European journal of obstetrics, gynecology, and reproductive biology · 2007
Local profile of cytokines and nitric oxide in patients with bacterial vaginosis and cervical intraepithelial neoplasia.
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Tavares-Murta Beatriz M, de Resende Andréia D, Cunha Fernando Q, Murta Eddie Fernando C
Аннотация
OBJECTIVE: To evaluate the local immune response in patients with bacterial vaginosis (BV) and cervical intraepithelial neoplasia (CIN), as assessed by cytokine and nitric oxide (NO) concentrations.
STUDY DESIGN: Patients attending for routine gynaecological examination were prospectively enrolled in groups: BV (n=25) diagnosed by clinical criteria, CIN graded I to III (n=35, 6 CIN I, 8 CIN II and 21 CIN III) by histological analysis, and controls (n=15) without clinical and cytological findings. Randomly selected patients within CIN group at grades II or III (n=15) were re-evaluated at 60 days after surgical treatment. Endocervical (EC) and vaginal secretion samples were collected by cytobrush and the levels of cytokines (ELISA) and NO metabolite (Griess reaction) were assayed.
RESULTS: NO was assessed in all subjects, and cytokines in all controls, 15 BV and 30 CIN patients. Interleukin-6 (IL-6), interleukin-8 (IL-8), interleukin-10 (IL-10) and nitrite levels were higher in EC than in vaginal secretions in BV and CIN groups. In CIN group, IL-8, IL-10 and nitrite concentrations were greater in EC and/or vaginal secretions than in BV or controls. Surgical treatment reduced IL-8 levels in EC and vaginal secretions.
CONCLUSION: A similar local immune profile was found in BV and CIN groups. The increased local production of IL-8, IL-10 and NO in CIN suggests a role for these mediators in the immune response against tumour or tumour development.
STUDY DESIGN: Patients attending for routine gynaecological examination were prospectively enrolled in groups: BV (n=25) diagnosed by clinical criteria, CIN graded I to III (n=35, 6 CIN I, 8 CIN II and 21 CIN III) by histological analysis, and controls (n=15) without clinical and cytological findings. Randomly selected patients within CIN group at grades II or III (n=15) were re-evaluated at 60 days after surgical treatment. Endocervical (EC) and vaginal secretion samples were collected by cytobrush and the levels of cytokines (ELISA) and NO metabolite (Griess reaction) were assayed.
RESULTS: NO was assessed in all subjects, and cytokines in all controls, 15 BV and 30 CIN patients. Interleukin-6 (IL-6), interleukin-8 (IL-8), interleukin-10 (IL-10) and nitrite levels were higher in EC than in vaginal secretions in BV and CIN groups. In CIN group, IL-8, IL-10 and nitrite concentrations were greater in EC and/or vaginal secretions than in BV or controls. Surgical treatment reduced IL-8 levels in EC and vaginal secretions.
CONCLUSION: A similar local immune profile was found in BV and CIN groups. The increased local production of IL-8, IL-10 and NO in CIN suggests a role for these mediators in the immune response against tumour or tumour development.