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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Immunol
2014 ; 15
(6
): 546-53
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The transcription factor Zbtb32 controls the proliferative burst of
virus-specific natural killer cells responding to infection
#MMPMID24747678
Beaulieu AM
; Zawislak CL
; Nakayama T
; Sun JC
Nat Immunol
2014[Jun]; 15
(6
): 546-53
PMID24747678
show ga
Natural killer (NK) cells are innate lymphocytes that exhibit many features of
adaptive immunity, including clonal proliferation and long-lived memory. Here we
demonstrate that the BTB-ZF transcription factor Zbtb32 (also known as ROG, FAZF,
TZFP and PLZP) was essential for the proliferative burst and protective capacity
of virus-specific NK cells. Signals from proinflammatory cytokines were both
necessary and sufficient to induce high expression of Zbtb32 in NK cells. Zbtb32
facilitated NK cell proliferation during infection by antagonizing the
anti-proliferative factor Blimp-1 (Prdm1). Our data support a model in which
Zbtb32 acts as a cellular 'hub' through which proinflammatory signals instruct a
'proliferation-permissive' state in NK cells, thereby allowing their prolific
expansion in response to viral infection.