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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 Ann+Intensive+Care
2016 ; 6
(1
): 105
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gab.com Text
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English Wikipedia
Neutrophil expression of glucocorticoid-induced leucine zipper (GILZ)
anti-inflammatory protein is associated with acute respiratory distress syndrome
severity
#MMPMID27807817
Espinasse MA
; Hajage D
; Montravers P
; Piednoir P
; Dufour G
; Tubach F
; Granger V
; de Chaisemartin L
; Noël B
; Pallardy M
; Chollet-Martin S
; Biola-Vidamment A
Ann Intensive Care
2016[Dec]; 6
(1
): 105
PMID27807817
show ga
BACKGROUND: Glucocorticoid-induced leucine zipper (GILZ) is a potent
anti-inflammatory protein involved in neutrophil apoptosis and the resolution of
inflammation. Given the numerous pathophysiologic roles of neutrophils in the
acute respiratory distress syndrome (ARDS), we postulated that neutrophil GILZ
expression might be induced during ARDS, to modulate the inflammatory process and
participate in lung repair. METHODS: This single-center, prospective,
observational cohort study took place in the surgical intensive care unit of
Bichat Hospital (Paris, France) and involved 17 ARDS patients meeting the Berlin
criteria at inclusion, and 14 ventilated controls without ARDS. Serial blood
samples were obtained every 2 days until extubation or death (from 1 to 9 samples
per patient). GILZ protein and gene expression was quantified in blood
neutrophils, along with markers of inflammation (CRP, extracellular DNA) or its
resolution (Annexin A1). RESULTS: Neutrophil GILZ expression was detected at the
transcriptional and/or translational level in 9/17 ARDS patients (in particular
7/10 severe ARDS) and in 2/14 ventilated controls. The highest mRNA levels were
observed in the most severely ill patients (p < 0.028). GILZ was expressed in
about ¾ of the corticosteroid-treated patients and its expression could also
occur independently of corticosteroids, suggesting that inflammatory signals may
also induce neutrophil GILZ expression in vivo. CONCLUSIONS: In this pilot study,
we show for the first time that blood neutrophils from patients with ARDS can
express GILZ, in keeping with an anti-inflammatory and regulatory endogenous role
of GILZ in humans. Contrary to some markers of inflammation or its resolution,
the levels of gilz gene expression were related to ARDS severity.