نتایج جستجو برای: adrenal system
تعداد نتایج: 2277548 فیلتر نتایج به سال:
21-hydroxylase deficiency (21-ohd) caused congenital adrenal hyperplasia (cah) is a group of autosomal recessive genetic disorders resulting from mutations in genes involved with cortisol (co) synthesis in the adrenal glands. testicular adrenal rest tumors (tarts) are rarely the presenting symptoms of cah. here, we describe a case of simple virilizing cah with tarts, in a 15-year-old boy. the p...
To determine the influence of colchicine on adrenocortical function in vivo, we gave significant amounts subcutaneously to rats and observed the distribution to the anterior pituitary and adrenal glands. Corticosteroids in the serum and adrenal gland were increased remarkably by the administration of colchicine in a dose-dependent manner. Maximum elevation was achieved around 2.5 hours after th...
The effect of the pituitary-adrenal axis on epinephrine synthesis in the human adrenal medulla was examined by the estimation of the 24-h urinary epinephrine level after treatment with glucocorticoids in four patients with systemic lupus erythematodes (SLE), one patient with rheumatoid arthritis (RA) and one patient with adrenal pheochromocytoma. 24-h urinary catecholamines (CAs) were measured ...
The effects of neuropeptide Y (NPY) on adrenal glucocorticoid secretion are controversial, and we have investigated this issue in guinea pigs, where, like in humans and cows, the main glucocorticoid hormone is cortisol. In vivo experiments showed that prolonged NPY administration markedly lowered cortisol plasma concentration not only in normal guinea pigs, but also in animals whose hypothalami...
Objective To analyze the clinical and endocrine characteristics of patients with primary adrenal lymphoma. Patients We retrospectively reviewed the cases of five patients with primary adrenal lymphoma who were treated in our hospital between April 2004 and March 2015. We investigated the characteristics of the clinical and pathological findings, treatment, prognosis and complications of adrenal...
To investigate the role of the renin-angiotensin system in the regulation of adrenal growth in deoxycorticosterone (DOC)-salt hypertensive rats, and the adrenal gene expression of angiotensin AT1 and AT2 receptors, three groups of uninephrectomized rats + DOC pellet + 0.9% NaCl were given water (DOC), losartan (DOC-L), or ramipril (DOC-R) by gavage. Controls had sham surgery and water gavage. T...
Corticotropin-releasing factor (CRF) plays a central role in the regulation of the stress axis. In mammals, CRF as well as its receptors and its CRF-binding protein (CRF-BP) are expressed in a variety of organs and tissues outside the central nervous system. One of these extrahypothalamic sites is the adrenal gland, where the paracrine actions of adrenal CRF influence cortical steroidogenesis a...
Two behaviorally active hormones of the pituitary-adrenal system are adrenocorticotropic hormones (ACTH) and corticosterone, and their behavioral effects are facilitation and inhibition of performance of previously learned avoidance responses, respectively. Their uptake, distribution and effects on central nervous system are reviewed. Hypothalamic neurotransmitter control of corticotropin relea...
EIGHT years ago observations were made on the adrenalectomised animal which gave the impression that the adrenal cortex is in, some way involved in the mechanism of biological oxidation. A detailed study of the biological oxidation was begun in the hope that this study might lead to the understanding of the function of the interrenal system. Through several years different animal, vegetable and...
Association of the adrenal cortex with renal hypertension lead to the conclusioa that several mechanisms fare operating. First, hypertension is not, or is poorly sustained in true adrenal failure, and mild failure seems to impair vascular responsiveness. This indicates a permissive function of thme adrenal ill renal hypertension. Furthermore, degrees of renal injury or of hyper(orticoidism whic...
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