ArticleArthritis research & therapy2024
B cell receptor repertoire analysis in primary Sjogren's syndrome salivary glands identifies repertoire features associated with clinical activity.
Article in Arthritis research & therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed, 4 citations in OpenAlex.
- Decoding autoimmune disease with single-cell immune repertoire and transcriptome sequencing: mechanisms and therapeutic opportunities.Frontiers in immunology · 2026Review
- The role and function of CTLA-4 in Sjögren's syndrome.Frontiers in immunology · 2026Review
- Characterization of Peripheral Blood Immune Cell Features in SSA/SSB Double‑Positive Primary Sjögren's Disease Based on Single‑Cell RNA Sequencing.Journal of inflammation research · 2026Article
- Immunological profiling and treatment patterns of primary Sjögren's disease patients with concomitant rheumatoid arthritis: a retrospective cohort study.Frontiers in immunology · 2026Article
- B cell receptor signaling in autoimmune rheumatic diseases: regulatory mechanisms and therapeutic targeting.Frontiers in immunology · 2026Review
- Single-cell multiomic analysis unveils the immune landscape dynamics of graves' ophthalmopathy.Communications biology · 2025Article
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Authors and funding
14 authors at 3 institutions in 1 country.
Funding
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Abstract
backgroundPrimary Sjogren's syndrome (pSS) is a complex autoimmune disease featuring damage to salivary and lacrimal glands, with the possibility of manifestations across multiple organs. Antibody-producing B cells have long been appreciated to play a significant role in pSS pathogenesis, with a number of autoreactive antibody species having been identified to be elevated in pSS patients. While several studies have attempted to characterize the BCR repertoires of peripheral blood B cells in pSS patients, much remains unknown about the repertoire characteristics of gland-infiltrating B cells.
methodsThrough paired scRNAseq and scBCRseq, we profiled the BCR repertoires of both infiltrating and circulating B cells in a small cohort of patients. We further utilize receptor reconstruction analyses to further investigate repertoire characteristics in a wider cohort of pSS patients previously profiled through RNAseq.
resultsVia integrated BCR and transcriptome analysis of B cell clones, we generate a trajectory progression pattern for infiltrated memory B cells in pSS. We observe significant differences in BCR repertoires between the peripheral blood and labial gland B cells of pSS patients in terms of relative expansion, isotype usage, and BCR clustering. We further observe significant decreases in IgA2 isotype usage among pSS patient labial and parotid gland B cells these analyses relative to controls as well as a positive correlation between kappa/lambda light chain usage and clinical disease activity.
conclusionsThrough BCR repertoire analysis of pSS patient salivary glands, we identify a number of novel repertoire characteristics that may serve as useful indicators of clinical disease and disease activity. By collecting these BCR repertoires into an accessible database, we hope to also enable comparative analysis of patient repertoires in pSS and potentially other autoimmune disorders.
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