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Explore premium collections with reusable study, cohort and sample curation. The matching scope is stated for each collection. Organism, tissue, comparison and sample requirements still need review; collection availability does not affect dataset ranking.

IBD Colon Tissue Expression Collection

Disease scope matches your disease term.

Public colon tissue expression datasets for IBD, Crohn's disease, and ulcerative colitis.

Preview fixture · Version v0.1-preview

Study inventory
3 datasets
Reported sample inventory
522 samples
Updated
2026-06-22
Disease
Inflammatory bowel disease
Organisms
Homo sapiens
Technologies
microarray, bulk RNA-seq
Tissues
colon biopsy, inflamed colon tissue, non-inflamed colon tissue
Comparisons
IBD vs non-IBD control, inflamed vs non-inflamed tissue, Crohn's disease vs ulcerative colitis
Query overlap with this collection version
DimensionYour queryCollection scopeComparison
Disease Inflammatory bowel diseaseInflammatory bowel disease MATCH

Declared collection scope includes this requested dimension; question-specific sample eligibility still needs review.

Specimen colon biopsy, inflamed colon tissue, non-inflamed colon tissue NOT_REQUESTED

No explicit query requirement was supplied for this dimension.

Organism Homo sapiens NOT_REQUESTED

No explicit query requirement was supplied for this dimension.

Comparison IBD vs non-IBD control, inflamed vs non-inflamed tissue, Crohn's disease vs ulcerative colitis NOT_REQUESTED

No explicit query requirement was supplied for this dimension.

Full access adds reusable curated cohort structure, sample decisions and provenance. Review the content status above before treating a release as professionally approved. Ordinary Search results remain available below.

Preview collection

Counts describe the collection inventory, not final eligible samples or independent subjects. Preview fixtures are illustrative; review-pending releases are not professionally approved.

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15 shown of 146 matching datasets Comparison Tumor vs normal Tissue/sample context Patient tissue Organism Any organism Assay Any assay Ranking defaults Modified 6 user changes 1 active filters Page 8 of 10 · showing 106-120
Treatment requirements Optional See what each comparison arm must satisfy — Unrestricted

Comparison: Tumor vs normal

Case arm

Your requirement
Treatment agent

Comparator

From comparison

Determined by comparison

For treatment vs control, use a named agent, an explicit collection window and an exposed or unexposed state. The comparator needs the opposite reported exposure state for the same agent, target and window.

Other comparisons keep their own normal or healthy comparator requirements. This treatment restriction is not copied to them.

Collection, target and matching

Named agent if supplied; otherwise all interventions.

Scope & matching · additional options

Missing metadata never proves no exposure.

Evidence and comparison rules

Exact results require an eligible sample subset and reported independent subjects in both arms.

“No exposure” applies only to the selected agent, target and time window. No exposure to a new agent before collection does not rule out earlier therapy.

A broader treatment history requires separate, explicit evidence and may be unavailable. All prior therapy requires a through-collection window.

Planned exposure does not establish that treatment occurred. Treatment vs control requires an exposed or unexposed state, a named agent and an explicit collection window.

Organism and specimen requirements apply to both arms. For treatment vs control, disease requirements also apply to both arms.

Genotype requirements Optional Define a requirement, then assign it to samples — Unrestricted
Genotype assignment and variant
Specific protein variant · optional

Leave blank for a gene-level requirement. A variant restriction applies to every selected arm.

Genotype describes sampled material. Confirmed evidence must come from the same samples as your other requirements.

Use with human bulk RNA-seq or expression microarray.

Evidence and comparison rules

Select Homo sapiens and a supported assay in the search filters.

Missing genotype does not establish wild type. Both comparison arms still need eligible, independent samples.

A subject's carrier status does not establish the sampled tumor's genotype or disease.

Ranking filters

Fine-tune ranking behavior without changing the search criteria above.

Clear filters Ranking defaults Relax defaults

Showing one page of matching results. Use next/previous for browsing, or CSV/Markdown export for the full matching set.

Strict results

These datasets meet every active search criterion.

Organization: IDIBAPS

Case Crohn's disease Control unclear
Unclear study design Biofluid
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because it is a biofluid cohort.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Interpreted disease metadata: Crohn's disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 30521002.
critical No clear control group was detected from normalized metadata. info Microarray expression context was detected; compare separately from RNA-seq cohorts. warning Microarray datasets are downgraded in the patient-tissue tumor-normal intent unless secondary assays are explicitly enabled. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: The University of North Carolina at Chapel Hill

Case Crohn's disease Control unclear
Unclear study design Biopsy
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Crohn's disease, Inflammatory bowel disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 3 publications; 3 DOIs available: PMID 30282822, PMID 32561494, PMID 38385744.
critical No clear control group was detected from normalized metadata. warning Secondary RNA assay context such as small RNA, miRNA, circRNA, or non-coding RNA was detected. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: The University of North Carolina at Chapel Hill

Case Crohn's disease Control unclear
Unclear study design Biopsy
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Crohn's disease, Inflammatory bowel disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 3 publications; 3 DOIs available: PMID 30282822, PMID 32561494, PMID 38385744.
critical No clear control group was detected from normalized metadata. warning Secondary RNA assay context such as small RNA, miRNA, circRNA, or non-coding RNA was detected. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Rappaport Institute of Medical Research, Faculty of Medicine and Faculty of Biology, Technion

Case Crohn's disease Control unclear
Unclear study design Biofluid
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because it is a biofluid cohort.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Interpreted disease metadata: Crohn's disease, Inflammatory bowel disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 2 publications; 2 DOIs available: PMID 29618496, PMID 32104045.
critical No clear control group was detected from normalized metadata. info Microarray expression context was detected; compare separately from RNA-seq cohorts. warning This record is a third-party integration or reanalysis of public datasets. The GEO sample count may describe deposited atlas records rather than one independent clinical cohort; verify source-study provenance before analysis. warning Microarray datasets are downgraded in the patient-tissue tumor-normal intent unless secondary assays are explicitly enabled. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: IGTP

Case mixed disease cohort Control unclear
Unclear study design Biofluid
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because it is a biofluid cohort.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Inflammatory bowel disease, Ulcerative colitis.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 30329026.
critical No clear control group was detected from normalized metadata. warning Secondary RNA assay context such as small RNA, miRNA, circRNA, or non-coding RNA was detected. warning Multiple disease or phenotype arms were detected. The displayed grouping summarizes the full dataset; select the requested disease-specific contrast before analysis. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Penn State University

Case ulcerative colitis Control unclear
Unclear study design Tissue
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Ulcerative colitis.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 31826065.
critical No clear control group was detected from normalized metadata. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Georgia Institute of Technology

Case ulcerative colitis Control unclear
Unclear study design Biopsy
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Ulcerative colitis.
  • Processed data is available for downstream review.
critical No clear control group was detected from normalized metadata. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Cedars Sinai Medical Center

Case Crohn's disease Control unclear
Unclear study design Tissue
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Crohn's disease, Fibrosis.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 32991841.
critical No clear control group was detected from normalized metadata. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Osaka University

Case Crohn's disease Control unclear
Unclear study design Tissue
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Colorectal cancer, Crohn's disease, Ulcerative colitis.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 33384384.
critical No clear control group was detected from normalized metadata. warning Multiple sample type labels or exclusion flags were detected. warning Cell line samples appear to be included. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Ospedale San Raffaele

Case mixed disease cohort Control unclear
Unclear study design Biopsy
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Crohn's disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 36521659.
critical No clear control group was detected from normalized metadata. warning Multiple disease or phenotype arms were detected. The displayed grouping summarizes the full dataset; select the requested disease-specific contrast before analysis. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Cleveland Clinic

Case mixed disease cohort Control untreated
Unclear study design Tissue
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Interpreted disease metadata: Crohn's disease, Fibrosis, Inflammatory bowel disease, Ulcerative colitis.
  • Processed data is available for downstream review.
warning Dataset has fewer than six samples and should not be treated as a high-confidence cohort without manual review. info Microarray expression context was detected; compare separately from RNA-seq cohorts. warning Multiple disease or phenotype arms were detected. The displayed grouping summarizes the full dataset; select the requested disease-specific contrast before analysis. warning Microarray datasets are downgraded in the patient-tissue tumor-normal intent unless secondary assays are explicitly enabled. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Rappaport Institute of Medical Research, Faculty of Medicine and Faculty of Biology, Technion

Case Crohn's disease Control unclear
Unclear study design Biofluid
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because it is a biofluid cohort.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Interpreted disease metadata: Crohn's disease, Inflammatory bowel disease, Rheumatoid arthritis.
  • Processed data is available for downstream review.
critical No clear control group was detected from normalized metadata. info Microarray expression context was detected; compare separately from RNA-seq cohorts. warning Microarray datasets are downgraded in the patient-tissue tumor-normal intent unless secondary assays are explicitly enabled. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Imperial College London

Case ulcerative colitis Control unclear
Unclear study design Biopsy
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Interpreted disease metadata: Ulcerative colitis.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 36170836.
critical No clear control group was detected from normalized metadata. info Microarray expression context was detected; compare separately from RNA-seq cohorts. warning Microarray datasets are downgraded in the patient-tissue tumor-normal intent unless secondary assays are explicitly enabled. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: NBI

Case mixed disease cohort Control unclear
Unclear study design Tissue
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Inflammatory bowel disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 37132462.
critical No clear control group was detected from normalized metadata. warning Multiple disease or phenotype arms were detected. The displayed grouping summarizes the full dataset; select the requested disease-specific contrast before analysis. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping.

Organization: Cedars-Sinai

Case mixed disease cohort Control unclear
Unclear study design Mixed specimen/source
Rationale for Tumor vs normal

Dataset does not meet the current suitability threshold.

  • Downgraded for tissue search because specimen/source classes are mixed.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Prioritized assay: bulk RNA-seq is the active assay expectation.
  • Interpreted disease metadata: Crohn's disease, Inflammatory bowel disease.
  • Processed data is available for downstream review.
  • External evidence: PubMed links 1 publication; 1 DOI available: PMID 41821786.
critical No clear control group was detected from normalized metadata. warning Multiple disease or phenotype arms were detected. The displayed grouping summarizes the full dataset; select the requested disease-specific contrast before analysis. warning Patient-tissue tumor-normal intent requires clear tumor-normal grouping. warning Patient-tissue tumor-normal intent requires tissue or biopsy source clarity.