withangulatin A 生成 [(1S,2R,6S,7R,9R,11R,12S,13S,16R)-13-acetyloxy-15-[(1S)-1-[(2R)-4,5-dimethyl-3,6-dihydro-2H-pyran-2-yl]ethyl]-12-hydroxy-2,16-dimethyl-3-oxo-8-oxapentacyclo[9.7.0.02,7.07,9.012,16]octadeca-4,14-dien-6-yl] acetate
参考文献:
名称:
CHEN, CHIU-MING;CHEN, ZONG-TSI;HSIEH, CHIU-HSIANG;LI, WEN-SEN;WEN, SAY-YE+, HETEROCYCLES, 31,(1990) N, C. 1371-1375
Discovery and optimization of withangulatin A derivatives as novel glutaminase 1 inhibitors for the treatment of triple-negative breast cancer
作者:Wu-Xi Zhou、Chen Chen、Xiao-Qin Liu、Ying Li、Yao-Lan Lin、Xiu-Tao Wu、Ling-Yi Kong、Jian-Guang Luo
DOI:10.1016/j.ejmech.2020.112980
日期:2021.1
To develop novel GLS1 inhibitors as effective therapeutic agents for triple-negative breast cancer (TNBC), 25 derivatives were synthesized from the natural inhibitor withangulatin A (IC50 = 18.2 μM). Bioassay optimization identified a novel and selective GLS1 inhibitor 7 (IC50 = 1.08 μM). In MDA-MB-231 cells, 7 diminished cellular glutamate levels by blocking glutaminolysis pathway, further triggering
Synthesis and biological evaluation of novel withangulatin A derivatives as potential anticancer agents
作者:Wu-Xi Zhou、Chen Chen、Xiao-Qin Liu、Ying Li、Ling-Yi Kong、Jian-Guang Luo
DOI:10.1016/j.bioorg.2021.104690
日期:2021.3
Novel withangulatin A (WA) derivatives were synthesized and evaluated for antiproliferative activity against four human cancer cell lines (U2OS, MDA-MB-231, HepG2, and A549). Among these derivatives, 10 exhibited the most potent antiproliferative activity, with an IC50 value of 74.0 nM against the human breast cancer cell line MDA-MB-231 and potency that was 70-fold that of WA (IC50 = 5.22 µM). Moreover
合成了新型 withangulatin A ( WA ) 衍生物并评估了其对四种人类癌细胞系(U2OS、MDA-MB-231、HepG2 和 A549)的抗增殖活性。在这些衍生物中,10表现出最有效的抗增殖活性,对人乳腺癌细胞系MDA-MB-231的 IC 50值为 74.0 nM,效力是WA 的70 倍(IC 50 = 5.22 µM)。此外,10以浓度依赖性方式引起 G2 期细胞周期停滞,并通过增加细胞内活性氧 (ROS) 诱导 MDA-MB-231 细胞凋亡。化合物10显示出对乳腺癌 MDA-MB-231 细胞的高选择性指数 (SI = 267.03)。这些结果表明10是一种很有前途的抗癌剂。