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Increased Nanog Expression Promotes Tumor Development and Cisplatin Resistance in Human Esophageal Cancer Cells

机译:增加的Nanog表达促进人食管癌细胞的肿瘤发展和顺铂耐药性。

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biBackground/Aims /i/bNanog plays a key role in stem cell self-renewal and pluripotency differentiation in embryonic stem cells ( ESCs). Recently, some studies reported that abnormal expression of Nanog could be detected in several tumors, indicating that Nanog might be related to tumor development. However, studies on the correlation between Nanog expression and esophageal cancer are sparse. biMethods /i/bIn this study, we established two esophageal cancer cell lines 9706-Nanog and 9706-shNanog which stably expressed Nanog and Nanog-short-hairpin RNA (shRNA) genes. biResults /i/bWe found that Nanog expression could promote the proliferation and invasiveness of the cancer cells, and inhibit the apoptosis. We also treated 9706-Nanog, EC9706 and 9706-shNanog cell lines with cisplatin and evaluated the drug sensitivity of the three cell lines. We found that the sensitivity of cisplatin was decreased with increased expression of Nanog. The expression of MDR-1 was also increased in 9706Nanog cells. biConclusions /i/bNanog may play an important role in human esophageal cancer development, and could be used as a therapeutic target in esophageal cancer treatment.
机译:背景/目标 Nanog在胚胎干细胞(ESC)的干细胞自我更新和多能性分化中起关键作用。近来,一些研究报道,可以在几种肿瘤中检测到Nanog的异常表达,这表明Nanog可能与肿瘤的发展有关。然而,关于Nanog表达与食道癌之间的相关性的研究很少。 方法 在这项研究中,我们建立了两个食管癌细胞系9706-Nanog和9706-shNanog,它们能稳定表达Nanog和Nanog-short-hairpin RNA(shRNA)基因。 结果 我们发现Nanog表达可以促进癌细胞的增殖和侵袭,并抑制细胞凋亡。我们还用顺铂处理了9706-Nanog,EC9706和9706-shNanog细胞系,并评估了这三种细胞系的药物敏感性。我们发现顺铂的敏感性随着Nanog表达的增加而降低。在9706Nanog细胞中,MDR-1的表达也增加了。 结论 Nanog可能在人类食道癌的发展中起重要作用,并且可以作为食道癌治疗的靶标。

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