The FTEN, having a dual specificity phosphatase activity, is the first tumor suppressor gene that possess phosphatase activity hitherto. Many researches have suggested that FTEN play a major role in the tumorgenesis. In clinical, the head and neck squamous cell carcinoma(HNSCC) is one of the most common ma-lignant tumors. In this review, advances in the research of FTEN and the relationship between the PTEN and HNSCC are discussed.
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