Tag

Mitophagy

All articles tagged with #mitophagy

science2 hours ago•6 min saved

Mitochondrial plaques emerge as a new Alzheimer's culprit

Nature Neuroscience reports a new Alzheimer's pathology: mitochondrial plaques formed from impaired mitophagy, found in both mouse models and human brains, that can appear with or without amyloid-beta, accumulate in neuronal processes, recruit lysosomes, and hamper mitochondrial degradation. This suggests future therapies should target mitochondrial toxicity alongside amyloid pathology and aim to boost mitophagy to slow disease progression.

via ScienceAlert|

#alzheimers-disease #mitochondria #mitochondrial-plaques

science1 year ago•4 min saved

Midlife Recycling: A Crucial Factor for Brain Health

New research highlights the importance of mitophagy, a mitochondrial recycling process, in maintaining brain health during midlife, offering insights into aging and neurodegenerative diseases like Alzheimer's and Parkinson's. The study from the University of Helsinki reveals dynamic changes in mitophagy across different brain regions, suggesting midlife as a critical period for brain health. These findings could guide the development of new therapies for brain diseases, challenging previous assumptions about mitophagy's role in aging.

via SciTechDaily|

#aging #brain-health #mitophagy

science1 year ago•5 min saved

Aging Alters Brain's Recycling Process

New research from the University of Helsinki reveals that mitophagy, the process of recycling damaged mitochondria, varies across brain regions and cell types as mammals age. Contrary to previous beliefs, mitophagy does not universally decline with age; instead, it increases in motor-related cells and fluctuates in memory-related cells, peaking in midlife before declining in old age. The study also finds that aging lysosomes lose acidity, a change similar to those seen in Alzheimer's models, suggesting midlife as a critical period for interventions in neurodegenerative diseases.

via Neuroscience News|

#aging #alzheimers-disease #brain-health

health2 years ago•3 min saved

"Breakthrough: Scientists Uncover Powerful Anti-Aging Molecule for Cell Vitality"

Scientists at the Buck Institute have discovered a new 'drug-like' molecule, called coumarin or MIC, that has the potential to slow down aging by enhancing the process of mitophagy, which clears out and recycles damaged mitochondria in cells. The compound, found in plants like cinnamon, extended the lifespan of tiny roundworms by an average of 20 days. MIC acts on a receptor protein called DAF, which is also present in humans, suggesting that these findings could be applicable to humans as well. Mitophagy decline is associated with various age-related diseases, and enhancing this process could offer treatment beyond neurodegeneration or muscle wasting. However, further research is needed before MIC can be used as an anti-aging supplement.

via Daily Mail|