Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/13572
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dc.contributor.authorYue, Shin Yen.en_US
dc.date.accessioned2008-05-15T07:26:27Zen_US
dc.date.accessioned2008-10-20T09:49:39Z-
dc.date.available2008-05-15T07:26:27Zen_US
dc.date.available2008-10-20T09:49:39Z-
dc.date.copyright2008en_US
dc.date.issued2008en_US
dc.identifier.urihttp://hdl.handle.net/10356/13572-
dc.description.abstractElucidation of the role of Bruton’s Tyrosine Kinase In Toll-Like Receptor 3 Signaling by Yue Shin Yen Abstract Toll-like receptors (TLR) are responsible for activating host defense defense against various pathogen and microorganisms. Recognition of pathogen-associated molecular patterns (PAMPs) by various TLRs activates innate immune system. Poly:IC, a synthetic oilgonucloetide which mimic double-stranded RNA binds to TLR3 and activates TRIF-dependent signal transduction cascade. I showed here that Bruton’s tyrosine kinase (Btk) is involved in TLR3 signaling in macrophages and B lymphocytes. Phosphorylated Btk upon poly:IC stimulation in bone marrow-derived macrophages (BMDM). Btk-deficient BMDM secreted less IL-10, IL-12, IL-6 and IFNβ cytokines compare to wildtype BMDM upon poly:IC stimulation. The defective cytokine production may be due to an impaired ERK and IRF3 activation. Absence of Btk also resulted in reduced expression of RANTES/ CCL5, chemokine mRNA. In addition, studies with CBA/Ca and xid B lymphocytes treated with poly:IC demonstrated that IL-10 cytokine production was reduced and suggested that Pleckstrin Homology (PH) domain of Btk is important for Btk activities. Taken together, these finding indicated that Btk plays a key role in TLR3 signaling by positively regulating major downstream signaling transduction events leading to an effective anti-viral response.en_US
dc.format.extent2 p.en_US
dc.language.isoenen_US
dc.subjectDRNTU::Science::Biological sciences::Molecular biologyen_US
dc.titleElucidation of the role of Bruton's tyrosine kinase in toll-like receptor 3 signaling.en_US
dc.typeFinal Year Project (FYP)en_US
dc.contributor.supervisorLam, Kong Pengen_US
dc.contributor.schoolSchool of Biological Sciencesen_US
dc.description.degreeBachelor of Science in Biological Sciencesen_US
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Appears in Collections:SBS Student Reports (FYP/IA/PA/PI)
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