Jeremiah Levine1, Leora Hauptman1, Libia Moy1, Howard Trachtman2. 1. NYU Langone Health, Department of Pediatrics, Divisions of Gastroenterology, New York, NY. 2. NYU Langone Health, Department of Pediatrics, Divisions Nephrology, New York, NY.
Abstract
BACKGROUND AND OBJECTIVES: Altered gastrointestinal permeability in celiac disease (CD) is mediated by zonulin. The receptor for zonulin is expressed on podocytes. Therefore, we tested the effect of a gluten-free diet (GFD) on albuminuria in pediatric patients with newly diagnosed CD. METHODS: We performed a cohort study comparing urinary albumin (μg):creatinine (mg) ratio (ACR) in CD patients vs controls and in response to a GFD. RESULTS: Children with CD (n=46) had higher ACR compared to controls (n=21), 20.2±5.6 versus 8.4±1.1 μg/mg, P=0.16 and exceeded 30 μg/mg (microalbuminuria cut-off) in 7/46 cases. 17 patients had a follow-up assessment (interval 6.1±0.7 months) on a GFD. Baseline ACR was 20.7±5.2 that fell to 10.4±1.5 μg/mg, P=0.035. CONCLUSION: Children and adolescents with newly diagnosed CD have low-grade albuminuria that is numerically higher than controls and that declined after implementation of a GFD. CD may be associated with reversible defects in the glomerular barrier.
BACKGROUND AND OBJECTIVES: Altered gastrointestinal permeability in celiac disease (CD) is mediated by zonulin. The receptor for zonulin is expressed on podocytes. Therefore, we tested the effect of a gluten-free diet (GFD) on albuminuria in pediatric patients with newly diagnosed CD. METHODS: We performed a cohort study comparing urinary albumin (μg):creatinine (mg) ratio (ACR) in CD patients vs controls and in response to a GFD. RESULTS: Children with CD (n=46) had higher ACR compared to controls (n=21), 20.2±5.6 versus 8.4±1.1 μg/mg, P=0.16 and exceeded 30 μg/mg (microalbuminuria cut-off) in 7/46 cases. 17 patients had a follow-up assessment (interval 6.1±0.7 months) on a GFD. Baseline ACR was 20.7±5.2 that fell to 10.4±1.5 μg/mg, P=0.035. CONCLUSION: Children and adolescents with newly diagnosed CD have low-grade albuminuria that is numerically higher than controls and that declined after implementation of a GFD. CD may be associated with reversible defects in the glomerular barrier.
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