Prof. Dr. Christiane Richter-Landsberg




alpha-synuclein is developmentally expressed in cultured rat brain oligodendrocytes.
Richter-Landsberg C, Gorath M, Trojanowski JQ, Lee VM.; J Neurosci Res. 2000 Oct 1;62(1):9-14.
Although a neuronal protein, alpha-synuclein is a major component of glial cytoplasmic inclusions (GCIs) in oligodendrocytes of multiple system atrophy (MSA) brains. Because alpha-synuclein has not been identified in oligodendrocytes of normal brains, we examined cultured rat brain oligodendrocytes during in vitro development and showed that alpha-synuclein mRNA and protein are present in cultured oligodendrocytes. The expression of alpha-synuclein was developmentally regulated; it increased to peak levels at 2 or 3 days in culture but declined thereafter. Indirect immunofluorescence further shows that alpha-synuclein was localized predominantly in cell bodies and primary processes of oligodendroglia. Thus, GCIs may be a consequence of altered rather than de novo expression of alpha-synuclein in MSA oligodendrocytes.

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