Recommended positive controls: Raji, HepG2, HepG2 whole cell extract (untreated), HepG2 whole cell extract (3 μM Thapsigargin treatment for 12 hr), HepG2 whole cell extract (3 μM Thapsigargin treatment for 24 hr), Huh-7 (untreated), Huh-7 (3 μM Thapsigar