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The objective of these experiments was to examine the ability of Helicobacter pylori to stimulate interleukin-10 (IL-10) or IL-12 and select for either Th1 or Th2 cells. Gastric biopsy specimens were(More)
The lymphocyte immune reactivity of 12 tularemia patients to Francisella tularensis antigens prepared from the bacterial cell envelope was examined during a 14-week follow-up study. Lymphocyte blast(More)
Cell-mediated immunity is essential for protection against the intracellular bacterium Francisella tularensis, which causes tularemia. Positive in vitro T-cell responses in the form of lymphocyte(More)
Nickel sulphate antigen-induced peripheral blood lymphocyte activation in vitro was characterized by lymphokine measurement (IL-2, IFN-gamma) and phenotyping of the IL-2 responsive cells. Mononuclear(More)
The T-cell response induced by Francisella tularensis antigen in sensitized subjects was characterized in vitro by measuring DNA synthesis in whole-blood and mononuclear cell cultures, interleukin 2(More)