Journal
VIROLOGY
Volume 548, Issue -, Pages 174-181Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2020.07.004
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Funding
- National Institutes of Health [P20-GM103418, R01 CA227838]
- University of Kansas Cancer Center [CCSG P30CA168524]
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The incidence of head and neck squamous cell carcinomas (HNSCCs) is rising in developed countries. This is driven by an increase in HNSCCs caused by high-risk human papillomavirus (HPV) infections or HPV + HNSCCs. Compared to HNSCCs not caused by HPV (HPV- HNSCCs), HPV + HNSCCs are more responsive to therapy and associated with better oncologic outcomes. As a result, the HPV status of an HNSCC is an important determinant in medical management. One method to determine the HPV status of an HNSCC is increased expression of p16 caused by the HPV E7 oncogene. We identified novel expression changes in HPV + HNSCCs. A comparison of gene expression among HPV + and HPV- HNSCCs in The Cancer Genome Atlas demonstrated increased DNA repair gene expression in HPV + HNSCCs. Further, DNA repair gene expression correlated with HNSCC survival. Immunohistochemical analysis of a novel HNSCC microarray confirmed that DNA repair protein abundance is elevated in HPV + HNSCCs.
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