Both BC and BC antisense complexes also interacted with SF3B4, IGF2BP1 and RBM3 but did not pull down MGMT, hnRNPCL1, hnRNPUL, Argonaute 2 and U1 small nuclear ribonucleoprotein (snRNP) (Figure S7C). This evidence concerns the gene IGF2BP1 and breast cancer.