M Kamianowska1, M Szczepański1, E E Kulikowska1, B Bebko1, A Wasilewska2. 1. Department of Neonatology and Neonatal Intensive Care, Medical University of Bialystok, Bialystok, Poland. 2. Department of Pediatrics and Nephrology, Medical University of Bialystok, Bialystok, Poland.
Abstract
OBJECTIVE: The aim of work was to establish the normal levels of serum and urinary kidney injury molecule-1 (sKIM-1 and uKIM-1) in healthy full-term newborns. STUDY DESIGN: The study included 88 healthy full-term neonates from normal, uncomplicated pregnancies. The serum and urinary concentrations of KIM-1 in the material obtained in the first or second day of life were determined with a commercially available enzyme-linked immunosorbent assay kits. In addition, uKIM-1 was normalized for urinary creatinine concentration. RESULTS: Male and female newborns, as well as children in whom the samples were obtained in the first or second day of life, did not differ significantly in terms of their sKIM-1 and uKIM-1 levels. Gestational age correlated inversely with sKIM-1 and positively with uKIM-1, but not with uKIM-1/cr. No correlation was found with birth weight and gender. CONCLUSION: This is the first report of sKIM-1 and uKIM-1 levels in healthy full-term newborns during the first postnatal days. The data from healthy newborns may serve as the reference values for future studies in the youngest children.
OBJECTIVE: The aim of work was to establish the normal levels of serum and urinary kidney injury molecule-1 (sKIM-1 and uKIM-1) in healthy full-term newborns. STUDY DESIGN: The study included 88 healthy full-term neonates from normal, uncomplicated pregnancies. The serum and urinary concentrations of KIM-1 in the material obtained in the first or second day of life were determined with a commercially available enzyme-linked immunosorbent assay kits. In addition, uKIM-1 was normalized for urinary creatinine concentration. RESULTS: Male and female newborns, as well as children in whom the samples were obtained in the first or second day of life, did not differ significantly in terms of their sKIM-1 and uKIM-1 levels. Gestational age correlated inversely with sKIM-1 and positively with uKIM-1, but not with uKIM-1/cr. No correlation was found with birth weight and gender. CONCLUSION: This is the first report of sKIM-1 and uKIM-1 levels in healthy full-term newborns during the first postnatal days. The data from healthy newborns may serve as the reference values for future studies in the youngest children.
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