Peg10基因在黏着斑激酶介导的肝癌细胞耐药中的作用
目的初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制。方法采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对LO2细胞、ADR耐药的人肝癌细胞BEL-7404/ADR(7404/ADR)和Peg10基因沉默的siRNA-BEL-7404/ADR(siRNA-7404/ADR)细胞增殖的影响;建立7404/ADR和siRNA-7404/ADR裸鼠荷瘤模型,48只裸鼠随机分为6组,每组8只,A、C、D组注射7404/ADR细胞,B、E、F组注射siRNA-7404/ADR细胞;A、B组尾静脉注射生理盐水,C、E组给予5-Fu,D、F组给予尾静...
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| Published in | 临床肝胆病杂志 Vol. 31; no. 2; pp. 248 - 252 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
湖北理工学院附属黄石中心医院消化内科,湖北黄石,435000
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-5256 |
| DOI | 10.3969/j.issn.1001-5256.2015.02.025 |
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| Abstract | 目的初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制。方法采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对LO2细胞、ADR耐药的人肝癌细胞BEL-7404/ADR(7404/ADR)和Peg10基因沉默的siRNA-BEL-7404/ADR(siRNA-7404/ADR)细胞增殖的影响;建立7404/ADR和siRNA-7404/ADR裸鼠荷瘤模型,48只裸鼠随机分为6组,每组8只,A、C、D组注射7404/ADR细胞,B、E、F组注射siRNA-7404/ADR细胞;A、B组尾静脉注射生理盐水,C、E组给予5-Fu,D、F组给予尾静脉注射ADR,测量瘤块体积,RT-PCR检测Peg10基因的表达,Western Blot法检测PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达。两组间比较采用t检验,多组间比较采用单因素方差分析。结果 ADR和5-Fu对siRNA-7404/ADR 24 h的IC50值均较7404/ADR的降低,差异均具有统计学意义(t值分别为7.641,7.560,P值均〈0.01)。B、C、D组肿瘤体积较A组小,差异均有统计学意义(P值均〈0.05),E、F组肿瘤体积较B组小,差异均具有统计学意义(P值均〈0.01);E组与C组比较,F组与D组的肿瘤体积差异亦均有统计学意义(P值均〈0.05)。B、E、F组Peg10的mRNA极少表达,C、D组Peg10的mRNA表达较A组有所降低。B组PEG10蛋白极少表达,与A组比较,差异具有统计学意义(P〈0.01),其pFAK、p-JNK、p-ERK和p38MAPK蛋白表达与A组比较,差异均有统计学意义(P值均〈0.05)。C、D组PEG10、p-FAK、pJNK、p-ERK和p38MAPK蛋白的表达较A组均降低,差异均有统计学意义(P值均〈0.05)。E、F组p-FAK、p-JNK、p-ERK和p38MAPK蛋白表达与B组比较,差异均有统计学意义(P值均〈0.01),而C组与E组、D组与F组相比,PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达差异亦均有统计学意义(P值均〈0.01)。结论 Peg10基因失活后可增加ADR耐药的BEL-7404细胞株对5-Fu和ADR的敏感性,其作用机制可能与其下调p-FAK、p-JNK、p-ERK和p38MA |
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| AbstractList | R735.7; 目的 初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制.方法 采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对L02细胞、ADR耐药的人肝癌细胞BEL-7404/ADR(7404/ADR)和Peg10基因沉默的siRNA-BEL-7404/ADR(siRNA-7404/ADR)细胞增殖的影响;建立7404/ADR和siRNA-7404/ADR裸鼠荷瘤模型,48只裸鼠随机分为6组,每组8只,A、C、D组注射7404/ADR细胞,B、E、F组注射siRNA-7404/ADR细胞;A、B组尾静脉注射生理盐水,C、E组给予5-Fu,D、F组给予尾静脉注射ADR,测量瘤块体积,RT-PCR检测Peg10基因的表达,Western Blot法检测PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达.两组间比较采用t检验,多组间比较采用单因素方差分析.结果 ADR和5-Fu对siRNA-7404/ADR 24 h的IC50值均较7404/ADR的降低,差异均具有统计学意义(t值分别为7.641,7.560,P值均<0.01).B、C、D组肿瘤体积较A组小,差异均有统计学意义(P值均<0.05),E、F组肿瘤体积较B组小,差异均具有统计学意义(P值均<0.01);E组与C组比较,F组与D组的肿瘤体积差异亦均有统计学意义(P值均<0.05).B、E、F组Peg10的mRNA极少表达,C、D组Peg10的mRNA表达较A组有所降低.B组PEG10蛋白极少表达,与A组比较,差异具有统计学意义(P<0.01),其p-FAK、p-JNK、p-ERK和p38MAPK蛋白表达与A组比较,差异均有统计学意义(P值均<0.05).C、D组PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达较A组均降低,差异均有统计学意义(P值均<0.05).E、F组p-FAK、p-JNK、p-ERK和p38MAPK蛋白表达与B组比较,差异均有统计学意义(P值均<0.01),而C组与E组、D组与F组相比,PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达差异亦均有统计学意义(P值均<0.01).结论 Peg10基因失活后可增加ADR耐药的BEL-7404细胞株对5-Fu和ADR的敏感性,其作用机制可能与其下调p-FAK、p-JNK 目的初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制。方法采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对LO2细胞、ADR耐药的人肝癌细胞BEL-7404/ADR(7404/ADR)和Peg10基因沉默的siRNA-BEL-7404/ADR(siRNA-7404/ADR)细胞增殖的影响;建立7404/ADR和siRNA-7404/ADR裸鼠荷瘤模型,48只裸鼠随机分为6组,每组8只,A、C、D组注射7404/ADR细胞,B、E、F组注射siRNA-7404/ADR细胞;A、B组尾静脉注射生理盐水,C、E组给予5-Fu,D、F组给予尾静脉注射ADR,测量瘤块体积,RT-PCR检测Peg10基因的表达,Western Blot法检测PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达。两组间比较采用t检验,多组间比较采用单因素方差分析。结果 ADR和5-Fu对siRNA-7404/ADR 24 h的IC50值均较7404/ADR的降低,差异均具有统计学意义(t值分别为7.641,7.560,P值均〈0.01)。B、C、D组肿瘤体积较A组小,差异均有统计学意义(P值均〈0.05),E、F组肿瘤体积较B组小,差异均具有统计学意义(P值均〈0.01);E组与C组比较,F组与D组的肿瘤体积差异亦均有统计学意义(P值均〈0.05)。B、E、F组Peg10的mRNA极少表达,C、D组Peg10的mRNA表达较A组有所降低。B组PEG10蛋白极少表达,与A组比较,差异具有统计学意义(P〈0.01),其pFAK、p-JNK、p-ERK和p38MAPK蛋白表达与A组比较,差异均有统计学意义(P值均〈0.05)。C、D组PEG10、p-FAK、pJNK、p-ERK和p38MAPK蛋白的表达较A组均降低,差异均有统计学意义(P值均〈0.05)。E、F组p-FAK、p-JNK、p-ERK和p38MAPK蛋白表达与B组比较,差异均有统计学意义(P值均〈0.01),而C组与E组、D组与F组相比,PEG10、p-FAK、p-JNK、p-ERK和p38MAPK蛋白的表达差异亦均有统计学意义(P值均〈0.01)。结论 Peg10基因失活后可增加ADR耐药的BEL-7404细胞株对5-Fu和ADR的敏感性,其作用机制可能与其下调p-FAK、p-JNK、p-ERK和p38MA |
| Author | 张海 常城 朱艳莉 李丹 张丽 余力群 方春华 胡亚华 |
| AuthorAffiliation | 湖北理工学院附属黄石中心医院消化内科,湖北黄石435000 |
| AuthorAffiliation_xml | – name: 湖北理工学院附属黄石中心医院消化内科,湖北黄石,435000 |
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| DocumentTitleAlternate | Role of Peg10 in FAK- mediated CAM- DR in hepatocellular carcinoma |
| DocumentTitle_FL | Role of Peg10 in FAK-mediated CAM-DR in hepatocellular carcinoma |
| EndPage | 252 |
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| Keywords | 肝肿瘤 黏着斑蛋白酪氨酸激酶类 RNA,small interfering RNA,小分子干扰 抗药性,肿瘤 focal adhesion protein-tyrosine kinases drug resistance,neoplasm liver neoplasms Peg10 gene Peg10基因 |
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| Notes | ZHANG Hai , CHANG Cheng , ZHU Yanli , et al. ( Department of Gastroenterology, The Central Hospital of Huangshi , Hubei Polytechnic Uni- versity, Huangshi, Hubei 435000, China) liver neoplasms ; focal adhesion protein - tyrosine kinases ; Peg10 gene ; drug resistance, neoplasm ; RNA, small interfering Objective To preliminarily investigate the relationship of PeglO with focal adhesion kinase (FAK) - mediated cell adhesion - mediated drug resistance (CAM -DR) in hepatocellular carcinoma (HCC), and to explore the underlying molecular mechanism. Methods The effects of 5 -fluorouracil (5 -Fu) and adriamycin (ADR) on the proliferation of LO2 cells, ADR -resistant human HCC cells BEL -7404/ADR (7404/ADR), and PeglO -silenced cells siRNA -BEL- 7404/ADR (siRNA -7404/ADR) were examined by MTY assay. To build a tumor -bearing nude mouse model, 48 rats were randomly divided into six groups (n = 8 each) : groups A, C, and D were injec- ted with 7404/ADR ceils; groups B, E, and F were injected with siRNA -7404/ADR cells. Fo |
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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 | 2015 |
| Publisher | 湖北理工学院附属黄石中心医院消化内科,湖北黄石,435000 |
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| Snippet | 目的初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制。方法采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对LO2细胞、ADR耐药的人肝癌... R735.7; 目的 初步探讨Peg10基因与黏着斑激酶(FAK)介导的肝癌细胞耐药(CAM-DR)的关系及分子机制.方法 采用MTT法检测5-氟尿嘧啶(5-Fu)、阿霉素(ADR)对L02细胞、ADR耐药的人肝... |
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| SubjectTerms | Peg10基因 RNA 小分子干扰 抗药性 肝肿瘤 肿瘤 黏着斑蛋白酪氨酸激酶类 |
| Title | Peg10基因在黏着斑激酶介导的肝癌细胞耐药中的作用 |
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