一个全面的机器学习框架,用于预测血脑屏障的透性,通过殖民地优化进行增强
Ahmed Miloudi1, Mohamed Chikri1, Said Boujraf1
1Sciences médicales et pharmaceutiques et recherche translationnelle, Faculty of Medicine and Pharmacy, Sidi Mohamed Ben Abdellah University, Fez, Morocco.
Current drug discovery technologies
|January 27, 2026
概括
这项研究开发了一种殖民地优化优化的深度神经网络 (ACO-DNN),用于预测血脑屏障 (BBB) 透性. ACO-DNN取得了最先进的结果,增强了中枢神经系统药物发现虚拟查.
科学领域:
- 计算化学是一种计算化学.
- 机器学习在药物发现中的作用
- 神经科学是一个神经科学.
背景情况:
- 血脑屏障 (BBB) 限制了药物输送到中枢神经系统 (CNS).
- 准确的BBB透性的in silico预测对于有效的药物发现至关重要.
- 开发强大的预测模型对于克服BBB挑战至关重要.
研究的目的:
- 开发和优化用于预测BBB透性的机器学习框架.
- 使用殖民地优化 (ACO) 增强深度神经网络 (DNN) 模型.
- 为中枢神经系统药物发现中虚拟查提供准确的工具.
主要方法:
- 策划了1957个化合物的数据集,其中有212个分子描述符.
- 采用基于支架的分割来进行数据集分区.
- 基准基准模型包括随机森林和标准DNN.
- 使用ACO来系统地优化DNN的超参数.
主要成果:
- 随机森林实现了基线AUC的0.913.
- ACO算法确定了一个优化的DNN架构.
- ACO优化的DNN实现了0.921.92的最先进的AUC-ROC.
- 优化模型的表现优于所有基线分类器.
结论:
- 超听觉优化 (ACO) 与传统的超参数调整相比,提供了优势.
- ACO优化的DNN表现出稳定性和强大的泛化能力.
- 开发的方法是药物发现中复杂模型优化的可通用模板.
相关概念视频
The Blood-brain Barrier
52.7K
Overview
52.7K
Bioavailability Enhancement: Drug Permeability Enhancement
197
Body:After oral administration, poor permeability often limits the rate at which drugs are absorbed through the intestinal epithelium. Enhancing drug permeability is crucial for effective therapy, and several strategies have been developed to overcome this challenge.One effective strategy involves the use of lipid-based formulations. These formulations enhance dissolution and solubility, targeting physiological mechanisms to increase drug absorption. This includes stimulating bile salt...
197
Higher Mental Functions of Brain: Learning and Memory
2.1K
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
2.1K
Predicting Molecular Geometry
45.7K
VSEPR Theory for Determination of Electron Pair Geometries
45.7K
Machines
573
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
A free-body diagram of the...
573
Permeability of Concrete
501
Permeability in the context of concrete refers to how easily liquids or gases can pass through the material. This quality is crucial for assessing the water-tightness and durability of concrete structures and their resistance to chemical attacks. Concrete permeability can be determined through comparative laboratory tests. These tests typically involve sealing a concrete specimen from the sides, applying water pressure to the top surface with pressure, and measuring the amount of water passing...
501


