期刊
ANNUAL REVIEW OF PHYSIOLOGY, VOL 75
卷 75, 期 -, 页码 49-67出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-physiol-030212-183707
关键词
cellular reticular network; energy and nutrient homeostasis; oxidative stress; metabolism; unfolded protein response; regulon
类别
资金
- Canadian Institutes of Health Research Funding Source: Medline
The endoplasmic reticulum (ER) is a multifunctional intracellular organelle, a component of the cellular reticular network that allows cells to adjust to a wide variety of conditions. The cardiomyocyte reticular network is the ideal location of sensors for both intrinsic and extrinsic factors that disrupt energy and/or nutrient homeostasis and lead to ER stress, a disturbance in ER function. ER stress has been linked to both physiological and pathological states in the cardiovascular system; such states include myocardial infarction, oxygen starvation (hypoxia) and fuel starvation, ischemia, pressure overload, dilated cardiomyopathy, hypertrophy, and heart failure. The ER stress coping response (e.g., the unfolded protein response) is composed of discrete pathways that are controlled by a collection of common regulatory components that may function as a single entity involved in reacting to ER stress. These corrective strategies allow the cardiomyocyte reticular network to restore energy and/or nutrient homeostasis and to avoid cell death. Therefore, the identities of the ER stress corrective strategies are important targets for the development of therapeutic approaches for cardiovascular and other acquired disorders.
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