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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
2011 ; 85
(22
): 11955-63
Nephropedia Template TP
gab.com Text
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English Wikipedia
Major histocompatibility complex class II expression and hemagglutinin subtype
influence the infectivity of type A influenza virus for respiratory dendritic
cells
#MMPMID21917972
Hargadon KM
; Zhou H
; Albrecht RA
; Dodd HA
; García-Sastre A
; Braciale TJ
J Virol
2011[Nov]; 85
(22
): 11955-63
PMID21917972
show ga
Dendritic cells (DC) play a key role in antiviral immunity, functioning both as
innate effector cells in early phases of the immune response and subsequently as
antigen-presenting cells that activate the adaptive immune response. In the
murine respiratory tract, there are several respiratory dendritic cell (RDC)
subsets, including CD103(+) DC, CD11b(hi) DC, monocyte/macrophage DC, and
plasmacytoid DC. However, little is known about the interaction between these
tissue-resident RDC and viruses that are encountered during natural infection in
the respiratory tract. Here, we show both in vitro and in vivo that the
susceptibility of murine RDC to infection with type A influenza virus varies with
the level of MHC class II expression by RDC and with the virus strain. Both
CD103(+) and CD11b(hi) RDC, which express the highest basal level of major
histocompatibility complex (MHC) class II, are highly susceptible to infection by
type A influenza virus. However, efficient infection is restricted to type A
influenza virus strains of the H2N2 subtype. Furthermore, enhanced infectivity by
viruses of the H2N2 subtype is linked to expression of the I-E MHC class II locus
product. These results suggest a potential novel role for MHC class II molecules
in influenza virus infection and pathogenesis in the respiratory tract.