Synthesis of a 3′-C-ethynyl-β-d-ribofuranose purine nucleoside library: Discovery of C7-deazapurine analogs as potent antiproliferative nucleosides
作者:Fabian Hulpia、Sam Noppen、Dominique Schols、Graciela Andrei、Robert Snoeck、Sandra Liekens、Peter Vervaeke、Serge Van Calenbergh
DOI:10.1016/j.ejmech.2018.07.062
日期:2018.9
A focused nucleoside library was constructed around a 3′-C-ethynyl-d-ribofuranose sugar scaffold, which was coupled to variously modified purine nucleobases. The resulting nucleosides were probed for their ability to inhibit tumor cell proliferation, as well as for their activity against a panel of relevant human viruses. While C6-aryl substituted purine nucleosides were found to be weakly active,
聚焦核苷文库构建周围3'- Ç乙炔基d -ribofuranose糖支架,其耦合到各种修饰的嘌呤核碱基。探测所得核苷抑制肿瘤细胞增殖的能力,以及它们对一组相关人类病毒的活性。虽然发现C6-芳基取代的嘌呤核苷的活性较弱,但一些C7取代的7-脱氮嘌呤核苷却具有很强的抗增殖活性。在NCI-60肿瘤细胞系面板中评估了它们的活性谱,表明其对几种实体肿瘤衍生的细胞系的活性。模拟32在转移性乳腺肿瘤(MDA-MB-231-LM2)异种移植模型中评估了配备了7-脱氮7-氯6-氨基嘌呤9-基碱基的脱氧核糖核酸。BLI分析显示,它既抑制肿瘤生长,又减少了肺转移的形成。双十二碳核苷类似物66显示出针对hCMV的有趣活性。这些结果突出了重组已知糖和核碱基基序作为发现新型抗病毒或抗肿瘤剂的文库设计策略的潜在优势。