Table 2.

P-gp and adhesion molecule expression of MDR1-transfected human breast carcinoma cell lines as percent positive cells, and mAb binding sites (× 10⁴)

	MDA-MB	MPAM-26	MPAH1-10	MPAH1-300	MPAHDOX
MRK16 = A	12.07	8.52	30.57	56.47	78.50
s.d.	4.10	1.62	10.85	3.20	9.68
MRK16 = B	5.45	3.00	4.41	12.85	38.36
s.d	0.21	0.56	0.35	2.79	10.23
ICAM-1 = A	58.65	59.39	62.63	55.13	76.36
s.d.	1.79	2.03	4.56	7.44	1.41
ICAM1 = B	16.43	13.36	12.66	19.00	35.54
s.d.	1.20	3.48	4.80	8.81	12.25
LFA-3 = A	82.37	83.12	83.30	84.12	89.38
s.d.	2.31	1.27	6.71	4.84	1.42
LFA-3 = B	23.65	24.65	18.08	33.22	53.66
s.d.	11.36	3.31	3.41	6.20	9.64
CD18 = A	2.44	0.13	9.69	18.43	0.17
s.d.	1.35	3.52	2.52	3.26	0.93
CD18 = B	7.44	5.66	5.24	7.77	7.58
s.d.	1.31	1.72	1.35	1.57	1.76
CD56 = A	3.72	0.58	4.18	0.44	0.33
s.d.	2.13	0.44	5.88	0.75	0.57
CD56 = B	6.92	4.90	3.97	5.97	5.93
s.d.	0.91	1.20	0.81	1.29	0.07

A = Percent positive cells

B = mAb binding sites (× 10⁴/cell)