EPISODE · Jan 27, 2026 · 22 MIN
439-健康与疾病中的口腔-肠道微生物轴
from 聊聊Sci
这项研究探讨了口腔与肠道微生物群之间在健康和疾病状态下的复杂相互作用,并提出了口肠轴的概念。虽然胃酸和免疫防御通常会起到屏障作用,但在病理状态或防御受损时,口腔细菌可通过消化道吞咽或血液循环迁移至肠道。这些外位定植的微生物通过释放毒素、降解黏膜屏障以及诱发系统性炎症,与炎症性肠病 (IBD) 和结直肠癌 (CRC) 的发生与加重密切相关。此外,研究还强调了这种关联的双向性,即全身性疾病同样会恶化口腔健康,形成负面反馈循环。作者呼吁利用多组学技术在菌株层面深入研究其分子机制,以便开发更精准的临床诊断与治疗手段。References: Kunath, B.J., De Rudder, C., Laczny, C.C. et al. The oral–gut microbiome axis in health and disease. Nat Rev Microbiol 22, 791–805 (2024). doi.org前往小宇宙评论区与主播互动
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439-健康与疾病中的口腔-肠道微生物轴
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