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Table 3 Differentially expressed genes in OA bone with roles in osteogenesis, angiogenesis and chondrogenesis

From: Microarray gene expression profiling of osteoarthritic bone suggests altered bone remodelling, WNT and transforming growth factor-β/bone morphogenic protein signalling

         

Real-time PCR

Rank

GenBank

Role

Cell type

Pathway

Symbol

Name

t OA/CTL

t OA/OP

Symbol

OA/CTL

         

ADAMTS4

0.11

2

NM_001124

A, B, C

OB, OC, OS, CB

TGF-β/BMP

ADM

Adrenomedullin

-12.620

-7.904

ADM

0.09

3

NM_002450

B

OB

 

MT1L

Metallothionein 1L

-8.342

-6.843

  

4

NM_016109

A

 

WNT

ANGPTL4

Angiopoietin-like 4

-6.165

-8.052

  

5

NM_015675

B

OB, OC, CB

TGF-β/BMP

GADD45B

Growth arrest and DNA-damage-inducible, beta

-8.102

-5.985

GADD45B

0.15

7

NM_000358

A, B

 

TGF-β/BMP

TGF-BI

Transforming growth factor, beta-induced

-6.915

-5.741

  

9

NM_017817

   

RAB20

RAB20, member RAS oncogene family

-5.147

-6.982

  

10

NM_004967

B, C

OB, CB

WNT & TGF-β/BMP

IBSP

Integrin-binding sialoprotein

-5.088

-5.865

IBSP

0.25

12

AB014526

B

OB

 

MFAP3L

Microfibrillar-associated protein 3-like

5.284

4.983

  

13

NM_004142

A, B, C

OB, OC, CB

WNT

MMP25

Matrix metalloproteinase 25

4.942

7.183

MMP25

2.60

15

NM_002025

B

 

TGF-β/BMP

FMR2

Fragile × mental retardation 2

4.915

4.851

  

18

NM_005953

B

OB

 

MT2A

Metallothionein 2A

-4.638

-7.071

MT2A

0.18

20

NM_013258

A, B

M OC

 

PYCARD

PYD and CARD domain containing

6.567

4.355

  

21

NM_014467

   

SRPX2

Sushi-repeat-containing protein, X-linked 2

-4.333

-4.918

  

22

NM_003155

A, B, C

OB, OC, CB

 

STC1

Stanniocalcin 1

-6.656

-4.274

STC1

0.16

23

NM_001109

B

OC

 

ADAM8

A disintegrin and metalloproteinase domain 8

5.426

4.269

  

24

NM_020203

B

OB, OS

TGF-β/BMP

MEPE

Matrix, extracellular phosphoglycoprotein with ASARM motif

-5.036

-4.263

MEPE

0.11

28

S68954

B

OB

 

MT1G

Metallothionein 1G

-4.202

-7.630

  

29

AK026438

B

OB

 

GALNT4

Polypeptide N-acetylgalactosaminyltransferase 4

5.259

4.195

  

30

NM_000474

B

OB

WNT

TWIST1

Twist homolog 1

-4.194

-4.910

TWIST1

0.31

33

NM_000655

B

M

 

SELL

Selectin L

4.852

4.179

  

36

NM_002341

A, B, C

OB, CB

 

LTB

Lymphotoxin beta

4.465

4.086

  

37

NM_003226

A

  

TFF3

Trefoil factor 3

4.080

4.074

  

42

NM_000607

B

M

 

ORM1

Orosomucoid 1

4.284

3.982

  

46

NM_005542

   

INSIG1

Insulin induced gene 1

-7.756

-3.878

INSIG1

0.55

49

NM_001302

B

M

 

CORT

Cortistatin

-6.713

-3.843

  

52

NM_000598

A, B, C

OB, OC, CB

WNT & TGF-β/BMP

IGFBP3

Insulin-like growth factor binding protein 3

-3.772

-3.893

  

54

NM_012479

A, B

OB

 

YWHAG

Tyrosine 3-/tryptophan 5-monooxygenase activation protein, gamma

-3.759

-5.355

  

59

NM_014624

B

OB

WNT

S100A6

S100 calcium binding protein A6

8.214

3.710

  

61

NM_006732

A, B

OB

 

FOSB

FBJ murine osteosarcoma viral oncogene homolog B

3.682

3.926

  

64

NM_002961

A, B

OB

WNT

S100A4

S100 calcium binding protein A4

4.407

3.596

S100A4

2.43

65

NM_016184

B

M

 

CLECSF6

C-type lectin domain family 4, member A

4.575

3.594

  

68

NM_006184

B

  

NUCB1

Nucleobindin 1

-3.551

-5.513

  

69

NM_001300

A

 

WNT & TGF-β/BMP

KLF6

Kruppel-like factor 6

-4.047

-3.544

KLF6

0.41

70

NM_004864

A, B

OB, CB

TGF-β/BMP

GDF15

Growth differentiation factor 15

-3.541

-4.269

  

73

U79271

B

OB, OC

WNT

AKT3

V-akt murine thymoma viral oncogene homolog 3

3.507

4.876

  

76

S83282

A, B

OB, OC

 

MIF

Macrophage migration inhibitory factor

-3.654

-3.496

  

81

NM_005213

B

OC

 

CSTA

Cystatin A

4.450

3.447

  

82

NM_000647

A, B

M OC

 

CCR2

Chemokine (C-C motif) receptor 2

7.277

3.446

  

85

NM_001911

A

  

CTSG

Cathepsin G

8.474

3.411

  

87

NM_001122

  

WNT

ADFP

Adipose differentiation-related protein

-3.368

-10.219

ADFP

0.21

92

NM_006254

A, B

OB

 

PRKCD

Protein kinase C, delta

5.549

3.319

  

94

NM_002162

A

  

ICAM3

Intercellular adhesion molecule 3

3.304

5.798

  

95

NM_001885

B

OB, OC

 

CRYAB

Crystallin, alpha B

-3.296

-7.616

  

96

D17152

A

 

WNT

SOD2

superoxide dismutase 2

-6.347

-3.278

  

102

NM_003256

A

 

WNT

TIMP4

Tissue inhibitor of metalloproteinase 4

-6.319

-3.250

TIMP4

0.08

105

NM_000698

 

M

 

ALOX5

Arachidonate 5-lipoxygenase

3.229

4.736

  

106

NM_014029

B

OC

 

RAC2

Rho family, small GTP binding protein Rac2

3.227

5.325

  

108

NM_003670

B, C

OB, CB

TGF-β/BMP

DEC1

Differentially expressed in chondrocytes 1

-3.203

-3.783

  

109

NM_002067

B

OB

 

GNA11

Guanine nucleotide binding protein, alpha 11

-4.353

-3.202

  

115

AF263545

B

OB

 

SLC14A1

Solute carrier family 14, member 1

3.163

5.759

  

120

NM_005127

B

M

 

CLECSF2

C-type lectin domain family 2, member B

-7.330

-3.141

  

123

NM_004252

B

 

WNT

NHERF1

Sodium/Hydrogen exchanger regulatory factor 1

5.280

3.138

NHERF1

1.71

124

NM_006186

B

OB

 

NR4A2

Nuclear receptor subfamily 4, group A, member 2

-3.128

-3.354

  

133

NM_000104

B

OC

 

CYP1B1

Cytochrome P450, family 1, subfamily B, 1

-3.075

-5.148

  

136

NM_003005

B

  

SELP

Selectin P

8.740

3.066

  

139

NM_004334

B

OC

 

BST1

Bone marrow stromal cell antigen 1 (CD157)

3.037

3.601

  

141

AK023619

A

  

CRIM1

Cysteine-rich motor neuron 1

-3.043

-3.271

  

143

NM_013332

A

 

WNT

HIG2

Hypoxia-inducible protein 2

-6.019

-3.035

  

144

NM_001845

A, B

 

TGF-β/BMP

COL4A1

Collagen, type IV, alpha 1

-3.028

-8.960

COL4A1

0.57

146

NM_016224

A, B

OB

WNT

SNX9

Sorting nexin 9

-3.025

-6.086

  
  1. Rank' indicates the ranking within the top 150 differentially expressed genes in osteoarthritis (OA) bone compared with control (CTL) and osteoporosis (OP) bone. 'Role' indicates the known or suspected role of the gene: A, angiogenic; B, osteogenic; and C, chondrogenic. 'Cell type' indicates the cell type that the gene is expressed in or affects: OB, osteoblast, OC, osteoclast, OS, osteocyte, CB, chondroblast, or M, monocyte. 't OA/CTL' is the t score of OA compared with CTL differential expression of gene: a positive value indicates upregulation in OA and a negative one indicates downregulation in OA. 't OA/OP' is the t score of OA compared with OP differential expression of gene: a positive value indicates upregulation in OA and a negative one indicates downregulation in OA. The moderated t-statistic score is based on the ratio of the log2 fold change to its standard error. 'OA/CTL' under 'Real-time PCR' indicates the fold change in gene expression expressed as ratio of OA to CTL.