reviewImmunological ReviewsMar 1, 2017Closed access

The ectonucleotidases CD 39 and CD 73: Novel checkpoint inhibitor targets

Centre Hospitalier de l’Université de Montréal · Université de Montréal · +2 more institutions

PubMed
Indexed incrossrefpubmed

Abstract

Cancers are able to grow by subverting immune suppressive pathways, to prevent the malignant cells as being recognized as dangerous or foreign. This mechanism prevents the cancer from being eliminated by the immune system and allows disease to progress from a very early stage to a lethal state. Immunotherapies are newly developing interventions that modify the patient's immune system to fight cancer, by either directly stimulating rejection-type processes or blocking suppressive pathways. Extracellular adenosine generated by the ectonucleotidases CD39 and CD73 is a newly recognized "immune checkpoint mediator" that interferes with anti-tumor immune responses. In this review, we focus on CD39 and CD73…

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