Epidermal growth factor receptor is a cellular receptor for human cytomegalovirus

Xin Wang, Shu-Mei Huong, Marie L. Chiu, Nancy Raab-Traub and Eng-Shang Huang ()
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Xin Wang: Lineberger Comprehensive Cancer Center
Shu-Mei Huong: Lineberger Comprehensive Cancer Center
Marie L. Chiu: Lineberger Comprehensive Cancer Center
Nancy Raab-Traub: Lineberger Comprehensive Cancer Center
Eng-Shang Huang: Lineberger Comprehensive Cancer Center

Nature, 2003, vol. 424, issue 6947, 456-461

Abstract: Abstract Human cytomegalovirus (HCMV) is a widespread opportunistic herpesvirus that causes severe and fatal diseases in immune-compromised individuals, including organ transplant recipients and individuals with AIDS1. It is also a leading cause of virus-associated birth defects and is associated with atherosclerosis and coronary restenosis1,2,3. HCMV initiates infection and intracellular signalling by binding to its cognate cellular receptors4,5 and by activating several signalling pathways including those mediated by mitogen-activated protein kinase5,6,7, phosphatidylinositol-3-OH kinase8, interferons5,9, and G proteins10. But a cellular receptor responsible for viral entry and HCMV-induced signalling has yet to be identified. Here we show that HCMV infects cells by interacting with epidermal growth factor receptor (EGFR) and inducing signalling. Transfecting EGFR-negative cells with an EGFR complementary DNA renders non-susceptible cells susceptible to HCMV. Ligand displacement and crosslinking analyses show that HCMV interacts with EGFR through gB, its principal envelope glycoprotein. gB preferentially binds EGFR and EGFR–ErbB3 oligomeric molecules in Chinese hamster ovary cells transfected with erbB family cDNAs. Taken together, these data indicate that EGFR is a necessary component for HCMV-triggered signalling and viral entry.

Date: 2003
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DOI: 10.1038/nature01818

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