Host transcriptional responses in nasal swabs identify potential SARS-CoV-2 infection in PCR negative patients.

Host transcriptional responses in nasal swabs identify potential SARS-CoV-2 infection in PCR negative patients.
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DOI:
10.1016/j.isci.2022.105310
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发表时间:
2022-11-18
期刊:
影响因子:
5.8
通讯作者:
Meller, Robert
Meller, Robert
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Saravia-Butler, Amanda M.;Schisler, Jonathan C.;Taylor, Deanne;Beheshti, Afshin;Butler, Dan;Meydan, Cem;Foox, Jonathon;Hernandez, Kyle;Mozsary, Chris;Mason, Christopher E.;Meller, Robert

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We analyzed RNA sequencing data from nasal swabs used for SARS-CoV-2 testing. 13% of 317 PCR-negative samples contained over 100 reads aligned to multiple regions of the SARS-CoV-2 genome. Differential gene expression analysis compares the host gene expression in potential false-negative (FN: PCR negative, sequencing positive) samples to subjects with multiple SARS-CoV-2 viral loads. The host transcriptional response in FN samples was distinct from true negative samples (PCR & sequencing negative) and similar to low viral load samples. Gene Ontology analysis shows viral load-dependent changes in gene expression are functionally distinct; 23 common pathways include responses to viral infections and associated immune responses. GO analysis reveals FN samples had a high overlap with high viral load samples. Deconvolution of RNA-seq data shows similar cell content across viral loads. Hence, transcriptome analysis of nasal swabs provides an additional level of identifying SARS-CoV-2 infection. Nasal swab RNA analysis identifies SARS-CoV-2 infection in PCR-negative samples Host responses to SARS-CoV-2 infection are biphasic GO analysis identifies common biological responses regardless of SARS-CoV-2 viral load Biological sciences; Immunology; Virology; Transcriptomics
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