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Cited by 283

The DOI matches its Crossref record; 20 of the 20 references it cites were found in a registry or an index.

Segmental effects of norepinephrine and angiotensin II on isolated renal microvessels

Edwards, R. M.·1983·American Journal of Physiology-Renal Physiology
DOI 10.1152/ajprenal.1983.244.5.f526
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Abstract

Interlobular arteries and superficial afferent and efferent arterioles were isolated from rabbit kidney, and the effects of intraluminal pressure, norepinephrine (NE), and angiotensin II (ANG II) on lumen diameter were examined. A single microvessel was dissected and one end was cannulated. The other end of the vessel was occluded and lumen diameter was measured at fixed intraluminal pressures. With step increases in intraluminal pressure over the range of 70-180 mmHg, lumen diameters of the interlobular arteries and afferent arterioles remained constant or decreased by up to 11%. In contrast, lumen diameters of efferent arterioles continued to increase as intraluminal pressure was elevated. In all three vessels NE (10(-9) to 10(-5) M) caused a dose-dependent decrease in lumen diameter. However, only the efferent arteriole responded to ANG II (10(-12) to 10(-8) M). The contractile response of the efferent arteriole to NE or ANG II was localized to the first 50-75 micrometers of the vessel as it emerged from the glomerulus. This finding suggests that smooth muscle cells are located only in this portion of the efferent arteriole. It is concluded that at least part of the autoregulation of renal blood flow can be explained by a myogenic mechanism in preglomerular vessels and that ANG II acts primarily on postglomerular segments of the rabbit renal microcirculation.

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Metadata

Authors
Edwards, R. M.
Venue
American Journal of Physiology-Renal Physiology
Publisher
American Physiological Society
Published
1983-05-01
Volume
244
Issue
5
Pages
F526-F534
ISSN
  • 1522-1466 (ISSN-L)
  • 1931-857X
DOI
10.1152/ajprenal.1983.244.5.f526
OpenAlex
W2417862359
Cited by
283
References
20
FWCI
8.83
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Segmental effects of norepinephrine and angiotensin II on isolated renal microvessels. https://app.cochat.ai/papers/10.1152/ajprenal.1983.244.5.f526
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Edwards, R. M. (1983). Segmental effects of norepinephrine and angiotensin II on isolated renal microvessels. American Journal of Physiology-Renal Physiology. https://doi.org/10.1152/ajprenal.1983.244.5.f526

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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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