Title |
Identification of GRP 78 (BiP) as a liver cell expressed receptor element for dengue virus serotype 2
|
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Published in |
Archives of Virology, January 2004
|
DOI | 10.1007/s00705-003-0263-x |
Pubmed ID | |
Authors |
S. Jindadamrongwech, C. Thepparit, D. R. Smith |
Abstract |
This study sought to identify receptor elements for dengue virus serotype 2 on human liver cells (HepG2) using the viral overlay protein binding assay (VOPBA) technique and Mass Spectrometry fingerprinting. A single major and several minor virus binding bands were observed, and mass spectrometry identified a candidate binding protein for the major binding band as GRP 78 (BiP). GRP78 expression on the cell surface was confirmed, and antibodies directed against both the N and C-terminus of GRP 78 (BiP) altered both the binding of the virus to the cell surface as well as the infectivity profile of HepG2 cells in response to dengue serotype 2 infection. GRP 78 (BiP), which has previously been identified as a co-receptor protein for coxsackievirus A9, is the first non-Fc receptor protein identified for the dengue virus, although GRP78 probably functions as part of a receptor complex. |
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Germany | 1 | <1% |
India | 1 | <1% |
United Kingdom | 1 | <1% |
Mexico | 1 | <1% |
United States | 1 | <1% |
Unknown | 142 | 96% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 36 | 24% |
Researcher | 23 | 16% |
Student > Master | 22 | 15% |
Student > Bachelor | 13 | 9% |
Professor | 7 | 5% |
Other | 24 | 16% |
Unknown | 23 | 16% |
Readers by discipline | Count | As % |
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Biochemistry, Genetics and Molecular Biology | 29 | 20% |
Medicine and Dentistry | 17 | 11% |
Immunology and Microbiology | 13 | 9% |
Chemistry | 6 | 4% |
Other | 12 | 8% |
Unknown | 29 | 20% |