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Autophagy at the synapse. | LitMetric

Autophagy at the synapse.

Neurosci Lett

Department of Pathology & Cell Biology, Columbia University Medical Center, United States; Department of Neuroscience, Columbia University, United States. Electronic address:

Published: April 2019

AI Article Synopsis

  • - Synapses are communication sites between neurons that rely on specific protein interactions for transmitting signals, but they're far from the neuron cell bodies that produce and degrade these proteins.
  • - Disruptions in protein stability (proteostasis) can affect synapses, making effective protein degradation methods, like macroautophagy (or autophagy), crucial for clearing faulty proteins.
  • - Recent research highlights the significance of autophagy in maintaining healthy synapses throughout an organism's life and raises important questions for future studies in synaptic biology.

Article Abstract

As the sites of communication between neurons, synapses depend upon precisely regulated protein-protein interactions to support neurotransmitter release and reception. Moreover, neuronal synapses typically exist great distances (i.e. up to meters) away from cell bodies, which are the sources of new proteins and the major sites of protein degradation via lysosomes. Thus, synapses are uniquely sensitive to disruptions in proteostasis, and depend upon carefully orchestrated degradative mechanisms for the clearance of dysfunctional proteins. One of the primary cellular degradative pathways is macroautophagy, hereafter referred to as 'autophagy'. Although it has only recently become a focus of research in synaptic biology, emerging studies indicate that autophagy has essential functions at the synapse throughout an organism's lifetime. This review will discuss recent findings about the roles of synaptic autophagy, as well as some of the questions and issues to be considered in this field moving forward.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6251759PMC
http://dx.doi.org/10.1016/j.neulet.2018.05.033DOI Listing

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