Related Experiment Video
Updated: Aug 15, 2026

Transgenic Rodent Assay for Quantifying Male Germ Cell Mutant Frequency
Published on: August 6, 2014
[Cytogenetic study of the effect of gossypol on mouse germ cells]
Abstract:
The clastogenic and mutagenic activities of a new antifertility and antitumor agent gossypol were studied in the mouse male germ cells. Results of the present work indicate that at the doses 125 and 250 mg/kg the drug does not significantly increase frequencies of the micronuclei in the early spermatids and sperm head abnormalities. Hence, genotoxic influence can not be proposed as responsible for the antifertility effect of gossypol.
Insights
Gossypol, an antifertility and antitumor agent, was evaluated for genotoxicity in mouse male germ cells. The study found no significant increase in micronuclei or sperm abnormalities, suggesting genotoxic influence is not responsible for its antifertility effects.
Area of Science:
- Reproductive toxicology
- Genetics and heredity
- Pharmacology
Context:
- Gossypol is a potential antifertility and antitumor agent.
- Investigating the safety and mechanisms of action of gossypol is crucial.
- Male germ cells are sensitive indicators of genotoxic damage.
Purpose:
- To assess the clastogenic and mutagenic potential of gossypol.
- To determine if gossypol induces DNA damage in mouse male germ cells.
- To elucidate the mechanism behind gossypol's antifertility effects.
Summary:
- Gossypol was administered to mice at doses of 125 and 250 mg/kg.
- Frequencies of micronuclei in early spermatids and sperm head abnormalities were analyzed.
- No significant increase in these genotoxicity markers was observed.
Impact:
- The findings suggest that gossypol's antifertility effects are not mediated by genotoxic mechanisms.
- This research contributes to understanding the safety profile of gossypol.
- Provides a basis for further investigation into gossypol's non-genotoxic antifertility actions.

