期刊
RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY
卷 178, 期 2, 页码 235-241出版社
ELSEVIER
DOI: 10.1016/j.resp.2011.06.016
关键词
PBEF; ALI; H1N1; Inflammation; Apoptosis
The recent pandemic influenza A (H1N1 2009) virus infection has caused acute lung injury in susceptible population resulting in high mortality in ICU patients. In this report, we observed the effect of pre-B cell colony-enhancing factor (PBEF) on the inflammation and apoptosis in H1N1-infected human pulmonary microvascular endothelial cells (HPMECs). We constructed an in vitro HPMEC monolayer model. The results showed that H1N1 2009 induced the increased expression of inflammatory cytokines (IL-6/IL-8/TNF-alpha/IP-10) and apoptosis factors (FasL/TRAIL) in infected HPMECs. However, PBEF silencing with siRNA inhibited the expression of some inflammatory cytokines and decreased the apoptosis mediated by FasL We conclude that PBEF might be partially responsible for the localized inflammatory response to H1N1 2009 in the lung microvascular endothelium and the H1N1-induced endothelial cell apoptosis probably through the FasL-mediated pathway. (C) 2011 Elsevier B.V. All rights reserved.
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