Experimental study of dexamethasone intervention on variation of serum cytokines TNF-α，IL-8 and IL-10 in rabbits with oleic acid ARDS

LI Jing; HAN Limei; GU Lixian

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Experimental study of dexamethasone intervention on variation of serum cytokines TNF-α，IL-8 and IL-10 in rabbits with oleic acid ARDS

更新时间：2023-12-18

- Experimental study of dexamethasone intervention on variation of serum cytokines TNF-α，IL-8 and IL-10 in rabbits with oleic acid ARDS
- Journal of Chongqing Medical University Vol. 36, Issue 2, Pages: 158-160(2013)
- 作者机构：
  
  新疆医科大学第二附属医院呼吸内科,乌鲁木齐,830063
- 作者简介：
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- Published：2013，
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LI Jing, HAN Limei, GU Lixian. Experimental study of dexamethasone intervention on variation of serum cytokines TNF-α，IL-8 and IL-10 in rabbits with oleic acid ARDS. [J]. Journal of Chongqing Medical University 36(2):158-160(2013)
DOI：

LI Jing, HAN Limei, GU Lixian. Experimental study of dexamethasone intervention on variation of serum cytokines TNF-α，IL-8 and IL-10 in rabbits with oleic acid ARDS. [J]. Journal of Chongqing Medical University 36(2):158-160(2013) DOI：

摘要

目的：观察地塞米松在不同时间干预对兔油酸型急性呼吸窘迫综合征（acute respiratory distress syndrome，ARDS）血清肿瘤坏死因子-α（tumor necrosis factor-α，TNF-α）、白介素-8（interleukin-8，IL-8）及IL-10的影响，探讨糖皮质激素治疗ARDS的理论基础。方法：将40只大白兔随机分成正常对照组（n=8），ARDS模型组（n=8）和地塞米松治疗组（n=24）。经耳缘静脉注射油酸复制兔ARDS模型，治疗组再分成3组（每组n=8）分别于即刻、1、2 h注射地塞米松治疗，用放射免疫及酶联免疫吸附试验测定血清中TNF-α、IL-8及IL-10水平。结果：ARDS组兔血清TNF-α、IL-8水平高于对照组（P<0.01）；而IL-10水平低于对照组（P<0.01）。经地塞米松治疗后，TNF-α、IL-8水平降低，IL-10水平升高。TNF-α、IL-8水平与ARDS组相比有统计学差异（P<0.01）， IL-10水平与ARDS组相比有统计学差异（P<0.01）。并且不同时间应用地塞米松治疗后血清TNF-α、IL-8及IL-10水平有相应的不同变化。结论：TNF-α、IL-8及IL-10在兔油酸型ARDS炎症过程中可能起重要作用。地塞米松可通过干预TNF-α、IL-8及IL-10分泌而减轻肺损伤。同时地塞米松干预时间与炎症的发生、发展存在一定关系。

Abstract

Objective：To observe the effects and mechanism of dexamethasone intervention on variations of tumor necrosis factor-α（TNF-α）、interleukin-8（IL-8） and IL-10 in serum of rabbits with acute respiratory distress syndrome（ARDS） induced by oleic acid at different time points. Methods：Totally 40 rabbits were randomly divided into normal control group（n=8）， ARDS group（n=8） and dexamethasone-treated group（n=24）. Animal model of ARDS was established by intravenous injection of oleic acid to rabbits’veins through ear margin. Dexamethasone-treated group was subdivided into three groups（n=8） by injecting dexamethasone at differ－ent time points（instantly，1，2 h）. Levels of TNF-α，IL-8 and IL-10 in serum were measured using radioimmunoassay and enzyme linked immunosorbeng assay（ELISA）. Results：Levels of TNF-α and IL-8 in serum were significantly higher in ARDS group than in normal control group（P<0.01）. Level of IL-10 in serum was significantly lower in ARDS group than in normal control group（P<0.01）. After dexamethasone treatment，levels of TNF-α and IL-8 in serum were lowered while level of IL-10 in serum was increased. Levels of TNF-α，IL-8 and IL-10 in serum were statistically different between dexamethasone-treated group and ARDS group（P<0.01）. Differ－ent variations of TNF-α，IL-8 and IL-10 levels in serum were observed when dexamethasone was given at different time points. Conclusions：TNF-α，IL-8 and IL-10 may play an important role in the inflammatory process of oleic acid ARDS in rabbits. Dexam－ethasone may relieve lung injuries by intervening the secretion process of TNF-α，IL-8 and IL-10. At the same time，the possible re－lationships may exist between the progression of inflammation and the intervention time of dexamethasone.

关键词

急性呼吸窘迫综合征细胞因子地塞米松

Keywords

acute respiratory distress syndromecytokinesdexamethasone

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