Purkinje Cell Activity Poorly Predicted Cerebellar Output in Disease

Purkinje Cell Activity Poorly Predicted Cerebellar Output in Disease

TL;DR: A 2026 study in The Journal of Physiology found that steady-state Purkinje-cell firing patterns had limited ability to predict cerebellar nuclei output in mouse models of cerebellar movement disease. Key Findings 5 disease models: The reanalysis used in vivo recordings from mouse models involving ataxia, dystonia, tremor, and altered cerebellar circuitry. Purkinje-to-nuclei test: Researchers …

Read more

Il6 Deficiency Worsened Parkinson’s Mouse Damage by Sex

Il6 Deficiency Worsened Parkinson's Mouse Damage by Sex

TL;DR: A 2026 study in Genes & Diseases found that Il6 deficiency, meaning loss of the gene for interleukin-6, worsened Parkinson’s-like motor and dopamine-system injury in mice. Key Findings Il6 knockout worsened movement: Mice lacking Il6 performed worse after MPTP, a toxin commonly used to model Parkinson’s-like dopamine injury. Female knockout mice showed earlier damage: …

Read more

Boosting Astrocyte Sox9 Improved Amyloid Plaque Clearance and Preserved Cognition in Alzheimer’s Mouse Models

Boosting Astrocyte Sox9 Improved Amyloid Plaque Clearance and Preserved Cognition in Alzheimer's Mouse Models

TL;DR: A 2026 study in Nature Neuroscience from Baylor College of Medicine showed that boosting Sox9, a transcription factor that regulates aging astrocytes, improved astrocytes’ ability to clear amyloid plaques in Alzheimer’s mouse models and preserved cognitive function — pointing to a treatment strategy that targets the brain’s own support cells rather than directly attacking …

Read more