1.637000 四川南充,川北医学院附属医院消化内科
2.400037 重庆,陆军军医大学(第三军医大学)第二附属医院消化内科
Received:26 May 2020,
Revised:2020-08-22,
Published:30 November 2020
移动端阅览
Lingyi WU, Li TANG, Jing ZHANG, et al. Characteristics of gut microbiota and their correlation with clinical parameters in patients with cholestatic liver disease[J]. Journal of Third Military Medical University, 2020, 42(22): 2251-2258.
Lingyi WU, Li TANG, Jing ZHANG, et al. Characteristics of gut microbiota and their correlation with clinical parameters in patients with cholestatic liver disease[J]. Journal of Third Military Medical University, 2020, 42(22): 2251-2258. DOI: 10.16016/j.1000-5404.202005245.
目的
2
分析胆汁淤积性肝病的肠道菌群多样性和结构组成及其与临床参数间的相关性。
方法
2
收集胆汁淤积性肝病患者(
n
=16)和健康人群对照者(
n
=19)的新鲜粪便,采用16S rRNA分析受试者肠道菌群的多样性和结构特征,运用Pearson法分析差异菌属与临床参数间的相关性。
结果
2
基线资料显示研究对象的性别、年龄、BMI无统计学差异(
P
>
0.05),血清学指标有统计学差异(
P
<
0.01)。α多样性表明
胆汁淤积性肝病组的Chao1和Shannon指数明显减少,但无统计学差异,β多样性有统计学差异(
P
<
0.01);菌群结构分析发现
Bacteroides
(拟杆菌属)、
Lachnoclostridium
、
Veillonella
(韦荣氏球菌属)、
Roseburia
(罗斯氏菌属)、
Escherichia_shigella
(大肠埃希菌-志贺氏菌属)在胆汁淤积性肝病组中明显富集(
P
<
0.05),而
Blautia
(布劳特氏菌属)明显减少(
P
<
0.05)。Pearson法分析表明,
Lachnoclostridium
与ALP(
P
<
0.01)、GGT(
P
<
0.05)强相关,
Veillonella
(韦荣氏菌属)与GGT强相关(
P
<
0.05)。
结论
2
胆汁淤积性肝病患者与健康人群对照者相比,肠道菌群存在特征性改变,
Veillonella
(韦荣氏球菌属)相对高丰度表达与胆汁淤积性肝病强相关。
Objective
2
To investigate the diversity and composition of gut microbiota in patient with cholestatic liver disease
and explore their correlation with clinical parameters.
Methods
2
Fresh stool samples from 16 patients with cholestatic liver disease and 19 healthy controls were collected
and 16S rRNA sequencing was used to analyze the diversity of gut microbiota and composition characteristics. Pearson analysis was employed to analyze the correlation between the different bacteria and clinical parameters.
Results
2
There were no statistical differences in the baseline data
such as sex
age and body mass index (BMI) in study subjects (
P
>
0.05)
but significant differences were observed in serum indexes among them (
P
<
0.01). The results of α diversity showed that Chao1 and Shannon indexes were lower in the study group
but there was no statistical difference (
P
>
0.05). β diversity results indicated that the species diversity had significant difference between 2 group (
P
<
0.01). Further analysis of microbiota composition showed largely relative abundance of
Bacteroides
Lachnoclostridium
Veillonella
Roseburia
and
Escherichia shigella
(
P
<
0.05)
while the abundance of
Blautia
were dramatically decreased (
P
<
0.05). Pearson analysis displayed that
Lachnoclostridium
was strongly correlated with serum level of alkaline phosphatase (ALP) (
P
<
0.01) and gamma-glutamyl transferase (GGT) (
P
<
0.05)
and
Veillonella
was also strongly correlated with GGT (
P
<
0.05).
Conclusion
2
Compared with healthy controls
the patients with cholestatic liver disease have obvious characteristic changes in the gut microbiota. The relatively high abundance of
Veillonella
is closely assocatied with cholestatic liver disease.
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