Journal
JOURNAL OF CHEMICAL NEUROANATOMY
Volume 42, Issue 4, Pages 242-248Publisher
ELSEVIER
DOI: 10.1016/j.jchemneu.2010.12.001
Keywords
Alpha-synuclein; Synucleinopathy; Neurotransmission; Synaptic plasticity; Neuron
Categories
Funding
- National High Technology Research and Development Program (863Program) of China [2006AA02A408]
- National Basic Research Program (973 Program) of China [2011CB504101]
- National Natural Science Foundation of China [30270482, 30271437, 30430280, 81071014]
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Alpha-synuclein (alpha-syn), a synaptic protein richly expressed in the central nervous system, has been implicated in several neurodegenerative diseases, such as Alzheimer's disease, Parkinson's disease, multiple system atrophy, and dementia with Lewy bodies, which are collectively known as synucleinopathies. By contrast to the clear evidence for the involvement of alpha-syn in synucleinopathies, its physiological functions remain elusive, which becomes an impediment for revelation of its pathological mechanism. Since alpha-syn is richly expressed in presynaptic terminals and associated with synaptic vesicles, a large number of studies have been focused on revealing the potential functions of this protein in neurotransmission and synaptic plasticity. In this review article, we summarized recent advances for the role of alpha-syn in synaptic vesicle recycling, neurotransmitter synthesis and release, and synaptic plasticity. We discussed the possible relevance between the loss of normal alpha-syn functions in disease conditions and the onset of some neurodegenerative diseases. (C) 2010 Elsevier B.V. All rights reserved.
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