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Objective: To study the role of Th1/Th2 cytokines in thepathogenesis of recurrent genital herpes (RGH), and tobetter understand the relationship between them. Methods: A two-color immunofluorescent staining of cellsurface antigen and intracellular cytokines for flowcytometric analysis was used for CD_3, IL-2, IL-10, IL-12,IFN-γ and TNF-α in CD_3~+ T-lymphocytes in activatedperipheral blood mononuclear cells of patients with RGH. Results: Compared to controls, patients with RGHshowed fewer CD_3~+ T cells (P<0.05) and IL-2 producing andIFN-γ producing T cells (P<0.02 and P<0.001, respectively)after in vitro stimulation with PMA and ionomycin in thepresence of a protein transport inhibitor. More IL-10producing and IL-12 producing T cells were found inpatients with RGH (P<0.01). There was no significantdifference in the number of TNF-α producing cells betweenRGH patients and controls (P<0.05). Conclusion: RGH patients showed relatively more Th2cytokines. The imbalance between Th1 and Th2 cytokinesresults in inhibitory effects on a series of cell-immuneresponses, which may play an important role in thepathogenesis of RGH.
Methods: A two-color immunofluorescent staining of cells surface antigen and intracellular cytokines for flow cytometry analysis was used for CD_3 , IL-2, IL-10, IL-12, IFN-γ and TNF-α in CD3 + T-lymphocytes in activated peripheral blood mononuclear cells of patients with RGH. Results: Compared to RGHshowed fewer CD_3 ~ T cells (P <0.05) and IL-2 producing and IFN-γ producing T cells (P <0.02 and P <0.001, respectively) after in vitro stimulation with PMA and ionomycin in the presence of a protein transport inhibitor. IL-12 producing T cells were found in patients with RGH (P <0.01). There was no significant difference in the number of TNF-α producing cells between RGH patients and controls (P <0.05). Conclusion: RGH patients showed relatively more Th2cytokines. imbalance between Th1 and T h2 cytokinesresults in inhibitory effects on a series of cell-immuneresponses, which may play an important role in the pathogenesis of RGH.