Objective
The overall goal of this proposal is to determine in humans the wavelengths responsible for UV induced immunosuppression, potential genetic control mechanisms and whether the immunosuppression can be prevented by pretanning or sunscreens.
In addition to its direct effects on cellular DNA, UV has profound and complex effects on the immune systems which at least in mice induces the generation of T-lymphocytes that suppress immune responses in a long lasting and antigen specific manner (tolerance). The exact mechanisms leading to UV-induced immunosuppression are unknown, but may involve altered function of Langerhans cells, appearance of epidermal macrophages and induction of cytokines which mediate suppression.
In humans UV-radiation has been shown to induce immunosuppression, but the exact wavelength responsible is unknown and may include both UV-B and UV-A. In mice it has been shown that the susceptibility to the deleterious effects of UV-radiation is a genetically determined trait and similar genetic mechanisms in humans may determine those at great risk of developing skin cancer as a consequence of UV-irradiation.
This project is designed to provide answers to the following specific questions :
1. Which wavelength is responsible for UV-induced immunosuppression ?
2. Does this wavelength correlate with wavelengths which are responsible for the altered function and type of epidermal antigen presenting cells and cytokine release ?
3. Is the susceptibility to UV-induced immunosuppression in humans like in mice a genetically determined trait ?
4. Is it possible to prevent the UV-induced immunosuppression with pretanning or sunscreens ?
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- medical and health sciences clinical medicine oncology skin cancer
- natural sciences biological sciences genetics DNA
- medical and health sciences basic medicine immunology
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
2900 Køpenhavn
Denmark
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.