Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Canavalia gladiata regulates the immune responses of macrophages differently depending on the extraction method

  • Lee, Ha-Nul (Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University) ;
  • Kim, Young-Min (Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University) ;
  • Jang, Ah-Ra (Laboratory Animal Medicine, College of Veterinary Medicine and Animal Medical Institute, Chonnam National University) ;
  • Kim, Young Ran (College of Pharmacy and Research Institute of Drug Development, Chonnam National University) ;
  • Park, Jong-Hwan (Laboratory Animal Medicine, College of Veterinary Medicine and Animal Medical Institute, Chonnam National University)
  • Received : 2020.10.08
  • Accepted : 2020.10.27
  • Published : 2020.12.31
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Abstract

Recent studies have suggested that Canavalia gladiate, a dietary food and traditional folk medicine, has promising pharmaceutical potential, but the effects have mostly been demonstrated using its organo-soluble extract. To date, its immunomodulatory effect depending on the extraction method is unclear. Here, the immune responses of macrophages to C. gladiate and the underlying mechanisms were studied. C. gladiate hot water extract (CGW) induced cytokine production in bone marrow-derived macrophages (BMDMs) in a dose-dependent manner, whereas its ethanolic extract (CGE) did not. Immunoblotting analysis also showed that CGW activated nuclear factor (NF)-κB and mitogen-activated protein kinases (MAPKs). Moreover, an inhibitor assay revealed the involvement of NF-κB, p38, and JNK, but not ERK, in CGW-induced cytokine production. CGE inhibited lipopolysaccharide-stimulated production of pro-inflammatory cytokines and activation of NF-κB and MAPKs in BMDMs. The results suggest that C. gladiate regulates the immune responses of macrophages differently depending on the extraction method.

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References

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