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Angiotensin II Receptor Subtypes in the Rat Brain

The non-peptide angiotensin II (AII) receptor subtype selective antagonist, DuP 753, was used to characterize AII receptor binding sites in the rat brain. DuP 753 competed for specific 125I-[Sar1, Ile8]AII (125I-SIAII) binding in many brain nuclei (IC50 = 20-30 nM), but was a weak competitor at remaining sites (IC50 > 10-4 M). DuP 753 sensitive binding sites (designated AIIα subtype) correspond with areas where binding is inhibited by sulfhydryl reducing agents, whereas DuP 753 insensitive sites (AIIβ) correspond with areas where binding is not inhibited by sulfhydryl reducing agents.

Identiferoai:union.ndltd.org:ETSU/oai:dc.etsu.edu:etsu-works-12953
Date21 September 1990
CreatorsRowe, Brian P., Grove, Kevin L., Saylor, David L., Speth, Robert C.
PublisherDigital Commons @ East Tennessee State University
Source SetsEast Tennessee State University
Detected LanguageEnglish
Typetext
SourceETSU Faculty Works

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