Abstract
Objectives: To investigate the prevalence of human papillomavirus (HPV), and HPV type 16 (HPV16) infection in cervical ectopy, and the presence of anti-HPV16 secretory IgA (sIgA) antibodies. Methods: DNA from patients with cervical ectopy ( n=218), HPV-associated lesions ( n=111), and controls without evidence of cervical ectopy or HPV infection ( n=93) were analyzed by PCR for the presence of HPV and HPV16. The presence of mucosal sIgA antibodies against HPV16 capsid antigens (VLP) was assayed in cervical mucus by ELISA. Results: Prevalence of HPV DNA was higher in cervical ectopy than in controls ( P=0.04; OR=2.06; 95% CI 0.99–4.33). HPV16 was 6.3 times more prevalent in cervical ectopy than in controls. Anti-HPV16 sIgA were detected more frequently in cervical ectopy patients than in controls ( P=0.0004). Conclusions: Cervical ectopy correlates with HPV infection. HPV16 is highly prevalent in cervical ectopy. sIgA antibodies against HPV16 capsids are generated in patients with cervical ectopy.
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