F ControlEstradiolFulvestrant Estradiol + fulvestrant 0.1 1 10 100 m RNA le ve l β1 β1B GREB1 *** E MC F-7 SKBR3 BT474 MDA-MB-231 0.1 1 10 100 1B m R N A l ev el ** *** MCF-7SKBR3 BT474 MDA-MB-231 0.1 1 10 100 1000 1 m R N A l ev el *** *** *** DC GPI PDCD2L UBA2 WTIP SCGBL ZNF302 ZNF599 ZNF30 ZNF792 GRAMD1A SCN1B HPN FXYD3 LGI4 FXYD1 FXYD7 FXYD5 FAM187B LSR USF2 HAMP Ginestier Lu Richardson 2 TCGA Zhao 665947 626289 602328 549718 437246 353048 272613 103785 74334 35904 0 9818 85140 93825 108136 112562 124033 1941 11 217967 238304 251818 0.65 1.8 B -10 -5 5 10 -2 -1 1 2 3 4 ESR1 SC N 1B A -2 -1 0 1 2 3 4 Log2 m edi an- cent er ed i ntens ity ER- ER+