Objective
In mammals, the skin is by its size one of the largest organs, covering the entire body and protecting inner tissues against a wide range of environmental threats ranging from UV irradiation to microorganisms and viruses. This function is achieved via a multilayered organization of the skin among which the outermost layer, the epidermis, provides its waterproofing and barrier functions to the skin. Upon excessive physical stress, skin can be damaged and has to be repaired in order to restore its protective function. To this end, keratinocytes from the epidermis migrate from the edges of the wound over the injured tissue. Such migration requires profound morphological changes driven by the cell cytoskeleton and the small G proteins of the Rho family. Besides, we have just observed that the transmembrane protein CD98hc is indeed required for proper epidermal wound healing in vivo. CD98hc is an intriguing protein that functions as both the large subunit of an amino acid transporter (SLC3A2) and a co-receptor for integrins. Additionally, in some instances, CD98hc can regulate Rho proteins activity. Therefore, in my first aim, I would like to address the molecular pathways responsible for Rho proteins regulation during epidermal wound healing and particularly those downstream of CD98hc. During my postdoctoral training in Keith Burridge’s lab, I have learned the techniques required to identify the GEFs and GAPs involved in this regulation. Independently, I also seek to explore the regulation of Rho GTPases by atypical regulators such as RhoGDIs. To this end, I propose, in a second aim, to assess the function of RhoGDI during epidermal wound healing. Along the same line, I seek to identify the GDF proteins responsible for the displacement of Rho from RhoGDI by setting up and screening a yeast 2-hybrid screen. I anticipate that completion these aims will give us a comprehensive understanding of the regulation of Rho proteins during wound healing.
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.
- natural sciences biological sciences microbiology virology
- natural sciences biological sciences biochemistry biomolecules proteins
- natural sciences biological sciences zoology mammalogy
- natural sciences chemical sciences organic chemistry amines
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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.
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.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP7-PEOPLE-2010-RG
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Funding Scheme
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.
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
75654 PARIS
France
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.