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Sites of hormone action in the mammalian nephron

Morel, F.·1981·American Journal of Physiology-Renal Physiology

Abstract

Hormone-dependent adenylate cyclase activity was measured separately in the different nephron portions by combining the microdissection of collagenase-treated rabbit kidneys and the use of a single tubule enzyme microassay. The results obtained in the rabbit for vasopressin, parathyroid hormone, calcitonin, and isoproterenol are given and discussed. Each hormone stimulated adenylate cyclase activity in several well-localized segments of tubule according to a highly specific and reproducible pattern. Sharp transitions were generally noted between responsive and unresponsive nephron portions. In the rat kidney, the functional segmentation of the distal convoluted tubule was not as clearly delineated as in the rabbit kidney. Various nephron segments of the rat kidney were observed to contain glucagon-sensitive adenylate cyclase activity. When the results obtained for vasopressin are compared in rabbit, rat, mouse, and human kidneys, species differences are noted with respect to the responsiveness to arginine vasopressin in the medullary portion of thick ascending limbs of Henle's loops. It is concluded that biochemical approaches can be used as a means of investigating problems dealing with kidney physiology very near the cell level.

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Metadata

Authors
Morel, F.
Venue
American Journal of Physiology-Renal Physiology
Published
1981-03-01
Volume
240
Issue
3
Pages
F159-F164
ISSN
  • 1522-1466 (ISSN-L)
  • 1931-857X
OpenAlex
W2333655928
Cited by
312
References
0
FWCI
7.78
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Sites of hormone action in the mammalian nephron. https://app.cochat.ai/papers/10.1152/ajprenal.1981.240.3.f159
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Morel, F. (1981). Sites of hormone action in the mammalian nephron. American Journal of Physiology-Renal Physiology. https://doi.org/10.1152/ajprenal.1981.240.3.f159

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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