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How to Live Long and Prosper: Autophagy, Mitochondria, and Aging

How to Live Long and Prosper: Autophagy, Mitochondria, and Aging Autophagy is a process of cellular self-degradation in which portions of the cytoplasm are sequestered within cytosolic double-membrane vesicles and delivered to the lysosome/vacuole. This process occurs in all eukaryotic cells and is partly a stress response; autophagy is induced during starvation and hypoxia. However, autophagy also plays a role during development and is associated with a range of diseases. Accumulating data also suggest the involvement of autophagy in aging. For example, the role of various hormones and nutrient sensing pathways in life span extension may involve autophagy. Similarly, autophagy is the primary mechanism for removing damaged organelles, such as mitochondria, which may have a direct impact on aging. Here, we review the role of autophagy, with an emphasis on the signaling pathways that are involved in regulation, and the consequences of autophagy induction with regard to aging. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physiology The American Physiological Society

How to Live Long and Prosper: Autophagy, Mitochondria, and Aging

Physiology , Volume 23 (5): 248 – Oct 1, 2008

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Publisher
The American Physiological Society
Copyright
Copyright © 2011 the American Physiological Society
ISSN
1548-9213
eISSN
1548-9221
DOI
10.1152/physiol.00013.2008
pmid
18927201
Publisher site
See Article on Publisher Site

Abstract

Autophagy is a process of cellular self-degradation in which portions of the cytoplasm are sequestered within cytosolic double-membrane vesicles and delivered to the lysosome/vacuole. This process occurs in all eukaryotic cells and is partly a stress response; autophagy is induced during starvation and hypoxia. However, autophagy also plays a role during development and is associated with a range of diseases. Accumulating data also suggest the involvement of autophagy in aging. For example, the role of various hormones and nutrient sensing pathways in life span extension may involve autophagy. Similarly, autophagy is the primary mechanism for removing damaged organelles, such as mitochondria, which may have a direct impact on aging. Here, we review the role of autophagy, with an emphasis on the signaling pathways that are involved in regulation, and the consequences of autophagy induction with regard to aging.

Journal

PhysiologyThe American Physiological Society

Published: Oct 1, 2008

There are no references for this article.