Article
Impaired development of HIV-1 gp160-specific CD8(+) cytotoxic T cells by a delayed switch from Th1 to Th2 cytokine phenotype in mice with Helicobacter pylori infection.
European journal of immunology - 1 Feb 2001
Shirai M, Fujinaga R, Masaki T, Berzofsky J A
Abstract excerpt
Th1 and Th2 cells play a central role in immunoregulation during infection. We show that Helicobacter pylori induces Th1 cytokine responses early (2 weeks) but predominantly Th2 responses later (6 weeks) in infection. The switch is principally mediated by urease-specific CD4(+) T cells, and correlates with a loss of urease-specific high-avidity JNK(+) Th1 and gain of low-avidity JNK(-) (possibly Th2) cells at the...
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