Journal of psychopharmacology
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J. Psychopharmacol. (Oxford) · Apr 2010
Multicenter StudyPrevalence and impact of antidepressant-associated sexual dysfunction in three European countries: replication in a cross-sectional patient survey.
Sexual dysfunction is a common but often unrecognized side effect of many antidepressants. Building upon the results of a previous investigation, this study aimed to assess the prevalence and impact of antidepressant-associated sexual dysfunction (AASD) in three European countries. A cross-sectional survey of 704 adults in Germany, Spain, and The Netherlands was used in the study. ⋯ Patients classified with AASD reported significantly worse quality of life (QoL), self-esteem, mood, and relationships with partners, compared with non-AASD patients. There were significant differences between patients with and without AASD in SF-12 Mental Component scores, with AASD patients displaying poorer mental well-being. Sexual dysfunction is a frequent occurrence during antidepressant treatment, and is associated with reduced QoL and self-esteem, and negative effects on mood and relationships.
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J. Psychopharmacol. (Oxford) · Apr 2010
Depression-prone mice with reduced glucocorticoid receptor expression display an altered stress-dependent regulation of brain-derived neurotrophic factor and activity-regulated cytoskeleton-associated protein.
Increasing evidence suggests that depression is characterised by impaired brain plasticity that might originate from the interaction between genetic and environmental risk factors. Hence, the aim of this study was to investigate changes in neuroplasticity following exposure to stress, an environmental condition highly relevant to psychiatric disorders, in glucocorticoid receptor-deficient mice (GR(+/-)), a genetic model of predisposition to depression. Specifically, we have analysed the neurotrophin brain-derived neurotrophic factor (BDNF) and the immediate-early gene activity-regulated cytoskeletal-associated protein (Arc), two closely related molecules that can contribute to neuroplastic and morphological changes observed in depression. ⋯ Following exposure to an acute stress, increased processing from pro- to mature BDNF was observed in hippocampal synaptosomes of wild-type mice, but not in GR mutants. Furthermore, the stress-dependent modulation of Arc was impaired in the hippocampus of GR(+/-) mice. These results indicate that GR(+/-) mice show overt differences in the stress-induced modulation of neuroplastic proteins, which may contribute to pathologic conditions that may originate following gene x environment interaction.