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  • Title: Emerging role of thiamine therapy for prevention and treatment of early-stage diabetic nephropathy.
    Author: Rabbani N, Thornalley PJ.
    Journal: Diabetes Obes Metab; 2011 Jul; 13(7):577-83. PubMed ID: 21342411.
    Abstract:
    Thiamine supplementation may prevent and reverse early-stage diabetic nephropathy. This probably occurs by correcting diabetes-linked increased clearance of thiamine, maintaining activity and expression of thiamine pyrophosphate-dependent enzymes that help counter the adverse effects of high glucose concentrations-particularly transketolase. Evidence from experimental and clinical studies suggests that metabolism and clearance of thiamine is disturbed in diabetes leading to tissue-specific thiamine deficiency in the kidney and other sites of development of vascular complications. Thiamine supplementation prevented the development of early-stage nephropathy in diabetic rats and reversed increased urinary albumin excretion in patients with type 2 diabetes and microalbuminuria in two recent clinical trials. The thiamine monophosphate prodrug, Benfotiamine, whilst preventing early-stage development of diabetic nephropathy experimentally, has failed to produce similar clinical effect. The probable explanations for this are discussed. Further definitive trials for prevention of progression of early-stage diabetic nephropathy by thiamine are now required.
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