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.
















