Cell host response to infection with novel human coronavirus EMC predicts potential antivirals and important differences with SARS coronavirus

Laurence Josset, Vineet Menachery, Lisa E. Gralinski, Sudhakar Agnihothram, Pavel Sova, Victoria S. Carter, Boyd L. Yount, Rachel L. Graham, Ralph S. Baric, Michael G. Katzea

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

A novel human coronavirus (HCoV-EMC) was recently identified in the Middle East as the causative agent of a severe acute respiratory syndrome (SARS) resembling the illness caused by SARS coronavirus (SARS-CoV). Although derived from the CoV family, the two viruses are genetically distinct and do not use the same receptor. Here, we investigated whether HCoV-EMC and SARS-CoV induce similar or distinct host responses after infection of a human lung epithelial cell line. HCoV-EMC was able to replicate as efficiently as SARS-CoV in Calu-3 cells and similarly induced minimal transcriptomic changes before 12 h postinfection. Later in infection, HCoV-EMC induced a massive dysregulation of the host transcriptome, to a much greater extent than SARS-CoV. Both viruses induced a similar activation of pattern recognition receptors and the interleukin 17 (IL-17) pathway, but HCoV-EMC specifically down-regulated the expression of several genes within the antigen presentation pathway, including both type I and II major histocompatibility complex (MHC) genes. This could have an important impact on the ability of the host to mount an adaptive host response. A unique set of 207 genes was dysregulated early and permanently throughout infection with HCoV-EMC, and was used in a computational screen to predict potential antiviral compounds, including kinase inhibitors and glucocorticoids. Overall, HCoV-EMC and SARS-CoV elicit distinct host gene expression responses, which might impact in vivo pathogenesis and could orient therapeutic strategies against that emergent virus. IMPORTANCE Identification of a novel coronavirus causing fatal respiratory infection in humans raises concerns about a possible widespread outbreak of severe respiratory infection similar to the one caused by SARS-CoV. Using a human lung epithelial cell line and global transcriptomic profiling, we identified differences in the host response between HCoV-EMC and SARS-CoV. This enables rapid assessment of viral properties and the ability to anticipate possible differences in human clinical responses to HCoV-EMC and SARS-CoV. We used this information to predict potential effective drugs against HCoV-EMC, a method that could be more generally used to identify candidate therapeutics in future disease outbreaks. These data will help to generate hypotheses and make rapid advancements in characterizing this new virus.

Original languageEnglish (US)
JournalmBio
Volume4
Issue number3
DOIs
StatePublished - May 1 2013
Externally publishedYes

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Severe Acute Respiratory Syndrome
Coronavirus
Antiviral Agents
Infection
Viruses
Respiratory Tract Infections
Disease Outbreaks
Epithelial Cells
Pattern Recognition Receptors
Gene Expression
Cell Line
Lung
Middle East
Interleukin-17
Antigen Presentation
Major Histocompatibility Complex
Transcriptome
Glucocorticoids
Genes
Phosphotransferases

ASJC Scopus subject areas

  • Microbiology
  • Virology

Cite this

Cell host response to infection with novel human coronavirus EMC predicts potential antivirals and important differences with SARS coronavirus. / Josset, Laurence; Menachery, Vineet; Gralinski, Lisa E.; Agnihothram, Sudhakar; Sova, Pavel; Carter, Victoria S.; Yount, Boyd L.; Graham, Rachel L.; Baric, Ralph S.; Katzea, Michael G.

In: mBio, Vol. 4, No. 3, 01.05.2013.

Research output: Contribution to journalArticle

Josset, L, Menachery, V, Gralinski, LE, Agnihothram, S, Sova, P, Carter, VS, Yount, BL, Graham, RL, Baric, RS & Katzea, MG 2013, 'Cell host response to infection with novel human coronavirus EMC predicts potential antivirals and important differences with SARS coronavirus', mBio, vol. 4, no. 3. https://doi.org/10.1128/mBio.00165-13
Josset, Laurence ; Menachery, Vineet ; Gralinski, Lisa E. ; Agnihothram, Sudhakar ; Sova, Pavel ; Carter, Victoria S. ; Yount, Boyd L. ; Graham, Rachel L. ; Baric, Ralph S. ; Katzea, Michael G. / Cell host response to infection with novel human coronavirus EMC predicts potential antivirals and important differences with SARS coronavirus. In: mBio. 2013 ; Vol. 4, No. 3.
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