NO2-FAs are mainly formed in the gastric compartment and, upon absorption and distribution, exert protective effects by activating antioxidant, anti-inflammatory, and antifibrotic signaling pathways. NO2-FAs are finally metabolized and eliminated, at least partially, through kidney filtration. Abbreviations: HSP, ; NF-κB, nuclear factor-κB; NO2-FA, nitro-fatty acid; Keap1, ; Nrf2, nuclear factor (erythroid-derived 2)-like 2; TG, triglyceride.