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Human galectin-9 potently enhances SARS-CoV-2 replication and inflammation in airway epithelial cells 被引量:1
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作者 Li Du Mohamed S.Bouzidi +11 位作者 Akshay Gala Fred Deiter Jean-Noël Billaud Stephen T.Yeung Prerna Dabral Jing Jin Graham Simmons Zain Y.Dossani Toshiro Niki lishomwa c.ndhlovu John R.Greenland Satish K.Pillai 《Journal of Molecular Cell Biology》 SCIE CAS CSCD 2023年第4期46-59,共14页
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has caused a global economic and health crisis. Recently, plasma levels of galectin-9 (Gal-9), a β-galactoside-binding lectin involved in immu... The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has caused a global economic and health crisis. Recently, plasma levels of galectin-9 (Gal-9), a β-galactoside-binding lectin involved in immune regulation and viral immunopathogenesis, were reported to be elevated in the setting of severe COVID-19 disease. However, the impact of Gal-9 on SARS-CoV-2 infection and immunopathology remained to be elucidated. In this study, we demonstrate that Gal-9 treatment potently enhances SARS-CoV-2 replication in human airway epithelial cells (AECs), including immortalized AECs and primary AECs cultured at the air–liquid interface. Gal-9–glycan interactions promote SARS-CoV-2 attachment and entry into AECs in an angiotensin-converting enzyme 2 (ACE2)-dependent manner, enhancing the binding of the viral spike protein to ACE2. Transcriptomic analysis revealed that Gal-9 and SARS-CoV-2 infection synergistically induced the expression of key pro-inflammatory programs in AECs, including the IL-6, IL-8, IL-17, EIF2, and TNFα signaling pathways. Our findings suggest that manipulation of Gal-9 should be explored as a therapeutic strategy for SARS-CoV-2 infection. 展开更多
关键词 SARS-CoV-2 GALECTIN-9 INFLAMMATION airway epithelial cells
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