{"schemaVersion":"collection-preview-v1","slug":"rheumatoid-arthritis-synovium-blood-expression","name":"Rheumatoid Arthritis Synovium/Blood Expression Collection","diseaseName":"Rheumatoid arthritis","scope":"Public rheumatoid arthritis expression datasets focused on synovium and blood contexts.","datasetCountLabel":"3 datasets","sampleCountLabel":"275 samples","cohortCountLabel":"1–5 defined cohorts","sampleCountRangeLabel":"20–232","speciesCoverageLabel":"Homo sapiens","technologyCoverageLabel":"microarray, bulk RNA-seq","mainTissuesLabel":"synovium, whole blood, PBMC","mainComparisonTypesLabel":"RA vs healthy control, RA synovium vs control tissue, active disease vs remission","contentModeLabel":"Preview fixture","lastUpdated":"2026-06-22","versionNumber":"v0.1-preview","previewFixture":true,"scientificReviewPending":false,"scientificReviewNotice":"","exampleDatasets":[{"accession":"GSE55235","title":"Rheumatoid arthritis synovium and healthy control tissue","tissue":"synovium","technology":"microarray","sampleCount":20},{"accession":"GSE55457","title":"Synovial tissue expression in rheumatoid arthritis","tissue":"synovium","technology":"microarray","sampleCount":23},{"accession":"GSE93272","title":"Whole blood rheumatoid arthritis activity expression cohort","tissue":"whole blood","technology":"microarray","sampleCount":232}]}