LGALS4 and chronic myelogenous leukemia, BCR-ABL1 positive: The human fusion transcript under the control of the Gal4/upstream activating sequence (UAS) has been used to generate a transgenic line using Tol2 transposition system and then crossed with the hsp70 (heat inducible promoter) Gal 4 line to recapitulate hematologic characteristics and molecular biology features of CML.