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In Vitro Selection of Engineered Transcriptional Repressors for Targeted Epigenetic Silencing
JoVE Journal
Biotechnik
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JoVE Journal Biotechnik
In Vitro Selection of Engineered Transcriptional Repressors for Targeted Epigenetic Silencing

In Vitro Selection of Engineered Transcriptional Repressors for Targeted Epigenetic Silencing

DOI:
10.3791/64403-v

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10:44 min

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May 05, 2023

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, , , , , , ,
1San Raffaele Telethon Institute for Gene Therapy (SR-Tiget),IRCCS San Raffaele Scientific Institute, 2Center for Omics Sciences,IRCCS San Raffaele Institute, 3Institute for Biomedical Technologies,National Research Council, 4Vita-Salute San Raffaele University

Kapitel

  • 00:05Introduction
  • 01:34Engineering a Fluorescence-Based Reporter Cell Line
  • 03:10Designing gRNAs for CRISPR/dCas9-Based Epigenetic Silencing of Target Gene
  • 04:13Arrayed Transient Delivery of CRISPR/dCas9-Based ETRs in Reporter Cell Line
  • 07:19Analyzing Transcriptional Activity of Target Gene Over Time
  • 08:11Results: dCas9 ETR-Mediated Epigenetic Silencing of Human B2M Gene by gRNAs
  • 09:23Conclusion

Summary

Automatische Übersetzung

Automatische Übersetzung

Here, we present a protocol for the in vitro selection of engineered transcriptional repressors (ETRs) with high, long-term, stable, on-target silencing efficiency and low genome-wide, off-target activity. This workflow allows for reducing an initial, complex repertoire of candidate ETRs to a short list, suitable for further evaluation in therapeutically relevant settings.

Tags

Epigenetic SilencingGene SilencingArtificial NucleasesEngineered Transcriptional RepressorsChromatin CompactionTranscriptional InhibitionGene DisruptionRNA InterferenceB2M GeneCRISPR Cas9Nucleofection

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