Discovery of a Fluorinated Enigmol Analog with Enhanced <i>in Vivo</i> Pharmacokinetic and Anti-Tumor Properties
作者:Eric J. Miller、Suzanne G. Mays、Mark T. Baillie、Randy B. Howard、Deborah G. Culver、Manohar Saindane、Sarah T. Pruett、Jason J. Holt、David S. Menaldino、Taylor J. Evers、G. Prabhakar Reddy、Richard F. Arrendale、Michael G. Natchus、John A. Petros、Dennis C. Liotta
DOI:10.1021/acsmedchemlett.6b00113
日期:2016.5.12
1-deoxy-sphingosine analog, Enigmol, has demonstrated anticancer activity in numerous in vivo settings. However, as no Enigmol analog with enhanced potency in vitro has been identified, a new strategy to improve efficacy in vivo by increasing tumor uptake was adopted. Herein, synthesis and biological evaluation of two novel fluorinated Enigmol analogs, CF3-Enigmol and CF2-Enigmol, are reported. Each analog was equipotent
口服生物可用的1-脱氧鞘氨醇类似物Enigmol在许多体内环境中均已显示出抗癌活性。然而,由于尚未鉴定出具有增强的体外效能的Enigmol类似物,因此采用了通过增加肿瘤吸收来提高体内功效的新策略。在此,报道了两种新颖的氟化Enigmol类似物CF 3 -Enigmol和CF 2 -Enigmol的合成和生物学评价。每种类似物在体外与Enigmol等价,但在体内比Enigmol更高的血浆和组织水平。尽管预计血浆和组织的暴露会随着氟含量的增加而增加,但CF2-Enigmol的吸收浓度远高于CF3-Enigmol。使用前列腺癌的小鼠异种移植模型,我们还显示CF3-Enigmol的表现不及Enigmol介导的肿瘤生长抑制作用,并引起全身毒性。相比之下,CF2-Enigmol与Enigmol相比没有系统毒性,并且显示出显着增强的抗肿瘤活性。