In Colombian Alzheimer’s Kindred, Blood NfL Climbs 22 Years Before Symptoms
The plasma biomarker neurofilament light was able to distinguish individual mutation carriers from noncarriers three years prior to onset.
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The plasma biomarker neurofilament light was able to distinguish individual mutation carriers from noncarriers three years prior to onset.
Separately, cerebrovascular disease drove an uptick in neurofilament light in the brain, indicating neurodegeneration.
Chemicals and particulates may slip across the blood-brain barrier or travel up olfactory nerves to directly affect brain cells. What are the consequences for cognition?
Growing evidence suggests exposure to air pollution increases risk of brain damage and dementia. More definitive research is needed.
According to a structural analysis, fluorescently tagged tau fragments cannot form paired helical filaments. This suggests the assay does not measure prion-like propagation.
Harvard or MIT? The microbiomes of mice raised in different facilities dictated their response to C9 deficiency, including whether they died young. Do gut microbes influence ALS?
A large, cross-sectional study finds that RO-948 PET discriminates AD dementia from other disorders more accurately than do CSF biomarkers or MRI.
This update of the Allen Brain Institute atlas reveals detailed anatomical structures and provides a common framework for comparing brain datasets.
Hippocampal imaging and fluid markers of BBB damage found in ApoE4 carriers.
Grown on doughnut-shaped supports, the cultures survive for years. They offer a versatile system for studying Alzheimer’s disease, the authors claim.
Avid’s postmortem validation data indicate Alzheimer’s can be diagnosed by visual examination of flortaucipir PET scans.
For several neurodegenerative diseases, scientists identified which cell types exert a person’s inherited risk. In Alzheimer’s, it’s microglia; in Parkinson’s, it’s dopaminergic and enteric neurons—and oligodendrocytes.
Loss-of-function variants in the demethylase TET2 raise a person’s risk for early and late-onset Alzheimer’s, as well as FTD and ALS, suggesting a common mechanism.
Award recognizes discoveries of genetic variants that perturb liquid-liquid phase separation and increase risk for ALS-FTD and other neurodegenerative diseases.
In nonhuman primates, three classes of LRRK2 kinase inhibitor cause microscopic changes in lung morphology, but they are reversible and do not impair breathing. Parkinson’s programs remain on track.