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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 J+Clin+Invest
2016 ; 126
(4
): 1245-7
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Influenza leaves a TRAIL to pulmonary edema
#MMPMID26999598
Brauer R
; Chen P
J Clin Invest
2016[Apr]; 126
(4
): 1245-7
PMID26999598
show ga
Influenza infection can cause acute respiratory distress syndrome (ARDS), leading
to poor disease outcome with high mortality. One of the driving features in the
pathogenesis of ARDS is the accumulation of fluid in the alveoli, which causes
severe pulmonary edema and impaired oxygen uptake. In this issue of the JCI,
Peteranderl and colleagues define a paracrine communication between macrophages
and type II alveolar epithelial cells during influenza infection where IFN?
induces macrophage secretion of TRAIL that causes endocytosis of Na,K-ATPase by
the alveolar epithelium. This reduction of Na,K-ATPase expression decreases
alveolar fluid clearance, which in turn leads to pulmonary edema. Inhibition of
the TRAIL signaling pathway has been shown to improve lung injury after influenza
infection, and future studies will be needed to determine if blocking this
pathway is a viable option in the treatment of ARDS.