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Inducible gene targeting in mice using the Cre/lox system
1Laboratory of Biochemistry and Metabolism, National Institute of Diabetes, Digestive and Kidney Disease, Bethesda, Maryland 20892-1800, USA. saverb@helix.nih.gov
Methods (San Diego, Calif.)
|June 3, 1998
Summary
Precise genetic modifications in mice are now possible using advanced molecular techniques and Cre recombinase. These tools enable targeted gene control for better understanding of development and disease models.
Area of Science:
- Genetics
- Molecular Biology
- Developmental Biology
Background:
- Modern molecular techniques allow for precise genetic engineering in mice.
- Understanding gene function in development and disease requires sophisticated genetic tools.
Purpose of the Study:
- To highlight the utility of Cre site-specific DNA recombinase for genetic modifications in mice.
- To discuss the potential of recombination-based strategies for developmental biology and disease modeling.
Main Methods:
- Engineering defined nucleotide changes in the mouse genome.
- Designing genetic switches for temporal and tissue-specific gene expression or ablation.
- Utilizing Cre recombinase for precise DNA rearrangements.
- Employing inducible systems to control Cre expression.
Main Results:
- Cre recombinase facilitates efficient and straightforward generation of precise DNA rearrangements and genetic switches.
- Genetic switches can be designed for targeted gene manipulation in specific tissues and at defined times.
- These methods accelerate the creation of gene-modified animals.
Conclusions:
- Cre recombinase is a powerful tool for genetic modification in mice.
- Recombination-based strategies, especially with inducible systems, will significantly advance developmental biology.
- These techniques are crucial for generating accurate animal models of human diseases.