Besides anabolic steroids, the most common performance-enhancing hormones are erythropoietin (EPO), insulin, GH, and gonadotropins, mostly indistinguishable from endogenous hormones and with very short half-life. This makes virtually impossible to demonstrate their use by measuring their concentration in the blood or urine. A possible approach...
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2003 (v1)PublicationUploaded on: March 31, 2023
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2005 (v1)Publication
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2003 (v1)Publication
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1995 (v1)Publication
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1987 (v1)Publication
The in vitro secretion of immunoreactive somatomedin C/insulin-like growth factor I (IR Sm-C/IGF-I) by two human breast cancer cell lines, MCF-7 and EVSA-T has been studied. IR Sm-C/IGF-I concentration showed a linear increase in serum-free culture media over 72 h of incubation for both cell lines, and a close correlation with cell number (P...
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2000 (v1)Publication
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2005 (v1)Publication
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2004 (v1)Publication
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1998 (v1)Publication
The production by the liver of the three subunits of the growth hormone (GH)-dependent 150 kDa complex (IGF-I, IGF-binding protein-3 and acid-labile subunit or ALS) is primarily under the control of GH. Recent data have shown that, besides GH, endotoxin (LPS) and cytokines may regulate the liver IGF-I gene. To investigate the potential...
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1989 (v1)Publication
We measured immunoreactive insulin-like growth factor I (IGF-I) in extracts of normal and nodular thyroid tissue obtained at surgery from patients with nontoxic goiter. The nodular tissues contained a higher concentration [mean, 279.0 +/- 69.7 (+/- SE) mU/g] than paired normal tissues (115.5 +/- 17.9 mU/g; P = 0.024; n = 12); a difference was...
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1982 (v1)Publication
GH responsiveness to insulin-induced hypoglycaemia and its circadian secretion were studied in a group of subjects in different pubertal stages. The GH peak after insulin was minimal in stage 1 boys (7.6 +/- 1.3 (SEM) ng/ml) and increased progressively, in parallel with pubertal maturation, reaching a maximum in the adult state (20 +/- 4.0...
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1988 (v1)Publication
The production of immunoreactive somatomedin-C/insulin-like growth factor I (Sm-C/IGF-I) by the established cell line derived from a human lung carcinoma CALU-6 has been evidenced in the serum-free medium in increasing concentrations as a function of the incubation time. Gel filtration in acid conditions of cell-conditioned medium collected...
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1979 (v1)Publication
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2006 (v1)Publication
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1986 (v1)Publication
Immunoreactive somatomedin-C/insulin-like growth factor I (SM-C/IGF I) content was measured in human neoplastic lung tissue obtained from surgery on 10 patients (seven epidermoid carcinoma, three adenocarcinoma), and in normal lung tissue obtained from the same excised portion. SM-C/IGF I content in lung tumors was 615 +/- 123 (SE) milliunits/g...
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2003 (v1)Publication
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1998 (v1)Publication
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1996 (v1)Publication
As it has been hypothesized that IGF-binding proteins (IGFBPs) may have a role as autocrine/paracrine factors in regulating the local actions of the insulin-like growth factors (IGFs) in the ovary, we studied the production of the IGFBPs by human granulosa cells (GC) in culture and the role of IGFBP-3 in the modulation of ovarian cell...
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1999 (v1)Publication
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2003 (v1)Publication
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1998 (v1)Publication
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1997 (v1)Publication
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1997 (v1)Publication
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1992 (v1)Publication
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2001 (v1)Publication
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