GDF-8 - 85%
Myostatin (also known as growth differentiation factor 8, abbreviated GDF-8) is a myokine, a_cc781905- 5cde-3194-bb3b-136bad5cf58d_protein produced and released by myocytes that act on muscle cells' autocrine function to inhibit_cc781905-5cde-3194-bb3b- 136bad5cf58d_myogenesis: crecimiento y diferenciación de células musculares.
En humanos, está codificado por the MSTN gene. 
Myostatin is a secreted growth differentiation factor that is a member of the TGF beta protein family.