BUB1 and leiomyosarcoma: In the Barretina Sarcoma dataset, BUB1 was upregulated in myxofibrosarcoma, pleomorphic liposarcoma, and leiomyosarcoma with 3.085 (P = 6.53E-14), 2.926 (P = 1.22E-09), and 2.878 (P = 5.95E-09) fold changes, respectively.