ArticleScientific reports2020
IgM antibodies against malondialdehyde and phosphorylcholine in different systemic rheumatic diseases.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.
- Sjögren's syndrome: novel insights from proteomics and miRNA expression analysis.Frontiers in immunology · 2023Pooled it
- Do human B-1 lymphocytes truly exist?Frontiers in immunology · 2026Review
- Dysregulation of innate and adaptive lymphoid immunity may have implications for symptom attribution and predict responses to targeted therapies in neuropsychiatric systemic lupus erythematosus.Journal of translational autoimmunity · 2025Article
- Plasma levels of anti phosphocholine IgM antibodies are negatively correlated with bone mineral density in humans.Scientific reports · 2025Article
- Autoimmune diseases and atherosclerotic cardiovascular disease.Nature reviews. Cardiology · 2024Review
- Interferon and B-cell Signatures Inform Precision Medicine in Lupus Nephritis.Kidney international reports · 2024Article
- Antibodies against Phosphorylcholine-Implications for Chronic Inflammatory Diseases.Metabolites · 2023Review
- Systemic lupus erythematosus and cardiovascular disease.Journal of internal medicine · 2023Review
- The OSE complotype and its clinical potential.Frontiers in immunology · 2022Review
- Potential natural immunization against atherosclerosis in hibernating bears.Scientific reports · 2021Article
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Authors and funding
8 authors at 16 institutions in 10 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
IgM antibodies against phosphorylcholine (anti-PC) and malondialdehyde (anti-MDA) may have protective properties in cardiovascular and rheumatic diseases. We here compare these antibodies in systemic rheumatic conditions and study their properties. Anti-PC and anti-MDA was measured using ELISA in patients with SLE (374), RA (354), Mixed connective tissue disease (MCTD, 77), Systemic sclerosis (SSc, 331), Sjögren's syndrome (SjS, 324), primary antiphospholipid syndrome (PAPs, 65), undifferentiated connective tissue disease (UCTD, 118) and 515 matched healthy controls (HC). Cardiovascular score (CV) was broadly defined based on clinical disease symptoms. Anti-PC and anti-MDA peptide/protein characterization were compared using a proteomics de novo sequencing approach. anti-MDA and anti-PC were extracted from total IgM. The proportion of Treg cells was determined by flow cytometry. The maximal difference between cases and controls was shown for MCTD: significantly lower IgM Anti-PC but not anti-MDA among patients (median 49.3RU/ml vs 70.4 in healthy controls, p(t-test) = 0.0037). IgM low levels were more prevalent in MCTD, SLE, SjS, SSc and UCTD. IgM anti-PC variable region profiles were different from and more homologous than anti-MDA. Anti-PC but not anti-MDA were significantly negatively correlated with CV in the whole patient group. In contrast to IgM anti-PC, anti-MDA did not promote polarization of Tregs. Taken together, Anti-PC is decreased in MCTD and also in SLE, SjS and SSc but not in other studied diseases. Anti-PC may thus differentiate between these. In contrast, anti-MDA did not show these differences between diseases studied. Anti-PC level is negatively correlated with CV in the patient group cohort. In contrast to anti-PC, anti-MDA did not promote Treg polarization. These findings could have both diagnostic and therapeutic implications, one possibility being active or passive immunization with PC in some rheumatic conditions.
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