HMGA1 and leiomyosarcoma: Trabectedin drug resistance was tested in 3D spheroids and 2D monocultures after transducing the CP0024 cell line (leiomyosarcoma cell line with HMGA1 highest expression levels) with lentiviral particles containing shRNAs against HMGA1 (shHMGA1) and a control non-targeting shRNA (shControl).