TGM2 and Cowden disease: The Anti‐TG2‐based CD diagnosis group had a lower expression of genes associated with e.g., MHC class II antigen presentation, regulation of natural killer cell mediated immunity, response to interferon‐alpha, metabolic (e.g., fatty acid, xenobiotic) and catabolic (e.g., oligosaccharide, lipid) processes, intestinal absorption, and lipid and lipoprotein processes.