Multiparametric analysis of host response to murine cytomegalovirus in MHC class I-disparate mice reveals primacy of Dk-licensed Ly49G2+ NK cells in viral control.

Abstract excerpt

MHC class I D(k) and Ly49G2 (G2) inhibitory receptor-expressing NK cells are essential to murine CMV (MCMV) resistance in MA/My mice. Without D(k), G2(+) NK cells in C57L mice fail to protect against MCMV infection. As a cognate ligand of G2, D(k) licenses G2(+) NK cells for effector activity. These data suggested that D(k)-licensed G2(+) NK cells might recognize and control MCMV infection. However, a role for...

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