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In Vitro Selection of Engineered Transcriptional Repressors for Targeted Epigenetic Silencing
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Published on: May 5, 2023

Engineered chromosomes in transgenics.

Peter Blazso1, Ildiko Sinko, Robert L Katona

  • 1Institute of Genetics, Biological Research Center, Hungarian Academy of Sciences, Szeged, Hungary. blazso@brc.hu

Methods in Molecular Biology (Clifton, N.J.)
|March 25, 2011
PubMed
Summary

Engineered artificial chromosomes offer a precise, efficient method for creating transgenic mice. This advanced gene delivery system enables stable gene expression and large transgene capacity for creating chimeric mice.

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Area of Science:

  • * Biotechnology and genetic engineering.
  • * Developmental biology and stem cell research.

Background:

  • * Transgenic technology has advanced significantly since the 1980s, with improved gene delivery methods.
  • * Traditional vectors like plasmids and viruses have limitations in gene transfer efficiency and capacity.
  • * Artificial chromosomes offer advantages as gene vectors, including large carrying capacity and stable expression.

Purpose of the Study:

  • * To demonstrate a protocol for producing transgenic mouse chimeras using engineered chromosome-bearing embryonic stem cells.
  • * To highlight the utility of engineered chromosomes as non-integrating, stably expressing vectors in eukaryotic cells.

Main Methods:

  • * Establishment of embryonic stem cell lines carrying engineered chromosomes.
  • * Utilization of these engineered chromosome-bearing stem cells for transgenic mouse chimera production.

Main Results:

  • * Successful production of transgenic mouse chimeras using the engineered chromosome delivery system.
  • * Demonstrated the feasibility of using engineered chromosomes for efficient gene transfer and stable expression in embryonic stem cells.

Conclusions:

  • * Engineered chromosomes represent a powerful and versatile tool for transgenesis.
  • * This method provides a robust approach for generating transgenic mouse models with enhanced genetic modification capabilities.