{"schemaVersion":"collection-preview-v1","slug":"colorectal-cancer-tumor-normal-expression","name":"Colorectal Cancer Tumor-Normal Expression Collection","diseaseName":"Colorectal cancer","scope":"Public human colorectal cancer datasets with tumor-normal expression comparisons.","datasetCountLabel":"3 datasets","sampleCountLabel":"1,064 samples","cohortCountLabel":"1–5 defined cohorts","sampleCountRangeLabel":"108–566","speciesCoverageLabel":"Homo sapiens","technologyCoverageLabel":"bulk RNA-seq, microarray","mainTissuesLabel":"colon tumor, rectal tumor, adjacent normal colon","mainComparisonTypesLabel":"tumor vs matched normal, tumor vs adjacent normal","contentModeLabel":"Preview fixture","lastUpdated":"2026-06-22","versionNumber":"v0.1-preview","previewFixture":true,"scientificReviewPending":false,"scientificReviewNotice":"","exampleDatasets":[{"accession":"GSE50760","title":"Colorectal cancer tumor and matched normal RNA-seq","tissue":"colon tumor","technology":"bulk RNA-seq","sampleCount":108},{"accession":"GSE41258","title":"Colorectal cancer primary tumor and normal tissue microarray","tissue":"colon tumor","technology":"microarray","sampleCount":390},{"accession":"GSE87211","title":"Colon adenocarcinoma tumor-normal expression cohort","tissue":"colon tumor","technology":"microarray","sampleCount":566}]}