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Sex steroid inhibition of LH induction of the LH receptor
estrogen testosterone luteinizing hormone receptor testis Leydig cell
2009/2/23
Testosterone and estrogen were tested as possible mediators of the prolactin-dependent LH induction of LH receptors in hypophysectomized adult male rats. Animals were injected s.c. with saline, pr...
Characteristics of prolactin-modulated LH induction of LH/hCG receptors. Transient inhibition of receptor induction following prolactin exposure
LH luteinizing hormone
2009/2/23
The temporal relationship between exposure to prolactin (PRL) and luteinizing hormone (LH) induction of LH receptors was investigated in hypophysectomized adult male rats. Testicular homogenate me...
Suppression of steroid receptor-chromatin interaction by inhibitors present in ammonium sulfate-fractionated rat testicular androgen receptor preparations
steroid receptor-chromatin interaction inhibitors present ammonium sulfate-fractionated rat
2009/2/23
Tritiated androgen receptor complex was partially purified by ammonium sulfate precipitation at 15 to 37% saturation from rat testicular or prostatic cytosols. A greater amount of prostatic tritiate...
Appraising the instantaneous secretory rates of luteinizing hormone and testosterone in response to selective mu opiate receptor blockade in late pubertal boys
instantaneous secretory rates luteinizing hormone testosterone selective mu opiate receptor blockade late pubertal boys
2009/2/23
The pulsatile properties of gonadotropin and testosterone release were examined before and after chronic mu opiate receptor blockade with naltrexone, 50 mg every other day, in four normal boys in la...
Evidence for age-dependent changes in Sertoli cell androgen receptor concentration
age-dependent changes Sertoli cell receptor concentration
2009/2/23
Cytosol and nuclear receptor concentrations in Sertoli cells isolated from the testes of 15-, 25-, and 35-day-old rats were measured using hydroxylapatite separation procedures. In these cells the m...
Androgen receptor levels and androgen contents in the prostate lobes of intact and testosterone-treated Noble rats
Androgen receptor levels androgen contents prostate lobes testosterone-treated Noble rats
2009/2/23
Plasma testosterone (T) levels were correlated with androgen receptors, tissue content of T, and 5 alpha-dihydrotestosterone (DHT) in the three anatomically-discrete prostate lobes of intact and cas...
Receptor-mediated endocytosis of alpha 2-macroglobulin by principal cells in the proximal caput epididymidis in vivo
alpha 2-macroglobulin principal cells proximal caput epididymidis
2009/2/20
Micropuncture techniques were used to study receptor-mediated endocytosis of alpha 2-macroglobulin bound to colloidal gold (alpha 2M-gold) by principal cells in the proximal caput epididymidis of co...
Follicle-stimulating Hormone Receptor Binding Inhibitors in Human Seminal Plasma
FSH binding inhibition seminal plasma
2009/2/19
Human seminal plasma, freed of spermatozoa by centrifugation, inhibited binding of iodine-125 (125I)-hFSH to receptors in calf testes. Binding inhibition (BI) was seen in seminal plasma from intact ...
Presence and tyrosine phosphorylation of c-met receptor in human sperm
tyrosine phosphorylation c-met receptor human sperm
2009/2/18
The c-met receptor is a p190MET tyrosine kinase proto-oncoprotein that through its binding to its ligand, designated hepatocyte growth factor (HGF), induces mitogenic, motogenic, and morphogenic act...
Acrosome reaction in dog sperm is induced by a membrane-localized progesterone receptor
Canine spermatozoa prostatic fluid
2009/2/18
The aim of this study was to investigate whether the dog sperm acrosome reaction can be induced by progesterone and whether the action of progesterone is mediated by binding of progesterone to a r...
Characterization of a TPA-response element in the 5'-flanking region of the androgen receptor gene
Steroid receptor gene expression phorbol esters
2009/2/18
The androgen receptor (AR) protein is an important transacting factor that is necessary for mediating gene expression of androgen-responsive genes. The expression of the AR gene is regulated by an...
Seminal vesicles are novel sites of luteinizing hormone/human chorionic gonadotropin-receptor gene expression
LH/hCG receptors male accessory organs gonadotropins
2009/2/17
The hypothesis that rat seminal vesicles may contain luteinizing hormone (LH)/human chorionic gonadotropin (hCG) receptors was tested by means of a number of different techniques. Northern blotting ...
Estrogen receptor（alpha and beta）expression in the excurrent ducts of the adult male rat reproductive tract
Efferent ductules immunohistochemistry
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. ...
HCG binding to the testicular LH receptor is similar in fertile, subfertile, and infertile stallions
Fertility horses testis
2009/2/17
Recent evidence in our laboratory suggests that the cause of idiopathic subfertility/infertility in breeding stallions may originate in the testes at the luteinizing hormone (LH) receptor or postr...
Low density lipoprotein receptor-related protein-1 expression in the testis：regulated expression in Sertoli cells
protein-1 testis regulated expression Sertoli cells
2009/2/17
The low density lipoprotein receptor-related protein (LRP-1) is a multiligand receptor capable of mediating endocytosis of a wide array of ligands that relate to both lipoprotein metabolism and pr...