Taccalonolide A 是从水田七根茎中分离得到的一种类固醇，具有细胞毒性和抗疟活性。它在体外对过表达 p 糖蛋白、多药耐药蛋白 7 细胞系有抑制作用，抑制 SK-OV-3 细胞生长的 IC50值为 622 nM。它是微管稳定剂，能引起 G2-M 期滞留、BCL-2 磷酸化，并引发细胞凋亡。

Taccalonolide A is the first microtubule stabilizing agent to be discovered from a plant since identification of the mechanism of action of paclitaxel and it is the first natural product steroid identified to have these cellular effects,with cytotoxic and antimalarial activities. Taccalonolide A causes G2-M accumulation, Bcl-2 phosphorylation and initiation of apoptosis. Taccalonolide A is effective in vitro against cell lines that overexpress P-glycoprotein (Pgp) and multidrug resistance protein 7 (MRP7), with an IC50 of 622 nM for SK-OV-3 cells.

108885-68-3

C36H46O14

702.74

根薯酮内酯A;根薯酮内酯 A

DMSO:60 mg/ml (85.38 mM)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years