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Dynamics of cellular factors of innate immunity and antioxidant protection in the patients with chronic recurrent vulvovaginal candidosis upon exposure to cavitated physiological solution

Dysfunction of colonization resistance factors at the mucous membranes of genitourinary system during adhesion of Candida fungi is a common pathogenic situation leading to impairment of the mucous membrane regeneration, unsuccessful attempts at in vitro fertilization (IVF), increased risk of complications during gestation. The aim of present study was to substantiate the opportunity of complex therapy for chronic vulvovaginal candidiasis using cavitated saline and usage suppositories with alpha-2b human recombinant interferon a (Viferon LLC, Russia). The study involved 90 women at the age of25.45±7.16 years, with clinically and laboratory confirmed recurrencies of chronic vulvovaginal candidiasis observed, on average, 5.55±0.45 times. Group 1 consisted of 30 women with C. albicans infection of urogenital tract, at the mean age of 27.11±1.52 years, who received therapy with fluconazole (150 mg once every 7 days). Group 2 consisted of 30 women with C. albicans infection of mucous membranes, mean age 27.31±1.99 years, treated with Fluconazole (150 mg 1 time in 7 days, and 5-min. irrigation of vagina with ultrasonicated saline solution, 7 days; Low-intensity ultrasound exposure was performed using the Fotek AK100-25 hardware complex, ultrasonic vibration frequency of 25 kHz (Yekaterinburg, Russia). Group 3 consisted of 30 women whose treatment included Fluconazole (150 mg once every 6 days), irrigation of mucous membranes with ultrasonicated cavitated solution and subsequent administration of suppositories containing Viferon® 500,000 IU (1 suppository daily for 7 days). Biochemical studies included determination of isopropanol- and heptane-soluble primary, secondary end products of lipid peroxidation. Activity of the antioxidant system was studied by determination of superoxide dismutase, glutathione peroxidase, ceruloplasmin, vitamin C. Qualitative and quantitative characteristics of neutrophilic granulocytes from vaginal secretions were evaluated by testing phagocytic activity, reduction of nitroblue tetrazolium compound to diformazan. The studies of IL-8, TNFα, IL-2, and IL-10 cytokines were carried out in cell-free supernates of vaginal secretions by ELISA test systems (LLC “Vector Best”, Novosibirsk). Results: upon therapeutic exposure to low-frequency ultrasonic cavitation combined with antioxidant drug, we have observed a decreased local concentration of pro-inflammatory cytokines, the balance of lipid peroxidationantioxidant defense system was restored, and functional metabolic status of the phagocytes in vaginal secretions was normalized.