Cholesteryl Esters Hobble Proteasomes, Increase p-Tau
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.
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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.
Among cognitively normal people with amyloid plaques, women have more tau tangles in the entorhinal cortex than do men. Does this indicate susceptibility, or resilience?
In mouse models of Alzheimer’s, neutrophils stick to capillaries in the cerebral cortex, reducing blood flow. Keeping those cells moving or depleting them altogether improved memory.
A score based on the combined burden of a person’s Alzheimer’s risk variants correlated with plaques, tangles, cognitive decline, and even non-AD pathology. Are polygenic hazard scores ready for direct-to-consumer marketing?
How the element relates to neurodegeneration remains unclear.
IBM researchers in Australia identify a combination of four proteins in plasma that predicts amyloid positivity in cerebrospinal fluid, and correlates with progression to AD.
Exposing AD mice to multisensory gamma therapy induced 40-Hz waves in their brains, plus effects on amyloid, tau, microglia, blood vessels, and cognitive function.
Analysis of 19 H1 MAPT subhaplotypes ties five to progressive supranuclear palsy.
Women who started menstruation after the age of 16, and/or entered menopause before 47, had higher rates of dementia later in life.
The Phase 3 trial ended early when prodromal AD patients on the BACE1 inhibitor declined faster than those on placebo.
Flortaucipir in former NFL players cropped up in regions known to be affected by chronic traumatic encephalopathy, but uptake was low compared with AD. Whether this reflects low tau deposition or poor tracer binding remain to be seen.
In ADNI, blood marker exposes ongoing neurodegeneration across disease stages.
An electron microscopy study reveals a jumbled mess of membrane chunks and malfunctioning organelles, bound together by phosphorylated or truncated α-synuclein.
Long recognized in dendrites, scientists now report that substantial synaptic proteome remodeling happens on the axonal side, too.
Contradicting current opinion, a randomized trial made people stronger but, if anything, left their mental function weaker. What gives?