passages.id: split_4_test_847_passage
passages.type: progene_text
passages.text: IL-12 release in CU remained unchanged under mitogen stimulation ( 44.34 +/- 23.86 pg / ml ) and was lower than in CON , UR , and PMMA ( 66.0 +/- 12.41 , 68.37 +/- 25.78 , and 67.75 +/- 22.61 pg / ml , respectively ; P < 0.05 ) .