MUC1在HER2阳性乳腺癌发病中的作用及机制研究
R737.9; 目的·研究黏蛋白1(mucin 1,MUC1)在人类表皮生长因子受体2(human epidermal growth factor receptor 2,HER2)阳性乳腺癌发病中的作用及其调控的分子机制.方法·使用病毒感染技术构建MT2/MUC1诱导表达细胞株和MT2/Vec及MT2/CD过表达细胞株;采用蛋白质印迹法(Western blotting)检测过表达MUC1和MUC1-CD后6-磷酸葡萄糖脱氢酶(glucose-6-phosphate 1-dehydrogenase,G6PD)的蛋白质表达水平;通过细胞计数试剂盒8(cell counting kit-8,CCK...
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| Published in | 上海交通大学学报（医学版） Vol. 41; no. 7; pp. 839 - 846 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海交通大学基础医学院组织胚胎学与遗传发育学系,上海200025
28.07.2021
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-8115 |
| DOI | 10.3969/j.issn.1674-8115.2021.07.001 |
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| Abstract | R737.9; 目的·研究黏蛋白1(mucin 1,MUC1)在人类表皮生长因子受体2(human epidermal growth factor receptor 2,HER2)阳性乳腺癌发病中的作用及其调控的分子机制.方法·使用病毒感染技术构建MT2/MUC1诱导表达细胞株和MT2/Vec及MT2/CD过表达细胞株;采用蛋白质印迹法(Western blotting)检测过表达MUC1和MUC1-CD后6-磷酸葡萄糖脱氢酶(glucose-6-phosphate 1-dehydrogenase,G6PD)的蛋白质表达水平;通过细胞计数试剂盒8(cell counting kit-8,CCK-8)法、平板克隆形成实验、细胞划痕实验、Transwell迁移实验和肿瘤细胞成球实验,研究MUC1对HER2阳性乳腺癌细胞MT2增殖、克隆形成、迁移和成球的影响;使用GP6D的抑制剂6-AN抑制酶活性,CCK-8检测乳腺癌细胞增殖;采用GEPIA和Kaplan-Meier Plotter数据库分析HER2、MUC1和G6PD在乳腺癌中的表达及其对乳腺癌患者生存期的影响.结果·过表达MUC1或MUC1-CD促进HER2阳性乳腺癌细胞MT2的增殖、克隆形成、迁移和成球,并且提高G6PD的蛋白质表达水平.抑制G6PD活性显著降低MUC1和MUC1-CD诱导的细胞增殖.G6PD蛋白在乳腺癌组织中表达上调且与乳腺癌患者生存期缩短相关.结论·MUC1可能通过调控G6PD的表达促进HER2阳性乳腺癌的进程,提示抑制磷酸戊糖途径可能成为HER2阳性乳腺癌治疗的靶点. |
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| AbstractList | R737.9; 目的·研究黏蛋白1(mucin 1,MUC1)在人类表皮生长因子受体2(human epidermal growth factor receptor 2,HER2)阳性乳腺癌发病中的作用及其调控的分子机制.方法·使用病毒感染技术构建MT2/MUC1诱导表达细胞株和MT2/Vec及MT2/CD过表达细胞株;采用蛋白质印迹法(Western blotting)检测过表达MUC1和MUC1-CD后6-磷酸葡萄糖脱氢酶(glucose-6-phosphate 1-dehydrogenase,G6PD)的蛋白质表达水平;通过细胞计数试剂盒8(cell counting kit-8,CCK-8)法、平板克隆形成实验、细胞划痕实验、Transwell迁移实验和肿瘤细胞成球实验,研究MUC1对HER2阳性乳腺癌细胞MT2增殖、克隆形成、迁移和成球的影响;使用GP6D的抑制剂6-AN抑制酶活性,CCK-8检测乳腺癌细胞增殖;采用GEPIA和Kaplan-Meier Plotter数据库分析HER2、MUC1和G6PD在乳腺癌中的表达及其对乳腺癌患者生存期的影响.结果·过表达MUC1或MUC1-CD促进HER2阳性乳腺癌细胞MT2的增殖、克隆形成、迁移和成球,并且提高G6PD的蛋白质表达水平.抑制G6PD活性显著降低MUC1和MUC1-CD诱导的细胞增殖.G6PD蛋白在乳腺癌组织中表达上调且与乳腺癌患者生存期缩短相关.结论·MUC1可能通过调控G6PD的表达促进HER2阳性乳腺癌的进程,提示抑制磷酸戊糖途径可能成为HER2阳性乳腺癌治疗的靶点. |
| Author | 黄雷 庞智 王成志 邓华云 |
| AuthorAffiliation | 上海交通大学基础医学院组织胚胎学与遗传发育学系,上海200025 |
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| Author_FL | PANG Zhi DENG Hua-yun WANG Cheng-zhi HUANG Lei |
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| Keywords | 黏蛋白1 乳腺癌 磷酸戊糖途径 6-磷酸葡萄糖脱氢酶 |
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