Table 2. Number of genes affected by SCNA in seven melanoma cell lines.

CGH arrays	LAU-Me280	LAU-Me246	LAU-T618A	LAU-T50B	LAU-T149D	LAU-Me275	LAU-Me235	Unique gene count
Deletion	3668	4281	986	3656	108	122	1059	10711
Arm-level amplification	222	0	549	99	998	42	0	1884
Focal amplification	0	0	0	26	379	0	4	409
SNP arrays	LAU-Me280	LAU-Me246	LAU-T618A	LAU-T50B	LAU-T149D	LAU-Me275	LAU-Me235	Unique gene count
Deletion	2294	3157	2	113	70	2	39	5544
Arm-level amplification	0	0	16584	1033	3477	16398	10384	19496
Focal amplification	213	0	978	438	894	1853	161	4055

Number of genes affected by somatic deletions, arm-level amplifications (≥4 copies but <1 copy above the chromosome arm baseline) and focal amplifications (≥4 copies and ≥1 copy above the chromosome arm baseline), as measured using SNP or CGH arrays.