Premature delivery reduces intestinal cytoskeleton, metabolism, and stress response proteins in newborn formula-fed pigs
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Premature delivery reduces intestinal cytoskeleton, metabolism, and stress response proteins in newborn formula-fed pigs. / Jiang, Pingping; Wan, Jennifer Man-Fan; Cilieborg, Malene Skovsted; Sit, Wai-Hung; Sangild, Per Torp.
I: Journal of Pediatric Gastroenterology and Nutrition, Bind 56, Nr. 6, 2013, s. 615-622.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Premature delivery reduces intestinal cytoskeleton, metabolism, and stress response proteins in newborn formula-fed pigs
AU - Jiang, Pingping
AU - Wan, Jennifer Man-Fan
AU - Cilieborg, Malene Skovsted
AU - Sit, Wai-Hung
AU - Sangild, Per Torp
N1 - CURIS 2013 NEXS 050
PY - 2013
Y1 - 2013
N2 - OBJECTIVE:: Preterm infants often show intolerance to the first enteral feeds, and the structural and functional basis of this intolerance remains unclear. We hypothesized that preterm and term neonates show similar gut trophic responses to feeding, but different expression of intestinal functional proteins, thus helping to explain why preterm neonates are more susceptible to feeding-induced disorders such as necrotizing enterocolitis (NEC). METHODS:: Incidence of feeding-induced NEC, intestinal mass and brush-border enzyme activities, and the intestinal proteome in preterm caesarean-delivered pigs were compared with the corresponding values in pigs delivered spontaneously at term. RESULTS:: For both preterm and term pigs, mucosal mass and maltase activity increased (+50-100%), while lactase decreased (-50%), relative to values at birth. Only preterm pigs were highly NEC-sensitive (30 vs. 0% in term pigs, P¿
AB - OBJECTIVE:: Preterm infants often show intolerance to the first enteral feeds, and the structural and functional basis of this intolerance remains unclear. We hypothesized that preterm and term neonates show similar gut trophic responses to feeding, but different expression of intestinal functional proteins, thus helping to explain why preterm neonates are more susceptible to feeding-induced disorders such as necrotizing enterocolitis (NEC). METHODS:: Incidence of feeding-induced NEC, intestinal mass and brush-border enzyme activities, and the intestinal proteome in preterm caesarean-delivered pigs were compared with the corresponding values in pigs delivered spontaneously at term. RESULTS:: For both preterm and term pigs, mucosal mass and maltase activity increased (+50-100%), while lactase decreased (-50%), relative to values at birth. Only preterm pigs were highly NEC-sensitive (30 vs. 0% in term pigs, P¿
U2 - 10.1097/MPG.0b013e318288cf71
DO - 10.1097/MPG.0b013e318288cf71
M3 - Journal article
C2 - 23364244
VL - 56
SP - 615
EP - 622
JO - Journal of Pediatric Gastroenterology and Nutrition
JF - Journal of Pediatric Gastroenterology and Nutrition
SN - 0277-2116
IS - 6
ER -
ID: 44706553