乳腺癌中Notch信号通路与YAP1/TAZ的交互作用研究
R737.9; 目的 探讨Notch1与YAP1/TAZ在乳腺癌中的表达关系及其发病机制.方法 选取MDA-MB-231和MCF-7乳腺癌细胞,利用慢病毒分别构建不同Notch1、YAP1表达水平的稳定感染细胞株,应用Western blotting、RT-qPCR、免疫共沉淀技术研究Notch1与YAP1/TAZ之间的关系.结果 通过基因表达谱交互分析(gene expression profiling interactive analysis,GEPIA),对肿瘤基因图谱数据库(the Cancer Genome Atlas,TCGA)中的乳腺癌数据分析发现,Notch1与YAP1/TAZ...
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| Published in | 西安交通大学学报(医学版) Vol. 41; no. 6; pp. 888 - 895 |
|---|---|
| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安交通大学第一附属医院肿瘤内科,陕西西安710061%西安交通大学第二附属医院肾脏内科,陕西西安710004%中国医学科学院肿瘤医院核医学科,北京 100021%西安交通大学第一附属医院肝胆外科,陕西西安710061
05.11.2020
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-8259 |
| DOI | 10.7652/jdyxb202006014 |
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| Abstract | R737.9; 目的 探讨Notch1与YAP1/TAZ在乳腺癌中的表达关系及其发病机制.方法 选取MDA-MB-231和MCF-7乳腺癌细胞,利用慢病毒分别构建不同Notch1、YAP1表达水平的稳定感染细胞株,应用Western blotting、RT-qPCR、免疫共沉淀技术研究Notch1与YAP1/TAZ之间的关系.结果 通过基因表达谱交互分析(gene expression profiling interactive analysis,GEPIA),对肿瘤基因图谱数据库(the Cancer Genome Atlas,TCGA)中的乳腺癌数据分析发现,Notch1与YAP1/TAZ之间表达呈正相关;与对照组相比,shNotch1组YAP1/TAZ的蛋白水平与mRNA水平均降低,差异具有统计学意义(P<0.05),N1ICD组YAP1/TAZ的蛋白表达水平升高,mRNA水平差异无统计学意义(P>0.05),在Notch1过表达的MDA-MB-231细胞中,TAZ降解被抑制;免疫共沉淀实验结果显示,TAZ蛋白与Notch1、β-TrCP蛋白存在相互作用;与对照组相比,shYAP1组Notch1、JAG1的mRNA水平及蛋白水平均降低(P<0.05),YAP1组Notch1、JAG1的mRNA水平及蛋白水平均升高,差异具有统计学意义(P<0.05);JASPAR 2018网站预测TEAD家族为JAG1的转录因子;当siTEAD1/3/4#1、#2有效抑制TEAD1/3/4mRNA的转录与蛋白表达时,JAG1的mRNA和蛋白水平均降低(P<0.05).结论 在乳腺癌中,Notch1与YAP1/TAZ存在正反馈环路.YAP1/TAZ可能通过与TEAD家族结合调节JAG1的表达,活化Notch1信号通路.Notch1蛋白影响YAP1/TAZ蛋白的降解. |
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| AbstractList | R737.9; 目的 探讨Notch1与YAP1/TAZ在乳腺癌中的表达关系及其发病机制.方法 选取MDA-MB-231和MCF-7乳腺癌细胞,利用慢病毒分别构建不同Notch1、YAP1表达水平的稳定感染细胞株,应用Western blotting、RT-qPCR、免疫共沉淀技术研究Notch1与YAP1/TAZ之间的关系.结果 通过基因表达谱交互分析(gene expression profiling interactive analysis,GEPIA),对肿瘤基因图谱数据库(the Cancer Genome Atlas,TCGA)中的乳腺癌数据分析发现,Notch1与YAP1/TAZ之间表达呈正相关;与对照组相比,shNotch1组YAP1/TAZ的蛋白水平与mRNA水平均降低,差异具有统计学意义(P<0.05),N1ICD组YAP1/TAZ的蛋白表达水平升高,mRNA水平差异无统计学意义(P>0.05),在Notch1过表达的MDA-MB-231细胞中,TAZ降解被抑制;免疫共沉淀实验结果显示,TAZ蛋白与Notch1、β-TrCP蛋白存在相互作用;与对照组相比,shYAP1组Notch1、JAG1的mRNA水平及蛋白水平均降低(P<0.05),YAP1组Notch1、JAG1的mRNA水平及蛋白水平均升高,差异具有统计学意义(P<0.05);JASPAR 2018网站预测TEAD家族为JAG1的转录因子;当siTEAD1/3/4#1、#2有效抑制TEAD1/3/4mRNA的转录与蛋白表达时,JAG1的mRNA和蛋白水平均降低(P<0.05).结论 在乳腺癌中,Notch1与YAP1/TAZ存在正反馈环路.YAP1/TAZ可能通过与TEAD家族结合调节JAG1的表达,活化Notch1信号通路.Notch1蛋白影响YAP1/TAZ蛋白的降解. |
| Author | 景鑫 雷福茜 罗安琪 邵珊 张玉姣 雷建军 王璐 赵琳 |
| AuthorAffiliation | 西安交通大学第一附属医院肿瘤内科,陕西西安710061%西安交通大学第二附属医院肾脏内科,陕西西安710004%中国医学科学院肿瘤医院核医学科,北京 100021%西安交通大学第一附属医院肝胆外科,陕西西安710061 |
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| Snippet | R737.9; 目的 探讨Notch1与YAP1/TAZ在乳腺癌中的表达关系及其发病机制.方法 选取MDA-MB-231和MCF-7乳腺癌细胞,利用慢病毒分别构建不同Notch1、YAP1表达水平的稳定感染细胞... |
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| Title | 乳腺癌中Notch信号通路与YAP1/TAZ的交互作用研究 |
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