Insulinliknande tillväxtfaktor 1 (IGF-1), also called somatomedin C, is a hormone similar in molecular structure to insulin which plays an important role in childhood growth, and has anabolic effects in adults. IGF-1 is a protein that in humans is encoded by the IGF1 gene.IGF-1 consists of 70 amino acids in a single chain with three intramolecular disulfide bridges. IGF-1 …