Abstract
Skeletal muscle is composed of muscle fibers that are multinucleated and elongated structures. During myogenesis, undifferentiated mononuclear cells, the myoblasts, proliferate and fuse, forming myotubes, differentiated multinucleated cells. In mature myotubes, proteins such as actin and myosin, protagonists in muscle contraction, are expressed. Different forms of myosins are expressed in…