The Journal of surgical research · 2022
Efficacy of Probiotic Consortium Transplantation on Experimental Necrotizing Enterocolitis.
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Tian Bing, Zhang Yunfei, Deng Chun, Guo Chunbao
Аннотация
INTRODUCTION: Fecal microbiota transplantation (FMT) is a promising therapy, but it has not been used to treat neonatal necrotizing enterocolitis (NEC) due to reports of adverse side effects. Probiotics are considered relatively safe with practicable administrative procedures; however, no systematic research has compared the results of FMT and probiotic consortium transplantation (PCT) on oxidative stress in the intestines of patients with NEC. We conducted this study to provide a basis for optimizing NEC therapy.
METHODS: Eight-day-old newborn C57BL/6 mice were randomly divided into the following four groups: the dam-fed group (control group); the NEC induction group (NEC group); the NEC induction and transplantation of Lactobacillus reuteri and Bifidobacterium infantis consortium group (NEC + PCT group); and the NEC induction and the FMT group (NEC + FMT). Intestinal injury, oxidative stress indexes, intestinal barrier function, and inflammatory cytokines were assessed in the terminal ileum.
RESULTS: FMT more effectively modulates oxidative stress in the intestine than does PCT; however, the difference between the effects of PCT and FMT was not significant. The protective effect was associated with enhanced antioxidant capacity, regulation of the main components of the mucus layer, reduced inflammatory reactions, and improved intestinal integrity.
CONCLUSIONS: Intestinal dysbiosis affects oxidative stress, inflammatory response, and mucosal integrity. Although FMT is more effective than PCT in regulating oxidative stress, PCT may be preferred in pediatrics because the proportion and dose of transplanted bacteria can be standardized and individualized according to individual conditions.
METHODS: Eight-day-old newborn C57BL/6 mice were randomly divided into the following four groups: the dam-fed group (control group); the NEC induction group (NEC group); the NEC induction and transplantation of Lactobacillus reuteri and Bifidobacterium infantis consortium group (NEC + PCT group); and the NEC induction and the FMT group (NEC + FMT). Intestinal injury, oxidative stress indexes, intestinal barrier function, and inflammatory cytokines were assessed in the terminal ileum.
RESULTS: FMT more effectively modulates oxidative stress in the intestine than does PCT; however, the difference between the effects of PCT and FMT was not significant. The protective effect was associated with enhanced antioxidant capacity, regulation of the main components of the mucus layer, reduced inflammatory reactions, and improved intestinal integrity.
CONCLUSIONS: Intestinal dysbiosis affects oxidative stress, inflammatory response, and mucosal integrity. Although FMT is more effective than PCT in regulating oxidative stress, PCT may be preferred in pediatrics because the proportion and dose of transplanted bacteria can be standardized and individualized according to individual conditions.