Expression of serum YKL-40 in anaphylactic rhinitis patients and association of serum YKL-40 with serum IL-4 and IFN-γ
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摘要: 目的:比较不同类型变应性鼻炎(AR)患者血清中YKL-40的表达水平,分析其与IL-4、IFN-γ的相关性,探讨其在AR发病机制中的可能作用。方法:选取轻度间歇性、轻度持续性、中-重度间歇性、中-重度持续性AR患者各20例作为实验组,正常健康者20例作为对照组。应用酶联免疫吸附法检测各组血清中YKL-40、IL-4、IFN-γ的表达水平。对以上各组数据进行统计学分析。结果:①不同实验组与对照组血清YKL-40相比表达均明显升高,差异均有统计学意义(P<0.05)。轻度持续组与轻度间歇组血清YKL-40相比表达升高,差异有统计学意义(P<0.05)。中-重度持续组与中-重度间歇组血清YKL-40相比表达升高,差异有统计学意义(P<0.05)。在轻度间歇组与中-重度间歇组、轻度持续组与中-重度持续组之间表达差异均无统计学意义(P>0.05)。②不同实验组与对照组血清IL-4相比表达均明显升高,差异均有统计学意义(P<0.05)。各实验组之间血清IL-4表达差异均无统计学意义(P>0.05)。③不同实验组与对照组血清IFN-γ相比表达均明显降低,差异均有统计学意义(P<0.05)。各实验组之间血清IFN-γ表达差异均无统计学意义(P>0.05)。④AR血清YKL-40水平升高与血清IL-4水平呈正相关,与血清IFN-γ呈负相关。结论:①AR血清中YKL-40表达升高,且与IL-4水平呈正相关,与IFN-γ水平呈负相关,提示YKL-40可能通过调节Th细胞的分化,促进Th1向Th2的免疫偏移,参与AR的发病。②与间歇性AR患者相比,持续性AR患者血清中YKL-40表达升高,提示YKL-40可能会促进AR症状的持续发作。Abstract: Objective: This study intends to preliminarily discuss the expression and the clinical meaning of serum YKL-40 in anaphylactic rhinitis by comparing the different expressions of serum YKL-40 in types of anaphylactic rhinitis, and to preliminarily discuss possible mechanism of having anaphylactic rhinitis involved with serum YKL-40 by associating it with serum IL-4 and IFN-γ in anaphylactic rhinitis.Method: Firstly, each select 20 people in our hospital who have anaphylactic rhinitis respectively according to different levels--mild intermittent, mild persistent, moderate-severe interminttent, moderate-severe persistent as the experimental groups, while 20 healthy people as the nomal control. Secondly, test the levels of serum YKL-40, IL-4 and IFN-γ respectively in each group by the ELISA method. Thirdly, statistically analyze and discuss the collected data.Result: ①There was a rise in the expression of serum YKL-40 between the experimental groups and the nomal control group, which contained a statistical significance (P<0.05). There was a rise in the expression of serum YKL-40 between the mild persistent group and mild intermittent group, which contained a statistical significance (P<0.05), as well as between the moderate-severe persistent group and the moderate-severe intermittent group (P<0.05), while there was no significant difference in expression of serum YKL-40 between the mild intermittent group and the moderate-severe interminttent group, as well as between the mild persistent group and the moderate-severe persistent group (P>0.05).②There was a rise in the expression of serum IL-4 between the experimental groups and the nomal control group, which contained a statistical significance (P<0.05), while there was no significant difference between each experimental group (P>0.05).③There was a reduction in the expression of serum IL-4 between the experimental groups and the nomal control group, which contained a statistical significance (P<0.05), while there was no significant difference between each experimental group (P>0.05).④The corelation between serum YKL-40 and IL-4 in anaphylactic rhinitis was positive, while the corelation between serum YKL-40 and IFN-γ was negative. Conclusion: ①Allergic rhinitis serum YKL-40 expression was increased.The corelation between serum YKL-40 and IL-4 in anaphylactic rhinitis was positive, while the corelation between serum YKL-40 and IFN-γ was negative,suggesting that YKL-40 may regulate the differentiation of Th cells, Promote Th1 to Th2 immune shift, through this mechanism involved in the pathogenesis of allergic rhinitis.②Compared with patients with intermittent allergic rhinitis, persistent allergic rhinitis serum YKL-40 expression was increased, suggesting that YKL-40 may promote the continuous attacks of the symptoms of allergic rhinitis.
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