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ABBS: Trx1/Prdx2 play a role in cardiac hypertrophy

已有 511 次阅读 2019-7-16 09:06 |个人分类:期刊新闻|系统分类:论文交流| ROS, Trx1, Prdx2, isoproterenol, cardiac hypertrophy

Alterations in NO/ROS ratio and expression of Trx1 and Prdx2 in isoproterenol-induced cardiac hypertrophy

Hao Su, Marco Pistolozzi, Xingjuan Shi, Xiaoou Sun, and Wen Tan

Institute of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, China

Acta Biochim Biophys Sin 2017, 49: 1022–1028; doi: 10.1093/abbs/gmx102

The development of cardiac hypertrophy is a complicated process, which undergoes a transition from compensatory hypertrophy to heart failure, and the identification of new biomarkers and targets for this disease is greatly needed. Here we investigated the development of isoproterenol (ISO)-induced cardiac hypertrophy in an in vitro experimental model. After the induction of hypertrophy with ISO treatment in H9c2 cells, cell surface area, cell viability, cellular reactive oxygen species (ROS), and nitric oxide (NO) levels were tested. Our data showed that the cell viability, mitochondrial membrane potential, and NO/ROS balance varied during the development of cardiac hypertrophy in H9c2 cells. It was also found that the expression of thioredoxin1 (Trx1) and peroxiredoxin2 (Prdx2) was decreased during the cardiac hypertrophy of H9c2 cells. These results suggest a critical role for Trx1 and Prdx2 in the cardiac hypertrophy of H9c2 cells and in the transition from compensated hypertrophy to de-compensated hypertrophy in H9c2 cells, and our findings may have important implications for the management of this disease.

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ISO results in an imbalance in NO/ROS

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ISO-induced cardiac hypertrophy is related to the expression of Trx1 and Prdx2

阅读原文: http://www.abbs.org.cn/arts.asp?id=4228

获取全文: abbs@sibs.ac.cn

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