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Luteinizing hormone secretion by male rat pituitary cells perifused in vitro：effect of experimental left varicocele and orchiectomy
Luteinizing hormone secretion male rat pituitary cells
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2009/2/23
It has been shown previously that experimental left varicocele in the rat, results in a bilateral decrease in intratesticular testosterone. In the present work, pituitary responsiveness to GnRH as a...
Cyclophosphamide in the male rat：new pattern of anomalies in the third generation
Cyclophosphamide male rat anomalies third generation
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2009/2/23
Several abnormalities, such as postnatal deaths and behavioral impairments, have been previously reported in the progeny of male rats exposed to the cytostatic drug cyclophosphamide 60 days prior to...
Pituitary response to LHRH during chronic renal insufficiency in the male rat
Pituitary LHRH chronic renal insufficiency male rat
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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
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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 ...
Antimitotic drugs in the male rat. Behavioral abnormalities in the second generation
Antimitotic drugs male rat Behavioral abnormalities second generation
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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...
Antimitotic drugs（cyclophosphamide and vinblastine）in the male rat. Deaths and behavioral abnormalities in the offspring
cyclophosphamide vinblastine male rat spermatogonia mutation offspring
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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...
Recovery of gonadal functions in the adult male rat following cessation of five-month daily treatment with an LHRH agonist
LHRH agonist testicular steroidogenesis ventral prostate seminal vesicles spermatogenesis
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2009/2/20
This study describes the recovery of various parameters of the pituitary-gonadal axis following five months of daily treatment of adult male rats with a potent LHRH (luteinizing hormone-releasing ...
Influence of estradiol on accessory reproductive organs in the castrated male rat. Effects of bromocriptine and flutamide
estradiol accessory reproductive organs castrated male rat
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2009/2/19
Estradiol partially maintained the weights of the dorsolateral prostate and seminal vesicles in castrated adult male rats. One group of animals received subcutaneous injections of estradiol (0.01 ...
Prolactin Stimulation of Testicular Steroid Biosynthesis in the Male Rat
prolactin LHRH 17-hydroxylase desensitization steroidogenesis LH receptor prolactin receptor
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2009/2/19
The effect of prolactin on testicular steroidogenesis was studied in intact adult male rats and in animals treated for 12 days with the LHRH-agonist [D-Ala6, des-Gly-NH210]LHRH ethylamide (LHRH-agon...
Temporal relation between leptin and various indices of sexual maturation in the male rat
Puberty adipose tissue testosterone gonadotropins
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2009/2/18
Recent studies in humans and rhesus monkeys have suggested the possibility that the adipose tissue hormone leptin has a stimulatory and/or permissive effect on the onset of puberty in the male. We...
Inhibin B levels in plasma of the male rat from birth to adulthood：effect of experimental manipulation of Sertoli cell number
Inhibin B levels male rat experimental manipulation Sertoli cell number
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2009/2/18
Sertoli cells undergo important changes in their number and function at different ages in the rat and may be the primary source of circulating inhibin B. The aims of this study were 1) to establis...
Estrogen receptor（alpha and beta）expression in the excurrent ducts of the adult male rat reproductive tract
Efferent ductules immunohistochemistry
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2009/2/17
The understanding of estrogen's function in the male reproductive tract is limited, and estrogen receptor (ER) localization in the reproductive tract of the adult male rat has not been described. ...
In the male brown-Norway (BN) male rat, reproductive aging is associated with decreased LH-pulse amplitude and area
FSH testosterone pulsatile secretion
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2009/2/17
The Brown-Norway (BN) rat has been proposed as a rodent model for the study of human male reproductive aging. As in man, reduction in serum or plasma testosterone (T) and both testicular (primary)...
P450 aromatase messenger ribonucleic acid expression in male rat germ cells: detection by reverse transcription-polymerase chain reaction amplification
Germ cells spermatids P450 aromatase estrogen
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2009/2/17
We have previously demonstrated that cytochrome P450 aromatase (P450arom) protein, an estrogen-synthesizing enzyme, is present and active in germ cells of the adult mouse testis. To establish that P...
Catalase mRNA expression in the male rat reproductive tract
Catalase mRNA expression male rat
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2009/2/16
Reactive oxygen species (ROS) have been shown to impair sperm function. The actions of ROS are reduced by antioxidant enzymes, including catalase. Although catalase-like activity has been demonstrated...