BW-A522 blocks adenosine A3 receptor-mediated hypotensive responses in the rat.

Abstract:

:The effects of 3-(3-iodo-4-aminobenzyl)-8-(4-oxyacetate)-1-propylxanthine (I-ABOPX; BW-A522), which has nanomolar affinity for the recently cloned human and sheep adenosine A3 receptor, on the putative A3 receptor mediated hypotensive response to N6-2-(4-aminophenyl)ethyl adenosine (APNEA) in the rat have been investigated. Following blockade of A1 and A2 receptors with 8-(p-sulphophenyl)theophylline, BW-A522, 10 and 40 mg/kg i.v., blocked dose-dependently and surmountable the hypotensive response to APNEA. The results provide direct evidence of an A3 receptor in the cardiovascular system of the rat which induces hypotension when activated.

journal_name

Eur J Pharmacol

authors

Fozard JR,Hannon JP

doi

10.1016/0014-2999(94)90604-1

subject

Has Abstract

pub_date

1994-02-03 00:00:00

pages

R5-6

issue

2

eissn

0014-2999

issn

1879-0712

pii

0014-2999(94)90604-1

journal_volume

252

pub_type

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