Shown are western blots with decreased expression of PTGS1, PTGS2 and TXAS proteins 1 d and 3 d after cell transplantation. Lanes 1, 2, transplantation of hepatocytes alone; lanes 3, 4, 6 mg/kg naproxen once before cell transplantation; lanes 5, 6, 40 mg/kg celecoxib once before cell transplantation. Note that PTGS1 expression declined slightly after drug treatments, whereas PTGS2 and TXAS expression decreased much more.