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纸质出版:2012
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颜婷,孙萍,陈婷婷,王倩,黄正刚.IL-4、IFN-γ及LTE4浓度在婴幼儿喘息性疾病中的变化及其意义[J].陆军军医大学学报(原第三军医大学学报),2012,34(18):1873-1876.
Yan Ting,Sun Ping,Chen Tingting,Wang Qian,Huang Zhenggang.Change and significance of serum IL-4 and IFN-γ and urinary leukotriene E4 in infants with asthmatic diseases[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(18):1873-1876.
颜婷,孙萍,陈婷婷,王倩,黄正刚.IL-4、IFN-γ及LTE4浓度在婴幼儿喘息性疾病中的变化及其意义[J].陆军军医大学学报(原第三军医大学学报),2012,34(18):1873-1876. DOI:
Yan Ting,Sun Ping,Chen Tingting,Wang Qian,Huang Zhenggang.Change and significance of serum IL-4 and IFN-γ and urinary leukotriene E4 in infants with asthmatic diseases[J].J Amry Med Univ (J Third Mil Med Univ),2012,34(18):1873-1876. DOI:
目的 探讨患喘息性疾病的婴幼儿血清白介素-4(IL-4)、干扰素-γ(IFN-γ)及尿白三烯E
4
(LTE
4
)浓度的变化及其意义。 方法 采用竞争性酶联免疫吸附法(ELISA)检测22例急性期、恢复期喘息性疾病患儿(喘息组),20例急性期非喘息的下呼吸道感染患儿(非喘息组),20例健康体检儿(正常对照组)血清IL-4、IFN-γ及尿LTE
4
水平,分析IL-4与IFN-γ的比值,分析IL-4、IFN-γ与尿LTE
4
的相关性。 结果 喘息组急性期血清IL-4水平较非喘息组急性期及正常对照组均明显升高(P0.05,0.01);血清IFN-γ水平明显降低(P0.01);尿LTE
4
水平较正常对照组明显升高(P0.01),但与非喘息组急性期比较差异无统计学意义(P0.05);喘息组恢复期血清IL-4水平较急性期明显下降(P0.01),但仍高于正常对照组(P0.01);血清IFN-γ水平明显升高(P0.01),但仍低于正常对照组(P0.01);尿LTE
4
水平明显降低(P0.01),但仍高于正常对照组(P0.01)。喘息组急性期血清IL-4/IFN-γ比值较非喘息组急性期及正常对照组均明显升高(F=15.86,P0.01);恢复期血清IL-4/IFN-γ比值较急性期明显下降(t=4.14,P0.01),但仍高于正常对照组,且有统计学差异(t=5.94,P0.01)。喘息组急性期尿LTE
4
水平与血清IL-4水平呈正相关(r=0.82,P0.01),与血清IFN-γ水平呈负相关(r=-0.81,P0.01)。 结论 IL-4、IFN-γ及LTE
4
可能共同参与婴幼儿喘息性疾病的气道炎症反应,喘息患儿存在Th1/Th2免疫失衡。
Objective To investigate the changes in serum levels of interleukin-4 (IL-4)
interferon-γ(IFN-γ)and urinary level of leukotriene E
4
(LTE
4
) in infants with asthmatic diseases and their significances.
Methods Serum levels of IL-4 and IFN-γ and urinary levels of LTE
4
were measured by competitive ELISA in 22 infants with acute and convalescence asthmatic diseases (asthmatic group)
20 infants with acute non-asthmatic diseases but with respiratory tract infection (non-asthmatic group)
and 20 healthy infants (normal control group). The ratio of IL-4 to IFN-γ and the correlations between urinary LTE
4
and serum IL-4
and between urinary LTE
4
and serum IFN-γ were analyzed. Results The serum levels of IL-4 in acute asthma period was obviously higher than that of acute non-asthma and normal control(P0.05
0.01). The serum levels of IFN-γ in acute asthma period was significantly lower than those of acute non-asthma and normal control(P0.01). The urinary levels of LTE
4
in acute asthma period was higher than normal control group(P0.01)
but were not significantly different from acute non-asthma (P0.05). In remission/convalescence
the serum levels of IL-4 were lower than those of acute period (P0.01)
but were still higher than normal control group (P0.01). The serum levels of IFN-γ were higher than those of acute period (P0.01)
but were still lower than normal control group (P0.01). The urinary levels of LTE
4
were obviously lower than those of acute period (P0.01)
but were still higher than normal control (P0.01). The ratio of IL-4 to IFN-γ in acute asthma period was higher than that of acute non-asthma and normal control group(F=15.86,P0.01).In remission
the ratio of IL-4 to IFN-γ was lower than that in acute period (t=4.14
P0.01)
but was still higher than normal control group (P0.01). There was positively correlation between urinary LTE
4
and serum IL-4 levels in the acute stage in asthmatic group(r=0.82
P0.01). There was negative correlation between urinary LTE
4
and serum IFN-γ levels in the acute stage in asthmatic group(r=-0.81
P0.01). Conclusion IL-4
IFN-γ and LTE
4
may all be involved in th
e pathogenesis of respiratory tract inflammation in infant with asthmatic diseases. There are immune imbalance of Th1/Th2 in infant with wheezing.
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