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-  2019 

二甲双胍对人食管鳞癌侧群细胞的作用及机制

DOI: 10.3971/j.issn.1000-8578.2019.18.1200

Keywords: 食管鳞癌,二甲双胍,SP细胞,干性,Effect of Postoperative Chemotherapy on Prognosis of Postoperative Lymph Nodepositive Thoracic Esophageal Squamous Cell Carcinoma Patients,Significance of E47 and LOXL2 Expressions in Esophageal Squamous Cell Carcinoma Tissues,Low Glucose Enhances Sensitivity of Cancer to Metformin,Effect of miRNA-302b on “Stemness” Maintaining of Colon Cancer HT-29 Cells,Sensitivity of Esophageal Squamous Carcinoma Cell Line KYSE150 to Cisplatin Can Be Improved by RNA-interfered Expression of IQGAP1,Characteristics and Influence Factors of Lymph Node Metastasis and Their Effect on Survival of Esophageal Squamous Cell Carcinoma Patients,Effects of Metformin on ALDH1 Expression in Pancreatic Cancer and Pancreatic Cancer Stem Cells,Expression and Clinical Significance of Stem Cells Gene Lgr5 in Esophageal Squamous Cell Carcinoma Tissues,Effect of GANT61 on Apoptosis of Esophageal Squamous Carcinoma Cells and Its Mechanism,Relationship of Secreted Protein Acidic and Rich in Cysteine Protein Expression with Prognosis of Postoperative Patients with Esophageal Squamous Cell Carcinoma,IDO Expression in Esophageal Squamous Cell Carcinoma and Its Relationship with Tumor Angiogenesis,Relationship Between High Expression of Ep-CAM Protein and Clinicopathological Features of Esophageal Squamous Cell Carcinoma Tissues,Consistency of Pathological and CT Scanning Characteristics of Subcarinal Lymph Node Metastasis from Middle and Lower Segment of Thoracic Esophageal Squamous Carcinoma,Effects of High Glucose and High Insulin on Adenosine Monophosphate-activated Protein Kinase Expression in Breast Cancer Cells MCF-7 and Metformin Intervention,MYH9 Protein Partly Distributes in Mitochondria of Esophageal Carcinoma Cell and Binds with SLP-2

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Abstract:

摘要 目的 探讨二甲双胍(metformin, Metf)对人食管鳞癌侧群(side population, SP)细胞的作用及机制。方法 通过流式细胞仪检测食管鳞癌细胞系SP比例及分选SP细胞,CCK-8法、平板克隆及成球实验检测Metf对SP细胞体外增殖的影响,Western blot法检测Metf对SP细胞相关基因蛋白表达的影响。结果 本实验中的9种食管鳞癌细胞系的SP比例在0.2%~2%左右。Metf能够降低KYSE 150 SP比例、明显抑制SP细胞的细胞增殖、克隆形成数和成球生长数,其抑制程度与Metf浓度及给药时间呈显著正相关性,差异有统计学意义(P<0.01)。此外,Metf能不同程度地降低SP细胞中相关“干性”基因SOX2与OCT4的表达。结论 Metf 能抑制食管癌细胞中SP细胞,可能为食管癌治疗与预防提供新的途径

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