Related Experiment Video
Updated: Jan 10, 2026
09:58
Pharmacological and Functional Genetic Assays to Manipulate Regeneration of the Planarian Dugesia japonica
Published on: August 31, 2011
37.6K
Protocol combining RNA interference and regeneration assays in planarian embryos
Ennis W Deihl1, Clare L T Booth2, Erin L Davies1
1National Cancer Institute Center for Cancer Research, Frederick, MD 21704, USA.
STAR Protocols
|November 22, 2025
Summary
This study introduces a new protocol for studying planarian regeneration in embryos. It combines RNA interference (RNAi) with regeneration assays to investigate gene function during development.
Area of Science:
- Developmental Biology
- Regenerative Medicine
- Genetics
Background:
- Planarians exhibit remarkable regenerative capabilities.
- These abilities are acquired during late embryonic and juvenile development stages.
- Understanding the genetic mechanisms underlying regeneration is crucial.
Purpose of the Study:
- To present a detailed protocol for studying gene function in planarian regeneration.
- To enable gene perturbation using RNA interference (RNAi) in embryonic stages.
- To facilitate regeneration assays in *S. polychroa* embryos.
Main Methods:
- Embryo staging and accurate amputation techniques.
- Double-stranded RNA (dsRNA) soaking for RNA interference (RNAi).
- Phenotype analysis of regenerated tissues in *S. polychroa* embryos.
Main Results:
- The protocol successfully integrates RNAi with regeneration assays in planarian embryos.
- It allows for the investigation of gene function during embryonic development and regeneration.
- The method is adaptable to various embryonic stages and other flatworm species.
Conclusions:
- This protocol provides a valuable tool for studying the genetic basis of planarian regeneration.
- It opens new avenues for research in developmental biology and regenerative medicine.
- The adaptability of the protocol enhances its utility across different flatworm models.
