Longevity Protein Klotho May Protect Against Cognitive Decline in Parkinson's

Vorläufige Evidenz·The Journal of neuroscience : the official journal of the Society for Neuroscience·März 2026

People with Parkinson's disease who carry a specific variant of the klotho gene tended to perform better on executive thinking tasks across two separate groups. In mice engineered to model Parkinson's, boosting klotho levels improved brain function and reduced alpha-synuclein (a toxic protein that builds up in Parkinson's). The cognitive benefits showed up without improving motor symptoms. Lab experiments suggested klotho may work by helping brain cells clear that toxic protein more effectively.

Key Insight

This study suggests klotho-related therapies could one day target cognitive decline in Parkinson's.

Originalstudie

The Journal of neuroscience : the official journal of the Society for Neuroscience··Two independent human PD cohorts (size not specified) plus transgenic mouse models

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