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Topic: Insulin-like growth factor 1

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Insulin-like growth factor - Wikipedia, the free encyclopedia Insulin-like growth factor 1 (IGF-1) is mainly secreted by the liver as a result of stimulation by growth hormone (hGH). Further work is required to determine the main receptors used by these growth factors to elicit their effects. Almost every cell in the human body is affected by IGF-1, especially cells in muscle, cartilage, bone, liver, kidney, nerves, skin, and lungs. en.wikipedia.org /wiki/Insulin-like_growth_factor   (651 words)

Insulin-like growth factor 1 - Wikipedia, the free encyclopedia 'Insulin-like growth factor 1' (IGF-1) is a protein hormone similar in molecular structure to insulin. IGF1 has been synthesized and used in therapeutic trials for several conditions including growth failure and diabetes. A large fraction of circulating IGF1 is attached to IGF binding proteins. en.wikipedia.org /wiki/Insulin-like_growth_factor_1   (482 words)

Insulin-like growth factor binding protein 2 (IGFBP-2) separates hypertrophic and hyperplastic effects of growth hormone (GH)/IGF-I excess on adrenocortical cells in vivo -- HOEFLICH et al. 16 (13): 1721 -- The FASEB Journal Khosravi, J., Diamandi, A., Mistry, J., Scorilas, A. (2001) Insulin-like growth factor I (IGF-I) and IGF-binding protein-3 in benign prostatic hyperplasia and prostate cancer. in GH-overexpressing mice are likely to be caused by increased IGF-I differently affect development and messenger RNA abundance for IGF-binding proteins and type I IGF receptors in in vitro produced bovine embryos. www.fasebj.org /cgi/content/full/16/13/1721   (6701 words)

ARUP: IGF-1 (Insulin-Like Growth Factor 1) Insulin like growth factor (IGF-1, also referred to as somatomedin-C or Sm-C), is one of a class of peptides whose serum concentrations are regulated principally by human growth hormone (GH) and nutritional intake. (See also: Growth Hormone and IGF Binding Protein-3.) In humans, two of these peptides have been identified, IGF-1 and IGF-2. The binding proteins are undoubtedly responsible for the relatively high concentrations of IGF-1 in plasma and for lack of rapid fluctuations in plasma concentrations. www.aruplab.com /guides/clt/tests/clt_al3b.jsp   (384 words)

Maternal and Fetal Insulin-Like Growth Factor System and Embryonic Survival During Pregnancy in Rats: Interaction between Dietary Chromium and Diabetes -- Spicer et al. 128 (12): 2341 -- Journal of Nutrition Luo J. Murphy L. Differential expression of insulin-like growth factor-I and insulin-like growth factor binding protein-1 in the diabetic rat. Hogg J., Han V. Clemmons D. Hill D. Interactions of nutrients, insulin-like growth factors (IGFs) and IGF-binding proteins in the regulation of DNA synthesis by isolated fetal rat islets of Langerhans. Murphy, L. Impaired estrogen-induced uterine insulin-like growth factor-I gene expression in the streptozotocin diabetic rat. www.nutrition.org /cgi/content/full/128/12/2341   (4659 words)

Insulin-Like Growth Factor 1 (IGF-1) Insulin-like growth factor-1 (IGF-1) is a single-chain polypeptide of 70 amino acids. Insulin-like growth factor 1 and its binding proteins: a study of the binding interface using B-domain analogues. Carro E, Nuñez A, Busiguina S, Torres-Aleman I. Circulating insulin-like growth factor 1 mediates effects of exercise on the brain. www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/ins_0303.shtml   (637 words)

Growth Factors and Cytokines Growth factors are proteins that bind to receptors on the cell surface, with the primary result of activating cellular proliferation and/or differentiation. The protein encoded by the Int-2 locus is a homologue of the FGF family of growth factors. family of growth factors and associated signaling pathways can be found on the Signaling by Wnts and TGFs- web.indstate.edu /thcme/mwking/growth-factors.html   (2547 words)

Insulin-Like Growth Factor I Promotes Maturation and Inhibits Apoptosis of Immature Cord Blood Monocyte-Derived Dendritic Cells through MEK and PI 3-Kinase Pathways -- LIU et al. 54 (6): 919 -- Pediatric Research Kulik G, Klippel A, Weber MJ 1997 Antiapoptotic signalling by the insulin-like growth factor I receptor, phosphatidylinositol 3-kinase, and Akt. tyrosine kinase, homologous to the insulin receptor (22). IGF-I receptor have been identified mainly as the MEK and PI 3-kinase pathways (24, 25, 28). www.pedresearch.org /cgi/content/full/54/6/919   (4241 words)

IGF1R - insulin-like growth factor 1 receptor Expression of insulin-like growth factor 1 and insulin-like growth factor 1 receptor and its intervention by interleukin-10 in experimental hepatic fibrosis. IGF1R is a homologue of Igf1r (insulin-like growth factor I receptor) from Mus musculus. The role of Shc and insulin-like growth factor 1 receptor in mediating the translocation of estrogen receptor alpha to the plasma membrane. www.ihop-net.org /UniPub/iHOP/gg/89369.html   (4355 words)

Expression of Insulin-Like Growth Factor I Messenger Ribonucleic Acid in Developing Osteophytes in Murine Experimental Osteoarthritis and in Rats Inoculated with Growth Hormone-Secreting Tumor -- Okazaki et al. 140 (10): 4821 -- Endocrinology IGF-I is known to be an anabolic factor in bone and cartilage metabolism. IGF-I was detected in the multilayered perichondral cells and synovial cells on days 5 (D, arrow) and 7 and in the proliferating chondrocytes on days 7 (G, arrow) and 14 (J, arrow). This evidence suggests that other factors seemed to be directly endo.endojournals.org /cgi/content/full/140/10/4821   (4741 words)

Growth factor 1 - The insulin-like growth factor 1 receptor induces physiological Growth factor 1 - The insulin-like growth factor 1 receptor induces physiological Insulin-like Growth Factor-1 (IGF-1) is the body's principle growth factor. The insulin-like growth factor 1 receptor induces physiological factor.allinfosites.com /q/factor-growth-factor-1.htm   (610 words)

Insulin-Like Growth Factor I (IGF-I) Somatomedin-C is a polypeptide hormone produced by the liver and other tissues, with effect on growth promoting activity and glucose metabolism (insulin-like activity). Low values may be found with nonfunctioning pituitary tumors, with constitutional delay of growth and development and with anorexia nervosa. The Sm-C level does not distinguish pituitary dwarfism from constitutional delay of growth and development. www.labcorp.com /datasets/labcorp/html/chapter/mono/sr003600.htm   (506 words)

Interaction between the Insulin-like Growth Factor Family and the Integrin Receptor Family in Tissue Repair Processes . Evidence in a Rabbit Ear Dermal Ulcer Model -- Galiano et al. 98 (11): 2462 -- Journal of Clinical Investigation Wright, and D.R. Clemmons (1993) Insulin-like growth factor binding protein-1 stimulates cell migration and binds to the alpha 5 beta 1 integrin by means of its Arg-Gly-Asp sequence. Gartner, M.H. Benson, and M.D. Caldwell (1992) Insulin-like growth factors I and II expression in the healing wound. Wen, and G.F. Pierce (1995) Neu differentiation factor upregulates epidermal migration and integrin expression in excisional wounds. www.jci.org /cgi/content/full/98/11/2462   (4630 words)

Insulin-Like Growth Factor-I Resistance -- Jain et al. 19 (5): 625 -- Endocrine Reviews The unstimulated number of T lymphoblast colonies (referred to, on the ordinate, as colonies) formed in incubation mixtures without added growth factor is defined as 100%. in the gene encoding the ß-subunit of the insulin receptor. I-labeled IGF-I in the presence and absence of excess unlabeled IGF-I and cross-linked with disuccinimidyl suberate. edrv.endojournals.org /cgi/content/full/19/5/625   (9806 words)

Recombinant Human Growth Hormone, Insulin-like Growth Factor 1, and Combination Therapy in AIDS-Associated Wasting: A Randomized, Double-Blind, Placebo-Controlled Trial -- Waters et al. 125 (11): 865 -- Annals of Internal Medicine Role of exogenous growth hormone and insulin-like growth factor 1 in malnutrition and acute metabolic stress: a hypothesis. Anabolic effects of recombinant insulin-like growth factor-1 in cachectic patients with the acquired immunodeficiency syndrome. Effects of growth factor therapy on immunologic function and www.annals.org /cgi/content/full/125/11/865   (5041 words)

Insulin-Like Growth Factor 1 (IGF-1) Insulin-like growth factor-1 (IGF-1) is a single-chain polypeptide of 70 amino acids. Insulin-like growth factor 1 and its binding proteins: a study of the binding interface using B-domain analogues. Insulin-like growth factor-1: potential for treatment of motor neuronal disorders. www.pdrhealth.com /drug_info/nmdrugprofiles/nutsupdrugs/ins_0303.shtml   (637 words)

Insulin-like growth factor 1 - Psychology Central Insulin-like growth factor 1 (IGF-1) is a protein hormone similar in molecular structure to insulin. IGF1 was also known as "sulfation factor"(1957 Salmon and Daughaday), "nonsuppressible insulin-like activity" (NSILA) in the 1970s, and as somatomedin C in the 1980s. IGF1 plays an important role in childhood growth and continues to have anabolic effects in adults. psychcentral.com /psypsych/IGF1   (526 words)

IGF1 - insulin-like growth factor 1 (somatomedin C) IGF1 - insulin-like growth factor 1 (somatomedin C) The anabolic effects of PTH may be partly mediated by IGF-1. Insulin, insulin-like growth factor (IGF-1), and glucagon-like peptide-1 (GLP-1) act as glucose-dependent growth factors for pancreatic beta-cells. The effects of insulin and IGF-1 on the expression of calretinin and calbindin D-28k were investigated in rat embryonic neuronal cell culture. www.ihop-net.org /UniPub/iHOP/gg/89368.html   (6236 words)

Insulin-like Growth Factor-1 IGF1 belongs in the ‘superfamily’ of substances known as ‘growth factors,’ along with epidermal, transforming, platelet derived, fibroblast, nerve, and ciliary neurotrophic growth factors. Many of the growth promoting effects of GH are due to its ability to release IGF1 from the liver, which in turn acts on several different tissues to enhance growth. Circulating IGF1 levels have no relationship to prostate cancer and are not a risk factor in patients, with or without rhGH administration. drcranton.com /hrt/insulinlike_growth_factor1.htm   (731 words)

BioMed Central Full text Mesenchymally-derived Insulin-like growth factor 1 provides a paracrine stimulus for trophoblast migration Baker J, Liu JP, Robertson EJ, Efstratiadis A: Role of insulin-like growth factors in embryonic and postnatal growth. Wells were then carefully flooded with 1 ml SFM and incubated at 37°C, 5% CO After an initial period of 24 h during which cytotrophoblast proliferation occurs at the villous tips to produce anchoring cell columns [10], growth factors or fibroblast conditioned SFM were added to the culture medium. 1 ml of anti-IGF-I antibody 15C9 (1 mg/ml [27]) was coupled to activated Sephacryl, then the solid phase incubated with conditioned SFM for 16 h at 4°C. IGF-depleted medium was harvested by centrifugation at 2800 rpm,10 min, and the supernatant was filter-sterilised, aliquotted and stored at -20°C. RIA was used to confirm removal of IGF. www.biomedcentral.com /1471-213X/2/5   (4162 words)

World J Gastroenterol Expression of insulin-like growth factor 1 and insulin-like growth factor 1 receptor and its intervention by interleukin-10 in experimental hepatic fibrosis. Expression of insulin-like growth factor 1 and insulin-like growth factor 1 receptor and its intervention by interleukin-10 in experimental hepatic fibrosis insulin-like growth factor 1 (IGF-1) in patients with alcoholic cirrhosis. www.wjgnet.com /1007-9327/9/1287.asp   (3082 words)

Insulin-like Growth Factor-1 (IGF1) IGF1 is primarily secreted by the liver in response to a signal from human growth hormone (hGH). IGF1 acts within the nervous system and is critical for the growth and development of nerve cells. IGF1 promotes the growth of muscle and bone. www.nutrimart.com /Bulk/Description/IGF-1.htm   (645 words)

Insulin-like Growth Factor-1 Growth factors enable the cells in the hormonal, immune, and nervous systems to communicate and coordinate their growth, death, regeneration, and functioning. Growth factors are small natural proteins that regulate cell growth and control the metabolic processes. HGH acts as the general and the growth factors are the soldiers who do the work on the cellular level. www.hgh-pro.com /igf-1.html   (585 words)

News - Higher Circulating Concentrations of Insulin-Like Growth Factor-1 and Main Binding Protein Appear Associated with Increased Risk of Common Cancers Higher concentrations of circulating total insulin-like growth factor (IGF)-1 appear associated with an increased risk of prostate and premenopausal breast cancers, while higher concentrations of IGF binding protein (IGFBP)-3 appear associated with premenopausal breast cancer. Higher Circulating Concentrations of Insulin-Like Growth Factor-1 and Main Binding Protein Appear Associated with Increased Risk of Common Cancers Epidermal Growth Factor Receptor Inhibitor Toxicity Management: A Nursing Perspective www.docguide.com /news/content.nsf/news/9DDB7D9025B4E7C485256E7F004D87B8   (556 words)

IGF-1, Homeopathic Proving, Insulin-like Growth Factor Pain quality was pressing as from a weight or like a band. Heat internally and sensation of heat of the cheeks. Localized most frequently to the forehead, and also behind the eyes, above the root of the nose, or in the vertex. www.biomedcomm.com /store/pi_igf1_proving.html   (1144 words)

Articles - Insulin-like growth factor Insulin-like growth factor 1 (IGF-1) is mainly secreted by the liver as a result of stimulation by growth hormone (hGH). The insulin-like growth factors (IGFs) are polypeptides with high sequence similarity to insulin. Further work is required to determine the main receptors used by these growth factors to elicit their effects. www.abuabu.com /articles/Insulin-like_growth_factor   (611 words)

ARUP: IGF-1 (Insulin-Like Growth Factor 1) Insulin like growth factor (IGF-1, also referred to as somatomedin-C or Sm-C), is one of a class of peptides whose serum concentrations are regulated principally by human growth hormone (GH) and nutritional intake. (See also: Growth Hormone and IGF Binding Protein-3.) In humans, two of these peptides have been identified, IGF-1 and IGF-2. The anabolic and growth promoting effects mediated by the IGFs include cell proliferation and protein synthesis. www.aruplab.com /guides/clt/tests/clt_al3b.jsp   (384 words)

Insulin-like growth factor 1 and hair growth. In particular, the paracrine versus endocrine action of IGF-1 on hair growth and the targeting of expression of the growth factor to the follicles of transgenic animals will be emphasized. In circulation, this growth factor mediates endocrine action of growth hormone (GH) on somatic growth and is bound to specific binding proteins (BPs). In addition, this growth factor plays an important role in many cell types as a survival factor to prevent cell death. www.hairlosshelp.com /html/zincstudy7.htm   (375 words)

World J Gastroenterol Insulin like growth factors (IGFs) have similar structures and functions like those of insulin, and can be divided into IGF-1 and IGF-2, the latter of which exerts its biological action on embryonic development and growth. insulin-like growth factor I. Minerva Endocrinol 2002; 27: 299-311 Insulin may directly regulate liver IGF-1 expression or indirectly by increasing the number of GH receptors on hepatic cells. www.wjgnet.com /1007-9327/10/255.asp   (3450 words)

IGF1 - Insulin-like growth factor 1 (somatomedin C) - Cancer GeneticsWeb Insulin-like growth factor 1 and prostate cancer risk: a population-based, case-control study. Insulin-like growth factor-I protects colon cancer cells from death factor-induced apoptosis by potentiating tumor necrosis factor alpha-induced mitogen-activated protein kinase and nuclear factor kappaB signaling pathways. Role of insulin-like growth factors and their binding proteins in growth control and carcinogenesis. www.cancerindex.org /geneweb/IGF1.htm   (445 words)

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