Objective: To aim of this systematic review was to explore the relationship between Human papillomavirus (HPV) and epithelial-mesenchymal transition (EMT) related to the prognosis of oropharyngeal squamous cell carcinoma (OPSCC).

Design: For this systematic review, searches were performed in PubMed, Web of Science, Scopus, Science Direct, and Cochrane, and a random-effects model was used for meta-analysis. The presence of EMT was confirmed by the loss of E-cadherin immunoexpression and overexpression of vimentin.

Results: In summary, EMT-related proteins were expressed regardless of HPV status; however, overall survival was better in HPV-positive OPSCC cases, with a 5.88 times lower death risk compared to HPV-negative patients (OR=0.17; 95%CI=0.10-0.30). Likewise, the maintenance of E-cadherin in OPSCC was associated with an 11.11 times lower risk of death due to the disease (OR=0.09; 95%CI=0.01-0.88).

Conclusions: More advanced clinical stages (III/IV) and the presence of lymph node metastases (N1-3) were common in OPSCC but were not significantly associated with HPV status.

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http://dx.doi.org/10.1016/j.archoralbio.2021.105267DOI Listing

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