Title : Influences of calcitonin gene-related peptide on mu opioid receptors in nucleus accumbens neurons of rats.

Pub. Date : 2013 Apr

PMID : 23211530






5 Functional Relationships(s)
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1 However, addition of 20muM monensin 1h before CGRP treatment significantly blocked the action of CGRP on surface MORs. Morphine calcitonin-related polypeptide alpha Rattus norvegicus
2 In living animals, microinjection of CGRP (1nmol in 1mul) into the NAc partially restored morphine antinociception in morphine-tolerant rats, and the effect of CGRP on surface MORs extended beyond normal NAc neurons to chronic morphine-treated NAc neurons. Morphine calcitonin-related polypeptide alpha Rattus norvegicus
3 In living animals, microinjection of CGRP (1nmol in 1mul) into the NAc partially restored morphine antinociception in morphine-tolerant rats, and the effect of CGRP on surface MORs extended beyond normal NAc neurons to chronic morphine-treated NAc neurons. Morphine calcitonin-related polypeptide alpha Rattus norvegicus
4 In living animals, microinjection of CGRP (1nmol in 1mul) into the NAc partially restored morphine antinociception in morphine-tolerant rats, and the effect of CGRP on surface MORs extended beyond normal NAc neurons to chronic morphine-treated NAc neurons. Morphine calcitonin-related polypeptide alpha Rattus norvegicus
5 To conclude, these results demonstrate that CGRP can act on MORs and increase the number of surface MORs in NAc neurons, partially explaining the involvement of opioid receptors in CGRP-induced antinociception in the rat NAc. Morphine calcitonin-related polypeptide alpha Rattus norvegicus