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Table 3 High frequency pathways* identified by KEGG/pathway analysis in clusters 1, 2, and 3

From: Microarray analysis of expression of cell death-associated genes in rat spinal cord cells exposed to cyclic tensile stresses in vitro

rank

pathway (total gene count)

p-value

count

cluster 1

1

Glutamate metabolism (26)

0.0021

2

2

D-Glutamine and D-glutamate metabolism (3)

0.0081

1

3

Taurine and hypotaurine metabolism (10)

0.0266

1

4

Pantothenate and CoA biosynthesis (11)

0.0293

1

cluster 2

1

T cell receptor signaling pathway (95)

0.0156

2

2

Glycosphingolipid biosynthesis - ganglio series (15)

0.0307

1

3

Cell adhesion molecules (CAMs) (151)

0.0371

2

cluster 3

1

Focal adhesion (187)

0.0001

17

2

Bladder cancer (36)

0.0001

7

3

TGF-beta signaling pathway (81)

0.0003

10

4

Pathways in cancer (313)

0.0005

22

5

Prostate cancer (92)

0.0008

10

6

Small cell lung cancer (92)

0.0008

10

7

ECM-receptor interaction (74)

0.0028

8

8

Glioma (64)

0.0047

7

9

Melanoma (69)

0.0072

7

10

Renal cell carcinoma (69)

0.0072

7

11

PPAR signaling pathway (70)

0.0078

7

12

mTOR signaling pathway (54)

0.0081

6

13

Gap junction (90)

0.0091

8

14

Glycerophospholipid metabolism (46)

0.0168

5

15

MAPK signaling pathway (255)

0.0200

15

16

Non-small cell lung cancer (52)

0.0273

5

17

Pancreatic cancer (71)

0.0286

6

18

GnRH signaling pathway (91)

0.0296

7

19

Adherens junction (73)

0.0323

6

20

Pyruvate metabolism (38)

0.0351

4

21

Regulation of actin cytoskeleton (204)

0.0357

12

22

Leukocyte transendothelial migration (116)

0.0366

8

23

Chronic myeloid leukemia (79)

0.0449

6

24

Glutathione metabolism (42)

0.0482

4

  1. *, Listed pathways are all statistically significant (P < 0.05). "total gene count" means the number of genes in each pathway, which have already been registered in KEGG system, and "count" means the number of genes, which were expressed significantly in each pathway in this study.