GEO series
Noncoding RNA, ncRNA-a3, epigenetically regulates TAL1 transcriptional program during erythropoiesis (RNA-Seq)
GSE272341
Homo sapiens
Expression profiling by high throughput sequencing
13 samples
2025/05/07
GPL24676
Summary
Here, we showed that a long non-coding RNA (lncRNA), ncRNA-a3 that is transcribed from TAL1 erythroid +51kb enhancer, is required for TAL1 activation during EPO-induced lineage commitment and formation of erythroblasts. ncRNA-a3 regulates long-range chromatin interactions between +51 enhancer, promoter and other regulatory elements in the TAL1 locus to maintain the erythroid interaction hub. By binding and recruiting p300/BRG1 to the TAL1 locus ncRNA-a3 facilitates chromatin accessibility in the TAL1 locus and activates TAL1 transcription program, including subsequent epigenetic and transcriptional activation of erythroid specific TAL1 target genes.
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Paper (PMID 40211453) ↗
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