A zebrafish cell culture assay for the identification of microRNA targets.
A zebrafish cell culture assay for the identification of microRNA targets.
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DOI:
10.1089/zeb.2010.0674
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发表时间:
2010-12
期刊:
影响因子:
2
通讯作者:
Collodi P
中科院分区:
文献类型:
--
作者:
Liu W;Guan Y;Collodi P
MicroRNAs (miRNAs) are endogenous small non-coding RNAs that regulate gene expression at the posttranscriptional level. Studies have shown that zebrafish miRNAs play a key role in embryo development, tissue fate establishment and differentiation by interacting with specific targets, usually in the 3’UTR of the mRNA. Identification of the target sequence is fundamental to elucidating miRNA function. Since bioinformatics can predict hundreds of potential targets for each miRNA, experimental validation of the actual target site is required. Although recent studies have employed the HEK293 cell line to investigate mammalian miRNA targets, our results have shown that the cell line is not suitable for studies of zebrafish miR-430b miRNA. In this paper we describe a convenient in vitro assay system that involves the use of zebrafish cell cultures and a luciferase reporter contruct to evaluate miR-430b target sites. The cell culture-based assay could be used to validate target sequences of other zebrafish miRNAs.
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