基于SMILES的卡尔巴酸衍生物的QSAR分析,以甲基胆化酶为向
Negin Latifi1, Shahin Ahmadi2, Shahram Lotfi3
1Department of Chemistry, TeMS.C., Islamic Azad University, Tehran, Iran.
Scientific reports
|January 28, 2026
概括
碳酸衍生物通过抑制丁醇化酶 (BuChE) 显示出对阿尔茨海默病治疗的前景. 这项研究开发了定量结构-活性关系 (QSAR) 模型,以预测和优化它们的BuChE抑制活性.
科学领域:
- 药用化学 医学化学
- 计算化学计算化学
- 神经科学是一个神经科学.
背景情况:
- 丁胆酶 (BuChE) 是阿尔茨海默病 (AD) 发病的一个关键酶.
- 抑制BuChE是AD管理的一个有前途的治疗策略.
- 碳酸衍生物是抗阿尔茨海默症药物发现的宝贵支架,因为它们具有伪不可逆转的抑制作用.
研究的目的:
- 开发定量结构-活性关系 (QSAR) 模型,用于预测碳酸衍生物的BuChE抑制活性.
- 探索化学结构和BuChE抑制功效之间的关系.
- 确定增强抑制活性的关键结构特征.
主要方法:
- 从同行评审的文献中编制了205种碳酸盐衍生物的数据集.
- 在CORAL-2023软件框架中使用蒙特卡洛优化.
- 利用来自SMILES记号和抑制分子图的混合最佳描述符.
主要成果:
- 在四个随机分割和四个目标函数中开发了60个QSAR模型.
- 基于TF3的模型表现出优异的统计性能,验证R2从0.80-0.86到Q2从0.78-0.84.
- 机械解释显示,芳香,疏水和分支碎片通过与BuChE活性部位的特定相互作用来增强活性.
结论:
- 开发的QSAR模型为设计基于碳酸盐的新型BuChE抑制剂提供了宝贵的工具.
- 像芳香性和疏水性这样的结构特征对于强大的BuChE抑制至关重要.
- 这项研究有助于合理设计针对BuChE的抗阿尔茨海默症疗法.
更多相关视频
相关概念视频
01:14Base Quantities and Derived Quantities
26.1K
In any system of units, the units for some physical quantities must be specified through a measurement process. These measurements are the base quantities of the system, and their units are the base units of the system. The algebraic combinations of the base values can then be used to express all other physical quantities. Each of these physical quantities is then referred to as a derived quantity, with each unit being referred to as a derived unit.
The International Organization for...
The International Organization for...
26.1K
03:02Measurement: Derived Units
55.3K
The International System of Units or SI system, by international agreement, has fixed measurement units for seven fundamental properties: length, mass, time, temperature, electric current, amount of substance, and luminosity. These are called the SI base units.
55.3K
01:01Classification of Titrimetric Analysis Based on Reaction Types
1.7K
Titrimetric analysis in solution chemistry involves measuring the volume of solutions and is often called volumetric analysis. The standard solution of known concentration in the burette is called the titrant, whereas the solution of unknown concentration in the flask is called the analyte, or titrand. Titrimetric analyses can be classified into four types based on the reactions between the titrant and analyte.
Titrations between an acid and a base lead to neutralization reactions that form...
Titrations between an acid and a base lead to neutralization reactions that form...
1.7K
01:29Higher Derivatives
74
In calculus, higher-order derivatives extend the idea of differentiation beyond the first derivative to capture successive rates of change. These derivatives provide detailed information about the behavior of functions and have important applications in both mathematics and physics. To illustrate these concepts, consider the example functionwhich serves as a useful case study for exploring higher derivatives.The first derivative represents the slope of the original function. The second...
74
01:15Derivatives
116
DerivativesThe concept of instantaneous rate of change is fundamental in both mathematics and physics, particularly in describing how a moving object alters its position with respect to time. This rate is captured mathematically through the derivative of a function. The derivative at a point represents the slope of the tangent line to the curve of the function at that point and quantifies how the function’s output changes per infinitesimal change in input.Derivative of the Square Root...
116
01:26The Derivative as a Function
82
A derivative quantifies how a function changes in response to variations in its input. It provides a localized rate of change, representing the slope of the tangent line to the function at any given point. When this process is applied systematically across the entire domain of the function, it yields a new function—the derivative function—which encodes the rate of change at every point. This concept is central to calculus and essential for understanding the behavior of dynamic...
82