Foundry120 atlas

Inflammatory transcriptomic signatures and cell type compositions in inflamed and non-inflamed colonic mucosa of ulcerative colitis

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Dataset overview

Participants None
Samples 45
Reuse readiness 5.1/10 evidence-backed score

Inflammatory transcriptomic signatures and cell type compositions in inflamed and non-inflamed colonic mucosa of ulcerative colitis.

Study facts

Organism
Homo sapiens
Platform
Illumina HiSeq 2500
Age group
—
Disease groups
—
Anatomical sites
colon, colonic mucosa

Data availability

  • Processed matrix

File types TXT

Files and samples

Strengths & limitations for reuse

Strengths

  • Processed matrices are advertised

Limitations

  • Not documented: raw counts are advertised
  • Not documented: cell metadata are advertised
  • Not documented: participant counts are documented
Extraction evidence & provenance

Each extracted field is shown with the source excerpt and location used to resolve it.

Assay

FieldValueEvidence
assay.assay_type bulk RNA sequencing
employing RNA sequencing (RNAseq) to analyze transcriptomic changes in mucosal biopsy specimens

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assay.library_chemistry NEBNext Ultra II directional RNA library prep kit
The cDNA library was constructed with 1.0 μg of total RNA using NEBNext Ultra II directional RNA library prep kit for Illumina sequencer.

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assay.platform Illumina HiSeq 2500
"instrument_model": {"Illumina HiSeq 2500": 45}

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assay.reference_genome GRCh37
Assembly: GRCh37

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Cohort

FieldValueEvidence
cohort.disease_activity_metadata_available True
We compare active (UCA) and macroscopically inactive (UCI) inflammatory areas during colonoscopy in UC patients with normal controls (NC).

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cohort.non_ibd_controls 15
we obtained RNAseq data from 15 NCs

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Data_Assets

FieldValueEvidence
data_assets.open_access True
Public on Mar 19 2024

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data_assets.processed_matrix True
GSE243625_RNAseq_colon.txt.gz

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Processing

FieldValueEvidence
processing.normalization_method FPKM using Cufflinks
we computed Fragments Per Kilobase of transcript per Million mapped reads (FPKM) using Cufflinks

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processing.quality_control_reported True
RNA quality was assessed by RIN (RNA Integrity Number) algorithm on the Agilent 2100 bioanalyzer.

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Specimens

FieldValueEvidence
specimens.anatomical_sites ['colon', 'colonic mucosa']
mucosal biopsy specimens

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specimens.inflamed_status_available True
"Active ulceraitve colitis": 15

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specimens.number_of_samples 45
"sample_count": 45

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specimens.specimen_type biopsy
Colonoscopic biopsy specimens

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