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Table · dataset · 2026

<p>Baseline cohort characteristics.</p>

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<div><p>Red blood cell (RBC) alloimmunization is a clinically significant complication in transfused patients whose immunological determinants remain incompletely understood.

Description

Type I interferon (IFN-I) signaling drives RBC alloimmunization in murine models, and systemic lupus erythematosus (SLE) is characterized by constitutive IFN-I hyperactivation alongside elevated alloimmunization rates. We analyzed three publicly available SLE RNA-seq cohorts (GSE72509, GSE112087, GSE122459; whole blood and PBMC; total n = 150 SLE) in a pre-specified discovery–replication–validation design.

A 14-gene IFN-I signature score was computed per sample; differential expression, gene set enrichment analysis, and Spearman correlation were performed independently per cohort. IFN-I scores were significantly elevated in SLE versus healthy controls in all three cohorts (p < 0.01 each). IFN-high SLE patients showed 665 differentially expressed genes, with enrichment of alloimmunization-associated and plasmablast differentiation gene sets confirmed by GSEA.

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The alloimmunization signature score correlated significantly with IFN-I score across all three independent cohorts (ρ = +0.77, + 0.51, + 0.60; all FDR q < 0.05); Tfh differentiation showed no association in any cohort. These findings suggest that IFN-I pathway activity in SLE is associated with an alloimmunization-prone transcriptomic landscape, To our knowledge, this represents the first human transcriptomic evidence that IFN-I pathway activity in SLE is coupled to alloimmunization-associated immune programs in vivo.

These findings identify IFN-I score as a candidate biomarker of alloimmunization susceptibility in SLE and provide translational rationale for prospective studies incorporating transfusion outcome data.</p></div>

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RNA sequencing 65%
Provenance · 1 source records, 23 field assertions
SourceKeyLast seenRaw
figshareoai:figshare.com:article/3381501312 d agoJSON v1
FieldAssertionExtractorEvidence
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concepts[field].anzsrc:field:320211mapping · figshare comvocabulary-mapper@1.0.0keywords['Infectious Diseases']
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concepts[field].anzsrc:group:3105mapping · figshare comvocabulary-mapper@1.0.0keywords['Genetics']
concepts[field].anzsrc:group:3204mapping · figshare comvocabulary-mapper@1.0.0keywords['Immunology']
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