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Targeting NPY Mechanisms In Rodent Models Of Generalised Epilepsy
Funder
National Health and Medical Research Council
Funding Amount
$437,637.00
Summary
This project will provide important information regarding the pharmacological mechanisms by which NPY acts to suppress seizures in animal models of epilepsy. It will provide strategies regarding potential new treatments of absence epilepsy.
Seizures appear unpredictable and greatly affect the quality of all aspects of life for patients with epilepsy and their carers. New advances in complex systems theory suggest that transitions from normal brain activity to seizures are preceded by measurable changes in the brain’s responses to stimuli, known as critical slowing. Measurement of critical slowing will enable prediction of seizures, providing a warning system, and possibly an opportunity to deliver preventative therapies.
Nodal Function In Peripheral Neuroinflammatory Disorders: Target Antigens, Functional Significance And Treatment Response
Funder
National Health and Medical Research Council
Funding Amount
$605,172.00
Summary
Inflammatory neuropathies are autoimmune disorders which produce severe disability and represent a costly burden to the healthcare system, but the causes remain unknown. Recent evidence from our team suggests that antibodies against parts of the peripheral nerve at the node of Ranvier are involved. The project aims to identify these specific targets and monitor treatment responsiveness, stabilise nerve function and prevent persistent disability.
The Effect Of Stress And Hypercortisolaemia On Limbic Epileptogenesis & Affective Disorder.
Funder
National Health and Medical Research Council
Funding Amount
$380,714.00
Summary
This project has the potential to provide novel insights about the causal connections between stress, psychiatric illness (specifically anxiety and depression) and temporal lobe epilepsy (TLE) - the most common form of medical refractory epilepsy in the community. Up to 50% of patients with TLE suffer from anxiety and-or depression. Until relatively recently it had been widely assumed that this was a consequence of the chronic epileptic condition. However, recent evidence suggests that there is ....This project has the potential to provide novel insights about the causal connections between stress, psychiatric illness (specifically anxiety and depression) and temporal lobe epilepsy (TLE) - the most common form of medical refractory epilepsy in the community. Up to 50% of patients with TLE suffer from anxiety and-or depression. Until relatively recently it had been widely assumed that this was a consequence of the chronic epileptic condition. However, recent evidence suggests that there is a bi-directional relationship, with the psychiatric conditions and stress also acting to aggravate the seizures and even predispose to the development of the epilepsy itself. Apart from gaining insights into causes of TLE, anxiety and depression, this framework has potential public health relevance suggesting approaches to the eventual primary and secondary prevention of both MTLE and its associated psychiatric co-morbidities, a neglected area at present. The use of an animal model allows investigation of aetiological processes that extend over the lifetime, which is exceptionally difficult to achieve in humans. Retrospective studies, such as case-control studies, although an indispensable research methods, are subject to bias and imprecision when it comes to measuring remote past exposures to stress, abuse, and deprivation. If the results of these experiments are consistent with our hypotheses, a very strong case would exist for exploring this relationship in human studies. The data would also provide a strong rationale for more aggressive detection and treatment of these psychiatric co-morbidities in TLE patients, in order to potentially modify the progression of the disorder as well as improve the quality of life of sufferers. The results of intervention studies in animal models may suggest specific mode of treatment to achieve this.Read moreRead less
Next Generation Brain-Machine Interface: Minimally-Invasive Endovascular Stent-Electrode Array For Robotic Limb Control
Funder
National Health and Medical Research Council
Funding Amount
$1,735,574.00
Summary
Persons affected by quadriplegia and hemiplegia from stroke and spinal cord injury have few treatment options. Brain Machine Interfaces (BMIs) reconnect brain to a prosthetic limb, bypassing damaged nervous system. Our group has developed a BMI that can be implanted minimally-invasively, inside a blood vessel within the brain. We propose to evaluate this device in animal studies, and continue on to a human clinical trial pilot study. The aim is to restore mechanical control over the physical env ....Persons affected by quadriplegia and hemiplegia from stroke and spinal cord injury have few treatment options. Brain Machine Interfaces (BMIs) reconnect brain to a prosthetic limb, bypassing damaged nervous system. Our group has developed a BMI that can be implanted minimally-invasively, inside a blood vessel within the brain. We propose to evaluate this device in animal studies, and continue on to a human clinical trial pilot study. The aim is to restore mechanical control over the physical environment for a paralysed patient.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE120102961
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
The role of the unfolded protein response in tau neurobiology and pathology. The main role of the protein tau is the stabilisation of the scaffolding of cells. In a group of dementias, tau forms abnormal clumps within the cells of the brain causing them to die. This project will investigate the cellular processes involved in normally preventing tau proteins from clumping and their role in the development of the abnormal tau clumps.
Why Does Early Life Stress Aggravate Limbic Epileptogenesis?
Funder
National Health and Medical Research Council
Funding Amount
$540,116.00
Summary
High rates of anxiety and depression occur in individuals with temporal lobe epilepsy (TLE), the most common form of focal epilepsy in adults. Rats that have experienced early life stress show increased anxiety, decreased seizure thresholds and accelerated epilepsy as adults. We have important leads to mechanisms. The proposed study will better understand the mechanisms connecting early life stress and psychiatric disease to adult TLE, and to test interventions that may counteract these effects.
Prediction of epilepsy seizure onset using nonlinear analysis of EEG recordings. This project will develop the theory and algorithms for reliable and robust prediction of the onset of epileptic seizures and the characterisation of epileptic seizures based on EEG data. Our interdisciplinary team consists of neuroscientists and systems engineers supported with clinicians and software developers. The team will develop the theory and design, implement and evaluate decision support software that is a ....Prediction of epilepsy seizure onset using nonlinear analysis of EEG recordings. This project will develop the theory and algorithms for reliable and robust prediction of the onset of epileptic seizures and the characterisation of epileptic seizures based on EEG data. Our interdisciplinary team consists of neuroscientists and systems engineers supported with clinicians and software developers. The team will develop the theory and design, implement and evaluate decision support software that is able to interpret eeg data and present epilepsy relevant information to clinicians and patients. Our methods are based on statistical signal processing, nonlinear dynamics (bifurcation and time-series methods) and systems engineering (system identification, adaptive methods).Read moreRead less
Brain Repair Following Stroke: The Role Of Npas4, A Neural-specific Transcription Factor
Funder
National Health and Medical Research Council
Funding Amount
$611,053.00
Summary
Stroke is the #1 cause of adult disability in Australia and #2 cause of death. About 60,000 Australians suffer a stroke each year while about 250,000 live with the disabilities of stroke, costing over $2B/year. The Queen Elizabeth Hospital and University of Adelaide will study why the Npas4 gene switches on after stroke and the role it plays in brain repair. Future health benefits may be tests to help improve stroke outcome in patients and therapy to decrease loss of brain cells after stroke.
Optimisation of signal processing and electrical stimulation algorithms for the abatement of epileptic seizures. Epilepsy is the second-most common neurological disorder behind stroke and ischemic attacks, affecting 1-2 per cent of the nation's population. Pharmaceutical therapies are ineffective in approximately one third of cases, the result being a large unmet need for novel treatments. The devices to be produced through this project will improve the quality of life of many patients in the fu ....Optimisation of signal processing and electrical stimulation algorithms for the abatement of epileptic seizures. Epilepsy is the second-most common neurological disorder behind stroke and ischemic attacks, affecting 1-2 per cent of the nation's population. Pharmaceutical therapies are ineffective in approximately one third of cases, the result being a large unmet need for novel treatments. The devices to be produced through this project will improve the quality of life of many patients in the future and alleviate their dependence on traditional medications. The devices will also reduce the patients' requirements for medical practitioners, hospital and ambulance services, and will therefore also reduce the financial burden that neurological and epilepsy patients place on the community.Read moreRead less