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Noncoding RNAs (ncRNAs) control cellular programs by affecting protein-coding genes, but evidence increasingly points to their involvement in a network of ncRNA-ncRNA interactions. Here, we show that a long ncRNA, Uc.283+A, controls pri-miRNA processing. Regulation requires complementarity between the lower stem region of the pri-miR-195 transcript and an ultraconserved sequence in Uc.283+A, which...
Amplification of the EMSY gene in sporadic breast and ovarian cancers is a poor prognostic indicator. Although EMSY has been linked to transcriptional silencing, its mechanism of action is unknown. Here, we report that EMSY acts as an oncogene, causing the transformation of cells in vitro and potentiating tumor formation and metastatic features in vivo. We identify an inverse correlation between EMSY...
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