Multi-Disciplinary Approaches to Driving Therapeutic Human Beta Cell Replication
驱动治疗性人类β细胞复制的多学科方法
基本信息
- 批准号:8144434
- 负责人:
- 金额:$ 87.15万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-09-15 至 2015-06-30
- 项目状态:已结题
- 来源:
- 关键词:AdultAffectAmericanAnimalsAutomobile DrivingBeta CellCadaverCell CountCell CycleCell Cycle CheckpointCell Cycle RegulationCell TherapyCell physiologyCellsCellular biologyClinicalDataDiabetes MellitusGoalsHandHumanInsulinIslets of LangerhansKnowledgeLaboratoriesPathway interactionsPatientsPhenotypePhysiologyReagentRegulatory PathwayReplacement TherapyResearchResearch PersonnelResidual stateSafetySenior ScientistSourceStem cellsTherapeuticTreatment EfficacyWorkbeta cell replacementdiabetes mellitus therapyexperiencemembernovelpublic health relevancetechnology/technique
项目摘要
DESCRIPTION (provided by applicant): One of the principal goals of diabetes research is to generate a large and renewable supply of human insulin-producing beta cells for replacement therapy. Another is to understand how replacement or replenishment might be accomplished from endogenous, residual beta cells. One attractive and tractable approach is the induction of human beta cell replication, so that mature, differentiated human beta cells derived from endogenous sources, from cadaver pancreatic islets, or from the other sources (such as various types of stem cells or reprogrammed cells), might be expanded to numbers capable of treating large numbers of patients with diabetes. Whereas conventional dogma and widespread experience has suggested that adult human beta cells are terminally differentiated and cannot replicate, the investigators in this application have recently shown that this is not completely true. By manipulating cell cycle control, specifically the G1/S control checkpoint of the cell cycle, this group has shown that: a) human beta cells can be induced to replicate rapidly and still retain their differentiated, functional phenotype: and, b) that many direct and indirect, upstream options for human beta cell cycle activation exist. The goals of this application are to assemble a group of senior scientists who focus on all aspects of human beta cell biology and therapy, to facilitate and expedite human beta cell replication, differentiation and replacement strategies, and to share this expertise with the other members of the Beta Cell Biology Consortium (BCBC). The Specific Aims are: 1) To Fully Define The Normal Physiology, Mechanisms of Action, Therapeutic Efficacy and Safety of G1/S Cell Cycle Molecules In The Human Beta Cell. 2) To Explore the Regulatory Pathways Upstream Of The G1/S Checkpoint To Define Beta-Cell Specific Pathways To Activate Proliferation in Human Beta Cells. 3) To Share Knowledge, Data, Reagents, Animals, Technologies, and Techniques with Other BCBC Investigators. Data already in hand indicates that there are many novel ways to induce human beta cell replication, and that additional focus and refinement should help transform these approaches from laboratory bench research to human diabetes therapy.
PUBLIC HEALTH RELEVANCE: Diabetes affects some 27 million Americans, and results from deficient beta cell numbers and function. The investigative team has developed novel ways to induce robust human beta cell replication using endogenous cell cycle control molecules. The goals of this application are to define precisely how these molecules and their upstream regulators work, which are the best for therapeutic efforts, and how to transfer this knowledge to practical clinical paradigms.
描述(由申请人提供):糖尿病研究的主要目标之一是产生大量可再生的人类胰岛素产生β细胞,用于替代治疗。另一个是了解如何从内源性残留的β细胞中完成替代或补充。一种有吸引力且易于处理的方法是诱导人辟田胞复制,使得源自内源性来源、源自尸体胰岛或源自其他来源(例如各种类型的干细胞或重编程细胞)的成熟、分化的人辟田胞可扩增至能够治疗大量糖尿病患者的数量。尽管传统的教条和广泛的经验表明,成年人β细胞是终末分化的,不能复制,但本申请的研究人员最近表明,这并不完全正确。通过操纵细胞周期控制,特别是细胞周期的G1/S控制检查点,该小组已经表明:a)人β细胞可以被诱导快速复制,并且仍然保持其分化的功能表型;和,B)存在许多直接和间接的人β细胞周期激活的上游选择。该申请的目标是聚集一组专注于人类β细胞生物学和治疗各个方面的资深科学家,以促进和加快人类β细胞复制,分化和替代策略,并与β细胞生物学联盟(BCBC)的其他成员分享这一专业知识。具体目标是:1)充分定义G1/S细胞周期分子在人类β细胞中的正常生理学、作用机制、治疗功效和安全性。2)探索G1/S检查点上游的调控途径,以确定激活人β细胞增殖的β细胞特异性途径。3)与其他BCBC研究者分享知识、数据、试剂、动物、技术和技巧。已有的数据表明,有许多新的方法可以诱导人类β细胞复制,并且额外的关注和改进应该有助于将这些方法从实验室实验室研究转变为人类糖尿病治疗。
公共卫生相关性:糖尿病影响着大约2700万美国人,并导致缺乏β细胞数量和功能。研究小组已经开发出使用内源性细胞周期控制分子诱导强大的人类β细胞复制的新方法。本申请的目标是精确定义这些分子及其上游调节剂如何工作,这是最好的治疗努力,以及如何将这些知识转移到实际的临床范例。
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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ANDREW F. STEWART其他文献
ANDREW F. STEWART的其他文献
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{{ truncateString('ANDREW F. STEWART', 18)}}的其他基金
DREAM Complex Maintenance of Human Beta Cell Quiescence
DREAM 复合物维持人类 β 细胞静止
- 批准号:
10427406 - 财政年份:2021
- 资助金额:
$ 87.15万 - 项目类别:
DREAM Complex Maintenance of Human Beta Cell Quiescence
DREAM 复合物维持人类 β 细胞静止
- 批准号:
10267388 - 财政年份:2021
- 资助金额:
$ 87.15万 - 项目类别:
DREAM Complex Maintenance of Human Beta Cell Quiescence
DREAM 复合物维持人类 β 细胞静止
- 批准号:
10619645 - 财政年份:2021
- 资助金额:
$ 87.15万 - 项目类别:
Pancreatic Islet Growth Factors: Transgenic and Viral Modeling
胰岛生长因子:转基因和病毒模型
- 批准号:
8815293 - 财政年份:2012
- 资助金额:
$ 87.15万 - 项目类别:
Pancreatic Islet Growth Factors: Transgenic and Viral Modeling
胰岛生长因子:转基因和病毒模型
- 批准号:
8636445 - 财政年份:2012
- 资助金额:
$ 87.15万 - 项目类别:
Pancreatic Islet Growth Factors: Transgenic and Viral Modeling
胰岛生长因子:转基因和病毒模型
- 批准号:
8583716 - 财政年份:2012
- 资助金额:
$ 87.15万 - 项目类别:
Pancreatic Islet Growth Factors: Transgenic and Viral Modeling
胰岛生长因子:转基因和病毒模型
- 批准号:
8470622 - 财政年份:2012
- 资助金额:
$ 87.15万 - 项目类别:
Multi-Disciplinary Approaches to Driving Therapeutic Human Beta Cell Replication
驱动治疗性人类β细胞复制的多学科方法
- 批准号:
8636565 - 财政年份:2010
- 资助金额:
$ 87.15万 - 项目类别:
Multi-Disciplinary Approaches to Driving Therapeutic Human Beta Cell Replication
驱动治疗性人类β细胞复制的多学科方法
- 批准号:
8717646 - 财政年份:2010
- 资助金额:
$ 87.15万 - 项目类别:
Multi-Disciplinary Approaches to Driving Therapeutic Human Beta Cell Replication
驱动治疗性人类β细胞复制的多学科方法
- 批准号:
8316307 - 财政年份:2010
- 资助金额:
$ 87.15万 - 项目类别:
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