passages.id: split_5_test_3526_passage
passages.type: progene_text
passages.text: Western blotting revealed that the phosphorylation levels of ERK(1/2 ) , p38 MAPK and JNK were low and 2 hours after the LPS stimulation , the phosphorylation of ERK ( 1 / 2 ) , p38 MAPK and JNK were all increased .