ArticleAntioxidants (Basel, Switzerland)2024
Exploring the Epigenetic Landscape of Spermatozoa: Impact of Oxidative Stress and Antioxidant Supplementation on DNA Methylation and Hydroxymethylation.
Article in Antioxidants (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Oxidative Stress and Male Infertility: A Critical Analysis of Current Diagnostic and Therapeutic Methods.Antioxidants (Basel, Switzerland) · 2026Review
- Quercetin ameliorates nicotine-induced spermatogenesis damage via modulation of sperm miR-151a-5p and testicular Cep72 gene expression.Basic and clinical andrology · 2025Article
- Redox-Driven Epigenetic Modifications in Sperm: Unraveling Paternal Influences on Embryo Development and Transgenerational Health.Antioxidants (Basel, Switzerland) · 2025Review
- Therapy to teratology: chronic paternal antioxidant supplementation alters offspring placental architecture and craniofacial morphogenesis in a mouse model.Frontiers in cell and developmental biology · 2025Article
- Redox Imbalance in Male Infertility: From Empirical Antioxidant Therapy to Precision Medicine and Epigenetic Insights.Reproductive medicine and biologyReview
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Reproductive success is dependent on gamete integrity, and oxidative stress alters male nuclei, meaning that no DNA repair is possible due to chromatin compaction. The composition of sperm makes it highly sensitive to reactive oxygen species (ROS) but, at the same time, ROS are needed for sperm physiology. Over the past 30 years, much attention has been paid to the consequences of oxidative stress on sperm properties and the protective effects of antioxidant formulations to help fertility. Spermatozoa also carry epigenetic marks, critical for embryo development and the health of offspring. As DNA oxidative damage may disturb the sperm epigenome, we used an established mouse model of post-testicular sperm DNA oxidation to investigate sperm DNA methylation and hydroxymethylation. We also analyzed the potential corrective effect of oral antioxidant supplementation, proven to reduce sperm DNA oxidative damage, on sperm DNA methyl/hydroxymethyl marks. We show that sperm DNA oxidation is associated with a significant increase in overall hydroxymethylation. Oral antioxidant supplementation led to unexpected mild epigenetic changes. Antioxidant supplementation should not be proposed without proper clinical evaluation as it may alter sperm epigenetic marks, leading to a risk of paternally inherited epigenetic alterations.
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Registered trials
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