SKI-I is a potent and selective inhibitor of human sphingosine kinase (SK), with an IC50 of 1.2 μM for ST-hSK. SKI-I also inhibits hERK2 (IC50=11 μM). SKI-I induces apoptosis in tumor cell lines.
体内研究:
SKI-I (Compound I; 5 μg/mL) inhibits SK activity by 99%. SKI-I (10 μM; 24 h) induces the apoptosis of T24 cells.