BCL2A1 and nasopharyngeal carcinoma: However, the sgBFL-1#1 (Fig. 4b and Additional file 8: Table S6) and the sgBFL-1#2 (Fig. 4c and Additional file 8: Table S6) cells were sensitized to A-1331852 by ~ fivefold and fourfold, respectively indicating that the BFL-1 and BCL-XL may be important for NPC cell survival.