Genes Regulated in Metastatic Osteosarcoma: Evaluation by Microarray Analysis in Four Human and Two Mouse Cell Line Systems

Table 1

Number of regulated (>2-fold; fdr < 0.01) probe sets in human and mouse OS cell line systems.

System	Total (%)^a	Up (%)^b	Down (%)^b
Human
SAOS/LM5	1351 (2.5)	668 (49)	683 (51)
HUO9/M132	1975 (3.6)	1001 (51)	974 (49)
HOS/143B	3652 (6.7)	1690 (46)	1962 (54)
MG63/M8	521 (1.0)	292 (56)	229 (44)
Mouse
Dunn/LM8	1217 (2.7)	494 (41)	723 (59)
K12/K7M2	3749 (8.3)	1769 (47)	1980 (53)

^aPercent of the total number of probe sets represented by the human (54675) and mouse arrays (45101); ^bpercent of the total number of regulated probe sets.