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Research: JITENDER and COLLEAGUES,
Listed in Issue 284
Abstract
JITENDER and COLLEAGUES, 1 Department of Zoology, Reproductive Physiology Laboratory, Kurukshetra University, Kurukshetra, Haryana, India assessed Glyphosate (GLP) toxicity and mitigating effects of vitamins C and E upon mammalian fertility
Background
Pesticides are known to cause a wide range of reproductive problems that possess degenerative effects on mammalian fertility. Glyphosate (GLP), a broad-spectrum organophosphate herbicide, is known to be a potent mammalian toxicant.
Methodology
The present study aims at assessing the GLP-induced (0.1, 2.0, and 4.0 mg/ml) granulosa cells toxicity and evaluating the mitigating effects of vitamins C and E (0.5 mM and 1.0 mM) in healthy caprine antral follicles, cultured in vitro in a dose- and time-dependent manner (24, 48, and 72 hr) and subjected to various cytotoxic and geno-toxic analysis, namely, classic histology, EB/AO differential staining, oxidative stress parameters, and antioxidant enzymatic activity.
Results
The histomorphological analysis and EB/AO staining elucidated increase in the incidence of apoptotic attributes within granulosa cells with increasing dose and duration of the GLP treatment. The highest apoptotic frequency was observed at 4.0 mg/ml GLP after 72-hr exposure duration in comparison with the control. GLP exposure also led to a significant decline in the antioxidant enzymes' activity, namely, SOD, catalase, and GST along with enhanced lipid peroxidation and reduced FRAP activity in a dose- and time-dependent manner.
Conclusion
Vitamins C and E supplementation decreased oxidative stress-mediated granulosa cells apoptosis, suggesting its efficiency to diminish GLP-mediated GCs cytotoxicity and thereby, preventing associated fertility disorders.
References
Jitender Kumar Bhardwaj 1 , Meenu Mittal 1 , Priyanka Saraf 1. Effective attenuation of glyphosate-induced oxidative stress and granulosa cell apoptosis by vitamins C and E in caprines. Mol Reprod Dev; 86(1):42-52. doi: 10.1002/mrd.23084. Epub 2018 Nov 26. Jan 2019.
