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lncRNA linc01776对髓核细胞增殖和凋亡的影响及其相关机制
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作者 李秋园 田纪伟 《中国临床研究》 2025年第7期1087-1090,共4页
目的探讨长链非编码RNA linc01776在髓核细胞的增殖和凋亡中的生物学作用。方法将髓核细胞分为空白对照组、沉默对照组、linc01776沉默组,沉默对照序列、siRNA-linc01776沉默序列的质粒分别加入沉默对照组和linc01776沉默组细胞中进行... 目的探讨长链非编码RNA linc01776在髓核细胞的增殖和凋亡中的生物学作用。方法将髓核细胞分为空白对照组、沉默对照组、linc01776沉默组,沉默对照序列、siRNA-linc01776沉默序列的质粒分别加入沉默对照组和linc01776沉默组细胞中进行细胞转染。取转染后髓核细胞采用CCK-8法检测细胞增殖情况,流式细胞术检测细胞凋亡情况,western blot检测Caspase-3、Bcl-2蛋白的表达情况。结果与沉默对照组相比,linc01776基因在linc01776沉默组靶点处的表达量显著降低(P<0.05),敲减效率为53%。linc01776沉默组细胞增殖的吸光度值在转染后3 d和5 d显著高于空白对照组,差异有统计学意义(P<0.05)。linc01776沉默组细胞凋亡率低于空白对照组和沉默对照组(P<0.05)。Western blot结果显示,linc01776沉默组Caspase-3的相对表达量均低于空白对照组和沉默对照组,Bcl-2蛋白的相对表达量均高于空白对照组和沉默对照组(P<0.05)。结论下调linc01776的表达可促进髓核细胞的增殖,抑制髓核细胞的凋亡,其机制可能是通过调节细胞Caspase-3、Bcl-2蛋白的合成,参与椎间盘退变的发展。 展开更多
关键词 椎间盘退行性变 髓核细胞 长链非编码RNA 细胞增殖 细胞凋亡
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New insights into the interplay between long non-coding RNAs and RNA-binding proteins in cancer 被引量:33
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作者 Zi-Ting Yao Yan-Ming Yang +4 位作者 Miao-Miao Sun Yan He Long Liao Kui-Sheng Chen Bin Li 《Cancer Communications》 SCIE 2022年第2期117-140,共24页
With the development of proteomics and epigenetics,a large number of RNA-binding proteins(RBPs)have been discovered in recent years,and the inter-action between long non-coding RNAs(lncRNAs)and RBPs has also received ... With the development of proteomics and epigenetics,a large number of RNA-binding proteins(RBPs)have been discovered in recent years,and the inter-action between long non-coding RNAs(lncRNAs)and RBPs has also received increasing attention.It is extremely important to conduct in-depth research on the lncRNA-RBP interaction network,especially in the context of its role in the occurrence and development of cancer.Increasing evidence has demonstrated that lncRNA-RBP interactions play a vital role in cancer progression;there-fore,targeting these interactions could provide new insights for cancer drug discovery.In this review,we discussed how lncRNAs can interact with RBPs to regulate their localization,modification,stability,and activity and discussed the effects of RBPs on the stability,transport,transcription,and localization of lncRNAs.Moreover,we explored the regulation and influence of these inter-actions on lncRNAs,RBPs,and downstream pathways that are related to can-cer development,such as N6-methyladenosine(m6A)modification of lncRNAs.In addition,we discussed how the lncRNA-RBP interaction network regulates cancer cell phenotypes,such as proliferation,apoptosis,metastasis,drug resis-tance,immunity,tumor environment,and metabolism.Furthermore,we sum-marized the therapeutic strategies that target the lncRNA-RBP interaction net-work.Although these treatments are still in the experimental stage and various theories and processes are still being studied,we believe that these strategiesmay provide new ideas for cancer treatment. 展开更多
关键词 cancer epigenetics CANCER interactionnetwork lncRNA-RBP longnon-codingrna RNA-binding protein treatmentstrategy
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