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The peptidase-resistance and bioavailability of BUBU [H-Tyr-D.Ser(OtBu)-Gly-Phe-Leu-Thr(OtBu)-OH], a highly selective and potent agonist of the delta opioid receptor, have been investigated in vitro(More)
The present study was designed to test the possible existence of changes in brain cannabinoid receptors in morphine-dependent mice. To this end, we compared cannabinoid receptor binding and WIN(More)
Cholecystokinin (CCK) and enkephalins appear to be colocalized in several brain structures, and a physiological interaction between these peptides has been suggested by a large number of(More)