[1]穆轶,朱彧.抑肝散提取物对环境内分泌干扰物神经毒性的抑制作用[J].天津医科大学学报,2022,28(02):151-155.
MU Yi,ZHU Yu.The inhibitive effect of Yigansan extract on neurotoxicity of environmental endocrine disruptors[J].Journal of Tianjin Medical University,2022,28(02):151-155.
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抑肝散提取物对环境内分泌干扰物神经毒性的抑制作用(PDF)
《天津医科大学学报》[ISSN:1006-8147/CN:12-1259/R]
- 卷:
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28卷
- 期数:
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2022年02期
- 页码:
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151-155
- 栏目:
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基础医学
- 出版日期:
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2022-03-20
文章信息/Info
- Title:
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The inhibitive effect of Yigansan extract on neurotoxicity of environmental endocrine disruptors
- 文章编号:
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1006-8147(2022)02-0151-05
- 作者:
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穆轶1; 朱彧2
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(1.天津医科大学第二医院药学部,天津 300211;2.天津市海河医院检验科,天津 300350)
- Author(s):
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MU Yi1; ZHU Yu2
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(1.Department of Pharmacy,The Second Hospital,Tianjin Medical University,Tianjin 300211,China;2.Department of Clinical Laboratory,Tianjin Haihe Hospital,Tianjin 300350,China)
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- 关键词:
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抑肝散; 环境内分泌干扰物; 神经毒性
- Keywords:
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Yigansan; environmental endocrine disruptors; neurotoxicity
- 分类号:
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R9
- DOI:
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- 文献标志码:
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A
- 摘要:
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目的:考察抑肝散提取物抑制环境内分泌干扰物(EEDs)双酚A(BPA)和邻苯二甲酸(2-乙基己基)酯(DEHP)神经毒性的作用并分析其机制。方法:小鼠神经母细胞瘤细胞Neuro-2a细胞经BPA(0.1 mmol/L)+DEHP(0.1 mmol/L)与3 mg/mL(低剂量组)和6 mg/mL(高剂量组)抑肝散乙醇/氯仿提取物共培养72 h,观察细胞凋亡和氧化损伤(活性氧簇,ROS)的变化。按照暴露剂量为25 μg/(kg·d) BPA和50 μg/(kg·d) DEHP给予初断乳雄性Sprague-Dawley(SD)大鼠BPA连续灌胃暴露90 d,同时将抑肝散乙醇/氯仿提取物按300 mg/kg(低剂量组)和600 mg/kg(高剂量组)给大鼠灌胃给药,通过Y迷宫实验观察大鼠短期记忆能力(自发交替正确率)的变化。取大鼠海马组织后,检测海马组织总抗氧化能力(T-AOC)、丙二醛(MDA)、谷胱甘肽(GSH)、游离脂肪酸(FFAs)葡萄糖含量和线粒体膜电位(MMP)的变化,分析星形胶质细胞胶质纤维状酸性蛋白(GFAP)和巢蛋白(nestin)、caspase-3以及哺乳动物雷帕霉素靶蛋白(mTOR)信号通路活性的变化。结果:Neuro-2a细胞经BPA+DEHP暴露后,24、48、72 h细胞增殖均受到抑制(t=3.951、8.823、7.060,均P<0.05),早期和晚期凋亡率均上调(t=14.072、6.590,均P<0.05),抑肝散提取物可促进细胞增殖(与暴露组相比,低剂量组t=2.963、5.814、2.101,均P<0.05,高剂量组t=3.796、10.370、5.311,均P<0.05),抑制早期和晚期细胞凋亡(与暴露组相比,低剂量组t=0.770、1.475,均P<0.05,高剂量组t=6.187、4.368,均P<0.05)。大鼠经BPA+DEHP暴露后,短期记忆能力显著下降(t=2.123,P<0.05),其海马组织氧化应激、GFAP表达和caspase-3活性上调(t=3.634、5.043、8.914,均P<0.05),nestin表达、线粒体膜电位、MDA、GSH、T-AOC和mTOR磷酸化水平下调(t=8.398、9.979、3.754、9.621、7.193、25.982,均P<0.05),抑肝散提取物可缓解BPA+DEHP暴露后大鼠短期记忆能力损伤(与暴露组相比,低剂量组t=1.339,P>0.05,高剂量组t=2.293,P<0.05)以及海马组织的上述表型改变(与暴露组相比,低剂量组t=1.147、1.683、1.594、1.611、4.469、2.070、5.346、5.499、6.124,除MDA外均P<0.05,高剂量组t=2.642、3.385、3.728、4.899、8.083、3.719、4.707、5.761、12.252,均P<0.05)。结论:抑肝散提取物可通过调节氧化应激和糖代谢紊乱,抑制EEDs的神经毒性。
- Abstract:
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Objective:To investigate the neurotoxicity of Yigansan extract in the treatment of environmental endocrine disruptors bisphenol A(BPA) and di-(2-ethylhcxyl) phthalate (DEHP) and analyze its mechanism. Methods: Mouse neuroblastoma cell line Neuro-2a cells were co-cultured with BPA(0.1 mmol/L)+DEHP(0.1 mmol/L) and 3 mg/mL(low dose group) and 6 mg/mL(high dose group) Yigansan ethanol/chloroform extract for 72 h,and apoptosis and oxidative damage (ROS) were measured. According to the exposure dose of 25 μg/(kg·d) BPA and 50 μg/(kg·d) DEHP,the first weaned male Sprange-Dawley(SD) rats were given BPA for continuous gastric exposure for 90 days. At the same time,the ethanol/chloroform extract of Yigansan was administered at 300 mg/kg(low-dose group) and 600 mg/kg(high-dose group) were intragastrically administered to rats,and the changes in short-term memory ability(spontaneous alternation accuracy) of rats were observed by Y maze experiment. After taking the rat hippocampus tissue,the changes of total antioxidant capacity(T-AOC),malondialdehyde(MDA),glutathione(Glutathione,GSH),free fatty acid(FFAs) glucose content and mitochondrial membrane potential (MMP) of hippocampus were measured. The astrocyte glial fibrillary acidic protein(GFAP) and nestin,caspase-3 and mammalian rapamycin target protein mTOR signal pathway activity changes were analyzed. Results: After Neuro-2a cells are exposed to BPA+DEHP,cell proliferation in 24,48 and 72 h was inhibited(t=3.951,8.823,7.060,all P<0.05),and the early and late apoptosis rate was increased(t=14.072,6.590,all P<0.05). Yigansan extract could promote cell proliferation(compared with exposure group,t=2.963,5.814,2.101,all P<0.05 in low-dose group,t=3.796,10.370,5.311,all P<0.05 in high-dose group) and inhibit cell early and late apoptosis(compared with exposure group,t=0.770 and 1.475,all P>0.05 in low-dose group,t=6.187 and 4.368,all P
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备注/Memo
- 备注/Memo:
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基金项目 天津市中医药管理局中医中西医结合科研课题(2019125)
作者简介 穆轶(1982-),男,主管药师,学士,研究方向:临床药学及医院药学;通信作者:朱彧,E-mail:zhuyutj@126.com。
更新日期/Last Update:
2022-03-20