Myelin associated glycoprotein (MAG) antibody In 'Paraneoplastic Neurological Antibodies' IntroductionHu (ANNA1)Ri (ANNA2)Yo (PCA-1)AmphiphysinCV2 (CRMP5)Ma antibodyTr (PCA-Tr)Glutamic acid decarboxylase (GAD)Myelin associated glycoprotein (MAG)Skeletal muscle antibody Back to 'Neuroimmunology' MAG reactivity Primate sciatic nerve showing anti-MAG IgM staining the inner and outer myelin of axons (targets is a 100 kDa glycoprotein). Anti-MAG (IgM) binding to the white matter sandwiched between the granular layer of the primate cerebellum. Neurological syndrome: Peripheral neuropathy Associated tumour: Waldenstrom's macroglobulinaemia, multiple myeloma