Navegando por Autor "Medeiros, Maria Carmo Cardoso"
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Artigo Measuring eosinophiluria, urinary eosinophil cationic protein and urinary interleukin-5 in patients with Lupus Nephritis(Allergy, Asthma & Clinical Immunology, 2014) Almeida, Jose Bruno de; Brito, Tereza Neuma Souza; Vilar, Maria José; Faria, Ana Luiza Souza Brito; Medeiros, Sarah Dantas Viana; Medeiros, Maria Carmo Cardoso; Silva, Edna Marques Araújo; Silva, Vanessa Marques Araújo; Souza, Luanda Bárbara Ferreira Canário; Arruda, Luisa Karla P; Costa, Tatiana Xavier; Cavalcanti Junior, Geraldo Barroso; Oliveira, Antonio Gouveia; Sales, Valéria Soraya FariasBackground: Urine is increasingly becoming an attractive biological fluid in clinical practice due to being an easily obtained, non-invasive sampling method, containing proteins and peptides. The aim of this study was to investigate eosinophiluria, urinary eosinophil cationic protein (uECP) and urinary IL-5 (uIL-5) in patients with Lupus Nephritis. Methods: Seventy-four patients with SLE—20 with clinical and laboratory evidence of lupus nephritis (LN group) and 54 without evidence of renal involvement (non-LN group)—were analyzed regarding eosinophiluria, uECP and uIL-5. Eosinophiluria was observed by Hansel's stain, ECP by fluoroenzymeimmunoassay and uIL-5 by quantitative sandwich enzyme immunoassay. Both uECP and urinary IL-5 (uIL-5) were corrected by urinary creatinine. Eosinophiluria and uECP were compared with glomerular erythrocyturia, protein/creatinine ratio (Pr/Cr ratio), serum creatinine, estimated glomerular filtration rate (eGFR), anti-double-stranded DNA (anti-dsDNA), serum levels of complement (C3 and C4), uIL-5/Cr ratio, and SLE disease activity index. Results: Patients of the LN group had higher eosinophiluria, uECP, uECP/Cr ratio levels, and uIL-5 than patients of the non-LN group (p<0.001 for all). These variables showed a statistically significant correlation with glomerular erythrocyturia, casts, Pr/Cr ratio, serum creatinine, eGFR, anti-dsDNA, uIL-5/Cr, and SLE disease activity index (all p<0.05). Conclusion: These results provide evidence of increased urinary eosinophils, ECP and IL-5 in patients with SLE and LN; uECP/Cr ratio showed better correlation with markers of renal function and SLE disease activity