Lupus & antiphospholipid syndrome

Molecular characterisation of lupus low disease activity state (Lupus LDA State (LLDAS)) and DORIS remission by whole-blood transcriptome-based pathways in a pan-European systemic lupus erythematosus cohort

Ann Rheum DisPublished Cross-sectional study

Authors' conclusion

We demonstrated for the first time molecular signalling pathways distinguishing LLDAS/remission from active SLE. LLDAS/remission was associated with reversal of biological processes related to SLE pathogenesis and specific clinical manifestations.

Study context

Population
Systemic lupus erythematosus (SLE) patients from the PRECISESADS project
Participants
321 patients
Exposure
LLDAS vs non-LLDAS; DORIS remission vs non-remission; LLDAS exclusive of remission
Outcome
Differentially expressed pathways (DEPs)
Methodological detailswhole-blood transcriptome-based pathway analysis, pan-European cohort
  • Whole-blood transcriptome-based pathway analysis
  • pan-European cohort

Main finding

As reported in the abstract

Differentially expressed pathways
Patients in LLDAS
40.8%
Patients in DORIS remission
17.4%
Patients in LLDAS after exclusion of patients in remission
28.3%
Pathways differing significantly, LLDAS vs non-LLDAS (q<0.05, dr≥0.36)
604
Pathways differing significantly, DORIS remitters vs non-remitters (q<0.05, dr≥0.36)
288

Observational data: associations, not effects.

Original publication

Molecular characterisation of lupus low disease activity state (LLDAS) and DORIS remission by whole-blood transcriptome-based pathways in a pan-European systemic lupus erythematosus cohort. Ann Rheum Dis. Published 12 June 2024. doi:10.1136/ard-2023-224795

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