Di-n-butyl phthalate (DBP) widely spread industrial chemical that made drastic alteration in male reproductive system. The present study elucidates the protective role of testosterone on reproductive toxicity in prenatal DBP exposed adult male rats. Pregnant rats were injected with corn oil or 100
Benign prostatic hyperplasia (BPH) is one of the leading causes of male reproductive disorders. Therapeutic agents currently in use have severe side effects; therefore, alternative drugs that exhibit improved therapeutic activity without side effects are required. The present study investigated the
Benign prostatic hyperplasia (BPH) is an age-related disease of unknown aetiology characterized by prostatic enlargement coincident with distinct alterations in tissue histomorphology. Instead of therapeutic agents that can cause severe side effects, plant extracts are frequently used to treat BPH.
OBJECTIVE
To evaluate the effects of 17beta-estradiol (E2) exposure on male reproductive endocrine system, and study the potential mechanism.
METHODS
Male Wistar rats were gavaged with E2 (1.00, 0.50, 0.10, 0.01 mg.kg(-1).d(-1)) for 8 weeks, with corn oil as control. The testes weight and testicular
The effects of exogenous androgens on the number of corporea lutea (CL) and conceptus survival were examined in crossbred gilts. In Exp. 1, gilts received 1 mg of testosterone per day from d 13 (d = 0 first day of estrus, n = 21) or d 16 until estrus (n = 23). Gilts in the vehicle group received
Eight 2 year old Hereford cows from days 8 to 12 of the estrous cycle were injected intramuscularly with 5 ml of corn oil containing 5 mg of estradiol-17beta (two cows), estrone (two cows), progesterone (two cows) or testosterone (two cows). Each cow treated with estradiol received 494 microc of
: Benign prostatic hyperplasia (BPH) is one of the major public health concerns, which has a high prevalence rate and causes significant decline in men's quality of life. BPH is highly related to sexual hormone metabolism and aging. In particular, dihydrotestosterone (DHT), to which
The effects of castration and testosterone on the autonomic receptor density and contractility in the urinary bladder smooth muscle of male rabbits were compared to untreated animals. Four groups of rabbits were studied over a similar time span with Group 1 animals serving as the untreated controls.
Testosterone plays a major role in male sexual development. Exposure of females to testosterone in utero can induce masculine characteristics such as anovulation, increased anogenital distance (AGD), absence of nipples, retention of male-like tissues, and agenesis of the lower vagina. In addition,
OBJECTIVE
To investigate the inhibitory mechanisms of testosterone (T) biosynthesis in rats exposed to dibutyl phthalate (DBP).
METHODS
Male Wistar rats were randomly divided into five groups by weight, including 0.25, 0.50, 1.00, 2.00 g/kg DBP groups and corn oil control group, with 16 rats in each
OBJECTIVE
Atrazine (ATZ) as a widely used herbicide is considered as a potent endocrine disrupter which adversely affects reproductive systems in both genders. This study aimed to assess the effects of testosterone (T)- and vitamin E (VitE)- alone and their coadministration on testicular function
Although benzo[a]pyrene (BaP) is an environmental endocrine disrupter, it has been unclear whether neonatal exposure to BaP affects the testosterone level and, if so, whether this influence persists into adulthood. In this present study, we gave neonatal rats (through oral gavages) doses of 0, 5,
Sheep exposed to testosterone during a critical period from gestational day (GD) 30 to GD 90 develop masculine genitals and an enlarged male-typical ovine sexually dimorphic nucleus of the preoptic area (oSDN). The present study tested the hypothesis that separate critical periods exist for
Androgen has been implicated in aging-related cardiac remodeling, but its precise role in aging heart remains controversial. We aimed to investigate the role of testosterone in the development of aging-related cardiac remodeling and the mechanisms
When prostaglandin E (PGE) contents in kidney medullary tissue were determined, we found that the PGE level was significantly higher in the male rats. The activity of PG synthetase in kidney medullary microsomes to synthesize PGE2 and the effect of treatment with sex hormones on the activity were
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