GSE148233

Macrophages in Crohn’s disease creeping fat are predominantly inflammatory and produce calprotectin

Whole-study status Not suitable

Dataset does not meet the current suitability threshold.

Whole-study downloads — these do not apply your sample requirements.

Selected cohort requirements

Samples meeting selected requirements: 0 cases / 0 controls

View matching samples

14 case / 0 control samples elsewhere in the study have incomplete or conflicting evidence; they are not included above

Patient pairs verified in indexed sample metadata: 0

A case/control comparison meeting these requirements is not confirmed.

Counts describe samples, not independent patients. Pair verification uses explicit subject identifiers in indexed sample metadata. Zero verified pairs does not establish that the study is unpaired; reported matched-normal design alone is insufficient.

Summary

Crohn’s disease is characterized by transmural inflammation and therefore the mesenteric immune compartment has gained interest. However, its significance in Crohn’s disease is largely unclear. Macrophages are plastic cells that adapt their phenotype to environmental stimuli resulting in inflammatory and regulatory macrophage subsets. Hence, their distribution can reflect the overall nature of an immune infiltrate. We show that mesenteric macrophages contain two populations, characterized as CD11b-high and CD11b-dim. The CD11b-dim population is characterized by expression of regulatory markers CD206, CD200R, CD163, PD-L2, CD32. CD11b-high macrophages display an IFNγ induced signature and produce high levels of calprotectin. CD11b-dim and CD11b-high populations were comparable between Crohn’s disease and other indications in expression pattern, but the CD11b-high population was strongly overrepresented in this patient group.

Overall design

CD11b-high macrophages were isolated from the mesentery of patients undergoing bowel resection (n=12). CD11b-low macrophages were isolated from the same patients (n=10, remaining patients did not yield sufficient number of cells).

Source Evidence

4 sources
Source Contribution Status
GEO

Original dataset metadata, sample metadata, source links, and GEO data availability flags.

Sample records
22 GSM samples
Primary source
recount3

Planned trusted source for processed count availability.

No match found
Expression Atlas

Planned source for curated expression experiment links.

No match found
PubMed

Publication context when PubMed identifiers are already known.

No match found

Metadata Quality Components

Analysis Readiness

Not ready
40% DE readiness

Contrast completeness

10/25 pts

Only one side of the contrast is present; downstream DE needs both groups.

Minimum group size

0/20 pts

Minimum group size cannot be evaluated until a complete contrast exists.

Processed data availability

20/20 pts

Processed data is marked available in the GEO index.

Sample decision clarity

3/15 pts

Unassigned or review-needed samples remain before analysis.

Blocking warnings

0/10 pts

Critical warnings must be resolved before downstream analysis.

Metadata normalization

7/10 pts

Metadata quality is usable, but still deserves review.

Blockers

  • No complete case/control contrast is available.
  • 8 samples are still unassigned.
  • Critical dataset warnings must be resolved.

Next Steps

  • Resolve unassigned or review-needed samples in the grouping table.
  • Resolve critical warnings before downstream analysis.

Analysis Preparation Checklist

3/6 ready

Group labels reviewed

Blocked

No complete case/control grouping exists yet.

Review the sample grouping table and assign both case and control groups.

Minimum sample count met

Blocked

At least one group has fewer than 2 samples.

Choose a larger dataset or merge only scientifically valid groups.

Processed counts available

Ready

Processed data availability is marked true in the GEO index.

Verify that downloaded processed files contain usable count or expression identifiers.

Ambiguous samples handled

Needs review

0 review-needed samples and 8 unassigned samples remain.

Resolve ambiguous and unassigned samples before finalizing the contrast.

Exclusion decisions recorded

Ready

No hard-excluded samples were detected by the current rules.

Record any manual exclusions in the downstream analysis notes.

Source traceability preserved

Ready

The dataset and sample accessions can be traced back to GEO.

Keep GEO accessions with exported metadata.

Bioinformatician Review

Bioinformatician review required

Ask a bioinformatician to review grouping, count availability, exclusions, and design before DE.

Analysis readiness has blockers that must be resolved before DE.

Analysis preparation checklist contains blocked items.

No complete case/control or treatment/control contrast is available.

At least one comparison group has fewer than two samples.

One or more samples are unassigned and need manual grouping decisions.

Critical dataset warnings are present.

Assay context may require expert handling before DESeq2-style analysis.

Study design is model-system or unclear and should be reviewed before analysis.

Why This Is Ranked Here

Tumor vs normal
Not suitable Dataset does not meet the current suitability threshold.

Applied Review Decisions

No active review decisions affect this ranking.

Derived Classifications

  • Assay differs from search intent Microarray Search intent expects bulk RNA-seq. Assay came from Normalization rules.
  • Disease context Crohn's disease, ulcerative colitis Disease context came from Normalization rules.
  • Likely case group Ulcerative colitis 14 samples
  • Likely control group No control group detected 0 samples

Intent Interpretation

  • Downgrade or exclusion reason Comparison: Unclear study design. Specimen: Unclear specimen/source. Comparison suitability: 0%. Derived from current-intent ranking reasons.

Ranking Facts

Supporting evidence

  • Interpreted disease metadata: Crohn's disease, Ulcerative colitis.
  • Processed data is available for downstream review.

Cautions

  • Comparison: Unclear study design. Specimen: Unclear specimen/source. Comparison suitability: 0%.
  • Downgraded for tissue search because study design or specimen source is unclear.
  • Downgraded assay: microarray cohorts are separated from the RNA-seq intent.
  • Unclear study design downgraded for patient tissue tumor-vs-normal search intent.
  • Missing or unclear metadata. Unclear study design downgraded for patient tissue tumor-vs-normal search intent.
  • Unclear specimen/source downgraded for patient tissue tumor-vs-normal search intent.
  • Missing or unclear metadata. Unclear specimen/source downgraded for patient tissue tumor-vs-normal search intent.
  • Missing or unclear metadata. Tissue clarity - Tissue metadata was not normalized.
  • Overall score capped because comparison suitability is weak for the selected search intent.
  • Missing or unclear metadata. Comparison - Unclear study design. Specimen - Unclear specimen/source. Comparison suitability: 0%.
  • Missing or unclear metadata. Downgraded for tissue search because study design or specimen source is unclear.
  • Comparison suitability score is below the Phase 1 recommended threshold.

Dataset Warnings

Normalized Fields

17 fields

Sample Group Preview

22 rows shown
Show Hide
Study totals: Case 14 | Control 0 | Unassigned 8 | Excluded 0 | Ambiguous 0 22 rows shown
Group Role Accession Title Source / characteristics Reason
Ulcerative colitis Case GSM4456468 NonCD1_Dim Mesentery, macrophage, CD11b Dim, Ulcerative colitis Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Ulcerative colitis Case marker detected.
Ulcerative colitis Case GSM4456469 NonCD1_High Mesentery, macrophage, CD11b High, Ulcerative colitis Cell type: Macrophage; Cd11b population: High; Diagnosis: Ulcerative colitis Case marker detected.
Crohn's disease Case GSM4456470 CD1_High Mesentery, macrophage, CD11b High, Crohn Cell type: Macrophage; Cd11b population: High; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456473 CD2_High Mesentery, macrophage, CD11b High, Crohn Cell type: Macrophage; Cd11b population: High; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456474 CD3_Dim Mesentery, macrophage, CD11b Dim, Crohn Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456475 CD3_High Mesentery, macrophage, CD11b High, Crohn Cell type: Macrophage; Cd11b population: High; Diagnosis: Crohn's disease Case marker detected.
Ulcerative colitis Case GSM4456476 NonCD3_Dim Mesentery, macrophage, CD11b Dim, Ulcerative colitis Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Ulcerative colitis Case marker detected.
Ulcerative colitis Case GSM4456477 NonCD3_High Mesentery, macrophage, CD11b High, Ulcerative colitis Cell type: Macrophage; Cd11b population: High; Diagnosis: Ulcerative colitis Case marker detected.
Crohn's disease Case GSM4456478 CD4_Dim Mesentery, macrophage, CD11b Dim, Crohn Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456479 CD4_High Mesentery, macrophage, CD11b High, Crohn Cell type: Macrophage; Cd11b population: High; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456480 CD5_Dim Mesentery, macrophage, CD11b Dim, Crohn Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Crohn's disease Case marker detected.
Crohn's disease Case GSM4456481 CD5_High Mesentery, macrophage, CD11b High, Crohn Cell type: Macrophage; Cd11b population: High; Diagnosis: Crohn's disease Case marker detected.
Ulcerative colitis Case GSM4456484 NonCD5_Dim Mesentery, macrophage, CD11b Dim, Ulcerative colitis Cell type: Macrophage; Cd11b population: Dim; Diagnosis: Ulcerative colitis Case marker detected.
Ulcerative colitis Case GSM4456485 NonCD5_High Mesentery, macrophage, CD11b High, Ulcerative colitis Cell type: Macrophage; Cd11b population: High; Diagnosis: Ulcerative colitis Case marker detected.
Unassigned Unassigned GSM4456471 NonCD2_Dim Mesentery, macrophage, CD11b Dim, IBDU Cell type: Macrophage; Cd11b population: Dim; Diagnosis: IBDU No explicit case or control marker detected.
Unassigned Unassigned GSM4456472 NonCD2_High Mesentery, macrophage, CD11b High, IBDU Cell type: Macrophage; Cd11b population: High; Diagnosis: IBDU No explicit case or control marker detected.
Unassigned Unassigned GSM4456482 NonCD4_Dim Mesentery, macrophage, CD11b Dim, NonIBD Cell type: Macrophage; Cd11b population: Dim; Diagnosis: NonIBD No explicit case or control marker detected.
Unassigned Unassigned GSM4456483 NonCD4_High Mesentery, macrophage, CD11b High, NonIBD Cell type: Macrophage; Cd11b population: High; Diagnosis: NonIBD No explicit case or control marker detected.
Unassigned Unassigned GSM4456486 NonCD6_Dim Mesentery, macrophage, CD11b Dim, NonIBD Cell type: Macrophage; Cd11b population: Dim; Diagnosis: NonIBD No explicit case or control marker detected.
Unassigned Unassigned GSM4456487 NonCD6_High Mesentery, macrophage, CD11b High, NonIBD Cell type: Macrophage; Cd11b population: High; Diagnosis: NonIBD No explicit case or control marker detected.
Unassigned Unassigned GSM4456488 NonCD7_Dim Mesentery, macrophage, CD11b Dim, NonIBD Cell type: Macrophage; Cd11b population: Dim; Diagnosis: NonIBD No explicit case or control marker detected.
Unassigned Unassigned GSM4456489 NonCD7_High Mesentery, macrophage, CD11b High, NonIBD Cell type: Macrophage; Cd11b population: High; Diagnosis: NonIBD No explicit case or control marker detected.

Use as Discovery Cohort

External Validation Finder

Carry Siftome's disease, organism, specimen, assay, data type, and accession into a validation project. Uncertain fields remain Unknown.