Related Experiment Video
Updated: Aug 1, 2025

Protection of H9c2 Myocardial Cells from Oxidative Stress by Crocetin via PINK1/Parkin Pathway-Mediated Mitophagy
Published on: May 26, 2023
Protective Effects of a Polyphenolic Phytochemical Quercetin against Oxidative Dysfunctions in Rats
Ahmed I Foudah1, Mohammad A Salkini1, Hasan Soliman Yusufoglu2
1Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia.
Background:
Quercetin hastraditionally been used in various oxidative and urinary tract dysfunctions. Thecurrent project is consequently set to evaluate the defensive efficacy ofQuercetin against potassium bromate (KBrO3) induced testiculartissue oxidative dysfunctions through biochemical, hormonal, and genotoxicmarkers.
Methods:
To observe theprotective efficacy of Quercetin against urinogenital oxidative dysfunction inrats, thirty six albino male rats were divided into six groups. Protectiveefficacies of Quercetin were checked on reproductive hormonal levels,antioxidant enzyme activities, lipids peroxidation (LP), and DNA damages.
Results:
Potassium bromate exposure in experimentalanimals caused a reduction in the activities of antioxidant enzymes and disturbedhormonal secretions while enhancing the peroxidation of lipids andfragmentations of DNA. Cotreatment of Quercetin considerably (P<0.01)reversed these abnormalities with admiration to levels of hormones, antioxidantenzymes activities, and peroxidations of lipids secure to those seen inuntreated rats. (P < 0.01).
Conclusion:
The findings of the current project revealedthat various doses of Quercetin are able to keep the testicular organ fromabnormal free radical dysfunctions. These improvements might be due to theantioxidant ability of polyphenolic bioactive constituent, i.e., Quercetin.
Insights
Quercetin protects testicular tissue from oxidative damage caused by potassium bromate. This natural compound, quercetin, reversed harmful effects on antioxidant enzymes, hormones, and DNA, highlighting its therapeutic potential.
Area of Science:
- Biochemistry
- Toxicology
- Reproductive Biology
Background:
- Quercetin is traditionally used for oxidative and urinary tract dysfunctions.
- This study investigates quercetin's protective effects against testicular oxidative stress.
Purpose of the Study:
- To evaluate the efficacy of quercetin in preventing potassium bromate-induced testicular damage.
- To assess quercetin's impact on biochemical, hormonal, and genotoxic markers in testicular tissue.
Main Methods:
- Thirty-six male rats were divided into six groups.
- Quercetin's protective effects were assessed on reproductive hormones, antioxidant enzymes, lipid peroxidation, and DNA damage.
Main Results:
- Potassium bromate exposure reduced antioxidant enzymes and hormonal levels while increasing lipid peroxidation and DNA fragmentation.
- Quercetin treatment significantly reversed these negative effects, restoring normal levels of hormones, antioxidant enzymes, and lipids.
Conclusions:
- Quercetin effectively protects testicular organs from free radical-induced damage.
- The antioxidant properties of quercetin contribute to its protective effects on testicular function.

