Leading Biology's Mast Cell Chymase (CMA1) Rabbit pAb (APR25997N) is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: Western Blot. The Mast Cell Chymase (CMA1) Rabbit pAb (APR25997N) Antibody was generated using chymase 1, and CMA1 as the antigen and it reacts with Human, and Mouse.