当前位置: 首页 > 文章 > 低聚乳果糖对结肠炎大鼠血浆Th1/Th2型细胞因子的影响 食品科学 2013,34 (17) 236-240
Position: Home > Articles > Effect of Lactosucrose on Plasma Th1/Th2 Type Cytokines in Rats with Colonitis FOOD SCIENCE 2013,34 (17) 236-240

低聚乳果糖对结肠炎大鼠血浆Th1/Th2型细胞因子的影响

作  者:
周艳;阮征;黄小流;李玲;刘文群
单  位:
南昌大学食品科学与技术国家重点实验室江西南昌南昌大学生命科学与食品工程学院;华南理工大学轻工与食品学院;南昌大学生命科学与食品工程学院;南昌大学食品科学教育部重点实验室;南昌大学食品科学与技术国家重点实验室
关键词:
低聚乳果糖;结肠炎;Th1/Th2平衡;细胞因子
摘  要:
目的:以大鼠结肠炎作为肠道慢性炎症模型,观察低聚乳果糖(LS)对结肠炎大鼠血浆炎症水平及免疫细胞因子的影响,并探讨其改善大鼠肠道炎症可能的作用机制。方法:三硝基苯磺酸(TNBS)建立结肠炎大鼠模型,分为4组:正常组、模型组、LS组(灌胃250mg/(kg·d))、柳氮磺胺吡啶(SASP)药物组(灌胃250mg/(kg·d))。21d后宰杀大鼠,测定血浆碱性磷酸酶(ALP)、乳酸脱氢酶(LDH)、诱生型一氧化氮合酶(iNOS)的活力,并测定IFN-γ、IL-4和IL-10的含量。结果:与正常组相比,TNBS造模后,血浆ALP的活力显著降低(P<0.01)以及IFN-γ的含量极显著升高(P<0.01)、IL-4的含量极显著降低(P<0.01),IL-10的含量显著降低(P<0.05),LDH和iNOS的活力以及IFN-γ/IL-4比值显著增高(P<0.05)。LS干预后,显著升高了血浆ALP的活力、IL-4和IL-10的含量,显著降低了iNOS的活力、IFN-γ/IL-4的比值。结论:LS能降低结肠炎大鼠血浆的炎症水平,其对结肠炎大鼠炎症的缓解可能是通过促进Th2型细胞因子的产生,调节Th1/Th2免疫平衡。
译  名:
Effect of Lactosucrose on Plasma Th1/Th2 Type Cytokines in Rats with Colonitis
作  者:
ZHOU Yan;RUAN Zheng;HUANG Xiao-liu;LI Ling;LIU Wen-qun;WEN Yan-mei;MI Shu-mei;WU Xin;YIN Yu-long;State Key Laboratory of Food Science and Technology, Nanchang University;College of Life Science and Food Engineering, Nanchang University;Institute of Subtropical Agriculture,Chinese Academy of Sciences;
关键词:
lactosucrose;;inflammatory bowel disease;;Th1/Th2 balance;;cytokine
摘  要:
Objective:Toexploreeffectoflactosucrose(LS)onbloodimmunityandTh1/Th2typecytokinesinratswith colonitis.Methods:Experimentalratcolitiswasinducedbytrinitrobenzenesulfonicacid(TNBS)andrandomlydistributed intothreegroupsasfollows:modelcontrol(MC)group,LSgroupandSASPgroup.Thenormalcontrol(NC)groupwas alsoincluded.Allratswerekilledonthe21stday.Theactivitiesofalkalinephosphatase(ALP),lactatedehydrogenase(LDH) and inducible nitric oxide synthase(iNOS), and the contents of IFN-γ, IL-4 and IL-10, as well as IFN-γ/IL-4 ratio were measuredinexperimentalcolitisrats.Results:ComparedwithNCgroup,theactivityofALPandthecontentofIFN-γwere significantlyincreased(P<0.01)andthecontentofIL-4wassignificantlydecreased(P<0.01)inMCgroup.Moreover, thecontentofIL-10wassignificantlydecreased(P<0.05),theactivitiesofLDHandiNOSandIFN-γ/IL-4ratiowere significantlyincreased(P<0.05).ComparedwithMCgroup,theactivityofALPandthecontentsofIL-4andIL-10in LSgroupweresignificantlyincreased,andtheactivityofiNOSandtheratioofIFN-γ/IL-4weresignificantlydecreased. Conclusion:ThemechanismofLSinrelievinginflammationincolitismaybeachievedbyincreasingTh2typecytokine production and rebalancing the Th1/Th2 immune response.

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