Striking a balance: the Goldilocks effect of CD8α expression on NK cells

Paarth B. Dodhiawala, Frank Cichocki

Research output: Contribution to journalReview articlepeer-review

Abstract

NK cells are cytotoxic innate immune cells involved in antitumor immunity, and they provide a treatment option for patients with acute myeloid leukemia (AML). In this issue of the JCI, Cubitt et al. investigated the role of CD8α, a coreceptor present on approximately 40% of human NK cells. IL-15 stimulation of CD8α- NK cells induced CD8α expression via the RUNX3 transcription factor, driving formation of a unique induced CD8α (iCD8α+) population. iCD8α+ NK cells displayed higher proliferation, metabolic activity, and antitumor cytotoxic function compared with preexisting CD8α+ and CD8α- subsets. Therefore, CD8α expression can be used to define a potential dynamic spectrum of NK cell expansion and function. Because these cells exhibit enhanced tumor control, they may be used to improve in NK cell therapies for patients with AML.

Original languageEnglish (US)
Article numbere182905
JournalJournal of Clinical Investigation
Volume134
Issue number15
DOIs
StatePublished - 2024

Bibliographical note

Publisher Copyright:
Copyright: © 2024, Dodhiawala et al.

PubMed: MeSH publication types

  • Journal Article

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