硒对邻苯二甲酸酯亚慢性暴露雄性大鼠肝脏的保护作用

doi:10.3969/j.issn.1004-616x.2018.06.012

癌变·畸变·突变 ›› 2018, Vol. 30 ›› Issue (6): 479-482.doi: 10.3969/j.issn.1004-616x.2018.06.012

硒对邻苯二甲酸酯亚慢性暴露雄性大鼠肝脏的保护作用

宁俊康¹, 曹乾¹, 杨梅², 任雪丹³, 王民生³

1. 东南大学公共卫生学院, 江苏南京 210009;
2. 苏州市吴江区疾病预防控制中心, 江苏苏州 215200;
3. 江苏省疾病预防控制中心, 江苏南京 210009

收稿日期:2018-05-30 修回日期:2018-09-17 出版日期:2018-11-30 发布日期:2018-11-30
通讯作者: 曹乾,E-mail:caoqianseu@163.com E-mail:caoqianseu@163.com
作者简介:宁俊康,E-mail:1049097218@qq.com。

Effects of selenium on livers of male rats with sub-chronic exposure of diethylhexyl phthalate

NING Junkang¹, CAO Qian¹, YANG Mei², REN Xuedan³, WANG Minsheng³

1. School of Public Health of Southeast University, Nanjing 210009;
2. Wujiang District Center for Disease Control and Prevention, Suzhou 215200;
3. Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, Jiangsu, China

Received:2018-05-30 Revised:2018-09-17 Online:2018-11-30 Published:2018-11-30

摘要/Abstract

摘要： 目的：研究邻苯二甲酸酯（DEHP）亚慢性暴露对雄性大鼠肝脏的影响及硒对大鼠肝脏的保护作用。方法：将77只雄性大鼠随机分为7组，分别设置为对照组（饲喂基础饲料）、3个DEHP染毒组（染毒剂量分别为300、600和900 mg/kg）、3个硒干预组（在相应剂量的染毒组中加入1 mg/kg酵母硒）。染毒8周，染毒期末，大鼠空腹16 h后称量大鼠体质量、采血进行生化检测以及称量肝脏质量。结果：与对照组相比，600和900 mg/kg DEHP染毒组大鼠的平均体质量明显降低（P < 0.05）；900 mg/kg DEHP染毒组大鼠的体质量增量、总摄食量、总食物利用率、明显降低（P < 0.01或P < 0.05）；各DEHP染毒组、硒干预组的肝脏平均质量、肝脏系数均明显降低（P < 0.01）。600 mg/kg DEHP染毒后的硒干预组大鼠体质量增量较相应的染毒组增加（P < 0.05）。生化指标检测结果显示，与对照组相比，600、900 mg/kg DEHP染毒组，300、600 mg/kg DEHP染毒后的硒干预组大鼠ALT浓度明显升高（P < 0.05）；900 mg/kg DEHP染毒组，300、600和900 mg/kg DEHP染毒后的硒干预组大鼠AST浓度明显升高（P < 0.01）；600、900 mg/kg DEHP染毒组大鼠TP浓度明显升高（P < 0.01）；900 mg/kg DEHP染毒组，300 mg/kg DEHP染毒后的硒干预组大鼠ALB浓度明显升高（P < 0.01）；900 mg/kg DEHP染毒组大鼠GLB浓度明显升高（P < 0.01）。900 mg/kg DEHP染毒后的硒干预组大鼠ALT、AST、TP、GLB均明显低于相应的染毒组（P < 0.01或P < 0.05）。结论：DEHP的亚慢性暴露对雄性大鼠的体质量与生长产生一定的影响，可能造成肝脏肿胀，对肝脏功能产生影响；而硒的干预可能在一定程度上缓解DEHP对肝脏的毒性作用。

关键词: 邻苯二甲酸酯, 大鼠, 硒, 肝脏

Abstract: OBJECTIVE: To investigate effects of sub-chronic exposure to diethylhexyl phthalate(DEHP) on livers of male rats and protective effect of selenium on the livers. METHODS: Seventy-seven male rats were randomly divided into 7 groups:control group (feeding basal feed),3 DEHP-treatment groups (diluted doses of 300,600 and 900 mg/kg,respectively),and 3 Selenium intervention groups (1 mg/kg yeast selenium was added to the corresponding dose of the exposure group). After 8 weeks of exposure,the rats were weighed,blood samples were collected for biochemical detection and the excised liver was weighed after 16 hours fasting. RESULTS: Compared with the control group,the mean weight of livers and coefficient of the liver were significantly increased in each of the exposed groups and the intervention group (P < 0.01). In addition,the quality of the 600 mg/kg treated group was significantly reduced (P < 0.05);the 900 mg/kg treated group was significantly lower in the body weight gain index (P < 0.01),and significantly lower than the control group in the total food intake and utilization index (P < 0.05);Compared with the treated group,the Se+300 mg/kg intervention group showed a significant decrease in weight gain (P < 0.05). The results of biochemical indicators showed that,compared with the control group,the 600 mg/kg treated group showed a significant increase in TP (P < 0.01);the 900 mg/kg treated group showed a significant increase in all five indicators (P < 0.01);The Se+300 mg/kg intervention group significantly increased the ALT index (P < 0.01),and significantly increased the ALT and AST indexes (P < 0.01). The Se+600 mg/kg intervention group significantly increased the ALT index (P < 0.05). There was a significant increase in AST index (P < 0.01). The Se+900 mg/kg intervention group showed significantly increased AST,TP and GLB (P < 0.01). Compared with the treated group,the intervention group was lower than the corresponding exposure group,and the Se+900mg/kg intervention group showed a significant decrease in TP and GLB indicators (P < 0.01). CONCLUSION: Sub-chronic exposure of DEHP affected body weight and growth,and liver function as well as caused liver swelling. The intervention of selenium effectively alleviated the toxic effect of DEHP on the liver.

Key words: diethylhexyl phthalate, rat, selenium, liver

中图分类号:

R994.6

宁俊康, 曹乾, 杨梅, 任雪丹, 王民生. 硒对邻苯二甲酸酯亚慢性暴露雄性大鼠肝脏的保护作用[J]. 癌变·畸变·突变, 2018, 30(6): 479-482.

NING Junkang, CAO Qian, YANG Mei, REN Xuedan, WANG Minsheng. Effects of selenium on livers of male rats with sub-chronic exposure of diethylhexyl phthalate[J]. Carcinogenesis, Teratogenesis & Mutagenesis, 2018, 30(6): 479-482.

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硒对邻苯二甲酸酯亚慢性暴露雄性大鼠肝脏的保护作用

Effects of selenium on livers of male rats with sub-chronic exposure of diethylhexyl phthalate

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