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Molecular and Cellular Biochemistry

, Volume 455, Issue 1–2, pp 127–134 | Cite as

Genistein protects against ox-LDL-induced senescence through enhancing SIRT1/LKB1/AMPK-mediated autophagy flux in HUVECs

  • Huaping ZhangEmail author
  • Xiaorong Yang
  • Xuefen Pang
  • Zhenxiang Zhao
  • Haixia Yu
  • Hui Zhou
Article
  • 184 Downloads

Abstract

The anti-senescence activity of genistein is associated with inducing autophagy; however, the underlying mechanisms are not fully understood. In this study, human umbilical vein endothelial cells (HUVECs) were pretreated with genistein (1000 nM) for 30 min and then exposed to ox-LDL (50 mg/L) for another 12 h. The study found that genistein inhibited the ox-LDL-induced senescence (reducing the levels of P16 and P21 protein, and the activity of SA-β-gal); meanwhile, the effect of genistein was bound up with enhancing autophagic flux (increasing LC3-II, and decreasing the level of P62, p-mTOR and p-P70S6K). Moreover, SIRT1/LKB1/AMPK pathway was involved in genistein accelerating autophagic flux and mitigating senescence in HUVECs. The present study illustrated that genistein was a promising therapeutic agent to delay aging process and extend longevity.

Keywords

Genistein Anti-senescence Autophagy SIRT1 LKB1 AMPK 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 31000481), and the Natural Science Foundation of Shanxi Province, China (No. 2011011040-2).

Compliance with ethical standards

Conflict of interest

The authors declare that there are no conflicts of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Translational Medicine Research CenterShanxi Medical UniversityTaiyuanPeople’s Republic of China
  2. 2.National Key Disciplines, Key Laboratory for Cellular Physiology of Ministry of EducationShanxi Medical UniversityTaiyuanPeople’s Republic of China

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