NfκBin:一种基于机器学习的方法,用于选TNF-α诱导的NF-κB抑制剂
Shipra Jain1, Ritu Tomer1, Sumeet Patiyal2
1Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India.
Frontiers in bioinformatics
|August 1, 2025
概括
我们开发了一个计算模型来预测抑制核因子kappa B (NF-κB) 信号通路的药物,这在炎症性疾病中至关重要. 该模型成功地在FDA批准的药物中确定了潜在的NF-κB抑制剂.
科学领域:
- 计算化学和药物发现
- 生物信息学和化学信息学
- 分子生物学和免疫学 分子生物学和免疫学
背景情况:
- 核因子kappa B (NF-κB) 信号传递与慢性炎症性疾病 (如类风湿性关节炎,炎症性肠病和喘) 有关.
- 准NF-κB是开发这些疾病新疗法的关键策略.
- 开发NF-κB抑制剂的预测模型可以加速药物发现.
研究的目的:
- 开发和验证用于预测抑制TNF-α诱导NF-κB信号通路的药物的计算方法.
- 通过机器学习模型,从FDA批准的药物库中识别潜在的NF-κB抑制剂.
- 为研究NF-κB相关疾病的研究人员提供可靠的工具.
主要方法:
- 利用了来自PubChem的1,149种抑制剂和1,332种非抑制剂的数据集.
- 使用PaDEL软件和通过单变量分析和SVC-L1规范化选择相关特征的计算化学描述器.
- 构建和优化机器学习模型,包括支持矢量分类器,实现最大AUC为0.75.
主要成果:
- 使用2D和3D描述符和分子指纹的机器学习模型显示出不同的性能 (AUC0.56-0.66).
- 特性选择显著改善了模型性能,支持矢量分类器实现了0.75.75的AUC.
- 性能最好的模型成功选了FDA批准的药物,预测的抑制剂在很大程度上与已知的实验结果保持一致.
结论:
- 开发的计算模型证明了用于识别NF-κB抑制剂的高预测可靠性.
- 这种方法可以加速发现慢性炎症疾病的新疗法.
- 这些模型通过独立的软件和Web服务器 (NfκBin) 可用,以实现更广泛的可访问性.
相关概念视频
NF-κB-dependent Signaling Pathway
7.9K
The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The...
NF-κB-dependent Signaling Mechanism
The...
7.9K
Drugs for Treatment of Crohn's Disease in IBD Using Biologic Agents: Anti-TNF
235
Tumor Necrosis Factor (TNF), a proinflammatory cytokine, contributes significantly to the inflammation seen in Crohn's disease. It exists as soluble TNF and membrane-bound TNF, with actions mediated through TNF receptors (TNFR). TNFR activation leads to the release of proinflammatory cytokines, T-cell activation, collagen production, and leukocyte migration, all contributing to inflammation in Crohn's disease. Anti-TNF monoclonal antibodies, namely infliximab (Remicade), adalimumab...
235


