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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/168548
Association of glomerular hyperfiltration with serum chemokine levels and metabolic features in prepubertal children with overweight/obesity
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Background and aims Glomerular hyperfiltration (GH) is proposed as one of the earliest events in obesity (OB)-associated renal disease. Children with GH and type-1 diabetes showed increased chemokine levels. Chemokine associations with glomerular filtration rate (GFR) and metabolic features in prepubertal children with overweight (OW)/OB are unknown. Methods and results Cross-sectional study. 75 prepubertal children (aged: 9.0 ± 1.7 years) with OW/OB were studied. Clinical and metabolic characteristics (including non-esterified fatty acids, NEFA) and GFR (combined Zappitelli equation) were assessed. GH was defined as GFR >135 ml/min.1.73 m2. Serum levels of regulated on activation, normal T cell expressed and secreted (RANTES)/CCL5, interleukin-8 (IL-8)/CXCL8 and monokine-induced by interferon-γ (MIG)/CXCL9 were measured by ELISA. Age- and sex-adjusted correlations and differences were tested. 48% of the cohort was female and 13% were OW, 54% OB and 33% severe OB. Prepubertal children with GH showed lower z-BMI (−12%), NEFA (−26%) and uric acid (−22%) than those without GH (all p < 0.05). Similarly to high sensitivity C-reactive protein (hsCRP), there were no differences in serum chemokines between children with GH or not (all p > 0.05). Adjusted correlations were significant for RANTES and z-BMI (r = 0.26; p < 0.05) and for MIG with z-BMI (r = −0.26; p < 0.05) and with NEFA (r = 0.27; p < 0.05). Conclusion GH was not associated with higher chemokine levels in prepubertal children with OW/OB. Decreased rather than elevated GFR values were correlated with obesity and worse metabolic profiles. Chemokines levels in children with severe OB suggest a regulation of the immune response. Follow-up studies are needed to address the clinical implications of these findings. Keywords ObesityChildrenChemokinesHyperfiltrationRenal disease
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MUZZIO, María l., KABAKIAN, María l., MOROSÁN-ALLO, Yanina, FERRARI, Silvia, FALLAHI, Poupak, FERNÁNDEZ, Jorgelina, SANTUCCI DE MAGISTRIS, Maria, ANDRÉS LACUEVA, Ma. cristina, ANTONELLI, Alessandro, BRENTA, Gabriela, MEROÑO, Tomás. Association of glomerular hyperfiltration with serum chemokine levels and metabolic features in prepubertal children with overweight/obesity. _Nutrition Metabolism and Cardiovascular Diseases_. 2020. [consulta: 9 de gener de 2026]. ISSN: 0939-4753. [Disponible a: https://hdl.handle.net/2445/168548]