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Effects of desipramine and tramadol in a chronic mild stress model in mice are altered by yohimbine but not by pindolol

Yalcin, Ipek ; Aksu, Fazilet ; Belzung, Catherine

European journal of pharmacology, 2005-05, Vol.514 (2), p.165-174 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
Effects of desipramine and tramadol in a chronic mild stress model in mice are altered by yohimbine but not by pindolol
Autor: Yalcin, Ipek ; Aksu, Fazilet ; Belzung, Catherine
Assuntos: Adrenergic alpha-Antagonists - pharmacology ; Adrenergic beta-Antagonists - pharmacology ; Analgesics, Opioid - pharmacology ; Animals ; Antidepressive Agents, Tricyclic - pharmacology ; Behavior, Animal - drug effects ; Biological and medical sciences ; Body Weight - drug effects ; Chronic Disease ; Desipramine ; Desipramine - pharmacology ; Disease Models, Animal ; Male ; Medical sciences ; Mice ; Mice, Inbred BALB C ; Motor Activity - drug effects ; Pharmacology. Drug treatments ; Pindolol ; Pindolol - pharmacology ; Stress, Physiological - prevention & control ; Tramadol ; Tramadol - pharmacology ; Unpredictable chronic mild stress ; Yohimbine ; Yohimbine - pharmacology
É parte de: European journal of pharmacology, 2005-05, Vol.514 (2), p.165-174
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
Descrição: This study investigated the antidepressant-like effects of a chronic treatment with either tramadol (20 mg/kg, i.p.) or desipramine (10 mg/kg, i.p.) in the unpredictable chronic mild stress model of depression in BALB/c mice. Mice were first submitted to a 2 week drug-free unpredictable chronic mild stress before the onset of the treatments. The unpredictable chronic mild stress regimen induced a degradation of the state of the coat and decreased the grooming behaviour in the splash test. These physical and behavioural abnormalities were counteracted by tramadol and desipramine. Furthermore, we observed neither a significant acceleration nor diminution by pindolol (5-HT 1A/1B receptor antagonist, 10 mg/kg, i.p.) on the antidepressant-like actions of desipramine and tramadol whereas yohimbine (α 2-adrenergic receptor antagonist, 2 mg/kg, i.p.) antagonized the antidepressant-like effects of both drugs during the unpredictable chronic mild stress regimen. The results of the study support the suggestion that antidepressant-like effect of tramadol and desipramine in mice in the unpredictable chronic mild stress model is mediated by the noradrenergic system rather than the serotonergic system.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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Effects of desipramine and tramadol in a chronic mild stress model in mice are altered by yohimbine but not by pindolol

Yalcin, Ipek ; Aksu, Fazilet ; Belzung, Catherine

Amsterdam: Elsevier B.V

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