lncRNA MALAT1对肝星状细胞活化的调节作用及其机制
R575; 目的:探讨长链非编码RNA(lncRNA)肺腺癌转移相关转录本1(MALAT1)在肝纤维化进展过程中对肝星状细胞(HSC)活化的调节作用,并阐明其作用机制.方法:收集25例健康志愿者(健康组,n=25)和 25例肝纤维化患者[轻度肝纤维化组(n=12)和重度肝纤维化组(n= 13)]血清样本.小鼠HSC分为对照组、转化生长因子β1(TGF-β1)组、TGF-β1+si-NC组、TGF-β1+si-MALAT1 组、TGF-β1+si-MALAT1+anti-miR-150-5p 组和 TGF-β1+si-MALAT1+CXCL14 组.采用实时荧光定量 PCR(RT-qPCR)法检...
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| Published in | 吉林大学学报(医学版) Vol. 49; no. 3; pp. 697 - 705 |
|---|---|
| Main Authors | , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
河南大学第一附属医院消化病科,河南 开封 475100
28.05.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1671-587X |
| DOI | 10.13481/j.1671-587X.20230319 |
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| Abstract | R575; 目的:探讨长链非编码RNA(lncRNA)肺腺癌转移相关转录本1(MALAT1)在肝纤维化进展过程中对肝星状细胞(HSC)活化的调节作用,并阐明其作用机制.方法:收集25例健康志愿者(健康组,n=25)和 25例肝纤维化患者[轻度肝纤维化组(n=12)和重度肝纤维化组(n= 13)]血清样本.小鼠HSC分为对照组、转化生长因子β1(TGF-β1)组、TGF-β1+si-NC组、TGF-β1+si-MALAT1 组、TGF-β1+si-MALAT1+anti-miR-150-5p 组和 TGF-β1+si-MALAT1+CXCL14 组.采用实时荧光定量 PCR(RT-qPCR)法检测各组研究对象血清和各组 HSC 中MALAT1 mRNA、miR-150-5p和 CXC 趋化因子配体 14(CXCL14)mRNA 表达水平,Western blotting法检测各组研究对象血清中CXCL14蛋白表达水平和各组HSC中CXCL14、α-平滑肌肌动蛋白(α-SMA)和Ⅰ型胶原蛋白α1(COL1A1)蛋白表达水平,CCK-8法检测各组HSC增殖活性,免疫荧光法检测各组 HSC 中 α-SMA 和 COL1A1 蛋白表达量,双荧光素酶报告系统检测 miR-150-5p与MALAT1和CXCL143'-UTR基因的靶向关系.结果:RT-qPCR法检测,与健康组比较,轻度和重度肝纤维化组患者血清中MALAT1 mRNA和CXCL14 mRNA表达水平升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与轻度肝纤维化组比较,重度肝纤维化组患者血清中MALAT1 mRNA和CXCL14 mRNA表达水平升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与对照组比较,TGF-β1组HSC中MALAT1 mRNA和CXCL14 mRNA表达水平均升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与 TGF-β1+si-NC 组比较,TGF-β1+si-MALAT1 组 HSC 中 MALAT1 mRNA和CXCL14 mRNA表达水平均降低(P<0.05),miR-150-5p表达水平升高(P<0.05);与TGF-β1+si-MALAT1 组比较,TGF-β1+si-MALAT1+anti-miR-150-5p组HSC中miR-150-5p表达水平降低(P |
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| AbstractList | R575; 目的:探讨长链非编码RNA(lncRNA)肺腺癌转移相关转录本1(MALAT1)在肝纤维化进展过程中对肝星状细胞(HSC)活化的调节作用,并阐明其作用机制.方法:收集25例健康志愿者(健康组,n=25)和 25例肝纤维化患者[轻度肝纤维化组(n=12)和重度肝纤维化组(n= 13)]血清样本.小鼠HSC分为对照组、转化生长因子β1(TGF-β1)组、TGF-β1+si-NC组、TGF-β1+si-MALAT1 组、TGF-β1+si-MALAT1+anti-miR-150-5p 组和 TGF-β1+si-MALAT1+CXCL14 组.采用实时荧光定量 PCR(RT-qPCR)法检测各组研究对象血清和各组 HSC 中MALAT1 mRNA、miR-150-5p和 CXC 趋化因子配体 14(CXCL14)mRNA 表达水平,Western blotting法检测各组研究对象血清中CXCL14蛋白表达水平和各组HSC中CXCL14、α-平滑肌肌动蛋白(α-SMA)和Ⅰ型胶原蛋白α1(COL1A1)蛋白表达水平,CCK-8法检测各组HSC增殖活性,免疫荧光法检测各组 HSC 中 α-SMA 和 COL1A1 蛋白表达量,双荧光素酶报告系统检测 miR-150-5p与MALAT1和CXCL143'-UTR基因的靶向关系.结果:RT-qPCR法检测,与健康组比较,轻度和重度肝纤维化组患者血清中MALAT1 mRNA和CXCL14 mRNA表达水平升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与轻度肝纤维化组比较,重度肝纤维化组患者血清中MALAT1 mRNA和CXCL14 mRNA表达水平升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与对照组比较,TGF-β1组HSC中MALAT1 mRNA和CXCL14 mRNA表达水平均升高(P<0.05),miR-150-5p表达水平降低(P<0.05);与 TGF-β1+si-NC 组比较,TGF-β1+si-MALAT1 组 HSC 中 MALAT1 mRNA和CXCL14 mRNA表达水平均降低(P<0.05),miR-150-5p表达水平升高(P<0.05);与TGF-β1+si-MALAT1 组比较,TGF-β1+si-MALAT1+anti-miR-150-5p组HSC中miR-150-5p表达水平降低(P |
| Author | 赵俊波 韩大正 孙正路 徐菱遥 魏书堂 董勇 |
| AuthorAffiliation | 河南大学第一附属医院消化病科,河南 开封 475100 |
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| Author_FL | WEI Shutang ZHAO Junbo XU Lingyao HAN Dazheng SUN Zhenglu DONG Yong |
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| Author_xml | – sequence: 1 fullname: 徐菱遥 – sequence: 2 fullname: 魏书堂 – sequence: 3 fullname: 董勇 – sequence: 4 fullname: 孙正路 – sequence: 5 fullname: 赵俊波 – sequence: 6 fullname: 韩大正 |
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| Keywords | 肝纤维化 微小RNA-150-5p 肝星状细胞 CXC趋化因子配体14 长链非编码RNA肺腺癌转移相关转录本1 |
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| Title | lncRNA MALAT1对肝星状细胞活化的调节作用及其机制 |
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