Stress-, genotype- or environment-dependent disturbances of the neuroendocrine hypothalamus-pituitary-adrenal (HPA) axis are observed in many psychiatric disorders such as depression. The corticotropin-releasing hormone receptor type 1 (CRHR1) is a key mediator of the neuroendocrine stress response and thus target for the development of new antidepressants. To deduce CRHR1-dependent signal transduction in detail, new CRHR1-regulated signaling pathways and target genes were analyzed using microarray technology. In addition, CRHR1-dependently regulated and validated candidate genes showed in functional experiments a direct regulation of CRHR1-activated signaling pathways in corticotrope and neuronal cells. The distinct functions of the candidate genes propose a variety of previously unknown intracellular mechanisms, e.g. ErbB-activated signaling cascades, modulated by CRHR1-dependent gene expression changes.
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Stress-, genotype- or environment-dependent disturbances of the neuroendocrine hypothalamus-pituitary-adrenal (HPA) axis are observed in many psychiatric disorders such as depression. The corticotropin-releasing hormone receptor type 1 (CRHR1) is a key mediator of the neuroendocrine stress response and thus target for the development of new antidepressants. To deduce CRHR1-dependent signal transduction in detail, new CRHR1-regulated signaling pathways and target genes were analyzed using microar...
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