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Novel Therapeutic Strategies for PKD

Novel Therapeutic Strategies for PKD
多囊肾的新治疗策略
批准号:
6776388
负责人:
PATRICIA D. WILSON
金额:
$136.11万
依托单位国家:
美国
项目类别:
财政年份:
2003
资助国家:
美国
项目状态:
已结题
起止时间:
2003-08-01 至 2008-07-31

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项目成果

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中文摘要
翻译
多囊肾病(PKD)在美国影响超过50万患者,在全球影响600万患者,但唯一的“治疗”形式是通过透析或移植进行肾脏替代。最常见和最重要的肾脏畸形是遗传性的。常染色体显性(AD)PKD的发生率大于等于50%,占所有透析患者的7%以上,而常染色体隐性(AR)PKD的发生率大于等于50%,新生儿期死亡率大于等于50%,占儿童终末期肾衰竭病例的50%。本项目的总体目标是建立一个多学科团队,以发展和应用对多囊肾病的分子细胞和生理基础的新认识,以开发新的、合理的治疗方法。最终目标是开发预防和/或治疗方法,以减缓疾病进展,从而提供目前缺乏的治疗方法。来自医学部、儿科、泌尿外科、基因治疗研究所和癌症中心的医学科学家已经建立了一个从分子、细胞、生理、遗传和临床等多方面研究肾脏形态发生和畸形的关键群体,从而构成了一个基础和转化相结合的项目。这五个项目和两个核心将高度互动,并科学地整合在一个方案中,重点研究PKD 1基因产物多囊蛋白磷酸化的功能调控,项目1;多囊素- 1在控制肾脏形态发生中的作用,项目2;wtl靶蛋白“萌芽”在囊肾发育中的作用,项目3;项目4:ARPKD中钠钾转运分析;以及ARPKD中顶端EGF受体信号的功能后果,项目5。该中心将提供和开发病毒载体、肾细胞系和器官培养,以及转基因、基因敲除和其他小鼠模型。此外,该中心还将提供集中服务
英文摘要
Polycystic kidney diseases (PKD) affect greater than or equal too 500,000 patients in the US and > 6 million worldwide, but the only form of "therapy" is renal replacement by dialysis or transplantation. The most common and important renal malformations are genetic in origin. Autosomal dominant (AD)PKD has an incidence of greater than or equal too1:500 and accounts for greater than or equal too 7% of all patients on dialysis, while autosomal recessive (AR)PKD) has an incidence of greater than or equal too 1: 20,000 with a mortality of greater than or equal too50% in the newborn period and accounts for >5% cases of endstage renal failure in children. The overall goal of this program project is to establish a multidisciplinary team to develop and apply the expanding new understanding of the molecular cellular and physiological basis of polycystic kidney diseases to the development of novel, rational therapeutic approaches. The ultimate goal is to develop preventive and/or therapeutic treatments to slow disease progression and thus offer treatment that is at present lacking. Medical scientists from the Departments of Medicine, Pediatrics, Urology, Gene Therapy Institute and Cancer Center have established a critical mass with a multifaceted approach to study renal morphogenesis and malformations ranging from molecular, cellular, physiological, genetic and clinical approaches, thus constituting a combined basic and translational program. The five projects and two cores will be highly interactive and are scientifically integrated in a scheme that focuses on the regulation of the function of the PKD 1 gene product, polycystin by phosphorylation, Project 1; the role of polycystin- 1 in the control of renal morphogenesis, Project 2; the role of the WTl-target protein "sprouty" in cystic kidney devlopment, Project 3; the analysis of sodium and potassium transport in ARPKD, project 4; and the functional consequences of apical EGF receptor signalling in ARPKD, Project 5. The Core will provide and develop viral vectors, renal cell lines and organ cultures as well as transgenic, knock-out and other mouse models In addition, this Core will centralize services and functional assays including adhesion, migration, 3D gel tubulogenesis, embryonic mouse kidney organ culture and microinjections. These integrated studies will increase our understanding of the underlying biology of polycystic kidney diseases sufficiently to lead to testing of therapeutic approaches in human cells in vitro and mice in organ culture and in vivo by small molecule and/or gene therapy strategies.
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Role of Phosphorylation of Polycystin-1 in Renal Development and ADPKD
Administration
Role of Sprouty in the Regulation of Renal Development and Cystic Disease
Viral Vector, Cell Line, Tissue & Mouse Model Production, Validation & Processing
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