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Digested Early Preterm Human Milk Suppresses Tumor Necrosis Factor-induced Inflammation and Cytotoxicity in Intestinal Epithelial Cells

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posted on 12.09.2018 by Yimin Chen, Aloka L. Patel, Paula P. Meier, Giamila Fantuzzi
OBJECTIVES: The aim of this study was to determine the effect of digested whole human milk (HM; first sample available after birth from mothers of premature infants) on inflammation, oxidative stress, and cytotoxicity in Caco-2 human intestinal epithelial cells stimulated with lipopolysaccharides or tumor necrosis factor (TNF) to mimic the potential in vivo insults facing the premature infant's gastrointestinal tract. METHODS: Fully differentiated Caco-2 cells were exposed to digested HM (n = 10; samples from 10 different individuals) before stimulation with lipopolysaccharides, TNF, or no stimulation overnight. Inflammation was determined by production of interleukin-8, oxidative stress by levels of F2-isoprostane, and cytotoxicity by released lactate dehydrogenase. RESULTS: HM significantly suppressed interleukin-8 production and cytotoxicity in TNF-stimulated cells, while also suppressing cell death under baseline conditions. Individual HM samples differed widely in their ability to modulate cellular responses. CONCLUSIONS: Results from this study provide evidence that digested HM can reduce both an exaggerated inflammatory response and intestinal damage that contribute to the pathogenesis of necrotizing enterocolitis.

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Chen, Y., Patel, A., Meier, P. P., & Fantuzzi, G. (2018). Digested Early Preterm Human Milk Suppresses Tumor Necrosis Factor-induced Inflammation and Cytotoxicity in Intestinal Epithelial Cells. Journal of Pediatric Gastroenterology and Nutrition, 66(6), e153-e157. doi: 10.1097/MPG.0000000000001932

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Lippincott, Williams & Wilkins

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en_US

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0277-2116

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01/06/2018

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