Ginsenosides from Korean red ginseng modulate T cell function via the regulation of NF-AT-mediated IL-2 production

Abstract

Korean red ginseng is a traditional health food frequently used to prevent or treat various diseases worldwide. In this study, we evaluated the immunomodulatory activities of eleven compounds (1–11) isolated from Korean red ginseng, focusing on T cell function. First, the effects of the eleven compounds were studied on the regulation of IL-2, a potent T cell growth factor. Compounds 5, 7, and 9 significantly increased IL-2 secretion in phorbol 12-myristate 13-acetate (PMA)/ionomycin (Io)-induced EL-4 T cells. Next, we examined the effects of compounds 5, 7, and 9 on the regulation of transcription factors related to IL-2 production in T cells. Compound 9 significantly increased the PMA/Io-induced promoter activity of nuclear factor of activated T cells (NF-AT) in EL-4 T cells, but did not have any significant effects on the promoters of NF- κB. These results suggest that compound 9 activates T cell function via the regulation of NF-AT-mediated IL-2 production.

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Acknowledgements

This research was financially supported by the Priority Research Center Program (Code: 2009-0093815) through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology Korea.

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Correspondence to Young Ho Kim.

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Vinh, L.B., Park, J.U., Duy, L.X. et al. Ginsenosides from Korean red ginseng modulate T cell function via the regulation of NF-AT-mediated IL-2 production. Food Sci Biotechnol 28, 237–242 (2019). https://doi.org/10.1007/s10068-018-0428-8

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Keywords

  • Panax ginseng
  • Korean red ginseng
  • Ginsenosides
  • IL-2