Document Detail

Urinary transforming growth factor beta-1 as a marker of renal dysfunction in sickle cell disease.
MedLine Citation:
PMID:  21107986     Owner:  NLM     Status:  In-Process    
Renal dysfunction affects 5-18% of patients with sickle cell disease (SCD). To date, no studies have described urinary levels of transforming growth factor β-1 (TGF-β1), a marker of fibrosis, and neutrophil gelatinase-associated lipocalin (NGAL), a marker of acute/chronic kidney disease, as biomarkers in identifying patients at risk of developing renal disease in SCD. We hypothesized that SCD subjects will have increased urinary excretion of TGF-β1 and NGAL compared with healthy controls (CTR). We examined 51 SCD subjects: 42 HbSS, 8 HbSC, and 1 HbSD. Sixteen out of 42 patients with HbSS were on hydroxyurea (HU). Urinary excretion of TGF-β1 was 26.4 ± 1.5 pg/mgCr in SCD subjects vs 15.0 ± 2.4 pg/mgCr in CTR (p<0.00001). SCD patients with hemoglobin < 9 g/dl had higher urinary TGF-β1 than patients with milder anemia (p=0.002). Urinary TGF-β1 trended lower in HbSS patients treated with HU (23.61 ± 2.6 pg/mgCr), vs patients not on HU (27.69 ± 1.8 pg/mgCr; p=0.055). There was no correlation between urinary TGF-β1 and microalbuminuria or estimated glomerular function. There was no difference in urinary NGAL in SCD patients vs CTR. We suggest that urinary TGF-β1 may serve as a marker of early renal injury in SCD.
Davoud Mohtat; Rosemary Thomas; Zangfang Du; Yaa Boakye; Thomas Moulton; Catherine Driscoll; Robert Woroniecki
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't     Date:  2010-11-25
Journal Detail:
Title:  Pediatric nephrology (Berlin, Germany)     Volume:  26     ISSN:  1432-198X     ISO Abbreviation:  Pediatr. Nephrol.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-01-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8708728     Medline TA:  Pediatr Nephrol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  275-80     Citation Subset:  IM    
Department of Pediatric Nephrology, Albert Einstein College of Medicine, Children's Hospital at Montefiore, 111 East 210th Street, Bronx, NY 10467, USA.
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