Table 1

Gene ontology classification of the HCC differentially expressed genes

Up-regulated genes*
Down-regulated genes*
P-value


Cell cycle
19
4
0.052
Regulation of apoptosis
8
1
0.121
Transcription & regulation of transcription
44
13
0.040
Signal transduction
48
24
0.777
Cell organizaiton & biogenesis
28
9
0.109
Purine & pyrimidine metabolism
80
26
0.009
Protein metabolism
89
27
0.002
Nuclear ©
89
26
0.001
Chromosome ©
8
3
0.432
Cytoskeleton ©
18
5
0.128
Ubiquitin ligase complex ©
7
1
0.170
Complement & coagulation cascades
0
11
0.000
Response to wounding
4
12
0.011
Defense response
16
24
0.000
Response to external biotic stimuli
10
15
0.007
Immune response
14
21
0.001
Cell ion homeostasis
1
5
0.021
Microsome ©
2
6
0.442
Peroxisome ©
1
4
0.051
Extra-cellular space ©
4
15
0.000

*Based on 360 and 202 informative up- and down-regulated genes identified using the SSH/microarray in HCC.

© cellular components, based on 207 and 110 informative up- and down-regulated genes in human HCC, respectively.

P value was determined by Fisher's exact test.

Pan et al. BMC Genomics 2006 7:131   doi:10.1186/1471-2164-7-131