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| Content Provider | PubMed Central |
|---|---|
| Author | Reddi, Honey V. Lipton, Howard L. |
| Copyright Year | 2002 |
| Abstract | The mechanisms by which Theiler's murine encephalomyelitis virus (TMEV) binds and enters host cells and the molecules involved are not completely understood. In this study, we demonstrate that the high-neurovirulence TMEV GDVII virus uses the glycosaminoglycan heparan sulfate (HS) as an attachment factor that is required for efficient infection. Studies based on soluble HS-mediated inhibition of attachment and infection, removal of HS with specific enzymes, and blocking with anti-HS antibodies establish that HS mediates GDVII virus entry into mammalian cells. Data from defined proteoglycan-deficient Chinese hamster ovary mutant cells further support the role of HS in GDVII infection and indicate that the extent of sulfation is critical for infection. Neuraminidase treatment of proteoglycan-deficient cells restores permissiveness to GDVII virus, indicating that sialic acid hinders direct access of virus to the protein entry receptor. A model of the potential steps in GDVII virus entry into mammalian cells involving HS is proposed. |
| Related Links | http://dx.doi.org/10.1128/jvi.76.16.8400-8407.2002 |
| Ending Page | 8407 |
| Page Count | 8 |
| Starting Page | 8400 |
| File Format | |
| ISSN | 0022538X |
| e-ISSN | 10985514 |
| Journal | Journal of Virology |
| Issue Number | 16 |
| Volume Number | 76 |
| Language | English |
| Publisher | American Society for Microbiology |
| Publisher Date | 2002-08-15 |
| Access Restriction | Open |
| Rights Holder | American Society for Microbiology |
| Subject Keyword | Immunology Virology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Virology Immunology Microbiology Insect Science |
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