Multi-omics analysis of attenuated variant reveals potential evaluation marker of host damaging for SARS-CoV-2 variants
© 2023. Science China Press..
SARS-CoV-2 continues to threaten human society by generating novel variants via mutation and recombination. The high number of mutations that appeared in emerging variants not only enhanced their immune-escaping ability but also made it difficult to predict the pathogenicity and virulence based on viral nucleotide sequences. Molecular markers for evaluating the pathogenicity of new variants are therefore needed. By comparing host responses to wild-type and variants with attenuated pathogenicity at proteome and metabolome levels, six key molecules on the polyamine biosynthesis pathway including putrescine, SAM, dc-SAM, ODC1, SAMS, and SAMDC were found to be differentially upregulated and associated with pathogenicity of variants. To validate our discovery, human airway organoids were subsequently used which recapitulates SARS-CoV-2 replication in the airway epithelial cells of COVID-19 patients. Using ODC1 as a proof-of-concept, differential activation of polyamine biosynthesis was found to be modulated by the renin-angiotensin system (RAS) and positively associated with ACE2 activity. Further experiments demonstrated that ODC1 expression could be differentially activated upon a panel of SARS-CoV-2 variants of concern (VOCs) and was found to be correlated with each VOCs' pathogenic properties. Particularly, the presented study revealed the discriminative ability of key molecules on polyamine biosynthesis as a predictive marker for virulence evaluation and assessment of SARS-CoV-2 variants in cell or organoid models. Our work, therefore, presented a practical strategy that could be potentially applied as an evaluation tool for the pathogenicity of current and emerging SARS-CoV-2 variants.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:67 |
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| Enthalten in: |
Science China. Life sciences - 67(2024), 1 vom: 01. Jan., Seite 83-95 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Xie, Guangshan [VerfasserIn] |
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| Links: |
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| Themen: |
Attenuated variant |
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| Anmerkungen: |
Date Completed 12.01.2024 Date Revised 12.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s11427-022-2379-x |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM362184798 |
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| 520 | |a SARS-CoV-2 continues to threaten human society by generating novel variants via mutation and recombination. The high number of mutations that appeared in emerging variants not only enhanced their immune-escaping ability but also made it difficult to predict the pathogenicity and virulence based on viral nucleotide sequences. Molecular markers for evaluating the pathogenicity of new variants are therefore needed. By comparing host responses to wild-type and variants with attenuated pathogenicity at proteome and metabolome levels, six key molecules on the polyamine biosynthesis pathway including putrescine, SAM, dc-SAM, ODC1, SAMS, and SAMDC were found to be differentially upregulated and associated with pathogenicity of variants. To validate our discovery, human airway organoids were subsequently used which recapitulates SARS-CoV-2 replication in the airway epithelial cells of COVID-19 patients. Using ODC1 as a proof-of-concept, differential activation of polyamine biosynthesis was found to be modulated by the renin-angiotensin system (RAS) and positively associated with ACE2 activity. Further experiments demonstrated that ODC1 expression could be differentially activated upon a panel of SARS-CoV-2 variants of concern (VOCs) and was found to be correlated with each VOCs' pathogenic properties. Particularly, the presented study revealed the discriminative ability of key molecules on polyamine biosynthesis as a predictive marker for virulence evaluation and assessment of SARS-CoV-2 variants in cell or organoid models. Our work, therefore, presented a practical strategy that could be potentially applied as an evaluation tool for the pathogenicity of current and emerging SARS-CoV-2 variants | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a attenuated variant | |
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| 700 | 1 | |a Li, Cun |e verfasserin |4 aut | |
| 700 | 1 | |a Diao, Xin |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Yanhao |e verfasserin |4 aut | |
| 700 | 1 | |a Su, Xiuli |e verfasserin |4 aut | |
| 700 | 1 | |a Song, Yuanyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Cao, Guodong |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Pui |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Xiaojuan |e verfasserin |4 aut | |
| 700 | 1 | |a Mok, Bobo Wing-Yee |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Shusheng |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Dong-Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Jie |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Honglin |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Zongwei |e verfasserin |4 aut | |
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