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Neurosci Lett. 2010 Jan 29;469(3):357-9. doi: 10.1016/j.neulet.2009.12.027. Epub 2009 Dec 18.

Clinical availability of skin biopsy in the diagnosis of Parkinson's disease.

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Department of Neuropathology, Institute of Brain Science, Hirosaki University Graduate School of Medicine, Hirosaki 036-8562, Japan.


To determine whether skin biopsy is practically useful in the premortem diagnosis for Parkinson's disease (PD), we examined Lewy pathology in the skin of the chest wall and leg, obtained from 6-mm punch biopsies, using phosphorylated alpha-synuclein antibody in 20 patients with clinically diagnosed PD. Abnormal accumulation of alpha-synuclein was found in the chest skin of two (10%) of 20 patients, but not in the leg. Although skin biopsy combined with a conventional immunohistochemistry for alpha-synuclein is not sufficient as a diagnostic tool, we could firstly demonstrate Lewy pathology in premortem tissue. The skin remains to be a promising tissue to be examined for the premortem diagnosis of PD.

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