Tag

Tau

All articles tagged with #tau

Tau's mitochondrial twist fuels new Alzheimer's drug strategy
neuroscience29 days ago

Tau's mitochondrial twist fuels new Alzheimer's drug strategy

Stanford researchers found tau can trigger reverse electron transport in mitochondria, generating reactive oxygen species and cellular stress; blocking this retrograde flow reversed harmful effects and improved learning/memory in flies and mice, suggesting a novel therapeutic angle for Alzheimer’s. Early human cell/tissue data support the idea, and two authors have started a biotech startup to pursue further validation, though results in people remain unproven.

GLP-1 diabetes drugs might curb Alzheimer's brain plaques, review finds
science1 month ago

GLP-1 diabetes drugs might curb Alzheimer's brain plaques, review finds

A systematic review of preclinical studies and two small human trials suggests GLP-1 receptor agonists (such as liraglutide, dulaglutide, exenatide, semaglutide) consistently reduce Alzheimer’s-related proteins amyloid-beta and tau in lab and animal models, indicating potential for preventive effects. However, human data are limited and do not show cognitive reversal, so larger early-intervention trials are needed to determine if these diabetes/weight-loss drugs can prevent or slow Alzheimer's progression.

Midlife Vitamin D Linked to Lower Alzheimer's Tau Deposits Later
science1 month ago

Midlife Vitamin D Linked to Lower Alzheimer's Tau Deposits Later

A midlife Framingham Heart Study analysis found that higher vitamin D levels at about age 39 were associated with lower brain tau protein deposits 16 years later, a potential protective marker against Alzheimer's disease; there was no observed link with amyloid beta. The study is observational, so causation can’t be established, and clinical trials are needed to test whether vitamin D supplementation could help prevent dementia.

Breathing Bursts May Help Clear Alzheimer's Proteins in the Awake Brain
health1 month ago

Breathing Bursts May Help Clear Alzheimer's Proteins in the Awake Brain

Researchers presented at the Alzheimer’s Association International Conference that brief, wakeful CO2 bursts may stimulate the brain’s glymphatic system, aiding clearance of tau and raising blood beta-amyloid temporarily; findings from a small 12-person study also reference breath-centered practices like yoga as potential contributors, but more research is needed to determine if this could slow cognitive decline.

SORLA protein slows tau-driven brain damage in Alzheimer's model mice
science1 month ago

SORLA protein slows tau-driven brain damage in Alzheimer's model mice

Researchers show that upregulating the brain protein SORLA in tauopathy mice lowers tau tangles and brain atrophy, preserves synapses and plasticity, and reduces harmful gene activity in glial cells; SORLA deficiency worsens damage, suggesting SORLA as a therapeutic target and hinting that drugs targeting plexin-B receptors could be repurposed for tau-related dementias.

Biogen defends tau-targeting drug as phase 2 data pave way for pivotal trial
business1 month ago

Biogen defends tau-targeting drug as phase 2 data pave way for pivotal trial

Biogen defended the phase 2 Celia readout of diranersen, an antisense drug that lowers brain tau and slowed cognitive decline, noting the 60 mg dose gave the strongest clinical signal and fewer post-infusion confusions, justifying a rapid move to a phase 3. While the data did not show a clear dose-dependent response, the results—presented at AAIC in London—are viewed as proof-of-concept for tau targeting and could complement anti-amyloid therapies. Investors reacted with optimism as the stock recovered after an initial slide.

Warframe Bets on Story and Steadiness as Tau Goes Live
technology1 month ago

Warframe Bets on Story and Steadiness as Tau Goes Live

At TennoCon, Digital Extremes debuted Tau and its first region, Fornax, previewing Brysko and a noir-tinged expansion that doubles down on Warframe’s story over trends. The interview highlights the studio’s discipline—avoiding overnight fads, balancing content for new and veteran players, and resisting instant unlocks—to keep a 13-year-old live-service game fresh. Amid industry turmoil and layoffs elsewhere, the team says they’re grateful for their community and will stay the course, even as Tau’s full release later this year introduces new features like the Sentients’ Portau card game. Warframe’s longevity, they argue, comes from making a good game first and letting engagement follow.

Noir-tinged Warframe Tau update ushers in a detective-infused open world
technology1 month ago

Noir-tinged Warframe Tau update ushers in a detective-infused open world

Digital Extremes revealed Warframe: Tau at Tennocon 2026, a major update introducing a Blade Runner- and Sopranos-inspired open world in the Fornax/Origin System. Players follow detective Brysko through a moody, rain-soaked city with The Bloom drug, Sentients in the casino, a new card mini-game, multiple hubs, two regions, and mission types, plus a spin on the Steel Path. The update lands later this year, alongside fall content including Iceblade of Narin and other cosmetics and reworks (Citrine, Banshee deluxe skins, Qorvex).

Alcohol Triggers Opposite Brain Signals in Alzheimer’s Pathways
science1 month ago

Alcohol Triggers Opposite Brain Signals in Alzheimer’s Pathways

A Texas A&M study found that alcohol interacts with Alzheimer’s-related brain changes in a pathology-dependent way: in amyloid-beta models, alcohol reduces corticostriatal signaling and disrupts microglia responses, while in tau models it increases signaling along the same circuit. This challenges the idea of a simple additive risk and suggests individual brain responses to alcohol may hinge on a person’s specific pathology and disease stage.

Arc Protein Emerges as Key Driver in Alzheimer’s Tau Spread
health2 months ago

Arc Protein Emerges as Key Driver in Alzheimer’s Tau Spread

Researchers at the University of Utah report that Arc, a brain protein important for neuron signaling, also helps package and transmit the toxic tau protein between brain cells in Alzheimer’s models. In mice lacking Arc, neuron-to-neuron tau transmission dropped significantly, suggesting Arc could be a new target to slow disease progression. However, Arc is also vital for learning and memory, so therapies would need to block tau transport without disrupting Arc’s normal function. Most findings come from mouse studies, and it remains unclear how well this translates to humans.

Tubulin steers brain proteins away from Alzheimer’s and Parkinson’s clumps
health-and-medicine2 months ago

Tubulin steers brain proteins away from Alzheimer’s and Parkinson’s clumps

Scientists at Baylor College of Medicine report that tubulin can prevent Tau and alpha-synuclein from forming toxic aggregates in brain cells by redirecting these proteins toward healthy microtubule functions, offering a potential therapeutic strategy that boosts tubulin levels rather than halting droplet formation to preserve normal neuronal activity.

Planet-wide Martian dust storms end Opportunity’s 14-year mission
space2 months ago

Planet-wide Martian dust storms end Opportunity’s 14-year mission

A regional Martian dust storm in 2018 grew into a planet-spanning veil, blocking sunlight and starving NASA’s solar-powered Opportunity rover, which had outlasted its 90-day design by nearly 15 years. Tau, a measure of atmospheric opacity, rose to about 10.5–10.8, among the highest on Mars, leaving the rover unable to recharge and ending the mission in 2019. Curiosity continued operating on a nuclear power source, illustrating the solar-versus-nuclear trade-off. Planet-wide storms are unpredictable and irregular, and while they end some missions, rovers like Perseverance—also nuclear-powered—tend to survive in the modern era. The open question remains why some Martian years produce planet-encircling storms while others do not.”,

Microglial State Switch Reveals Dual Paths to Alzheimer’s Resilience
science2 months ago

Microglial State Switch Reveals Dual Paths to Alzheimer’s Resilience

A human-brain study identifies six tissue domains and a pivotal transition in microglia from an amyloid-associated inflammatory state to a tau-associated antigen-presenting state; resilience against dementia arises via two routes—octogenarians who block progression and centenarians whose late microglial activation is uncoupled from tau—pointing to therapies that preserve early microglial responses or target pathways like TREM2 to delay cognitive decline.

Sleep Signals: Poor Sleep Linked to Alzheimer’s Risk in High-Risk Older Women
health3 months ago

Sleep Signals: Poor Sleep Linked to Alzheimer’s Risk in High-Risk Older Women

Among 69 women aged 65+ with high genetic risk for Alzheimer’s, poorer sleep quality correlated with worse visual memory and greater tau buildup in brain regions tied to the disease, strongest in the highest-risk group. The finding is observational, not causal, and researchers will collect more data to see if improving sleep could mitigate risk.