passages.id: split_8_test_266_passage
passages.type: progene_text
passages.text: Glucagon also induced LUC activity very strongly when the CRE1 and CRE2 sites were combined ; induction of the ( CRE1 ) 3 ( CRE2 ) 2SV40 - LUC constructs was positively modulated by the pO2 .