Sunday, March 5, 2017

Neuroinflammation in Multiple System Atrophy: Response to and Cause of α-Synuclein Aggregation https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4700780/

Neuroinflammation in Multiple System Atrophy: Response to and Cause of α-Synuclein Aggregation

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4700780/

Abstract

Multiple system atrophy (MSA) is a progressive neurodegenerative disease presenting with combinations of autonomic dysfunction, parkinsonism, cerebellar ataxia and/or pyramidal signs. Oligodendroglial cytoplasmic inclusions (GCIs) rich in α-synuclein (α-syn) constitute the disease hallmark, accompanied by neuronal loss and activation of glial cells which indicate neuroinflammation. Recent studies demonstrate that α-syn may be released from degenerating neurons to mediate formation of abnormal inclusion bodies and to induce neuroinflammation which, interestingly, might also favor the formation of intracellular α-syn aggregates as a consequence of cytokine release and the shift to a pro-inflammatory environment. Here, we critically review the relationships between α-syn and astrocytic and microglial activation in MSA to explore the potential of therapeutics which target neuroinflammation.

Keywords: multiple system atrophy, α-synuclein, neuroinflammation, astrocytes, microglia

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