FOLLOWUS
1. 1Department of Clinical Laboratory, Jinhua Municipal Central Hospital, Jinhua, Zhejiang, 321000, China
2. 2Department of Central Laboratory, Jinhua Municipal Central Hospital, Jinhua, Zhejiang, 321000, China
*E-mail: liuyingtj2008@sina.com.
收稿日期:2021-02-18,
录用日期:2021-9-18,
网络出版日期:2022-03-04,
纸质出版日期:2022-03-31
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刘颖, 马拥军, 黄彩群. 慢性浅表性胃炎和胃炎肠上皮化生患者胃内菌群的差异分析[J]. 中国医学科学杂志(英文版), 2022,37(1):44-51.
Liu Ying, Ma Yongjun, Huang Caiqun. Evaluation of the Gastric Microbiome in Patients with Chronic Superficial Gastritis and Intestinal Metaplasia[J]. Chinese medical sciences journal, 2022, 37(1): 44-51.
刘颖, 马拥军, 黄彩群. 慢性浅表性胃炎和胃炎肠上皮化生患者胃内菌群的差异分析[J]. 中国医学科学杂志(英文版), 2022,37(1):44-51. DOI: 10.24920/003889.
Liu Ying, Ma Yongjun, Huang Caiqun. Evaluation of the Gastric Microbiome in Patients with Chronic Superficial Gastritis and Intestinal Metaplasia[J]. Chinese medical sciences journal, 2022, 37(1): 44-51. DOI: 10.24920/003889.
目的
分析慢性浅表性胃炎患者和胃炎肠上皮化生患者胃内菌群的差异
探讨幽门螺杆菌感染对胃内菌群的影响。
方法
收集54例慢性浅表性胃炎和胃炎肠上皮化生患者的胃黏膜标本
根据是否感染幽门螺杆菌和病理检查
将其分为四组:幽门螺杆菌感染阴性慢性浅表性胃炎患者(n=24)、幽门螺杆菌感染阳性慢性浅表性胃炎患者(n=14)、幽门螺杆菌感染阴性胃炎肠上皮化生患者(n=11)和幽门螺杆菌感染阳性胃炎肠上皮化生患者(n=5)。采用16S rRNA基因测序的方法分析胃内菌群。
结果
幽门螺杆菌感染的患者胃内菌群的丰度和多样性明显低于未感染幽门螺杆菌的患者。幽门螺杆菌阴性组的患者具有相似的菌群组成和丰度。幽门螺杆菌阳性组的患者也有相似的菌群组成
但是细菌的相对丰度不同。幽门螺杆菌感染阳性胃炎肠上皮化生患者的奈瑟菌、链球菌、罗氏菌和韦荣球菌的相对丰度高于幽门螺杆菌感染阳性慢性浅表性胃炎患者
尤其是奈瑟菌(
t
=175.1
P
<
0.001)。
结论
幽门螺杆菌感染会明显降低胃内菌群的丰度和多样性。幽门螺杆菌感染阳性胃炎肠上皮化生患者的奈瑟菌、链球菌、罗氏菌和韦荣球菌的相对丰度高于幽门螺杆菌感染阳性慢性浅表性胃炎患者
尤其是奈瑟菌。
Objective
To evaluate the gastric microbiome in patients with chronic superficial gastritis (CSG) and intestinal metaplasia (IM) and investigate the influence of
Helicobacter pylori
(
H. pylori
) on the gastric microbiome.
Methods
Gastric mucosa tissue samples were collected from 54 patients with CSG and IM
and the patients were classified into the following four groups based on the state of
H. pylori
infection and histology:
H. pylori
-negative CSG (
n
=24)
H. pylori
-positive CSG (
n
=14)
H. pylori
-negative IM (n=11)
and
H. pylori
-positive IM (
n
=5). The gastric microbiome was analyzed by 16S rRNA gene sequencing.
Results
H. pylori
strongly influenced the bacterial abundance and diversity regardless of CSG and IM. In
H. pylori
-positive subjects
the bacterial abundance and diversity were significantly lower than in
H. pylori
-negative subjects. The
H. pylori
-negative groups had similar bacterial composition and bacterial abundance. The
H. pylori
-positive groups also had similar bacterial composition but different bacterial relative abundance. The relative abundance of
Neisseria
Streptococcus
Rothia
and
Veillonella
were richer in the I-HP group than in G-HP group
especially
Neisseria
(
t
=175.1
P
<
0.001).
Conclusions
The gastric microbial abundance and diversity are lower in
H. pylori
- infected patients regardless of CSG and IM. Compared to
H. pylori
-positive CSG group and
H. pylori
-positive IM
the relative abundance of
Neisseria
Streptococcus
Rothia
and
Veillonella
is higher in
H. pylori
-positive patients with IM than in
H. pylori
-positive patients with CSG
especially
Neisseria.
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