• 1. Department of Respiratory Mediciene, Hebei Traditional Chinese Medicine Hospital, Shijiazhuang, Hebei 050013, P. R. China;
  • 2. Department of Respiratory and Critical Care Medicine, Hebei Traditional Chinese Medicine Hospital, Shijiazhuang, Hebei 050013, P. R. China;
ZHANG Xuan, Email: zhangxuan310227@163.com
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Objective  To analyze the characteristics of intestinal flora in patients with allergic asthma, so as to provide a theoretical basis for the development of new clinical treatment methods. Methods  Fecal samples were collected from 14 patients with allergic asthma and 15 healthy people between January 2021 and December 2021, and 16S rRNA was used to analyze the composition and diversity of intestinal flora of the participants. Results  There was no statistically significant difference in age, gender, BMI, or smoking history between the allergic asthma group and the control group (all P>0.05). Alpha diversity results showed that there was significant difference in the abundance of intestinal flora between the two groups, but there was no significant difference in the diversity of intestinal flora between the two groups. The results of β diversity analysis indicated that there were significant differences in the composition of bacterial flora between the allergic asthma group and the control group. The difference bacteria between the two groups at the genus level are Faecalibacterium, Roseburia, Alistipes, Sphingomonas, Dorea, Ruminococcaceae_UCG-002, Streptomyces, [Eubacterium]_venturiosum_group, Butyriococcus and Agathobacter. Conclusion  Compared with healthy individuals, patients with allergic asthma have undergone significant changes in the composition of their gut microbiota, with various differential bacteria present. Among them, Roseburia and Eubacterium may be involved in the pathogenesis of allergic asthma through changes in short chain fatty acids.

Citation: LIU Ming, GUO Jie, ZHAO Dan, ZHANG Xuan. Characteristics of intestinal flora in patients with allergic asthma. Chinese Journal of Respiratory and Critical Care Medicine, 2024, 23(1): 1-6. doi: 10.7507/1671-6205.202304057 Copy

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