Cucurbitacin IIa 是从园果雪胆中分离得到的三萜烯，可诱导癌细胞凋亡。Cucurbitacin IIa 可降低癌细胞中生存素 survivin 的表达，降低磷酸化组蛋白 H3 的水平，增加裂解的 PARP 的水平。
CAS：58546-34-2
分子式：C32H50O8
分子量：562.73
纯度：98%
存储：Store at -20°C

Background:

Cucurbitacin IIa is a triterpene isolated from Hemsleya amalils Diels, induces apoptosis of cancer cells, reduces expression of survivin, reduces phospho-Histone H3 and increases cleaved PARP in cancer cells[1].

[1]. Boykin C, et al. Cucurbitacin IIa: a novel class of anti-cancer drug inducing non-reversible actin aggregation and inhibiting survivin independent of JAK2/STAT3 phosphorylation. Br J Cancer. 2011 Mar 1;104(5):781-9.