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Transgenic animal methodologies and their applications

J W Gordon1, G Harold, Y Leila

  • 1Department of Obstetrics and Gynecology, Mt. Sinai School of Medicine, New York, NY 10029.

Human Cell
|September 1, 1993
PubMed
Summary
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Genetic engineering in mammals has advanced significantly, enabling precise gene modification for research. This transgenic technology allows targeted gene expression and mutagenesis, impacting studies in cancer and aging.

Area of Science:

  • Mammalian genetics
  • Molecular biology
  • Developmental biology

Background:

  • Significant advancements in genetically transforming mammals using totipotent embryonic cells over the last decade.
  • Transgenic technology has profoundly impacted understanding of gene regulation.
  • Established paradigms for genetic engineering in experimental animals and livestock.

Purpose of the Study:

  • Outline the principles of transgenic technology.
  • Provide examples of its application in cancer and aging research.

Main Methods:

  • Genetic transformation of mammals via gene insertion into embryonic cells.
  • Targeted expression of foreign genes (transgenes).
  • Targeted mutagenesis of endogenous mouse genes.

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Main Results:

  • Demonstrated the capacity for precise genetic modification in mammals.
  • Enabled new paradigms in experimental animal and livestock genetic engineering.
  • Facilitated ongoing research in cancer and aging.

Conclusions:

  • Transgenic technology is a powerful tool for biological research.
  • Applications include fundamental studies of gene regulation.
  • Key applications are in disease research, specifically cancer and aging.