Medical Biologicals

Medical & Biological Laboratories (MBL) is a leading Japanese biotechnology company specializing in the development and manufacture of reagents for research and diagnostic use. Established in 1969 as the first manufacturer of antibodies in Japan, the company provides a vast portfolio of products focusing on immunology, oncology, and molecular diagnostics. MBL is particularly recognized for its expertise in autoimmune disease diagnostics and its proprietary MHC tetramer technology used in monitoring antigen-specific T-cell responses. The company operates as a subsidiary of JSR Corporation, leveraging its extensive library of monoclonal and polyclonal antibodies to support both academic research and clinical laboratory testing globally.