Related Experiment Video
Updated: Jul 20, 2026
The Lambda Select cII Mutation Detection System
Published on: April 26, 2018
Randomly amplified polymorphic DNA as a tool for genotoxicity: an assessment
Sanjeev Noel1, Srikanta Kumar Rath
1Division of Toxicology, Central Drug Research Institute, MG Marg, Lucknow India.
Abstract:
Novel short-term assays are required to substantiate the battery of assessment methods for evaluating the genotoxicity of candidate drugs. In this study, an attempt has been made to evaluate randomly amplified polymorphic DNA (RAPD) analysis for its potential to establish genotoxic effect of a known genotoxicant, ie, ethyl methanesulfonate (EMS) in Swiss mice (Mus musculus). Based on the RAPD profiles, genetic damages were detected in EMS-exposed animals, suggesting its usefulness in scanning whole genome for assessing the genotoxic effects of candidate drugs. The profiles were generated using genomic DNA, isolated from liver prior to treatment and from liver, bone marrow and blood after treatment of the genotoxicant. Measurable differences indicative of genetic damages were observed when the pre- and post-treatment profiles were compared. This suggests that RAPD analysis may be useful for assessing the pre-clinical genotoxic effects of candidate drugs.
Insights
Randomly amplified polymorphic DNA (RAPD) analysis detected genetic damage in mice exposed to ethyl methanesulfonate (EMS). This method shows promise for evaluating drug genotoxicity during preclinical development.
Area of Science:
- Genomics
- Toxicology
- Biotechnology
Background:
- Novel short-term assays are crucial for drug genotoxicity assessment.
- Existing methods require complementary techniques for comprehensive evaluation.
Purpose of the Study:
- To evaluate randomly amplified polymorphic DNA (RAPD) analysis for genotoxicity assessment.
- To determine if RAPD can detect genetic damage induced by a known genotoxicant.
Main Methods:
- Genomic DNA was isolated from liver, bone marrow, and blood of Swiss mice.
- DNA samples were analyzed using RAPD profiling before and after exposure to ethyl methanesulfonate (EMS).
- RAPD profiles were compared to detect genetic variations indicative of damage.
Main Results:
- EMS exposure induced measurable differences in RAPD profiles, indicating genetic damage.
- RAPD analysis successfully detected genotoxic effects in treated animals.
- Genetic damage was observed across different tissue types post-treatment.
Conclusions:
- RAPD analysis is a valuable tool for scanning the whole genome to assess genotoxic effects.
- This method shows potential for evaluating the preclinical genotoxic effects of candidate drugs.
- RAPD analysis can serve as a useful addition to the battery of genotoxicity testing methods.
More Related Videos
10:41Wild-type Blocking PCR Combined with Direct Sequencing as a Highly Sensitive Method for Detection of Low-Frequency Somatic Mutations
Published on: March 29, 2017
08:23Single Droplet Digital Polymerase Chain Reaction for Comprehensive and Simultaneous Detection of Mutations in Hotspot Regions
Published on: September 25, 2018
