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Corrigendum to “Reproductive cytotoxic and genotoxic impact of polystyrene microplastic on Paracentrotus lividus spermatozoa” [Curr. Res. Toxicol. 22(6) (2024) 100173]
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This is a correction notice for a previously published study on the reproductive toxicity of polystyrene microplastics to sea urchin sperm. The original study found that microplastic exposure can damage sperm cells and genetic material in sea urchins. While this research was on marine animals, it raises broader concerns about how microplastics might affect reproductive health.
[This corrects the article DOI: 10.1016/j.crtox.2024.100173.].
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Reproductive cytotoxic and genotoxic impact of polystyrene microplastic on Paracentrotus lividus spermatozoa
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Researchers exposed sea urchin sperm to polystyrene microplastics and found that the particles reduced sperm viability and movement, caused DNA damage through oxidative stress, and physically stuck to sperm cells, clumping them together. These effects significantly impaired the sperm's ability to fertilize eggs. While this study focused on sea urchins, the reproductive toxicity of microplastics raises broader concerns about how plastic pollution in the environment may threaten fertility across many species, including potentially humans.
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Researchers exposed sea urchin larvae (Paracentrotus lividus) to polystyrene microplastics derived from commercial disposable plates and assessed effects on fertilization, embryogenesis, and larval development, finding significant impairment of early developmental stages at environmentally relevant concentrations.
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Polystyrene and PMMA microplastics of various sizes were tested on sea urchin embryos from fertilization to the pluteus larval stage, causing dose-dependent developmental defects, cytogenetic abnormalities, and mitotic disruption, with sperm exposure to both plastic types also producing transmissible damage to offspring. The findings reveal significant developmental, genotoxic, and multigenerational hazards from microplastic exposure in marine invertebrates.
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