使用生成建模来赋予最初惰性化合物具有良好的生物可用性和低毒性的功效
Robert I Horne1, Jared Wilson-Godber1, Alicia González Díaz1
1Centre for Misfolding Diseases, Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom.
Journal of chemical information and modeling
|January 23, 2024
概括
从具有良好的药物代谢和药理动力学 (DMPK) 特性的非活性化合物开始药物发现,可以克服早期成功的挑战. 机器学习成功地建立了阻碍α-synuclein聚合到这些化合物的抑制活性.
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:
- 早期的药物发现通常会产生具有较差药物代谢和药理动力学 (DMPK) 的有力化合物.
- 在被击中化合物中,这些可开发性问题可能会阻碍进展,并且很难解决.
- 一个替代策略涉及使用一个
- 一个虚无的图书馆,一个虚无的图书馆.
- 的化合物具有理想的DMPK特性,但没有目标活性.
研究的目的:
- 探索机器学习,从一开始就开发具有理想 DMPK 特性的候选药物.
- 应用生成式机器学习来制造α-synuclein聚合的抑制剂,这是与帕金森病相关的目标.
主要方法:
- 使用了MolDQN,一个生成的机器学习模型.
- 应用该模型来传递对α-synuclein聚合的抑制活性.
- 专注于修改具有有利DMPK特征的最初不活性化合物.
主要成果:
- 成功地将α-synuclein聚合抑制活性集成到具有良好的DMPK配置文件的化合物中.
- 证明了使用生成建模来提高药物开发能力的可行性.
- 展示了从可取的支架开始的新药设计的新方法.
结论:
- 生成型机器学习提供了一种强大的方法来解决DMPK在早期药物发现中的局限性.
- 这一策略使得能够创建具有所需功效和可开发性的候选药物.
- 该方法有望加速治疗神经退行性疾病 (如帕金森病) 的治疗方法的开发.
相关概念视频
Prodrugs
2.6K
Prodrugs are a class of pharmaceutical compounds that undergo a biotransformation process within the body to be converted into a pharmacologically active drug. Prodrugs are designed to improve the therapeutic properties of the parent drug, such as enhancing bioavailability, increasing stability, or reducing toxicity. The concept of prodrugs revolves around modifying the chemical structure of the original drug to make it more effective or convenient for administration.
Prodrugs help overcome...
Prodrugs help overcome...
2.6K
Drug Discovery: Overview
7.9K
Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
7.9K
Drug Biotransformation: Overview
2.4K
Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
2.4K
Mutagenicity and Carcinogenicity
1.3K
Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
1.3K
Factors Affecting Dissolution: Drug Permeability, Stability and Stereochemistry
208
Orally administered drugs primarily enter the systemic circulation via passive diffusion through the intestinal membranes. The drug's absorption is influenced by drug stability in the gastrointestinal GI tract, membrane permeability, the surface area available for absorption, luminal drug concentration, and residence time in the lumen. Drug permeability can be enhanced by adjusting the lipophilicity, polarity, or molecular size of the drug, promoting its passive transport across intestinal...
208
Pharmacokinetic Models: Overview
694
Pharmacokinetic models utilize mathematical analysis to achieve a detailed quantitative understanding of a drug's life cycle within the body. They are instrumental in simulating a drug's pharmacokinetic parameters, predicting drug concentrations over time, optimizing dosage regimens, linking concentrations with pharmacologic activity, and estimating potential toxicity.
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
694


