The dual PI3Kδ/CK1ε inhibitor umbralisib exhibits unique immunomodulatory effects on CLL T cells. - Maharaj K; Powers JJ; Achille A; Mediavilla-Varela M; Gamal W; Burger KL; Fonseca R; Jiang K; Miskin HP; Maryanski D; Monastyrskyi A; Duckett DR; et al. (Blood advances, 2020)