Spliceostatin A (GMP) refers to the GMP grade reagents of Spliceostatin A. Spliceostatin A is an anticancer agent and splicing inhibitor that inhibits the splicing mechanism of the spliceosome and inhibits mitotic clonal expansion and adipogenesis.Spliceostatin A induces cell cycle arrest in the G1 and G2/M phases, and induces apoptosis.

Spliceostatin A（0、2.5 nM、5 nM、10 nM和20 nM；0、6小时、12小时和24小时）能增加慢性淋巴细胞白血病细胞的凋亡[1]。