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Article Dans Une Revue FASEB Journal Année : 2004

Does alpha-synuclein modulate dopaminergic synaptic content and tone at the synapse?

Résumé

alpha-Synuclein is a key component of the pathological process of neurodegeneration in Parkinson's disease. Although its contributions to normal physiological conditions remain elusive, converging observations suggest that a primary function of this protein in dopaminergic neurons may be the regulation of dopamine content and synaptic tone at the synapse. We review here cumulative evidence that demonstrates the participation of alpha-synuclein in the life cycle of dopamine from its synthesis, storage, release, and reuptake. The regulatory role of alpha-synuclein on dopamine metabolism is assessed by discussing the experimental evidence supporting each of these observations in the healthy physiological maintenance of dopaminergic neurons, as well as showing how disruption of these events can initiate the observed neurotoxicity of alpha-synuclein and the genesis of the degenerative processes associated with Parkinson's disease.
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hal-00121746 , version 1 (21-12-2006)

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Christophe Wersinger, Philippe Vernier, Anita Sidhu. Does alpha-synuclein modulate dopaminergic synaptic content and tone at the synapse?. FASEB Journal, 2004, 18 (6), pp.637-47. ⟨10.1096/fj.03-1112rev⟩. ⟨hal-00121746⟩

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