Pharmacological interaction with the sigma1 (σ1)-receptor in the acute behavioral effects of antidepressants

DOI Web Site PubMed 被引用文献3件 参考文献98件
  • Villard Vanessa
    Institut National de la Santé et de la Recherche Médicale, France Université de Montpellier II, France Ecole Pratique des Hautes Etudes, France
  • Meunier Johann
    Institut National de la Santé et de la Recherche Médicale, France Université de Montpellier II, France Ecole Pratique des Hautes Etudes, France
  • Chevallier Nathalie
    Institut National de la Santé et de la Recherche Médicale, France Université de Montpellier II, France Ecole Pratique des Hautes Etudes, France
  • Maurice Tangui
    Institut National de la Santé et de la Recherche Médicale, France Université de Montpellier II, France Ecole Pratique des Hautes Etudes, France

書誌事項

タイトル別名
  • Pharmacological Interaction With the Sigma1 (.SIGMA.1)-Receptor in the Acute Behavioral Effects of Antidepressants
  • Pharmacological interaction with the sigma1 s 1 receptor in the acute behavioral effects of antidepressants

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抄録

Selective agonists of the sigma-1 (σ1) ligand–operated chaperone protein, like igmesine or PRE-084, are antidepressants in preclinical depression models. σ1-Protein activation may contribute to the antidepressant efficacy of drugs known to act as selective serotonin-reuptake inhibitors (SSRI) or noradrenaline reuptake inhibitors through direct or indirect involvement of the σ1-receptor in the drug effect. We here compared antidepressant effects in two behavioral procedures, the forced swimming test (FST) and conditioned fear stress (CFS). The involvement of the σ1-receptor was examined using a co-treatment with the σ1-antagonist BD1047 or using σ1-knockout (KO) mice. Igmesine but not PRE-084 decreased FST immobility. The SSRI fluoxetine and sertraline, but not fluvoxamine, and the tricyclic antidepressants imipramine, desipramine, and amitriptyline were also effective. Only the effect of igmesine was blocked by BD1047 or in σ1-KO mice. Igmesine, PRE-084, fluvoxamine, and sertraline decreased the CFS immobility in a BD1047- and σ1-KO–sensitive manner. Among tricyclics, only amitriptyline was effective and its effect was unaffected by BD1047 or in σ1-KO mice. The behavioral effects induced by mixed σ1-receptor/SSRI antidepressants, like fluvoxamine or sertraline, may therefore involve a non-selective action at both targets. Moreover, the CFS appears to more reliably uncover a σ1 pharmacological component in antidepressant screening.

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