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Tau Protein

All articles tagged with #tau protein

L-Arginine Stabilizes Protein Droplets to Halt Alzheimer’s Fibril Formation
science29 days ago

L-Arginine Stabilizes Protein Droplets to Halt Alzheimer’s Fibril Formation

UB scientists report that the cellular metabolite L-arginine stabilizes Tau-containing protein droplets, delaying their surface-initiated transition into toxic fibrils linked to Alzheimer’s while preserving the droplets’ ability to assemble microtubules; this demonstrates that droplet formation and fibril formation are separable and points to therapies that block fibril formation without disrupting condensate function (Nature Communications, 2026).

via SciTechDaily|
#alzheimers-disease#biomolecular-condensates#fibrillization
EPA-heavy fish oil may hinder brain repair after repeated head injuries
science1 month ago

EPA-heavy fish oil may hinder brain repair after repeated head injuries

A Cell Reports study in mice and human brain endothelial cells found that long-term fish oil supplementation high in EPA may reduce brain repair capacity and promote tau accumulation after repeated mild TBIs, while DHA showed no similar effect. The results suggest context-dependent effects of omega-3s on brain healing and are not yet proven in humans; individuals with a history of repeated head injuries should discuss fish oil use with a clinician.

via Medical News Today|
#epa#fish-oil#omega-3-fatty-acids
Midlife Vitamin D Levels Tied to Lower Dementia Risk, Study Shows
wellness1 month ago

Midlife Vitamin D Levels Tied to Lower Dementia Risk, Study Shows

A Neurology study of 793 adults in their 30s–40s followed for 16 years found higher vitamin D in midlife associated with lower brain tau protein, a dementia-related marker, though amyloid levels weren’t affected and causality isn’t proven. With roughly 60% worldwide deficiency, researchers advise correcting vitamin D deficits and adopting brain-healthy habits—diet (fatty fish), regular physical activity, social and cognitive engagement, and managing vascular risks like diabetes, high blood pressure, and cholesterol—to support cognitive health later in life.

via HuffPost|
#amyloid-protein#dementia#midlife-health
Sleep Clues in Early Alzheimer's: Tau, Glutamate, and Wakeful Nights
health2 months ago

Sleep Clues in Early Alzheimer's: Tau, Glutamate, and Wakeful Nights

A University of Kentucky study in mouse models links early Alzheimer’s sleep problems to tau-driven brain overactivity that shifts energy use to glutamate, causing insomnia and potentially preceding cognitive decline by years; the researchers say metabolic drugs used for epilepsy or type 2 diabetes could ease hyperactivity, improve sleep, and slow progression.

via New York Post|
#alzheimers-disease#glutamate#health
Tau hijacks brain energy, linking insomnia to early Alzheimer's
health2 months ago

Tau hijacks brain energy, linking insomnia to early Alzheimer's

A mouse study links early tau tangles to disrupted brain energy use, causing glutamate overproduction that keeps neurons awake and makes sleep hard, which may explain insomnia years before Alzheimer's; drugs that modulate brain metabolism—some used for epilepsy or type 2 diabetes—could improve sleep and potentially slow progression, though human confirmation is needed.

via ScienceAlert|
#alzheimers-disease#brain-metabolism#glutamate
Parkinson's protein may accelerate Alzheimer's progression in women, study finds
health2 months ago

Parkinson's protein may accelerate Alzheimer's progression in women, study finds

A Mayo Clinic study of 415 participants found that older women with Alzheimer's who tested positive for the Parkinson's-related protein alpha-synuclein accumulated tau about 20 times faster than men with the same abnormal protein, suggesting alpha-synuclein may accelerate Alzheimer's progression in women. The findings indicate sex-specific disease trajectories and potential biomarker-guided therapies, but replication is needed before changing treatment approaches.

via Medical News Today|
#alpha-synuclein#alzheimers-disease#biomarkers
Blood tau clock could forecast when Alzheimer’s symptoms begin
health3 months ago

Blood tau clock could forecast when Alzheimer’s symptoms begin

A Nature Medicine study describes a blood test that detects an abnormal form of tau in the blood, which may serve as a molecular clock to predict not only if someone will develop Alzheimer’s but also when symptoms could start. If validated in larger trials, it could enable earlier interventions and streamline clinical testing for therapies, though experts caution that it’s not yet recommended for cognitively unimpaired individuals to use this biomarker outside of research.

via Nature|
#alzheimers-disease#biomarker#blood-test
Dissolving Tau Precursor Clusters Could Stop Alzheimer’s
science3 months ago

Dissolving Tau Precursor Clusters Could Stop Alzheimer’s

Researchers at Tokyo Metropolitan University found that tau proteins first assemble into reversible precursor clusters before forming harmful fibrils in Alzheimer's disease. By applying polymer-physics concepts and tweaking salt levels in the presence of heparin, they dissolved these clusters, preventing fibril formation. This suggests a new therapeutic direction focused on the early, reversible tau clusters rather than mature fibrils, with potential implications for other neurodegenerative diseases.

via SciTechDaily|
#alzheimers-disease#fibrils#polymer-physics