Table 1.

GO classes found enriched by mean of hypergeometric distribution within the 204 genes linearly linked to tumor mass increase.

GO class	Description	p value	N. of found items within the 204 differentially expressed genes	N. of items belonging to the GO class within the mgu74av2 chip.	GO
GO:0007155	Cell adhesion	0.000	19	250	BP
GO:0030198	Extracellular matrix organization and biogenesis	0.005	3	17	BP
GO:0007160	Cell-matrix adhesion	0.005	4	34	BP
GO:0005201	Extracellular matrix structural constituent	0.003	5	47	MF
GO:0008201	Heparin binding	0.004	4	39	MF
GO:0005576	Extracellular	0.000	58	1631	CC
GO:0005615	Extracellular space	0.000	54	1514	CC
GO:0005794	Golgi apparatus	0.004	12	209	CC
GO:0005581	collagen	0.004	4	28	CC
GO:0016327	Apicolateral plasma membrane	0.004	6	65	CC
GO:0016020	Membrane	0.005	69	22285	CC
GO:0030054	Cell junction	0.006	6	71	CC
GO:0005923	Tight junction	0.007	3	17	CC
GO:0005911	Intercellular junction	0.007	5	52	CC
GO:0030057	Desmosome	0.008	2	6	CC
GO:0005578	Extracellular matrix	0.008	11	204	CC