CD1D and acute myeloid leukemia: In co-cultures of purified (untouched) Vγ9Vδ2-T cells with either the AML tumor cell line THP-1 or purified (untouched) monocytes (expressing similar levels of CD1d), the CD1d-Vδ2 bsTCE triggered Vγ9Vδ2-T cells to lyse THP-1 cells but not monocytes (Figures S2I and S2J).