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Li, Xiu-Wen; Qiu, Feng; Liu, Yi; Chen, Li-Jian; Li, Jia-Hao; Liu, Jia-Li; Yang, Jian-Zheng; HSU, Clare; Chen, Long; Zeng, Jia-Hao; Xie, Xiao-Li; Wang, Qi
Ecotoxicology and environmental safety, 10/2023, Letnik: 264Journal Article
Organophosphorus flame retardants (OPFRs), including 2-ethylhexyl diphenyl phosphate (EHDPHP), are prevalent in everyday life due to their broad usage in fields such as healthcare, electronics, industry, and sports. These compounds, added to polymers through physical mixing, can leach into the environment, posing a risk to humans through direct contact or the food chain. Despite known associations with health issues like endocrine disruption, neurotoxicity, and reproductive toxicity, the implications of perinatal EHDPHP exposure on both mothers and offspring are still unclear. This study aimed to investigate the neuroinflammatory effects of EHDPHP and the potential mitigating role of inulin. Pregnant C57 mice were administered either a corn oil control or an EHDPHP solution (300 μg/kg bw/d) from gestation day 7 (GD7) to postnatal day 21 (PND21). Concurrently, mice were provided either regular drinking water or water supplemented with 1% inulin. We found that EHDPHP significantly increased the serum levels of IL-1β, IL-6, and MDA, but decreased SOD levels in both mothers and pups. These effects were reversed by inulin supplementation. RNA-sequencing revealed that EHDPHP induced inflammation and oxidative stress through the TLR4/NF-κB pathway, which was mitigated by inulin. In conclusion, inulin ameliorated EHDPHP-induced neuroinflammation and oxidative stress in both mothers and offspring, highlighting its potential therapeutic role. Display omitted •Perinatal exposure to EHDPHP led to neuroinflammation and oxidative stress in dams and pups.•EHDPHP upregulated the expressions of inflammation and oxidative stress related biomarkers.•Inulin attenuated EHDPHP-associated oxidative stress and neuroinflammation in both dams and pups.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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