Table 2

Numbers of genes that are differentially expressed

Comparisons
Number of genes differentially expressed

Tissue A (number of samples)
Tissue B (number of samples)
Total
Up
Down

WntH (7)
VMG (5)
584
121
463
WntT (23)
WntH (7)
388*
112
276
WntT (23)
NeuT (12)
1,296
624
672
NeuT (12)
VMG (5)
1,263*
419
844
WntT, H-ras mutant (12)
WntT, H-ras wild-type (9)
40
31
9
WntT/p53-/-
WntT (10)
113
43
70
WntT/Pten+/- LOH (3)
WntT (10)
115
45
70

Expression ratio is computed by dividing the average expression level of the A group by the average expression level of the B group. The numbers of differentially expressed genes were determined by random permutation (P < 0.001), as described in the Materials and method section. *In selected comparisons, to reduce potential false signals due to stromal effects, the genes that were less than three-fold different in expression were filtered out from the listed total number of genes. LOH, loss of heterozygosity.

Huang et al. Genome Biology 2005 6:R84   doi:10.1186/gb-2005-6-10-r84

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