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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Loss Of Thiol Repair Systems In Human Cataractous Lenses, Min Wei, Kui-Yi Xing, Yin-Chuan Fan, Teodosio Libondi, Marjorie F. Lou
Loss Of Thiol Repair Systems In Human Cataractous Lenses, Min Wei, Kui-Yi Xing, Yin-Chuan Fan, Teodosio Libondi, Marjorie F. Lou
School of Veterinary and Biomedical Sciences: Faculty Publications
PURPOSE. The purpose of this study was to investigate the thiol repair systems of thioltransferase (TTase) and thioredoxin (Trx) and oxidation-damaged proteins in human cataractous lenses.
METHODS. Cataractous lenses in humans (57–85 years of age) were classified into cortical, nuclear, mixed, mature, and hypermature cataract types by using a lens opacity classification system, and were obtained by extracapsular cataract extraction (ECCE) procedure. Cortical and nuclear cataracts were grouped by decreasing order of visual acuity into optical chart reading (R), counting fingers (CF), hand motion (HM), and light perception (LP). ECCE lens homogenate was analyzed for glutathione (GSH) level and enzyme …