King's College London Identifies Karyoptosis in 35% of Alzheimer's Brain Cells
Updated
Updated · ScienceDaily · Jul 5
King's College London Identifies Karyoptosis in 35% of Alzheimer's Brain Cells
3 articles · Updated · ScienceDaily · Jul 5
Summary
Analysis of 3,000 brain cells from 28 people with frontotemporal dementia or end-stage Alzheimer's found karyoptosis in 35% of Alzheimer's frontal-cortex cells, versus 15% in healthy older adults.
The study links toxic protein buildup to this newly highlighted death pathway, in which the cell nucleus shrivels and breaks apart after the nuclear membrane becomes destabilized.
Lab tests in rat neurons showed that blocking kinase switches reduced karyoptosis markers, pointing to the p38 MAP kinase-LaminB1 interaction as a potential drug target.
Published in Nature Communications, the findings give researchers a possible route to slow neuron loss in Alzheimer's and FTD while more disease-specific therapies are developed.
A new form of cell death was found in Alzheimer's. Could blocking this 'karyoptosis' finally halt the disease?
With brain cells dying from iron overload and nuclear collapse, which new Alzheimer's therapy will be the breakthrough?
Karyoptosis Identified in 35% of Alzheimer’s Brain Cells: A Breakthrough in Dementia Research and Treatment
Overview
A major breakthrough in neurodegeneration research was announced by a team from King's College London and the UK Dementia Research Institute, revealing karyoptosis—a newly discovered form of brain cell death. Published in Nature Communications in 2026, this finding shows that karyoptosis is triggered by toxic protein buildup and causes the nucleus of brain cells to shrivel and disintegrate before the rest of the cell is affected. This unique process, distinct from other cell death types, plays a significant role in diseases like Alzheimer's and frontotemporal dementia, offering new hope for understanding and treating these devastating conditions.