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Objectives: To verify the prevalence of E6/E7 RNAm expression of HPV in patients with negative cervicovaginal cytology, ASC-US and LSIL; to correlate with negative anatomopathological exams and/or squamous intraepithelial neoplasy grade I (SIN 1) of the lower genital tract (LGT); to relate the RNAm expression with viral infection types; to assess the genotyping in single infections. Methods: Findings from 825 women submitted to E6/E7 RNAm survey and 422 women submitted to LGT biopsies were analyzed. Results: A larger percentage of E6/E7 in ASC-US and LSIL cytologies occurred. Negative results of RNAm expression were in accordance with negative cytologies and negative anatomopathological exam. In positive cases, the infection by a single HPV type was most prevalent, with the type 16 being the most common. Conclusions: the expression of mRNA was most prevalent in ASC-US and LSIL cytologies, comparing with the negative ones. The findings of SIN 1 biopsies were related to the positive expression of mRNA and negative cytologies; the negative expression was in agreement with negative anatomopathological exam. The infection by a HPV type was more frequent in cases of positive expression, the HPV type 16 being most frequently found. Patients with low grade intraepithelial lesion cytologies had a higher percentage of multiple infections.

open journal of obstetrics and gynecology

Expression of Messenger RNA of Oncoproteins E6 and E7 of Human Papilomavirus in Women with Negative Oncotic Cytologies, Epithelial Squamous Atypias of Undefined Significance and Low-Grade Intraepithelial Lesions