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Review
. 2011 Apr;23(2):198-206.
doi: 10.1016/j.ceb.2010.10.001. Epub 2010 Oct 26.

Autophagy for tissue homeostasis and neuroprotection

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Review

Autophagy for tissue homeostasis and neuroprotection

Guillermo Mariño et al. Curr Opin Cell Biol. 2011 Apr.

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.

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