{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:33:35Z","timestamp":1792787615030,"version":"4.5.0"},"reference-count":73,"publisher":"American Society for Clinical Investigation","issue":"14","license":[{"start":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T00:00:00Z","timestamp":1784678400000},"content-version":"vor","delay-in-days":50,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100013342","name":"NIHR Imperial Biomedical Research Centre","doi-asserted-by":"crossref","award":["Immunology Theme"],"award-info":[{"award-number":["Immunology Theme"]}],"id":[{"id":"10.13039\/501100013342","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Medical Research Foundation","award":["MRF-057-0003-RG-PETE-C0799"],"award-info":[{"award-number":["MRF-057-0003-RG-PETE-C0799"]}]},{"DOI":"10.13039\/100010269","name":"Wellcome Trust","doi-asserted-by":"crossref","award":["212252\/Z\/18\/Z"],"award-info":[{"award-number":["212252\/Z\/18\/Z"]}],"id":[{"id":"10.13039\/100010269","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,7,22]]},"abstract":"<jats:p>\n                    Systemic lupus erythematosus (SLE) is a heterogeneous systemic autoimmune disease, yet the molecular basis underlying this variability remains incompletely understood. We profiled the plasma proteome in 260 SLE patients and 86 healthy volunteers (HVs) using the SomaScan v4.1 platform, quantifying 7,288 analytes corresponding to 6,595 unique proteins. We identified 215 proteins that were robustly differentially abundant between SLE patients and HVs in both discovery (\n                    <jats:italic>n<\/jats:italic>\n                    = 207 SLE,\n                    <jats:italic>n<\/jats:italic>\n                    = 45 HVs) and validation sets (\n                    <jats:italic>n<\/jats:italic>\n                    = 53 SLE,\n                    <jats:italic>n<\/jats:italic>\n                    = 41 HVs). Within-cases analyses identified 421 proteins associated with disease activity. Network-based clustering delineated correlated protein modules, including an interferon-associated (IFN-associated) module and a kidney-associated module. Autoantibody-stratified analyses further uncovered distinct proteomic endotypes; positivity for antibodies targeting RNA-binding proteins (anti-Sm, anti\u2013Ro-60, anti-RNP68, anti\u2013RNP-A) was associated with increased IFN-stimulated protein levels (e.g., MX1, ISG15, and CXCL10), independent of disease activity. Anti-Sm, anti\u2013RNP-A, and anti-Ro52 antibodies were associated with reduced plasma levels of their respective autoantigens. Anti-dsDNA antibodies were associated with elevated levels of CD40 ligand (CD40LG) and the neutrophil protease, proteinase-3. Moreover, we identified an association between CD40LG and disease activity specific to the anti-dsDNA\u2013positive subgroup. Together, these data define plasma protein signatures of SLE and disease activity, highlight autoantibody-specific molecular phenotypes, and provide a basis for precision medicine.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.206938","type":"journal-article","created":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T16:00:39Z","timestamp":1780416039000},"source":"Crossref","is-referenced-by-count":2,"title":["Mapping the plasma proteomic architecture of systemic lupus erythematosus"],"prefix":"10.1172","volume":"11","author":[{"given":"Geoffrey H.D.","family":"Leung","sequence":"first","affiliation":[{"name":"Department of Immunology and Inflammation, Imperial College London, London, United Kingdom."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charlotte","family":"Bottomley","sequence":"additional","affiliation":[{"name":"Department of Immunology and Inflammation, Imperial College London, London, United 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