text: Human immortalized corneal fibroblasts were treated with TGF-β in the presence of TSA, the << NAD(P)H oxidase >> inhibitor diphenyleneiodonium ([[ DPI ]]), the antioxidant N-acetyl-cysteine (NAC), the NF-E2-related factor 2-antioxidant response element (Nrf2-ARE) activator sulforaphane, or small interfering RNA.