Discrimination of angiotensin II receptor subtype distribution in the rat brain using non-peptidic receptor antagonists

The non-peptidic angiotensin II receptor subtype selective antagonists, DuP 753 and PD123177, were used to characterize angiotensin II receptor binding sites in the rat brain. Competitive receptor autoradiography with 125I-Sar 1-Ile 8 angiotensin II defined a regional distribution of binding sites t...

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Veröffentlicht in:Regulatory peptides 1991-03, Vol.33 (1), p.45-53
Hauptverfasser: Rowe, Brian P., Grove, Kevin L., Saylor, David L., Speth, Robert C.
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container_end_page 53
container_issue 1
container_start_page 45
container_title Regulatory peptides
container_volume 33
creator Rowe, Brian P.
Grove, Kevin L.
Saylor, David L.
Speth, Robert C.
description The non-peptidic angiotensin II receptor subtype selective antagonists, DuP 753 and PD123177, were used to characterize angiotensin II receptor binding sites in the rat brain. Competitive receptor autoradiography with 125I-Sar 1-Ile 8 angiotensin II defined a regional distribution of binding sites that were sensitive to either DuP 753 (designated AII α subtype) or PD123177 (designated AII β subtype). Whereas most brain nuclei could be assigned to a category containing a predominant subtype, a multiple receptor subtype analysis indicated that some regions are homogeneous, while others contain a mixture of both AII α and AII β subtypes.
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Angiotensin II - metabolism
Angiotensin II receptor
Angiotensin Receptor Antagonists
Animals
Binding, Competitive
Biological and medical sciences
Brain - metabolism
Brain Chemistry - drug effects
Cell Nucleus - drug effects
Cell Nucleus - metabolism
Central nervous system
Central neurotransmission. Neuromudulation. Pathways and receptors
DuP 753
Fundamental and applied biological sciences. Psychology
Imidazoles - pharmacology
Losartan
Male
PD123177
Pyridines - pharmacology
Rat brain
Rats
Rats, Inbred Strains
Receptor autoradiography
Receptor subtype
Receptors, Angiotensin - classification
Receptors, Angiotensin - metabolism
Tetrazoles - pharmacology
Vertebrates: nervous system and sense organs
title Discrimination of angiotensin II receptor subtype distribution in the rat brain using non-peptidic receptor antagonists
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