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Cited by 499

The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.

AXL is a candidate receptor for SARS-CoV-2 that promotes infection of pulmonary and bronchial epithelial cells

Open access
Wang, Shuai, Qiu, Zongyang, Hou, Yingnan, Deng, Xiya, Xu, Wei, Zheng, Tingting, Wu, Peihan, Xie, Shaofang, Bian, Weixiang, Zhang, Chong, Sun, Zewei, Liu, Kunpeng, Shan, Chao, Lin, Aifu, Jiang, Shibo, Xie, Youhua, Zhou, Qiang, Lu, Lu, Huang, Jing, Li, Xu·2021·Cell Research

Abstract

The current coronavirus disease 2019 (COVID-19) pandemic presents a global public health challenge. The viral pathogen responsible, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), binds to the host receptor ACE2 through its spike (S) glycoprotein, which mediates membrane fusion and viral entry. Although the role of ACE2 as a receptor for SARS-CoV-2 is clear, studies have shown that ACE2 expression is extremely low in various human tissues, especially in the respiratory tract. Thus, other host receptors and/or co-receptors that promote the entry of SARS-CoV-2 into cells of the respiratory system may exist. In this study, we found that the tyrosine-protein kinase receptor UFO (AXL) specifically interacts with the N-terminal domain of SARS-CoV-2 S. Using both a SARS-CoV-2 virus pseudotype and authentic SARS-CoV-2, we found that overexpression of AXL in HEK293T cells promotes SARS-CoV-2 entry as efficiently as overexpression of ACE2, while knocking out AXL significantly reduces SARS-CoV-2 infection in H1299 pulmonary cells and in human primary lung epithelial cells. Soluble human recombinant AXL blocks SARS-CoV-2 infection in cells expressing high levels of AXL. The AXL expression level is well correlated with SARS-CoV-2 S level in bronchoalveolar lavage fluid cells from COVID-19 patients. Taken together, our findings suggest that AXL is a novel candidate receptor for SARS-CoV-2 which may play an important role in promoting viral infection of the human respiratory system and indicate that it is a potential target for future clinical intervention strategies.

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Metadata

Authors
Wang, S., Qiu, Z., Hou, Y., Deng, X., Xu, W., Zheng, T., Wu, P., Xie, S., Bian, W., Zhang, C., Sun, Z., Liu, K., Shan, C., Lin, A., Jiang, S., Xie, Y., Zhou, Q., Lu, L., Huang, J., & Li, X.
Venue
Cell Research
Published
2021-01-08
Volume
31
Issue
2
Pages
126-140
ISSN
  • 1001-0602 (ISSN-L)
  • 1748-7838
OpenAlex
W3120758145
Cited by
499
References
63
FWCI
30.21
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: AXL is a candidate receptor for SARS-CoV-2 that promotes infection of pulmonary and bronchial epithelial cells. https://app.cochat.ai/papers/10.1038/s41422-020-00460-y
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Wang, S., Qiu, Z., Hou, Y., Deng, X., Xu, W., Zheng, T., Wu, P., Xie, S., Bian, W., Zhang, C., Sun, Z., Liu, K., Shan, C., Lin, A., Jiang, S., Xie, Y., Zhou, Q., Lu, L., Huang, J., & Li, X. (2021). AXL is a candidate receptor for SARS-CoV-2 that promotes infection of pulmonary and bronchial epithelial cells. Cell Research. https://doi.org/10.1038/s41422-020-00460-y

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