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Application of TALE-Based Approach for Dissecting Functional MicroRNA-302/367 in Cellular Reprogramming



Application of TALE-Based Approach for Dissecting Functional MicroRNA-302/367 in Cellular Reprogramming



Methods in Molecular Biology 1733: 255-263



MicroRNAs are small 18-24 nt single-stranded noncoding RNA molecules involved in many biological processes, including stemness maintenance and cellular reprogramming. Current methods used in loss-of-function studies of microRNAs have several limitations. Here, we describe a new approach for dissecting miR-302/367 functions by transcription activator-like effectors (TALEs), which are natural effector proteins secreted by Xanthomonas and Ralstonia bacteria. Knockdown of the miR-302/367 cluster uses the Kruppel-associated box repressor domain fused with specific TALEs designed to bind the miR-302/367 cluster promoter. Knockout of the miR-302/367 cluster uses two pairs of TALE nucleases (TALENs) to delete the miR-302/367 cluster in human primary cells. Together, both TALE-based transcriptional repressor and TALENs are two promising approaches for loss-of-function studies of microRNA cluster in human primary cells.

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Accession: 048993037

Download citation: RISBibTeXText

PMID: 29435939

DOI: 10.1007/978-1-4939-7601-0_21


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