PSEN1 G417S mutation in a Chinese pedigree causing early-onset parkinsonism with cognitive impairment.

Abstract excerpt

Presenilin 1 (PSEN1) mutations are a major cause of familial Alzheimer's disease. The pathogenic variant, PSEN1 p.G417S, has been reported to be associated with spastic paraparesis and cotton wool plaques in Japan. Here, we report a 3 generation Chinese pedigree that included 10 patients presenting with early-onset and rapid progression of parkinsonism with cognitive impairment in their third or fourth decade of...

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