LewisY blood antigen or simply BG8, is a blood group antigen that has been identified in studies as a potential marker for differentiating pulmonary adenocarcinoma (PACA) from epithelioid mesothelioma (EM). SensiStain Anti-BG8, Lewis^y Antibody is designed to detect LewisY antigen and is in ready-to-use format for your research needs.