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Trends in Alzheimers Disease Research Based upon Machine Learning Analysis of PubMed Abstracts

机译:基于PubMed摘要的机器学习分析的阿尔茨海默氏病研究趋势

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摘要

About 29.8 million people worldwide had been diagnosed with Alzheimer's disease (AD) in 2015, and the number is projected to triple by 2050. In 2018, AD was the fifth leading cause of death in Americans with 65 years of age or older, but the progress of AD drug research is very limited. It is helpful to identify the key factors and research trends of AD for guiding further more effective studies. We proposed a framework named as LDAP, which combined the >latent >Dirichlet >allocation model and >affinity >propagation algorithm to extract research topics from 95,876 AD-related papers published from 2007 to 2016. Trends and hotspots analyses were performed on LDAP results. We found that the focus points of AD research for the past 10 years include 15 diseases, 15 amino acids, peptides, and proteins, 9 enzymes and coenzymes, 7 hormones, 7 carbohydrates, 5 lipids, 2 organophosphonates, 18 chemicals, 11 compounds, 13 symptoms, and 20 phenomena. Our LDAP framework allowed us to trace the evolution of research trends and the most popular areas of interest (hotspots) on disease, protein, symptom, and phenomena. Meanwhile, 556 AD related-genes were identified, which are enriched in 12 KEGG pathways including the AD pathway and nitrogen metabolism pathway. Our results are freely available at .
机译:2015年,全球约有2980万人被​​诊断出患有阿尔茨海默氏病(AD),预计到2050年,这一数字将增加两倍。2018年,AD是65岁以上美国人中第五大死亡原因,但是AD药物研究的进展非常有限。确定AD的关键因素和研究趋势有助于指导更有效的研究。我们提出了一个名为LDAP的框架,该框架结合了> l atent > D irichlet > a 分配模型和> a ffinity < strong> p 传播算法可从2007年至2016年发表的95,876篇与AD相关的论文中提取研究主题。对LDAP结果进行了趋势和热点分析。我们发现,过去10年中AD研究的重点包括15种疾病,15种氨基酸,肽和蛋白质,9种酶和辅酶,7种激素,7种碳水化合物,5种脂质,2种有机膦酸酯,18种化学物质,11种化合物, 13种症状和20种现象。我们的LDAP框架使我们能够追踪研究趋势的发展以及有关疾病,蛋白质,症状和现象的最受关注的领域(热点)。同时,鉴定了556个AD相关基因,这些基因丰富于12个KEGG途径,包括AD途径和氮代谢途径。我们的结果可在上免费获得。

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