The cooperative induction of macrophage activation by fucoidan derived from Cladosiphon okamuranus and β-glucan derived from Saccharomyces cerevisiae

Yoshiyuki Miyazaki, Yuri Iwaihara, Juneha Bak, Hayato Nakano, S. Takeuchi, Hideaki Takeuchi, Toshiro Matsui, Daisuke Tachikawa

研究成果: ジャーナルへの寄稿記事

抄録

The present study investigated immune stimulatory effects of Cladosiphon okamuranus-derived fucoidan to activate murine macrophage-like cell line RAW264, and the functional relationship with zymosan, a Saccharomyces cerevisiae-derived β-glucan. The production of nitric oxide (NO) and tumor necrosis factor-α (TNF-α) in RAW264 cells were remarkably enhanced in the presence of 10 μg/mL fucoidan, and the stimulatory effects of fucoidan were maximally augmented in combinational treatment with 500 ng/mL zymosan, whereas any TLR ligands had no those effects. Confocal microscopic analyses suggested that fucoidan bound on plasma membrane, and it was estimated that some cell surface molecules acted as receptor for fucoidan because cytochalasin D, an inhibitor of phagocytosis, did not affect the immune enhancing activities, whereas methyl-β-cyclodextrin (MβCD), a general agent for disruption of lipid rafts, diminished that. Furthermore, it was revealed that the additive effects of zymosan on the immune activation with fucoidan was thought to be mediated by dectin-1 based on the results with dectin-1-knockdown RAW264 cells. All of results suggested that fucoidan and some kinds of β-glucan would cooperatively reinforce the activity of innate immune cells via interactive receptor crosstalk.

元の言語英語
ページ(範囲)245-250
ページ数6
ジャーナルBiochemical and Biophysical Research Communications
516
発行部数1
DOI
出版物ステータス出版済み - 8 13 2019

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Glucans
Macrophage Activation
Macrophages
Yeast
Saccharomyces cerevisiae
Chemical activation
Zymosan
Cytochalasin D
Cyclodextrins
Cell membranes
Crosstalk
fucoidan
Phagocytosis
Nitric Oxide
Tumor Necrosis Factor-alpha
Cells
Cell Membrane
Ligands
Lipids
Cell Line

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

これを引用

The cooperative induction of macrophage activation by fucoidan derived from Cladosiphon okamuranus and β-glucan derived from Saccharomyces cerevisiae. / Miyazaki, Yoshiyuki; Iwaihara, Yuri; Bak, Juneha; Nakano, Hayato; Takeuchi, S.; Takeuchi, Hideaki; Matsui, Toshiro; Tachikawa, Daisuke.

:: Biochemical and Biophysical Research Communications, 巻 516, 番号 1, 13.08.2019, p. 245-250.

研究成果: ジャーナルへの寄稿記事

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