For this reason, IgG and IgA native antigliadin antibodies (AGA) are currently the most sensitive marker for GA when compared to endomysium (EMA) and transglutaminase 2 antibodies (TG2), both of which are specific for the presence of enteropathy (Coeliac Disease-CD) [2]. This evidence concerns the gene TGM2 and Abnormal intestine morphology.