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  • Title: Hepcidin and iron deficiency in pre-kidney transplant patients.
    Author: Sancho A, Pastor MC, Troya M, Bonal J, Bayés B, Morales-Indiano C, Lauzurica R, Romero R.
    Journal: Transplant Proc; 2009; 41(6):2079-81. PubMed ID: 19715836.
    Abstract:
    Hepcidin is a hormone that regulates the intestinal absorption of iron and its release from the reticuloendothelium. The objective of this study was to determine the use of hepcidin for kidney disease patients with a diagnosis of iron deficiency pretransplantation by evaluating the soluble transferrin receptor (sRTfR-F) index as a marker for iron deficiency. This transverse study of 164 pretransplant patients determined hematometry and conventional markers related to iron metabolism, as well as soluble transferrin receptor (sTfR), its index (sTfR-F), and serum hepcidin concentrations. The following markers of inflammation (MIF) were also assessed C-reactive protein (hs-CRP), interleukin-6 (IL-6), soluble IL-2 receptor (sIL-2R), tumor necrosis factor-alpha (TNF-alpha), and soluble TNF-alpha receptor (s-TNF-alphaR). Among the studied patients, 11.4% showed an absolute iron deficiency with ferritin concentrations < 100 ng/mL, a mean hepcidin value of 120.7 +/- 38.5 ng/mL, and a mean sTfR-F value of 1.03 +/- 0.3; 18.2% of patients displayed a ferritin > 800 ng/mL with mean hepcidin and sTfR-F values of 147.5 +/- 36.6 ng/mL and 0.54 +/- 0.2, respectively. Iron deficiency was not observed in the other patients when considering the conventional markers: ferritin > 100 ng/mL and transferrin saturation (ST) > 20%. However, this study showed that determination of hepcidin concentrations together with M/F improved the identification of iron deficiency in pretransplant patients by 21.6%.
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