Table 5 Results of GO enrichment analysis.

From: Analysis of proteins released from osteoarthritic cartilage by compressive loading

Category

Term

Protein count

%

P value

Fold enrichment

GOTERM_BP_DIRECT

GO:0030199 ~ collagen fibril organization

10

16.9

1.40E−13

54.4

GO:0030198 ~ extracellular matrix organization

12

20.3

2.10E−12

23.7

GO:0001501 ~ skeletal system development

11

18.6

8.64E−12

26.4

GO:0072378 ~ blood coagulation, fibrin clot formation

4

6.8

9.00E−07

186.5

GO:0070527 ~ platelet aggregation

5

8.5

1.01E−05

36.3

GO:0007160 ~ cell–matrix adhesion

6

10.2

1.75E−05

18.3

GO:0007155 ~ cell adhesion

9

15.3

2.50E−04

5.3

GO:0090277 ~ positive regulation of peptide hormone secretion

3

5.1

3.95E−04

97.9

GO:0045087 ~ innate immune response

9

15.3

3.98E−04

4.9

GO:0007601 ~ visual perception

6

10.2

4.31E−04

9.3

GOTERM_MF_DIRECT

GO:0005201 ~ extracellular matrix structural constituent

22

37.3

2.07E−31

53.6

GO:0005518 ~ collagen binding

11

18.6

4.96E−15

54.3

GO:0008201 ~ heparin binding

12

20.3

2.94E−12

22.9

GO:0030021 ~ extracellular matrix structural constituent conferring compression resistance

7

11.9

3.69E−12

147.0

GO:0050840 ~ extracellular matrix binding

6

10.2

2.84E−08

65.0

GO:0030020 ~ extracellular matrix structural constituent conferring tensile strength

6

10.2

1.23E−07

49.2

GO:0048407 ~ platelet-derived growth factor binding

4

6.8

3.84E−06

122.1

GO:0002020 ~ protease binding

6

10.2

1.65E−05

18.5

GO:0005178 ~ integrin binding

6

10.2

1.06E−04

12.5

GO:0016504 ~ peptidase activator activity

3

5.1

4.54E−04

91.6

GOTERM_CC_DIRECT

GO:0005615 ~ extracellular space

44

74.6

4.09E−32

7.9

GO:0005576 ~ extracellular region

40

67.8

3.96E−25

6.5

GO:0031012 ~ extracellular matrix

20

33.9

2.67E−22

26.8

GO:0070062 ~ extracellular exosome

29

49.2

8.94E−13

4.5

GO:0005788 ~ endoplasmic reticulum lumen

12

20.3

8.48E−10

13.6

GO:0005581 ~ collagen trimer

8

13.6

7.32E−09

30.2

GO:0072562 ~ blood microparticle

9

15.3

7.41E−09

21.5

GO:0005796 ~ Golgi lumen

8

13.6

1.98E−08

26.2

GO:0043202 ~ lysosomal lumen

7

11.9

3.02E−07

25.3

GO:0005577 ~ fibrinogen complex

4

6.8

1.20E−06

173.5

  1. In each category, top 10 terms by p value are shown. Protein count is the number of proteins identified by the analysis in a set of proteins annotated to the term, and percentage is the ratio of the number of identified proteins relative to that of all proteins annotated to the term.