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GABA Excitotoxicity, Neuroprotection And The Perinatal Brain
Funder
National Health and Medical Research Council
Funding Amount
$547,970.00
Summary
Approximately 3.5% of babies die each year from brain damage due to perinatal asphyxia, a shortage of oxygen to the developing brain. Babies that survive face lifelong neurological disabilities, placing enormous burden on health, social and economic resources. Current treatments are inadequate. We will examine what occurs when there is a shortage of oxygen to the developing brain and investigate pathways to hypoxic brain injury that offer opportunities for therapeutic intervention.
Abeta Amyloid Imaging In Neurodegenerative Disorders With A Novel 18F Radiotracer
Funder
National Health and Medical Research Council
Funding Amount
$1,084,266.00
Summary
Alzheimer's disease is the most common age-related neurodegenerative disease, and the most common cause of dementia. It is estimated that 212,000 Australians suffer from dementia and this will rise to approximately 730,000 by 2050. Currently there are no definitive diagnostic methods for AD. The research proposed in this application describes the evaluation of a new imaging radiotracer that would be suitable for widespread non-invasive diagnosis of AD.
Determining The Cellular Mechanism Underlying Diffuse Axonal Injury Following Brain Trauma
Funder
National Health and Medical Research Council
Funding Amount
$400,885.00
Summary
Traumatic head injury causes transient stretch injury to the nerve cell processes within the brain. This leads to a poorly understood series of cellular changes within nerve cells which may ultimately lead to their breakage and subsequent neurological disability. This project seeks to understand how this nerve cell damage forms, and explores new potential interventions which may protect the brain.
Structural And Functional Consequences Of A Human Nicotinic Receptor Mutation
Funder
National Health and Medical Research Council
Funding Amount
$112,809.00
Summary
Identification of the defective gene underlying a particular form of inherited epilepsy in man, autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE), now provides the first opportunity to study the basic mechanisms of an inherited epilepsy in man. The responsible mutations affect a subunit of the nicotinic acetylcholine receptor. In this research project, quantitative methods of imaging the brain will be used bridge the gap in understanding which lies between the molecular defect and the ....Identification of the defective gene underlying a particular form of inherited epilepsy in man, autosomal dominant nocturnal frontal lobe epilepsy (ADNFLE), now provides the first opportunity to study the basic mechanisms of an inherited epilepsy in man. The responsible mutations affect a subunit of the nicotinic acetylcholine receptor. In this research project, quantitative methods of imaging the brain will be used bridge the gap in understanding which lies between the molecular defect and the clinical manifestations of ADNFLE. Involvement of a system of nerve pathways, the mesocortical dopaminergic system, is postulated to explain the preferential susceptibility of the frontal lobe to seizures in ADNFLE. Positron emission tomography will be used to examine changes in neurotransmitter release in the frontal lobe. The molecular defect in ADNFLE also provides a unique opportunity to examine the role of the nicotinic receptor in the development of the human brain and in important aspects of human cognition. Statistical mapping of anatomical variability and high resolution magnetic resonance scans will be used to detect alterations in the anatomical structure of the mesial frontal lobe. Evidence of deficient nicotinic receptor-mediated cognitive effects in ADNFLE will be sought using a battery of psychological tests shown to be sensitive to the effects of nicotine.Read moreRead less
Identifying Genes In The HLA Complex That Influence Clinical Course And Susceptibility In Multiple Sclerosis
Funder
National Health and Medical Research Council
Funding Amount
$725,177.00
Summary
There is no cure for multiple sclerosis (MS), but a person's genetic make-up can influence their susceptibility to developing MS and the symptoms of their condition. Knowing more about these MS genes will help to a) provide better advice concerning a person's risk of developing the disease or their prognosis b) in the design of new treatments. This project aims to identify 'MS genes in a region of the human genome call the HLA complex.
A Device For Simultaneous Continuous Acquisition Of EEG And MRI
Funder
National Health and Medical Research Council
Funding Amount
$179,401.00
Summary
We aim to further develop a world-leading method we invented that facilitates the simultaneous, continuous acquisition of the electroencephalogram (EEG - electrical brain waves measured at the scalp) and functional Magnetic Resonance Imaging (fMRI - images the location of brain activity throughout the brain). Combining the two permits non-invasive imaging of human brain function with the exquisite temporal resolution of EEG and the high spatial resolution and brain coverage afforded by fMRI.
My aim is to use advanced Neuroimaging to further our understanding of the pathophysiology of brain disorders, in particular Epilepsy, but also Sleep disorders, Schizophrenia, the Dementias. In the case of my main research interest (Epilepsy) it is to red
What Contributes To Regional Vulnerability In Neurodegenerative Diseases? A Study Of Familial Cases.
Funder
National Health and Medical Research Council
Funding Amount
$456,655.00
Summary
Unfortunately, as many people live longer, more and more are afflicted by degenerative changes that affect their brain. These neurodegenerative diseases are usually relentlessly progressive and with time render patients incapable of many normal functions. For some families with certain genetic defects, these diseases occur aggressively and early. We would like to study the brains of patients from these families because in most cases the proteins affected by the gene defect have been identified. ....Unfortunately, as many people live longer, more and more are afflicted by degenerative changes that affect their brain. These neurodegenerative diseases are usually relentlessly progressive and with time render patients incapable of many normal functions. For some families with certain genetic defects, these diseases occur aggressively and early. We would like to study the brains of patients from these families because in most cases the proteins affected by the gene defect have been identified. However, despite knowing this important information, the reasons for the death of brain cells are still not understood. This project will provide important new information on which brain cells died in these patients and on the relationship between such cell death and any cellular protein changes. By comparing patients with different genetic defects we will be able to identify the main cellular mechanisms underlying these degenerative changes. This information is essential for the rational design of further experiments aimed at reducing the suffering of all patients with neurodegenerative diseases or at eliminating these diseases altogether.Read moreRead less