Abstract:
BACKGROUND:Human papillomavirus (HPV) testing in oropharyngeal squamous cell carcinoma (OPSCC) is now advocated. Demonstration of transcriptionally active high-risk HPV (HR-HPV) in fresh tumour tissue is considered to be the analytical 'gold standard'. Clinical testing has focused on formalin-fixed paraffin-embedded (FFPE) tissue at the expense of sensitivity and specificity. Recently, a novel RNA in situ hybridisation test (RNAscope) has been developed for the detection of HR-HPV in FFPE tissue; however, validation against the 'gold standard' has not been reported. METHODS:A tissue microarray comprising FFPE cores from 79 OPSCC was tested using HR-HPV RNAscope. Analytical accuracy and prognostic capacity were established by comparison with the reference test; qRT-PCR for HR-HPV on matched fresh-frozen samples. RESULTS:High-risk HPV RNAscope had a sensitivity and specificity of 97 and 93%, respectively, against the reference test. Kaplan-Meier estimates of disease-specific survival (DSS, P=0.001) and overall survival (OS, P<0.001) by RNAscope were similar to the reference test (DSS, P=0.003, OS, P<0.001) and at least, not inferior to p16 immunohistochemistry +/- HR-HPV DNA-based tests. CONCLUSION:HR-HPV RNAscope demonstrates excellent analytical and prognostic performance against the 'gold standard'. These data suggest that the test could be developed to provide the 'clinical standard' for assigning a diagnosis of HPV-related OPSCC.
journal_name
Br J Cancerjournal_title
British journal of cancerauthors
Schache AG,Liloglou T,Risk JM,Jones TM,Ma XJ,Wang H,Bui S,Luo Y,Sloan P,Shaw RJ,Robinson Mdoi
10.1038/bjc.2013.63subject
Has Abstractpub_date
2013-04-02 00:00:00pages
1332-9issue
6eissn
0007-0920issn
1532-1827pii
bjc201363journal_volume
108pub_type
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doi:10.1038/bjc.1996.505
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journal_title:British journal of cancer
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