Opiate receptor binding and analgesic effects of the tetrahydroisoquinolines salsolinol and tetrahydropapaveroline.


Salosolinol and tetrahydropapaveroline bind to opiate receptors in rat brain with affinities of 6.2 and 1.95 x 10(-5)M respectively. Their ability to displace 3H-naloxone is decreased about 4-fold by 100 mM sodium ion. Both of these agents have antinociceptive effects when given to rats intraventricularly. Their potency is comparable to the enkephalins, and… (More)


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