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Publikováno v:
Molecular Endocrinology. 29:1787-1791
Recently, several LH/human chorionic gonadotropin (hCG) receptor-independent activities for hCG have been described, including activation of the TGF-β receptor (TGFβR) by hyperglycosylated hCG and stimulation of trophoblast invasion. Because the hC
Autor:
Walter L. Miller, Ningwu Huang
Publikováno v:
Molecular Endocrinology. 19:409-420
The cholesterol side-chain cleavage enzyme, P450scc, initiates biosynthesis of all steroid hormones. Adrenal and gonadal P450scc expression requires steroidogenic factor-1 (SF1), but P450scc expression in human placental JEG-3 cells utilizes an SF1-i
Publikováno v:
Molecular Endocrinology. 12:954-961
As pituitary leukemia-inhibitory factor (LIF) mediates neuroimmune signals to the hypothalamo-pituitary-adrenal axis, we tested the role of intracellular SOCS-3 in corticotroph function. SOCS-3, a cytokine-inducible protein of the suppressor of cytok
Publikováno v:
Molecular Endocrinology. 11:1145-1155
A GnRH-expressing neuronal cell line (NLT) was used to determine whether insulin-like growth factor I (IGF-I) regulates GnRH gene expression. A receptor-binding assay demonstrated the expression of IGF-I receptors on NLT cells. Activation of IGF-I re
Publikováno v:
Molecular Endocrinology. 11:997-1007
The growth-promoting activity of GH, the principal hormonal determinant of body size, is mediated by insulin-like growth factor I (IGF-I). Most of the IGF-I in plasma circulates in a 150-kDa complex that contains IGF-binding protein-3 (IGFBP-3) and a
Autor:
Kathleen H. Day, Richard O. Day
Publikováno v:
Molecular Endocrinology. 8:12-20
Transplantation of GH3 rat pituitary tumor cells that express both PRL and GH to female Wistar-Furth rats results in tumors that secrete only GH. We have used in vivo passage of GH3 cells as a model system to study specific repression of PRL. RNA blo
Publikováno v:
Molecular Endocrinology. 7:380-386
The insulin-like growth factors (IGFs) are potent mitogens with both endocrine and autocrine-paracrine effects on cell growth. The IGF binding proteins (IGFBPs) are found in many human biological fluids and in the conditioned media of many cell cultu
Publikováno v:
Molecular Endocrinology. 6:1774-1780
To test the hypothesis that insulin-like growth factor-I (IGF-I) affects the growth of bovine mammary epithelial cells through an autocrine and/or paracrine pathway, a cell line (MD-IGF-I) was originated from MAC-T cells by cotransfection with a cons
Publikováno v:
Molecular Endocrinology. 5:1467-1476
The insulin-degrading enzyme (IDE) is an evolutionarily conserved enzyme that has been implicated in cellular insulin degradation, but its site of action and importance in regulating insulin degradation have not been clearly established. We addressed
Publikováno v:
Molecular Endocrinology. 5:890-896
Insulin-like growth factor-I (IGF-I) attenuates GH gene expression by a receptor-mediated mechanism in pituitary cells. We, therefore, isolated neomycin-resistant stable GC cell transfectants over-expressing human IGF-I receptor cDNA (IGFIR-cDNA) clo