Can an Antibody Allele Boost Your Alzheimer’s Risk By Giving Herpes an Edge?
Homozygous carriers of GM17—a common IgG1 variant the HSV-1 virus has evolved to evade—had quadruple the risk of developing AD. In a small Swedish cohort, that is.
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Homozygous carriers of GM17—a common IgG1 variant the HSV-1 virus has evolved to evade—had quadruple the risk of developing AD. In a small Swedish cohort, that is.
In updating their broad evaluation of the risk literature, the commission blamed three more modifiable factors for causing 6 percent of all dementia, concluding that 40 percent of cases can be prevented.
A slight drop in hospital admissions after amyloid PET, especially in people with positive scans, fell well short of the prespecified endpoint. Still, IDEAS is broadening into a research platform, and IDEAS 2 will add racial diversity.
New genetic variants emerged by harmonizing whole-exome-sequencing data across continents, and by using imputation to plumb the depths of existing GWAS. One variant encodes a microglial phospholipid transporter.
In the Alzheimer’s brain, too, plaques trigger a coordinated inflammatory response from microglia and astrocytes. A preprint paper had shown the same for mice.
In large population datasets, people who had been vaccinated against influenza or pneumonia appeared less likely to develop AD.
Plasma p-Tau217 Set to Transform Alzheimer’s Diagnostics Could Common Vaccines Protect Against Alzheimer’s Disease? Doubling Down on Sequencing Serves up More Alzheimer’s Genes IDEAS Finds Small Drop in Hospitalizations, Missing Goal Lancet Commission’s D
This early marker distinguishes Alzheimer’s from controls and other neurodegenerative diseases more accurately than other biomarkers.
Poor coordination among grid cells in the entorhinal cortex and place cells in the hippocampus compromises navigation. Grid cells fail first.
This neuronal protein regulates the complement cascade in the developing brain. Could it do the same in aging or neurodegenerative disease?
In striatal spiny projection neurons with mutant huntingtin, mitochondria spill immunogenic RNAs into the cytosol. These touch off innate antiviral signaling inside the neurons, which may spell their demise.
A 2018 report that had spotted extra copies of APP lurking in neuronal genomes has come under scrutiny, with claims that the result is due to contamination. Does a response from the original authors bolster their claim?
Tissue from 13-week-old fetuses carrying the huntingtin repeat expansion shows defects in neuronal polarity and proliferation, which lead to fewer neurons populating some brain regions.
Behold single proteins on the move: Super-resolution microscopy of living cells suggests the infamous protease does not form complexes with other secretases in the plasma membrane—in mouse fibroblasts, that is.
The tracer distinguished people with progressive supranuclear palsy from controls with a sensitivity of 85 percent, suggesting potential as a diagnostic for 4R tauopathies.