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Maladie d'Alzheimer

Alzheimer's disease research, amyloid plaques, tau tangles, and cognitive decline

367 articles

Scientists Reversed Memory Loss by Recharging Brain Mitochondria in Mice
Brain Health

Scientists Reversed Memory Loss by Recharging Brain Mitochondria in Mice

A new tool that boosts mitochondrial activity in neurons restored memory in dementia mice, suggesting energy failure drives Alzheimer's symptoms.

Communiqué de presse
17 mai 2026 0
Cholesterol Metabolite 27-OHC Accelerates Brain Aging via Microglial Iron Overload
Brain Health

Cholesterol Metabolite 27-OHC Accelerates Brain Aging via Microglial Iron Overload

27-Hydroxycholesterol triggers microglial senescence through iron dysregulation, and the iron chelator deferoxamine reverses the damage.

Article de recherche
17 mai 2026 0
Stanford Experts Warn Older Adults of 5 Hidden Cannabis Risks
Brain Health

Stanford Experts Warn Older Adults of 5 Hidden Cannabis Risks

Cannabis use is surging among adults over 65, but Stanford Medicine specialists say today's potent marijuana carries serious, underestimated health risks.

Communiqué de presse
16 mai 2026 0
New Device Aims to Measure Brain's Waste-Clearing System During Sleep
Brain Health

New Device Aims to Measure Brain's Waste-Clearing System During Sleep

Applied Cognition tests a wearable device that tracks glymphatic function overnight, comparing it to MRI, EEG, and blood biomarkers.

Essai clinique
16 mai 2026 0
Drugs That Boost Brain Waste Clearance During Sleep Show Promise Against Alzheimer's
Brain Health

Drugs That Boost Brain Waste Clearance During Sleep Show Promise Against Alzheimer's

A Phase 1/2 trial tests whether dexmedetomidine can enhance the brain's glymphatic system to clear amyloid and tau during sleep.

Essai clinique
16 mai 2026 0
AQP4 Gene Variants Shape Parkinson's Brain Waste Clearance and Motor Decline
Brain Health

AQP4 Gene Variants Shape Parkinson's Brain Waste Clearance and Motor Decline

Specific AQP4 genetic variants alter glymphatic drainage efficiency, directly influencing motor symptom severity and progression in early Parkinson's disease.

Article de recherche
16 mai 2026 0
Treating Hearing Loss May Slow Cognitive Decline in Older Adults
Brain Health

Treating Hearing Loss May Slow Cognitive Decline in Older Adults

A landmark RCT tests whether hearing aids can protect brain health in 977 older adults over 3 years.

Essai clinique
16 mai 2026 0
APOE2 and APOE4 Drive Alzheimer's Risk Through Opposite Protein Pathways
Brain Health

APOE2 and APOE4 Drive Alzheimer's Risk Through Opposite Protein Pathways

A landmark multicohort proteomics study reveals how APOE2 and APOE4 shape Alzheimer's risk through entirely distinct molecular mechanisms.

Article de recherche
16 mai 2026 0
Green Tea Extract Plus Lifestyle Changes Tested Against Cognitive Decline in High-Risk Adults
Brain Health

Green Tea Extract Plus Lifestyle Changes Tested Against Cognitive Decline in High-Risk Adults

A completed trial tests EGCG combined with diet, exercise, and cognitive training to slow decline in ApoE4 carriers with early warning signs.

Essai clinique
15 mai 2026 0
Declining ULK1 Protein Links Autophagy Failure to Alzheimer's Progression
Brain Health

Declining ULK1 Protein Links Autophagy Failure to Alzheimer's Progression

A master autophagy regulator drops with age and in AD patients — restoring it in mice clears amyloid, reduces tau, and rescues cognition.

Article de recherche
15 mai 2026 0
iPSC-Derived Vesicles Enable Noninvasive Optogenetics to Halt Alzheimer's Progression
Brain Health

iPSC-Derived Vesicles Enable Noninvasive Optogenetics to Halt Alzheimer's Progression

Scientists used stem cell-derived vesicles to deliver light-activated gene therapy to the brain without surgery, reversing cognitive decline in Alzheimer's mice.

Article de recherche
14 mai 2026 0
Glymphatic System Research Explodes 10x in 5 Years as Alzheimer's Link Crystallizes
Brain Health

Glymphatic System Research Explodes 10x in 5 Years as Alzheimer's Link Crystallizes

A bibliometric analysis of 595 papers maps how glymphatic-Alzheimer's research has grown exponentially, pinpointing AQP4, sleep, and DTI-ALPS imaging as the hottest frontiers.

Article de recherche
14 mai 2026 0
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