Table 3 Enrichment of functional interactors of COPD GWAS genes in the gene expression results (differentially expressed genes with FDR < 0.05).

From: Functional interactors of three genome-wide association study genes are differentially expressed in severe chronic obstructive pulmonary disease lung tissue

Experiment

Number of genes or proteins*

Overlap with 204 COPD genes

Enrichment p-value for COPD genes

Overlap with 1,366 FEV1% predicted genes

Enrichment p-value for FEV1% predicted genes

Overlap with 1,429 FEV1/FVC genes

Enrichment p-value for FEV1/FVC genes

IREB2 RIP-seq

4008

64

2.4e-5

359

3.6e-11

400

<1.0e-12

HHIP affinity purification

216

5

0.062

34

1.8e-6

45

1.6e-11

FAM13A affinity purification

97

0

1

8

0.31

8

0.35

Hhip+/+ vs. Hhip+/− mouse, 6 mo smoke

492

15

0.00011

60

2.7e-6

61

5.4e-6

Hhip mouse, genotype x smoke interaction

549

12

0.0082

46

0.054

46

0.095

IREB2 Irp2+/+ vs. Irp2−/− mouse knockout

31

0

1

3

0.33

3

0.36

HHIP shRNA knockdown

266

3

0.49

20

0.30

19

0.46

FAM13A siRNA knockdown

598

13

0.0063

54

0.011

61

0.0013

IREB2 trans-eQTLs at p < 0.05

1612

31

0.00023

171

1.4e-10

159

1.7e-6

HHIP trans-eQTLs at p < 0.05

1560

21

0.087

143

2.4e-05

156

9.4e-7

FAM13A trans-eQTL at p < 0.05

1753

38

2.7e-06

209

<1.0e-12

194

8.7e-12

  1. *Unique gene annotations found in the final expression data.