Cytotoxic and Apoptosis-Inducing Activities of Steviol and Isosteviol Derivatives against Human Cancer Cell Lines
作者:Motohiko Ukiya、Shingo Sawada、Takashi Kikuchi、Yasunori Kushi、Makoto Fukatsu、Toshihiro Akihisa
DOI:10.1002/cbdv.201200406
日期:2013.2
Seventeen steviol derivatives, i.e., 2–18, and 19 isosteviol derivatives, i.e., 19–37, were prepared from a diterpenoid glycoside, stevioside (1). Upon evaluation of the cytotoxic activities of these compounds against leukemia (HL60), lung (A549), stomach (AZ521), and breast (SK‐BR‐3) cancer cell lines, nine steviol derivatives, i.e., 5–9 and 11–14, and five isosteviol derivatives, i.e., 28–32, exhibited
17 种甜菊醇衍生物,即 2-18 和 19 种异甜菊醇衍生物,即 19-37,是从二萜糖苷甜菊苷 (1) 中制备的。在评估这些化合物对白血病 (HL60)、肺癌 (A549)、胃癌 (AZ521) 和乳腺癌 (SK-BR-3) 癌细胞系的细胞毒活性后,9 种甜菊醇衍生物,即 5-9 和 11- 14 和五种异甜菊醇衍生物,即 28-32,对一种或多种细胞系表现出具有个位数微摩尔 IC50 值的活性。所有这些活性化合物都具有 C(19)-O-酰基,其中,ent-kaur-16-ene-13,19-diol 19-O-4',4',4'-trifluorocrotonate (14)对四种细胞系表现出有效的细胞毒性,IC50 值在 1.2-4.1 μM 范围内。在通过流式细胞术分析评估细胞凋亡诱导活性后,化合物 14 在 HL60 细胞中诱导典型的细胞凋亡。这些结果表明,贝壳杉烷类和拜耳烷类二萜类化合物的