Tag

Phosphatidylcholine

All articles tagged with #phosphatidylcholine

science2 hours ago•48 min saved

A Tiny Lipid Switch Could Revive Cellular Powerhouses and Slow Aging

A study led by researchers at the Leibniz Institute on Aging links age-related mitochondrial decline to dropping levels of the membrane lipid phosphatidylcholine. As phosphatidylcholine wanes, mitochondria lose flexibility and efficiency, contributing to aging. Across human cells and the worm C. elegans, the team found that supplying choline or phosphatidylcholine can partially restore youthful mitochondrial function, suggesting that targeting this lipid pathway might slow—or even reverse—aspects of aging.

via Yahoo|

#aging #choline #membrane-lipid

science1 month ago•5 min saved

Dietary Lipid May Rejuvenate Mitochondria and Slow Aging

Aging appears to slow mitochondria partly because the lipid phosphatidylcholine declines; dietary supplementation restored mitochondrial function in worm models, and in human tissue higher phosphatidylcholine levels aligned with healthier aging, with notable sex differences around menopause. The study suggests boosting this lipid could counter mitochondrial aging and warrants further molecular study; published in Nature Communications.

via ScienceAlert|

#aging #diet #menopause

science2 months ago•5 min saved

Aging Rewired: Phosphatidylcholine Diet Revives Mitochondria

New research from the Leibniz Institute on Aging links age-related mitochondrial decline to reduced membrane phosphatidylcholine, which makes mitochondrial networks more fragmented and less adaptable. In Caenorhabditis elegans, impairing phosphatidylcholine production induced aging-like mitochondrial changes, while providing phosphatidylcholine or its precursor choline restored youthful mitochondrial structure and function within two days. The study integrated worm experiments, human cell data, and aging datasets, suggesting that lipid changes—not just genetic damage—drive mitochondrial aging and that dietary or metabolic interventions could modestly slow aging, though translation to humans requires further work.

via ScienceDaily|

#aging #lipidomics #metabolic-plasticity

science2 months ago•8 min saved

Lipid-Driven Rejuvenation: Reversing Mitochondrial Aging in Cells

Researchers link age-related loss of the lipid phosphatidylcholine to fragmented mitochondrial networks and reduced cellular energy, but boosting this lipid (or its precursor choline) reversed mitochondrial aging and improved energy in aging C. elegans within days. The study, spanning worms, human cells, and clinical data, suggests dietary or metabolic interventions could support healthy aging, notes sex-specific lipid shifts around menopause, and highlights distinct aging phases—though application to humans awaits further research.

via SciTechDaily|

#aging #menopause #metabolic-plasticity