检验医学 ›› 2018, Vol. 33 ›› Issue (10): 907-912.DOI: 10.3969/j.issn.1673-8640.2018.10.008

• 临床应用研究∙论著 • 上一篇    下一篇

慢性HE患者肠道细菌种类与血清炎性因子相关性分析

刘冀川   

  1. 四川省肿瘤医院检验科,四川 成都 610041
  • 收稿日期:2017-06-04 出版日期:2018-10-30 发布日期:2018-10-23
  • 作者简介:null
    作者简介:刘冀川,1989年生,男,学士,技师,主要从事临床医学检验工作。

Correlation of the kinds of gut bacteria with serum inflammatory cytokines in patients with chronic

HE LIU Jichuan   

  1. Department of Clinical Laboratory,Sichuan Cancer Hospital,Chengdu 610041,Sichuan,China
  • Received:2017-06-04 Online:2018-10-30 Published:2018-10-23

摘要:

目的 分析慢性肝性脑病(HE)患者肠道常见细菌种类与血清肿瘤坏死因子α(TNF-α)、白细胞介素(IL)-12、IL-6、IL-10、IL-1β和IL-23 6种炎性因子的相关性,探讨肠道微生态及血清炎性因子在慢性HE中的作用。方法 从慢性乙型肝炎肝硬化肝功能失代偿期患者中筛选出并发HE的患者120例(HE组),另选取未并发HE的慢性乙型肝炎肝硬化患者100例(对照组),记录所有患者的肝功能指标[白蛋白(Alb)、丙氨酸氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)、总胆红素(TB)和凝血酶原时间(PT)]及肝功能Child分级情况。采用荧光定量聚合酶链反应(PCR)检测患者肠道中12种常见的细菌,采用酶联免疫吸附试验(ELISA)检测患者血清6种炎性因子的变化。结果 HE组Alb、ALT、AST、TB及肝功能Child分级均明显高于对照组(P<0.05),但2个组之间PT差异无统计学意义(P>0.05)。与对照组比较,HE组显著增殖的细菌有致病性大肠埃希菌、假单胞菌属、肠球菌属、普雷沃登菌属、葡萄球菌属、梭菌属、白念珠菌(P<0.05),显著减少的细菌有双歧杆菌、乳酸杆菌和瘤胃球菌属(P<0.05)。HE组血清TNF-α、IL-12、IL-6、IL-10、IL-1β和IL-23水平均明显高于对照组(P<0.001)。HE患者肠道常见细菌种类变化与肝功能指标的相关性及与血清炎性因子指标相关联的程度均高于对照组。结论 慢性HE发生、发展机制可能涉及患者肠道微生态失衡及多种相关免疫炎性因子产生与分泌的协同效应。

关键词: 免疫炎性因子, 肠道微生态, 肝性脑病

Abstract:

Objective To investigate the correlation of the kinds of gut common bacteria and serum inflammatory cytokines [tumor necrosis factor alpha(TNF-α),interleukin(IL)-12,IL-6,IL-10,IL-1β and IL-23] in chronic hepatic encephalopathy(HE) patients,and to evaluate the roles of intestinal microecology and serum inflammatory cytokines in chronic HE. Methods Among chronic hepatitis B liver cirrhosis patients with decompensation,120 cases with HE were enrolled as HE group,and 100 cases without HE were enrolled as control group. Liver function indices [albumin(Alb),alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TB) and prothrombin time(PT)] and the Child classification of liver function were recorded. A total of 12 gut common bacteria were determined by fluorescence quantitative polymerase chain reaction(PCR),and serum levels of 6 inflammatory cytokines were determined by enzyme-linked immunosorbent assay(ELISA). Results Alb,ALT,AST,TB and the Child classification of liver function in HE group were higher than that in control group(P<0.05),and there was no statistical significance for PT between the 2 groups(P>0.05). Compared with control group,gut common bacteria with increased proliferation in HE group included pathogenic Escherichia coli,Pseudomonadaceae,Enterococcus,Prevotella,Staphylococcus,Fusobacterium and Candida albicansP<0.05),while gut common bacteria with decreased included Bifidobacterium,Lactobacillus and RuminococcusP<0.05). Serum TNF-α,IL-12,IL-6,IL-10,IL-1β and IL-23 levels in HE group were higher than those in control group(P<0.001). The correlations of gut common bacteria with liver function indices and with serum inflammatory cytokines in HE group were higher than those in control group. Conclusions Gut dysbacteriosis in intestinal microecology might collaboratively contribute to the development mechanism of chronic HE,through regulating the production and secretion of a variety of inflammatory cytokines.

Key words: Immune inflammatory cytokine, Intestinal microecology, Hepatic encephalopathy

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