Th9细胞和Bregs细胞在溃疡性结肠炎免疫学致病中的研究及其与患者疾病活动度的相关性  

Study on Th9 cells and Bregs cells in immunological pathogenesis of ulcerative colitis and their correlation with disease activity of patients

作　　者：薛小春 田尧 郑志存 XUE Xiaochun;TIAN Yao;ZHENG Zhicun(Department of Gastroenterology,Hai'an People's Hospital,Hai'an 226600,China)

机构地区：[1]海安市人民医院消化内科,海安226600

出　　处：《中国免疫学杂志》2024年第4期806-810,共5页Chinese Journal of Immunology

摘　　要：目的:探讨Th9细胞和Bregs细胞在溃疡性结肠炎(UC)免疫学致病中的作用及其与患者疾病活动度的相关性。方法:前瞻性纳入2020年6月至2022年3月海安市人民医院收治的UC患者105例作为观察对象(UC组),其中48例处于疾病缓解期(缓解期UC组),57例处于疾病活动期(活动期UC组),并根据活动期UC组患者病情的严重程度划分亚组:轻型组(n=20)、中型组(n=24)和重型组(n=13),另选取同期健康志愿者50例作为对照组。应用流式细胞术对两组患者外周血中Th9和Bregs细胞比例进行分析,ELISA检测两组血清IL-9、IL-10、IL-35及C反应蛋白(CRP)水平,并采用Pearson相关性分析法分析Th9、Bregs细胞水平与疾病活动度和炎症程度的相关性。结果:UC组患者Bregs细胞比例、Th9细胞比例均明显高于对照组,活动期UC组CAI评分、Bregs细胞比例及Th9高于缓解期UC组(P<0.05)。重型活动期UC患者Th9细胞和Bregs细胞比例明显高于中型和轻型活动期UC患者,其中中型活动期组高于轻型活动期组(P<0.05)。活动期和缓解期UC组患者CRP、IL-9水平均明显高于对照组,且活动期高于缓解期(P<0.05);活动期和缓解期IL-10、IL-35水平均显著低于对照组,其中活动期低于缓解期(P<0.05)。重型组的CRP、IL-9水平高于轻型、中型组,其中中型组高于轻型组(P<0.05);重型组IL-10及IL-35水平明显低于中型和轻型组,其中中型组低于轻型组(P<0.05)。Pearson分析结果显示,Th9、Bregs细胞均与疾病活动度、CRP、IL-9水平呈正相关,与IL-10、IL-35水平呈负相关(P<0.05)。结论:活动期UC患者外周血中Th9、Bregs细胞比例均明显升高,均与其疾病的发生发展密切相关,有望成为辅助临床早期诊断、评估病情的良好指标。Objective:To explore the role of Th9 cells and Bregs cells in immunological pathogenesis of ulcerative colitis(UC)and their correlation with disease activity.Methods:A total of 105 patients with UC who were admitted to Hai'an People's Hospital from June 2020 to March 2022 were prospectively included as observation subjects(UC group).Among them,48 cases were in disease remission(remission UC group)and 57 cases were in disease activity(active UC group).According to the severity of the patients'conditions in active UC group,subgroups were divided:mild active group(n=20),moderate active group(n=24)and severe active group(n=13).In addition,50 healthy volunteers during the same period were selected as control group.The proportion of Th9 and Bregs cells in the peripheral blood of patients between the two groups were analyzed by flow cytometry,and the serum levels of IL-9,IL-10,IL-35 and C-reactive protein(CRP)were detected by ELISA.The correlation between Th9 and Bregs cell levels and disease activity and inflammation degree were also analyzed by Pearson correlation analysis.Results:The proportion of Bregs cells and Th9 cells in patients with UC were significantly higher than those of control group.The CAI score,the proportion of Bregs cells and Th9 in active UC group were higher than those in remission UC group(P<0.05).The ratios of Th9 cells and Bregs cells in patients with severe active UC were significantly higher than those in patients with moderate and mild active UC groups,and the ratios in moderate active group were higher than those in mild active group(P<0.05).The levels of CRP and IL-9 in patients with UC in the active and remission stages were significantly higher than those in control group and higher in active stage than in the remission stage(P<0.05).IL-10 and IL-35 levels in the active and remission stages were significantly lower than those in control group,and the levels in the active stage were lower than those in the remission stage(P<0.05).The levels of CRP and IL-9 in severe active group were highe

关 键 词：TH9细胞 Bregs细胞 溃疡性结肠炎 免疫学 疾病活动度 相关性分析 

分 类 号：R392.32[医药卫生—免疫学]