VILMA DOS SANTOS TRINDADE VIANA

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LIM/17 - Laboratório de Investigação em Reumatologia, Hospital das Clínicas, Faculdade de Medicina

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  • article 20 Citação(ões) na Scopus
    The clinical utility of anti-ribosomal P autoantibodies in systemic lupus erythematosus
    (2014) PASOTO, Sandra Gofinet; VIANA, Vilma Santos Trindade; BONFA, Eloisa
    Systemic lupus erythematosus (SLE) is a chronic inflammatory disease that can affect multiple organs and thus has a large spectrum of clinical presentations. Assessment of the autoantibody profile is fundamental for the clinical management of SLE patients, providing important data for diagnosis, clinical characterization and disease activity evaluation. Anti-ribosomal P protein (anti-Rib-P, anti-P) antibody, described in the 1980s, is a serological marker for SLE that is present in 13-20% of cases. This reactivity was initially thought to be associated with neuropsychiatric involvement in SLE, with certain conflicting results. Subsequently, associations of anti-Rib-P with liver and renal involvement in lupus were reported. Recently, anti-Rib-P was detected in autoimmune hepatitis patients. Anti-Rib-P reactivity to Trypanosoma cruzi ribosomal target antigens in patients with Chagas heart disease has also been described. This review focuses on the usefulness of the determination of anti-Rib-P in SLE and in other autoimmune and non-autoimmune disorders in clinical practice.
  • article 24 Citação(ões) na Scopus
    Antibodies to ribosomal P proteins in lupus nephritis: A surrogate marker for a better renal survival?
    (2011) MACEDO, Patricia Andrade de; BORBA, Eduardo Ferreira; VIANA, Vilma dos Santos Trindade; LEON, Elaine Pires; TESTAGROSSA, Leonardo de Abreu; BARROS, Rui Toledo; NASCIMENTO, Ana Patricia; BONFA, Eloisa
    Objective: To define if antibodies to ribosomal P proteins disclose a better lupus nephritis long-term survival. Methods: Sixty consecutive SLE patients with biopsy-proven nephritis (2004 ISN/RPS) were evaluated for renal survival parameters. Inclusion criteria were at least one serum sample at: renal flares, biopsy, and last follow-up until 2008. Anti-P was detected by ELISA/immunoblot and anti-dsDNA by indirect immunofluorescence/ELISA. Results: Eleven patients (18%) with anti-P+ (without anti-dsDNA) during renal flare were compared to 49 (82%) persistently negative for anti-P throughout the study. At the final follow-up post-biopsy (6.3 +/- 2.5 vs. 6.8 +/- 2.4 years, p = 0.36), the comparison of anti-P+/anti-dsDNA with anti-P group revealed a trend to lower mean creatinine levels (0.9 +/- 0.3 vs. 2.3 +/- 2.1 mg/dl, p = 0.07), lower frequency of dialysis (0% vs. 35%, p = 0.025), and higher frequency of normal renal function (91% vs. 53%, p = 0.037). The overall renal survival was significantly higher in anti-P+/anti-dsDNA compared to anti-P (11.0 +/- 4.5 vs. 9.2 +/- 4.5 years, p = 0.033), anti-dsDNA+/anti-P (vs. 8.7 +/- 4.7 years, p = 0.017), and anti-P /anti-dsDNA (vs. 9.8 +/- 4.3 years, p = 0.09) groups. Conclusion: Our data supports the notion that anti-P antibody in the absence of anti-dsDNA during nephritis flares is a valuable marker to predict a better long-term renal outcome in lupus patients.