Charles E. Inturrisi

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Once daily s.c. administration of 5 mg/kg morphine, a mu-opioid agonist, or U50488H (U50), a kappa 1-opioid agonist, for 5 days in male CD-1 mice results in a 2-3-fold shift to the right of the(More)
Opioid peptides, Met5- and Leu5-enkephalin, are known endogenous ligands for the delta-opioid receptor (DOR) associated with opioid analgesia at the spinal level. To determine the cellular sites for(More)