“However, whereas fibronectin, bFGF, hepatocyte growth factor, and TGF-beta1 significantly augmented migration of mouse myoblasts, TNF-alpha did not, nor … IGF-I. Fibronectin and bFGF also significantly augmented invasion of myoblasts across a Matrigel barrier, and plasmin cotreatment potentiated whereas N-acetyl cysteine … bFGF and fibronectin … and invasion.”