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Like other biological processes, aging is not random, but subject to molecular control. Natural products that act on conserved metabolic pathways may provide entry points to extend animal lifespan and promote healthy aging. Here, we show that a botanical extract from Artemisia scoparia (SCO), which promotes fat storage and metabolic resiliency in mice, exerts pro-longevity effects on the nematode Caenorhabditis elegans, even when administered in mid-adulthood. SCO-treated worms exhibit significantly higher levels of fat compared to controls but live up to 40% longer, with signs of improved stress resistance in late age. Molecularly, SCO links elevated fat to enhanced longevity and stress resistance via activation of the transcription factor DAF-16/FOXO and upregulation of DAF-16-targeted Δ9 desaturases, lifespan-extending metabolic enzymes that oversee the biosynthesis of monounsaturated fatty acids. These findings identify SCO as a natural product that can modify fat regulation for longevity benefit and add to growing evidence indicating that elevated fat can be pro-longevity in some circumstances.

A fat-promoting plant extract from Artemisia scoparia exerts geroprotective effects on C. elegans health & lifespan