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Table 1 Genes, that are differentially expressed during cell culture

From: Cell culture and passaging alters gene expression pattern and proliferation rate in rheumatoid arthritis synovial fibroblasts

Gene group

Regulated genes

RA-1

RA-2

RA-3

RA-4

Cytokines/-receptors

TNF receptor 1

3

5-8

5

3-8

 

MCSF I receptor precursor

6,8

6-8

2

5-8

 

epidermal growth factor receptor 1

3,4

-

 

6-8

4-8

 

insulin-like growth factor I receptor

>5

3,7

7-8

5,6,8

Adhesion

ILK

>5

2

2,6

↑↓

4-8

Apoptosis

Fas-activated serine/threonine kinase

cytotoxic TRAIL receptor 2 (DR 5)

4-8

7-8

6

6-8

  

5-8

2

7-8

8

Proliferation

tumor suppressor LUCA1

6-8

7-8

7-8

6,8

 

p33ING1

4-8

6-8

3-8

3-8

 

p53 cellular tumor antigen

4-8

6,8

3,7

7-8

 

cyclin-dependent kinase inhibitor 1C

6-8

2

4-8

-

 
 

ski oncogene

7-8

4

6,7

6,8

Proliferation/Signaling

shb proto-oncogene

4-8

7-8

-

 

2

Signaling

notch2

5-8

6

5,6,8

5

 

jun-B

7-8

4,5,7,8

5-8

4,7

 

frizzled

7-8

8

2

8

 

FRA2

3-8

7-8

5-7

2

 

NOTCH1 precursor

5-8

5

4,5

7-8

Others

semaphorin 1

7-8

-

 

4-8

3,4

 

glycogen synthase kinase 3 alpha

6-8

6

5-8

3-8

 

thymosin beta-10

5,6,8

4,6,7

7-8

5-8

 

ezrin; cytovillin 2; VIL2

7-8

4-8

4

5

  1. Exemplary gene groups and genes and their regulations are shown. Only genes, that reached the signal threshold and the statistical significance level after Bonferroni-correction as described in methods were regarded as differentially expressed (P < 0.00025).
  2. FRA2: fos-rrelated antigen 2; ILK: integrin-linked kinase; MCSF: macrophage colony-stimulating factor; RA: rheumatoid arthritis; TRAIL: tumor necrosis factor related apoptosis inducing ligand; VIL2: villin 2.