Related Experiment Video
Updated: Mar 14, 2026
12:56
An Automated Method to Perform The In Vitro Micronucleus Assay using Multispectral Imaging Flow Cytometry
Published on: May 13, 2019
23.4K
RENEB intercomparison exercises analyzing micronuclei (Cytokinesis-block Micronucleus Assay)
Julie Depuydt1, Ans Baeyens2, Stephen Barnard3
1a Faculty of Medicine and Health Sciences , Ghent University , Gent , Belgium.
International Journal of Radiation Biology
|September 28, 2016
Summary
The cytokinesis-block micronucleus assay effectively estimates radiation doses in emergencies. Intercomparison exercises showed good agreement, especially with semi-automated methods, validating its use in a large biodosimetry network.
Area of Science:
- Radiation biology
- Genetics
- Public health
Background:
- The Realizing the European Network of Biodosimetry (RENEB) project aims to establish a robust biodosimetry network.
- Effective radiation dose assessment is crucial for emergency triage and response.
Purpose of the Study:
- To assess the suitability of an optimized cytokinesis-block micronucleus assay.
- To evaluate the capacity of a large laboratory network for radiation biodosimetry in emergencies.
Main Methods:
- Two intercomparison exercises involving 12-16 European laboratories.
- Participants cultured irradiated blood samples and performed micronucleus analysis (automated, semi-automated, manual).
- Blind dose estimates were provided and compared to administered doses.
Main Results:
- Dose estimates generally agreed well with administered doses.
- Highest accuracy was observed for lower doses (≤ 0.94 Gy).
- Semi-automated methods yielded higher accuracy; acceptable estimates improved in the second exercise.
Conclusions:
- The micronucleus assay is a valuable tool for large-scale radiation emergency biodosimetry.
- The assay can be successfully implemented within a broad network of laboratories.
- Network intercomparisons are essential for validating biodosimetry capacity.
