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中国临床药理学与治疗学 ›› 2006, Vol. 11 ›› Issue (10): 1119-1121.

• 研究原著 • 上一篇    下一篇

地塞米松对哮喘豚鼠气道白介素-5 、白介素-10 mRNA 表达及嗜酸性粒细胞凋亡的影响

罗光伟, 孙洁民, 陈菁   

  1. 武汉市第一医院呼吸科, 武汉 430022, 湖北
  • 收稿日期:2006-02-09 修回日期:2006-03-10 出版日期:2006-10-26 发布日期:2020-11-05
  • 作者简介:罗光伟, 男, 医学硕士, 主治医师, 研究方向:支气管哮喘及慢性阻塞性肺疾病的基础和临床研究。Tel:027-85854219-203  E-mail:whyyy191@sina.com
  • 基金资助:
    武汉市卫生局专项基金资助项目(武卫2003.228)

Effect of dexamethasone on eosinophil apoptosis and expression of interleukin-5 mRNA and interleukin-10 mRNA in bronchoalveolar lavage fluid of asthmatic guinea pig

LUO Guang-wei, SUN Jie-min, CHEN Jing   

  1. Department of Pulmonology, Wuhan NO.1 Hospital , Wuhan 430022 , Hubei , China
  • Received:2006-02-09 Revised:2006-03-10 Online:2006-10-26 Published:2020-11-05

摘要: 目的 检测地塞米松对哮喘豚鼠支气管肺泡灌洗液(BALF) 中白介素-5(IL-5) mRNA 及IL-10mRNA表达水平及嗜酸性粒细胞(EOS) 凋亡率。方法 健康雄性Hartley 系豚鼠随机分为地塞米松组、哮喘组和正常对照组。采用原位细胞凋亡(TUNEL) 、RTPCR技术检测BALF 中EOS 凋亡、IL-5 mRNA 及IL-10 mRNA 表达水平。结果 地塞米松组BALF 中的EOS 较哮喘组明显下降, EOS 凋亡明显上升(P<0.01) ;IL-5 mRNA 水平较哮喘组明显下降, IL-10mRNA 水平较哮喘组明显升高(P<0.05) 。结论 地塞米松可以通过减少IL-5 mRNA 的表达, 增加IL-10mRNA 的表达有效抑制哮喘豚鼠气道EOS 的上升,增加EOS 的凋亡。

关键词: 哮喘, 地塞米松, 嗜酸细胞, 凋亡, 白介素

Abstract: AIM: To investigate the effect of dexamethasone on eosinophil apoptosis and expression of interleukin-5 mRNA and interleukin-10 mRNA in bronchoalveolar lavage fluid (BALF) of asthmatic guinea pig.METHODS: 30 Hartley male guinea pigs were divided into 3 groups randomly:dexamethasone group, asthma grouPand control group.The EOS apoptosis, IL-5mRNA and IL-10 mRNA expressions were measured by the techniques of TUNEL and RT-PCR.RESULTS: The EOS in BALF of dexamethasone grouPdecreased prominently compared with the asthma grouP(P<0.01) ;the EOS apoptosis increased (P<0.01) significantly.The level of IL-5 mRNA was prominently lower than that of the asthma grouP(P<0.05).The level of IL-10mRNA increased markedly compared with the asthma grouP(P<0.05).CONCLUSION: Dexamethasone can restrain the EOS ascending, increase EOS apoptosis effectively through reducing the expression of IL-5 mRNA and increasing the expression of IL-10 mRNA in asthmatic guinea pigs'respiratory passage.

Key words: asthma, dexamethasone, eosinophils, apoptosis, interleukin

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