Integrated analysis of RNA-seq datasets reveals novel targets and regulators of COVID-19 severity

Author:

Oliveira Thais Teixeira1ORCID,Freitas Júlia Firme1ORCID,de Medeiros Viviane Priscila Barros1,Xavier Thiago Jesus da Silva1,Agnez-Lima Lucymara Fassarella1ORCID

Affiliation:

1. Departamento de Biologia Celular e Genética, Universidade Federal do Rio Grande do Norte

Abstract

During the COVID-19 pandemic, RNA-seq datasets were produced to investigate the virus–host relationship. However, much of these data remains underexplored. To improve the search for molecular targets and biomarkers, we performed an integrated analysis of multiple RNA-seq datasets, expanding the cohort and including patients from different countries, encompassing severe and mild COVID-19 patients. Our analysis revealed that severe COVID-19 patients exhibit overexpression of genes coding for proteins of extracellular exosomes, endomembrane system, and neutrophil granules (e.g.,S100A9,LY96, andRAB1B), which may play an essential role in the cellular response to infection. Concurrently, these patients exhibit down-regulation of genes encoding components of the T cell receptor complex and nucleolus, includingTP53,IL2RB, andNCL. Finally, SPI1 may emerge as a central transcriptional factor associated with the up-regulated genes, whereas TP53, MYC, and MAX were associated with the down-regulated genes during COVID-19. This study identified targets and transcriptional factors, lighting on the molecular pathophysiology of syndrome coronavirus 2 infection.

Funder

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Publisher

Life Science Alliance, LLC

Subject

Health, Toxicology and Mutagenesis,Plant Science,Biochemistry, Genetics and Molecular Biology (miscellaneous),Ecology

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