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  • Title: Dynamic changes of Th1/Th2/Th17 cytokines and human beta defensin 2 in HIV-infected patients with oral candidiasis during the first year of highly active anti-retroviral therapy.
    Author: Yong X, Liu Z, Jiang L, Tao R, Liu W, Zhang L, Peng Y, Lin X, Huang Y.
    Journal: Arch Oral Biol; 2018 Aug; 92():62-67. PubMed ID: 29753928.
    Abstract:
    OBJECTIVE: To investigate the change of Th1/Th2/Th17 cytokines and human beta defensin 2 (HBD-2) in HIV-infected patients with oral candidiasis (OC) and gather information about OC-specific immunity. DESIGN: During the 1st year of highly active anti-retroviral therapy (HAART), 25 HIV-infected patients were followed up at the baseline, 3rd, 6th, 12th month. At each visit, oral manifestations were examined; oral rinses were collected and cultured for Candida; peripheral venous blood was taken to determine CD4 + T cell counts and HIV RNA viral load (VL); both unstimulated whole saliva and peripheral venous blood were taken to determine cytokine (IL-4, IL-17(A/F), IFN-γ) and HBD-2 levels. Twenty-five healthy individuals were enrolled as control. RESULTS: HIV-infected patients displayed lower levels of IL-17(A/F) and IFN-γ but higher level of IL-4 and HBD-2 compared with healthy controls. During the 1st year of HAART, salivary IL-17(A/F) and IFN-γ were in uptrend, whereas salivary IL-4 and salivary HBD-2 were in downtrend. Serum cytokines all show no significant changes. After 1 year of HAART, serum, salivary IL-4 level and salivary IL-17(A/F) showed no significant difference from healthy controls. HIV-infected patients with OC had a higher IL-4 level but lower IFN-γ and IL-17(A/F) levels than those without OC since the 3rd month of HAART. The occurrence of OC was negatively correlated to IL-17(A/F) and IFN-γ, but positively correlated to IL-4. Salivary HBD-2 expression was up-regulated in HIV and might associate with Candida albicans. CONCLUSIONS: In HIV-infected patients, the decrease of IL-17 and IFN-γ, and the increase of IL-4 in local and systemic level could influence the prevalence of OC. Salivary HBD-2 may also play an important role against OC.
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