João Neves

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The nucleus accumbens (NAc) contains high levels of neuropeptide Y (NPY), which is involved in the regulation of functions and behaviors that deteriorate with aging. We sought to determine if aging alters NPY expression in this nucleus and, in the affirmative, if those changes are attributable to the cholinergic innervation of the NAc. The total number and(More)
UNLABELLED Patients with alcoholic chronic liver disease when treated with colchicine during a 12 month-period improved significantly the plasmatic levels of albumin and prothrombin when compared with a similar group of patients who took placebo. No differences in the mortality rate and in number of patients admitted at the hospital could be detected among(More)
The effects of the ibotenic acid infused into the area of the laterodorsal tegmental nucleus (LDT) of rats on the expression of cortical and accumbal neuropeptides were assessed. The effects of this manipulation were determined in the nucleus accumbens (NAc) and medial prefrontal cortex (mPFC) by estimating the numerical density of varicosities(More)
Neuropeptide Y (NPY)- and acetylcholine-containing interneurons of the nucleus accumbens (NAc) seem to play a major role in the rewarding effects of alcohol. This study investigated the relationship between chronic alcohol consumption and subsequent withdrawal and the expression of NPY and acetylcholine in the NAc, and the possible involvement of nerve(More)
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