sentence: Visceral mesothelial , parietal mesothelial , pleural mesothelioma ( MSTO ) , and peritoneal mesothelioma ( ROB ) cells were cultured with and without the addition of autotaxin ( ATX ) , the autotaxin inhibitor S32826 , Lpar1 inhibitor 1 ( 2440 ) , or Lpar1 inhibitor 2 ( 8437 ) and subjected to time-lapse imaging to monitor cell migration .