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Content archived on 2024-06-18

Functional and structural changes of brain circuitry in altered oxygen conditions

Objective

Maintaining the oxygen (O2) concentration at an appropriate level is the most important task for the survival of a living organism. Both low level (hypoxia) and high level (hyperoxia) of O2 have deleterious effect on cells. Brain is especially sensitive to O2 change. These induces a variety of alterations in neuronal function, ionic homeostasis and cell morphology. Recording the network and single cell activity at various O2 concentrations in vivo in anesthetized and freely moving rats. The concentration of the inhaled O2 will be continuously monitored during the experiment. Cortical EEG activity will be recorded with animals in normoxic (21% O2), hyperoxic (30%, 50%, 70% and 100% O2) and hypoxic (16% and 10% O2) environment. A 16-64 channel multielectrode array will be inserted into the somatosensory cortex to record spontaneous electrical network activity. This technique enables us to record the electrical activity of a single cell, and determine the neuroanatomical (axon and dendrite arborization) and neurochemical characteristic of the cell. Based on these observations, our specific aims are to determine: Identify the distinct cell population(s) that are most vulnerable to the altered O2 concentrations. What are the potential long-term neurophysiological and behavioural outcomes of hyperoxic and hypoxic conditions. What is the relationship between these general outcomes and the activities of cortical inhibitory interneurons will also be addressed in the future. This project will combine various electrophysiology, neuroanatomy and behavioural approaches. The proposal has strong multi-disciplinary aspects as well since it involves the combined efforts of expertise from medical sciences, cell biology and computational science. It also has the potential prospect for practical applications given that new therapeutic options in hypoxia and hyperoxia are in high demand.

Fields of science (EuroSciVoc)

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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.

Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

FP7-PEOPLE-2013-IEF
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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.

MC-IEF - Intra-European Fellowships (IEF)

Coordinator

THE UNIVERSITY OF BIRMINGHAM
EU contribution
€ 309 235,20
Address
Edgbaston
B15 2TT Birmingham
United Kingdom

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Region
West Midlands (England) West Midlands Birmingham
Activity type
Higher or Secondary Education Establishments
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Total cost

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.

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