Dynorphin A-(1-13) attenuates withdrawal in morphine-dependent rats: effect of route of administration.


Rats were made tolerant to morphine by subcutaneous implantation of morphine alkaloid pellets. Three days after pellet implantation, withdrawal was induced by pellet removal and was assessed 6 h later. Immediately prior to withdrawal assessment, rats were injected with dynorphin A-(1-13) either i.th. (via a catheter), i.c.v. (via a cannula) or i.v. (via the… (More)


  • Presentations referencing similar topics