Loading...
Effects of Probiotics, Prebiotics, and Synbiotics on Messenger RNA Expression of Caveolin-1, NOS, and Genes Regulating Oxidative Stress in the Terminal Ileum of Formula-Fed Neonatal Rats
Journal Title
Pediatric Research
Readers/Advisors
Journal Title
Term and Year
Publication Date
2010-05
Book Title
Publication Volume
67
Publication Issue
5
Publication Begin
526
Publication End
531
Number of pages
Collections
Files
Loading...
pr201096.pdf
Adobe PDF, 663.73 KB
Research Projects
Organizational Units
Journal Issue
Abstract
Necrotizing enterocolitis (NEC) afflicts extremely low birth weight neonates, and probiotics reduces its incidence and severity. NO is involved in the pathogenesis of NEC, and caveolin-1 regulates NO signaling. We tested the hypothesis that intestinal caveolin-1 and NOS are deficient in formula-fed neonatal rats and that supplementation with "Florastar Kids" and/or galacto-oligosaccharides and fructo-oligosaccharides preserves caveolin-1 and NOS. At birth (P0), neonatal rat pups were maternally fed or hand-gavaged with or without supplemented formula. Samples from the terminal ileum were analyzed for total NO metabolites, growth factors, and gene expression of caveolin-1, NOS isoforms, and antioxidants. Our data showed that formula feeding with and without supplementation resulted in significant growth restriction. Despite suboptimal nutrition, growth factors involved in intestinal repair and regeneration were increased in the neonatal rat ileum. Caveolin-1, endothelial NOS, and neuronal NOS were simultaneously down-regulated with formula feeding while inducible NOS was up-regulated. Superoxide dismutase and glutathione peroxidase were up-regulated with supplementation. These data provide a probable mechanism for the benefits of supplemented formula for decreasing the severity of NEC by preserving the antioxidant systems.
Citation
D'Souza A, Fordjour L, Ahmad A, Cai C, Kumar D, Valencia G, Aranda JV, Beharry KD. Effects of probiotics, prebiotics, and synbiotics on messenger RNA expression of caveolin-1, NOS, and genes regulating oxidative stress in the terminal ileum of formula-fed neonatal rats. Pediatr Res. 2010 May;67(5):526-31. doi: 10.1203/PDR.0b013e3181d4ff2b. PMID: 20101198.