作者:Manel Ouji、Guillaume Barnoin、Álvaro Fernández Álvarez、Jean-Michel Augereau、Catherine Hemmert、Françoise Benoit-Vical、Heinz Gornitzka
DOI:10.3390/molecules25122817
日期:——
vitro as well as their cytotoxicity against mammalian cells. All the hybrid molecules tested showed efficacy against P. falciparum, in a nanomolar range for the most active, associated with a low cytotoxicity. However, cross-resistance between artemisinin and these hybrid molecules was evidenced. These results underline a fear about the risk of cross-resistance between artemisinins and new antimalarial
导致疟疾疾病的恶性疟原虫的出现对包括青蒿素在内的抗疟原虫药物具有抗药性,对公共健康构成了重大威胁。因此,迫切需要开发新的抗疟药物或组合。在这种情况下,基于两种化合物的不同作用模式,已经合成了几种结合双氢青蒿素衍生物和金 (I) N-杂环卡宾 (NHC) 配合物的杂化分子。在体外评估了这些分子的抗疟原虫活性以及它们对哺乳动物细胞的细胞毒性。所有测试的杂交分子都显示出对抗恶性疟原虫的功效,最活跃的在纳摩尔范围内,与低细胞毒性相关。然而,青蒿素和这些杂化分子之间的交叉耐药性得到了证实。这些结果强调了对青蒿素和基于内过氧化物部分的新型抗疟药之间交叉耐药风险的担忧。因此,这项研究引起了人们对在未来的疟疾治疗政策中使用此类分子的担忧。