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Age-related changes in the concentration of cytosolic androgen receptors in the epididymis, vas deferens and seminal vesicle of maturing male mice
Age-related changes cytosolic androgen receptors epididymis
2009/2/23
In this study, changes in the number of androgen binding sites that occur in cytosols of epididymis, vas deferens and seminal vesicle of mice from 10 to 90 days of age are described. Specific satura...
Pituitary response to LHRH during chronic renal insufficiency in the male rat
Pituitary LHRH chronic renal insufficiency male rat
2009/2/23
Chronic renal insufficiency was induced in young adult male rats by a 2-step 5/6 nephrectomy. Four weeks after surgery the rats were anesthetized with ketamine and injected with saline or 1, 5, 10...
Testosterone dose-dependency of sexual and nonsexual behaviors in the gonadotropin-releasing hormone antagonist-treated male rat
Testosterone dose-dependency sexual nonsexual behaviors gonadotropin-releasing hormone male rat
2009/2/23
The testosterone dose-dependency of several mating and nonmating behaviors was examined in the male rat, chemically castrated with a GnRH antagonist analog. Graded doses of testosterone enanthate ...
The changing profiles of L-ornithine decarboxylase and S-adenosyl-L-methionine decarboxylase activities in testicular cell types during sexual maturation of male rats
L-ornithine decarboxylase S-adenosyl-L-methionine testicular cell types
2009/2/23
To understand the involvement of polyamines in testicular maturation and spermatogenesis, the activity of two enzymes involved in the polyamine synthetic pathway, L-ornithine decarboxylase (ODC) a...
Genetically defined mouse models of male infertility
Genetically defined mouse models male infertility
2009/2/23
The review has four objectives. The first objective is to summarize our studies of gene mutations that induce infertility in male mice. The second objective is to stress the power of mouse genetics ...
Effects of cocaine hydrochloride on reproductive function and sexual behavior of male rats and on the behavior of their offspring
cocaine hydrochloride reproductive function sexual behavior male rats offspring
2009/2/23
Cocaine hydrochloride (30, 15, or 0 mg/kg) was administered daily subcutaneously to male rats for a minimum of 72 days. Animals receiving the 15-mg/kg and 0-mg/kg doses were pair-fed with animals re...
Acute effects and long-term sequelae of 1,3-dinitrobenzene on male reproduction in the rat. II. Quantitative and qualitative histopathology of the testis
1,3-dinitrobenzene male reproduction rat
2009/2/23
This study determined the quantitative and qualitative histopathologic effects of a single oral dose of 1,3-dinitrobenzene (48 mg/kg) on the rat testis from 1 to 175 days postexposure. The testis was ...
Acute effects and long-term sequelae of 1,3-dinitrobenzene on male reproduction in the rat. I. Sperm quality, quantity, and fertilizing ability
long-term sequelae 1,3-dinitrobenzene male reproduction rat
2009/2/23
Groups of eight adult male rats were given a single oral dose of 0 or 48 mg/kg of 1,3-dinitrobenzene and sacrificed at 1, 2, 4, 8, 16, 24, 32, 72, and 175 days posttreatment. The groups killed at 17...
Antimitotic drugs in the male rat. Behavioral abnormalities in the second generation
Antimitotic drugs male rat Behavioral abnormalities second generation
2009/2/23
The second generation descended from rats treated either with cyclophosphamide alone or with both cyclophosphamide and vinblastine were investigated. As in the first generation, the offspring were...
Influence of photoperiod, ambient temperature and melatonin on testosterone synthesis and release during reproductive maturation in male deer mice
photoperiod ambient temperature melatonin testosterone synthesis reproductive maturation male deer mice
2009/2/23
Four experiments were designed to investigate the influence of photoperiod and other environmental factors on androgen production and reproductive maturation in deer mice. Male prairie deer mice (Pe...
Male fertility and positive Chlamydial serology. A study of 61 fertile and 82 subfertile men
Male fertility positive Chlamydial serology 61 fertile 82 subfertile men
2009/2/23
In this study, the frequency and titers of serum antibodies to Chlamydia trachomatis in fertile and subfertile subjects and possible correlations between a positive serology and the values of conven...
Reproductive responsiveness to short photoperiod develops postnatally in male golden hamsters
Reproductive responsiveness short photoperiod develops male golden hamsters
2009/2/23
The development of the reproductive response to short photoperiod in golden hamsters was examined by monitoring testis size in hamsters that were either: raised on 14L:10D from birth; raised on 6L:1...
Pituitary-gonadal function in adult male rats subjected to chronic water restriction
water restriction protein-calorie deficit circadian rhythms FSH LH testosterone acute stress
2009/2/23
The effect of water restriction on the pituitary-gonadal axis has been studied in adult male rats. Water restriction did not modify FSH, LH and testosterone levels. However, both LH and testosterone...
Antimitotic drugs（cyclophosphamide and vinblastine）in the male rat. Deaths and behavioral abnormalities in the offspring
cyclophosphamide vinblastine male rat spermatogonia mutation offspring
2009/2/23
The spermatogenesis and the offspring of male rats treated either with cyclophosphamide alone, or with both cyclophosphamide and vinblastine were investigated. The offspring were evaluated for the...
Altered testosterone feedback in pubertal male rats raised on reduced caloric intake
diet feedback FSH gonadotropins LH male nutrition
2009/2/23
A study was conducted to explore the hypothesis that reduced caloric intake increases the negative feedback efficacy of testosterone on gonadotropin secretion. Daily subcutaneous injections of testost...