Lactobacillus reuteri in Its Biofilm State Improves Protection from Experimental Necrotizing Enterocolitis.

Lactobacillus reuteri in Its Biofilm State Improves Protection from Experimental Necrotizing Enterocolitis.
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Reuteri在其生物膜状态下乳酸杆菌可改善防止实验性坏死性小肠结肠炎。

DOI:
10.3390/nu13030918
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发表时间:
2021-03-12
期刊:
影响因子:
5.9
通讯作者:
Besner GE
Besner GE
中科院分区:
医学2区
文献类型:
--
作者:
Al-Hadidi A;Navarro J;Goodman SD;Bailey MT;Besner GE

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坏死性小肠结肠炎(NEC)是一种破坏性疾病,主要发生在早产儿身上,发病率和死亡率都很高。尽管经过数十年的研究,但使用广谱抗生素和肠道休息的药物治疗方法一直没有改变,患者的预后也没有明显改善。NEC 的病因是多因素的,但胃肠道菌群失调在新生儿 NEC 的发生和发展中起着重要作用。最近,益生菌已成为治疗 NEC 的新途径。然而,目前的给药方法存在潜在的局限性,包括至少需要每天给药才能改善疗效。我们提出了一种新型肠内给药益生菌配方,以解决目前的局限性。以生物膜配方给药的单次肠道给药的纽特氏乳杆菌能提高益生菌在胃酸条件下的存活率,增加益生菌对胃肠道上皮细胞的附着力,并降低实验模型中 NEC 的发生率、严重程度和神经认知后遗症。
Necrotizing enterocolitis (NEC) is a devastating disease predominately found in premature infants that is associated with significant morbidity and mortality. Despite decades of research, medical management with broad spectrum antibiotics and bowel rest has remained relatively unchanged, with no significant improvement in patient outcomes. The etiology of NEC is multi-factorial; however, gastrointestinal dysbiosis plays a prominent role in a neonate’s vulnerability to and development of NEC. Probiotics have recently emerged as a new avenue for NEC therapy. However, current delivery methods are associated with potential limitations, including the need for at least daily administration in order to obtain any improvement in outcomes. We present a novel formulation of enterally delivered probiotics that addresses the current limitations. A single enteral dose of Lactobacillus reuteri delivered in a biofilm formulation increases probiotic survival in acidic gastric conditions, increases probiotic adherence to gastrointestinal epithelial cells, and reduces the incidence, severity, and neurocognitive sequelae of NEC in experimental models.
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