نتایج جستجو برای: stimulating hormone
تعداد نتایج: 184228 فیلتر نتایج به سال:
Abstract Polycystic Ovarian Syndrome (PCOS) is a disease that characterized by an increased Gonadotropin-Releasing-Hormone (GnRH) pulsatile frequency, causing altered LH/FSH ratio. More precisely Luteinizing Hormone (LH) secretion compared to decreased Follicle-Stimulating (FSH) leads the development of hyperandrogenism and low-level concentration estrogens therefore negative estrogenic feedbac...
In contrast to the human lutropin receptor (hLHR), very few naturally occurring activating mutations of the structurally related human follitropin receptor (hFSHR) have been identified. The present study was undertaken to determine if one aspect underlying this discrepancy might be a general resistance of the hFSHR to mutation-induced constitutive activity. Five different mutations were introdu...
OBJECTIVE Overt and subclinical hypothyroidism are risk factors for atherosclerosis. It is unclear whether thyroid hormone levels within the normal range are also associated with atherosclerosis measured by coronary artery calcium (CAC). APPROACH AND RESULTS We conducted a cross-sectional study of 41 403 apparently healthy young and middle-aged men and women with normal thyroid hormone levels...
OBJECTIVE To evaluate thyroid function and hormonal profile in women with polycystic ovary syndrome (PCOS). METHODS A case-control study was conducted at Saad Abualila Center, Khartoum, Sudan. The cases were women with confirmed PCOS based on Rotterdam criteria. The controls were infertile women with no evidence of PCOS. The socio-demographic characteristics and medical history were gathered ...
ARTICLES Endocrinology Acarbose reduces elevated testosterone serum concentrations in hyperinsulinaemic premenopausal women: a pilot study Preconceptional and gestations! evaluation of insulin secretion in patients with polycystic ovary syndrome Nuclear maturity and oocyte morphology after stimulation with highly purified follicle stimulating hormone compared to human menopause! gonadotrophin V...
BACKGROUND Ovarian cysts are a common cause for gynecological surgery. However, some cysts are a direct result of endocrine disorders and do not require surgery. This report describes an unusual case in which persistent ovarian cysts are associated with primary hypothyroidism in a young woman. The data were collected by history-taking, physical examination, laboratory tests, ultrasound, magneti...
A single i.p. injection of vincristine (1000 microgram/kg) into rats increased the plasma concentration of corticosterone after a latent period of 4 hr; the effect lasted for 48 hr. The response was dose related with the threshold dose being 100 microgram/kg and the maximal effect occurring after 250 microgram/kg. Vincristine also increased plasma corticosterone levels in hypophysectomized rats...
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