BACH2 restricts NK cell maturation and function, limiting immunity to cancer metastasis Journal Article


Authors: Imianowski, C. J.; Whiteside, S. K.; Lozano, T.; Evans, A. C.; Benson, J. D.; Courreges, C. J. F.; Sadiyah, F.; Lau, C. M.; Zandhuis, N. D.; Grant, F. M.; Schuijs, M. J.; Vardaka, P.; Kuo, P.; Soilleux, E. J.; Yang, J.; Sun, J. C.; Kurosaki, T.; Okkenhaug, K.; Halim, T. Y. F.; Roychoudhuri, R.
Article Title: BACH2 restricts NK cell maturation and function, limiting immunity to cancer metastasis
Abstract: Natural killer (NK) cells are critical to immune surveillance against infections and cancer. Their role in immune surveillance requires that NK cells are present within tissues in a quiescent state. Mechanisms by which NK cells remain quiescent in tissues are incompletely elucidated. The transcriptional repressor BACH2 plays a critical role within the adaptive immune system, but its function within innate lymphocytes has been unclear. Here, we show that BACH2 acts as an intrinsic negative regulator of NK cell maturation and function. BACH2 is expressed within developing and mature NK cells and promotes the maintenance of immature NK cells by restricting their maturation in the presence of weak stimulatory signals. Loss of BACH2 within NK cells results in accumulation of activated NK cells with unrestrained cytotoxic function within tissues, which mediate augmented immune surveillance to pulmonary cancer metastasis. These findings establish a critical function of BACH2 as a global negative regulator of innate cytotoxic function and tumor immune surveillance by NK cells. © 2022 Imianowski et al.
Keywords: genetics; antineoplastic agents; antineoplastic agent; neoplasm; neoplasms; natural killer cell; killer cells, natural; innate immunity; immunity, innate; basic leucine zipper transcription factor; basic-leucine zipper transcription factors; humans; human; bach2 protein, human
Journal Title: Journal of Experimental Medicine
Volume: 219
Issue: 12
ISSN: 0022-1007
Publisher: Rockefeller University Press  
Date Published: 2022-12-05
Start Page: e20211476
Language: English
DOI: 10.1084/jem.20211476
PUBMED: 36178457
PROVIDER: scopus
PMCID: PMC9529614
DOI/URL:
Notes: Article -- Export Date: 1 November 2022 -- Source: Scopus
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  1. Joseph C Sun
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  2. Colleen M Lau
    25 Lau