本文于2025年07月发表于《Blood》杂志,发表后引起业内广泛关注,Blood发布述评文章(Thrombopoiesis comes full circle,Amelia A Rodolf,Owen J T McCarty,2025,10,23)。本文题录为:Wu H,Lu Y,Sun D,et al.circFUT8promotes proplatelet...本文于2025年07月发表于《Blood》杂志,发表后引起业内广泛关注,Blood发布述评文章(Thrombopoiesis comes full circle,Amelia A Rodolf,Owen J T McCarty,2025,10,23)。本文题录为:Wu H,Lu Y,Sun D,et al.circFUT8promotes proplatelet formation by interacting with IGF2BP2 and stabilizing TNS1 mRNA in megakaryocytes.Blood.2025;146(17):2119-2132.该研究首次揭示了环状RNA circFUT8促进血小板生成的重要作用,阐明了circFUT8通过与IGF2BP2相互作用促进巨核细胞中TNS1 mRNA的稳定,进而调控巨核细胞肌动蛋白骨架重排的作用机制。本研究揭示了血小板生成调控的新机制,拓宽了环形RNA的生物学功能,为血小板减少症提供了潜在的治疗靶点,也为血小板体外生成策略提供了新的理论依据。现在作者将再次通过佳文解读的方式来阐述这一研究。展开更多
目的本研究旨在阐明miR-150在肝细胞癌(hepatocellular carcinoma,HCC)中的作用和靶点。方法采用热图分析方法,从癌症基因组图谱(The Cancer Genome Atlas)数据库下载的6组HCC组织与邻近肝组织之间差异表达的miRNA。采用实时定量聚合酶...目的本研究旨在阐明miR-150在肝细胞癌(hepatocellular carcinoma,HCC)中的作用和靶点。方法采用热图分析方法,从癌症基因组图谱(The Cancer Genome Atlas)数据库下载的6组HCC组织与邻近肝组织之间差异表达的miRNA。采用实时定量聚合酶链反应检测miR-150在HCC组织和细胞系中的表达;采用侵袭小室试验评估HCC细胞的增殖、侵袭和迁移潜能。此外,利用TargetScan软件用于预测miR-150的潜在靶标,并通过蛋白印迹(Western blotting)和荧光素酶法测定miR-150与其靶基因的关系。结果通过热图分析法,发现在HCC组织中有31个miRNA表达异常,其中miR-150表达差异最为显著,且与患者预后密切相关。细胞实验上,高表达miR-150可通过调节胰岛素样生长因子2-mRNA结合蛋白2(recombinant insulin like growth factor 2 mRNA binding protein 2,IGF2BP2)的表达显著降低人肝癌细胞株SMMC-7721和HepG2细胞的增殖、迁移和侵袭能力。结论miR-150通过调控IGF2BP2抑制HCC细胞的增殖、迁移和侵袭,为HCC提供了新的治疗靶点。展开更多
Insulin-like growth factor 2 m RNA-binding protein 2(IGF2 BP2,also called IMP2)plays an essential role in the development and maturation of germ cells and embryos and is a candidate gene for goat litter size,based on ...Insulin-like growth factor 2 m RNA-binding protein 2(IGF2 BP2,also called IMP2)plays an essential role in the development and maturation of germ cells and embryos and is a candidate gene for goat litter size,based on a previous genomewide selective sweep analysis.In this study,the m RNA expression level of IGF2 BP2 was found to be significantly higher in a single-lamb group than in a multi-lamb group.Insertions/deletions(indels)within the goat IGF2 BP2 gene,including P4-Ins-13 bp and P5-Del-12 bp,were verified in 918 Shaanbei White Cashmere(SBWC)female goats.The minor allelic frequencies(MAFs)of P4-Ins-13 bp and P5-Del-12 bp loci were 0.349 and 0.295,respectively.Analysis using the Chi-square(χ^(2))test showed that the genotype(χ^(2)=14.479,P=0.006)distribution of P4-Ins-13 bp was significantly different between the single-lamb and multi-lamb groups.Correlation analysis demonstrated that P4-Ins-13 bp was significantly associated with goat litter size(P=0.022),and individual goats with the homozygous deletion/deletion(DD)genotype produced more litters than other goats.Therefore,considered as a potential molecular marker significantly related to lambing traits,the P4-Ins-13 bp mutation of the goat IGF2 BP2 gene can be used in goat breeding with practical molecular marker-assisted selection(MAS)to optimize female reproduction and improve economic efficiency in the goat industry.展开更多
文摘本文于2025年07月发表于《Blood》杂志,发表后引起业内广泛关注,Blood发布述评文章(Thrombopoiesis comes full circle,Amelia A Rodolf,Owen J T McCarty,2025,10,23)。本文题录为:Wu H,Lu Y,Sun D,et al.circFUT8promotes proplatelet formation by interacting with IGF2BP2 and stabilizing TNS1 mRNA in megakaryocytes.Blood.2025;146(17):2119-2132.该研究首次揭示了环状RNA circFUT8促进血小板生成的重要作用,阐明了circFUT8通过与IGF2BP2相互作用促进巨核细胞中TNS1 mRNA的稳定,进而调控巨核细胞肌动蛋白骨架重排的作用机制。本研究揭示了血小板生成调控的新机制,拓宽了环形RNA的生物学功能,为血小板减少症提供了潜在的治疗靶点,也为血小板体外生成策略提供了新的理论依据。现在作者将再次通过佳文解读的方式来阐述这一研究。
文摘目的本研究旨在阐明miR-150在肝细胞癌(hepatocellular carcinoma,HCC)中的作用和靶点。方法采用热图分析方法,从癌症基因组图谱(The Cancer Genome Atlas)数据库下载的6组HCC组织与邻近肝组织之间差异表达的miRNA。采用实时定量聚合酶链反应检测miR-150在HCC组织和细胞系中的表达;采用侵袭小室试验评估HCC细胞的增殖、侵袭和迁移潜能。此外,利用TargetScan软件用于预测miR-150的潜在靶标,并通过蛋白印迹(Western blotting)和荧光素酶法测定miR-150与其靶基因的关系。结果通过热图分析法,发现在HCC组织中有31个miRNA表达异常,其中miR-150表达差异最为显著,且与患者预后密切相关。细胞实验上,高表达miR-150可通过调节胰岛素样生长因子2-mRNA结合蛋白2(recombinant insulin like growth factor 2 mRNA binding protein 2,IGF2BP2)的表达显著降低人肝癌细胞株SMMC-7721和HepG2细胞的增殖、迁移和侵袭能力。结论miR-150通过调控IGF2BP2抑制HCC细胞的增殖、迁移和侵袭,为HCC提供了新的治疗靶点。
基金the National Natural Science Foundation of China(Nos.32060734 and 31760650)。
文摘Insulin-like growth factor 2 m RNA-binding protein 2(IGF2 BP2,also called IMP2)plays an essential role in the development and maturation of germ cells and embryos and is a candidate gene for goat litter size,based on a previous genomewide selective sweep analysis.In this study,the m RNA expression level of IGF2 BP2 was found to be significantly higher in a single-lamb group than in a multi-lamb group.Insertions/deletions(indels)within the goat IGF2 BP2 gene,including P4-Ins-13 bp and P5-Del-12 bp,were verified in 918 Shaanbei White Cashmere(SBWC)female goats.The minor allelic frequencies(MAFs)of P4-Ins-13 bp and P5-Del-12 bp loci were 0.349 and 0.295,respectively.Analysis using the Chi-square(χ^(2))test showed that the genotype(χ^(2)=14.479,P=0.006)distribution of P4-Ins-13 bp was significantly different between the single-lamb and multi-lamb groups.Correlation analysis demonstrated that P4-Ins-13 bp was significantly associated with goat litter size(P=0.022),and individual goats with the homozygous deletion/deletion(DD)genotype produced more litters than other goats.Therefore,considered as a potential molecular marker significantly related to lambing traits,the P4-Ins-13 bp mutation of the goat IGF2 BP2 gene can be used in goat breeding with practical molecular marker-assisted selection(MAS)to optimize female reproduction and improve economic efficiency in the goat industry.
