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Title: Contribution of lung migratory dendritic cells to the generation of influenza immunity
Authors: Ng, See Liang
Keywords: DRNTU::Science::Biological sciences
Issue Date: 2015
Source: Ng, S. L. (2015). Contribution of lung migratory dendritic cells to the generation of influenza immunity. Doctoral thesis, Nanyang Technological University, Singapore.
Abstract: Owing to the functional heterogeneity of DCs in the lung, there is a need to unravel the in vivo contribution of various DC subpopulations to the generation of influenza immunity. Using our Clec9a-DTR and Clec4a4-DTR transgenic mouse models which allow us to specifically deplete CD103+ cDCs and CD24+CD11b+ cDCs respectively in the lungs, we aimed to study the biology of these DC populations using mouse-adapted influenza A virus strain H1N1/PR8. We found that ablation of these lung-derived DCs led to high sensitivity to infection and severe depletion of influenza-virus specific CD8 T cells in the lungs and more importantly the mechanisms contributing to the reduced number of these pulmonary T cells in Clec9a-DTR and Clec4a4-DTR mice were different. Concurrently our data highlighted the dispensability of these DCs in the formation of homosubtypic immunity, but, they were required for the efficacy of heterosubtypic immunity.
DOI: 10.32657/10356/62214
Schools: School of Biological Sciences 
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Theses

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