Table 1.

Summary of EGFR and NFKBIA copy number variation in primary GBM (BT) and corresponding neurospheres (NS)

1A	EGFR wt	EGFR amp	% amp
BT	33	36	52%
NS	46	23	33%
1B	NFKBIA wt	NFKBIA+/-	% del
BT	66	3	4%
NS	39	30	43%
1C	EGFR wt	EGFR amp	loss of EGFR amplification
NFKBIA +/- NS	11	12	7