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In vitro micronucleus test of the cardioprotective agent stobadine. A genotoxicological study
Die Pharmazie
|March 1, 1993
Insights
Stobadine showed genotoxic effects in hamster cells at high concentrations. However, stobadine demonstrated no genotoxic impact on human fibroblastoid cells in this in vitro study.
Area of Science:
- Toxicology
- Genetics
- Cell Biology
Background:
- Stobadine is a drug with potential therapeutic applications.
- Assessing the genotoxicity of pharmaceutical compounds is crucial for safety.
- In vitro models are valuable for initial toxicological screening.
Purpose of the Study:
- To evaluate the in vitro genotoxic potential of stobadine.
- To compare the effects of stobadine on different cell types.
Main Methods:
- The micronucleus test was employed for genotoxicity assessment.
- In vitro cultures of hamster and human fibroblastoid cells were utilized.
- Cells were exposed to varying concentrations of stobadine.
Main Results:
- A significant increase in micronuclei was observed in hamster cells at the highest stobadine concentration (1.10(-3) mol/l).
- No significant genotoxic effects were detected in human fibroblastoid cells across all tested concentrations.
- Stobadine did not induce genotoxicity in human cells.
Conclusions:
- Stobadine exhibits concentration-dependent genotoxic effects in hamster cells.
- Stobadine appears to be non-genotoxic to human fibroblastoid cells in vitro.
- Further investigation may be warranted for human safety assessment.
Abstract:
The genotoxic effect of stobadine (1) was studied in vitro using the micronucleus test. Hamster and human fibroblastoid cells were used. In hamster cells, the highest concentration of 1 (1.10(-3) mol/l) caused a significant elevatin in the number of micronuclei, while in human cells no positive response was found for either of the concentrations used. Stobadine had no genotoxic effect on human fibroblastoid cells.