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  • Title: Association between neutrophil geletinase-associated lipocalin and iron deficiency anemia in children on chronic dialysis.
    Author: Yazdani M, Merrikhi A, Beni ZN, Baradaran A, Soleimani N, Musazade H.
    Journal: J Res Med Sci; 2014 Jul; 19(7):624-8. PubMed ID: 25364361.
    Abstract:
    BACKGROUND: Iron deficiency anemia (IDA) in children with chronic kidney disease (CKD) is common and associated with higher risk of death. Neutrophil geletinase-associated lipocalin (NGAL) is a small 25 kDa glycoprotein, a member of lipocalin superfamily that released at the response of cellular stress from different cells. In addition, NGAL was studied as an iron regulatory glycoprotein and regulator of iron related gene. The aim of the current study was to determine any association between serum NGAL and body iron status markers in children on chronic dialysis. MATERIALS AND METHODS: This correlation study was carried out between May 2012 and May 2013 and evaluated all dialysis patients less than 19 years in pediatric dialysis centers in Isfahan that didn't have exclusion criteria. They were 40 children, including 23 persons on hemodialysis (HD) and 17 persons dialyzed by peritoneal dialysis (PD). Furthermore, we selected 40 children as healthy controls. We examined the relationship between plasma NGAL levels and indices of anemia such as ferritin, transferrin saturation (TSAT) and serum iron (SI) in dialysis children. RESULTS: Serum NGAL level in children on chronic dialysis (group including both PD and HD patients) was significantly higher than healthy controls (P = 0.008). Furthermore, in this group Serum NGAL level had inverse correlation with TSAT (P = 0.04, r = -0.22), SI (P = 0.04, r = -0.2), white blood cells (P = 0.045, r = -0.26) and serum ferritin (P = 0.006, r = -0.3). In addition, HD patients had higher serum NGAL level than PD patients (P = 0.048). CONCLUSION: High serum NGAL level in low TSAT group demonstrated that NGAL probably has an important role in IDA in children on chronic dialysis; therefore, it can be a new marker for diagnosis of IDA in CKD.
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