葫芦素B (Cucurbitacin B)是一具有抗癌活性的天然化合物。 Application： Cucurbitacin B hydrate has been used: as a signal transducer and activator of transcription 3 (stat3) inhibitor to determine its effect on the expression of human lysosomal acid lipase (hLAL) in myeloid-derived suppressor cells (MDSCs). as an ecdysone receptor (EcR) antagonist injection to lower the levels of 20-hydoxyecdysone (20E) signaling in butterflies. to determine its effect on the cell viability of pancreatic cancer cell lines.