Korean Journal of Veterinary Research (대한수의학회지)

The Korean Society of Veterinary Science (대한수의학회)
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Induction of apoptosis in mouse spleen cells by Ginsenoside Rp1

마우스 비장세포에서 Ginsenoside Rp1의 세포자멸사 유도

  • Oh, Young-Kyun (Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, Jeju National University) ;
  • Joo, Hong-Gu (Laboratory of Veterinary Pharmacology, College of Veterinary Medicine, Jeju National University)
  • 오영균 (제주대학교 수의과대학 수의약리학실험실) ;
  • 주홍구 (제주대학교 수의과대학 수의약리학실험실)
  • Received : 2013.03.11
  • Accepted : 2013.07.18
  • Published : 2013.09.30
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Abstract

Ginsenoside Rp1 is one of ginseng saponins with chemotherapeutic activity. In this study, we investigated the effects of Rp1 on spleen cells. Spleen is a major immune organ consisted of crucial immune cells, such as T lymphocytes, B lymphocytes, natural killer cells, and some antigen-presenting cells. Although the anti-tumor potential of Rp1 was studied, the effects of Rp1 on immune cells have not investigated yet. A viability assay using 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT), flow cytometric analysis, Western blot analysis were used to detect cellular changes on Rp1-treated spleen cells. MTT assay showed that Rp1 decreased the viability of spleen cells. To further investigate the effects of Rp1 on activated spleen cells, we treated lipopolysaccharide (LPS) as a representative inflammatory agent and Rp1 on spleen cells in a combination. The surface expression levels of activation markers for lymphocytes, CD25 and CD69 were measured. Apoptotic analysis revealed the cytotoxic effects of Rp1 on both na$\ddot{i}$ve and activated cells, and the expression pattern of some apoptosis-related proteins was correlated to apoptotic events of cells. Taken together, ginsenoside Rp1 increases the cellular death of spleen cells and also inhibits the LPS-induced activation of spleen cells.

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References

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