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Human reproduction requires specific interactions between follitropin (hFSH) and its receptor (FSHR) and between lutropin (hLH) or choriogonadotropin (hCG) and the lutropin receptor (LHR). Substitution of hFSH residues between hCG β-subunit cysteines 11–12 creates a bifunctional analog that...
We previously reported insulin-like growth factor-I (IGF-I) promotes Schwann cell (SC) motility and rescues SC from apoptosis induced by serum deprivation. This effect is mediated by phosphatidylinositol-3 (PI-3) kinase. In the current study, we examined the role of Akt, a downstream kinase of...
To elucidate the influence of interleukin-6 (IL-6) on the maturation of rat granulosa cell (GC), we have established a differentiation model of rat GC in vitro and examined the expression of IL-6 and its receptors, and its possible actions during GC maturation. Bioactive IL-6 was detectable in...
Transcription of the human neutral endopeptidase 24.11 (NEP) gene is androgen regulated in prostate cancer cells. Homology search identified a sequence GTCACAaagAGTTCT similar to the ARE consensus sequence GGTACAnnnTGTTCT within the 3′-untranslated region of the NEP mRNA. A double-stranded...
2,3,7,8-Tetrachlorodibenzo- p -dioxin (TCDD) induced erbB2 and erbB3 in estrogen receptor (ER) positive T47D (T47D + ) cells, but substantially slower than the direct induction of CYP1A1 or CYP1B1. Similar maximum erbB levels were observed in ER − T47D cells or in T47D + cells cultured in...
Parturition in sheep is dependent upon maturation of the fetal hypothalamo-pituitary-adrenocortical (HPA) axis. Anterior pituitary expression of the ACTH precursor, proopiomelanocortin (POMC), increases during the final days of gestation in spite of exponentially increasing fetal plasma cortisol...
Many tissues, including the thymus, represent direct targets of estrogen action. In contrast to many estrogen responsive tissues, the thymus undergoes a profound atrophy in response to elevated levels of estrogens. The mechanism of estrogen-induced atrophy in the thymus is unknown; however, it...
The present study utilizes in situ molecular hybridization and immunocytochemistry to investigate the follicular localization and expression of four thematically related sterol-metabolizing genes; low-density lipoprotein (LDL) receptor, steroidogenic acute regulatory protein (StAR), cytochrome...
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