نتایج جستجو برای: testicular axis
تعداد نتایج: 123210 فیلتر نتایج به سال:
848 testicular biopsy slides of 664 infertile men were reviewed from the archive of jahad daneshgahi pathology center. tite mean age of patients was 33 years. bilateral testicular biopsies were performed in 197 cases. in 47 cases (23.9%) the histopathologic findings were not identical mixed pattern were encountered frequently which must be kept in mirul in pathologic evaluations and reports.
Background and Objective: Diabetes causes fertility disorders by interfering with the endocrine gland function. There are reports that, green tea and catechins could have anti-oxidant and hypoglycemic properties. Therefore, in the present study, we evaluated the effects of green tea aqueous extract and catechin influence on pituitary-gonadal axis in rat models of type 1 diabetes. Materials & M...
AIMS To investigate the mechanisms of α-zearalanol (Zeranol)-induced male reproductive toxicity, the effects of Zeranol on spermatogenesis and sex hormone levels of male mice were studied. METHODS Forty healthy sexually mature male Kunming mice were randomly divided into four groups. The mice were mock-treated or treated with Zeranol 25, 50 or 100 mg/kg via oral gavage for 35 days. The epidid...
Abstract Combinations of fructose- and fat-rich diets in experimental animals can model the human metabolic syndrome (MS). In rats, the increase in blood pressure (BP) after diet manipulation is sex related and highly dependent on testosterone secretion. However, the extent of the impact of diet on rodent hypophysial-testicular axis remains undefined. In the present study, rats drinking a 10% f...
Cyclosporine, tacrolimus, and sirolimus are commonly used in renal transplant recipients to prevent rejection. However, information for comparative effects of these agents on the male productive system is extremely limited and controversial. In a physiologically and clinically relevant rat model of unilateral nephrectomy, we demonstrated that long-term oral administration of both cyclosporine a...
Introduction. Men with congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency show impaired fecundity due to testicular adrenal rest tumors and/or suppression of the gonadal axis. Sexual well-being might be an additional factor; however, no data exists. Patients and Methods. Prospective longitudinal monocentric study included 20 male CAH patients (14 salt wasting, 6 simple virili...
Human 3 beta-hydroxysteroid dehydrogenase deficiency (3b-HSD) is a very rare form of congenital adrenal hyperplasia resulting from HSD3B2 gene mutations. The estimated prevalence is less than 1/1,000,000 at birth. It leads to steroidogenesis impairment in both adrenals and gonads. Few data are available concerning adult testicular function in such patients. We had the opportunity to study gonad...
Provocative stimulation of the hypothalamic–pituitary–testicular axis in men with spinal cord injury
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