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We had previously demonstrated that indomethacin affected the corticosterone secretion induced by central stimulation of alpha-but not beta-adrenergic receptors in conscious rats. In the present study we investigated whether hypothalamic and/or pituitary prostaglandins (PGs) were involved in the central adrenergic stimulation of ACTH secretion.(More)
To evaluate the effect of social crowding stress on the CRH and vasopressin-induced hypothalamic-pituitary-adrenocortical (HPA) response, both those neuropeptides were administered intracerebroventricularly and intraperitoneally to rats crowded for 3 days. Crowding stress did not affect the corticosterone response to CRH given by either route (1 micrograms(More)
The role of prostaglandins (PGs) on the corticotropin-releasing hormone (CRH)- and vasopressin (AVP)-induced pituitary-adrenocortical response under basal and social stress circumstances was investigated. Crowding stress applied for 3 days did not diminish the CRH-elicited corticosterone response, but it considerably reduced such a response to AVP. In(More)
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