Growth factors: regulating cell growth, promote bone development

&Nbsp;   transforming growth factor-beta (transforming growth factor-beta, TGF-beta) is a set of recently discovered regulating cell growth and differentiation of TGF-beta superfamily. Transforming growth factor-beta (TGF-beta) is a multifunctional regulator, it participated in the development process, immune response, organizations on stress reaction injury and repair process.