Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in √s = 7 TeV pp collisions with the ATLAS detector

A search for the direct production of charginos and neutralinos in final states with three electrons or muons and missing transverse momentum is presented. The analysis is based on 4.7 fb−1 of proton–proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with Standard Model expectations in three signal regions that are either depleted or enriched in Z-boson decays. Upper limits at 95% confidence level are set in R-parity conserving phenomenological minimal supersymmetric models and in simplified models, significantly extending previous results

Behaviour, stress and immune fonction

chap. 18International audienc

Brain-immune cross-talk

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Cerebral lateralization and the immune system

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Immunological effects of neuropsychotropic substances

chap. 18International audienc

Mechanisms of behavioral and neuroendocrine effects of interleukin-1 in mice

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Is there evidence for an effect of antidepressant drugs on immune function?

Chapitre 15International audienceDepression is a complex disease which is likely to involve several pathophysiological pathways. There is clear evidence that depression is associated with neurochemical and neuroendocrine alterations. Reduced activity of the serotoninergic (5-HT) and noradrenergic (NA) central systems are observed in a majority of patients with major depression (Garver & Davis, 1979). Depressed patients usually also exhibit an alteration of the hypothalamus-pituitary-adrenal (HPA) axis activity characterized by an hyperproduction of corticotropin-releasing hormone (CRH), which stimulates adrenocorticotropic hormone (ACTH) and cortisol release (Holsboer, Bardeleben, Gerken, Stalla, & Muller, 1984). Therefore, the biochemical activity of most antidepressants, including selective 5-HT reuptake inhibitors, monoamine oxidase inhibitors, and tricyclic antidepressants, has been assessed on the basis of their ability to reverse the alterations of monoamine and/or HPA axis activities (Hollister, 1986). However, the metabolic activity of these drugs is not necessarily related directly to their clinical efficacy (Barden, Reul, & Holsboer, 1995; Blier & de Montigny, 1994). Despite repeated attempts, the neuro-hormonal abnormalities observed in depression have never been shown to predict therapeutic response, nor can they account for the symptomatic profile of the patients. Furthermore, depletion of 5-HT or NA in healthy individuals does not induce clinically significant depressive symptomatology (Young, Smith, Pihl, & Erwin, 1985). In addition, there are also some atypical antidepressants with known experimental and clinical therapeutic effects, but devoid of the classic antidepressant actions on central monoamine activity (Guelfi, 1992; Van Riezen & Leonard, 1990)

Is there evidence for an effect of antidepressant drugs on immune function?

National audienc