Angiotensin II receptor subtypes in the rat brain

作者: Brian P. Rowe , Kevin L. Grove , David L. Saylor , Robert C. Speth

DOI: 10.1016/0014-2999(90)90457-H

关键词: Peptide hormoneAngiotensin receptorBinding siteEndocrinologyBiologyRenin–angiotensin systemAngiotensin IIIn vitroAntagonistdupInternal medicine

摘要: Abstract The non-peptide angiotensin II (AII) receptor subtype selective antagonist, DuP 753, was used to characterize AII binding sites in the rat brain. 753 competed for specific 125 I-[Sar 1 , Ile 8 ]AII ( I-SIAII) many brain nuclei (IC 50 = 20−30 nM), but a weak competitor at remaining > 10 −4 M). sensitive (designated α subtype) correspond with areas where is inhibited by sulfhydryl reducing agents, whereas insensitive (AII β ) not agents.

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