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Ictal Characteristics Of Common Vestibular Diseases
Funder
National Health and Medical Research Council
Funding Amount
$281,573.00
Summary
vertigo is a disabling symptom affecting 1 million Australians at any given time. Acute vertigo is associated with abnormal eye movements or nystagmus, the pattern of which points to its origin. In this project, we extract the unique characteristics of distinct vertigo syndromes to enable their separation
Sound And Vibration-Evoked Vestibular Potentials In The Differential Diagnosis Of Common Vestibulopathy.
Funder
National Health and Medical Research Council
Funding Amount
$261,016.00
Summary
Vertigo is a debilitating symptom that is a significant burden to the community. This project utilizes a simple test of balance function called the Vestibular Evoked Myogenic Potential (VEMP), to differentiate between the four most common balance disorders causing vertigo. Using sound and vibration to stimulate different parts of the balance organs, we will extract useful discriminators for each disorder and develop a neural network that predicts the likelihood of each condition.
The aim of my project grant is to develop a portable electrodiagnostic test to classify balance disorders by compiling a statistically validated database of eye movement patterns associated with specific balance disorders. What is unique about this electrodiagnostic balance disorder test, which distinguishes it from but also complement conventional balance function tests, is its ability not only to show an impairment of balance function, but it can differentiate between balance disorders.
Cellular Mechanisms Underlying The Sense Of Balance
Funder
National Health and Medical Research Council
Funding Amount
$192,960.00
Summary
Dizziness, vertigo, and imbalance are major reasons for visits to the doctor, particularly by the elderly. For example, balance related falls account for an astonishing 50% of accidental deaths in people over 65. Inner ear disturbances account for 85% of these cases. Illness, infections, disease, head trauma or simply the natural aging process cause these disturbances and it is thought that they result in abnormal signals being sent from the inner ear to the brain. In spite of the health costs a ....Dizziness, vertigo, and imbalance are major reasons for visits to the doctor, particularly by the elderly. For example, balance related falls account for an astonishing 50% of accidental deaths in people over 65. Inner ear disturbances account for 85% of these cases. Illness, infections, disease, head trauma or simply the natural aging process cause these disturbances and it is thought that they result in abnormal signals being sent from the inner ear to the brain. In spite of the health costs associated with disorders of balance, very little is known about how signals are generated in our vestibular organs, let alone what abnormal changes may occur. Our attempts to understand balance in humans have been hampered by the lack of suitable experimental models. This proposal takes advantage of a newly developed mouse preparation to study key problems that could not be realistically addressed in whole animal or dissociated cells. We will investigate three critical components of balance organs. These components are: 1) hair cells that detect motion; 2) nerve endings that send information from hair cells to the brain; and 3) nerve endings that bring information from the brain. The aim of this proposal is to understand how these components interact with each other to provide us with a sense of balance. This knowledge will be the first of its kind and contribute significantly to our understanding of human vestibular function and pathology.Read moreRead less
Inner Ear Protein Function Studied Using RNA Interference
Funder
National Health and Medical Research Council
Funding Amount
$365,230.00
Summary
The proper functioning of all cells tissues and organs depends on specific proteins that are manufactured by readout from the genome. The inner ear is no exception to this general principle and hence the normal hearing process depends critically on the proper functioning of key proteins. However, because of inherent limitations in the methods used to study their function in living tissues, the precise role of many inner ear proteins in the complex hearing process is not known or is at best poorl ....The proper functioning of all cells tissues and organs depends on specific proteins that are manufactured by readout from the genome. The inner ear is no exception to this general principle and hence the normal hearing process depends critically on the proper functioning of key proteins. However, because of inherent limitations in the methods used to study their function in living tissues, the precise role of many inner ear proteins in the complex hearing process is not known or is at best poorly understood. In this project we will use a recently developed technique called RNA interference, to reduce the amounts of specific targeted proteins in the inner ear of experimental animals. We will then study the effects on the inner ear's ability to detect sounds. The technique differs from other genome-manipulating methods because it can be applied to a single intact organ in the mature animal. The results of this project will illuminate the role of specific inner ear proteins in the process of sound detection. The project will also demonstrate the feasibility of using the RNA interference technique to modify function in the adult inner ear, thus paving the way for future therapies for inherited hearing disorders.Read moreRead less
I am a neuroscientist specializing in human balance disorders. Over the past 17 years my research has focused on developing innovative, objective and accessible measurements of semicircular canal and otolith function of the vestibular system in three dime
Neurodegeneration In The Ageing Brain: How The Pathways Leading To Aggregated Protein Cause Disease
Funder
National Health and Medical Research Council
Funding Amount
$12,322,838.00
Summary
The team consists of eight highly experienced research scientists who are dedicated to solving the question of how the brain degenerates in the elderly when associated with the accumulation of certain proteins: e.g. A_ amyloid (Alzheimer�s disease) and PrP (Creutzfeldt-Jakob disease). Understanding the molecular pathways leading to the degeneration (loss of neuronal synapses) will permit the development of rational diagnostic and therapeutic interventions. Over the past five years the program ha ....The team consists of eight highly experienced research scientists who are dedicated to solving the question of how the brain degenerates in the elderly when associated with the accumulation of certain proteins: e.g. A_ amyloid (Alzheimer�s disease) and PrP (Creutzfeldt-Jakob disease). Understanding the molecular pathways leading to the degeneration (loss of neuronal synapses) will permit the development of rational diagnostic and therapeutic interventions. Over the past five years the program has identified several diagnostic and therapeutic avenues which are now being developed by the Pharmaceutical and Biotechnology industries. Much more research is still required for maximizing the chances of success using these approaches.Read moreRead less
The Prevalence And Trajectory Of Kidney Disease In Urban Aboriginal Children
Funder
National Health and Medical Research Council
Funding Amount
$94,515.00
Summary
The Study of Environment and Aboriginal Resilience on Child Health is a major NHMRC funded project looking at the health and illness of urban Aboriginal children in Australia. By working together with Aboriginal Community Controlled Health Services across urban and large regional centres in NSW the study team hope to better understand the causes of common diseases such as kidney and heart disease, and whether these first begin in childhood.
Computational Modelling To Understand Early-stage Neurodegeneration
Funder
National Health and Medical Research Council
Funding Amount
$645,205.00
Summary
Rather than attempting to reverse neurodegeneration, therapeutic strategies must target the earliest possible stages of disease, when treatments have the potential to prevent or slow down pathological progression. The proposed project will employ computational modelling using functional MRI to deliver highly efficient and sensitive markers of Familial Alzheimer’s disease and Huntington’s disease progression to inform when in the progression of disease clinical trials should take place.