Basics of PD-1 in self-tolerance, infection, and cancer immunity

研究成果: Review article査読

46 被引用数 (Scopus)

抄録

Successful cancer treatment requires understanding host immune response against tumor cells. PD-1 belongs to the CD28 superfamily of receptors that work as “checkpoints” of immune activation. PD-1 maintains immune self-tolerance to prevent autoimmunity and controls T-cell reaction during infection to prevent excessive tissue damage. Tumor cells that arise from normal tissue acquire mutations that can be targeted by lymphocytes. Accumulating lines of evidence suggest that tumor cells evade host immune attack by expressing physiological PD-1 ligands and stimulating PD-1 on the lymphocytes. Based on this idea, researchers have successfully demonstrated that systemic administration of monoclonal antibodies that inhibit the binding of PD-1 to the ligands reactivated T cells and augmented the anti-cancer immune response. In this review, I summarize the basics of T-cell biology and its regulation by PD-1 and discuss the current understanding and questions about this multifaceted molecule.

本文言語English
ページ(範囲)448-455
ページ数8
ジャーナルInternational Journal of Clinical Oncology
21
3
DOI
出版ステータスPublished - 2016 6月 1

ASJC Scopus subject areas

  • 外科
  • 血液学
  • 腫瘍学

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