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首页> 外文期刊>Toxicology and Applied Pharmacology >Gallic acid inhibits gastric cancer cells metastasis and invasive growth via increased expression of RhoB, downregulation of AKT/small GTPase signals and inhibition of NF-κB activity
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Gallic acid inhibits gastric cancer cells metastasis and invasive growth via increased expression of RhoB, downregulation of AKT/small GTPase signals and inhibition of NF-κB activity

机译:没食子酸通过增加RhoB的表达,下调AKT /小GTPase信号和抑制NF-κB活性来抑制胃癌细胞的转移和侵袭性生长。

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Our previous study demonstrated the therapeutic potential of gallic acid (GA) for controlling tumor metastasis through its inhibitory effect on the motility of AGS cells. A noteworthy finding in our previous experiment was increased RhoB expression in GA-treated cells. The aim of this study was to evaluate the role of RhoB expression on the inhibitory effects of GA on AGS cells. By applying the transfection of RhoB siRNA into AGS cells and an animal model, we tested the effect of GA on inhibition of tumor growth and RhoB expression. The results confirmed that RhoB-siRNA transfection induced GA to inhibit AGS cells' invasive growth involving blocking the AKT/small GTPase signals pathway and inhibition of NF-κB activity. Finally, we evaluated the effect of GA on AGS cell metastasis by colonization of tumor cells in nude mice. It showed GA inhibited tumor cells growth via the expression of RhoB. These data support the inhibitory effect of GA which was shown to inhibit gastric cancer cell metastasis and invasive growth via increased expression of RhoB, downregulation of AKT/small GTPase signals and inhibition of NF-κB activity. Thus, GA might be a potential agent in treating gastric cancer.
机译:我们先前的研究证明了没食子酸(GA)通过抑制AGS细胞运动性来控制肿瘤转移的治疗潜力。在我们先前的实验中值得注意的发现是GA处理的细胞中RhoB表达增加。这项研究的目的是评估RhoB表达对GA抑制AGS细胞的作用。通过将RhoB siRNA转染到AGS细胞和动物模型中,我们测试了GA对抑制肿瘤生长和RhoB表达的影响。结果证实,RhoB-siRNA转染诱导GA抑制AGS细胞的侵袭性生长,包括阻断AKT /小GTPase信号通路和抑制NF-κB活性。最后,我们通过裸鼠中肿瘤细胞的定殖评估了GA对AGS细胞转移的影响。它表明GA通过RhoB的表达抑制肿瘤细胞的生长。这些数据支持GA的抑制作用,该抑制作用通过增加RhoB的表达,下调AKT /小GTPase信号和抑制NF-κB活性来抑制胃癌细胞的转移和侵袭性生长。因此,GA可能是治疗胃癌的潜在药物。

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