title: Prevalence of human papillomavirus infection and genotype distribution determined by the cyclic-catcher melting temperature analysis in Korean medical checkup population.
abstract: Although cytology screening has reduced the incidence and mortality rate of cervical cancer significantly, its usefulness is limited to samples from the site of the lesion, resulting in its low sensitivity and unsuitability for use in medical checkups. The purpose of the present study was to evaluate the prevalence of HPV infection using genotype distribution and to analyze the correlation of the HPV DNA test results with cytological results. We also evaluated the benefits of quantitative information obtained from cyclic-catcher melting temperature analysis (CMTA) in screening for cervical cancer. We performed cyclic-CMTA using Anyplex™ II HPV28 Detection in combination with cervical cytology for 2,181 subjects. The following HPV positivity types were detected using cyclic-CMTA and HPV positivity was found to increase together with the severity of the cytology results: (1) For 419 HPV positive specimens, HPV DNA was detected in 18.1% of normal specimens, 78.3% of ASCUS, and all of LSIL and HSIL; (2) high-risk HPV DNAs were detected in 63.3% of normal (N=547), 65.9% of ASCUS (N=41), 76.9% of LSIL (N=13), and 88.9% of HSIL (N=9) among total detected HPV DNA regardless multiple detection; (3) multiple HPV genotypes were detected in 4.8% of normal specimens (N=2,146), 52.2% of ASCUS (N=23), 57.1% of LSIL (N=7), and 40.0% of HSIL (N=5). In addition, a high level of viral DNA was observed using cyclic-CMTA in all specimens beyond the LSIL stage according to cytology, while only 6% of specimens with normal cytology showed a correlation with viral quantitation by cyclic-CMTA. The combination of HPV genotyping with a quantitative assay and cytology will allow for a more accurate diagnosis of cervical cancer.
authors.affiliation: Department of Microbiology, College of Medicine, The Catholic University, Seoul, 137-701, Republic of Korea.
authors.forename: Yun-Jee
authors.initials: YJ
authors.lastname: Kim
authors.forename: Min-Jung
authors.initials: MJ
authors.lastname: Kwon
authors.forename: Hee-Yeon
authors.initials: HY
authors.lastname: Woo
authors.forename: Soon-Young
authors.initials: SY
authors.lastname: Paik
mesh_terms: D003584:Cytological Techniques / Q000379:methods; D005260:Female; D005838:Genotype; D006801:Humans; D007723:Korea / Q000453:epidemiology; D025202:Molecular Diagnostic Techniques / Q000379:methods; D027383:Papillomaviridae / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification*; D030361:Papillomavirus Infections / Q000453:epidemiology* / Q000821:virology*; D015995:Prevalence; D044366:Transition Temperature; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis* / Q000821:virology*; D014626:Vaginal Smears; D019562:Viral Load; D014773:Virology / Q000379:methods
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