Cells were transfected with 30nM miRVana microRNA antimiRs or mimics (Thermofisher Scientific, Waltham, MA, USA) with inhibitors and mimics (Supplementary Table S7) as described previously.56 (link) The NC Dicer-substrate siRNA (51-01-14-03, IDT) and PAX3-FOXO1 siRNA (detailed in Supplementary Table S4) were transfected with 3nM duplex as above.