نتایج جستجو برای: serum testosterone assay
تعداد نتایج: 519026 فیلتر نتایج به سال:
Preclinical and clinical studies show associations between testosterone and brain-derived neurotrophic growth factor (BDNF) serum levels. BDNF and testosterone have been independently reported to influence alcohol consumption. Therefore, we aimed to investigate a possible interplay of testosterone and BDNF contributing to alcohol dependence. Regarding possible interplay of testosterone and BDNF...
PURPOSE To investigate patients who had transrectal ultrasonography (TRUS)-guided prostate biopsy to define the role of the serum testosterone level in predicting prostate cancer risk and its association with a high Gleason score. MATERIALS AND METHODS A total of 568 patients who underwent prostate biopsy were entered in this study. We divided the patients into two groups according to serum t...
Testosterone concentrations in men are associated with cardiovascular morbidity, osteoporosis, and mortality and are affected by age, smoking, and obesity. Because of serum testosterone's high heritability, we performed a meta-analysis of genome-wide association data in 8,938 men from seven cohorts and followed up the genome-wide significant findings in one in silico (n = 871) and two de novo r...
The aim of the present study was to investigate the testosterone-like effect of Kaempferia parviflora (KP). Castrated immature rats were randomized and divided into two groups (control and KP-treatment groups). The rats (n=7-8) were treated daily for 5 days by oral route with water in the control group and 1,000 mg/kg of KP in the treatment group. All rats were decapitated 24 h after their last...
During early fetal life of males, conversion of testosterone (T) to 5a-dihydrotestosterone (DHT) via the action of 5a-reductase in the external genital tissues is essential for complete sexual differentiation of male external genitalia. Measurement of low concentrations of DHT in serum of affected prepubertal males confirms the type of sexual disorder (1,2). Although commercial methodologies ha...
the purpose of this study was to examine serum selenium (se), lipoproteins and testosterone responses to a single session of circuit resistance exercise. fourteen male college students volunteered in the present study. blood samples were taken at 30minutes before, immediately after 25 and 60minutes of single session of circuit resistance exercise (10 exercise, 20s for each exercise, and at 60%1...
CONTEXT Obesity in men is associated with low serum testosterone and both are associated with several diseases and increased mortality. OBJECTIVES Examine the direction and causality of the relationship between body mass index (BMI) and serum testosterone. DESIGN Bi-directional Mendelian randomization (MR) analysis on prospective cohorts. SETTING Five cohorts from Denmark, Germany and Swe...
effect of genistein on reproductive parameter and serum nitric oxide levels in morphine-treated mice
background: the predominant phytoestrogen in soy and derived products is the isoflavone genistein. genistein has antioxidant properties. morphine is a main psychoactive chemical in opium that can increase the generation of free radicals and therefore it could adversely affects the spermatogenesis. objective: the main goal was to investigate whether the genistein could protect morphine adverse e...
background physical activity and alteration of temperature as a source of stress may have adverse effects on male reproduction. objectives the aim of this study was to investigate the effect of chronic swimming and standing in cold, warm and lukewarm water on mouse spermatogenesis. materials and methods forty-nine male mice (n = 49) were randomly divided into seven groups: c, control; swc, swim...
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