Effect of sense and antisense nucleotides on expression of LRP and α_L-subunit. U937 cells were transfected with sense (A-C) or antisense oligonucleotides (D-F) and were stimulated with 100 nM PMA for 15 minutes. Cells were collected on object glasses and stained for α_L and LRP, as described in the legend to Figure 4. Original magnification, × 250. (C-F) Enlarged merge images; original magnification, × 1375. White boxes indicate the positions of the enlarged merge images.