The Soy Isoflavone Genistein Enhances IFN-γ-Induced PD-L1 Expression in B16F1 Melanoma Cells <i>in Vitro</i>

DOI Web Site 参考文献17件 オープンアクセス
  • Tanaka Yuko
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Yamamoto Mako
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Ohhashi Haruka
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Nakamoto Akiko
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Nakamoto Mariko
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School
  • Sakai Tohru
    Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School

説明

<p>PD-L1 molecules on a tumor have attracted attention because PD-L1 on a tumor plays an important role in escape for host immune responses. It has been shown that genistein attenuates immune checkpoint therapy for B16F1 melanoma in mice. We examined the effect of genistein on expression of PD-L1 in B16F1 melanoma cells and found that genistein increases the expression of IFN-γ-induced PD-L1 molecules at both protein and mRNA levels. Genistein increased the mRNA expression of STAT1 and STAT3 in IFN-γ-treated B16F1 cells. We compared the effects of ten types of flavonoids on PD-L1 expression and found that genistein is a strong inducer of PD-L1 expression among the flavonoids.</p>

収録刊行物

  • BPB Reports

    BPB Reports 7 (1), 21-25, 2024

    公益社団法人 日本薬学会

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