Abstract
The prognostic significance of human papillomavirus (HPV) DNA and E6/E7 mRNA, the presence of specific types, and the physical state of HPV DNA, were studied in 202 cervical squamous cell carcinomas. Absence or non-detectable levels of high-risk (types 16, 18, 31, 33, 35, 45, 52 and 58) E6/E7 mRNA, using the real-time nucleic acid sequence based amplification (NASBA) assay, and absence of HPV high-risk/HPV 6, 26, 66, 69, 73 (all methods collectively) were associated with poor overall survival in univariate analysis (P = 0.04 and P = 0.03, respectively) and had independent prognostic value in multivariate analysis (P = 0.01 and P = 0.03, respectively) including FIGO stage and age. Based on the individual results of type-specific PCR and in situ hybridization (ISH), the presence of HPV DNA was not found to be a prognostic factor. Likewise, concerning the presence of specific HPV types and the HPV integration status (determined by ISH), no prognostic significance was found. Mutation analyses of the TP53 gene revealed mutations in 3 of the 6 HPV negative samples (50%).
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