该Actin muscle specific(MSA) Monoclonal Antibody. Actin muscle specific Monoclonal Antibody can be used to label smooth muscle and tumor of its origin, as well as myoepithelial cells, especially in the differentiation of breast hyperplasia and cancer. In addition, it is also used to label myofibroblasts and their tumors. For the judging of smooth muscle tumors, and it is suggested to combine with smooth muscle actin (SMA) Monoclonal Antibody and vimentin Monoclonal Antibody.