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https://scholarbank.nus.edu.sg/handle/10635/120520
DC Field | Value | |
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dc.title | CHARACTERIZATION OF NEUTRALIZING ANTIBODIES AGAINST CHIKUNGUNYA VIRUS REPLICATION | |
dc.contributor.author | SHIRLEY LAM | |
dc.date.accessioned | 2015-08-17T18:05:36Z | |
dc.date.available | 2015-08-17T18:05:36Z | |
dc.date.issued | 2015-05-11 | |
dc.identifier.citation | SHIRLEY LAM (2015-05-11). CHARACTERIZATION OF NEUTRALIZING ANTIBODIES AGAINST CHIKUNGUNYA VIRUS REPLICATION. ScholarBank@NUS Repository. | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/120520 | |
dc.description.abstract | CHIKUNGUNYA VIRUS (CHIKV) IS A MEDICALLY IMPORTANT HUMAN VIRAL PATHOGEN THAT CAUSES CHIKUNGUNYA FEVER ACCOMPANIED WITH DEBILITATING JOINT PAIN. HOST-ELICITED OR PASSIVELY-TRANSFERRED MONOCLONAL ANTIBODIES (MAB) ARE ESSENTIAL MEDIATORS OF CHIKV CLEARANCE. THEREFORE, THIS STUDY AIMS TO CHARACTERIZE A PANEL OF MABS FOR THEIR NEUTRALIZATION EFFICACY AGAINST CHIKV INFECTION IN A CELL-BASED AND MURINE MODEL. BOTH IGM 3E7B AND 8A2C BIND STRONGLY TO NATIVE CHIKV SURFACE AND POTENTLY NEUTRALIZES CHIKV REPLICATION. FURTHER ANALYSES ON CHIKV SINGLE MUTANT CLONES REVEALED THAT N218 OF CHIKV E2 PROTEIN IS A POTENT NEUTRALIZING EPITOPE. IN ADDITION, 3E7B BLOCKS CHIKV ATTACHMENT TO PERMISSIVE CELLS, POSSIBLY BY BINDING TO THE SURFACE-ACCESSIBLE E2-N218 RESIDUE. PROPHYLACTIC ADMINISTRATION OF 3E7B TO NEONATE MICE MARKEDLY REDUCED VIREMIA AND PROTECTED AGAINST CHIKV. GIVEN AT 4 H POST-INFECTION, 3E7B CONFERRED 100% SURVIVAL RATE AND SIMILARLY REDUCED CHIKV LOAD IN MOST MICE TISSUES EXCEPT THE LIMB MU | |
dc.language.iso | en | |
dc.subject | Chikungunya virus, IgM, Neutralizing, replication, antibodies | |
dc.type | Thesis | |
dc.contributor.department | MICROBIOLOGY & IMMUNOLOGY | |
dc.contributor.supervisor | CHU JANG HANN | |
dc.description.degree | Master's | |
dc.description.degreeconferred | MASTER OF SCIENCE | |
dc.identifier.isiut | NOT_IN_WOS | |
Appears in Collections: | Master's Theses (Open) |
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File | Description | Size | Format | Access Settings | Version | |
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LamS.MSC THESIS_FINAL E-version(1).pdf | 20.06 MB | Adobe PDF | OPEN | None | View/Download | |
LamS.MSC THESIS_FINAL E-version(2).pdf | 14.45 MB | Adobe PDF | OPEN | None | View/Download | |
LamS.MSC THESIS_FINAL E-version(3).pdf | 27.25 MB | Adobe PDF | OPEN | None | View/Download |
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