objective: to evaluate the relationship between serum level of testosterone and sex hormone-binding globulin in men with type 2 diabetes. materials and methods: in this case-control study, forty men aged 40-70 with type 2 diabetes mellitus were randomly selected and compared with 40 non-diabetic men. the two groups were matched for their age and bmi. after complete observation and examination, ...

effect of propylthiouracil (ptu)-induced hypothyroidism during the prepubertal period, at a dose of oneg per kg of the diet, on serum testosterone level and seminal characteristics of fars indigenous chickens wasstudied. ptu was fed between 7th to 13th weeks of age and semen was collected at weekly intervals, starting at 21st week of age and continued for seven weeks. the effect of ptu treatmen...

background: the secretion of thyroxin (t4) as the main hormone of thyroid gland is regulated by androgens. the present study aimed to evaluate the effect of testosterone and finasteride administration and castration on serum levels of t4 and to show the effect of this regulation on total body weight, weight of testis, and the weight of prostate. methods: male adult rats (n = 32) were divided in...

background: matricaria chamomilla (chamomile) is a herb used to treat various human illnesses. the present study was conducted to investigate the effects of chamomile extract on spermatozoon quality, serum levels of estradiol and testosterone, and sperm tail length in male adult rat .   methods: male sprague-dawley rats received extract of chamomile (400 mg/kg once daily, orally) during an 8-we...

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...

BACKGROUND/AIM The impact of testosterone or obesity on the pathological grade of prostate cancer remains controversial. Therefore, in this study, we investigated the relationship of serum testosterone and body mass index (BMI) to Gleason score at biopsy. PATIENTS AND METHODS This study included 128 Japanese patients diagnosed with prostate cancer from 2000 through 2012 whose serum testostero...