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Durham e-Theses
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Epidermal Notch1 recruits innate lymphoid cells to orchestrate normal skin repair

LI, ZHI (2014) Epidermal Notch1 recruits innate lymphoid cells to orchestrate normal skin repair. Doctoral thesis, Durham University.

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Skin constitutes a barrier between our body and outside environment providing the first line defence against microbial infection. Epithelial repair and skin wound healing starts with inflammation to clear up invading pathogens and debris followed by cell proliferation and tissue remodelling. The immune response is vital for protecting the body from infection and diseases, however, it remains controversial whether the immune cells contribute to wound closure and tissue repair, or cause scarring and pathology. In this thesis, I investigate the role of Notch signalling in epithelial tissue repair. I demonstrate Notch1 signalling activation in epidermal keratinocytes following acute skin injury recruits innate lymphoid cells (i.e. ILC3s) to the site of injury in a TNF-α/CCL20-dependent mechanism and controls macrophage/monocyte recruitment via ILC3-dependent CCL3. Notch1 also induces epidermal production of IL23 which facilitates ILC3s to produce IL22 for re-epithelialization and skin repair.

Item Type:Thesis (Doctoral)
Award:Doctor of Philosophy
Faculty and Department:Faculty of Science > Biological and Biomedical Sciences, School of
Thesis Date:2014
Copyright:Copyright of this thesis is held by the author
Deposited On:25 Mar 2014 12:42

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