Related Experiment Video
Updated: Aug 13, 2025
09:19
In ovo Expression of MicroRNA in Ventral Chick Midbrain
Published on: September 16, 2013
10.7K
Determining miRNA Expression Patterns in Xenopus.
Marco Antonaci1, Alice M Godden1, Grant N Wheeler2
1School of Biological Sciences, University of East Anglia, Norwich, UK.
Methods in Molecular Biology (Clifton, N.J.)
|January 23, 2023
Summary
This chapter details visualizing microRNAs (miRNAs) in Xenopus embryos using whole-mount in situ hybridization (WISH). Two methods, LNA-WISH and pri-miRNA-WISH, are presented for mature and immature miRNA visualization, respectively.
Area of Science:
- Developmental Biology
- Molecular Biology
- Genetics
Background:
- Whole-mount in situ hybridization (WISH) allows RNA localization in embryos.
- MicroRNAs (miRNAs) are key regulators of gene expression.
- Visualizing miRNAs in vivo is crucial for understanding their function.
Purpose of the Study:
- To describe methods for visualizing miRNAs in Xenopus embryos.
- To present two distinct WISH approaches for miRNA detection.
Main Methods:
- Whole-mount in situ hybridization (WISH) using labeled probes.
- Locked nucleic acid (LNA)-based WISH (LNA-WISH) for mature miRNAs.
- Primary miRNA (pri-miRNA)-WISH for immature miRNAs.
Main Results:
- Successful visualization of mature miRNAs in Xenopus embryos using LNA-WISH.
- Successful visualization of pri-miRNAs in Xenopus embryos using pri-miRNA-WISH.
- Demonstration of spatial and temporal miRNA expression patterns.
Conclusions:
- LNA-WISH and pri-miRNA-WISH are effective for visualizing different miRNA forms in Xenopus.
- These techniques provide insights into miRNA-mediated gene regulation during development.
- The described methods are valuable tools for developmental and molecular biologists.
