Skip to main content

Table 3 Omic studies using lung tissue in IPF research

From: Tissue is an issue in the search for biomarkers in idiopathic pulmonary fibrosis

Study

Patients/sample type

Method

Factors in IPF

[30]

3 IPF-UIP

Oligonucleotide microarray

Muscle and smooth muscle markers, ECM proteins, factors associated with ECM formation, cell contraction, and actin filament organization increased in UIP

2 CTD-UIP

3 controls from lung cancer surgery

5 controls from CLONTECH

SLB

[31]

15 IPF

Affymetrix oligonucletide DNA microarray

Genes involved in development, epithelium, ECM structure/turnover, cellular growth, and differentiation upregulated in IPF

12 HP

8 NSIP

Controls (trauma victims)

SLB

[32]

14 IPF

Whole human genome oligonucleotide microarray

Factors involved in ECM turnover, structural constituents and degradation, and cell adhesion molecules increased in IIP

2 NSIP

10 familial IIP (6 UIP, 4 NSIP)

9 normal controls

Autopsy

SLB

Lung transplant

[33]

23 IPF (stable)

Agilent 4 × 4 whole human genome microarray

579 genes expressed differently in IPF and IPF-AEx: heat shock proteins, alpha-defensins, histones, and CCNA2

8 IPF-AEx

12 control lung

Lung transplant

Autopsy

[34]

6 stable or slowly progressive IPF

Serial analysis of gene expression (SAGE)

About 100 of transcripts upregulated in progressive IPF

6 progressive IPF

SLB

[35]

119 IPF-UIP

Affymetrix

Elevated expression of cilium genes associated with microscopic honeycombing, MUC5B, and MMP-7

50 controls

Microarray

Lung tissue samplesa

RT-PCR

[36]

14 IPF

Proteome analysis: two-dimensional gel electrophoresis and MALDI-TOF-MS

51 upregulated and 38 downregulated proteins in IPF

10 controls (donors)

Lung transplant

IHC

[37]

IPF 14

2-dimensional DIGE technique and MALDI-TOF-MS

Stress-induced genes upregulated in IPF and fNSIP

fNSIP 8

Controls 10 (organ donors)

Lung transplant

[38]

8 IPF

Affymetrix oligonucleotide microarray

255 genes differentially expressed between IPF and controls

8 PH-IPF

7 controls

Lung transplant

SLB

[39]

40 IPF

Gene expression microarray

2,940 genes differentially expressed between IPF and controls

8 controls

IHC

SLB

 

[40]

94 IPF

Agilent gene expression microarray

2,130 DMRs of which 738 associated with changes in gene expression

67 controls

CHARM array

Lung tissue samplesa

 
  1. UIP usual interstitial pneumonia, IPF idiopathic pulmonary fibrosis, CTD connective tissue disease, ECM extracellular matrix, HP hypersensitivity pneumonitis, NSIP nonspecific interstitial pneumonia, IIP idiopathic interstitial pneumonia, SLB surgical lung biopsy, AEx acute exacerbation of IPF, CCNA2 cyclin A2, MUC5B mucin-5 subtype B, MMP matrix metalloproteinase, fNSIP fibrotic nonspecific interstitial pneumonia, DMR differentially methylated regions, IHC immunohistochemistry, RT-PCR reverse transcriptase polymerase chain reaction.
  2. aLung tissue specimens (type not specified) obtained from the Lung Tissue Research Consortium.