Related Experiment Video
Updated: Jul 15, 2026
11:29
Technique to Target Microinjection to the Developing Xenopus Kidney
Published on: May 3, 2016
Microinjection and electroporation of embryonic kidney explants: an improved method
T M Alie1, P J Vrljicak, D B Myburgh
1Department of Pediatrics, Montreal Children's Hospital Research Institute, McGill University, Montreal, Quebec, Canada.
Kidney International
|May 15, 2007
Summary
Optimized microinjection and electroporation techniques enhance gene expression 10-fold in mouse embryonic kidney explants for up to 96 hours. This improved method offers minimal toxicity and targeted delivery, advancing kidney development research.
Area of Science:
- Developmental Biology
- Molecular Biology
- Genetics
Background:
- Embryonic kidney explants are crucial for studying kidney development.
- High-level, prolonged transgene expression is a key technical challenge.
- Current methods adapted from chick models use low voltage and long pulse times.
Purpose of the Study:
- To optimize microinjection and electroporation for enhanced transgene expression in mouse embryonic kidney explants.
- To investigate the impact of voltage and pulse duration on gene delivery efficiency and toxicity.
- To enable targeted gene expression in specific kidney progenitor populations.
Main Methods:
- Utilized microinjection and electroporation on mouse embryonic kidney explants.
- Investigated the effects of high voltage and short pulse duration.
- Modified microinjection sites to target ureteric bud and metanephric mesenchyme.
- Assessed gene expression levels and cellular toxicity over 96 hours.
Main Results:
- High voltage with short pulse time significantly enhanced gene expression (10-fold increase).
- The optimized protocol maintained high expression levels for 96 hours with minimal toxicity.
- Targeted microinjection successfully delivered genes to the ureteric bud or metanephric mesenchyme.
Conclusions:
- High-voltage, short-pulse electroporation is superior for mouse kidney explants compared to chick protocols.
- This optimized method provides a more effective tool for studying gene function in kidney development.
- Targeted delivery enhances the precision of genetic manipulation in embryonic kidney research.
