期刊
JOURNAL OF PEDIATRIC GASTROENTEROLOGY AND NUTRITION
卷 70, 期 5, 页码 640-644出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MPG.0000000000002617
关键词
cholestasis; microbiota; neonate; parenteral nutrition
资金
- National Center for Advancing Translational Sciences of the National Institutes of Health [UL1TR003015]
- National Institute of Child Health and Human Development [K23HD099240]
Parenteral nutrition-associated cholestasis (PNAC) causes serious morbidity in the neonatal intensive care unit. Infection with gut-associated bacteria is associated with cholestasis, but the role of intestinal microbiota in PNAC is poorly understood. We examined the composition of stool microbiota from premature twins discordant for PNAC as a strategy to reduce confounding from variables associated with both microbiota and cholestasis. Eighty-four serial stool samples were included from 4 twin sets discordant for PNAC. Random Forests was utilized to determine genera most discriminatory in classifying samples from infants with and without PNAC. In infants with PNAC, we detected a significant increase in the relative abundance ofKlebsiella, Veillonella, Enterobacter, andEnterococcus(P < 0.05). Bray-Curtis dissimilarities in infants with PNAC were significantly different (P < 0.05) from infants without PNAC. Our findings warrant further exploration in larger cohorts and experimental models of PNAC to determine if a microbiota signature predicts PNAC, as a basis for future interventions to mitigate liver injury.
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