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揭示新型基于天然产物的多靶点配体(MTDLs)的潜力,这些配体整合了肉桂酰胺支架作为治疗阿尔茨海默病的多功能药物。

Unveiling the potential of novel natural product-based MTDLs that integrate cinnamamide scaffold as multifunctional agents for the treatment of Alzheimer's disease.

作者信息

Shaaban Amira E, Ali Ahmed R, Ayyad Seif N, Badria Farid A

机构信息

Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt; Department of Pharmacognosy, Faculty of Pharmacy, Horus University, New Damietta 34518, Egypt.

Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.

出版信息

Bioorg Chem. 2025 Aug;163:108666. doi: 10.1016/j.bioorg.2025.108666. Epub 2025 Jun 6.

Abstract

Multi-target directed ligands (MTDLs) can be an effective strategy for the treatment of multifactorial diseases like AD. The successful design of MTDLs has been achieved through the integration of multiple pharmacophores within a single molecule. In this context, innovative cinnamic acid MTDLs derived from natural products have been synthesized, targeting cholinesterases (ChEs) and monoamine oxidases (MAOs) as potential inhibitors. They were evaluated in vitro for the inhibition of AChE, BuChE, MAO-A and MAO-B. Most of the hybrids demonstrated promising and selective inhibition of AChE. Hybrid 16 demonstrated the highest inhibitory potency against AChE, BChE, MAO-A, and MAO-B, exhibiting IC values of 4.59, 13.24, 30.78 and 32.02 μM, respectively. Furthermore, hybrid 16 demonstrated notable antioxidant activity, indicated by an IC value of 12.49 μM. The proposed mechanism of action and the binding modes of hybrid 16 were analyzed through molecular docking studies. In silico predictions of physicochemical parameters suggest that these hybrids would remain active following oral administration and possess the capability to penetrate brain tissue. Hybrid 16 was stable within simulated gastric and intestinal contexts demonstrating its potential for absorption into the bloodstream without significant degradation. As a result, these findings enhance the prospects of hybrid 16 as a multi-target therapeutic agent for AD.

摘要

多靶点导向配体(MTDLs)可能是治疗像阿尔茨海默病(AD)这样的多因素疾病的有效策略。通过在单个分子中整合多个药效基团,成功实现了MTDLs的设计。在此背景下,已合成了源自天然产物的创新型肉桂酸MTDLs,将胆碱酯酶(ChEs)和单胺氧化酶(MAOs)作为潜在抑制剂进行靶向作用。对它们进行了体外抑制乙酰胆碱酯酶(AChE)、丁酰胆碱酯酶(BuChE)、单胺氧化酶A(MAO-A)和单胺氧化酶B(MAO-B)的评估。大多数杂合物对AChE表现出有前景的选择性抑制作用。杂合物16对AChE、丁酰胆碱酯酶(BChE)、MAO-A和MAO-B表现出最高的抑制效力,其IC值分别为4.59、13.24、30.78和32.02 μM。此外,杂合物16表现出显著的抗氧化活性,IC值为12.49 μM表明了这一点。通过分子对接研究分析了杂合物16的作用机制和结合模式。理化参数的计算机模拟预测表明,这些杂合物口服后仍将保持活性,并具有穿透脑组织的能力。杂合物16在模拟胃和肠道环境中稳定,表明其有吸收进入血液而无明显降解的潜力。因此,这些发现增强了杂合物16作为AD多靶点治疗药物的前景。

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