passages.id: split_1_test_1756_passage
passages.type: progene_text
passages.text: Cells were transiently transfected with reporter luciferase constructs under the control of either (i) 9 kb of genomic DNA corresponding to intron 7 and part of exon 8 and containing either wild - type or mutant LXREs or (ii) two copies of the wild - type or mutant LXRE .