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Do serum hepcidin-25 levels correlate with oxidative stress in patients with chronic kidney disease not receiving dialysis?
MedLine Citation:
PMID:  22541685     Owner:  NLM     Status:  Publisher    
Aims: Iron metabolism is an important factor of anemia in chronic kidney disease (CKD). Hepcidin is a regulator of iron homeostasis and has a major role in the anemia of chronic disease (ACD). Oxidative stress (OS) is also associated with iron metabolism. However, the clinical utility of hepcidin, especially its association with OS, in CKD patients not receiving dialysis is still unclear. Methods: We recruited 117 patients (62 ± 15 years, 85 males, and median estimated glomerular filtration rate (eGFR) 22 ml/ min/1.73 m2) with CKD not receiving dialysis. Serum 8-hydroxy-2’-deoxyguanosine (8-OHdG), a marker of DNA oxidative injury, and serum hepcidin-25 were measured by ELISA and by liquid chromatography tandem mass spectrometry, respectively. Results: Hepcidin-25 was associated positively with ferritin, high-sensitive C-reactive protein (hsCRP) and 8-OHdG, and negatively with eGFR and hemoglobin. Sex, oral iron, hemoglobin, transferrin saturation (TSAT), ferritin, and hsCRP were independently associated with hepcidin-25 in a multiple regression model. In contrast, neither eGFR nor 8-OHdG independently affected hepcidin- 25. Conclusions: The close association between hepcidin and serum ferritin, oral iron and hsCRP indicates that it plays a key role in the pathogenesis of anemia in patients with CKD not receiving dialysis. In contrast, effects of eGFR and OS were not apparent.
Yukio Maruyama; Keitaro Yokoyama; Hiroyasu Yamamoto; Masaaki Nakayama; Tatsuo Hosoya
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-27
Journal Detail:
Title:  Clinical nephrology     Volume:  -     ISSN:  0301-0430     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0364441     Medline TA:  Clin Nephrol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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