Mate pair sequencing of oropharyngeal squamous cell carcinomas reveals that HPV integration occurs much less frequently than in cervical cancer

Ge Gao, Sarah H. Johnson, Jan Kasperbauer, Bruce W. Eckloff, Nicole M. Tombers, George Vasmatzis, David I Smith

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Background: Human papillomavirus (HPV) is now recognized to be very important in the pathogenesis of oropharyngeal squamous cell carcinoma (OPSCC). It is not clear yet whether the physical status of HPV in OPSCC is similar to what is found in cervical cancer. Study design: We performed genome-wide mate pair next generation sequencing from 20 OPSCCs patients, thirteen of which were positive for HPV16 to determine the HPV physical status and its relationship to HPV oncogene E6 and E7 expression. Results: This high throughput approach detected HPV integration events and also determined the bridged HPV coverage in each sample. Two of the HPV16-positive OPSCCs had HPV integration and one of the HPV16-negative OPSCCs had an HPV26 integration. We mapped the site of integration in the HPV genome in all integration events and the integrations were located at E1, E5, E6 and L2 region respectively. One HPV positive OPSCC had two integration events but also had a very high bridged HPV coverage, while the other two just had HPV integrated into the human genome. Conclusion: Our results are thus different from what is routinely observed in cervical cancer where HPV is almost always integrated into the human genome with loss of episomal HPV sequences. Thus more investigation should be carried out to study how episomal HPV alone can contribute to the development of most OPSCCs.

Original languageEnglish (US)
Pages (from-to)195-200
Number of pages6
JournalJournal of Clinical Virology
Volume59
Issue number3
DOIs
StatePublished - Mar 2014

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Uterine Cervical Neoplasms
Squamous Cell Carcinoma
Human Genome
Oncogenes
Genome

Keywords

  • HPV integration
  • Mate pair sequencing
  • OPSCC

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Mate pair sequencing of oropharyngeal squamous cell carcinomas reveals that HPV integration occurs much less frequently than in cervical cancer. / Gao, Ge; Johnson, Sarah H.; Kasperbauer, Jan; Eckloff, Bruce W.; Tombers, Nicole M.; Vasmatzis, George; Smith, David I.

In: Journal of Clinical Virology, Vol. 59, No. 3, 03.2014, p. 195-200.

Research output: Contribution to journalArticle

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