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Autophagy in cardiac myocyte homeostasis, aging, and pathology
Linköping University, Faculty of Health Sciences. Linköping University, Department of Neuroscience and Locomotion, Pathology.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Pharmacology.
2005 (English)In: Cardiovascular Research, ISSN 0008-6363, Vol. 68, no 3, 355-365 p.Article in journal (Refereed) Published
Abstract [en]

Autophagy, an intralysosomal degradation of cells' own constituents that includes macro-, micro-, and chaperone-mediated autophagy, plays an important role in the renewal of cardiac myocytes. This cell type is represented by long-lived postmitotic cells with very poor (if any) replacement through differentiation of stem cells. Macroautophagy, the most universal form of autophagy, is responsible for the degradation of various macromolecules and organelles including mitochondria and is activated in response to stress, promoting cell survival. This process is also involved in programmed cell death when injury is irreversible. Even under normal conditions, autophagy is somewhat imperfect, underlying gradual accumulation of defective mitochondria and lipofuscin granules within aging cardiac myocytes. Autophagy is involved in the most important cardiac pathologies including myocardial hypertrophy, cardiomyopathies, and ischemic heart disease, a fact that has led to increasing attention to this process. © 2005 European Society of Cardiology. Published by Elsevier B.V. All rights reserved.

Place, publisher, year, edition, pages
2005. Vol. 68, no 3, 355-365 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-30126DOI: 10.1016/j.cardiores.2005.08.014Local ID: 15605OAI: diva2:250947
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2011-01-12

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