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Bovine Osteopontin Modifies the Intestinal Transcriptome of Formula-Fed Infant Rhesus Monkeys to Be More Similar to Those That Were Breastfed
Univ Illinois, Dept Food Sci & Human Nutr, Urbana, IL 61801 USA..
Univ Illinois, High Performance Biol Comp Grp, Urbana, IL 61801 USA.
Univ Illinois, Carver Biotechnol Ctr, Urbana, IL 61801 USA.
Arla Foods Ingredients Group P/S, Viby J, Denmark.
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2014 (English)In: Journal of Nutrition, ISSN 0022-3166, E-ISSN 1541-6100, Vol. 144, no 12, 1910-1919 p.Article in journal (Refereed) Published
Abstract [en]

Background: Osteopontin (OPN) is a multifunctional protein found in human milk at high concentration.

Objective: The impact of supplemental bovine OPN on growth, body composition, and the jejunal transcriptome was assessed.

Methods: Newborn rhesus monkeys were randomly assigned to be breastfed (n = 4) or to receive formula [formula fed (FF), n = 6] or formula supplemented with 125 mg/L of bovine OPN (bOPN, n = 6) for 3 mo. Jejunal mRNA was extracted and subjected to microarray analysis.

Results: Growth was similar among all the treatment groups, but breastfed monkeys were similar to 25% leaner at 3 mo. Pairwise comparisons demonstrated that 1017 genes were differentially expressed between breastfed and FF groups, 217 between breastfed and bOPN groups, and 119 between FF and bOPN groups. The data were also analyzed with the use of weighted gene coexpression network analysis, which revealed 6 modules of coexpressed genes that differed among the 3 treatments. Nearly 50% of genes were assigned to one module in which breastfed differed from FF and bOPN expression was intermediate. This module was enriched for genes related to cell adhesion and motility, cytoskeletal remodeling, wingless and integration site signaling, and neuronal development. Most of these canonical pathways centered on integrins, which are receptors for OPN.

Conclusions: The intestinal transcriptome of breastfed and FF monkeys differs, but bovine OPN at levels similar to human milk shifts gene expression profiles to be more similar to breastfed monkeys.

Place, publisher, year, edition, pages
9650 ROCKVILLE PIKE, BETHESDA, MD 20814 USA: American Society for Nutrition , 2014. Vol. 144, no 12, 1910-1919 p.
Keyword [en]
infant, breastfeeding, intestine, osteopontin, micorarray
National Category
Medical and Health Sciences
URN: urn:nbn:se:umu:diva-98553DOI: 10.3945/jn.114.197558ISI: 000345199500005PubMedID: 25320184OAI: diva2:784615
Available from: 2015-01-30 Created: 2015-01-23 Last updated: 2015-06-04Bibliographically approved

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