微生物药物协会预测与伯努利随机森林
Jia Qu1, Qing-Nuo Li1, Zi-Hao Song1
1The School of Computer Science and Artificial Intelligence & Aliyun School of Big Data, Changzhou University, Changzhou, China.
概括
这项研究引入了一个新的计算模型,贝诺利随机森林微生物药物协会 (BRFMDA) 预测,以确定对抗药物耐药微生物的潜在抗生素治疗. 该模型在预测微生物与药物关联方面表现出高准确性,有助于新药的开发.
科学领域:
- 计算生物学是一种计算生物学.
- 药物发现 药物发现
- 微生物学 微生物学
背景情况:
- 微生物抗生素耐药性的增加需要新的治疗策略.
- 了解微生物与药物之间的关联对于开发有效的抗生素至关重要.
- 预测微生物与药物联系的现有方法需要改进.
研究的目的:
- 开发和验证一种新的计算模型,用于预测微生物与药物之间的关联.
- 利用集成的微生物和药物相似性特征来提高预测准确度.
- 提供一种可靠的工具,用于识别对抗耐药微生物的潜在候选药物.
主要方法:
- 开发一个伯努利随机森林 (BRF) 模型用于微生物药物协会预测 (BRFMDA).
- 微生物和药物相似度指标的整合,以构建特征表示.
- 基于过器的特征选择和严格的交叉验证 (LOOCV,5倍) 的应用用于性能评估.
主要成果:
- 在微生物药物协会数据库 (MDAD) 和生物膜数据集上,BRFMDA实现了高预测性能.
- 全球LOOCV在MDAD上产生了0.9134的曲线下面面积 (AUC),在生物膜数据集上产生了0.9130的AUC.
- 交叉验证结果证实BRFMDA是一个可靠的模型来预测潜在的微生物药物协会.
结论:
- 开发的BRFMDA模型提供了一个强大而准确的方法来预测微生物与药物之间的关联.
- 这种计算工具可以显著加速新抗生素的发现,以对抗抗菌素耐药性.
- 对于药物开发和抗微生物药物管理的研究人员来说,BRFMDA提供了宝贵的见解.
相关概念视频
Prediction Intervals
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
The...
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
The...
Pharmacodynamic Models: Additive and Proportional Drug Effect Model
Drug response models describe how pharmacological agents interact with biological systems to produce measurable effects. Baseline responses are inherent physiological activities without a drug significantly influencing the observed pharmacological outcomes. Depending on the drug response model employed, these baseline responses may combine with the drug's effect in either an additive or proportional manner.Additive Drug Response ModelIn the additive model, the drug effect is independent of the...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...

