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  • Title: KIOM-79 prevents xylose-induced lens opacity and inhibits TGF-beta2 in human lens epithelial cells cultured under high glucose.
    Author: Kim NH, Kim YS, Jung DH, Kim JS.
    Journal: J Ethnopharmacol; 2010 Aug 09; 130(3):599-606. PubMed ID: 20561927.
    Abstract:
    AIM OF THE STUDY: To investigate the effects of KIOM-79 in preventing the development of diabetic complications, such as cataracts. MATERIALS AND METHODS: The inhibitory effects of KIOM-79 were assessed in a model of xylose-induced lens opacity and on changes mediated by high levels of glucose in human lens epithelial (HLE-B3) cells. RESULTS: In lenses treated with KIOM-79, opacity was significantly improved and glutathione (GSH) was increased compared to controls. In HLE-B3 cells treated with KIOM-79, high glucose-mediated increases in TGF-beta2, alphaB-crystallin, and fibronectin were significantly inhibited in a dose-dependent manner. KIOM-79 decreased the phosphorylation of p-Smad2/3, pp38MAPK, pp44/42, and NF-kappaB signaling in cells grown under high glucose conditions. CONCLUSION: KIOM-79 is protective against lens opacity and protects HLE-B3 cells from the toxic effects of high glucose. Therefore, KIOM-79 may provide a potential therapeutic approach for preventing diabetic complications, such as cataracts.
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