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The impact of Metastasis Suppressor-1, MTSS1, on oesophageal squamous cell carcinoma and its clinical significance.

Journal of translational medicine (2011-06-24)
Fei Xie, Lin Ye, Jinfeng Chen, Nan Wu, Zhiqian Zhang, Yue Yang, Lijian Zhang, Wen G Jiang
ABSTRACT

Metastasis suppressor-1 (MTSS1) has been proposed to function as a cytoskeletal protein with a role in cancer metastasis. Recent studies have demonstrated the clinical significance of MTSS1 in certain type of cancers, yet the clinical relevance of MTSS1 in oesophageal squamous cell carcinoma (ESCC) has not been reported. In this study, we assessed the expression levels of MTSS1 in tumours and its matched adjacent non-tumour tissues obtained from 105 ESCC patients. We also used ESCC cells with differing MTSS1 expression and assessed the influence of MTSS1 on ESCC cells. Down-regulation of MTSS1 expression was observed both in oesophageal tumour tissues and ESCC cancer cell lines. We also reported that MTSS1 expression was associated with tumour grade (p = 0.024), lymph node metastasis (p = 0.010) and overall survival (p = 0.035). Patients with high levels of MTSS1 transcripts had a favorable prognosis in comparison with those who had reduced or absent expression levels. Using over-expression and knockdown approach, we created sublines from ESCC cells and further demonstrated that MTSS1 expression in ESCC cells significantly influenced the aggressiveness of the oesophageal cancer cells, by reducing their cellular migration and in vitro invasiveness. MTSS1 serves as a potential prognostic indicator in human ESCC and may be an important target for cancer therapy.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
REDTaq® ReadyMix PCR Reaction Mix, Complete PCR reagent with standard Taq DNA Polymerase and inert dye
Sigma-Aldrich
ReadyMix Taq PCR Reaction Mix, with MgCl2