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Iranian Journal of Pediatrics
Tehran University of Medical Sciences Press
ISSN: 1018-4406
EISSN: 1018-4406
Vol. 24, No. 3, 2014, pp. 273-279
Bioline Code: pe14048
Full paper language: English
Document type: Research Article
Document available free of charge

Iranian Journal of Pediatrics, Vol. 24, No. 3, 2014, pp. 273-279

 en The Effect of Malnutrition on Protein Glycosylation in Children
Bilen, Oznur; Altun, Zekiye; Arslan, Nur; Onvural, Banu; Akan, Pinar & Coker, Canan


Objective: The goal of this study was to evaluate the effect of protein energy malnutrition on protein glycosylation by investigating transferrin isoform pattern and its relationship to the degree of malnutrition and the biochemical markers of nutritional status in children.
Methods: Forty one children with mild (n=23) and severely/moderately (n=18) acute malnutrition and 29 controls were enrolled in the study. Serum transferrin isoforms were determined by isoelectric focusing electrophoresis. Transferrin, prealbumin, zinc, iron and insulin-like growth factor-1 (IGF-1) were measured using automated analyzers.
Findings: Asialotransferrin and disialotransferrin were significantly higher in severely/moderately malnourished patients compared to controls (P=0.04 and P=0.04, respectively). Other transferrin isoform patterns were not different among three groups. Serum IGF-1, transferrin and iron levels of severely/ moderately malnourished group were significantly lower than tose of controls (P=0.001, 0.02 and 0.03, respectively). Serum prealbumin and zinc levels were similar in all three groups. Serum IGF-1, transferrin and iron levels, and all transferrin isoform patterns were not significantly different in mildly malnutrition group from other two groups.
Conclusion: The changes in transferrin isoform pattern observed in malnourished patients may indicate that malnutrition is a catabolic state which has effects on glycosylation.

Glycosylation; Isoelectric Focusing; Protein Energy Malnutrition; Transferrin; Isoform

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