{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T08:21:27Z","timestamp":1791274887000,"version":"4.1.0"},"reference-count":53,"publisher":"SAGE Publications","issue":"10","license":[{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Psychopharmacol"],"published-print":{"date-parts":[[2013,10]]},"abstract":"<jats:p>\n                    The putative antidepressant captodiamine is a 5-HT\n                    <jats:sub>2c<\/jats:sub>\n                    receptor antagonist and agonist at sigma-1 and D\n                    <jats:sub>3<\/jats:sub>\n                    dopamine receptors, exerts an anti-immobility action in the forced swim paradigm, and enhances dopamine turnover in the frontal cortex. Captodiamine has also been found to ameliorate stress-induced anhedonia, reduce the associated elevations of hypothalamic corticotrophin-releasing factor (CRF) and restore the reductions in hypothalamic BDNF expression. Here we demonstrate chronic administration of captodiamine to have no significant effect on hypothalamic CRF expression through sigma-1 receptor agonism; however, both sigma-1 receptor agonism or 5-HT\n                    <jats:sub>2c<\/jats:sub>\n                    receptor antagonism were necessary to enhance BDNF expression. Regulation of BDNF expression by captodiamine was associated with increased phosphorylation of transcription factor CREB and mediated through sigma-1 receptor agonism but blocked by 5-HT\n                    <jats:sub>2c<\/jats:sub>\n                    receptor antagonism. The existence of two separate signalling pathways was confirmed by immunolocalisation of each receptor to distinct cell populations in the paraventricular nucleus of the hypothalamus. Increased BDNF induced by captodiamine was also associated with enhanced expression of synapsin, but not PSD-95, suggesting induction of long-term structural plasticity between hypothalamic synapses. These unique features of captodiamine may contribute to its ability to ameliorate stress-induced anhedonia as the hypothalamus plays a prominent role in regulating HPA axis activity.\n                  <\/jats:p>","DOI":"10.1177\/0269881113497614","type":"journal-article","created":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T23:53:32Z","timestamp":1374105212000},"page":"930-939","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":18,"title":["Captodiamine, a putative antidepressant, enhances hypothalamic BDNF expression in vivo by synergistic 5-HT\n                    <sub>2c<\/sub>\n                    receptor antagonism and sigma-1 receptor agonism"],"prefix":"10.1177","volume":"27","author":[{"given":"Rebecca M","family":"Ring","sequence":"first","affiliation":[{"name":"School of Biomolecular and Biomedical Science, University College Dublin, Dublin, 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