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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)
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)
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)
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