Antimicrobial and cytotoxic activity of (thio)alkyl hexopyranosides, nonionic glycolipid mimetics
作者:Petr Džubák、Soňa Gurská、Kateřina Bogdanová、Daniela Uhríková、Nina Kanjaková、Sophie Combet、Tomáš Klunda、Milan Kolář、Marian Hajdúch、Monika Poláková
DOI:10.1016/j.carres.2019.107905
日期:2020.2
as well as for antimicrobial potential on 12 bacterial and yeast strains. The most potent compounds were found to be tetradecyl and hexadecyl β-d-galactopyranosides (18, 19), which showed the best cytotoxicity and therapeutic index against CCRF-CEM cancer cell line. Similar cytotoxic activity showed hexadecyl α-d-mannopyranoside (5) but it also inhibited non-tumor cell lines. Because these two galactosides
研究了一系列衍生自d-甘露糖,d-葡萄糖和d-半乳糖的,具有C10-C16糖苷配基的19种合成烷基和硫代烷基糖苷对7种人类癌症和2种非肿瘤细胞系的细胞毒活性以及抗菌潜力在12种细菌和酵母菌株上。发现最有效的化合物是十四烷基和十六烷基β-d-吡喃半乳糖苷(18、19),显示出对CCRF-CEM癌细胞系最佳的细胞毒性和治疗指数。相似的细胞毒活性显示十六烷基α-d-甘露吡喃糖苷(5),但它也抑制了非肿瘤细胞系。因为这两个半乳糖苷(18、19)对所有测试的细菌和酵母菌株均无活性,所以它们可能是真核细胞的靶标特异性靶标。另一方面,具有十四烷基(11)和十六烷基(12)糖苷配基的β-D-吡喃葡萄糖苷仅抑制革兰氏阳性菌粪肠球菌。从POPC模型膜上的SAXS实验推导,所研究的苷在高浓度下诱导脂质双层厚度和侧向相分离的变化。通常,葡糖苷和半乳糖苷表现出更具体的性质。具有较长糖苷配基的化合物显示出高细胞毒性,