alexa Highly efficient miRNA-mediated reprogramming of mouse and human somatic cells to pluripotency.
Biomedical Sciences

Biomedical Sciences

Biology and Medicine

Author(s): AnokyeDanso F, Trivedi CM, Juhr D, Gupta M, Cui Z,

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Abstract Transcription factor-based cellular reprogramming has opened the way to converting somatic cells to a pluripotent state, but has faced limitations resulting from the requirement for transcription factors and the relative inefficiency of the process. We show here that expression of the miR302/367 cluster rapidly and efficiently reprograms mouse and human somatic cells to an iPSC state without a requirement for exogenous transcription factors. This miRNA-based reprogramming approach is two orders of magnitude more efficient than standard Oct4/Sox2/Klf4/Myc-mediated methods. Mouse and human miR302/367 iPSCs display similar characteristics to Oct4/Sox2/Klf4/Myc-iPSCs, including pluripotency marker expression, teratoma formation, and, for mouse cells, chimera contribution and germline contribution. We found that miR367 expression is required for miR302/367-mediated reprogramming and activates Oct4 gene expression, and that suppression of Hdac2 is also required. Thus, our data show that miRNA and Hdac-mediated pathways can cooperate in a powerful way to reprogram somatic cells to pluripotency. Copyright © 2011 Elsevier Inc. All rights reserved.
This article was published in Cell Stem Cell and referenced in Biology and Medicine

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