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Table 5 Deregulated pathways in canine OS pertaining to aggressive phenotype

From: Gene expression profiling of canine osteosarcoma reveals genes associated with short and long survival times

Reference

Present study on canine osa

Srivastava et al., 2006

Rajkumar, T. et al., 2008

Srivastava et al., 2006

Study approach

poor survival associated profile

high metastatic profile

drug resistant profile

osteogenic tumor profile

Samples used

32 primary tumors

human osa cell lines

cell line resistant to doxorubicin

10 tumors and 8 normal bones

Total differential expressed genes

1426

1999

485

194

Total Mapped IDs on PANTHER®

533

1185

295

159

Huntington disease

12

â–²

â–²

 

Wnt signaling pathway

10

â–²

â–²

â–²

Chemokine/cytokine signaling pathway

8

â–²

â–²

â–²

Integrin signalling pathway

7

â–²

 

â–²

Parkinson disease

6

 

â–²

â–²

Ubiquitin proteasome pathway

6

 

â–²

 

Alzheimer disease-presenilin pathway

5

â–²

â–²

â–²

Cadherin signaling pathway

5

 

â–²

 

Endothelin signaling pathway

5

   

Glycolysis

5

   

Heterotrimeric G-protein signaling pathway

4

â–²

  

Angiogenesis

3

  

â–²

Cytoskeletal regulation by Rho GTPase

3

â–²

  

EGF receptor signaling pathway

3

â–²

  

FGF signaling pathway

3

â–²

â–²

â–²

p53 pathway

3

 

â–²

 

PDGF signaling pathway

3

â–²

â–²

â–²

T cell activation

3

â–²

â–²

 

TGF-beta signaling pathway

3

â–²

 

â–²

Androgen/estrogene/progesterone biosynthesis

2

   

Apoptosis signaling pathway

2

â–²

â–²

â–²

B cell activation

2

   

Hedgehog signaling pathway

2

   

Hypoxia response via HIF activation

2

   

Interferon-gamma signaling pathway

2

   

Interleukin signaling pathway

2

â–²

â–²

â–²

Oxidative stress response

2

   

p53 pathway feedback loops 2

2

 

â–²

 

PI3 kinase pathway

2

â–²

â–²

 

Ras Pathway

2

â–²

 

â–²

  1. Comparison of the top 20 pathways from 3 published human OS studies revealed 7 pathways (in bold letters) that are commonly deregulated in both human and canine OS. (â–²: Common pathway hits found across different gene sets published for human OS to the present study in canine)