“However, following the treatment of morphine with melatonin , the MPAE% was reduced only about 30%, comparing with those that received saline treatment as control.”
“These increased levels of expression of PKCγ and NR1 were significantly inhibited by co-administration of morphine with melatonin.”
“This morphine-induced mechanical and thermal hyperalgesia were greatly attenuated by co-administration of morphine with melatonin.”