PMID: 32509064Jun 9, 2020Paper

Myocyte-specific enhancer factor 2D promotes tumorigenesis and progression in tongue squamous cell carcinoma

International Journal of Clinical and Experimental Pathology
Yang LiuLu Yue

Abstract

Tongue squamous cell carcinoma (TSCC) ranks as one of the most common cancers worldwide and has a poor prognosis. Myocyte-specific enhancer factor 2 (MEF2D) has recently been considered as a novel factor involved in cancer development. In the present study, the function and underlying mechanism of MEF2D in TSCC were investigated. The levels of MEF2D mRNA and protein were determined in human TSCC samples by RT-qPCR and western blot, respectively. The interaction between MEF2D expression and clinicopathologic features was evaluated by IHC and analysis of clinical information. MEF2D-mediated effects on proliferation, migration, and invasion were explored in TSCC cells after transfection with MEF2D-siRNA. The results showed higher expression of MEF2D at both the mRNA and protein levels in TSCC carcinoma tissues than in paracarcinoma tissues. Furthermore, high expression of MEF2D was positively correlated with tumor differentiation and lymphatic metastasis. MEF2D knocked down TSCCA cells also had reduced proliferative, migratory, and invasive abilities compared to those of control cells. Together, these data confirmed that knockdown of MEF2D might suppress the growth and metastasis of TSCC, which further indicated that MEF2D might s...Continue Reading

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