4.7 Article

Protective effects of lycopene against zearalenone-induced reproductive toxicity in early pregnancy through anti-inflammatory, antioxidant and anti-apoptotic effects

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FOOD AND CHEMICAL TOXICOLOGY
卷 179, 期 -, 页码 -

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PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2023.113936

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Zearalenone; Lycopene; Reproductive hormones; Oxidative markers; Inflammatory markers; Apoptosis

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This study found that lycopene can protect the uterus from damage caused by zearalenone and improve pregnancy outcomes. Lycopene reduces oxidative stress and inflammation by its antioxidant and anti-inflammatory effects, as well as improves uterine cell proliferation and apoptosis. These findings suggest that lycopene could be a potential new drug for the prevention or treatment of zearalenone-induced reproductive toxicity.
Zearalenone is a mycotoxin that is widely present in feed and raw materials and can cause severe reproductive toxicity. Lycopene is a natural carotenoid with antioxidant and anti-inflammatory pharmacological effects, but the protective effects of lycopene against zearalenone-induced uterine damage have not been reported. The aim of this study was to investigate the protective effect of lycopene treatment in early pregnancy on zearalenoneinduced uterine damage and pregnancy impairment and its mechanism. Reproductive toxicity was induced by consecutive gavages of zearalenone at 5 mg/kg body weight during gestational days (GDs) 0-10 and in the presence or absence of oral administration of lycopene (20 mg/kg BW). The results showed that lycopene may alleviate zearalenone-induced pathological uterine histological damage and disturbances in oestradiol (E2), follicle-stimulating hormone (FSH), progesterone (P) and luteinizing hormone (LH) secretion. Lycopene increased superoxide dismutase (SOD) activity and decreased malondialdehyde (MDA) production, providing protection against zearalenone-induced oxidative stress in the uterus. Additionally, lycopene significantly reduced levels of pro-inflammatory cytokines, including interleukin 18 (IL-18), interleukin 6 (IL-6) and tumor necrosis factor-& alpha; (TNF-& alpha;), and elevated levels of the anti-inflammatory factor interleukin 10 (IL-10), inhibiting the zearalenone-induced inflammatory response. In addition, lycopene improved the homeostasis of uterine cell proliferation and death via the mitochondrial apoptosis pathway. These data provide strong evidence that lycopene can be further developed into a potential new drug for the prevention or treatment of zearalenoneinduced reproductive toxicity.

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