3 years ago

Atrazine-induced environmental nephrosis was mitigated by lycopene via modulating nuclear xenobiotic receptors-mediated response

Atrazine-induced environmental nephrosis was mitigated by lycopene via modulating nuclear xenobiotic receptors-mediated response
The burden and morbidity of environmental nephrosis is increasing globally. Atrazine (ATR) and degradation products in the environment are considered key determinants of nephrosis. However, the lack of highly effective treatments for environmental nephrosis creates an urgent need to better understand the preventive strategies and mechanisms.This study aimed to highlight the mechanism of ATR-induced environmental nephrosis and the chemoprotective potential of lycopene (LYC) against the renal injury and nephrosis. Male mice were treated with LYC (5mg/kg) and/or ATR (50mg/kg or 200mg/kg) by gavage administration for 21 days. Histopathological changes and biochemical function, cytochrome P450 enzymes system (CYP450s), nuclear xenobiotic receptors (NXRs) response and the transcription of CYP isoforms (CYPs) were detected. ATR exposure caused the changes of the histopathological and biochemical function, activated the NXRs response and disturbed the CYP450s homeostasis. Supplementary LYC significantly prevented ATR-induced nephrotoxicity and alleviated the alternation of histopathological and biochemical function via modulating the CYP450s homeostasis and the NXRs response. The results demonstrated AHR, CAR, PXR, PPAR (α, γ), CYP1, CYP2, CYP3 and CYP4 superfamily play a vital role in LYC-ATR interaction. Our findings provide new evidence that ATR exposure can cause the environmental nephrosis via inducing the kidney injury. Supplementary LYC showed significant chemoprotective potential against ATR-induced renal injury and environmental nephrosis via regulating the NXRs response and the CYP450s homeostasis.

Publisher URL: www.sciencedirect.com/science

DOI: S0955286317302176

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