Cited by 656CRISPR and Genetic EngineeringGenomics and Chromatin DynamicsEpigenetics and DNA Methylation

Functional annotation of native enhancers with a Cas9–histone demethylase fusion

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Kearns, Nicola A, Pham, Hannah, Tabak, Barbara, Genga, Ryan M, Silverstein, Noah J, Garber, Manuel, Maehr, René·2015·Nature Methods

Abstract

Understanding of mammalian enhancers is limited by the lack of a technology to rapidly and thoroughly test the cell type-specific function. Here, we use a nuclease-deficient Cas9 (dCas9)-histone demethylase fusion to functionally characterize previously described and new enhancer elements for their roles in the embryonic stem cell state. Further, we distinguish the mechanism of action of dCas9-LSD1 at enhancers from previous dCas9-effectors.

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  • Additional dCas9-tethered domains have been shown to disrupt enhancer activity.

    “Additional dCas9-tethered domains have been shown to disrupt enhancer activity (e.g. histone demethylase LSD1210, histone deacetylase 3211, and DNA methylators MQ212 or DNMT3A213-215), and could potentially be adapted to large-scale screens.”
  • dCas9-KRAB does not specifically inactivate enhancers; it inhibits transcription at both promoters and enhancers.

    “dCas9-KRAB does not specifically inactivate enhancers, but rather inhibits transcriptional activity both at promoters and enhancers35.”
  • dCas9 fusion proteins-mediated CRISPRi, such as dCas9-KRAB and dCas9-LSD1, has been introduced.

    “Most recently, dCas9 fusion proteins-mediated CRISPRi, such as dCas9-KRAB (Krüppel-associated box) and dCas9-LSD1 (lysine-specific histone demethylase 1) system, has been introduced [125–127].”

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Authors
Kearns, N. A., Pham, H., Tabak, B., Genga, R. M., Silverstein, N. J., Garber, M., & Maehr, R.
Affiliations
University of Massachusetts Chan Medical School (US)
Corresponding author
Maehr, René
Venue
Nature Methods
Published
2015-03-16
Volume
12
Issue
5
Pages
401-403
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2055790209
Cited by
656
References
32
Citations by year
2026: 26 · 2025: 31 · 2024: 48 · 2023: 39 · 2022: 56 · 2021: 62 · 2020: 61 · 2019: 73 · 2018: 86 · 2017: 72 · 2016: 71 · 2015: 30 · 2014: 1
FWCI
37.47
Type
journal article
Language
en
Open access
Locations
  • Nature Methods (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship@UMassChan (submittedVersion)
Funders
  • National Institutes of Health (1uc4dk104218-01)
  • National Human Genome Research Institute (U01HG007910)
  • National Institute of Allergy and Infectious Diseases (R21AI119885, R56AI114525)
  • National Institute of Diabetes and Digestive and Kidney Diseases (UC4-DK-104218)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD080224)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
enhancers, dCas9, histone demethylase, LSD1, epigenetic modifications, enhancer function, embryonic stem cells, CRISPR/Cas9 genome editing
MeSH terms
Animals, Bacterial Proteins, Cells, Cultured, Enhancer Elements, Genetic, Histones, Neisseria meningitidis, Recombinant Proteins, Gene Expression Regulation, Enzymologic, Genes, Reporter, Mice, Caspase 9, Embryonic Stem Cells, Histone Demethylases

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