Human papillomavirus 16 physical status detection in preinvasive and invasive cervical carcinoma by multiplex real-time polymerase chain reaction View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2007-02

AUTHORS

Ying Zheng, Zhilan Peng, Jiangyan Lou, He Wang

ABSTRACT

ObjectiveTo explore an ideal approach for detecting the physical status of HPV-16 in clinic use and to investigate the integrated HPV-16 in CINs and cervical cancer.MethodsMultiplex real-time PCR method was established to quantify the copy numbers of E2 and E6 genes (E2/E6) for analysis of the physical status of HPV-16 DNA and this assay was compared to Southern blot analysis. HPV-16-containing paraffin-embedded tissues including 49 CINs and 51 cervical squamous cancers were detected using the method.Results(1) The cutoff ratio of E2/E6 to distinguish pure episomal from mixed HPV-16, was 0.81 in the multiplex real-time PCR; (2) The agreement rate between multiplex real-time PCR and Southern blot was 81.5% (the Kappa statistic was 0.844, P<0.001); (3) HPV-16 DNA existed in an episomal form in 57.1% and mixed form in 42.9% of CIN I lesions; The concomitant form of HPV-16 (>70%) constituted the majority in CIN II and CIN III; HPV-16 DNA mostly integrated into the host chromosome (s) in squamous cervical cancers (68.6%); (4) The incidence of HPV-16 integration was increased with the degree of cervical lesions; (5) The frequency of pure integrated HPV-16 in stage II+III (88%) was significantly higher than that in stage I (33.3%).Conclusion(1) Mutiplex real-time PCR provides a rapid, sensitive and reliable method for clinic detection of the physical state of HPV-16 DNA; (2) The integration of the HPV-16 DNA is a very early and important event in the progression from preinvasive to invasive cervical cancer; (3) The pure integrated status of HPV-16 in cervical cancer may be associated with poor prognosis of cervical cancer, but further study will be needed to prove its prognostic significance. More... »

PAGES

72-79

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10330-006-0010-3

DOI

http://dx.doi.org/10.1007/s10330-006-0010-3

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1025552664


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