人体肠道中益生菌驱动的竞争性排斥:微生物多样性和病原体抑制的元分析
Sumaya Sameer Alshatari1, Malgorzata Ziarno2
1Independent Researcher, 00-132 Warsaw, Poland.
Nutrients
|March 14, 2026
概括
益生菌,有益的活微生物,通过竞争性排斥有效抑制肠道病原体. 像Lacticaseibacillus和Bifidobacterium这样的特定菌株在防止病原体殖民方面表现出显著的有效性.
科学领域:
- 微生物学 微生物学
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
背景情况:
- 肠道微生物群在宿主健康和疾病预防方面发挥着至关重要的作用.
- 益生菌被定义为活生生的有益微生物,因其抑制病原体的能力而得到认可.
- 竞争性排斥是益生菌发挥有益作用的关键机制.
研究的目的:
- 系统地评估益生菌在减少人类肠道中病原体殖民化的有效性.
- 为了分析研究益生菌媒介竞争性排斥的体内研究.
- 提供有关益生菌对病原体排除的影响的定量数据.
主要方法:
- 在PubMed和Scopus的综合文献搜索 (2018年10月 - 2023年8月).
- 包括报告益生菌竞争性排除的体内研究.
- 从符合条件的研究中获得的定量数据的元分析.
主要成果:
- 通过益生菌排除病原体的统计学上显著的聚合几率比为1.68 [1.13-2.51] (p < 0.01).
- 最小的异质性 (I2 = 0%) 表明了可靠的发现.
- 确定了包括Lacticaseibacillus,Limosilactobacillus和Bifidobacterium在内的特定属,作为有效的.
结论:
- 益生菌菌株,特别是乳菌,菌和双菌,在竞争性排斥方面是有效的.
- 研究结果支持使用益生菌来治疗胃肠道感染.
- 需要对菌株特异性影响和最佳益生菌剂量进行进一步的研究.
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