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时间:2020-05-04
《己酮可可碱对小鼠酒精性肝病酒精代谢酶和核受体PPAR-α的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、实用肝脏病杂志2014年1月第l7卷第2期JProz"Hepatol,Mar.2014.Vo1.17No.2·163··实验性肝炎·己酮可可碱对小鼠酒精性肝病酒精代谢酶和核受体PPAR—oL的影响术屈耀宁,董蕾,史海涛,秦斌,刘亚萍【摘要】目的研究己酮可可碱(PTX)对酒精性肝病小鼠酒精代谢酶和过氧化物酶增殖物激活受体(PPAR—or.)的影响。方法将64只C57BL/6小鼠随机分为模型组、治疗组和对照组,用50%酒精灌胃建立急性肝损伤模型,以20%酒精连续灌胃6周建立慢性酒精性肝病模型;采用比色法检测各组小鼠血清乙醇脱氢酶(ADH)和细胞色素P450
2、2E1(CYP2E1)活性;采用RT—PCR法检测肝组织ADH、CYP2E1和PPAR—mRNA水平;采用免疫组化法检测肝组织CYP2E1和PPAR—or.蛋白表达。结果急性和慢性酒精性肝损伤模型小鼠血清ADH活性分别为(11.2±1.6)U/ml和(5.8±1.4)U/ml,与相应对照组比无显著性差异f分别为(12.5±1.2)U/ml和(4.3±0.6)U/m1];急性和慢性酒精性肝损伤小鼠CYP2E1活性分别为(12.2±1.8)U/ml和(11.8±1.7)U/ml,均显著高于对照组[(7.9±1.4)U/ml和(6.5±1.2)U/ml,P<
3、0.叭)]和治疗组[(8.1±1.5)U/ml和(7.8±1.5)U/ml,P<0.01];急性和慢性酒精性肝损伤小鼠肝组织CYP2E1阳性细胞相对表达强度为(765±21)和(682±25),均显著高于对照组[分别为(308±12)和(305±18),P4、.45±0.28),P<0.01)]及大剂量PTX治疗组『分别为(0.92±0.27)和(0.48±0.32),P5、(548±20)和(725±19),P<0.01)]。结论PTX能够减轻急慢性酒精性肝损伤,可能与其上调酒精代谢酶CYP2EI和下调PPAR—表达有关,而与ADH无关。【关键词】酒精性肝病;酒精代谢酶;己酮可可碱;过氧化物酶增殖物激活受一;小鼠DOI:10.3969~.issn.1672—5069.2014.02.013Efectsofpentoxifyllineonethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralphainmicewithMcohoHcliverd6、iseaseQuYaoning,DongLei,ShiHaitao,eta1.DepartmentofGastroen-terology,SecondAfiliatedHospital,MedicalCollege,JiaotongUniversity,Xi’an710004,China【Abstract】0bjectiveToinvestigatetheeffectofpentoxifylline(PTX)onethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralpha7、(PPAR—)inC57BL/6micewithalcoholicliverdisease.Meth—odsSixty—fburmicewererandomlydividedintoalcoholicliverdiseasemode1.PTXinterventionandcontrolgroup;Acutealcoholicliverinjurywasinducedinmicebyintragastricadministrationwith50%alcohol,andchronicalcoholicliverinjurywasinducedbyintr8、agastricadministrationwith20%alcoholdailyforsix
4、.45±0.28),P<0.01)]及大剂量PTX治疗组『分别为(0.92±0.27)和(0.48±0.32),P5、(548±20)和(725±19),P<0.01)]。结论PTX能够减轻急慢性酒精性肝损伤,可能与其上调酒精代谢酶CYP2EI和下调PPAR—表达有关,而与ADH无关。【关键词】酒精性肝病;酒精代谢酶;己酮可可碱;过氧化物酶增殖物激活受一;小鼠DOI:10.3969~.issn.1672—5069.2014.02.013Efectsofpentoxifyllineonethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralphainmicewithMcohoHcliverd6、iseaseQuYaoning,DongLei,ShiHaitao,eta1.DepartmentofGastroen-terology,SecondAfiliatedHospital,MedicalCollege,JiaotongUniversity,Xi’an710004,China【Abstract】0bjectiveToinvestigatetheeffectofpentoxifylline(PTX)onethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralpha7、(PPAR—)inC57BL/6micewithalcoholicliverdisease.Meth—odsSixty—fburmicewererandomlydividedintoalcoholicliverdiseasemode1.PTXinterventionandcontrolgroup;Acutealcoholicliverinjurywasinducedinmicebyintragastricadministrationwith50%alcohol,andchronicalcoholicliverinjurywasinducedbyintr8、agastricadministrationwith20%alcoholdailyforsix
5、(548±20)和(725±19),P<0.01)]。结论PTX能够减轻急慢性酒精性肝损伤,可能与其上调酒精代谢酶CYP2EI和下调PPAR—表达有关,而与ADH无关。【关键词】酒精性肝病;酒精代谢酶;己酮可可碱;过氧化物酶增殖物激活受一;小鼠DOI:10.3969~.issn.1672—5069.2014.02.013Efectsofpentoxifyllineonethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralphainmicewithMcohoHcliverd
6、iseaseQuYaoning,DongLei,ShiHaitao,eta1.DepartmentofGastroen-terology,SecondAfiliatedHospital,MedicalCollege,JiaotongUniversity,Xi’an710004,China【Abstract】0bjectiveToinvestigatetheeffectofpentoxifylline(PTX)onethanolmetabolicenzymesandperoxisomeproliferator—activatedreceptoralpha
7、(PPAR—)inC57BL/6micewithalcoholicliverdisease.Meth—odsSixty—fburmicewererandomlydividedintoalcoholicliverdiseasemode1.PTXinterventionandcontrolgroup;Acutealcoholicliverinjurywasinducedinmicebyintragastricadministrationwith50%alcohol,andchronicalcoholicliverinjurywasinducedbyintr
8、agastricadministrationwith20%alcoholdailyforsix
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