Why do all surviving dopaminergic neurons in Parkinson's patients retain RGS6 expression despite neuronal loss?

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Description

The observation that RGS6 is maintained in all surviving SNc neurons in Parkinson’s disease suggests a protective role, but the mechanism of this selective preservation is unclear. This could reveal key survival pathways in neurodegeneration.

Gap type: unexplained_observation Source paper: Age-dependent nigral dopaminergic neurodegeneration and α-synuclein accumulation in RGS6-deficient mice. (2019, JCI Insight, PMID:31120439)

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