Article: Coinfection with respiratory syncytial virus and rhinovirus increases IFN-λ1 and CXCL10 expression in human primary bronchial epithelial cells.
2024 Volume 47, Issue 1, Page(s) 60–67
Abstract: Acute respiratory tract infection (ARTI) is common in all age groups, especially in children and the elderly. About 85% of children who present with bronchiolitis are infected with respiratory syncytial virus (RSV); however, nearly one-third are ... ...
| Abstract | Acute respiratory tract infection (ARTI) is common in all age groups, especially in children and the elderly. About 85% of children who present with bronchiolitis are infected with respiratory syncytial virus (RSV); however, nearly one-third are coinfected with another respiratory virus, such as human rhinovirus (HRV). Therefore, it is necessary to explore the immune response to coinfection to better understand the molecular and cellular pathways involving virus-virus interactions that might be modulated by innate immunity and additional host cell response mechanisms. This study aims to investigate the host innate immune response against RSV-HRV coinfection compared with monoinfection. Human primary bronchial/tracheal epithelial cells (HPECs) were infected with RSV, HRV, or coinfected with both viruses, and the infected cells were collected at 48 and 72 hours. Gene expression profiles of IL-6, CCL5, TNF-α, IFN-β, IFN-λ1, CXCL10, IL-10, IL-13, IRF3, and IRF7 were investigated using real-time quantitative PCR, which revealed that RSV-infected cells exhibited increased expression of IL-10, whereas HRV infection increased the expression of CXCL10, IL-10, and CCL5. IFN-λ1 and CXCL10 expression was significantly different between the coinfection and monoinfection groups. In conclusion, our study revealed that two important cytokines, IFN-λ1 and CXCL10, exhibited increased expression during coinfection. |
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| MeSH term(s) | Humans ; Rhinovirus/physiology ; Coinfection/virology ; Chemokine CXCL10/genetics ; Chemokine CXCL10/metabolism ; Epithelial Cells/virology ; Respiratory Syncytial Virus Infections/immunology ; Respiratory Syncytial Virus Infections/virology ; Bronchi/virology ; Bronchi/cytology ; Picornaviridae Infections/virology ; Picornaviridae Infections/immunology ; Interferons/genetics ; Interferons/metabolism ; Respiratory Syncytial Virus, Human/physiology ; Respiratory Syncytial Virus, Human/genetics ; Cells, Cultured ; Respiratory Syncytial Viruses/physiology ; Interferon Lambda ; Interleukins |
| Chemical Substances | Chemokine CXCL10 ; CXCL10 protein, human ; Interferons (9008-11-1) ; interferon-lambda, human ; Interferon Lambda ; Interleukins |
| Language | English |
| Publishing date | 2024-05-03 |
| Publishing country | Italy |
| Document type | Journal Article ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 756168-4 |
| ISSN | 1121-7138 ; 0391-5352 |
| ISSN | 1121-7138 ; 0391-5352 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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