Wei Chao, Wang Lei, Zhang Han
Department of Ophthalmology, The Second Hospital of Shandong University, Jinan, 250033, Shandong Province, China.
Open Life Sci. 2018 Apr 10;13:90-96. doi: 10.1515/biol-2018-0013. eCollection 2018 Jan.
: This work proposes to predict target genes and pathways for uveal melanoma (UM) based on an ensemble method and pathway analyses.
The ensemble method integrated a correlation method (Pearson correlation coefficient, PCC), a causal inference method (IDA) and a regression method (Lasso) utilizing the Borda count election method. Subsequently, to validate the performance of PIL method, comparisons between confirmed database and predicted miRNA targets were performed. Ultimately, pathway enrichment analysis was conducted on target genes in top 1000 miRNA-mRNA interactions to identify target pathways for UM patients.
Thirty eight of the predicted interactions were matched with the confirmed interactions, indicating that the ensemble method was a suitable and feasible approach to predict miRNA targets. We obtained 50 seed miRNA-mRNA interactions of UM patients and extracted target genes from these interactions, such as , and . The 601 target genes in top 1,000 miRNA-mRNA interactions were enriched in 12 target pathways, of which Phototransduction was the most significant one.
The target genes and pathways might provide a new way to reveal the molecular mechanism of UM and give hand for target treatments and preventions of this malignant tumor.
本研究旨在基于集成方法和通路分析预测葡萄膜黑色素瘤(UM)的靶基因和通路。
该集成方法利用博尔达计数选举法,整合了一种关联方法(皮尔逊相关系数,PCC)、一种因果推断方法(IDA)和一种回归方法(套索)。随后,为验证PIL方法的性能,对已确认数据库与预测的miRNA靶标进行了比较。最后,对前1000个miRNA - mRNA相互作用中的靶基因进行通路富集分析,以确定UM患者的靶通路。
38个预测的相互作用与已确认的相互作用相匹配,表明该集成方法是预测miRNA靶标的合适且可行的方法。我们获得了UM患者的50个种子miRNA - mRNA相互作用,并从这些相互作用中提取了靶基因,如 、 和 。前1000个miRNA - mRNA相互作用中的601个靶基因富集在12条靶通路中,其中光转导通路最为显著。
这些靶基因和通路可能为揭示UM的分子机制提供新途径,并有助于该恶性肿瘤的靶向治疗和预防。