In Mice, Aducanumab Neutralizes Aβ Seeds
Could this forestall the amyloid cascade and the onset of Alzheimer’s disease?
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Could this forestall the amyloid cascade and the onset of Alzheimer’s disease?
At CTAD, a Phase 2 open-label extension of this anti- Aβ protofibril antibody posted data as expected, and new Phase 3 trials for people with early and preclinical Alzheimer’s were described.
The anti-Aβ biologic will be put to the test in two stages of preclinical Alzheimer’s, designated by amyloid load. The long-dormant “est” PET tracer, NAV4694, is on board to make sensitive measurements.
After years of building an online registry, designing selection algorithms, and getting sites up and running, COVID-19 nearly derailed this trial-ready cohort once again. Now, the first participants have reached the final queue.
Remote assessments on a smartphone closely matched tests taken in the clinic. They also may detect slip-ups in learning—an earlier cognitive deficit that arises in preclinical AD.
After missing primary endpoints in Alzheimer’s trials, this p38 MAPKa inhibitor gained some traction in a test in people with DLB.
In a retrospective study, people with vitiligo had 12 times the risk of developing Alzheimer’s disease than did healthy controls. Why is that?
Regulators in the U.S. and Europe have certified a mass-spectrometry-based blood test for amyloid-β. Plasma phospho-tau markers are poised to come next.
In mice lacking the recycling protein GGA3, BACE1 trafficking stalls, local Aβ production increases, and axons swell. Does this explain the neuritic dystrophies seen in early AD?
By pinpointing where tau pathology starts in a person’s brain, researchers better predicted future spread and determined small changes in tangle load.
Amyloids of AIMP2 found in Parkinson’s disease may seed α-synuclein aggregation.
Despite overall falling dementia rates in the U.S., black people remain more susceptible than whites.
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.
Among a growing number of blood-based tauopathy markers, this new immunoassay may offer a way to catch preclinical disease just before symptoms show up.
In mice, forebrain neurons with hobbled retromers ooze fragments of tau and several BACE1 substrates into the CSF. Similar proteins are up in CSF from people with MCI and Alzheimer’s disease.