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Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Proteomics 2012 ; 75 (6): 1732-41 Nephropedia Template TP
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Analysis of cellular proteome alterations in porcine alveolar macrophage cells infected with 2009 (H1N1) and classical swine H1N1 influenza viruses #MMPMID22202185
Zhu J; Zou W; Jia G; Zhou H; Hu Y; Peng M; Chen H; Jin M
J Proteomics 2012[Mar]; 75 (6): 1732-41 PMID22202185show ga
The H1N1/2009 influenza virus has the potential to cause a human pandemic, and sporadic cases of human-to-pig transmission have been reported. In this study, two influenza viruses were isolated from pigs. A phylogenetic analysis showed that the A/swine/NanChang/F9/2010(H1N1) (F9/10) strain shared a high degree of homology with the pandemic H1N1/2009 virus, and A/swine/GuangDong/34/2006 (H1N1) (34/06) strains was a classical swine influenza virus. A proteomic analysis was performed to investigate possible alterations of protein expression in porcine alveolar macrophage (PAM) cells infected by the F9/10 and 34/06 viruses over different time courses. Using 2-DE in association with MALDI-TOF MS/MS, we identified 13 up-regulated and 21 down-regulated protein spots, including cytoskeleton proteins, cellular signal transduction proteins, molecular biosynthesis proteins and heat shock proteins. The most significant changes in the infected cells were associated with molecular biosynthesis proteins and heat shock proteins. We analysed the biological characteristics of the F9/10 and 34/06 viruses in vivo and in vitro. The F9/10 virus showed greater pathogenicity than the 34/06 virus in PAM cells and mice. This study provides insights into the biologic characteristics, potential virulence alteration and cross-species transmission mechanisms of the pandemic H1N1/2009.
|Animals[MESH]
|Gene Expression Profiling[MESH]
|Heat-Shock Proteins/genetics[MESH]
|Influenza A Virus, H1N1 Subtype/*genetics/pathogenicity[MESH]