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KMID : 1100820150050030149
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Laboratory Medicine Online
2015 Volume.5 No. 3 p.149 ~ p.156
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Hepcidin Level and Iron Parameters in Patients with Chronic Kidney Disease
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Seo Ja-Young
Song Young-Hee
Park Mi-Jung
Kim Moon-Jin
Seo Yiel-Hea
Ahn Jeong-Yeal
Kim Kyung-Hee
Jeong Ji-Hun
Chung Woo-Kyung
Park Pil-Whan
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Abstract
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Background: Hepcidin, a key regulator of iron homeostasis, is associated with iron metabolism imbalance in patients with chronic kidney disease (CKD). However, serum hepcidin level in anemic patients with CKD presents a contradictory picture. We investigated the relationship between serum hepcidin-25 level and iron parameters in patients with CKD.
Methods: We defined and categorized patients with CKD according to the Kidney Disease Outcomes Quality Initiative (KDOQI) guidelines. We analyzed the relationship between serum hepcidin-25 level and iron parameters [serum iron, total iron-binding capacity (TIBC), unbound iron-binding capacity (UIBC), transferrin saturation, and ferritin levels] according to the CKD stage and clinical and laboratory characteristics.
Results: Hb level, TIBC, and UIBC decreased and ferritin level increased (Ptrend<0.001) (stage 1-2, 28; stage 3, 40; stage 4, 36; stage 5, 42) as the CKD stage progressed. Serum hepcidin-25 level showed no significant trend with the progressing CKD stage [stage 1-2, 13.7 (3.7-25.0) ng/mL; stage 3, 14.0 (0.8-26.5) ng/mL; stage 4, 13.9 (2.0-32.1) ng/mL; stage 5, 13.8 (0.5-42.4) ng/mL; Ptrend=0.618]. No significant relationship was noted between serum hepcidin-25 level and kidney function parameters, Hb levels, or iron parameters (P>0.05).
Conclusions: Serum hepcidin-25 level was not found to be associated with iron parameters or clinical status of CKD patients in our study. Determination of hepcidin-25 levels may not provide more information than conventional iron parameters in monitoring iron metabolism in CKD patients. However, further studies are needed to establish the clinical utility of hepcidin measurement in CKD patients.
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KEYWORD
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Hepcidin-25, Chronic kidney disease, Anemia, Iron metabolism
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