Novel tacrine-tryptophan hybrids: Multi-target directed ligands as potential treatment for Alzheimer's disease
作者:Katarina Chalupova、Jan Korabecny、Manuela Bartolini、Barbara Monti、Doriano Lamba、Rosanna Caliandro、Alessandro Pesaresi、Xavier Brazzolotto、Anne-Julie Gastellier、Florian Nachon、Jaroslav Pejchal、Michaela Jarosova、Vendula Hepnarova、Daniel Jun、Martina Hrabinova、Rafael Dolezal、Jana Zdarova Karasova、Martin Mzik、Zdena Kristofikova、Jan Misik、Lubica Muckova、Petr Jost、Ondrej Soukup、Marketa Benkova、Vladimir Setnicka、Lucie Habartova、Marketa Chvojkova、Lenka Kleteckova、Karel Vales、Eva Mezeiova、Elisa Uliassi、Martin Valis、Eugenie Nepovimova、Maria Laura Bolognesi、Kamil Kuca
DOI:10.1016/j.ejmech.2019.02.021
日期:2019.4
A combination of tacrine and tryptophan led to the development of a new family of heterodimers as multi-target agents with potential to treat Alzheimer's disease. Based on the in vitro biological profile, compound S-K1035 was found to be the most potent inhibitor of human acetylcholinesterase (hAChE) and human butyrylcholinesterase (hBChE), demonstrating balanced IC50 values of 6.3 and 9.1 nM, respectively
他克林和色氨酸的结合导致了新的异二聚体家族的发展,作为具有治疗阿尔茨海默氏病潜力的多靶标药物。根据体外生物学特征,发现化合物S -K1035是人乙酰胆碱酯酶(h AChE)和人丁酰胆碱酯酶(h BChE)的最有效抑制剂,其平衡IC 50值分别为6.3和9.1 nM。对于所有他克林-色氨酸异二聚体,对h AChE以及对h BChE的良好抑制作用都被归因于这两个药效基团之间5至8个碳原子的最佳间隔区长度。小号-K1035抑制A也显示出良好的能力β 42自聚集(50μM58.6±5.1%)以及ħ胆碱酯酶诱导的阿β 40聚集(在100μM48.3±6.3%)。Tc AChE与S -K1035的复合物的X射线晶体学分析指出了所应用的杂交策略的实用性,并且由两种K1035对映异构体与h BChE的复合物确定的结构可以解释S -K1035的更高抑制效力。其他体外评估预测了S -K1035的能力跨越血脑屏