Are Aβ Blood Tests Ready for Prime Time?
A plasma assay for Alzheimer’s could radically speed up screening for clinical trials; alas, competing assays don’t measure the same thing.
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Microglia in Tauopathy: Not Just Homeostatic Versus DAM
In mouse models of tauopathy, microglia populations are far from binary. Different activation stages emerge at different phases of disease, some marked by viral defense pathways.
Biogen Asks FDA To Approve Aducanumab
New drug application is first for Alzheimer’s disease in the U.S. since 2003, and first based on amyloid hypothesis.
Seeing into the Human Synapse: New Tools Illuminate Alzheimer’s Hot Spot
New synaptic profiling and imaging techniques are enabling scientists to zero in on synaptic proteins, including phospho-tau, that make the difference between clinical Alzheimer’s and resilience.
You Are What You Breathe: Polluted Air Tied to Plaques, Brain Atrophy
Two cohorts—IDEAS and WHIMS—show Aβ accumulation and brain shrinkage in cognitively normal and impaired elderly who were exposed to levels of air pollution even within current EPA limits.
Trials of Diabetes-Related Therapies: Mainly a Bust
At CTAD, intranasal insulin trial stumbles, pioglitazone gets a postmortem, a RAGE inhibitor tries to hang on.
MTBR-243 Tau: A Fluid Biomarker for Tangles Themselves?
Researchers found that bits of tau from the protein’s microtubule-binding region can be detected in the cerebrospinal fluid. These, not phospho-tau or total tau, reflect neurofibrillary tangles in the Alzheimer’s brain.
Positive Phase 2 Results Claimed for Masitinib in Alzheimer’s
Topline results suggested that the anti-inflammatory treatment stabilized cognition and function over six months. The trial did not include biomarkers.
Begone 2020: Despite COVID, Alzheimer’s Research Advanced
Confronting unprecedented challenges this past year, scientists found ways to tide their research over and keep clinical trials mostly on track.
Amyloid Clearance: Check. Cognitive Benefit: Um … Maybe.
Plaque-busting antibodies reset the time course of amyloid accumulation, but so far provide only hints of a clinical benefit in mild AD. Good news: once gone, plaque stays gone for a while.
Proteomics Uncovers Potential Markers, Subtypes of Alzheimer’s
Changes in the composition of the cerebrospinal fluid and synapses may reveal novel insights into AD pathology.
Do Lysosomes Help Propagate Tau Seeds?
In cultured cells, lysosomal activity was necessary to enable tau seeds to break out of internalized exosomes and trigger the aggregation of tau in the cytosol.
Modern Microscopy
Modern Microscopy Skims Surface of Living Minds and Spines Modern Microscopy Plumbs the Depths of Brain Tissue ...
Cortical Hubs to Rich Clubs—Linking Brain Connectivity to Function
If you find it hard to keep up with Facebook, LinkedIn, and other social networks, spare a thought for the brain. With 100 to 500 trillion synaptic connections, the human brain dwarfs all of them. How do those connections work to formulate thought, recall ...
Deep-Brain Stimulation: Surgical Relief for Parkinson's and Beyond
In this series, ARF takes stock of deep-brain stimulation after more than a decade of life-altering procedures, In deep brain stimulation, surgeons implant wires into the brain and hook them up to a pacemaker-like stimulator implanted in the chest, which ...
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