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BackgroundComplement activation via the MBL pathway has been proposed to play a role in the pathogenesis of diabetic complications. As protein glycation is increased in diabetes, we tested the possibility that the glycation product fructoselysine is a ligand for MBL and that its interaction with this protein may initiate complement activation.
MethodsWe investigated the binding of MBL to fructoselysine...
One of the metabolic fates of 3-deoxyglucosone, a product of protein deglycation and a potent glycating agent, is to be oxidized to 2-keto-3-deoxygluconate, but the enzyme that catalyzes this reaction is presently unknown. Starting from human erythrocytes, which are known to convert 3-deoxyglucosone to 2-keto-3-deoxygluconate, we have purified to near homogeneity a NAD-dependent dehydrogenase that...
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