Non-alcoholic fatty liver disease(NAFLD)is emerging as a common cause of chronic liver disease in children and adults.NAFLD can progress to steatohepa-titis and potentially even hepatocellular carcinoma.Early identifi...Non-alcoholic fatty liver disease(NAFLD)is emerging as a common cause of chronic liver disease in children and adults.NAFLD can progress to steatohepa-titis and potentially even hepatocellular carcinoma.Early identification of pati-ents at risk for progressive disease is crucial for managing NAFLD.Recent studies have identified long noncoding RNAs(lncRNAs),circular RNAs,and microRNAs as playing important roles in the pathogenesis of NAFLD.These noncoding RNAs are involved in modulating several metabolic pathways such as hepatic glucose and lipid metabolism,oxidative stress,and even carcinogenesis.Elevated levels of lncARSR and lncRNA nuclear-enriched abundant transcript 1 have been found in patients with NAFLD.In addition,lncRNAs such as PRYP4-3 and RP11-128N14.5 can distinguish patients with NAFLD from healthy indi-viduals.Increased MEG3 expression has been observed in both NAFLD and non-alcoholic steatohepatitis,suggesting that it may help predict patients at risk for disease progression.With advances in transcriptomics,we may discover additional targets to help in the identification and prognostication of NAFLD.展开更多
目的探讨同时下调长链非编码RNA(lncRNA)人浆细胞瘤转化迁移基因1(PVT1)和MINCR(MYC-induced long non-coding RNA)对淋巴瘤细胞株Raji增殖的影响及其可能机制。方法合成靶向PVT1、MINCR的小干扰RNA(siRNA)和无关对照siRNA(SC-siRNA)序...目的探讨同时下调长链非编码RNA(lncRNA)人浆细胞瘤转化迁移基因1(PVT1)和MINCR(MYC-induced long non-coding RNA)对淋巴瘤细胞株Raji增殖的影响及其可能机制。方法合成靶向PVT1、MINCR的小干扰RNA(siRNA)和无关对照siRNA(SC-siRNA)序列。实验分为PVT1-siRNA组、MINCR-siRNA组、PVT1-siRNA+MINCR-siRNA组、无关对照组和细胞组(未转染的Raji细胞)。将各条siRNA转入Raji细胞后,用实时定量RT-PCR方法检测MINCR RNA表达水平;分别用CCK8法、流式细胞仪、Western blot检测细胞增殖、细胞周期和c-Myc蛋白的表达情况。结果转染MINCR-siRNA后MINCR表达下调,与无关对照组和细胞组相比差异有统计学差异(P<0.05)。PVT1-siRNA联合MINCR-siRNA转染到Raji细胞后,细胞增殖明显受到抑制(P<0.05),细胞周期阻滞于G1期(P<0.05),c-Myc蛋白表达下降(P<0.05),且与单用PVT1-siRNA组、MINCR-siRNA组相比差异均具有统计学意义(P<0.05)。结论同时下调PVT1和MINCR可以增强对Raji细胞增殖的抑制作用。展开更多
文摘Non-alcoholic fatty liver disease(NAFLD)is emerging as a common cause of chronic liver disease in children and adults.NAFLD can progress to steatohepa-titis and potentially even hepatocellular carcinoma.Early identification of pati-ents at risk for progressive disease is crucial for managing NAFLD.Recent studies have identified long noncoding RNAs(lncRNAs),circular RNAs,and microRNAs as playing important roles in the pathogenesis of NAFLD.These noncoding RNAs are involved in modulating several metabolic pathways such as hepatic glucose and lipid metabolism,oxidative stress,and even carcinogenesis.Elevated levels of lncARSR and lncRNA nuclear-enriched abundant transcript 1 have been found in patients with NAFLD.In addition,lncRNAs such as PRYP4-3 and RP11-128N14.5 can distinguish patients with NAFLD from healthy indi-viduals.Increased MEG3 expression has been observed in both NAFLD and non-alcoholic steatohepatitis,suggesting that it may help predict patients at risk for disease progression.With advances in transcriptomics,we may discover additional targets to help in the identification and prognostication of NAFLD.
