Enhancer function of microRNA-3681 derived from long terminal repeats represses the activity of variable number tandem repeats in the 3’ UTR of SHISA7 = LTR 유래의 마이크로알엔에이 3681의 인핸서 기능이 SHISA7 유전자의 3'UTR 영역에 존재하는 VNTR을 억제시킨다

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Title
Enhancer function of microRNA-3681 derived from long terminal repeats represses the activity of variable number tandem repeats in the 3’ UTR of SHISA7 = LTR 유래의 마이크로알엔에이 3681의 인핸서 기능이 SHISA7 유전자의 3'UTR 영역에 존재하는 VNTR을 억제시킨다
Author(s)
Hee Eun Lee; Sang Je ParkJae Won Huh; H Imai; H S Kim
Bibliographic Citation
Molecules and Cells, vol. 43, no. 7, pp. 607-618
Publication Year
2020
Abstract
MicroRNAs (miRNAs) are non-coding RNA molecules involved in the regulation of gene expression. MiRNAs inhibit gene expression by binding to the 3' untranslated region (UTR) of their target gene. MiRNAs can originate from transposable elements (TEs), which comprise approximately half of the eukaryotic genome and one type of TE, called the long terminal repeat (LTR) is found in class of retrotransposons. Amongst the miRNAs derived from LTR, hsa-miR-3681 was chosen and analyzed using bioinformatics tools and experimental analysis. Studies on hsa-miR-3681 have been scarce and this study provides the relative expression analysis of hsa-miR-3681-5p from humans, chimpanzees, crab-eating monkeys, and mice. Luciferase assay for hsa-miR-3681-5p and its target gene SHISA7 supports our hypothesis that the number of miRNA binding sites affects target gene expression. Especially, the variable number tandem repeat (VNTR) and hsa-miR-3681-5p shares the binding sites in the 3' UTR of SHISA7, which leads the enhancer function of hsa-miR-3681-5p inhibits the activity of VNTR. To conclude, hsa-miR-3681-5p acts as a super-enhancer and the enhancer function of hsa-miR-3681-5p act as a repressor of VNTR activity in the 3' UTR of SHISA7.
Keyword
long terminal repeatmiR-3681-5pSHISA7transposable elementsvariable number tandem repeat
ISSN
1016-8478
Publisher
Korea Soc-Assoc-Inst
DOI
http://dx.doi.org/10.14348/molcells.2020.0058
Type
Article
Appears in Collections:
Ochang Branch Institute > Division of National Bio-Infrastructure > National Primate Research Center > 1. Journal Articles
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