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Keeping in mind the increased pain complaints reported in anxious or depressive patients, our goal was to investigate in rats the consequences of an experimentally provoked state of anxiety/depression on pain behavior and on its underlying mechanisms. We therefore used a model of social defeat consisting of a 30 min protected confrontation followed by a 15(More)
The involvement of cholecystokinin (CCK) in the potential anxiolytic-like effects of melatonin and of the antitumor MT(1/2) receptor agonist, S23478, was assessed by measuring the cortical outflow of CCK-like material (CCKLM) in a rat model of anticipation of social defeat. After repeated social defeats by a male Tryon Maze Dull (TMD) rat, Sprague-Dawley(More)
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