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Inhibition of calcium channels by opioid- and adenosine-receptor agonists in neurons of the nucleus accumbens

Chieng, Billy; Bekkers, John


1. The pharmacological effects of opioid- and adenosine-receptor agonists on neural signalling were investigated by measuring drug actions on barium current flowing through calcium channels in acutely-dissociated neurons of the rat nucleus accumbens (NAc). 2. Under whole-cell voltage clamp, opioids acted via μ, but not δ or κ, receptors to partially inhibit barium current. Mean inhibition was 35±2% (± s.e.mean, n= 33) for methionine-enkephalin and 37 ± 1% (n = 65) for the selective μ receptor...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: British Journal of Pharmacology


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