Effect of luteolin on bisphenol A-induced ovarian toxicity in mouse models
Received date: 2020-03-07
Online published: 2020-08-05
Copyright
Objective To evaluate the alleviating effect of luteolin on bisphenol A-induced ovarian toxicity in mouse models and to explore whether p 38 mitogen-activated protein kinase (p38 MAPK) and extracellular regulatory kinase (ERK) are involved in this process.Methods Thirty-two Kunming mice were randomly divided into 4 groups with 8 mice in each group: negative control group (NC), bisphenol A group (BPA), bisphenol A and luteolin co-treatment group (BPA+Lut), and luteolin group (Lut), respectively. The mice in the BPA group were administrated with BPA solvent at a dose of 10 mg/(kg·d), those in the BPA + Lut group were treated with 10 mg/(kg·d) luteolin solvent and 10 mg/(kg·d) BPA solvent in sequence, animals in the Lut group were administrated with 10 mg/(kg·d) luteolin solution and those in the negative control group were given with an equal volume of corn oil. The above drugs were administered by daily gavage for 4 consecutive weeks. After corresponding administrations, the ovarian tissues were collected. The changes in the activity of malondialdehyde (MDA), superoxide dismutase (SOD) and catalase (CAT) were observed. The expression levels of apoptosis-related protein cleaved Caspase-3 (cleaved Caspase-3), phosphorylated p38 MAPK and ERK proteins were quantitatively measured.Results MDA levels in the ovarian tissues were significantly increased after BPA treatment (P < 0.05), while SOD and CAT activities were markedly reduced (both P < 0.05). The expression level of cleaved Caspase-3 protein was significantly up-regulated (P < 0.05), p38 MAPK and ERK phosphorylation levels were also significantly increased (both P < 0.05). Compared with BPA treatment alone, co-treatment with luteolin and BPA significantly reduced the MDA levels (P < 0.05), elevated the SOD and CAT activities (both P < 0.05), and down-regulated the relative expression levels of cleaved Caspase-3, phosphorylated p38 MAPK and ERK proteins (all P < 0.05). There was no significant difference between Lut and NC (all P > 0.05).Conclusion Luteolin can effectively alleviate BPA-induced ovarian toxicity in mouse models, which is probably correlated with the involvement of p38 MAPK and ERK signaling pathways.
Zhang Xiqian , Yao Li , Luo Yanqun , Yi Yanhong , Dong Mei , Liu Fenghua . Effect of luteolin on bisphenol A-induced ovarian toxicity in mouse models[J]. JOURNAL OF NEW MEDICINE, 2020 , 51(7) : 539 -543 . DOI: 10.3969/j.issn.0253-9802.2020.07.010
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