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Dexrazoxane ameliorates doxorubicin-induced cardiotoxicity by inhibiting both apoptosis and necroptosis in cardiomyocytes

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机构: [a]Peking University Fifth School of Clinical Medicine, Beijing, 100730, China [b]The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, P.R. China, Beijing, 100730, China [c]Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
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关键词: Apoptosis Dexrazoxane Doxorubicin Necroptosis NF-κB p38MAPK

摘要:
Doxorubicin, as a first line chemotherapeutic agent, its usage is limited owing to cardiotoxicity. Necroptosis is a new form of programmed cell death, and recent investigations indicated that necroptosis is vitally involved in serious cardiac pathological conditions. Dexrazoxane is the only cardiac protective drug approved by FDA for anthracycline. We aimed to explore whether and how dexrazoxane regulates doxorubicin-induced cardiomyocyte necroptosis. First, doxorubicin could cause heart failure and reduce cardiomyocyte viability by promoting cell apoptosis and necroptosis in vivo and in vitro. Second, necroptosis plays an important role in doxorubicin induced cardiomyocyte injury, which could be inhibited by Nec-1. Third, dexrazoxane increased cell viability and protect heart function by decreasing both cardiomyocyte apoptosis and necroptosis after doxorubicin treatment. Forth, dexrazoxane attenuated doxorubicin-induced inflammation and necroptosis by the inhibition of p38MAPK/NF-κB pathways. These results indicated that dexrazoxane ameliorates cardiotoxicity and protects heart function by attenuating both apoptosis and necroptosis in doxorubicin induced cardiomyocyte injury. © 2019 Elsevier Inc.

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出版当年[2018]版:
大类 | 3 区 生物
小类 | 3 区 生物物理 4 区 生化与分子生物学
最新[2023]版:
大类 | 3 区 生物学
小类 | 3 区 生物物理 4 区 生化与分子生物学
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