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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Murine cytomegalovirus m157 mutation and variation leads to immune evasion of natural killer cells.

Effective natural killer (NK) cell recognition of murine cytomegalovirus (MCMV)-infected cells depends on binding of the Ly49H NK cell activation receptor to the m157 viral glycoprotein. Here we addressed the immunological consequences of variation in m157 sequence and function. We found that most strains of MCMV possess forms of m157 that evade Ly49H-dependent NK cell activation. Importantly, repeated passage of MCMV through resistant Ly49H+ mice resulted in the rapid emergence of m157 mutants that elude Ly49H-dependent NK cell responses. These data provide the first molecular evidence that NK cells can exert sufficient immunological pressure on a DNA virus, such that it undergoes rapid and specific mutation in an NK cell ligand enabling it to evade efficient NK cell surveillance.[1]

References

  1. Murine cytomegalovirus m157 mutation and variation leads to immune evasion of natural killer cells. Voigt, V., Forbes, C.A., Tonkin, J.N., Degli-Esposti, M.A., Smith, H.R., Yokoyama, W.M., Scalzo, A.A. Proc. Natl. Acad. Sci. U.S.A. (2003) [Pubmed]
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