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Using TARGATT™ Technology to Generate Site-Specific Transgenic Mice.

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Summary

A new integrase-based method, TARGATT™, enables efficient, site-specific gene insertion in mice. This advanced transgenic technology accelerates research for dissecting gene function and regulation in vivo.

Keywords:
H11 locusPhiC31 integrasePronuclear microinjectionRosa26 knockinSite-specific transgenicTARGATT™attBattP

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Area of Science:

  • Genetics
  • Molecular Biology
  • Transgenic Technology

Background:

  • Traditional random transgenesis methods have limitations.
  • Gene editing tools have advanced transgenic approaches.
  • Site-specific transgenesis offers improved precision.

Purpose of the Study:

  • To describe protocols for an integrase-based, site-specific transgenesis system.
  • To enable efficient generation of transgenic mice with single-copy transgene insertion.
  • To facilitate precise gene function and regulation studies in vivo.

Main Methods:

  • Utilizes an integrase-based approach (TARGATT™).
  • Employs pronuclear microinjection for transgene insertion.
  • Targets a predetermined chromosomal locus for site-specific integration.

Main Results:

  • Achieves high efficiency (up to 40%) of site-specific transgene insertion.
  • Ensures faithful transmission of the transgene through generations.
  • Enables tunable transgene expression (global, tissue-specific, or inducible).

Conclusions:

  • The TARGATT™ system significantly advances murine transgenesis.
  • This method facilitates rapid generation of site-specific transgenic mice (as fast as 3 months).
  • It provides a powerful tool for in vivo mammalian gene function and regulation studies.