Abstract
We focused on the expression of Tropomyosin 1 (TPM1) in oral squamous cell carcinoma (OSCC) on the basis of proteomic differential display analysis data. TPM1 is an actin binding and microfilament-associated protein, which is thought to affect the tumor behavior of various malignancies. In this study, we examined the role of TPM1 in proliferation, invasion and metastasis of OSCC cells in vitro as we tried to understand its usefulness as a potential biomarker for OSCC. Human OSCC cell lines were transfected by TPM1-siRNA. MTT assay, cell migration assay and wound healing assay were carried out to understand the characteristics of the TPM1-siRNA-transfected cells. Our data showed that suppression of TPM1 increased the proliferative ability, wound healing ability, and migratory ability of OSCC cells. These findings suggest that low expression of TPM1 could contribute to cancer cell invasion and metastasis in OSCC patients, and that TPM1 may have potential as a useful biomarker for OSCC. Availability of data and materialsAll data generated or analyzed during the present study are included in this published article.
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