Home Neoplasma 2022 Neoplasma Vol.69, No.5, p.1185–1197, 2022

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ISSN 0028-2685
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Neoplasma Vol.69, No.5, p.1185–1197, 2022

Title: EFEMP2 increases the invasion ability of cervical cancer cells by promoting EMT via the Raf/MEK/ERK signaling pathway
Author: Na Li, Guo-Xin Ji, Zi-Yan Yang

Abstract: EFEMP2 has been reported as a candidate oncogene. To investigate the role of EFEMP2 in cervical cancer cell proliferation and invasion, the mRNA and protein expressions of EFEMP2 in 5 different cervical cancer cell lines were detected. And then the effects of up- or down-regulation of EFEMP2 expression on the biological behavior of cervical cancer cells were further investigated by transfection experiments and cell function assays in vitro and in vivo. The results revealed that EFEMP2 was highly expressed in highly invasive Ca Ski cells and low expressed in less invasive HT-3 cells. When EFEMP2 was knocked down, the proliferation and invasion ability of cervical cancer cells were also reduced, accompanied by the decreased expression of MMP-1, MMP-13, MMP-3, and MMP-10, meanwhile, the EMT process was blocked and the Raf/MEK/ERK signaling pathway was inhibited. On the contrary, the upregulation of EFEMP2 could promote the proliferation and invasion of cervical cancer cells by inducing EMT and activating the Raf /MEK/ERK pathway. In conclusion, EFEMP2 could increase the invasion ability of cervical cancer cells by upregulating the expression of MMP-1, MMP-13, MMP-3, and MMP-10 and inducing the EMT process through the Raf/MEK/ERK pathway. EFEMP2 played a promoting role in the development of cervical cancer and provided a potential therapeutic target for inhibiting the invasion and metastasis of cancer cells and improving the prognosis of cervical cancer patients.

Keywords: EFEMP2; cervical cancer; invasion, EMT; MMPs; Raf/MEK/ERK signaling pathway
Published online: 25-Aug-2022
Year: 2022, Volume: 69, Issue: 5 Page From: 1185, Page To: 1197
Price: 27.30 €

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