N-ethyl-N-nitrosourea-induced mutation in ubiquitin-specific peptidase 18 causes hyperactivation of IFN-αß signaling and suppresses STAT4-induced IFN-γ production, resulting in increased susceptibility to Salmonella typhimurium.

Abstract excerpt

To deepen our knowledge of the natural host response to pathogens, our team undertook an in vivo screen of mutagenized 129S1 mice with Salmonella Typhimurium. One mutation affecting Salmonella susceptibility was mapped to a region of 1.3 Mb on chromosome 6 that contains 15 protein-coding genes. A missense mutation was identified in the Usp18 (ubiquitin-specific peptidase 18) gene. This mutation results in an...

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