논문 (학술지)
Salinomycin ameliorates oxidative hepatic damage through AMP-activated protein kinase, facilitating autophagy
등록번호 | - | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
SCI |
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저자명 (주·공동저자) | Kim Kwang-Youn; 장재훈; 오태우 ※ 과제 참여정보와 일치하는 연구자 상세정보로 정확하지 않을 수 있습니다. |
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논문구분 | 국외전문학술지 | 학술지명 | TOXICOLOGY AND APPLIED PHARMACOLOGY |
ISSN | 0041-008X | 학술지 출판일자 | - |
학술지 볼륨번호 | 360 | 논문페이지 | 141 ~ 149 |
학술지 임팩트팩터 | 3.616 | 기여율 | 100 % |
DOI | 10.1016/j.taap.2018.10.002 | ||
초록 | Salinomycin, a monocarboxylic ionophore in Streptomyces albus, has been studied as an anti-cancer agent. However, we wondered whether salinomycin has another effect such as an anti-oxidant and hepatic protectant, because some chemical drugs treating human diseases were sometimes related with their toxic effects. Therefore, this study was conducted to examine the effects of salinomycin against oxidative stress and mitochondrial impairment in vivo and in vitro as well as the cellular mechanisms of action. In hepatocyte, salinomycin inhibited arachidonic acid (AA)+iron-induced apoptosis, mitochondrial dysfunction and ROS production. As a molecular mechanism, salinomycin induced autophagy through AMP-activated protein kinase (AMPK) activation, as assessed by the accumulation of acidic vesicle organelles, p62 and LC3-II. Moreover, these protective effects were blocked by AMPK inhibition, which indicates the importance of AMPK in the process of salinomycin's effects. In mice, oral administration of salinomycin protected against carbon tetrachloride (CCl4)-induced oxidative stress and liver injury, and also activated AMPK as well as autophagy-related proteins in the liver. Collectively, salinomycin had the ability to protect hepatocytes against AA+iron-induced reactive oxygen species production and mitochondrial dysfunction, as well as CCl4-induced liver injury. Although this beneficial effect was demonstrated under severe oxidative stress, this study showed that salinomycin protected the liver against the oxidative stress and liver damage through AMPK and autophagy, and suggest that salinomycin has a possibility to treat a broad range of diseases. |
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