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Food Science and Human Wellness 2023, 12(5): 1683-1692 https://doi.org/10.1016/j.fshw.2023.02.029
Research Article | Open Access | Issue | Published: 21 March 2023

Pterostilbene antagonizes homocysteine-induced oxidative stress, apoptosis and lipid deposition in vascular endothelial cells

Show Author's Information Qiao Jianga,  Li Wangb,  Xu Sia,  Yuanyuan Biana,  Weijia Zhanga,  Huijun Cuia,  Hailong Guia,  Ye Zhanga,  Bin Lia( ),  Dehong Tana( )
College of Food Science, Shenyang Agricultural University, Shenyang 110866, China
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China

Peer review under responsibility of KeAi Communications Co., Ltd.

Keywords:
Atherosclerosis, Polyphenols, Pterostilbene, Hyperhomocysteinemia, Methionine
Cite this article:
Jiang Q, Wang L, Si X, et al. Pterostilbene antagonizes homocysteine-induced oxidative stress, apoptosis and lipid deposition in vascular endothelial cells. Food Science and Human Wellness, 2023, 12(5): 1683-1692. https://doi.org/10.1016/j.fshw.2023.02.029
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Abstract Full text About this article

Hyperhomocysteinemia (HHcy) causes oxidative stress, induces apoptosis, and leads to damage to the vascular endothelium is the starting point of atherosclerosis. Pterostilbene (Pte) has been reported to have antioxidant and anti-apoptotic effects under various pathological conditions. The purpose of this study was to explore whether Pte can inhibit the oxidative stress and apoptosis of vascular endothelium induced by homocysteine (Hcy) and to explain the possible mechanism by which it occurs. The results showed that 20 μmol/L Pte significantly reduced the accumulation of reactive oxygen species, malondialdehyde, and lipids in cells induced by Hcy and promoted the activities of superoxide dismutase and catalase. The Hoechst 33342/PI staining assay showed that Pte antagonized Hcy-induced apoptosis. Pte inhibited Hcy-induced Akt dephosphorylation, increased p53, and decreased the Bcl-2/Bax ratio and caspase-9/caspase-3 activation in a dose-dependent manner. LY294002 pretreatment partially reversed the protective effect of Pte by blocking the PI3K/Akt pathway. Moreover, Pte reduced lipid deposition in human umbilical vein endothelial cells (HUVECs). This study proposes that Pte can inhibit Hcy-induced oxidative stress and apoptosis of HUVECs, and the PI3K/Akt/p53 signaling pathway of apoptosis was revealed. These results suggest that Pte exhibits significant potential for dealing with HHcy-induced vascular endothelial injury, such as atherosclerosis.


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About this article

Pterostilbene antagonizes homocysteine-induced oxidative stress, apoptosis and lipid deposition in vascular endothelial cells

Show Author's information Qiao Jianga, Li Wangb, Xu Sia, Yuanyuan Biana, Weijia Zhanga, Huijun Cuia, Hailong Guia, Ye Zhanga, Bin Lia( ), Dehong Tana( )
College of Food Science, Shenyang Agricultural University, Shenyang 110866, China
State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China

Peer review under responsibility of KeAi Communications Co., Ltd.

Abstract

Hyperhomocysteinemia (HHcy) causes oxidative stress, induces apoptosis, and leads to damage to the vascular endothelium is the starting point of atherosclerosis. Pterostilbene (Pte) has been reported to have antioxidant and anti-apoptotic effects under various pathological conditions. The purpose of this study was to explore whether Pte can inhibit the oxidative stress and apoptosis of vascular endothelium induced by homocysteine (Hcy) and to explain the possible mechanism by which it occurs. The results showed that 20 μmol/L Pte significantly reduced the accumulation of reactive oxygen species, malondialdehyde, and lipids in cells induced by Hcy and promoted the activities of superoxide dismutase and catalase. The Hoechst 33342/PI staining assay showed that Pte antagonized Hcy-induced apoptosis. Pte inhibited Hcy-induced Akt dephosphorylation, increased p53, and decreased the Bcl-2/Bax ratio and caspase-9/caspase-3 activation in a dose-dependent manner. LY294002 pretreatment partially reversed the protective effect of Pte by blocking the PI3K/Akt pathway. Moreover, Pte reduced lipid deposition in human umbilical vein endothelial cells (HUVECs). This study proposes that Pte can inhibit Hcy-induced oxidative stress and apoptosis of HUVECs, and the PI3K/Akt/p53 signaling pathway of apoptosis was revealed. These results suggest that Pte exhibits significant potential for dealing with HHcy-induced vascular endothelial injury, such as atherosclerosis.

Keywords: Atherosclerosis, Polyphenols, Pterostilbene, Hyperhomocysteinemia, Methionine

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Publication history

Received: 06 June 2021
Revised: 12 July 2021
Accepted: 19 August 2021
Published: 21 March 2023
Issue date: September 2023

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© 2023 Beijing Academy of Food Sciences.

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Acknowledgements

This work was supported by the Zhejiang Lanmei Technology Co., Ltd., National Natural Science Foundation of China (U21A20273), “China Agriculture Research System of MOF and MARA (CARS-29)” and the First Batch of Liaoning “Unveiling Leader” Scientific and Technological Projects (2021JH1/10400036).

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