Autophagy for tissue homeostasis and neuroprotection
- PMID: 21030235
- DOI: 10.1016/j.ceb.2010.10.001
Autophagy for tissue homeostasis and neuroprotection
Abstract
Although autophagy has frequently been viewed as a cell death mechanism in the mammalian system, it is now considered as indispensable for the homeostasis of cells, tissues, and organisms. Basal or stress-induced autophagy plays essential and diverse roles in a variety of tissues, due to its cytoprotective properties. In this review, we briefly discuss the different homeostatic functions of autophagy that have been finely dissected in mammals through the generation and characterization of animal models with tissue-specific autophagic alterations. In addition, and given the importance of constitutive autophagy in neuronal tissues, we describe in more detail the specific roles of autophagy in the central nervous system (CNS). Finally, we discuss the contribution of autophagy malfunctions to the development of several common neurological disorders and the potential benefits of pharmacologically induced autophagy for the avoidance of neurodegeneration.
Copyright © 2010 Elsevier Ltd. All rights reserved.
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