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Inulin improved endometrial ciliary damage caused by DEHP and nanoplastics co-exposure
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Co-exposure to DEHP (a plasticizer) and nanoplastics in mice significantly damaged endometrial ciliary structure and function, impairing uterine receptivity; inulin supplementation ameliorated these reproductive toxicity effects by restoring ciliary integrity and protecting fertility.
• DEHP and nanoplastics significantly impair endometrial receptivity in mice. • DEHP and NPs co-exposure damages the structure and function of endometrial cilia. • Inulin supplementation ameliorates reproductive toxicity induced by DEHP and nanoplastics. • Inulin enhances ciliary structure and function, protecting fertility against environmental pollutants. The pervasive contamination by Di(2-ethylhexyl) phthalate (DEHP) and nanoplastics (NPs) poses a significant threat to reproductive health, yet the combined effects of these pollutants on endometrial receptivity remain poorly understood. Our study investigates the impact of chronic DEHP and NPs co-exposure on endometrial ciliary function in mice and explores the potential protective role of dietary inulin. Utilizing a multifaceted approach—including transcriptomic analysis, immunohistochemistry, scanning electron microscopy, and immunofluorescence—we reveal that DEHP and NPs synergistically impair endometrial cilia, crucial for embryo implantation. Remarkably, inulin supplementation restores ciliary structure and function, mitigating the detrimental effects of these pollutants. Our findings suggest that dietary interventions could offer a practical strategy to counteract the reproductive toxicity of environmental contaminants, providing new insights into maintaining reproductive health in polluted environments. This research underscores the urgency of addressing environmental pollutants and highlights the potential of inulin as a protective agent against reproductive toxicity.
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Female mice exposed to polystyrene nanoplastics for 90 days before pregnancy had fewer successful pregnancies, smaller pups, and damaged ovaries with reduced egg counts. The nanoplastics disrupted key reproductive hormones and interfered with the uterine process needed for embryo implantation. This study raises concerns that nanoplastic exposure through food and water could harm female fertility and pregnancy outcomes in humans.
Effects of polystyrene nanoplastics on the female reproductive system in mice: Implications for ovarian function and follicular development
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Researchers exposed female mice to polystyrene nanoplastics orally for 29 days and examined the effects on their reproductive systems. They found that nanoplastic exposure disrupted estrous cycles, impaired follicle development, and altered hormone levels in a dose-dependent manner. The study suggests that nanoplastics, due to their extremely small size, may cross biological barriers and accumulate in reproductive tissues, raising concerns about potential effects on fertility.
Microplastics and Nanoplastics: Impacts on Female Reproductive Health, Ovarian Function, and Genitourinary Disorders
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Researchers reviewed evidence showing microplastics and nanoplastics accumulate in ovarian tissue, follicular fluid, and the female genitourinary tract, where they trigger oxidative stress, endocrine disruption, and inflammation linked to reduced fertility, hormonal imbalance, and elevated risk of endometriosis.
A review of the impact of micro‐ and nanoplastics on female reproduction: What we know and gaps in knowledge
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This review examines what is known about how micro- and nanoplastics affect female reproductive health. Animal studies show these particles accumulate in ovarian tissue, disrupt hormones, and cause oxidative stress, leading to hormonal imbalances and ovarian damage, though research in humans is still limited.
Concerning influences of micro/nano plastics on female reproductive health: focusing on cellular and molecular pathways from animal models to human studies
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This review summarizes research showing that micro- and nanoplastics can harm the female reproductive system in multiple ways, from reducing ovarian reserves and disrupting hormone balance to accumulating in the placenta and breast milk. Animal studies show these particles trigger oxidative stress and inflammation in reproductive tissues, and human studies have confirmed their presence in placental tissue and infant feces, raising concerns about effects on fertility and fetal development.
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