肠道病毒71型感染乳鼠脑组织白介素1β与白介素6水平的研究

doi:10.11852/zgetbjzz2017-25-12-10

中国儿童保健杂志 ›› 2017, Vol. 25 ›› Issue (12): 1222-1224.DOI: 10.11852/zgetbjzz2017-25-12-10

肠道病毒71型感染乳鼠脑组织白介素1β与白介素6水平的研究

吕铁钢¹, 王晓梅¹, 李秋波^{2, 3}, 陈宗波²

1 临沂市妇女儿童医院,山东临沂 276000;
2 青岛大学医学院附属医院,山东青岛 266000;
3 济宁医学院附属医院,山东济宁 272029

收稿日期:2017-06-01 发布日期:2017-12-10 出版日期:2017-12-10
通讯作者: 陈宗波,E-mail:drchen001@126.com
作者简介:吕铁钢(1977-),男,主治医师,博士学位,主要从事儿科感染性疾病的研究。
基金资助:
国家自然科学基金资助项目(31640047)

Study on the levels of interleukin 1 beta and interleukin-6 in brain tissue of mice infected with enterovirus type 71

LV Tie-gang¹, WANG Xiao-mei¹, LI Qiu-bo^{2, 3}, CHEN Zong-bo ²

1 Women's and children's Hospital of LinYi,Linyi,Shandong 276000,China;
2 Affiliated Hospital of Qingdao University Medical School,Qingdao,Shandong 266000,China;
3 Affiliated Hospital of Jining Medical College,Jining,Shandong 272029,China

Received:2017-06-01 Online:2017-12-10 Published:2017-12-10
Contact: CHEN Zong-bo,E-mail:drchen001@126.com

摘要/Abstract

摘要： 目的检测肠道病毒71型(EV71)感染乳鼠脑组织白介素1β(IL-1β)与白介素6(IL-6)水平变化,探讨EV71致中枢损害可能的发病机制。方法 1日龄120只ICR乳鼠随机分为感染组及对照组。腹腔注射法建立EV71感染乳鼠模型。荧光定量RT-PCR法检测脑组织中EV71载量。光镜观察脑组织病理变化。酶联免疫吸附法(ELISA)检测脑组织匀浆液中IL-6与IL-1β含量。结果感染组3 d、5 d与7 d乳鼠脑组织匀浆IL-1β浓度较对照组明显升高(P<0.01),感染组3 d、5 d、7 d与10 d乳鼠脑组织匀浆IL-6浓度较对照组明显升高,差异有统计学意义(P<0.01),感染组1 d与14 d乳鼠脑组织匀浆IL-1β及IL-6浓度与对照组相比差异无统计学意义(P>0.05)。结论 EV71感染乳鼠早期脑组织中IL-1β及IL-6含量明显升高,其介导的免疫反应可能是EV71致中枢损害可能的机制之一。

关键词: 肠道病毒71型, 乳鼠, 脑组织, 白介素1β, 白介素6

Abstract: Objective To detect the changes of interleukin 1 beta (IL-1β) and interleukin 6(IL-6) level in the brain tissue of mice infected with enterovirus type (EV71),and to explore the possible pathogenesis of central lesion caused by EV71 infection. Methods Totally 120 one-day-old ICR mice were divided into infection group and control group.EV71 infected mice model was established by intraperitoneal injection.Fluorescence quantitative RT-PCR technique was used to detect the viral load of EV71 in the brain.Pathological changes on brain tissues were observed through hematoxylin-eosin staining.Enzyme linked immunosorbent assay (ELISA) was used to detect the content of IL-6 and IL-1β in brain homogenate. Results The level of IL-1β was significantly higher in infection group at 3,5 and 7 days compared with that in control group (P<0.01).The level of IL-6 was significantly higher in infection group at 3,5,7 and 10 day compared with that in control group(P<0.01).However,no significant difference was observed in the level of IL-1β and IL-6 in infection group at 1,7,10 and 14 days compared with those in control group (P>0.05). Conclusion The content of IL-1 and IL-6 in brain tissue of mice infected with EV71 was significantly increased,and the immune response mediated by IL-1β and IL-6 may be one of the possible mechanisms of CNS damage.

Key words: enterovirus 71, mice, brain tissue, interleukin 1 beta, interleukin 6

中图分类号:

R179

吕铁钢, 王晓梅, 李秋波, 陈宗波. 肠道病毒71型感染乳鼠脑组织白介素1β与白介素6水平的研究[J]. 中国儿童保健杂志, 2017, 25(12): 1222-1224.

LV Tie-gang, WANG Xiao-mei, LI Qiu-bo, CHEN Zong-bo. Study on the levels of interleukin 1 beta and interleukin-6 in brain tissue of mice infected with enterovirus type 71[J]. journal1, 2017, 25(12): 1222-1224.

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肠道病毒71型感染乳鼠脑组织白介素1β与白介素6水平的研究

Study on the levels of interleukin 1 beta and interleukin-6 in brain tissue of mice infected with enterovirus type 71

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