Journal of Veterinary Science

The Korean Society of Veterinary Science (대한수의학회)
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The effect of Panax notoginseng saponins on oxidative stress induced by PCV2 infection in immune cells: in vitro and in vivo studies

  • Wang, Qiu-Hua (College of Animal Science and Technology, Guangxi University) ;
  • Kuang, Na (College of Animal Science and Technology, Guangxi University) ;
  • Hu, Wen-yue (School of Life Sciences & Biotechnology, Shanghai Jiao Tong University) ;
  • Yin, Dan (College of Animal Science and Technology, Guangxi University) ;
  • Wei, Ying-Yi (College of Animal Science and Technology, Guangxi University) ;
  • Hu, Ting-Jun (College of Animal Science and Technology, Guangxi University)
  • Received : 2020.02.12
  • Accepted : 2020.04.27
  • Published : 2020.07.31
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Abstract

Background: Panax notoginseng saponins (PNS) are bioactive substances extracted from P. notoginseng that are widely used to treat cardiovascular and cerebrovascular diseases and interstitial diseases. PNS have the functions of scavenging free radicals, anti-inflammation, improving blood supply for tissue and so on. Objectives: The aim of this study was to investigate the effects of PNS on the oxidative stress of immune cells induced by porcine circovirus 2 (PCV2) infection in vitro and in vivo. Methods: Using an oxidative stress model of PCV2 infection in a porcine lung cell line (3D4/2 cells) and mice, the levels of nitric oxide (NO), reactive oxygen species (ROS), total glutathione (T-GSH), reduced glutathione (GSH), and oxidized glutathione (GSSG) and the activities of xanthine oxidase (XOD), myeloperoxidase (MPO) and inducible nitric oxide synthetase (iNOS) were determined to evaluate the regulatory effects of PNS on oxidative stress. Results: PNS treatment significantly reduced the levels of NO and ROS, the content of GSSG and the activities of XOD, MPO, and iNOS (p < 0.05), while significantly increasing GSH and the ratio of GSH/GSSG in infected 3D4/2 cells (p < 0.05).Similarly, in the in vivo study, PNS treatment significantly decreased the level of ROS in spleen lymphocytes of infected mice (p < 0.05), increased the levels of GSH and T-GSH (p < 0.05), significantly decreased the GSSG level (p < 0.05), and decreased the activities of XOD, MPO, and iNOS. Conclusions: PNS could regulate the oxidative stress of immune cells induced by PCV2 infection in vitro and in vivo.

Keywords

Acknowledgement

We thank Dr. Huang KH in the College of Veterinary Medicine at Nanjing Agricultural University, for his kindness of providing PCV2.

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