期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 70, 期 2, 页码 196-211出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2017.05.034
关键词
apoptosis; mitochondria; necrosis; reactive oxygen species; senescence; sirtuin; telomere
资金
- National Heart, Lung, and Blood Institute Division of Intramural Research [HL005102-11]
- Finnish Medical Association
- Minerva Foundation for Medical Research
- National Institutes of Health [R01HL130423]
- American Heart Association [14SFRN20490315, 14SFRN20840000]
- Leducq Foundation (Transatlantic Network of Excellence Award)
The generation of reactive oxygen species (ROS) is a fundamental aspect of normal human biology. However, when ROS generation exceeds endogenous antioxidant capacity, oxidative stress arises. If unchecked, ROS production and oxidative stress mediate tissue and cell damage that can spiral in a cycle of inflammation and more oxidative stress. This article is part 1 of a 3-part series covering the role of oxidative stress in cardiovascular disease. The broad theme of this first paper is the mechanisms and biology of oxidative stress. Specifically, the authors review the basic biology of oxidative stress, relevant aspects of mitochondrial function, and stress-related cell death pathways (apoptosis and necrosis) as they relate to the heart and cardiovascular system. They then explore telomere biology and cell senescence. As important regulators and sensors of oxidative stress, telomeres are segments of repetitive nucleotide sequence at each end of a chromosome that protect the chromosome ends from deterioration. (C) 2017 by the American College of Cardiology Foundation. Published by Elsevier. All rights reserved.
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