Journal
ISCIENCE
Volume 24, Issue 5, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.isci.2021.102420
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Funding
- Proteomics Biomedicum, Karolinska Institutet
- Swedish Research Council [2017-01330, 2018-05766, 2017-03126]
- Karolinska Institute Stiftelser och Fonder [2020-02153, 2020-01554]
- Ake Wibergs Stiftelse [M20-0220]
- Innovative Medicines Initiative 2 Joint Undertaking (JU) [101005026]
- European Union
- VR [2020-05836]
- Swedish Cancer Society
- Vinnova [2017-03126] Funding Source: Vinnova
- Swedish Research Council [2020-05836, 2017-03126] Funding Source: Swedish Research Council
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The study assessed the tropism and cytopathogenicity of the first Swedish isolate of SARS-CoV-2 in six different human cell lines, comparing their growth characteristics and performing quantitative proteomics for susceptible cell lines. The protein abundance profile during SARS-CoV-2 infection revealed cell-type-specific regulation of cellular pathways. The data showed cell-type specific variability for cytopathogenicity, susceptibility, and cellular response to SARS-CoV-2, offering important clues for future studies.
The commonly used laboratory cell lines are the first line of experimental models to study the pathogenicity and performing antiviral assays for emerging viruses. Here, we assessed the tropism and cytopathogenicity of the first Swedish isolate of SARS-CoV-2 in six different human cell lines, compared their growth characteristics, and performed quantitative proteomics for the susceptible cell lines. Overall, Calu-3, Caco2, Huh7, and 293FT cell lines showed a high-to-moderate level of susceptibility to SARS-CoV-2. In Caco2 cells, the virus can achieve high titers in the absence of any prominent cytopathic effect. The protein abundance profile during SARS-CoV-2 infection revealed cell-type-specific regulation of cellular pathways. Type-I interferon signaling was identified as the common dysregulated cellular response in Caco2, Calu-3, and Huh7 cells. Together, our data show cell-type specific variability for cytopathogenicity, susceptibility, and cellular response to SARS-CoV-2 and provide important clues to guide future studies.
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