ArticleAnnals of the rheumatic diseases2024
Evidence that autoantibody production may be driven by acute Epstein-Barr virus infection in Sjögren's disease.
Article in Annals of the rheumatic diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Tripartite motif containing 21 autoimmunity primes CD8Arthritis research & therapy · 2026Article
- Identification of a shared antigen linking CD4Science advances · 2026Article
- EBV Genome Variations and Association With Diseases.Journal of medical virology · 2026Review
- Viral Immunity in Immunoglobulin Products: Global Immunity Debt and Autoimmunity in the Postpandemic Era.European journal of immunology · 2026Article
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Authors and funding
14 authors.
Funding
Abstract
objectivesSjögren's disease (SD) is an autoimmune disease affecting the exocrine glands that is associated with autoantibodies against Ro60/SS-A, anti-Ro52/TRIM21, La/SS-B and others. We examined the role of acute Epstein-Barr virus (EBV) infection in the pathogenesis of these autoantibodies in a previously healthy patient (patient 1) with primary EBV infection who developed SD with anti-Ro/La and anti-Smith/U1 ribonucleoprotein (Sm/U1RNP) autoantibodies and had lymphoplasmacytic foci on labial salivary gland biopsy.
methodsImmune responses to Epstein-Barr nuclear antigen-1 (EBNA1) and the Ro52/Ro60/La and Sm/U1RNP autoantigens and peptides were examined by immunoassay in patient 1, healthy and disease controls.
resultsAnti-Ro52 and anti-Ro60 autoantibodies were present 7 days after primary infection and underwent IgM to IgG switching, suggesting that EBV infection promoted their production. More than 7 months after primary infection, new and increasing levels of antibodies against EBNA1 and the U1RNP autoantigen appeared concomitantly. These antibodies bound homologous peptide sequences shared by EBNA1, SmB' and the U1-C (U1RNP) protein, consistent with induction by molecular mimicry. Although Ro60 and EBNA1 crossreact immunologically, we found that anti-Ro60/anti-Ro52 antibody production was stimulated by acute EBV infection long before the onset of anti-EBNA1. Unexpectedly, a subset of healthy control sera had anti-SmB' peptide antibodies that were not correlated with anti-EBNA1 peptide antibodies. In contrast, anti-SmB' and EBNA1 peptide antibody levels correlated in anti-Sm/U1RNP
conclusionsPrimary EBV infection can promote anti-Ro60/anti-Ro52 and anti-U1RNP responses, though by different mechanisms. Some healthy individuals produce anti-SmB' peptide autoantibodies independently of a response to EBNA1.
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