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Histol Histopathol. 2003 Apr;18(2):509-17. doi: 10.14670/HH-18.509.

Ubiquitinated inclusions and neuronal cell death.

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Department of Neurology, Columbia University, New York, NY 10032, USA.


Ubiquitinated inclusions and selective neuronal cell death are considered the pathological hallmarks of Parkinson's disease and other neurodegenerative diseases. Recent genetic, pathological and biochemical evidence suggests that dysfunction of ubiquitin-dependent protein degradation by the proteasome might be a contributing, if not initiating factor in the pathogenesis of these diseases. In neuronal cell culture models inhibition of the proteasome leads to cell death and formation of fibrillar ubiquitin and alpha-synuclein-positive inclusions, thus modeling some aspects of Lewy body diseases. The processes of inclusion formation and neuronal cell death share some common mechanisms, but can also be dissociated at a certain level.

[Indexed for MEDLINE]

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