TABLE 1

Receptor Density for U87MG, MDA-MB-435, C6, PC-3, NCI-H1975, and A549 Tumor Cells Determined by Cell-Binding Assay (n = 3) and Corresponding Tumor Tissues Measured by Ex Vivo SDS-PAGE/Autoradiography

Tumor typeCell receptor density (no. of receptors/cell)Tumor receptor density (no. of receptors/mg protein)
U87MG(1.28 ± 0.46) × 1054.24 × 1012
MDA-MB-435(1.99 ± 0.26) × 1042.80 × 1012
C6(1.48 ± 0.28) × 1031.51 × 1011
PC-3(2.76 ± 0.95) × 1033.58 × 1011
NCI-H1975(4.42 ± 0.59) × 1042.35 × 1010
A549(1.34 ± 1.25) × 1041.75 × 1010