Child Kidney Dis.  2019 Oct;23(2):105-110. 10.3339/jkspn.2019.23.2.105.

The associations of Urinary Neutrophil Gelatinaseassociated Lipocalin (NGAL) and Liver-type Fatty Acidbinding Protein (L-FABP) Levels with Hematuria in Children and Adolescents

Affiliations
  • 1Department of Pediatrics, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea. rebekahjs@hanmail.net

Abstract

PURPOSE
We sought to determine associations of urinary neutrophil gelatinase-associated lipocalin (NGAL) and liver-type fatty acid-binding protein (L-FABP), known markers of renal injury, with hematuria in children and adolescents.
METHODS
A total of 112 urine samples from 72 patients aged 2 to 18 years with hematuria were enrolled in this study. Urinary concentrations of NGAL and L-FABP were measured by ELISA and compared between subjects with and without proteinuria and between subjects with and without glomerulonephritis diagnosed by renal biopsy.
RESULTS
Urinary concentrations of NGAL and L-FABP/creatinine (Cr) in subjects with proteinuria were not significantly different from those in subjects without proteinuria. They were not significant different between subjects with and without glomerulonephritis either. However, both concentrations of urinary NGAL and L-FABP/Cr were positively associated with urinary protein to creatinine ratio. Their levels had a tendency to be increased when proteinuria developed at later visits in subjects with hematuria only at initial visits.
CONCLUSION
Monitoring urinary NGAL and L-FABP levels in addition to conventional risk factors such as proteinuria and serum creatinine might improve the prediction of renal injury in pediatric patients with hematuria.

Keyword

Neutrophil gelatinase-associated lipocalin; Liver-type fatty acid binding protein; Hematuria; Children

MeSH Terms

Adolescent*
Biopsy
Child*
Creatinine
Enzyme-Linked Immunosorbent Assay
Glomerulonephritis
Hematuria*
Humans
Lipocalins*
Neutrophils*
Proteinuria
Risk Factors
Creatinine
Lipocalins
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