布地奈德对哮喘大鼠IKK/NF-κB 信号通道影响的实验研究

中国临床药理学与治疗学 ›› 2005, Vol. 10 ›› Issue (6): 691-696.

布地奈德对哮喘大鼠IKK/NF-κB 信号通道影响的实验研究

林益平, 李昌崇, 李孟荣, 胡野¹, 陈小芳, 毛宇飞²

温州医学院附属育英儿童医院呼吸科, 温州325000, 浙江; ¹浙江省金华职业技术学院医学院免疫学教研室, ²病理教研室, 金华321000, 浙江

收稿日期:2005-03-23 修回日期:2005-05-11 出版日期:2005-06-26 发布日期:2020-11-12
通讯作者: 李昌崇, 男, 硕士, 教授, 硕士生导师, 研究方向:哮喘病。Tel:0577-88855271 E-mail: wzlichch@21cn.com
作者简介:林益平, 男, 硕士, 主治医师, 现在金华职业技术学院医学院, 研究方向:哮喘病学。Tel:(0)13757999037 E-mail: jyxylyp@sina.com
基金资助:
浙江省金华市科技局技术创新资金项目(NO2004038)

Effects of budesonide on signal pathway of IKK /NF-κB in asthma rats

LIN Yi-ping, LI Chang-chong, HU Ye¹, LI Men-grong, Chen Xiao-fang, MAO Yu-fei²

Respiratory Medicine, the Affiliated Children Hospital, Wenzhou Medical College, Wenzhou 325000, Zhejiang, China; ¹Department of Immunology, ²Department of Pathology, Zhejiang J inhua Vocational-technical school, Jinhua 321000, Zhejiang, China

Received:2005-03-23 Revised:2005-05-11 Online:2005-06-26 Published:2020-11-12

摘要/Abstract

摘要： 目的: 观察布地奈德混悬液(Bud, 商品名:普米克令舒)对哮喘大鼠肺组织IκB 激酶(IKKβ)mRNA表达及核转录因子(NF-κB)活化的影响。方法: 复制哮喘大鼠模型, 分为正常组、哮喘组和布地奈德混悬液雾化组, 用原位杂交法检测肺组织IKKβ mRNA 表达, 免疫组化检测肺组织NF-κBp65 蛋白活性, 双抗体夹心酶联免疫法(ELISA)检测血清及支气管肺泡灌洗液(BALF)中IL-5 的浓度。结果: 哮喘组肺组织IKKβ mRNA (0.203 ±0.038)及NF-κBp65(0.256 ±0.063)表达量均显著高于正常组(分别为0.015 ±0.006, 0.034 ±0.008, P <0.01)。布地奈德混悬液雾化组肺组织IKKβ mRNA (0.101 ±0.010)和NF-κBp65(0.062 ±0.014)表达均显著低于哮喘组(P 均<0.01)。结论: 哮喘组肺组织IKKβ mRNA 、NF-κBp65 表达显著增强,Bud 雾化吸入能有效抑制哮喘大鼠肺组织IKKβ mRNA 的表达及NF-κBp65 的活性, 证明Bud 能有效抑制IKK NF-κB 信号通道的活性。

关键词: 布地奈德, 哮喘, IκB 激酶β, 核转录因子, IL-5

Abstract: AIM: To study the role of budesonide in regulating asthma inflammation and the activity of IKKβmRNA and NF-κBp65 protein. METHODS: Thirtysix Sprague-Dawley (SD) rats were divided into three groups: normal group, asthmatic model group and budesonide (Bud)group (n =12 in each).The asthmatic model was established by ovalbumin (OVA)injection and inhalation. The rats in Bud group were administered budesonide atomized inhalation within 14 days. The mRNA expression of IKKβ and the protein NF-κBp65 in lung tissue were assessed by situ hybridization with oligonucleotide probe and immunohistochemisty, respectively. The concentration of interleukin 5 (IL-5)in serum and BALF were measured by sandwich ELISA. RESULTS: Twentyfour hours after the last antigen chenllenge, the mRNA expression of IKKβ(0.203 ±0.038)and the protein expression of NF-κBp65(0.256 ±0.063)in asthmatic group increased compared with control group (0.015 ±0.006, 0.034 ±0.008, P <0.01, respectively).The mRNA expression of IKKβ (0.101 ±0.010)and the protein expression of NF-κBp65(0.062 ±0.014)in Bud group decreased compared with asthmatic group (P <0.01, respectively). CONCLUSION: In asthmatic rats, the expression of IKKβmRNA and the protein of NF-κBp65 were increased significantly, budesonide atomized inhalation can inhibit the expression of IKKβmRNA and the protein of NF-κBp65 and hold down the activity of the signal pathway IKK /NF-κB.

Key words: budesonide, asthma, IKKβ, NF-κB, IL-5

中图分类号:

R977.1

林益平, 李昌崇, 李孟荣, 胡野, 陈小芳, 毛宇飞. 布地奈德对哮喘大鼠IKK/NF-κB 信号通道影响的实验研究[J]. 中国临床药理学与治疗学, 2005, 10(6): 691-696.

LIN Yi-ping, LI Chang-chong, HU Ye, LI Men-grong, Chen Xiao-fang, MAO Yu-fei. Effects of budesonide on signal pathway of IKK /NF-κB in asthma rats[J]. Chinese Journal of Clinical Pharmacology and Therapeutics, 2005, 10(6): 691-696.

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