Abstract:
:GOAL: To investigate the HPV prevalence and characterize the expression of potential molecular surrogate markers of HPV infection in esophageal squamous cell carcinoma. MATERIALS AND METHODS: The prevalence of HPV in individuals with and without esophageal cancer (EC) was determined by using multiplex PCR; p16 and p53 protein levels were assessed by immunohistochemistry (IHC). RESULTS: High-risk HPV (hr-HPV) was found in the same frequency (13.8%) in esophageal squamous cell carcinoma (ESCC) and in healthy individuals. The p53 expression was positive in 67.5% of tumor tissue, 20.0% of adjacent non-tumoral tissue and 1.8% of normal esophageal tissue. p16 was positive in 11.6% of esophageal cancer cases and 4.7% of adjacent non-tumoral tissue. p16 was undetectable among control group samples. p53 and p16 levels were not significantly associated with the HPV status. CONCLUSIONS: These results suggest that hr-HPV types are not associated with the development of ESCC and that p53 and p16 protein expression have no relationship with HPV infection in normal or cancerous esophagus.
journal_name
J Cancerjournal_title
Journal of Cancerauthors
Pastrez PRA,Mariano VS,da Costa AM,Silva EM,Scapulatempo-Neto C,Guimarães DP,Fava G,Neto SAZ,Nunes EM,Sichero L,Villa LL,Syrjanen KJ,Longatto-Filho Adoi
10.7150/jca.17080subject
Has Abstractpub_date
2017-04-09 00:00:00pages
1062-1070issue
6issn
1837-9664pii
jcav08p1062journal_volume
8pub_type
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