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Small RNA sequencing reveals dlk1-dio3 locus-embedded microRNAs as major drivers of ground-state pluripotency
, Article Stem Cell Reports ; Volume 9, Issue 6 , 2017 , Pages 2081-2096 ; 22136711 (ISSN) ; Sharifi Zarchi, A ; Ahmadi, A ; Mollamohammadi, S ; Stubenvoll, A ; Günther, S ; Hosseini Salekdeh, G ; Asgari, S ; Braun, T ; Baharvand, H ; Sharif University of Technology
Abstract
Ground-state pluripotency is a cell state in which pluripotency is established and maintained through efficient repression of endogenous differentiation pathways. Self-renewal and pluripotency of embryonic stem cells (ESCs) are influenced by ESC-associated microRNAs (miRNAs). Here, we provide a comprehensive assessment of the “miRNome” of ESCs cultured under conditions favoring ground-state pluripotency. We found that ground-state ESCs express a distinct set of miRNAs compared with ESCs grown in serum. Interestingly, most “ground-state miRNAs” are encoded by an imprinted region on chromosome 12 within the Dlk1-Dio3 locus. Functional analysis revealed that ground-state miRNAs embedded in the...