CTAD Lessons for 2020: More Phase 2 Trials, More Diversity
Besides further broadening the Alzheimer’s therapeutic pipeline, researchers urge a return to Phase 2, using artificial intelligence tools to streamline aspects of trials.
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Fluid AD Biomarkers Link P-Tau to Synapses, Inflammation
An expanded set of CSF biomarkers exposed tight connections between p-tau, synaptic dysfunction, and neuroinflammation in people with brain amyloid.
Could New Glutamate Receptor Activators Treat Alzheimer’s?
Positive allosteric modulators improve learning and memory in mouse models of AD and epilepsy.
Does Tau Kill Neurons by Way of Necroptosis?
In Alzheimer’s brain, granulovacuolar bodies in neurons harbor activated necrosomes. They correlate with tau pathology and neuron loss, raising new questions about how neurons die in this disease.
Tangle Density Foretells How Fast a Person’s Brain Will Shrink
In early Alzheimer’s disease, the pattern of tau deposition also strongly predicts areas destined for subsequent degeneration.
Paper Alert: Lipid Droplet-Filled Microglia Harm the Brain
These oily microglia resemble the foamy macrophages seen in atherosclerotic plaques. They correlate with aging, inflammation, and neurodegenerative disease.
Vascular Dysfunction Taxes Cognition, but Not Via Amyloid, AD
Three studies found no link between vascular disease and cerebral amyloidosis.
Picking Through the Rubble, Field Tries to Salvage BACE Inhibitors
At CTAD, researchers discussed possible paths forward. One option: exploring whether low doses prevent plaque accumulation while avoiding the cognitive side effects.
With a Shot of Adrenaline, Amyloid-β Sparks Tau Cascade
Aβ oligomers latch onto adrenergic receptors, mobilizing a kinase that phosphorylates tau. Blocking adrenergic signaling wards off memory problems in amyloidosis mice.
In AD, Chaperones Congregate To Form a Therapeutic Target
Aberrant protein-protein interactions centered on HSP90 may contribute to Alzheimer’s disease. Can an inhibitor set things right?
Connectivity, Not Proximity, Predicts Tau Spread
Functional connections between two brain regions are the strongest indicator that pathologic, accumulated tau will spread from one to another.
Chaperone Stabilizer Fends Off Amyloid, Memory Loss in Mice
A small molecule binds the retromer complex, preventing Aβ accumulation, tau hyperphosphorylation, and their downstream consequences in mice.
Soccer Heading Has Greater Impact on Memory in ApoE4 Carriers
Frequent heading weakened verbal memory in amateur soccer players, and more so in ApoE4 carriers.
Does Young-Onset Parkinson’s Arise in Lysosomes?
Poor lysosomal function in dopaminergic neurons derived from people with YOPD points to disease origin and potential therapies.
Do World Trade Center Responders Get Early Onset Plaques and Tangles?
Middle-aged WTC responders have cognitive problems, which correlate not only with their PTSD symptoms and exposure to toxic dust, but also with biomarkers of amyloid and tau.
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