Variants of the long control region and the E6 oncogene in European human papillomavirus type 16 isolates: implications for cervical disease
2002

HPV16 Variants and Cervical Disease

Sample size: 45 publication Evidence: moderate

Author Information

Author(s): Kämmer C, Tommasino M, Syrjänen S, Delius H, Hebling U, Warthorst U, Pfister H, Zehbe I

Hypothesis

Do polymorphisms in the long control region and E6 oncogene of HPV16 affect the oncogenic potential of the virus in northern European women?

Conclusion

The study found that E6 variants, particularly L83V, are associated with higher-grade cervical lesions, while LCR polymorphisms do not significantly influence disease progression.

Supporting Evidence

  • Polymorphisms in the long control region were more frequent than in the E6 gene.
  • The E6 variant L83V was enriched in high-grade lesions and cancer.
  • Most LCR variants did not show a significant change in promoter activity.

Takeaway

This study looked at how different versions of a virus called HPV16 might affect whether women get cervical cancer. They found that one specific change in the virus is linked to more serious cases.

Methodology

The study sequenced the long control region and E6 gene of HPV16 from 45 samples and analyzed their promoter activity and correlation with disease status.

Participant Demographics

20 Swedish and 25 Finnish women, all HPV16-positive.

Statistical Information

P-Value

0.04

Statistical Significance

p=0.04

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600024

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