转录因子Sp1在肝细胞癌中的表达
目的通过研究转录因子Sp1在肝细胞癌（HCC）组织中的表达及转化生长因子（TGF）B1对肝癌细胞中Sp1mRNA转录表达的影响，探讨Sp1在HCC中表达的意义及其在细胞凋亡中的作用。方法免疫组织化学方法对51例HCC组织与10例良性病变而切除的正常肝组织中转录因子Sp1进行蛋白检测；体外培养肝癌细胞株HepG2，施加外源性TGFβ1，逆转录一聚合酶链反应方法检测HepG2细胞中Sp1mRNA的表达，并用流式细胞仪检测细胞受到干预后的凋亡情况。结果Sp1蛋白在HCC组织中的表达率明显高于正常肝组织（P〈0．01）；施加外源性TGFβ1与对照组相比HepG2细胞Sp1mRNA的表达显著降低（P〈0...
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| Published in | 临床肝胆病杂志 Vol. 29; no. 1; pp. 65 - 67 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
复旦大学附属上海市第五人民医院消化科,上海,200240%上海交通大学附属第六人民医院感染科,上海,200233
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-5256 |
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| Abstract | 目的通过研究转录因子Sp1在肝细胞癌（HCC）组织中的表达及转化生长因子（TGF）B1对肝癌细胞中Sp1mRNA转录表达的影响，探讨Sp1在HCC中表达的意义及其在细胞凋亡中的作用。方法免疫组织化学方法对51例HCC组织与10例良性病变而切除的正常肝组织中转录因子Sp1进行蛋白检测；体外培养肝癌细胞株HepG2，施加外源性TGFβ1，逆转录一聚合酶链反应方法检测HepG2细胞中Sp1mRNA的表达，并用流式细胞仪检测细胞受到干预后的凋亡情况。结果Sp1蛋白在HCC组织中的表达率明显高于正常肝组织（P〈0．01）；施加外源性TGFβ1与对照组相比HepG2细胞Sp1mRNA的表达显著降低（P〈0．01），且HepG2细胞凋亡率随着TGF[31浓度的增高而上升。结论Sp1蛋白在HCC中的过表达在肿瘤发生发展中起一定作用；TGFβ1诱导肝癌细胞凋亡，而Sp1基因的抑制在TGFβ1诱导肝癌细胞凋亡中可能起一定作用。 |
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| AbstractList | 目的通过研究转录因子Sp1在肝细胞癌（HCC）组织中的表达及转化生长因子（TGF）B1对肝癌细胞中Sp1mRNA转录表达的影响，探讨Sp1在HCC中表达的意义及其在细胞凋亡中的作用。方法免疫组织化学方法对51例HCC组织与10例良性病变而切除的正常肝组织中转录因子Sp1进行蛋白检测；体外培养肝癌细胞株HepG2，施加外源性TGFβ1，逆转录一聚合酶链反应方法检测HepG2细胞中Sp1mRNA的表达，并用流式细胞仪检测细胞受到干预后的凋亡情况。结果Sp1蛋白在HCC组织中的表达率明显高于正常肝组织（P〈0．01）；施加外源性TGFβ1与对照组相比HepG2细胞Sp1mRNA的表达显著降低（P〈0．01），且HepG2细胞凋亡率随着TGF[31浓度的增高而上升。结论Sp1蛋白在HCC中的过表达在肿瘤发生发展中起一定作用；TGFβ1诱导肝癌细胞凋亡，而Sp1基因的抑制在TGFβ1诱导肝癌细胞凋亡中可能起一定作用。 R735.7; 目的 通过研究转录因子Sp1在肝细胞癌(HCC)组织中的表达及转化生长因子(TGF) β1对肝癌细胞中Sp1 mRNA转录表达的影响,探讨Sp1在HCC中表达的意义及其在细胞凋亡中的作用.方法 免疫组织化学方法对51例HCC组织与10例良性病变而切除的正常肝组织中转录因子Sp1进行蛋白检测；体外培养肝癌细胞株HepG2,施加外源性TGFβ1,逆转录-聚合酶链反应方法检测HepG2细胞中Sp1 mRNA的表达,并用流式细胞仪检测细胞受到干预后的凋亡情况.结果 Sp1蛋白在HCC组织中的表达率明显高于正常肝组织(P＜0.01)；施加外源性TGFβ1与对照组相比HepG2细胞Sp1 mRNA的表达显著降低(P＜0.01),且HepG2细胞凋亡率随着TGFβ1浓度的增高而上升.结论 Sp1蛋白在HCC中的过表达在肿瘤发生发展中起一定作用；TGF31诱导肝癌细胞凋亡,而Sp1基因的抑制在TGFβ1诱导肝癌细胞凋亡中可能起一定作用. |
| Author | 冯洁 汤正好 余永胜 |
| AuthorAffiliation | 复旦大学附属上海市第五人民医院消化科,上海200240 上海交通大学附属第六人民医院感染科,上海200233 |
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| Author_FL | FENG Jie YU Yongsheng TANG Zhenghao |
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| Author_xml | – sequence: 1 fullname: 冯洁 汤正好 余永胜 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Expression of transcription factor Spl in hepatocellular carcinoma |
| DocumentTitle_FL | Expression of transcription factor Sp1 in hepatocellular carcinoma |
| EndPage | 67 |
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| Keywords | 肝肿瘤 Sp1转录因子 癌,肝细胞 转化生长因子β1 |
| Language | Chinese |
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| Notes | Objeaive To determine whether the transcription factor Spl is differentially expressed in human hepatocellular carcinoma （HCC） and to investigate the potential pro - apoptotic effect of transforming growth factor beta 1 （ TGFβ1 ） through Spl by using the HCC cell line HepG2. Methods The Spl expression patterns were detected by immunohistochemistry in tumors from 51 cases of HCC and 10 specimens of normal liver tissues. HepG2 cells in culture were stimulated by TGFβ1 and the change in Spl mRNA expression was detected by RT - PCR while the change in cell apoptosis rate was detected by flow cytometry. Statistical significance of changes were assessed by one -way ANOVA. Results The positive rate of Spl expression was significantly higher in HCC tissue than in normal liver tissues （P 〈 0. 01 ）. The level of Spl mRNA was significantly lower in HepG2 cells stimulated with TGFβ1 than in the control cells （ P 〈 0.01 ）, and the effect was TGFβ1 dose - dependent. The apoptosis rate of HepG2 ceils increased in cmTesponde |
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| PublicationTitle | 临床肝胆病杂志 |
| PublicationTitleAlternate | Chinese Journal of Clinical Hepatology |
| PublicationTitle_FL | Journal of Clinical Hepatology |
| PublicationYear | 2013 |
| Publisher | 复旦大学附属上海市第五人民医院消化科,上海,200240%上海交通大学附属第六人民医院感染科,上海,200233 |
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| Snippet | 目的通过研究转录因子Sp1在肝细胞癌（HCC）组织中的表达及转化生长因子（TGF）B1对肝癌细胞中Sp1mRNA转录表达的影响，探讨Sp1在HCC中表达的意义及其在细胞凋亡中的作用。方... R735.7; 目的 通过研究转录因子Sp1在肝细胞癌(HCC)组织中的表达及转化生长因子(TGF) β1对肝癌细胞中Sp1 mRNA转录表达的影响,探讨Sp1在HCC中表达的意义及其在细胞凋亡中的... |
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| SubjectTerms | 癌 肝细胞 肝肿瘤 转化生长因子β1,Sp1转录因子 |
| Title | 转录因子Sp1在肝细胞癌中的表达 |
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