LIGHT is induced in several inflammatory diseases and autoimmune connective tissue disorders with fibroproliferative features, including asthma, idiopathic pulmonary fibrosis (IPF), atopic dermatitis (AD), SSc, eosinophilic esophagitis (EoE), and non-alcoholic fatty liver disease (NAFLD), and many others (51). The gene discussed is TNFSF14; the disease is eosinophilic esophagitis.