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首页> 外文期刊>Applied and Environmental Microbiology >Tumor Necrosis Factor Alpha Modulates the Dynamics of the Plasminogen-Mediated Early Interaction between Bifidobacterium animalis subsp. lactis and Human Enterocytes
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Tumor Necrosis Factor Alpha Modulates the Dynamics of the Plasminogen-Mediated Early Interaction between Bifidobacterium animalis subsp. lactis and Human Enterocytes

机译:肿瘤坏死因子α调节动物双歧杆菌亚种之间的纤溶酶介导的早期相互作用的动力学。乳酸和人类肠上皮细胞

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The capacity to intervene with the host plasminogen system has recently been considered an important component in the interaction process between Bifidobacterium animalis subsp. lactis and the human host. However, its significance in the bifidobacterial microecology within the human gastrointestinal tract is still an open question. Here we demonstrate that human plasminogen favors the B. animalis subsp. lactis BI07 adhesion to HT29 cells. Prompting the HT29 cell capacity to activate plasminogen, tumor necrosis factor alpha (TNF-α) modulated the plasminogen-mediated bacterium-enterocyte interaction, reducing the bacterial adhesion to the enterocytes and enhancing migration to the luminal compartment.
机译:近来,干扰宿主纤溶酶原系统的能力被认为是动物双歧杆菌亚种之间相互作用过程的重要组成部分。乳酸和人类宿主。然而,其在人胃肠道内双歧杆菌微生态学中的意义仍然是一个悬而未决的问题。在这里,我们证明了人类纤溶酶原有利于B. animalis亚种。乳酸BI07对HT29细胞的粘附。肿瘤坏死因子α(TNF-α)促进了HT29细胞激活纤溶酶原的能力,调节了纤溶酶原介导的细菌-肠细胞相互作用,减少了细菌对肠上皮细胞的粘附并增强了向腔腔的迁移。

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