GeneBLAzer™RXR beta DA (Division Arrested) cells and RXR beta-UAS-bla HEK 293T cells contain the ligand-binding domain (LBD) of the human Retinoid X Receptor beta (RXR beta) fused to the DNA-binding domain of GAL4 stably integrated in the GeneBLAzer™UAS-bla HEK 293T cell line.