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The presence of Lewy bodies in nerve cells, formed by intracellular deposits of the protein a-synuclein, is a characteristic pathologic feature of Parkinson’s Disease (PD). In the quest for an animal model of PD that mimics motor and non-motor symptoms of human PD, scientists have developed strains of mice that overexpress a-synuclein. By studying a strain of mice bred to overexpress a-synuclein via the Thy-1 promoter, scientists have found these mice develop many of the age-related progressive motor symptoms of PD and demonstrate changes in sleep and anxiety. Their results are published in the latest issue of Journal of Parkinson’s Disease.
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