Thio- and selenosemicarbazones as antiprotozoal agents against <i>Trypanosoma cruzi</i> and <i>Trichomonas vaginalis</i>
作者:Alexandra Ibáñez-Escribano、Cristina Fonseca-Berzal、Mónica Martínez-Montiel、Manuel Álvarez-Márquez、María Gómez-Núñez、Manuel Lacueva-Arnedo、Teresa Espinosa-Buitrago、Tania Martín-Pérez、José Antonio Escario、Penélope Merino-Montiel、Sara Montiel-Smith、Alicia Gómez-Barrio、Óscar López、José G. Fernández-Bolaños
DOI:10.1080/14756366.2022.2041629
日期:2022.12.31
mammalian cells (CC50 > 256 µM). Thiosemicarbazones 49, 51 and 63 showed remarkable trichomonacidal effects (IC50 =16.39, 14.84 and 14.89 µM) and no unspecific cytotoxicity towards Vero cells (CC50 ≥ 275 µM). Selenoisosters 74 and 75 presented a slightly enhanced activity (IC50=11.10 and 11.02 µM, respectively). Hydrogenosome membrane potential and structural changes were analysed to get more insight
摘要 在此,我们报道了通过改变取代基对 N-1 和 N-4 的立体电子效应以及硫属元素原子 (S, Se) 的性质,制备了一组席夫碱类似物作为抗原虫剂。这些化合物对克氏锥虫和阴道毛滴虫进行了评估。氨基硫脲31表现出最好的杀锥虫特性(表鞭毛虫),与苯并硝唑 (BZ) 相似:IC 50 ( 31 )=28.72 μM(CL-B5 菌株)和 33.65 μM(Y 菌株),IC 50 (BZ)=25.31 μM(CL -B5) 和 22.73 μM (Y);它对哺乳动物细胞没有毒性(CC 50 > 256 µM)。氨基硫脲49 , 51和63显示出显着的滴虫酸作用(IC 50 =16.39、14.84 和 14.89 µM)并且对 Vero 细胞没有非特异性细胞毒性(CC 50 ≥ 275 µM)。Selenoisosters 74和75的活性略有增强(IC 50 = 11.10 和 11.02