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| 1 | Influence of adriamycin on changes in Nanog, Oct-4, Sox2, ARID1 and Wnt5b expression in liver cancer stem cells显示文摘AIM:To determine the influence of Adriamycin(ADM)on the changes in Nanog,Oct4,Sox2,as well as,in ARID1 and Wnt5b expression in liver cancer stem cells.METHODS:The MHCC97-L and HCCLM3 liver cancer cell lines were selected as the cell models in this study,and were routinely cultured.The 50%lethal dose(LD50)in the cell lines was detected by the MTT assay.Expression changes in liver cancer stem cell related genes(Nanog,Oct-4,Sox2,ARID1,and Wnt5b)were detected by western blot following treatment with ADM(LD50).RESULTS:The LD50 of ADM in MHCC97-L cells was lower than that in HCCLM3 cells(0.4123±0.0236μmol/L vs 0.5259±0.0125μmol/L,P<0.05).Wnt5b and Nanog were expressed in both MHCC97-L and HCCLM3 cells,while only Sox2 was expressed in HCCLM3cells.However,neither ARID1A nor Oct4 was detected in these two cell lines.Genes,related to the stem cells,showed different expression in liver cancer cells with different metastatic potential following treatment with ADM(LD50).Wnt5b protein increased gradually within4 h of ADM(LD50)treatment,while Nanog decreased(P<0.05).After 12 h,Wnt5b decreased gradually,while Nanog increased steadily(P<0.05).In addition,only Sox2 was expressed in HCCLM3 cells with high metastatic potential following ADM(LD50)treatment.The expression of Sox2 increased gradually with ADM(LD50)in HCCLM3 cells(P<0.05).CONCLUSION:ADM increased the death rate of MHCC97-L and HCCLM3 cells,while the growth suppressive effect of ADM was higher in MHCC97-L cells than in HCCLM3 cells. | Ding Sun Lei Qin Yang Xu Jian-Xia Liu Li-Ping Tian Hai-Xin Qian | 2014 | World Journal of Gastroenterology2014，20，22： | 10 |
| 2 | 阿霉素对不同转移能力肝癌细胞及肝癌干细胞相关基因表达的影响显示文摘目的探讨阿霉素(adriamycin,ADM)对不同转移能力肝癌细胞及肝癌干细胞相关基因表达的影响。方法利用MTT法检测ADM对人肝癌细胞系MHCC97-L、HCCLM3的抑制作用,计算各自的半数致死浓度(median lethal dose,LD50);Western blot法检测ADM作用下人肝癌细胞系MHCC97-L、HCCLM3中干细胞基因Nanog、Oct-4、Sox2、ARID1A、Wnt5b的表达,并分析干细胞基因在两种细胞中表达变化的差异。结果 ADM浓度越高,对人肝癌细胞的抑制作用越明显,其对MHCC97-L和HCCLM3的半数致死浓度分别为0.4212μmol/L和0.5249μmol/L;随着ADM(LD50)作用时间的延长,MHCC97-L和HCCLM3中Wnt5b的表达水平先升高后降低,Nanog蛋白的表达先降低后升高,Sox2在HCCLM3中表达水平逐渐升高。Wnt5b和Nanog 4 h内在低转移能力肝癌细胞系MHCC97-L中的表达变化均值均小于其在高转移能力肝癌细胞系HCCLM3时的表达变化均值,差异有统计学意义(P<0.05)。结论 ADM可促进MHCC97-L和HCCLM3细胞的凋亡,且对MHCC97-L的作用强于HCCLM3;干细胞相关基因Wnt5b与肝癌细胞的恶性程度呈负相关;Nanog和Sox2均与肿瘤的转移密切相关,且Nanog和Sox2可能与肝癌耐药密切相关。 | 袁鹏 岳天华 肖艳华 朱梁军 李晟 陈宝安 王传伟 | 2015 | 肿瘤防治研究2015，42，12： | 2 |
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