具有杀变形虫活性的苯甲酸衍生物：对转涎酸酶的酶分析和分子对接研究。

Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Boulevard del Maestro, s/n, Esq. Elías Piña, Reynosa 88710, Mexico.

Laboratorio de Bioquímica Microbiana, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico.

Molecules. 2017 Oct 30;22(11):1863. doi: 10.3390/molecules22111863.

Chagas, or American trypanosomiasis, remains an important public health problem in developing countries. In the last decade, -sialidase has become a pharmacological target for new anti-Chagas drugs. In this work, the aims were to design and find a new series of benzoic acid derivatives as -sialidase (TS) inhibitors and anti-trypanosomal agents. Three compounds (, , and ) sharing a -aminobenzoic acid moiety showed more potent trypanocidal activity than the commercially available drugs nifurtimox and benznidazole in both strains: the lysis concentration of 50% of the population (LC) was <0.15 µM on the NINOA strain, and LC < 0.22 µM on the INC-5 strain. Additionally, compound showed a moderate inhibition (47%) on the -sialidase enzyme and a binding model similar to DANA (pattern A).

查加斯病，亦称美洲锥虫病，仍是发展中国家的一个重要公共卫生问题。在过去十年中，唾液酸酶已成为新型抗查加斯病药物的药理学靶点。在这项工作中，目的是设计和寻找一系列新型苯甲酸衍生物作为唾液酸酶（TS）抑制剂和抗锥虫药物。三种含有 -氨基苯甲酸部分的化合物（、和）在两种菌株中的杀锥虫活性均强于市售药物硝呋替莫和苯并硝唑：在 NINOA 菌株中，半数人群裂解浓度（LC）<0.15 µM，在 INC-5 菌株中，LC<0.22 µM。此外，化合物对 -唾液酸酶表现出中等抑制（47%），并且结合模式类似于 DANA（模式 A）。