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Functional genomics approach using mice.

Young Hoon Sung1, Jaewhan Song, Han-Woong Lee

  • 1Samsung Biomedical Research Institute and Department of Molecular Cell Biology, Sungkyunkwan University, School of Medicine, Suwon 440-746, Korea.

Journal of Biochemistry and Molecular Biology
|February 6, 2004
PubMed
Summary
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Mouse models are crucial for functional genomics research. Gene targeting and transgenesis are key strategies for understanding gene function in vivo.

Area of Science:

  • Genomics
  • Molecular Biology
  • Animal Models

Background:

  • The mouse genome sequence is well-characterized, enhancing its utility in functional genomics.
  • Understanding gene function in vivo is essential and often achieved through studying mutant animals.

Purpose of the Study:

  • To highlight the importance of mouse models in functional genomics.
  • To discuss various mutagenesis strategies for uncovering gene function.

Main Methods:

  • Random mutagenesis (ENU, gene-trap) for generating mutant mouse stocks.
  • Transgenic technology for designing specific mutations.
  • RNA interference (RNAi) combined with transgenic technology.
  • Gene targeting for definitive in vivo gene function analysis.

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Main Results:

  • Extensive efforts are underway to create large collections of mutant mice.
  • Designed mutations via transgenesis offer precise control over gene function studies.
  • Gene targeting provides unambiguous determination of in vivo gene function.

Conclusions:

  • Mouse functional genomics relies heavily on analyzing mutant phenotypes.
  • Transgenesis and gene targeting are the primary strategies for elucidating in vivo gene roles.