Researchers report Turnera diffusa polysaccharides extend lifespan and restore metabolic homeostasis in invertebrate models
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Event tier C · Tier ceiling 74 · LONGIFI_SIGNAL_V1
Quick take
A study in Biogerontology reports that plant-derived polysaccharides from Turnera diffusa extend lifespan and mitigate metabolic decline in C. elegans and D. melanogaster by activating conserved DAF-16/FOXO and HSF-1 stress response pathways.
What happened
Researchers from the Heilongjiang University of Chinese Medicine published a study investigating the geroprotective effects of Turnera diffusa polysaccharides (TDP).
The study found that TDP administration significantly extended lifespan and alleviated multiple age-associated physiological declines in both Caenorhabditis elegans and Drosophila melanogaster models.
Mechanistic investigations revealed that TDP enhanced the activation of conserved DAF-16/FOXO and HSF-1-mediated stress response pathways, promoting antioxidant defense and maintaining proteostasis.
Metabolomic analysis using 1H-NMR demonstrated that TDP treatment partially restored age-related metabolic disturbances, specifically those involving amino acid, energy, and lipid metabolism.
Why it matters
This research provides the first evidence characterizing the geroprotective potential of Turnera diffusa polysaccharides, expanding the library of plant-derived candidates under investigation for longevity.
The dual action of TDP on stress response pathways (DAF-16/FOXO and HSF-1) and metabolic remodeling suggests a broad-spectrum mechanism of action rather than a single-target effect.
The conservation of these pathways in higher organisms highlights the potential translational value of TDP, although mammalian studies are required to confirm these effects.
Market impact
The findings contribute to the growing preclinical body of evidence supporting plant-derived polysaccharides as safe, multi-target bioactive agents for healthy aging interventions.
The study reinforces industry and research interest in targeting upstream metabolic regulators and proteostasis networks to address age-associated functional decline.
What comes next
Preclinical studies evaluating the safety, pharmacokinetics, and longevity-promoting efficacy of Turnera diffusa polysaccharides in mammalian models.
Further molecular characterization to identify the specific polysaccharide fractions or chemical structures driving the activation of FOXO and HSF-1.
Sources
- NCBIPUBMED:LONGEVITY_RESEARCH