Animals

JZ Jing Zhang
JN Jing Ning
WF Weiwei Fu
YS Yanyan Shi
JZ Jing Zhang
SD Shigang Ding
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Six- to eight-week-old male C57BL/6 mice were obtained from the Laboratory Animal Science of Peking University (Beijing, China). The mice were divided into 2 groups, the control (NC) and H. pylori-infection (PMSS1) group. H. pylori strain PMSS1 was utilized in this study [39]. Briefly, after fasting for 24 h, mice in PMSS1 and NC groups were intragastrically administered 2.5 × 109 CFU PMSS1 and isometric Brucella broth respectively every other day for 3 times. After 8 weeks of infection, the mice were sacrificed [40]. The Ethics Committee of the Peking University Third Hospital authorized the animal research (decision numbers SA2022156).

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