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Approaches for integrating heterogeneous RNA-seq data reveal cross-talk between microbes and genes in asthmatic patients
Genome Biology ( IF 10.1 ) Pub Date : 2020-07-21 , DOI: 10.1186/s13059-020-02033-z
Daniel Spakowicz 1, 2, 3, 4 , Shaoke Lou 1 , Brian Barron 1 , Jose L Gomez 5 , Tianxiao Li 1 , Qing Liu 5 , Nicole Grant 5 , Xiting Yan 5 , Rebecca Hoyd 3 , George Weinstock 2 , Geoffrey L Chupp 5 , Mark Gerstein 1, 6, 7, 8
Affiliation  

Sputum induction is a non-invasive method to evaluate the airway environment, particularly for asthma. RNA sequencing (RNA-seq) of sputum samples can be challenging to interpret due to the complex and heterogeneous mixtures of human cells and exogenous (microbial) material. In this study, we develop a pipeline that integrates dimensionality reduction and statistical modeling to grapple with the heterogeneity. LDA(Latent Dirichlet allocation)-link connects microbes to genes using reduced-dimensionality LDA topics. We validate our method with single-cell RNA-seq and microscopy and then apply it to the sputum of asthmatic patients to find known and novel relationships between microbes and genes.

中文翻译:


整合异质 RNA-seq 数据的方法揭示了哮喘患者微生物和基因之间的串扰



痰诱导是一种评估气道环境的非侵入性方法,特别是对于哮喘。由于人类细胞和外源(微生物)物质的混合物复杂且异质,因此痰样本的 RNA 测序 (RNA-seq) 可能难以解释。在这项研究中,我们开发了一个集成降维和统计建模的流程来应对异质性。 LDA(潜在狄利克雷分配)链接使用降维 LDA 主题将微生物与基因连接起来。我们通过单细胞 RNA 测序和显微镜验证了我们的方法,然后将其应用于哮喘患者的痰液,以发现微生物和基因之间已知的和新颖的关系。
更新日期:2020-07-21
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