Microtubule Regulator Connects TDP-43 to Axonal Dysfunction
Two independent studies find that loss of nuclear TDP-43 leads to mis-splicing of stathmin 2, an essential protein for axon growth and repair.
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Two independent studies find that loss of nuclear TDP-43 leads to mis-splicing of stathmin 2, an essential protein for axon growth and repair.
Aberrant gene-expression patterns found to be common to human neurodegenerative disease and animal models. MicroRNA and epigenetic modification may be to blame.
Boosting sTREM2 in the brain rallied microglia to clear Aβ plaques, restored synaptic plasticity, and even rescued memory deficits in mice.
Scientists know that the retina changes in people with preclinical AD; alas, there is neither consensus nor convergence in the field of retinal imaging. An upcoming initiative aims to determine which measures are most robust.
In response to the peptide, these little cells squeeze capillaries, constricting them. This may contribute to neuronal dysfunction.
Co-sponsors Banner, Novartis, and Amgen announced that they will stop testing CNP520 in two Phase 2/3 studies in people at risk of AD. The drug worsened cognition.
Longitudinal data identifies four stages of amyloid plaque buildup, with the earliest deposits appearing in the precuneus and posterior cingulate.
These cells accumulate in old mouse and human hippocampi, as well as in a mouse model of neurodegenerative disease.
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.
Longitudinal ADNI data tie higher sTREM2 in CSF to slower cognitive decline, reinforcing the idea that TREM2 activity protects the brain from AD pathology.
Functional variants of AD GWAS hits found in enhancers of myeloid genes.
The largest study so far to compare brain scans and CSF among African-Americans and Caucasians finds differences, but participant numbers remain small.
Amyloid plaques in postmortem human cortex correlated with the proportion of microglia that were activated, not with microglial numbers. Tau pathology and cognitive decline come later.
Reducing these esters with statins and cholesterol-hydroxylase-activating drugs lowers phospho-tau and Aβ in neurons. One such drug is approved to treat HIV AIDS.