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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+Virol
2015 ; 89
(20
): 10190-205
Nephropedia Template TP
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Human Dendritic Cell Response Signatures Distinguish 1918, Pandemic, and Seasonal
H1N1 Influenza Viruses
#MMPMID26223639
Hartmann BM
; Thakar J
; Albrecht RA
; Avey S
; Zaslavsky E
; Marjanovic N
; Chikina M
; Fribourg M
; Hayot F
; Schmolke M
; Meng H
; Wetmur J
; García-Sastre A
; Kleinstein SH
; Sealfon SC
J Virol
2015[Oct]; 89
(20
): 10190-205
PMID26223639
show ga
Influenza viruses continue to present global threats to human health. Antigenic
drift and shift, genetic reassortment, and cross-species transmission generate
new strains with differences in epidemiology and clinical severity. We compared
the temporal transcriptional responses of human dendritic cells (DC) to infection
with two pandemic (A/Brevig Mission/1/1918, A/California/4/2009) and two seasonal
(A/New Caledonia/20/1999, A/Texas/36/1991) H1N1 influenza viruses.
Strain-specific response differences included stronger activation of NF-?B
following infection with A/New Caledonia/20/1999 and a unique cluster of genes
expressed following infection with A/Brevig Mission/1/1918. A common antiviral
program showing strain-specific timing was identified in the early DC response
and found to correspond with reported transcript changes in blood during
symptomatic human influenza virus infection. Comparison of the global responses
to the seasonal and pandemic strains showed that a dramatic divergence occurred
after 4 h, with only the seasonal strains inducing widespread mRNA loss.
IMPORTANCE: Continuously evolving influenza viruses present a global threat to
human health; however, these host responses display strain-dependent differences
that are incompletely understood. Thus, we conducted a detailed comparative study
assessing the immune responses of human DC to infection with two pandemic and two
seasonal H1N1 influenza strains. We identified in the immune response to viral
infection both common and strain-specific features. Among the stain-specific
elements were a time shift of the interferon-stimulated gene response, selective
induction of NF-?B signaling by one of the seasonal strains, and massive RNA
degradation as early as 4 h postinfection by the seasonal, but not the pandemic,
viruses. These findings illuminate new aspects of the distinct differences in the
immune responses to pandemic and seasonal influenza viruses.
|*Pandemics
[MESH]
|Antigenic Variation
[MESH]
|Dendritic Cells/*immunology/virology
[MESH]
|Europe/epidemiology
[MESH]
|Gene Expression Profiling
[MESH]
|Gene Expression Regulation
[MESH]
|History, 20th Century
[MESH]
|History, 21st Century
[MESH]
|Host-Pathogen Interactions
[MESH]
|Humans
[MESH]
|Influenza A Virus, H1N1 Subtype/genetics/*immunology
[MESH]