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DNA repair gene expression is increased in HPV positive head and neck squamous cell carcinomas.

ABSTRACT: 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.

SUBMITTER: Holcomb AJ 

PROVIDER: S-EPMC7460718 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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DNA repair gene expression is increased in HPV positive head and neck squamous cell carcinomas.

Holcomb Andrew J AJ   Brown Laura L   Tawfik Ossama O   Madan Rashna R   Shnayder Yelizaveta Y   Thomas Sufi Mary SM   Wallace Nicholas A NA  

Virology 20200722

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 i  ...[more]

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