Xie Bingning, Dean Ann
Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
Genes (Basel). 2025 Mar 28;16(4):389. doi: 10.3390/genes16040389.
: Enhancer RNAs (eRNAs) function in diverse modes and increasing studies have shown that they play important roles in normal development and disease. However, their role in erythropoiesis is not fully understood. : We analyzed published RNA-seq and Promoter Capture Hi-C data from mouse E14.5 fetal liver cells to identify enhancer RNAs in erythroid cells with long-range interactions. : We discovered an erythroid-specific enhancer RNA () transcribed from an enhancer region upstream of , an enzyme important for heme synthesis. is important for erythropoiesis, as the knockdown of by shRNA results in impaired enucleation and cell proliferation during terminal differentiation. interacts with cohesin and acts both and to regulate erythroid genes. : we have identified a eRNA, , as a potential regulator of terminal erythropoiesis.
增强子RNA(eRNAs)以多种方式发挥作用,越来越多的研究表明它们在正常发育和疾病中起重要作用。然而,它们在红细胞生成中的作用尚未完全了解。
我们分析了来自小鼠E14.5胎儿肝细胞的已发表的RNA测序和启动子捕获Hi-C数据,以鉴定具有长程相互作用的红细胞中的增强子RNA。
我们发现了一种红细胞特异性增强子RNA(),它是从对血红素合成很重要的一种酶()上游的增强子区域转录而来的。 对红细胞生成很重要,因为通过shRNA敲低会导致终末分化过程中去核和细胞增殖受损。 与黏连蛋白相互作用,并在 和 中发挥作用以调节红细胞基因。
我们已经鉴定出一种eRNA, ,作为终末红细胞生成的潜在调节因子。