ArticleArthritis & rheumatology (Hoboken, N.J.)2019
Recognition of Amino Acid Motifs, Rather Than Specific Proteins, by Human Plasma Cell-Derived Monoclonal Antibodies to Posttranslationally Modified Proteins in Rheumatoid Arthritis.
Article in Arthritis & rheumatology (Hoboken, N.J.), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
74 citing papers in PubMed, 135 citations in OpenAlex.
- Improved classification of rheumatoid arthritis with a score including anti-acetylated ornithine antibodies.Scientific reports · 2020Trial
- Article
- Nonclinical safety assessment of SBT777101, a CAR-engineered regulatory T cell therapy for autoimmune diseases.Toxicological sciences : an official journal of the Society of Toxicology · 2026Article
- Protective and Pathogenic Antibodies to Citrullinated Antigens.Immunological reviews · 2026Review
- Anti-Modified Protein Antibodies in Rheumatoid Arthritis: Pathogenic, Protective, or Passive Bystander?Immunological reviews · 2026Review
- Absence of osteoclastogenic response to pooled polyclonal anti-citrullinated peptide/protein antibodies from patients with rheumatoid arthritis in vitro.Clinical and experimental medicine · 2026Article
- Low-input deep learning platform for citrullinated peptide identification, autoantigen discovery and rheumatoid arthritis treatment stratification.Nature biomedical engineering · 2026Article
- Distinct HLA Associations for Antibody Multireactivity With Citrulline-Containing Type II Collagen Epitopes Versus More Limited Antibody Reactivity With Citrulline-Containing IgG Epitopes in Rheumatoid Arthritis.Arthritis & rheumatology (Hoboken, N.J.) · 2026Article
- TNF-α blockade with adalimumab restores bone metabolism in rheumatoid arthritis by regulating cytokines and inflammatory cell infiltration.Frontiers in immunology · 2026Article
- Anti-Peptidylarginine Deiminase 4 Autoantibodies Derived From Patients With Rheumatoid Arthritis Exert Pathogenic Effects by Activating Monocytes and Exacerbating Inflammatory Arthritis.Arthritis & rheumatology (Hoboken, N.J.) · 2025Article
- Recognition of Glycine Versus Nonglycine Citrulline Motifs Dictating the HLA Class II Association of Anticitrullinated Protein Antibodies: Insights From Autoantibody Profiling of 6,900 Scandinavian Patients With Rheumatoid Arthritis.Arthritis & rheumatology (Hoboken, N.J.) · 2025Article
- Rheumatoid arthritis-associated rheumatoid factors post-COVID-19.Frontiers in immunology · 2025Article
- Citrullinated peptides as drug candidates for rheumatoid arthritis.Frontiers in immunology · 2025Review
- Limited Biomarker Potential for IgG Autoantibodies Reactive to Linear Epitopes in Systemic Lupus Erythematosus or Spondyloarthropathy.Antibodies (Basel, Switzerland) · 2024Article
- Novel autoantibodies help diagnose anti-SSA antibody negative Sjögren disease and predict abnormal labial salivary gland pathology.Annals of the rheumatic diseases · 2024Article
- The peculiar features, diversity and impact of citrulline-reactive autoantibodies.Nature reviews. Rheumatology · 2024Review
- Novel and unique rheumatoid factors cross-react with viral epitopes in COVID-19.Journal of autoimmunity · 2024Article
- Macrophage extracellular traps require peptidylarginine deiminase 2 and 4 and are a source of citrullinated antigens bound by rheumatoid arthritis autoantibodies.Frontiers in immunology · 2024Article
- Significance of Type II Collagen Posttranslational Modifications: From Autoantigenesis to Improved Diagnosis and Treatment of Rheumatoid Arthritis.International journal of molecular sciences · 2023Review
- Broad responses to chemical adducts shape the natural antibody repertoire in early infancy.Science advances · 2023Article
14 more citing papers are in PubMed but not listed here.
Corrections and comments
- Commented on byReply.2019
- Commented on by
Authors and funding
23 authors at 8 institutions in 5 countries.
Funding
Abstract
objectiveAntibodies against posttranslationally modified proteins are a hallmark of rheumatoid arthritis (RA), but the emergence and pathogenicity of these autoantibodies are still incompletely understood. The aim of this study was to analyze the antigen specificities and mutation patterns of monoclonal antibodies (mAb) derived from RA synovial plasma cells and address the question of antigen cross-reactivity.
methodsIgG-secreting cells were isolated from RA synovial fluid, and the variable regions of the immunoglobulins were sequenced (n = 182) and expressed in full-length mAb (n = 93) and also as germline-reverted versions. The patterns of reactivity with 53,019 citrullinated peptides and 49,211 carbamylated peptides and the potential of the mAb to promote osteoclastogenesis were investigated.
resultsFour unrelated anti-citrullinated protein autoantibodies (ACPAs), of which one was clonally expanded, were identified and found to be highly somatically mutated in the synovial fluid of a patient with RA. The ACPAs recognized >3,000 unique peptides modified by either citrullination or carbamylation. This highly multireactive autoantibody feature was replicated for Ig sequences derived from B cells from the peripheral blood of other RA patients. The plasma cell-derived mAb were found to target distinct amino acid motifs and partially overlapping protein targets. They also conveyed different effector functions as revealed in an osteoclast activation assay.
conclusionThese findings suggest that the high level of cross-reactivity among RA autoreactive B cells is the result of different antigen encounters, possibly at different sites and at different time points. This is consistent with the notion that RA is initiated in one context, such as in the mucosal organs, and thereafter targets other sites, such as the joints.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.