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Paper Information

Journal:   IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)   OCTOBER 2013 , Volume 15 , Number 10; Page(s) 0 To 0.
 
Paper: 

EFFECT OF BREASTFEEDING ON SERUM OSTEOPROTEGERIN AND SOLUBLE RECEPTOR ACTIVATOR OF NUCLEAR FACTOR-KAPPA B LIGAND IN FULL TERM NEONATES

 
 
Author(s):  RAFEEY MANDANA, GHORBANIHAGHJO AMIR*, MASOUMI FARDAD, ALIZADEH SAMIRA, DAVARI FARID SINA
 
* BIOTECHNOLOGY RESEARCH CENTER, TABRIZ UNIVERSITY OF MEDICAL SCIENCES, TABRIZ, IR IRAN
 
Abstract: 

Background: Human breast milk, the sole source of nutrition during the early neonatal period, is rich in nutrients, hormones, growth factors, and immunoactive molecules, which influence the growth, development, and immune status of the newborn infant. It had long been thought that breast milk is an adequate source of anthracitic activity for the newborns and growing child.
Objective: Human milk is a complex biologic fluid which contains nutritional and protective factors such as Osteoprotegerin (OPG), at levels 1000-fold higher than normal human serum. Since OPG and Receptor activator of nuclear factor-kappa B ligand (RANKL) system are tightly involved in bone remodeling and immune activity, the study was designated to evaluate the effect of breastfeeding on serum soluble receptor activator of nuclear factor-kappa B ligand (sRANKL) /OPG ratio in full term neonates in comparison with those of formula feeding full term neonates.
Materials and Methods: In this cross-sectional study serum levels of OPG and sRANKL in 45 breastfed infants were compared to those of 44 formula-fed full term infants. The levels of serum OPG, sRANKL, and Tumor necrosis factor alpha (TNF
a) were determined by standard techniques using enzyme-linked immunosorbent assay kits.
Results: The serum levels of OPG were significantly higher (P<0.001), and the concentrations of TNF? was markedly lower (P=0.024) in breastfed infants than those of formula-fed infants. No marked differences were observed between the serum levels of sRANKL in the two study groups (P=0.8).
Conclusions: High OPG and low TNF? levels in serum of breastfed infants are important factors involved in remodeling of bone, and immune activity may prove superiority of breastfeeding over formula feeding during infancy.

 
Keyword(s): BREAST FEEDING, INFANT FORMULA, OSTEOPROTEGERIN, SRANKL, TUMOR NECROSIS FACTOR-ALPHA (TNFTNFA)
 
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