Hydrogen gas-based therapy for Diabetic retinopathy:  Inhalation of hydrogen gas inhibits Soluble epoxide hydrolase (sEH) expression, decreases toxic 19,20-dihydroxydocosapentaenoic acid levels, inhibits pericyte loss, vascular permeability, and inflammation of the eye and progression of diabetic retinopathy, via down regulation of its target gene, 29/March/2018, 6.43 am