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CRISPR-Induced Expression of N-Terminally Truncated Dicer in Mouse Cells
R. Malik, P. Svoboda
Language English Country Switzerland
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
Free Medical Journals
from 2010
PubMed Central
from 2010
Europe PubMed Central
from 2010
ProQuest Central
from 2010-03-01
Open Access Digital Library
from 2010-01-01
Open Access Digital Library
from 2010-01-01
ROAD: Directory of Open Access Scholarly Resources
from 2010
PubMed
33918028
DOI
10.3390/genes12040540
Knihovny.cz E-resources
- MeSH
- 3T3 Cells MeSH
- DEAD-box RNA Helicases antagonists & inhibitors genetics MeSH
- Embryonic Stem Cells cytology metabolism MeSH
- RNA, Small Interfering genetics MeSH
- Mice MeSH
- Promoter Regions, Genetic * MeSH
- Ribonuclease III antagonists & inhibitors genetics MeSH
- RNA Interference MeSH
- Clustered Regularly Interspaced Short Palindromic Repeats * MeSH
- Animals MeSH
- Check Tag
- Mice MeSH
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
RNA interference (RNAi) designates sequence-specific mRNA degradation mediated by small RNAs generated from long double-stranded RNA (dsRNA) by RNase III Dicer. RNAi appears inactive in mammalian cells except for mouse oocytes, where high RNAi activity exists because of an N-terminally truncated Dicer isoform, denoted DicerO. DicerO processes dsRNA into small RNAs more efficiently than the full-length Dicer expressed in somatic cells. DicerO is expressed from an oocyte-specific promoter of retrotransposon origin, which is silenced in other cell types. In this work, we evaluated CRISPR-based strategies for epigenetic targeting of the endogenous Dicer gene to restore DicerO expression and, consequently, RNAi. We show that reactivation of DicerO expression can be achieved in mouse embryonic stem cells, but it is not sufficient to establish a robust canonical RNAi response.
References provided by Crossref.org
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