Synthesis of new non-natural l-glycosidic flavonoid derivatives and their evaluation as inhibitors of Trypanosoma cruzi ecto-nucleoside triphosphate diphosphohydrolase 1 (TcNTPDase1)
作者:Isadora Cunha Ribeiro、João Victor Badaró de Moraes、Christiane Mariotini-Moura、Marcelo Depolo Polêto、Nancy da Rocha Torres Pavione、Raissa Barbosa de Castro、Izabel Luzia Miranda、Suélen Karine Sartori、Kryssia Lohayne Santos Alves、Gustavo Costa Bressan、Raphael de Souza Vasconcellos、José Roberto Meyer-Fernandes、Gaspar Diaz-Muñoz、Juliana Lopes Rangel Fietto
DOI:10.1007/s11302-023-09974-7
日期:——
antiviral, and antitumor activities. Its potential as a partial inhibitor of NTPDases has also been demonstrated. In this work, we synthesized the non-natural l-glycoside derivatives of quercetin and evaluated them as inhibitors of recombinant TcNTPDase1 (rTcNTPDase1). These compounds, and quercetin and miquelianin, a natural quercetin derivative, were also tested. Compound 16 showed the most significant
克氏锥虫是南美锥虫病的病原体,南美锥虫病是一种被忽视的热带疾病,影响着全世界超过 600 万人。没有疫苗可以预防感染,治疗手段也非常有限且有毒。克氏锥虫独特的 E-NTPDase (TcNTPDase1) 在粘附和感染中发挥重要作用,并且是一种毒力因子。槲皮素是一种黄酮类化合物,具有抗菌、抗病毒和抗肿瘤活性。其作为 NTPDases 部分抑制剂的潜力也已得到证实。在这项工作中,我们合成了槲皮素的非天然L-糖苷衍生物,并评估了它们作为重组 TcNTPDase1 (rTcNTPDase1) 的抑制剂。这些化合物以及槲皮素和miquelianin(一种天然槲皮素衍生物)也进行了测试。化合物16显示出最显着的抑制效果(94%)。槲皮素、miquelianin 和化合物14显示出接近 50% 的抑制率。我们彻底研究了16的抑制作用。我们的数据表明存在竞争性抑制,Ki 为 8.39 μM (± 0.90)。为了更好地了解化合物16和