24155-42-8Relevant articles and documents
Lead optimization generates selenium-containing miconazole CYP51 inhibitors with improved pharmacological profile for the treatment of fungal infections
Xu, Hang,Yan, Zhong-zuo,Guo, Meng-bi,An, Ran,Wang, Xin,Zhang, Rui,Mou, Yan-hua,Hou, Zhuang,Guo, Chun
, (2021/03/16)
A series of selenium-containing miconazole derivatives were identified as potent antifungal drugs in our previous study. Representative compound A03 (MIC = 0.01 μg/mL against C.alb. 5314) proved efficacious in inhibiting the growth of fungal pathogens. However, further study showed lead compound A03 exhibited potential hemolysis, significant cytotoxic effect and unfavorable metabolic stability and was therefore modified to overcome these drawbacks. In this article, the further optimization of selenium-containing miconazole derivatives resulted in the discovery of similarly potent compound B17 (MIC = 0.02 μg/mL against C.alb. 5314), exhibiting a superior pharmacological profile with decreased rate of metabolism, cytotoxic effect and hemolysis. Furthermore, compound B17 showed fungicidal activity against Candida albicans and significant effects on the treatment of resistant Candida albicans infections. Meanwhile, compound B17 not only could reduce the ergosterol biosynthesis pathway by inhibiting CYP51, but also inhibited biofilm formation. More importantly, compound B17 also shows promising in vivo efficacy after intraperitoneal injection and the PK study of compound B17 was evaluated. In addition, molecular docking studies provide a model for the interaction between the compound B17 and the CYP51 protein. Overall, we believe that these selenium-containing miconazole compounds can be further developed for the potential treatment of fungal infections.
BuChE-IDO1 inhibitor as well as preparation method and application thereof
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, (2021/04/26)
The invention relates to the field of medicines, and particularly discloses a BuChE-IDO1 inhibitor as well as a preparation method and application thereof. The 7-chlorine-3-substituted benzothiophene part of sertaconazole is chemically modified, the influence of the 7-chlorine-3-substituted benzothiophene part of sertaconazole on the in-vitro inhibitory activity of AChE, BuChE and IDO1 is explored, the target compound is further optimized, and the technical problems that an existing BuChE-IDO1 inhibitor is poor in pertinence and safety are solved. What is explored is that an appropriate substituent group introduced to a 2-benzothiazole ring can form additional interaction with surrounding amino acids and heme iron, so that the binding affinity of the analogue with BuChE and IDO1 is increased, and a new idea is broadened for more efficient and targeted treatment of advanced AD diseases.
Azole antifungal compounds could have dual cholinesterase inhibitory potential according to virtual screening, enzyme kinetics, and toxicity studies of an inhouse library
Barut, Burak,Sari, Suat,Sabuncuo?lu, Suna,?zel, Arzu
, (2021/03/23)
Recent advances in cholinesterase inhibitors opened new venues for the treatment of cognitive disorders like Alzheimer's disease. Certain azole antifungals like miconazole were reported to have cholinesterase inhibitory effects and hence ameliorate cognitive deficits. In this study, we tested a set of azole antifungal derivatives selected through virtual screening of an inhouse library for their acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) inhibitory effects. Compound 61 showed potent and selective AChE inhibition (IC50 = 8.77 μM). The study also yielded dual AChE/BChE inhibitors in addition to a number of potent AChE inhibitors. Enzyme kinetics assays revealed that AChE inhibitors were competitive inhibitors. All the active compounds were imidazole derivatives and the modeling study showed that imidazole at protonated state contributed greatly to the binding interactions with some key residues of AChE and BChE active site. The active derivatives had negligible cytotoxic effects on murine fibroblast viability. According to our results, compounds featuring the classical scaffold of azole antifungal drugs could hold high potential for anticholinesterase drug design.
