Article
Long noncoding RNA-mediated intrachromosomal interactions promote imprinting at the Kcnq1 locus.
The Journal of cell biology - 6 Jan 2014
Zhang He, Zeitz Michael J, Wang Hong, Niu Beibei, Ge Shengfang, Li Wei, Cui Jiuwei, Wang Guanjun, Qian Guanxiang, Higgins Michael J, Fan Xianqun, Hoffman Andrew R, Hu Ji-Fan
Abstract excerpt
Kcnq1ot1 is a long noncoding ribonucleic acid (RNA; lncRNA) that participates in the regulation of genes within the Kcnq1 imprinting domain. Using a novel RNA-guided chromatin conformation capture method, we demonstrate that the 5' region of Kcnq1ot1 RNA orchestrates a long-range intrachromosomal loop between KvDMR1 and the Kcnq1 promoter that is required for maintenance of imprinting. PRC2 (polycomb repressive...
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