Figure 2From: The effect of radiation exposure on multidrug resistance: in vitro and in vivo studies using non-small lung cancer cells The immunocytochemistrical expression of Pgp and BCRP. The immunocytochemistrical expression of Pgp and BCRP was positive, the proportion score (PS) 5/5 + the intensity score (IS) 3/3 = total score 8/8, localizing these proteins to the cell membrane of the not-irradiated tumour cells.Back to article page