[Intramural] Cutaneous Immunology
Ente: Medical Research Council
Scadenza: 2023-03-30
Paese: GB
Descrizione
We are working towards treatment and prevention of immune-mediated skin disease. The skin is often the first point of contact with pathogens and allergens, but relatively little is understood about how the cutaneous immune system clears these challenges. Such knowledge is vitally important to understanding the mechanisms of skin disease and related diseases, and for developing more effective ways of cutaneous drug and vaccine delivery. It is increasingly clear that skin barrier dysfunction is an important first step in the development of atopic eczema, one of the commonest skin diseases in the UK, and often associated with asthma and rhinitis. The barrier dysfunction promotes entry of allergens and microbes which eventually lead to skin inflammation. The latter is treated with topical immune suppressants, but these are not curative and also carry risks of side effects. We wish to understand the steps linking barrier dysfunction and skin inflammation, as these will provide opportunities for new treatments. In particular, we will explore ways to repair barrier function and to understand the roles of novel immune cells in contributing to the inflammation. These findings will have implications for atopic eczema, but also for other forms of inflammatory skin disease and indeed for the improvement of vaccine delivery in to the skin.
Atopic disease affects 20-30% of the UK population and includes atopic eczema, asthma and rhinitis. Current treatments are suppressive, but not curative, and carry risks of side-effects. Since the identification of an association between atopic eczema and null mutations in the gene encoding filaggrin, it has become increasingly clear that events in the epithelium represent critical susceptibility factors in disease pathogenesis. We are working towards an understanding of the pathogenesis of atopic disease, in particular to explain how the epidermal dysfunction associated with filaggrin insufficiency contributes to atopic disease and whether this can be modified therapeutically. We capitalize on the ready access to lesional tissue in humans, and to function within networks and collaborations to maximize opportunities for success. The aim of the research is to understand the pathogenesis of cutaneous atopic disease in order to inform new approaches to disease prevention and treatment. The studies will also contribute to our understanding of the interaction between the epithelium and the innate and adaptive immune response. Emphasis will be focused on: 1) how filaggrin insufficiency promotes atopic inflammation and whether this can be therapeutically modified; 2) characterising innate IL-13 producing cells in human lesional atopic skin and after antigen challenge; 3) understanding mechanisms underlying antigen-specific immunotherapy to modulate immune responses in humans and to
Settori: UNLISTED
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