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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Pattern-based Search of Epigenomic Data Using GeNemo
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Generation of TALE-Based Designer Epigenome Modifiers.

Sandra Nitsch1, Claudio Mussolino2

  • 1Institute for Cell and Gene Therapy & Center for Chronic Immunodeficiency, Medical Center-University of Freiburg, Freiburg, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|March 11, 2018
PubMed
Summary
This summary is machine-generated.

Researchers developed TALE-based epigenome modifiers for precise gene expression control. This method alters epigenetic marks without changing DNA sequence, offering reversible gene regulation and easy monitoring via a reporter cell line.

Keywords:
DNA methylationDesigner epigenome modifiersEpigenome editingGene silencingTranscription activator-like effectorsTranscriptome editing

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Area of Science:

  • Molecular Biology
  • Epigenetics
  • Gene Regulation

Background:

  • Gene expression manipulation is crucial in biological research and therapeutics.
  • Traditional genome editing uses nucleases to alter DNA sequences, potentially causing permanent changes.
  • Epigenome editing offers a reversible approach to control gene expression without DNA modification.

Purpose of the Study:

  • To describe the generation of TALE-based designer epigenome modifiers.
  • To present a reporter cell line for easy monitoring of epigenome modifier activity.
  • To enable precise control over gene expression through targeted epigenetic modifications.

Main Methods:

  • Utilizing transcription activator-like effectors (TALEs) for specific DNA-binding domains (DBDs).
  • Combining TALE-derived DBDs with epigenetic modifier domains.
  • Developing a reporter cell line to visualize and quantify epigenome editing outcomes.

Main Results:

  • Successfully generated TALE-based designer epigenome modifiers.
  • Demonstrated the ability to induce specific epigenetic changes at target gene loci.
  • Validated the reporter cell line for efficient monitoring of gene expression modulation.

Conclusions:

  • TALE-based epigenome modifiers provide a powerful tool for precise and reversible gene expression control.
  • This technology allows for targeted alterations of the epigenetic landscape.
  • The developed system facilitates the study and application of epigenome editing.