Objective
Ionic gradients are a fundamental feature of the nervous system and its development. They are established by the actions of ion pumps, transporters and channel proteins that reside in the membrane of cells. And maintaining these gradients is a prerequisite for generating fluxes of ions, which in turn drive cellular processes. Ion regulatory mechanisms often differ between cell types and changes in intracellular ion concentration have been implicated in multiple processes in the developing brain, from proliferation, to process outgrowth and the refinement of synaptic circuits. One of the limitations however, has been the shortage of experimental tools for dissecting intracellular ion dynamics in the developing nervous system. Here I propose to capitalise upon methods we have developed for directly measuring and manipulating ion concentrations in a spatially and temporally controlled manner. The proposal focuses upon two key ions: chloride ions and hydrogen ions, which can exhibit intracellular changes over a range of timescales. Working in the neocortex of developing mice, optical reporters will be used to measure ion dynamics at key stages of mammalian brain development and light-activated proteins will be used to selectively control intracellular ion levels. The first series of experiments will investigate chloride and hydrogen ion dynamics in neuronal progenitor cells and relate this to cellular processes during cortical neurogenesis. We will then compare how developing neurons and astrocytes establish their ion gradients, as our data indicate that these two cell types possess different regulatory mechanisms. We will examine how emerging network activity influences ion dynamics and then selectively manipulate these dynamics to examine their contribution to synaptic development and ongoing network activity. The final series of experiments will examine whether developing neurons show homeostatic responses when their intracellular ion gradients are challenged.
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 neurobiology
- natural sciences biological sciences biochemistry biomolecules proteins
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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.
ERC-2013-CoG
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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.
Host institution
OX1 2JD Oxford
United Kingdom
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.