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Articles 1 - 2 of 2
Full-Text Articles in Entire DC Network
Methylglyoxal Increases Cardiomyocyte Ischemia-Reperfusion Injury Via Glycative Inhibition Of Thioredoxin Activity., Xiaoliang Wang, Wayne B. Lau, Yue-Xing Yuan, Ya-Jing Wang, Wei Yi, Theodore A. Christopher, Bernard L. Lopez, Hui-Rong Liu, Xin-Liang Ma
Methylglyoxal Increases Cardiomyocyte Ischemia-Reperfusion Injury Via Glycative Inhibition Of Thioredoxin Activity., Xiaoliang Wang, Wayne B. Lau, Yue-Xing Yuan, Ya-Jing Wang, Wei Yi, Theodore A. Christopher, Bernard L. Lopez, Hui-Rong Liu, Xin-Liang Ma
Department of Emergency Medicine Faculty Papers
Diabetes mellitus (DM) is closely related to cardiovascular morbidity and mortality, but the specific molecular basis linking DM with increased vulnerability to cardiovascular injury remains incompletely understood. Methylglyoxal (MG), a precursor to advanced glycation end products (AGEs), is increased in diabetic patient plasma, but its role in diabetic cardiovascular complications is unclear. Thioredoxin (Trx), a cytoprotective molecule with antiapoptotic function, has been demonstrated to be vulnerable to glycative inhibition, but whether Trx is glycatively inhibited by MG, thus contributing to increased cardiac injury, has never been investigated. Cultured H9c2 cardiomyocytes were treated with MG (200 muM) for 6 days. The …
Cardiomyocyte-Derived Adiponectin Is Biologically Active In Protecting Against Myocardial Ischemia-Reperfusion Injury., Yajing Wang, Wayne Bond Lau, Erhe Gao, Ling Tao, Yuexing Yuan, Rong Li, Xiaoliang Wang, Walter J. Koch, Xin-Liang Ma
Cardiomyocyte-Derived Adiponectin Is Biologically Active In Protecting Against Myocardial Ischemia-Reperfusion Injury., Yajing Wang, Wayne Bond Lau, Erhe Gao, Ling Tao, Yuexing Yuan, Rong Li, Xiaoliang Wang, Walter J. Koch, Xin-Liang Ma
Department of Emergency Medicine Faculty Papers
Adiponectin (APN) has traditionally been viewed as an adipocyte-specific endocrine molecule with cardioprotective effects. Recent studies suggest that APN is also expressed in cardiomyocytes. However, biological significances of this locally produced APN remain completely unknown. The aim of this study was to investigate the pathological and pharmacological significance of cardiac-derived APN in cardiomyocyte pathology. Adult cardiomyocytes from wild-type littermates (WT) or gene-deficient mice were pretreated with vehicle (V) or rosiglitazone (RSG) for 6 h followed by simulated ischemia-reperfusion (SI/R, 3 h/12 h). Compared with WT cardiomyocytes, myocytes from APN knockout (APN-KO) mice sustained greater SI/R injury, evidenced by greater oxidative/nitrative …