It roughly affects 1% of the population [1], and presents with an enteropathy characterized by villous atrophy and intraepithelial lymphocytosis, as well as the presence of specific serum autoantibodies such as IgA anti-transglutaminase-2 (TTG) and anti-endomysium (EMA) [2]. The gene discussed is TGM2; the disease is Atrophy.