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Normal gonadal functions and fertility after 23 months of treatment of prepubertal male and female dogs with the GnRh agonist [D-Trp6, des-Gly-NH2(10)]GnRH ethylamide
Normal gonadal functions fertility prepubertal male female dogs
2009/2/23
The GnRH agonist [D-Trp6, des-Gly-NH2(10)]GnRH ethylamide was administered to prepubertal male and female dogs daily for 23 months by subcutaneous injection. During GnRH agonist treatment, plasma ster...
Endocrine parameters, hormone receptors, and functions of the testicular interstitium and seminiferous epithelium in estradiol-immunized Ile-de-France rams
gonadotropin secretion Leydig cells Sertoli cells FSH receptors androgen receptors
2009/2/23
The testicular response of Ile-de-France rams actively immunized against estradiol (E2) was evaluated during both the ovine nonbreeding season (spring) and breeding season (autumn). Plasma concentrati...
Effects of experimental cryptorchidism and subsequent orchidopexy on seminiferous tubule functions in the lamb
experimental cryptorchidism subsequent orchidopexy seminiferous tubule functions lamb
2009/2/23
The reversibility of damage caused by cryptorchidism to the seminiferous tubules of the lamb was investigated at various ages. Lambs were made bilaterally cryptorchid either at birth or at 2 month...
Polarized Sertoli cell functions in a new two-compartment culture system
Polarized Sertoli cell functions new two-compartment culture system
2009/2/23
Sertoli cells in vivo are highly polarized and interact with the inner (tubular) and outer (interstitial) fluids. To simulate this condition in vitro we developed a two-compartment culture system ...
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
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 ...
Interactive Effects of Ethanol and 9-Tetrahydrocannabinol on Endocrine Functions in Male Mice
ethanol 9-tetrahydrocannabinol testes in vitro testosterone production plasma testosterone
2009/2/19
Exposure during sexual maturation to alcohol (ETOH) plus 9-tetrahydrocannabinol (THC) significantly decreased the weights of adrenals, kidneys, testes, and emptied seminal vesicles ten days after ce...
Effects of Chronic, High-dose LHRH-Agonist Treatment on Pituitary and Testicular Functions in Rhesus Monkeys
Chronic High-dose LHRH-Agonist Treatment Pituitary Testicular Functions Rhesus Monkeys
2009/2/18
The effects of chronic, high-dose treatment with an LHRH-agonist (D-Ser-(TBu)6-LHRH-ethylamide) on pituitary and testicular functions were investigated in four adult rhesus monkeys in-season. Doses ...
Apical and narrow cells are distinct cell types differing in their structure, distribution, and functions in the adult rat epididymis
Apical and narrow epithelial cells initial segment intermediate zone epididymis rat
2009/2/16
Apical and narrow cells of the initial segment and intermediate zone of the adult rat epididymis were glutaraldehyde fixed and Epon embedded for routine light (LM) and electron (EM) microscopic an...
Acute effects of spinal cord injury on the pituitary-testicular hormone axis and Sertoli cell functions：a time course study
spinal cord injury pituitary-testicular hormone axis Sertoli cell functions
2009/2/13
The present study investigated the time course of the onset of the abnormalities in spermatogenesis following spinal cord injury, and their relationship to changes in the pituitary testicular hormon...
Effects of Growth Hormone Review on Male Reproductive Functions
Effects Growth Hormone Review Male Reproductive Functions
2008/12/25
This brief review will summarize evidence that growth
hormone (GH) plays a physiological role in the control
of male reproductive development and function, while excessive
release of GH can interfe...
Hepatocyte Growth Factor-Modulated Rat Leydig Cell Functions
c-met HGF testosterone caspase-3 apoptosis testis
2008/12/24
Hepatocyte growth factor (HGF) regulates many cellular functions acting through c-Met, its specific tyrosine kinase receptor. We previously reported that in prepuberal rats HGF is secreted by the pe...
Effects of Ejaculation-to-Analysis Delay on Levels of Markers of Epididymal and Accessory Sex Gland Functions and Sperm Motility
Biochemical markers morphology semen analysis viability
2008/12/24
This study aimed to examine the association between the interval from ejaculation to analysis and epididymal and accessory sex gland function in relation to sperm motility. Ejaculates from 1079 men ...
Expression and Possible Functions of a Novel Gene SPATA12 in Human Testis
Germ cell specific stage specific spermatogenesis
2008/12/24
In our previous study, a novel human testis-specific gene, SPATA12, was identified using the digital differential display program. In the current study, both SPATA12 mRNA and protein levels in...
Beneficial Effects of Vitamin E in Sperm Functions in the Rat After Spinal Cord Injury
Sperm motility viability mitochondrial potential
2008/12/24
Male infertility as a result of spinal cord injury (SCI) is associated with abnormal semen qualities including low sperm counts and poor sperm motility and morphology. Clinical studies suggest th...
Hyalp1 in Murine Sperm Function：Evidence for Unique and Overlapping Functions With Other Reproductive Hyaluronidases
Sperm antigen, hyaluronidase activity Spam1 null sperm acrosome reaction cumulus penetration hyaluronic acid receptor
2008/12/24
While Sperm adhesion molecule 1 (SPAM1) is the highly conserved mammalian sperm hyaluronidase (hyase), multiple hyases are present in the mouse testis. In this study we show that one of the murine h...