Hypertension in people as young as the mid-30s can predict late-life cerebrovascular disease and brain shrinkage. Intensive reduction of blood pressure can prevent the damage, but not when given in late life.
Biogen and Eisai announced the discontinuation of the Phase 3 program. Elenbecestat was the only remaining BACE inhibitor being tested for AD.
The same endothelial cell response is found in various models of brain disease.
Prior research has focused on microglia interacting with synapses. New data show they also deal directly with the neuronal cell body. Like little conference rooms, specialized junctions host this communication.
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.
These cells accumulate in old mouse and human hippocampi, as well as in a mouse model of neurodegenerative disease.
Specific patterns of expression defined distinct subtypes of neurons, astrocytes, oligodendrocytes, and microglia in this early affected brain region.
Cataloguing enhancer-promoter interactions in the four major cell types of the brain, researchers found that Alzheimer’s risk variants predominantly appeared in microglial enhancers.
Functional variants of AD GWAS hits found in enhancers of myeloid genes.
Emerging data on new tau ligands raise hope of more signal, less noise, and help with a broad range of tauopathies. Read news culled from the AD/PD and HAI 2017 meetings.
A leaky blood-brain barrier in the hippocampus correlated with cognitive impairment, independently of other vascular risk factors or Alzheimer’s pathology.
Clusters of neurons harboring somatic mutations in 56 genes linked to neurodegenerative diseases may be commonplace in the human brain.
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.
In seven papers, researchers presented a dazzling set of findings gleaned from 125,748 exomes and 15,708 genomes housed in a new database. Tidbits emerge on tau, LRRK2, and other proteins implicated in neurodegeneration.
A molecular-level view of tau filaments from a person with Pick’s disease reveals that the protein folds up differently than it does in Alzheimer’s disease.