INTRACELLULAR PROCESSING OF RAT KIDNEY RENIN

大鼠肾肾素的细胞内加工

基本信息

  • 批准号:
    3080980
  • 负责人:
  • 金额:
    $ 8.78万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    1993
  • 资助国家:
    美国
  • 起止时间:
    1993-06-01 至 1998-05-31
  • 项目状态:
    已结题

项目摘要

The physiologic importance of the renin-angiotensin system (RAS) in maintaining cardiovascular homeostasis is undisputed. Recent observations have expanded the traditional views of the morphology and function of renin-secreting cells. A) Two distinct renal cell types, epithelioid juxtaglomerular cells (JG cells) and distal afferent arteriolar smooth muscle cells, are known to contain and secrete renin. B) The renin angiotensin system has local and systemic actions in controlling cardiovascular homeostasis. C) Renin isoforms with differing metabolic half lives have been identified. The working hypothesis is that JG cells and distal afferent arteriolar cells contain and secrete different renin isoforms. Through these differences the two cell types may contribute in distinct ways to regulation of vascular homeostasis. The long term goal of this proposal is to define the secretory patterns and renin isoforms of unstimulated and stimulated renin release in rat kidney JG cells and distal afferent arteriolar cells. In this proposal, Dr. Norling will apply cell biology techniques of pulse chase analysis of secretion for studying renin secretion in two renin- containing cell types from rat kidney. Renin isoforms from these cells will be characterized and compared. From these experiments it is expected that Dr. Norling will find that JG cells and distal afferent arteriolar cells have renin processing capabilities which are cell-type specific. This information will help to expand the understanding of RAS regulation of vascular tone.
肾素-血管紧张素系统(RAS)的生理重要性

项目成果

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LAURA L NORLING其他文献

LAURA L NORLING的其他文献

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{{ truncateString('LAURA L NORLING', 18)}}的其他基金

INTRACELLULAR PROCESSING OF RAT KIDNEY RENIN
大鼠肾肾素的细胞内加工
  • 批准号:
    2133722
  • 财政年份:
    1993
  • 资助金额:
    $ 8.78万
  • 项目类别:
INTRACELLULAR PROCESSING OF RAT KIDNEY RENIN
大鼠肾肾素的细胞内加工
  • 批准号:
    2133721
  • 财政年份:
    1993
  • 资助金额:
    $ 8.78万
  • 项目类别:
INTRACELLULAR PROCESSING OF RAT KIDNEY RENIN
大鼠肾肾素的细胞内加工
  • 批准号:
    2133720
  • 财政年份:
    1993
  • 资助金额:
    $ 8.78万
  • 项目类别:
INTRACELLULAR PROCESSING OF RAT KIDNEY RENIN
大鼠肾肾素的细胞内加工
  • 批准号:
    3080981
  • 财政年份:
    1993
  • 资助金额:
    $ 8.78万
  • 项目类别:
CALCIUM AND CALMODULIN-DEPENDENT PROTEIN KINASE
钙和钙调蛋白依赖性蛋白激酶
  • 批准号:
    3031456
  • 财政年份:
    1985
  • 资助金额:
    $ 8.78万
  • 项目类别:
LOCALIZE & CHARACTERIZE RENIN ISOFORMS IN RAT KIDNEY TISSUE
本地化
  • 批准号:
    3890406
  • 财政年份:
  • 资助金额:
    $ 8.78万
  • 项目类别:

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