Chemical Colitis is related to ischemic colitis and clostridium difficile colitis. An important gene associated with Chemical Colitis is REG3G (Regenerating Family Member 3 Gamma), and among its related pathways/superpathways are Innate Immune System and MIF Mediated Glucocorticoid Regulation. Affiliated tissues include colon and endothelial, and related phenotypes are Synthetic lethal with MLN4924 (a NAE inhibitor) and homeostasis/metabolism