Lack of gastritis and of an adaptive immune response in interferon regulatory factor-1-deficient mice infected withHelicobacter pylori

Abstract excerpt

To study the role of T cell responses in Helicobacter pylori gastritis, C57BL/6 wild-type and interferon regulatory factor-1-deficient (IRF-1(-/-)) mice were infected with the mouse-adapted H. pylori Sydney strain. Mice lacking the transcription factor IRF-1 are defective in Th1 development and are therefore biased to mount a Th2-type response. After 4 months of infection, C57BL/6 mice developed severe gastritis...

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