Dissecting the genetic effect of the CRH system on anxiety and stress-related behaviour

Corticotropin-releasing hormone (CRH) plays a central role in the adaptation of the body to stress. CRH integrates the endocrine, autonomic and behavioural responses to stress acting as a secretagogue within the line of the hypothalamic pituitary adrenocortical (HPA) system and as a neurotransmitter...

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Veröffentlicht in:Comptes rendus. Biologies 2005-02, Vol.328 (2), p.199-212
Hauptverfasser: Deussing, Jan M., Wurst, Wolfgang
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Wurst, Wolfgang
description Corticotropin-releasing hormone (CRH) plays a central role in the adaptation of the body to stress. CRH integrates the endocrine, autonomic and behavioural responses to stress acting as a secretagogue within the line of the hypothalamic pituitary adrenocortical (HPA) system and as a neurotransmitter modulating synaptic transmission in the central nervous system. Accumulating evidence suggests that the neuroendocrine and behavioural symptoms observed in patients suffering from major depression are at least in part linked to a hyperactivity of the CRH system. Genetic modifications of the CRH system by conventional and conditional gene targeting strategies in the mouse allowed us to study the endogenous mechanisms underlying HPA system regulation and CRH-related neuronal circuitries involved in pathways mediating anxiety and stress-related behaviour. To cite this article: J.M. Deussing, W. Wurst, C. R. Biologies 328 (2005). La corticolibérine (CRH) joue un rôle central dans l'adaptation de l'organisme au stress. La CRH intègre les réponses endocrines, autonomes et comportementales au stress, agissant comme un activateur de la voie du système adrénocortical pituitaire hypothalamique (HPA) et comme un neurotransmetteur modulant la transmission synaptique dans le système nerveux central. Des données de plus en plus nombreuses suggèrent que les symptômes neuroendocriniens et comportementaux observés chez des patients souffrant de dépressions majeures sont, au moins en partie, liés à une hyperactivité du système CRH. Des modifications génétiques de ce système par des stratégies conventionnelles et conditionnelles de ciblage chez la souris nous ont permis d'étudier les mécanismes endogènes assurant la régulation du système HPA et les circuits neuronaux associés aux CRH qui sont impliqués dans la genèse de l'anxiété et des comportements liés au stress. Pour citer cet article : J.M. Deussing, W. Wurst, C. R. Biologies 328 (2005).
doi_str_mv 10.1016/j.crvi.2005.01.001
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La corticolibérine (CRH) joue un rôle central dans l'adaptation de l'organisme au stress. La CRH intègre les réponses endocrines, autonomes et comportementales au stress, agissant comme un activateur de la voie du système adrénocortical pituitaire hypothalamique (HPA) et comme un neurotransmetteur modulant la transmission synaptique dans le système nerveux central. Des données de plus en plus nombreuses suggèrent que les symptômes neuroendocriniens et comportementaux observés chez des patients souffrant de dépressions majeures sont, au moins en partie, liés à une hyperactivité du système CRH. Des modifications génétiques de ce système par des stratégies conventionnelles et conditionnelles de ciblage chez la souris nous ont permis d'étudier les mécanismes endogènes assurant la régulation du système HPA et les circuits neuronaux associés aux CRH qui sont impliqués dans la genèse de l'anxiété et des comportements liés au stress. Pour citer cet article : J.M. Deussing, W. Wurst, C. R. 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subjects Animals
Anxiety
Anxiety - genetics
Anxiété
Brain - physiology
Brain - physiopathology
Corticolibérine
Corticotropin-releasing hormone
Corticotropin-Releasing Hormone - genetics
Facteurs génétiques
Genetic factors
HPA system
Humans
Models, Animal
Mouse
Neuropeptides - physiology
Neurotransmitter Agents - physiology
Souris
Stress
Stress, Psychological - genetics
Stress, Psychological - physiopathology
Système HPA
title Dissecting the genetic effect of the CRH system on anxiety and stress-related behaviour
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