Mutations in GATA2 cause human NK cell deficiency with specific loss of the CD56(bright) subset.

Emily M. Mace, Amy P. Hsu, Linda Monaco-Shawver, George Makedonas, Joshua B. Rosen, Lesia Dropulic, Jeffrey I. Cohen, Eugene P. Frenkel, John C. Bagwell, John L. Sullivan, Christine A. Biron, Christine Spalding, Christa S. Zerbe, Gulbu Uzel, Steven M. Holland, Jordan S. Orange

Research output: Contribution to journalArticle

110 Scopus citations

Abstract

Mutations in the transcription factor GATA2 underlie the syndrome of monocytopenia and B- and natural killer (NK)-cell lymphopenia associated with opportunistic infections and cancers. In addition, patients have recurrent and severe viral infections. NK cells play a critical role in mediating antiviral immunity. Human NK cells are thought to mature in a linear fashion, with the CD56(bright) stage preceding terminal maturation to the CD56(dim) stage, considered the most enabled for cytotoxicity. Here we report an NK cell functional defect in GATA2-deficient patients and extend this genetic lesion to what is considered to be the original NK cell-deficient patient. In most cases, GATA2 deficiency is accompanied by a severe reduction in peripheral blood NK cells and marked functional impairment. The NK cells detected in peripheral blood of some GATA2-deficient patients are exclusively of the CD56(dim) subset, which is recapitulated on in vitro NK cell differentiation. In vivo, interferon α treatment increased NK cell number and partially restored function but did not correct the paucity of CD56(bright) cells. Thus, GATA2 is required for the maturation of human NK cells and the maintenance of the CD56(bright) pool in the periphery. Defects in GATA2 are a novel cause of profound NK cell dysfunction.

Original languageEnglish (US)
Pages (from-to)2669-2677
Number of pages9
JournalBlood
Volume121
Issue number14
DOIs
Publication statusPublished - Apr 4 2013

    Fingerprint

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology

Cite this

Mace, E. M., Hsu, A. P., Monaco-Shawver, L., Makedonas, G., Rosen, J. B., Dropulic, L., ... Orange, J. S. (2013). Mutations in GATA2 cause human NK cell deficiency with specific loss of the CD56(bright) subset. Blood, 121(14), 2669-2677. https://doi.org/10.1182/blood-2012-09-453969