. The long-term goal is to develop effective treatment strategies to combat IC. Towards achieving these goals, three specific aims will be undertaken:
Specific Aim 1: To create an exogenous antigen-induced bladder inflammation model to determine the role of systemic Thl and Th2 immune polarization in the development of bladder inflammation. To create this model, T helper cells will be isolated from transgenic mice (termed OT-II) that express Th cells specific for the ovalbumin (OVA) antigen. These Th cells will be differentiated in the laboratory into Thl or Th2 subsets, and adoptively transferred into genetically compatible mice. Cystitis will be induced in the recipient mice by instilling OVA directly into the bladder. This model will particularly lend itself to studies on acute inflammation.
Specific Aim 2. To establish a bladder autoimmune disease model by creating a novel transgenic mouse strain that expresses OVA as a "self" antigen via promoter-specific production by the urothelium and to determine the role of the Th immune polarization in the development of this disease. This transgenic mouse strain (termed URO-OVA) will be genetically engineered with DNA containing a bladder-specific promoter and the gene for OVA. An autoimmune form of cystitis will be developed in these URO-OVA mice by adoptive transfer of polarized OT-II Th cells. This model particularly lends itself to studies on chronic inflammation.
Specific Aim 3. To assess the therapeutic effect of BCG in antigen-induced bladder inflammation. BCG will be evaluated for its effect on treating Th2 polarized cystitis (the hypothesized type responsible for IC) in both exogenous and endogenous antigen-induced cystitis models. BCG is predicted to shift the diseased Th2 immune state back to a favorable Th1 state. Successful completion of this study will establish the pathological and immunological characteristics for both Th1 and Th2 type cystitis, shed light on BCG's effect on treating this disease, and aid in the future development of prevention and treatment strategies for IC and other painful bladder conditions.
描述(由申请人提供):
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)
专利数量(0)
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{{ truncateString('YI LUO', 18)}}的其他基金
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Validation in Transgenic Animal Models of Clinical Correlates of IC/PBS
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8626530 - 财政年份:2013
- 资助金额:
$ 14.75万 - 项目类别:
The Impact of Bowel Inflammation on Local Cystitis
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- 批准号:
7571854 - 财政年份:2008
- 资助金额:
$ 14.75万 - 项目类别:
BCG in Endogeneous and Exogenous Antigen-Induced T Cell
内源性和外源性抗原诱导 T 细胞中的卡介苗
- 批准号:
6932293 - 财政年份:2003
- 资助金额:
$ 14.75万 - 项目类别:
BCG in Endogeneous and Exogenous Antigen-Induced T Cell
内源性和外源性抗原诱导 T 细胞中的卡介苗
- 批准号:
6711545 - 财政年份:2003
- 资助金额:
$ 14.75万 - 项目类别:
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