… receptors in different rat brain regions, we used competition curves with four selective antagonists,
at … Himbacine and methoctramine were shown to discriminate two muscannic receptor …

… receptors in the central airways are comprised of both M2 and M3 receptors since AF-DX
116, an M2-selective antagonist… HHSiD, an M3-selective antagonist bound with high affinity to …

… The cloned receptor subtypes from rat (AT,A and AT|B) and transfected human ATi receptors
have similar affinity for AT,-selective antagonists'61. The rat AT2 receptor has been cloned …

… Subtypes of the mu, delta and kappa receptors have also been proposed(Pasternak and …
Receptor-selective antagonists have played a prom-inent role in distinguishing these receptors…

… The first aim was to assess in the anaesthetised rat model of coronary artery ligation, the …
receptor antagonists exhibiting some degree of selectively for the three main opioid receptor …

… These findings support APATs as the first potent, orally effective selective antagonists at β
3 ‐… underlie inhibition of colonic motility and brown adipose tissue thermogenesis in rats …

… The antagonists PSB-36 (A 1 ), preladenant (A 2A ), and PSB-603 (A 2B ) displayed high …
as a selective A 3 AR antagonist in human and rat, but is only moderately selective in mouse. …

… selectively and potently inhibit the central effects of classic benzodiazepines by acting as their
antagonists at benzodiazepine receptors… per kg ip and 6,000 mg per kg po in rats. In mice, …

… selective A2 antagonist. In contrast, as a radioligand it labeled rat brain AI -adenosine receptors
… The triazoloquinoxaline CP 66, 713 has been used in vivo as a A2a selective antagonist …

… selective 5HT 2B receptor antagonists has been identified based upon yohimbine, with SAR
studies resulting in a 1000-fold increase in 5HT 2B receptor … -carboline antagonists are able …