lncRNA PAX8-AS1对结直肠癌细胞增殖、凋亡和侵袭的作用及其机制
R735.35%R735.37; 目的:探讨长链非编码RNA配对盒 8反义RNA 1(PAX8-AS1)在人结直肠癌(CRC)组织中的表达水平及其对CRC细胞增殖、凋亡及侵袭的作用,并阐明其作用机制.方法:采用实时荧光定量PCR(RT-qPCR)法检测94例CRC患者癌组织和癌细胞中PAX8-AS1 mRNA和miR-22-3p表达水平.将PAX8-AS10 siRNA小分子序列与miR-22-3p inhibitors分别转染或共转染至CRC细胞中,转染后细胞分为si-NC组(转染阴性序列)、si-PAX8-AS1组(转染PAX8-AS1 siRNA)、si-PAX8-AS1+inhibit...
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Published in | 吉林大学学报(医学版) Vol. 49; no. 3; pp. 656 - 664 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
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南华大学衡阳医学院附属第二医院肛肠科,湖南 衡阳 421000%南华大学衡阳医学院附属第二医院胃肠外科,湖南 衡阳 421001
28.05.2023
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Abstract | R735.35%R735.37; 目的:探讨长链非编码RNA配对盒 8反义RNA 1(PAX8-AS1)在人结直肠癌(CRC)组织中的表达水平及其对CRC细胞增殖、凋亡及侵袭的作用,并阐明其作用机制.方法:采用实时荧光定量PCR(RT-qPCR)法检测94例CRC患者癌组织和癌细胞中PAX8-AS1 mRNA和miR-22-3p表达水平.将PAX8-AS10 siRNA小分子序列与miR-22-3p inhibitors分别转染或共转染至CRC细胞中,转染后细胞分为si-NC组(转染阴性序列)、si-PAX8-AS1组(转染PAX8-AS1 siRNA)、si-PAX8-AS1+inhibitors NC组(共转染PAX8-AS1 siRNA和inhibitors NC)和si-PAX8-AS1+inhibitors组(共转染PAX8-AS1 siRNA和miR-22-3p inhibitors),另取未经任何转染的SW480细胞作为对照组.RT-qPCR法检测转染后各组细胞中PAX8-AS1 mRNA和miR-22-3p表达水平,MTT法检测各组细胞增殖活性,流式细胞术检测各组细胞凋亡率,Transwell小室实验检测各组细胞迁移和侵袭率,Western blotting法检测各组细胞中B细胞淋巴瘤2(Bcl-2)、Bcl-2相关X蛋白(Bax)和cleaved Caspase-3蛋白表达水平,双荧光素酶报告基因实验验证PAX8-AS1与miR-22-3p的靶向关系.结果:RT-qPCR法检测,与癌旁组织比较,癌组织中PAX8-AS1 mRNA表达水平明显升高(P<0.01),miR-22-3p表达水平明显降低(P<0.01);与人正常结肠上皮细胞NCM460比较,SW480、SW620、HT-29和LoVo细胞中PAX8-AS1 mRNA表达水平均明显升高(P<0.05或P<0.01),miR-22-3p表达水平均明显降低(P<0.05或P<0.01).与对照组和si-NC组比较,si-PAX8-AS1组细胞中PAX8-AS1 mRNA表达水平明显降低(P<0.01),miR-22-3p表达水平明显升高(P<0.01);与si-NC组比较,si-PAX8-AS1+inhibitors NC组细胞中miR-22-3p表达水平明显升高(P<0.01).MTT法检测,与对照组比较,si-PAX8-AS1组、si-P |
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AbstractList | R735.35%R735.37; 目的:探讨长链非编码RNA配对盒 8反义RNA 1(PAX8-AS1)在人结直肠癌(CRC)组织中的表达水平及其对CRC细胞增殖、凋亡及侵袭的作用,并阐明其作用机制.方法:采用实时荧光定量PCR(RT-qPCR)法检测94例CRC患者癌组织和癌细胞中PAX8-AS1 mRNA和miR-22-3p表达水平.将PAX8-AS10 siRNA小分子序列与miR-22-3p inhibitors分别转染或共转染至CRC细胞中,转染后细胞分为si-NC组(转染阴性序列)、si-PAX8-AS1组(转染PAX8-AS1 siRNA)、si-PAX8-AS1+inhibitors NC组(共转染PAX8-AS1 siRNA和inhibitors NC)和si-PAX8-AS1+inhibitors组(共转染PAX8-AS1 siRNA和miR-22-3p inhibitors),另取未经任何转染的SW480细胞作为对照组.RT-qPCR法检测转染后各组细胞中PAX8-AS1 mRNA和miR-22-3p表达水平,MTT法检测各组细胞增殖活性,流式细胞术检测各组细胞凋亡率,Transwell小室实验检测各组细胞迁移和侵袭率,Western blotting法检测各组细胞中B细胞淋巴瘤2(Bcl-2)、Bcl-2相关X蛋白(Bax)和cleaved Caspase-3蛋白表达水平,双荧光素酶报告基因实验验证PAX8-AS1与miR-22-3p的靶向关系.结果:RT-qPCR法检测,与癌旁组织比较,癌组织中PAX8-AS1 mRNA表达水平明显升高(P<0.01),miR-22-3p表达水平明显降低(P<0.01);与人正常结肠上皮细胞NCM460比较,SW480、SW620、HT-29和LoVo细胞中PAX8-AS1 mRNA表达水平均明显升高(P<0.05或P<0.01),miR-22-3p表达水平均明显降低(P<0.05或P<0.01).与对照组和si-NC组比较,si-PAX8-AS1组细胞中PAX8-AS1 mRNA表达水平明显降低(P<0.01),miR-22-3p表达水平明显升高(P<0.01);与si-NC组比较,si-PAX8-AS1+inhibitors NC组细胞中miR-22-3p表达水平明显升高(P<0.01).MTT法检测,与对照组比较,si-PAX8-AS1组、si-P |
Author | 刘昌化 张侨 丁雅婷 刘菀莹 许志杰 谢亚锋 闫圣玉 |
AuthorAffiliation | 南华大学衡阳医学院附属第二医院肛肠科,湖南 衡阳 421000%南华大学衡阳医学院附属第二医院胃肠外科,湖南 衡阳 421001 |
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Author_FL | LIU Changhua DING Yating LIU Wanying YAN Shengyu XIE Yafeng XU Zhijie ZHANG Qiao |
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DocumentTitle_FL | Effect of lncRNA PAX8-AS1 on proliferation,apoptosis and invasion of colorectal cancer cells and its mechanism |
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Keywords | 结直肠肿瘤 细胞凋亡 配对盒8反义RNA 1 微小RNA-22-3p 长链非编码RNA |
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Snippet | R735.35%R735.37; 目的:探讨长链非编码RNA配对盒 8反义RNA 1(PAX8-AS1)在人结直肠癌(CRC)组织中的表达水平及其对CRC细胞增殖、凋亡及侵袭的作用,并阐明其作用机制.方法:采用实时荧光定量PCR(RT-qPCR)法检测94例CRC患者癌组织和癌细胞中PAX8-AS1... |
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Title | lncRNA PAX8-AS1对结直肠癌细胞增殖、凋亡和侵袭的作用及其机制 |
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