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Hepcidin Concentrations in Serum and Urine Correlate with Iron Homeostasis in Preterm Infants.
MedLine Citation:
PMID:  22284565     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVES: To evaluate whether hepcidin concentrations in serum (Hep((S))) and urine (Hep((U))) correlate with iron metabolism, erythropoiesis, and inflammation in preterm infants. STUDY DESIGN: Thirty-one preterm infants (23-32 weeks gestational age) were included. The concentration of the mature, 25 amino-acid form of hepcidin was determined by enzyme-linked immunosorbent assay in serum, urine, blood counts, reticulocytes, and iron measurements. RESULTS: Median (IQR) Hep((S)) was 52.4 (27.9-91.9) ng/mL. The highest values were measured in patients with systemic inflammation. Hep((S)) and Hep((U)) correlated strongly (P = .0007). Hep((S)) and Hep((U)) also correlated positively with ferritin (P = .005 and P = .0002) and with reticulocyte hemoglobin content (P = .015 and P = .015). Hep((S)) and Hep((U)) correlated negatively with soluble transferrin receptor/ferritin-ratio (P = .005 and P = .003). Infants with lower hemoglobin concentrations and higher reticulocyte counts had lower Hep((S)) (P = .0016 and P = .0089). CONCLUSION: In sick preterm infants, iron status, erythropoiesis, anemia, and inflammation correlated with the mature 25 amino-acid form of hepcidin. Further evaluation of Hep((U)) for non-invasive monitoring of iron status in preterm infants appears justified.
Authors:
Katharina F Müller; Laila Lorenz; Christian F Poets; Mark Westerman; Axel R Franz
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-26
Journal Detail:
Title:  The Journal of pediatrics     Volume:  -     ISSN:  1097-6833     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Mosby, Inc. All rights reserved.
Affiliation:
Department of Neonatology, University Children's Hospital of Tuebingen, University of Tuebingen, Germany.
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