期刊
CURRENT OPINION IN NEPHROLOGY AND HYPERTENSION
卷 14, 期 2, 页码 149-153出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00041552-200503000-00010
关键词
antioxidants; cardiovascular disease; endothelium; signal transduction; smooth muscle
资金
- NHLBI NIH HHS [HL 62826, HL 64839] Funding Source: Medline
Purpose of review Recent studies indicate that an imbalance in cell redox state alters multiple cell pathways that may contribute to the pathogenesis of cardiovascular disorders including hypertension and renal failure. Recent findings The thioredoxin system (thioredoxin, thioredoxin reductase, and NADPH) is a ubiquitous thiol oxidoreductase system that regulates cellular reduction/oxidation (redox) status, Thioredoxin plays an essential role in cell function by limiting oxidative stress directly via antioxidant effects and indirectly by protein-protein interactions with key signaling molecules such as thioredoxin-interacting protein (TXNIP). Examples include the findings that hyperglycemia and diabetes induce TXNIP and decrease thioredoxin activity, while steady blood flow decreases TXNIP and increases thioredoxin activity. Summary Based on these findings we propose that thioredoxin and its endogenous regulators represent important future targets to develop clinical therapies for diseases associated with oxidative stress.
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