FHL2 Regulates Natural Killer Cell Development and Activation During Infection

Overview

Journal Front Immunol

Specialty Allergy & Immunology

Date 2017 Mar 1

PMID 28243234

Citations 10

Authors

Thomas Baranek

Eric Morello

Alexandre Valayer

Rose-France Aimar

Deborah Brea

Clemence Henry

Anne-Gaelle Besnard

Emilie Dalloneau

Antoine Guillon

Pierre-Francois Dequin

Emilie Narni-Mancinelli

Eric Vivier

Fabrice Laurent

Yu Wei

Christophe Paget

Mustapha Si-Tahar

Affiliations

Soon will be listed here.

Abstract

Recent studies suggested that the transcription cofactor LIM-only protein FHL2 is a major transcriptional regulator of mouse natural killer (NK) cells. However, the expression and role of FHL2 in NK cell biology are unknown. Here, we confirm that FHL2 is expressed in both mouse and human NK cells. Using FHL2 mice, we found that FHL2 controls NK cell development in the bone marrow and maturation in peripheral organs. To evaluate the importance of FHL2 in NK cell activation, FHL2 mice were infected with . FHL2 mice are highly susceptible to this infection. The activation of lung NK cells is altered in FHL2 mice, leading to decreased IFNγ production and a loss of control of bacterial burden. Collectively, our data reveal that FHL2 is a new transcription cofactor implicated in NK cell development and activation during pulmonary bacterial infection.

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