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Rosavin extends lifespan via the insulin/IGF-1 signaling pathway in Caenorhabditis elegans

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Abstract

Rosavin, a phenylpropanoid glycoside, is the specific index component and one of the main active components of Rhodiola rosea. Currently, there are few studies describing the antiaging effect of rosavin, and most of them are mainly based on in vitro antioxidant research. Our study aimed to investigate the antiaging activities and mechanisms of rosavin in Caenorhabditis elegans. Using Caenorhabditis elegans as the model, the lifespan of Caenorhabditis elegans under various stressors (heat and juglone) and normal conditions was studied, and the antioxidant activities of rosavin were discussed. To discover the underlying mechanisms, we analyzed daf-16 nuclear localization, the expression of the sod-3p::GFP fusion protein, mRNA levels, and loss-of-function mutants of IIS-associated genes. The results showed that rosavin significantly improved the lifespan of Caenorhabditis elegans under stress and normal conditions. Rosavin can increase the expression and activity of antioxidant enzymes and suppress the generation of malondialdehyde and ROS in nematodes. Additionally, it promotes the nuclear localization of daf-16 and improves the expression of the sod-3 gene in Caenorhabditis elegans. The data revealed that rosavin activated the insulin/IGF-1 signaling pathway by downregulating the upstream components daf-2 and age-1. In summary, these results verify that rosavin could increase the lifespan of Caenorhabditis elegans through the insulin/IGF-1 signaling pathway.

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Funding

This research was funded by the Central University Scientific Research Fund of the People’s Republic of China (2020-JYB-ZDGG-040) and the National Science and Technology Ministry of Science and Technology of the People’s Republic of China (2018YFC1706505).

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Conceptualization: B.W., Y.L., and Y.Z.; methodology: Y.L.; validation: L.L. and X.F.; formal analysis: T.Z.; investigation: L.L., X.F., Y.G., and X.C.; resources: Y.G. and X.C.; data curation: T.Z.; writing—original draft preparation: L.L. and T.Z.; writing—review and editing: Y.Z.; visualization: T.Z.; supervision: Y.Z.; project administration: B.W. and Y.L.; funding acquisition: Y.L. The authors declare that all data were generated in-house and that no paper mill was used. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Bo Wang, Yonggang Liu or Yuanyuan Zhang.

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Liang, L., Zheng, T., Fan, X. et al. Rosavin extends lifespan via the insulin/IGF-1 signaling pathway in Caenorhabditis elegans. Naunyn-Schmiedeberg's Arch Pharmacol 397, 5275–5287 (2024). https://doi.org/10.1007/s00210-024-02952-9

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  • DOI: https://doi.org/10.1007/s00210-024-02952-9

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