Autophagy in the mammalian nervous system: a primer for neuroscientists

Autophagy refers to the lysosomal degradation of damaged or superfluous components and is essential for metabolic plasticity and tissue integrity. This evolutionarily conserved process is particularly vital to mammalian post-mitotic cells such as neurons, which face unique logistical challenges and...

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Published in:Neuronal signaling 2019-09, Vol.3 (3), p.NS20180134
Main Authors: Suomi, Fumi, McWilliams, Thomas G
Format: Article
Language:English
Subjects:
Aging
Cell Homeostasis & Autophagy
Metabolism
Neuroscience
Organelles & Localization
Review
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description Autophagy refers to the lysosomal degradation of damaged or superfluous components and is essential for metabolic plasticity and tissue integrity. This evolutionarily conserved process is particularly vital to mammalian post-mitotic cells such as neurons, which face unique logistical challenges and must sustain homoeostasis over decades. Defective autophagy has pathophysiological importance, especially for human neurodegeneration. The present-day definition of autophagy broadly encompasses two distinct yet related phenomena: non-selective and selective autophagy. In this minireview, we focus on established and emerging concepts in the field, paying particular attention to the physiological significance of macroautophagy and the burgeoning world of selective autophagy pathways in the context of the vertebrate nervous system. By highlighting established basics and recent breakthroughs, we aim to provide a useful conceptual framework for neuroscientists interested in autophagy, in addition to autophagy enthusiasts with an eye on the nervous system.
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subjects Aging
Cell Homeostasis & Autophagy
Metabolism
Neuroscience
Organelles & Localization
Review
title Autophagy in the mammalian nervous system: a primer for neuroscientists
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