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MicroRNA-302c通过结缔组织生长因子调控腹膜透析相关腹膜纤维化 被引量:21
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作者 李勰家 周循 +4 位作者 孙林 刘伏友 肖力 刘虹 张磊 《中国血液净化》 CSCD 2019年第3期192-196,共5页
目的通过观察microRNA-302c(miR-302c)对腹膜间皮细胞结缔组织生长因子(connect tissue growth factor,CTGF)表达及上皮细胞-间充质细胞转分化(epithelial-to-mesenchymal transition,EMT)的影响,探讨miR-302c对腹膜透析(peritoneal dia... 目的通过观察microRNA-302c(miR-302c)对腹膜间皮细胞结缔组织生长因子(connect tissue growth factor,CTGF)表达及上皮细胞-间充质细胞转分化(epithelial-to-mesenchymal transition,EMT)的影响,探讨miR-302c对腹膜透析(peritoneal dialysis,PD)相关腹膜纤维化的作用及机制。方法收集PD患者腹膜透析流出液中腹膜间皮细胞,检测miR-302c、CTGF、EMT及纤维化相关指标的表达,并分析其相关性;体外培养人腹膜间皮细胞株,通过转染慢病毒过表达miR-302c,检测腹膜间皮细胞CTGF、EMT及纤维化相关指标的变化。结果 PD患者腹膜透析流出液中miR-302c水平降低(F=443.165,P<0.001),与波形蛋白(Vimentin)(r=-0.887,P=0.001)和CTGF(r=-0.840,P=0.002)水平呈负相关,与紧密连接蛋白-1(Zo-1)水平呈正相关(r=0.873,P=0.001)。过表达miR-302c抑制转化生长因子β1(transforming growth factor-β1,TGF-β1)诱导的人腹膜间皮细胞株E-钙黏蛋白(E-cadherin)(F=13.910,P=0.043)表达下调,α-平滑肌肌动蛋白(α-SMA)(F=11.833,P=0.026)及Ⅰ型胶原蛋白(Collagen Ⅰ)(F=10.673,P=0.031)表达上调,同时也抑制了TGF-β1诱导的CTGF表达上调(F=8.340,P=0.044)。结论 miR-302c可能通过CTGF调控PD过程中腹膜间皮细胞EMT及纤维化。 展开更多
关键词 腹膜透析 microRNA-302c 上皮细胞-间充质细胞转分化 腹膜纤维化 结缔组织生长因子
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Gene delivery in peritoneal dialysis related peritoneal fibrosis research 被引量:2
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作者 li xie-jia SUN lin +1 位作者 XIAO li liU Fu-you 《Chinese Medical Journal》 SCIE CAS CSCD 2012年第12期2219-2224,共6页
Objective To summarize the development of gene delivery vectors in peritoneal fibrosis research and discuss the feasibility and superiority of lentiviral vectors. Data sources The data in this article were collected f... Objective To summarize the development of gene delivery vectors in peritoneal fibrosis research and discuss the feasibility and superiority of lentiviral vectors. Data sources The data in this article were collected from PubMed database with relevant English articles published from 1995 to 2011. Study selection Articles regarding the gene therapy in peritoneal fibrosis research using non-viral vectors, adenoviral vectors, retroviral vectors, and lentiviral vectors were selected. Data were mainly extracted from 60 articles, which are listed in the reference section of this review. Results Non-viral vector-mediated gene delivery (including naked DNA for ex vivo, oligonucleotides, ultrasound- contrast agent mediated naked gene delivery, etc.) and viral vector-mediated gene delivery (including adenovirus, helper-dependant adenovirus, and retrovirus vectors) have been successfully applied both in the mechanistic investigation and the potential prevention and treatment of peritoneal fibrosis. Conclusions Peritoneal fibrosis is a major complication of peritoneal dialysis (PD). Recently, the wide use of the gene delivery technique made it possible to access and further research peritoneal fibrosis. The use of lentiviral vector is expected to be widely used in PD research in the future due to its advantages in gene delivery. 展开更多
关键词 peritoneal dialysis peritoneal fibrosis gene delivery non-viral vector viral vector
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