基于异构醇的新型尿素和氧化乙烯抗凝剂:MD模拟和ADMET预测
Marcin Gackowski1, Mateusz Jędrzejewski2,3, Sri Satya Medicharla4
1Department of Toxicology and Bromatology, Faculty of Pharmacy, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, A. Jurasza 2 Street, 85089 Bydgoszcz, Poland.
Pharmaceuticals (Basel, Switzerland)
|February 24, 2024
概括
新型异维醇衍生物显示出作为抗凝剂治疗的XA因子 (FXa) 抑制剂的潜力. 分子动力学模拟确定了具有有利性质的有希望的候选药物,类似于现有的FXa抑制剂.
科学领域:
- 药用化学 医学化学
- 计算机化药物设计技术
- 药理学 药理学是指药理学的学科.
背景情况:
- 激活血凝因子X (FXa) 是开发新抗凝剂的关键目标,以对抗血栓形成,这是导致死亡的主要原因.
- 现有的非维生素K对抗剂口服抗凝剂 (NOACs),如阿皮克萨班和里瓦罗克萨班抑制FXa,但正在寻找新型抑制剂.
- 之前的研究利用了定量结构-活性关系 (QSAR) 研究和分子对接来设计氨酸和氧胺乙烯异构醇衍生物作为FXa抑制剂.
研究的目的:
- 用分子动力学 (MD) 模拟来评估先前设计的异骨醇衍生物与FXa的结合稳定性和相互作用.
- 评估这些新型FXa抑制剂的类似药物和ADMET (吸收,分布,新陈代谢,分泌和毒性) 特性.
- 确定有前途的异维醇类似物,有可能作为抗凝剂进一步开发.
主要方法:
- 进行了100ns的分子动力学 (MD) 模拟,以分析九种设计的异醇衍生物 (三种尿素,六种氧基乙烯) 与FXa.
- 评估合成的异维醇类型的药物相似性和ADMET特性.
- 将最稳定的衍生品的结合方式和相互作用与FDA批准的药物如edoxaban和beterixaban进行了比较.
主要成果:
- 医学模拟证实了FXa和四种异骨醇衍生物 (一种硫尿素,三种氧胺乙烯类型) 之间的稳定复合物形成.
- 这些稳定衍生物与FXa的结合相互作用与已知抗凝剂edoxaban和beterixaban相当.
- 一种衍生品E24表现出有利的药理动力学特性,表明作为候选药物的巨大潜力.
结论:
- 该研究成功地确定了具有抑制FXa活性潜力的新型异骨醇衍生物.
- 四种衍生物显示稳定结合FXa,表明它们适合作为抗凝剂进行进一步调查.
- 衍生品E24因其有利的类似药物的特性而成为进一步合成和生物评估的有希望的候选者.
相关概念视频
Anticoagulant Drugs: Low-Molecular-Weight Heparins
697
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
697
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants
1.2K
Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
1.2K
Effects of EDTA on End-Point Detection Methods
272
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
272
Structure-Activity Relationships and Drug Design
720
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
720


