… In a study, tolerance was induced in rats by subcutaneous implantation of slow-release …
B-FNA selective MOR antagonist in morphine-dependent brain slices but accrued in the normal …

… magnesium-induced hyperexcitability in rat hippocampal slices. … of morphine and the
endogenous opioids: involvement and interactions of multiple opiate and non-opiate systems. Brain …

… Coronal slices containing the VTA were sectioned at a … the production of endogenous 2-AG
on sustained morphine-induced … Our results showed that rats receiving sustained morphine …

… The paired pulse ratio (PPR) in inter stimulus intervals (ISI) of 80 ms in the morphine treated
… the PPR in morphine treated rats. Our results suggest that morphine exposure modulates …

… In each group morphine was applied to at least six brain slices. … The endogenous opioids
and icv morphine stimulate only a … in rats by subcutaneous implant of pellets of morphine over 8 …

… Brain endogenous morphine biosynthesis was reported to be impaired in PD patients and
exogenous morphine … of low doses of morphine in 6-OHDA-induced rat PD model and several …

… The brain tissues were collected and fixed. Transverse brain sections were obtained and
processed as described previously for immunofluorescence assay. Sections were incubated in …

… ; the brain was removed and cut coronally in 50-μm sections … 2B) experiments was verified
according to the rat brain atlas [… be inhibited by endogenous GABA [29] and morphine can …

… , we established a rat model of morphine-induced … rats with morphine-induced hyperalgesia
and tolerance. Comparing with control group (n = 6), the group (n = 6) of rats with morphine-…

… was to examine changes in brain oxygen in freely moving rats induced by morphine, the oldest
opiate … structures that are involved in pain, nociception, and the functions of endogenous …