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Sonic Hedgehog Pathway Contributes to Gastric Cancer Cell Growth and Proliferation

机译:声波刺猬通路有助于胃癌细胞的生长和增殖

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The Sonic Hedgehog (Shh) signaling pathway is commonly activated in gastrointestinal cancer. However, our understanding of the Shh pathway in gastric cancer remains limited. Here we examined the effects of cyclopamine, a specific inhibitor of the Shh signaling pathway, on cell growth and proliferation in gastric primary cancer cells GAM-016 and the MKN-45 cell line. The results showed that the Shh signaling molecules SHH, PTCH, SMO, GLI1, and GLI2 were intact and activated in both types of cells. Furthermore, we observed that cyclopamine inhibited gastric cancer cell proliferation through cell cycle arrest and apoptosis. An in vivo study using NOD/SCID mouse xenografts demonstrated that cyclopamine significantly prevented tumor growth and development. Our study indicated that Shh signaling pathway could promote gastric cancer cell proliferation and tumor development, and blocking this pathway may be a potential strategy in gastric cancer treatment.
机译:Sonic Hedgehog(Shh)信号传导途径在胃肠道癌症中通常被激活。但是,我们对胃癌Shh途径的了解仍然有限。在这里,我们检查了环巴胺(Shh信号传导途径的特异性抑制剂)对胃原发性癌细胞GAM-016和MKN-45细胞系中细胞生长和增殖的影响。结果表明,Shh信号分子SHH,PTCH,SMO,GLI1和GLI2在两种类型的细胞中均完整并被激活。此外,我们观察到环巴胺通过细胞周期停滞和凋亡抑制胃癌细胞的增殖。使用NOD / SCID小鼠异种移植物进行的体内研究表明,环巴胺显着阻止了肿瘤的生长和发育。我们的研究表明,Shh信号通路可以促进胃癌细胞的增殖和肿瘤的发展,而阻断该通路可能是胃癌治疗的潜在策略。

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