TABLE 2.

Relative percent expression of membrane surface markers on MB2 and established cell lines

Marker	% Expression on the following cell line:
	BL3	TBL3	Thei	TpMD409	TpM803	MB2
IgM	95	20	2	42	<1	77
CD44	92	68	48	51	37	8
CD45	83	76	NDa	85	100	99
BoLA class II	98	12	ND	30	93	100
TfR	99	99	ND	99	75	100

^aND, not determined.