PROTAC PI3Kα degrader-1

PROTACPI3Kα degrader-1 is a PI3Kα-targeting PROTAC degrader (DC50= 0.08 μM) that demonstrates notable selectivity in degrading PI3Kα over the PI3Kβ, PI3Kγ, and PI3Kδ isoforms. It degrades PI3Kα effectively in a time- and concentration-dependent manner and significantly inhibits the phosphorylation of AKT at the Ser473 site. Additionally, PROTACPI3Kα degrader-1 exhibits significant in vivo anticancer efficacy in HGC-27 and DOHH2 xenograft models.