نتایج جستجو برای: adrenal lhpa axis
تعداد نتایج: 150953 فیلتر نتایج به سال:
OBJECTIVES: • Identify appropriate hypothalamic factors that control the secretion of each of the anterior pituitary hormones, and describe their route of transport from the hypothalamus to the anterior pituitary. • Contrast the anterior and posterior pituitary lobes with respect to cell types, vascular supply, development, and innervation (hypothalamic). • Diagram the short-loop and long-loop ...
Chronic stress is a consistent sense of feeling pressured and overwhelmedfor long period time it has been defined as maladaptive state thatis associated with altered hypothalamic pituitary adrenal (HPA) axis. Thehyperactivity the HPA axis commonly assessed by cortisol levels.Physical activity (PA) exercise have demonstrated to regulatecortisol patterns in different healthy study populations, bu...
OBJECTIVE Previous studies on the effects of altered thyroid function on the secretion and metabolism of adrenocortical hormones suggest a degree of adrenocortical hyperactivity in hyperthyroidism. We have previously shown that experimentally-induced hyperthyroidism is associated with significant alterations in pituitary-adrenal responsiveness to synthetic ovine corticotropin-releasing hormone ...
Following the assumption that stressors play an important part in the etiology and maintenance of psychiatric disorders, it is necessary to evaluate parameters reflecting stress-related physiological reactions. Results from these examinations may help to deepen the insight into the etiology of psychiatric disorders and to elucidate diagnostic uncertainties. One of the best-known stress-related ...
BACKGROUND Brain-immune system interactions and neurohormonal changes which are induced by psychophysiological factors are growing areas of scientific interest. Central (CNS) and autonomic nervous-endocrine-immune system pathways are connected with a number of behavioral and physiological factors which may be linked to disease susceptibility and progression. METHODS In this paper, influence o...
Memories can be altered by negative or arousing experiences due to the activation of the stress-responsive sympatho-adrenal-medullary axis (SYM). Here, we used a neutral declarative memory that was acquired during multi-trial training to determine the effect of a threatening event on memory without emotional valence. To this end, participants received a new threatening social protocol before le...
Adrenal glucocorticoids, such as cortisol, are essential for normal fetal development and for maintaining homeostasis in adults. Developmental studies in humans and other animals have shown that exposure to excess glucocorticoids during critical windows of perinatal development can program permanent changes in hypothalamic-pituitary-adrenal (HPA) axis function and metabolic function, with adver...
Adrenal insufficiency is managed by hormone replacement therapy, which is far from optimal; the ability to generate functional steroidogenic cells would offer a unique opportunity for a curative approach to restoring the complex feedback regulation of the hypothalamic-pituitary-adrenal axis. Here, we generated human induced steroidogenic cells (hiSCs) from fibroblasts, blood-, and urine-derived...
In mammals, the master clock of the suprachiasmatic nuclei (SCN) and subordinate clocks found throughout the body coordinate circadian rhythms of behavior and physiology. We characterize the clock of the adrenal, an important endocrine gland that synchronizes physiological and metabolic rhythms. Clock gene expression was detected in the outer adrenal cortex prefiguring a role of the clock in re...
The nuclear hormone receptors liver X receptor alpha (LXRalpha) (NR1H3) and LXRbeta (NR1H2) are established regulators of cholesterol, lipid, and glucose metabolism and are attractive drug targets for the treatment of diabetes and cardiovascular disease. Adrenal steroid hormones including glucocorticoids and mineralocorticoids are known to interfere with glucose metabolism, insulin signaling, a...
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