Source:http://linkedlifedata.com/resource/umls/id/C0021665
MSH: A well-characterized basic peptide believed to be secreted by the liver and to circulate in the blood. It has growth-regulating, insulin-like, and mitogenic activities. This growth factor has a major, but not absolute, dependence on GROWTH HORMONE. It is believed to be mainly active in adults in contrast to INSULIN-LIKE GROWTH FACTOR II, which is a major fetal growth factor.,NCI: Elevated serum levels of insulin-like growth factor-1 (IGF-1) may identify premenopausal women who are likely to develop breast cancer before age 50. (from Int J Cancer 2000;88:828-832 via Medscape)