Title : Melatonin prevents morphine-induced hyperalgesia and tolerance in rats: role of protein kinase C and N-methyl-D-aspartate receptors.

Pub. Date : 2015

PMID : 25745356






3 Functional Relationships(s)
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1 Administration of morphine alone resulted in significantly increased expression of PKCgamma and NR1 proteins in the spinal cord. Morphine protein kinase C, gamma Rattus norvegicus
2 These increased levels of expression of PKCgamma and NR1 were significantly inhibited by co-administration of morphine with melatonin. Morphine protein kinase C, gamma Rattus norvegicus
3 CONCLUSIONS: Our findings demonstrate that melatonin have potential to attenuate repetitive morphine-induced hyperalgesia and tolerance, possibly by inhibiting PKCgamma and NR1 activities in the spinal cord. Morphine protein kinase C, gamma Rattus norvegicus