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Table 2 Functional analysis of significantly differentially expressed genes (FDR < 0.01; LogFC = 1)

From: Mesenchymal stem cells transplanted into spinal cord injury adopt immune cell-like characteristics

Contrast

Direction

Category

ORA and NTA

Competitive gene set test

Terms (n)

FDR (median)

Genes (n)

FDR (exact)

MSC[Naive] vs MSC[In vitro]

Down

Cell-cycle regulation and progression

159

2.1e−04

276

2.3e−03

DNA recombination/metabolic process

46

3.6e−04

412

2.9e−03

Chromosome (condensed)

22

1.7e−06

129

5.5e−03

DNA repair and response to stress

11

1.9e−04

64

1.9e−03

Up

Immune system response

718

1.2e−05

940

7.6e−05

Signaling pathway

222

3.3e−04

862

3.7e−06

Cytokine production and response

207

7.1e−05

433

3.4e−04

Cellular response to stress and stimuli

198

1.3e−05

1346

1.2e−05

Metabolic process

161

2.4e−04

1345

2.3e−05

Protein modification/assembly/transport

112

6.4e−05

1061

3.4e−05

Ion transport and homeostasis

99

5.9e−06

420

3.4e−06

Cell migration and chemotaxis

91

8.1e−05

461

8.9e−07

Trans (cell) membrane transport

90

9.0e−04

372

9.8e−05

Ubiquitination and apoptosis

83

2.0e−04

546

8.8e−05

Signal transduction

67

9.9e−08

973

4.5e−06

Tissue development and regeneration

63

1.3e−04

1120

8.1e−06

Biosynthetic process

61

1.2e−03

656

8.5e−04

Cell-cell adhesion

59

1.1e−05

625

3.7e−06

Phagocytosis and endocytosis

43

1.7e−05

280

1.0e−03

Catabolic process

37

1.0e−03

277

4.1e−04

Regulation of (cell) proliferation

37

1.8e−05

524

1.7e−04

Cell membrane activity

31

4.0e−07

791

2.9e−05

Regulation of (cell) differentiation

28

7.4e−04

592

7.5e−07

Synaptic function and activity

22

3.1e−03

184

7.1e−04

Cell and tissue morphology

17

1.2e−03

496

5.6e−04

Receptor binding

15

1.3e−03

10

6.8e−03

Transcriptional activity

15

2.8e−03

485

1.2e−02

I-kappaB kinase/NF-kappaB signaling

14

2.6e−04

82

2.3e−03

Regulation of (cell) activation

12

0.0e+00

267

1.4e−03

Regulation of cell homeostasis

11

1.5e−03

161

9.1e−04

MSC[SCI] vs MSC[In vitro]

Down

Cell-cycle regulation and progression

220

1.3e−04

253

3.8e−03

DNA recombination/metabolic process

51

2.2e−04

370

9.6e−03

Chromosome (condensed)

25

6.1e−08

122

8.9e−03

DNA repair and response to stress

16

1.2e−05

76

5.1e−03

Meiotic cell-cycle process

15

7.5e−05

49

1.1e−02

Up

Immune system response

642

2.5e−05

836

2.6e−04

Cellular response to stress and stimuli

176

1.7e−05

1215

5.9e−05

Signaling pathway

173

3.5e−04

697

4.9e−05

Cytokine production and response

157

6.5e−05

399

7.1e−04

Metabolic process

122

7.0e−04

1126

2.0e−04

Ion transport and homeostasis

117

4.2e−07

439

1.4e−05

Protein modification/assembly/transport

102

3.2e−04

765

1.2e−04

Trans (cell) membrane transport

81

4.0e−04

372

1.4e−04

Cell migration and chemotaxis

77

1.1e−04

290

9.9e−05

Signal transduction

73

2.8e−06

723

5.5e−05

Tissue development and regeneration

67

2.1e−04

925

1.7e−06

Ubiquitination and apoptosis

63

6.5e−04

472

3.3e−04

Biosynthetic process

54

1.0e−03

558

1.1e−03

Cell-cell adhesion

49

3.1e−05

499

1.9e−05

Synaptic function and activity

38

2.1e−04

171

3.7e−05

Phagocytosis and endocytosis

36

1.7e−05

242

1.7e−03

Microtubuli and cytoskeleton

32

6.1e−04

508

2.7e−02

Cell membrane activity

31

3.1e−06

670

1.1e−04

Regulation of (cell) proliferation

29

2.6e−05

429

1.8e−04

Regulation of (cell) differentiation

25

1.5e−03

506

1.3e−05

Transcriptional activity

18

3.0e−03

356

1.6e−04

Catabolic process

17

5.5e−03

233

1.3e−03

Cell and tissue morphology

15

4.6e−03

275

2.3e−05

Regulation of (cell) activation

12

5.0e−10

252

2.2e−03

I-kappaB kinase/NF-kappaB signaling

11

5.9e−04

70

2.3e−03

Secretion

11

2.3e−03

89

1.8e−04

Neuronal cell activity

10

2.4e−07

366

2.7e−05

Sensory perception process

10

1.8e−03

59

4.7e−05

MSC[SCI] vs MSC[Naive]

Up

Tissue development and regeneration

52

8.7e−04

43

6.3e−04

Cell morphology

27

9.6e−04

36

9.6e−04

  1. ORA over-representation enrichment analysis, NTA network topology-based analysis. Terms: unique terms identified using Gene Ontology (GO)–biological process, GO–molecular function, GO–cellular component, Kyoto Encyclopedia of Genes and Genomes (KEGG), network retrieval and prioritization (NRP), network expansion (NE). Genes: unique genes constituting the (unique) GO and KEGG terms for a specific category. Categories with a total of less than ten unique GO/KEGG terms are omitted from the table for enhanced interpretation