نتایج جستجو برای: hypothalamo
تعداد نتایج: 1471 فیلتر نتایج به سال:
In adulthood the hypothalamo-pituitary-adrenal axis is controlled by both CRH and arginine vasopressin (AVP). However, in neonates CRH secretion is very low, whereas AVP secretion is fully functional. This suggests that the role of AVP is more pronounced in young than in adult rats. We investigated the role of AVP by studying stress responses in 5, 10, and 20-d-old AVP-deficient Brattleboro rat...
Possible contributions of the hypothalamo-hypophyseal-adrenal axis to the development of adjuvant-induced arthritis and therapeutic actions of the prototypical kappa-opioid agonist PNU-50,488H (PNU-50) were studied in DA rats. Paw edema, nociception, histological and radiological joint damage, and tumor necrosis factor-alpha release by peritoneal macrophages were measured in adrenalectomized (A...
Heatstroke is characterized by excessive hyperthermia associated with systemic inflammatory responses, which leads to multiple organ failure, in which brain disorders predominate. This definition can be almost fulfilled by a mouse model of heatstroke used in the present study. Unanesthetized mice were exposed to whole body heating (41.2°C for 1 hour) and then returned to room temperature (26°C)...
Thyrotropin-releasing hormone (TRH) is engaged in the modulation of the hypothalamo-neurohypophysial system activity. Effects of repeated intravenously injections of TRH in a dose of 100 ng/100 g b.w. on vasopressin (VP) and oxytocin (OT) biosynthesis and release from the hypothalamo-neurohypophysial system was investigated in rats in different age (1-, 3- or 7-months of the life). To estimate ...
The central nervous system and gut peptide neuromedin U (NMU) inhibits feeding after intracerebroventricular injection. This study explored the hypothalamic actions of NMU on feeding and the hypothalamo-pituitary-adrenal axis. Intraparaventricular nucleus (intra-PVN) NMU dose-dependently inhibited food intake, with a minimum effective dose of 0.1 nmol and a robust effect at 0.3 nmol. Feeding in...
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