Do Endothelial Cells Spur Capillaries to Grow in Alzheimer’s Brain?
A new single-nucleus RNA-Seq study of 3,900 endothelial cells finds a boost in angiogenesis and antigen presentation genes, drawing attention to the vascular component of AD.
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A new single-nucleus RNA-Seq study of 3,900 endothelial cells finds a boost in angiogenesis and antigen presentation genes, drawing attention to the vascular component of AD.
Most pathways that emerged were common between African Americans and non-Hispanic whites, though some individual variants differed. Kidney development jumped out as a possibly unique aspect of AD in African Americans.
Armed with snazzy new hardware, scientists solve protein structures to a resolution of 1.22Å. Cryo-EM now rivals X-ray crystallography.
Researchers have devised a way to measure how long ago a reporter transcript was made. It allows them to detect distinct transcriptional events within a cell.
Three amino acid substitutions in the Aβ sequence accelerate BACE cleavage of APP and ramp up Aβ production in rats and mice. The mice can serve as better controls for mutant APP knock-ins already in use.
The first steps of endocytosis faltered in astrocytes expressing ApoE4, but pumping in PICALM reversed the problem. A new study places two Alzheimer’s risk factors into the same cellular mechanism.
By looking for SNPs that affect how transcription factors bind DNA, researchers nominated causal genes for 30 Alzheimer’s and Parkinson’s GWAS hits.
ApoE4 does so much more strongly than the other known genes collected in a polygenic risk score.
Simple lifestyle factors such as alcohol consumption and stool quality alter gut flora. Research on the microbiome and disease should account for those factors, a study reports.
In a mouse model of ALS, removing mutant SOD1 from peripheral myeloid cells relieved neuroinflammation and extended lifespan.
The panel considered the evidence for efficacy to be weak, and was troubled by too-close collaboration between the sponsor and the FDA.
In mice, accumulation of tau in hilar astrocytes of the dentate gyrus spells trouble for the hippocampus and for spatial memory.
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.
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