Genomewide gene expression profiles of HPV-positive and HPV-negative oropharyngeal cancer: potential implications for treatment choices.
Genomewide gene expression profiles of HPV-positive and HPV-negative oropharyngeal cancer: potential implications for treatment choices.
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DOI:
10.1001/archoto.2008.540
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发表时间:
2009-02
影响因子:
--
通讯作者:
Chen, Chu
中科院分区:
文献类型:
--
作者:
Lohavanichbutr, Pawadee;Houck, John;Fan, Wenhong;Yueh, Bevan;Mendez, Eduardo;Futran, Neal;Doody, David R.;Upton, Melissa P.;Farwell, D. Gregory;Schwartz, Stephen M.;Zhao, Lue Ping;Chen, Chu
To study the difference in gene expression between human papillomavirus (HPV)-positive and HPV-negative oral squamous cell carcinoma (OSCC). We used Affymetrix U133 plus 2.0 arrays to examine gene expression profiles of OSCC and normal oral tissue. HPV DNA was detected using PCR followed by the Roche Linear Array HPV Genotyping Test, and the differentially expressed genes were analyzed to examine their potential biological roles using the Ingenuity Pathway Analysis Software (IPA 5.0). Tumor tissue from 119 primary OSCC patients and normal oral tissue from 35 patients without cancer, all of whom were treated at three University of Washington-affiliated medical centers. HPV DNA was found in 41 of 119 (34.5%) tumors and 2 of 35 (5.7%) normal tissue samples, with 39 of 43 HPV being HPV type 16; there was a higher prevalence of HPV DNA in oropharyngeal cancer (23 of 31) than in oral cavity cancer (18 of 88). We found no significant difference in gene expression between HPV-positive and HPV-negative oral cavity cancer but found 446 probe sets (347 known genes) differentially expressed between HPV-positive and HPV-negative oropharyngeal cancer. The most prominent functions of these genes are DNA replication, DNA repair, and cell cycle. Some genes differentially expressed between HPV-positive and HPV-negative oropharyngeal cancer (e.g., TYMS, STMN1, CCND1 and RBBP4) are involved in chemotherapy or radiation sensitivity. These results suggest that differences in the biology of HPV-positive and HPV-negative oropharyngeal cancer may have implications for the management of patients with these different tumors.
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