期刊
PROGRESS IN NEURO-PSYCHOPHARMACOLOGY & BIOLOGICAL PSYCHIATRY
卷 65, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pnpbp.2015.10.008
关键词
Selenium; Antidepressant-like; Organoselenium
资金
- Coordenacao de Aperfeicoamento de Pessoal de nivel Superior (CAPES)
- CNPq [446455/2014-8, 306824/2013-2]
- FAPERGS [2012-2551/13-8]
Depression is one of the most commonly diagnosed neuropsychiatric disorders and several studies have demonstrated a role for selenium in mood disorders. For this reason, the present study investigated the role of the monoaminergic system in the antidepressant-like action of (octylseleno)-xylofuranoside (OSX), an organoselenium compound, in the tail suspension test (TST) in mice. For this purpose, OSX (0.001-10 mg/kg) was administered orally (p.o.) 30 min prior to testing, and all of the tested doses reduced the immobility time in the TST without changing the locomotor activity measured in the open field test (OFT). Furthermore, the antidepressant-like effect of OSX (0.01 mg/kg, p.o.) in the TST was prevented by pre-treatment in mice with ketanserin (1 mg/kg, intraperitoneal route (i.p.); a 5-HT2A/2C receptor antagonist), WAY100635 (0.1mg/kg, subcutaneous (s.c.); a selective 5-HT1A receptor antagonist), p-chlorophenylalanine methyl ester-PCPA (100mg/kg, i.p.; a selective inhibitor of tryptophan hydroxylase), prazosin (1 mg/kg, i.p.; an alpha(1)-adrenoceptor antagonist), yohimbine (1 mg/kg, i.p.; an alpha(2)-adrenoceptor antagonist), SCH233390 (0.05 mg/kg, s.c., a dopaminergic D-1 receptor antagonist) and sulpiride (50 mg/kg, i.p., a dopaminergic D-2 receptor antagonist), but not with ondansetron (1 mg/kg, i.p.; a selective 5-HT3 receptor antagonist). Taken together, these data demonstrate that OSX has a potent antidepressant-like effect in TST at lower doses (0.001-10 mg/kg), which is dependent on its interaction with the serotonergic, noradrenergic and dopaminergic systems. (C) 2015 Elsevier Inc. All rights reserved.
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