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2014 ; 385
(ä): 243-74
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Molecular determinants of influenza virus pathogenesis in mice
#MMPMID25038937
Kamal RP
; Katz JM
; York IA
Curr Top Microbiol Immunol
2014[]; 385
(ä): 243-74
PMID25038937
show ga
Mice are widely used for studying influenza virus pathogenesis and immunology
because of their low cost, the wide availability of mouse-specific reagents, and
the large number of mouse strains available, including knockout and transgenic
strains. However, mice do not fully recapitulate the signs of influenza infection
of humans: transmission of influenza between mice is much less efficient than in
humans, and influenza viruses often require adaptation before they are able to
efficiently replicate in mice. In the process of mouse adaptation, influenza
viruses acquire mutations that enhance their ability to attach to mouse cells,
replicate within the cells, and suppress immunity, among other functions. Many
such mouse-adaptive mutations have been identified, covering all 8 genomic
segments of the virus. Identification and analysis of these mutations have
provided insight into the molecular determinants of influenza virulence and
pathogenesis, not only in mice but also in humans and other species. In
particular, several mouse-adaptive mutations of avian influenza viruses have
proved to be general mammalian-adaptive changes that are potential markers of
pre-pandemic viruses. As well as evaluating influenza pathogenesis, mice have
also been used as models for evaluation of novel vaccines and anti-viral
therapies. Mice can be a useful animal model for studying influenza biology as
long as differences between human and mice infections are taken into account.
|*Disease Models, Animal
[MESH]
|*Mice/virology
[MESH]
|Animals
[MESH]
|Humans
[MESH]
|Influenza A virus/genetics/*pathogenicity/physiology
[MESH]