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Discover Supplement-Drug Interactions
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Last Updated: 3 years ago
Research Papers that Mention the Interaction
“ Yohimbine and CH-38083 prevented, while prazosin reduced, the inhibitory effects of L-noradrenaline or alpha-methylnoradrenaline on the release of radioactivity.”
Presynaptic α
2-adrenoceptors exclusively sensitive to agonists of phenylethylamine structure on the sympathetic nerves of the human gall bladder artery“As an additional control, one group of animals was pretreated with alpha2-receptor blocker, yohimbine , before injection of alphaMNE.”
alpha-Methylnorepinephrine, a selective alpha2-adrenergic agonist for cardiac resuscitation.“Microinjections of alpha-methylnoradrenaline and tyramine into the rat nucleus tractus solitarii (NTS) potentiated the depressor and bradycardiac responses to aortic nerve stimulation whereas yohimbine injected similarly inhibited them.”
“The simultaneous blockade of alpha- and beta-adrenoceptors, i.e. propranolol (0.1 mumol/l) together with prazosin (0.01 mumol/l) or yohimbine (1 mumol/l), was required to abolish the enhancing effect of alpha-methylnoradrenaline.”
“ alpha-methylnorepinephrine (20 micrograms/kg) was reduced by both naloxone and yohimbine whereas alpha-methylnorepinephrine bradycardia was reduced by yohimbine but not by naloxone.”
“ alpha-Methylnorepinephrine produced a norepinephrine-like contraction of the hepatic venous bed which was blocked by yohimbine but not by prazosin.”
“Alpha 2-receptor blockade yohimbine ) but not the alpha 1-antagonist prazosin, partly abolished the effect of alpha-methylnorepinephrine.”
“The alpha 2-agonists clonidine, alpha-methylnorepinephrine and guanabenz also hyperpolarized terminals, causing a change in potential that was reduced by yohimbine and piperoxan.”
“The alpha adrenoceptor antagonists, thymoxamine, piperoxan and yohimbine , antagonized the inhibitory effects of alpha-MNA in spontaneously-active preganglionic neurones and neurones activated by visceral afferents.”
“However, only alpha-methylnoradrenaline decreased the noradrenaline release rate and the plasma noradrenaline and adrenaline levels, effects which were blocked by yohimbine.”
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