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Serum hepcidin-25 in comparison to biochemical markers and hematological indices for the differentiation of iron-restricted erythropoiesis.
MedLine Citation:
PMID:  21143009     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Abstract Background: Biochemical markers have problems in distinguishing iron deficiency anemia (IDA) from anemia of chronic disease (ACD), and the combined state of iron-restricted erythropoiesis (IRE) with ACD (ACD/IRE). We investigated the extent to which hepcidin-25, a potential marker for the evaluation of iron metabolism, enables the differentiation of the states above, and to assess its correlation with convential markers of iron deficiency. Methods: One hundred and fifty-five patients with anemia were classified as having IDA, ACD or ACD/IRE using clinical findings, biochemical markers and hematological indices. The diagnostic performance of hepcidin-25 alone or in combination with the reticulocyte hemoglobin content (CHr) was evaluated using receiver-operating characteristic curve analysis and multivariate analysis. Hepcidin-25 was determined using an isotope-dilution micro-HPLC-tandem mass spectrometry method. Results: Hepcidin-25 correlated with biochemical markers of iron deficiency but not with hematological indices. Use of a hepcidin-25 cut-off of ≤4 nmol/L allowed the differentiation of IDA from ACD and ACD/IRE, but not the discrimination of ACD from ACD/IRE in patients with severe inflammation. Furthermore, the discrimination of ACD/IRE from ACD required the combination with CHr. Conclusions: Hepcidin-25 is primarily an indicator for decreased body iron levels, but not for IRE. The combination of hepcidin-25 with CHr in a diagnostic plot (hepcidin-25 plot) might be useful for the differentiation of ACD from ACD/IRE and IDA.
Authors:
Christian Thomas; Uwe Kobold; Lothar Thomas
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2010-12-14
Journal Detail:
Title:  Clinical chemistry and laboratory medicine : CCLM / FESCC     Volume:  -     ISSN:  1434-6621     ISO Abbreviation:  -     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-12-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9806306     Medline TA:  Clin Chem Lab Med     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Klinik und Poliklinik für Urologie, Johannes-Guttenberg University, Mainz, Germany.
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