Adaptive resistance: A tumor strategy to evade immune attack

Sheng Yao, Lieping Chen

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


A dilemma in cancer immunology is that, although patients often develop active antitumor immune responses, the tumor still outgrows. It has become clear that under the pressure of the host's immune system, cancer cells have adapted elaborate tactics to reduce their immunogenicity (also known as immunoselection) and/or to actively suppress immune cells and promote immune tolerance (also known as immunosubversion). In this issue of the European Journal of Immunology, Dolen and Esendagli [Eur. J. Immunol. 2013. 43: 747-757] show that acute myeloid leukemia (AML) cells develop an adaptive immune phenotype switching mechanism: In response to attack by activated T cells, the leukemia cells quickly downregulate the T-cell costimulatory ligand B7-H2 and reciprocally upregulate the coinhibitory ligands B7-H1 and B7-DC in order to shut down T-cell activation via the PD-1 pathway. These novel findings and their relevance for cancer immunotherapy, especially potential applications in PD-1 check-point blockade therapy are discussed in this Commentary.

Original languageEnglish (US)
Pages (from-to)576-579
Number of pages4
JournalEuropean Journal of Immunology
Issue number3
StatePublished - Mar 2013
Externally publishedYes

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy


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