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    Genomics. 2004 Apr;83(4):739-42.

    alpha-Synuclein A53T substitution associated with Parkinson disease also marks the divergence of Old World and New World primates.

    Hamilton BA.

    Department of Medicine and Department of Cellular and Molecular Medicine, University of California at San Diego School of Medicine, La Jolla, CA 92093-0644, USA. bah@ucsd.edu

    The alpha-synuclein mutation Ala53Thr is associated with increased oligomerization, toxicity, and early onset Parkinson disease in humans, but 53Thr is the normal residue in other species. Comparative sequencing of SNCA genes shows that 53Ala marks the divergence of Old World and New World primates, in an otherwise constrained protein region. These results have implications for interpreting Parkinson disease models and suggest that other long-lived mammals have different mechanisms to forestall alpha-synucleinopathy.

    PMID: 15028296 [PubMed - indexed for MEDLINE]

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