2020
DOI: 10.1098/rstb.2019.0346
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sRNA/L1 retrotransposition: using siRNAs and miRNAs to expand the applications of the cell culture-based LINE-1 retrotransposition assay

Abstract: The cell culture-based retrotransposition reporter assay has been (and is) an essential tool for the study of vertebrate Long INterspersed Elements (LINEs). Developed more than 20 years ago, this assay has been instrumental in characterizing the role of LINE-encoded proteins in retrotransposition, understanding how ribonucleoprotein particles are formed, how host factors regulate LINE mobilization, etc. Moreover, variations of the conventional assay have been developed to investigate the biology of other curre… Show more

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Cited by 9 publications
(7 citation statements)
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“…Let-7 regulates human LINE-1 retrotransposition in vitro. To investigate whether there is a causal relationship between the variation in let-7 and miR-34 expression levels and the accumulation of L1 insertions in tumors, we tested the effect of these miRNAs on L1 mobilization using the sRNA/L1 retrotransposition assay, recently developed in our lab 56 . This protocol combines the previously described cell culture-based LINE-1 retrotransposition reporter assay (reviewed in 2 ) with miRNA mimics or inhibitors.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Let-7 regulates human LINE-1 retrotransposition in vitro. To investigate whether there is a causal relationship between the variation in let-7 and miR-34 expression levels and the accumulation of L1 insertions in tumors, we tested the effect of these miRNAs on L1 mobilization using the sRNA/L1 retrotransposition assay, recently developed in our lab 56 . This protocol combines the previously described cell culture-based LINE-1 retrotransposition reporter assay (reviewed in 2 ) with miRNA mimics or inhibitors.…”
Section: Resultsmentioning
confidence: 99%
“…Retrotransposition assays. Modified versions of previously established L1 retrotransposition assays [80][81][82][83] were performed and are described below 56 . In the Neo/ Blast assays, 2 × 10 5 HeLa JVM cells were plated in 6-well tissue culture plates.…”
Section: Methodsmentioning
confidence: 99%
“…Modified versions of previously established L1 retrotransposition assays [84][85][86][87] were performed and are described below 59 . In the Neo/Blast assays, Luciferase retrotransposition assays were performed as described 87 Binding site mutant rh was generated using an established protocol .…”
Section: Retrotransposition Assaysmentioning
confidence: 99%
“…Burns and colleagues [28] report one such method to profile new LINE-1 insertions in single cells. Retrotransposition assays in cell culture are useful tools to study transposon replication, and García-Pérez and colleagues [29] now combine this technology with the use of small RNAs to gain new insights into the regulation of retrotransposition. Finally, mutant models with disrupted transposon silencing pathways can be valuable experimental tools for discovering new transposons, and Panaud and colleagues [30] report one such line in rice.…”
Section: Specialized Tools For Te Researchmentioning
confidence: 99%