Anti-tumor effects of Mfn2 in gastric cancer.

Anti-tumor effects of Mfn2 in gastric cancer.
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Mfn2 在胃癌中的抗肿瘤作用

DOI:
10.3390/ijms140713005
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发表时间:
2013-06-24
影响因子:
5.6
通讯作者:
Yu JR
Yu JR
中科院分区:
生物学2区
文献类型:
--
作者:
Zhang GE;Jin HL;Lin XK;Chen C;Liu XS;Zhang Q;Yu JR

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线粒体融合素-2(Mfn 2)是一种参与线粒体融合的线粒体外膜蛋白。它的突变会导致Charcot-Marie-Tooth病。Mfn 2在癌症研究中的最新研究不包括胃癌。我们证实Mfn 2在肿瘤组织中的表达低于正常胃粘膜组织,并且与肿瘤大小呈负相关,表明Mfn 2具有抗肿瘤作用。体外实验表明,Mfn 2过表达可抑制胃癌细胞的增殖和集落形成,通过下调MMP-2和MMP-9的表达,减弱癌细胞的侵袭和迁移能力,使细胞周期停止,诱导细胞凋亡。Western blotting结果提示P21和PI 3 K/Akt信号通路可能参与了细胞凋亡的调控。因此,Mfn 2是一个潜在的抗肿瘤基因,也是治疗胃癌的潜在靶点。调控Mfn 2的表达可能延缓胃癌的进展。
Mitofusin-2 (Mfn2) is a mitochondrial outer membrane protein involved in mitochondrial fusion. Its mutation can cause Charcot-Marie-Tooth disease. Recent studies of Mfn2 in cancer research have not included gastric cancer. We confirmed that Mfn2 expression was lower in tumor tissue than in normal gastric mucosal tissue and that it was negatively correlated with tumor size, indicating an anti-tumor role for Mfn2. In vitro experiments showed that Mfn2 overexpression suppressed gastric cancer cell proliferation and colony formation, weakened the invasion and migratory ability of cancer cells by downregulating MMP-2 and MMP-9, halted the cell cycle and induced apoptosis. Western blotting indicated the likely involvement of P21 and PI3K/Akt signaling. Therefore, Mfn2 is a potential anti-tumor gene and a potential therapeutic target for treating gastric cancer. The progress of gastric cancer may be delayed by controlling Mfn2 expression.
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