MyBioSource.com's Polyclonal Antibody to Alpha-2-Macroglobulin (a2M) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: ELISA, Immunocytochemistry, Immunohistochemistry, Immunohistochemistry - fixed, and Western Blot. The Polyclonal Antibody to Alpha-2-Macroglobulin (a2M) was generated using A2M, alpha-2-MACROGLOBULIN, and alpha-2M as the antigen and it reacts with Human, and Porcine.