Lysosomal accumulation of gliadin p31–43 peptide induces oxidative stress and tissue transglutaminase-mediated PPARγ downregulation in intestinal epithelial cells and coeliac mucosa

Abstract

p31-43 accumulation in lysosomes leads to epithelial activation via the ROS-TG2 axis. TG2 works as a rheostat of ubiquitination and proteasome degradation and drives inflammation via PPARgamma downregulation.