Evidence map›Paper›PMID 41204409›Full record

ArticleBMC immunology2025

Identification of gene modules associated with B cell activation and tissue remodeling in primary Sjögren's syndrome.

Jun Huang, Chen Zhang, Tingting Liu, Zhiyong Deng, Lei Liu

Abstract read
In one paragraph

Article in BMC immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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.

2 · The registry

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3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Jun HuangDepartment of Rheumatology and Immunology, Kunshan First People's Hospital, 215300, Suzhou, Jiangsu, China.
Chen ZhangDepartment of Rheumatology and Immunology, Kunshan First People's Hospital, 215300, Suzhou, Jiangsu, China.
Tingting LiuDepartment of Rheumatology and Immunology, Kunshan First People's Hospital, 215300, Suzhou, Jiangsu, China.
Zhiyong DengDepartment of Rheumatology and Immunology, Kunshan First People's Hospital, 215300, Suzhou, Jiangsu, China. yichun1988@yeah.net.
Lei LiuDepartment of Rheumatology and Immunology, Kunshan First People's Hospital, 215300, Suzhou, Jiangsu, China. ksliulei@126.com.

Funding

the Open Topics of the Jiangsu Provincial Key Laboratory of Clinical Immunology KJS2205
6 · The paper itself

Abstract

objectivePrimary Sjögren's syndrome (pSS) is a systemic autoimmune exocrinopathy affecting salivary and lacrimal glands. This study presents an exploratory single-cell transcriptomic analysis of labial salivary glands to generate hypotheses about B-cell-associated gene modules in pSS, and to uncover novel therapeutic targets for B cell modulation in pSS.

methodsThe high-dimensional weighted gene co-expression network analysis (hdWGCNA) was performed on gene expression data obtained from single-cell RNA sequencing (scRNA-seq) of 32,337 cells from labial glands of three pSS patients and three healthy controls. Gene Ontology (GO) enrichment analysis was subsequently conducted to investigate the functional roles of the identified gene modules. Additionally, the scRank method was applied to evaluate the responsiveness of key B cell-related targets across different cell types, providing new insights into the role of B cells in the pathogenesis of pSS.

resultsThrough hdWGCNA analysis, we resolved seven co-expression modules in pSS. Module 5, restricted to plasma cells, contains POU2AF1, SLAMF7, SPCS2, CD79A and PDIA6 and is highly enriched for COPI/II-mediated vesicle trafficking and B-cell-receptor signaling, thereby driving autoantibody production and chronic inflammation. Modules 1, 2, 4, 6 and 7 align with extracellular-matrix remodeling, epithelial stress and metabolic reprogramming, underscoring the disease's multifactorial pathobiology. scRank ranked Module 5 as the most drug-responsive cluster and highlighted POU2AF1, SLAMF7 and CD79A as tractable B-cell targets for restoring immune homeostasis in pSS.

conclusionsOur study identified distinct gene modules associated with pSS, with a particular emphasis on B cells, unveiling novel potential therapeutic targets. The activation of B cells, coupled with immune dysregulation and epithelial dysfunction, appears to play a critical role in pSS pathogenesis, offering valuable insights for developing targeted therapeutic strategies that address both immune activation and tissue repair. These findings nominate B-cell-associated modules-including a plasma cell-enriched module featuring POU2AF1, SLAMF7, and CD79A-as hypotheses for future functional validation.

Indexed as

B-LymphocytesGene Regulatory NetworksLymphocyte ActivationSjogren's SyndromeFemaleGene Expression ProfilingHumansSalivary GlandsSingle-Cell AnalysisTranscriptomeB cellsGene co-expression networkLabial glandScRNA-seqSjögren's syndrome

Identifiers

PMID41204409
PMCPMC12595810

What Socratic holds

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LicenceCC BY-NC-ND
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Registered trials

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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 Socratic graph.