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Cerda Reyes E, González-Navarro EA, Magaz M, Muñoz-Sánchez G, Diaz A, Silva-Junior G, Triguero A, Lafoz E, Campreciós G, Orts L, Perez-Campuzano V, Seijo S, Rubio L, Turon F, Baiges A, Hernández-Gea V, Álvarez-Larran A, Juan M, Garcia-Pagan JC. Autoimmune biomarkers in porto-sinusoidal vascular disease: Potential role in its diagnosis and pathophysiology. Liver Int 2021; 41:2171-2178. [PMID: 34173316 DOI: 10.1111/liv.14997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 05/25/2021] [Accepted: 06/20/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND AND AIMS Porto-sinusoidal vascular disease (PSVD) is a rare disease that requires excluding cirrhosis and other causes of portal hypertension for its diagnosis because it lacks a specific diagnostical test. Although it has been occasionally associated with autoimmune diseases, the pathophysiology of PSVD remains unknown. The aim of this study was to evaluate the potential role of autoimmunity in the pathophysiology and diagnosis of PSVD. METHODS Thirty-seven consecutive patients with PSVD and 39 with cirrhosis matched by gender, signs of portal hypertension and liver function were included (training set). By using Indirect Immunofluorescence, ELISA and slot-blot methods data 22 autoantibodies were identified in patients with PSVD and cirrhosis. Presence of anti-endothelial cells antibodies (AECA) was assayed by a cell-based ELISA. Thirty-one PSVD, 40 cirrhosis patients, 15 patients with splenomegaly associated with haematological disease and 14 healthy donors were included in a validation set. FINDINGS The proportion of patients with at least one positive antibody was statistically significantly higher in patients with PSVD compared with cirrhosis (92% vs 56%; P < .01). Specifically, AECA were significantly more frequent in PSVD than in cirrhosis (38% vs 15%; P = .013). Results were confirmed in the validation set. In the overall population, presence of AECA had a 63% positive predictive value for diagnosing PSVD and a 71% negative predictive value, with a specificity of 94% when the 1/16 level is used as cut-off. AECA positive serum samples react with a 68-72 kDa protein of human liver endothelial sinusoidal cells.
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Affiliation(s)
- Eira Cerda Reyes
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Europa Azucena González-Navarro
- Immunology Service, Hospital Clinic, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marta Magaz
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | | | - Alba Diaz
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Pathology Department, Hospital Clinic, Barcelona, Spain
| | - Gilberto Silva-Junior
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Ana Triguero
- Hematology Service, Hospital Clínic, Barcelona, Spain
| | - Erica Lafoz
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Genís Campreciós
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Lara Orts
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Valeria Perez-Campuzano
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Susana Seijo
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Laura Rubio
- Immunology Service, Hospital Clinic, Barcelona, Spain
| | - Fanny Turon
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Anna Baiges
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Virginia Hernández-Gea
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain
| | - Alberto Álvarez-Larran
- Hematology Service, Hospital Clínic, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - Manel Juan
- Immunology Service, Hospital Clinic, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - Juan Carlos Garcia-Pagan
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Barcelona, Spain.,Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Barcelona, Spain.,University of Barcelona, Barcelona, Spain
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