Taurine Protects Irinotecan-induced Muscle Dysfunction by Modulating Oxidative Stress and Endoplasmic Reticulum Stress in Human Skeletal Muscle Cells.

IF 1.6 4区 医学 Q4 ONCOLOGY
Chih-I Chen, Yu-Chi Chen, Yi-Kai Kao, Chia-Hung Chen, Po-Wen Yang, Pin-Chun Chen, Ling-Chiao Song, Kai Lung Tsai
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引用次数: 0

Abstract

Background/aim: Irinotecan is a key component of standard first-line treatment for metastatic colorectal cancer. However, irinotecan-induced muscle dysfunction is a contributing factor to cancer cachexia. Here, we present the protective effect of taurine, a conditionally essential amino acid with great antioxidant properties, in attenuating muscle dysfunction induced by irinotecan.

Materials and methods: Irinotecan (20 μg/ml) was added to human skeletal muscle cells (HSkMCs) with or without pre-treatment of taurine (5 mM). The effects of taurine and irinotecan on the viability, cytotoxicity, and differentiation ability of HSkMC myoblasts were examined. The intracellular reactive oxygen species (ROS) and endoplasmic reticulum stress (ERS) were also monitored.

Results: Irinotecan caused cytotoxicity of HSkMCs, while taurine pretreatment increased cell viability and inhibited adenylate kinase release significantly in both myoblasts and myotubes. During differentiation, taurine increased ROS clearance and preserved the myotube differentiation ability impaired by irinotecan. Irinotecan exposure resulted in the up-regulation of CCAAT/enhancer-binding protein homologous protein (CHOP) and glucose-regulated protein 78 (GRP78). Taurine pretreatment could combat such irinotecan-induced ERS.

Conclusion: The current in vitro study provides molecular evidence that taurine plays a beneficial role in protecting against irinotecan-induced muscle dysfunction by modulating oxidative stress and endoplasmic reticulum stress.

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来源期刊
Anticancer research
Anticancer research 医学-肿瘤学
CiteScore
3.70
自引率
10.00%
发文量
566
审稿时长
2 months
期刊介绍: ANTICANCER RESEARCH is an independent international peer-reviewed journal devoted to the rapid publication of high quality original articles and reviews on all aspects of experimental and clinical oncology. Prompt evaluation of all submitted articles in confidence and rapid publication within 1-2 months of acceptance are guaranteed. ANTICANCER RESEARCH was established in 1981 and is published monthly (bimonthly until the end of 2008). Each annual volume contains twelve issues and index. Each issue may be divided into three parts (A: Reviews, B: Experimental studies, and C: Clinical and Epidemiological studies). Special issues, presenting the proceedings of meetings or groups of papers on topics of significant progress, will also be included in each volume. There is no limitation to the number of pages per issue.
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