… Dynorphins, a family of endogenous opioids related to the … DYN (1–13), which is known to
be a selective endogenous … analgesia when icv injected in rats naive to morphine [20]. The …

… -induced reward memory, via modulating the endogenous opioid system in the … brain areas
to suppress the craving and the motivation of drug seeking in morphine-induced CPP rats. …

… PAP immunostaining of morphine in rat brain: coronal sections of dorsal hippocampal
formation. The perikarya of hippocampal neurons appear surrounded by immunoreactive dot-like …

… signs of withdrawal in hippocampal slices from morphine-treated rats as shown by a lack of
… Brain slices from morphine-treated rats that were maintained in the absence of morphine …

… an endogenous descending inhibitory system(s). Focal electrical stimulation, glutamate
and … The brain sections were stained with Cresyl violet and the spinal cord sections with a …

… treatment, (Part I1 of this communication), two experimental set-ups-brain slices and
astroglia-enriched cultures were used to separate proteins synthesized within the cells and …

… morphine on the OT release from the SON organotypic slice in vitro, which had no connection
with other nuclei of the brain. … , suggests that the intrinsic inhibitory action of endogenous …

… under conditions of morphine tolerance and abstinence in rats. The results of this study
indicate that aminopeptidases, in addition to other components of the endogenous opioid system…

… from brain slices (43). Since the immunoreactive dermorphin has also been detected in rat
brain (44)… the concentration of endogenous morphine in several organs including the brain. A …

… medulla in the rat. However, the function of endogenous opioid peptides within the
medulla in pain modulation is unclear. In this study, bicuculline (30–50 ng) or morphine (5 μg) …