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A New Non-invasive Diagnostic Technique Based On Detection Of Exhaled Respiratory Pathogens.
Funder
National Health and Medical Research Council
Funding Amount
$179,300.00
Summary
We developed a special collection mask and showed that the breath of people with colds or flu contains a tiny amount of virus. Currently, diagnostic samples are collected by putting a tube into the airways - this is very uncomfortable. Our masks may provide a new and more comfortable way to diagnose lung infections. We want to build better masks and ways to detect viruses and bacteria to test out this method. This may create a new test that will improve diagnosis and treatment.
Identification And Characterisation Of Novel Mouse Models For Recessively Inherited Deafness.
Funder
National Health and Medical Research Council
Funding Amount
$504,750.00
Summary
Hearing loss affects 10% of Australians. Approximately 1 in 1000 children is born deaf. Another 1 in 1000 people develops hearing loss by adulthood. A progressive hearing impairment occurs with age so that more than 50% of people over the age of 75 have a substantial hearing loss. The financial, social and personal costs of deafness are significant. Deafness is caused by environmental and- or inherited factors. Environmental risk factors include premature birth, infections and exposure to loud n ....Hearing loss affects 10% of Australians. Approximately 1 in 1000 children is born deaf. Another 1 in 1000 people develops hearing loss by adulthood. A progressive hearing impairment occurs with age so that more than 50% of people over the age of 75 have a substantial hearing loss. The financial, social and personal costs of deafness are significant. Deafness is caused by environmental and- or inherited factors. Environmental risk factors include premature birth, infections and exposure to loud noise. Inherited factors include changes (mutations) in one of many genes whose products are essential for normal hearing. In the majority of children and young people with a hearing impairment the underlying cause is genetic. It is also thought that genetic predisposition frequently contributes to the early onset and the severity of age-related hearing loss. However, it has been difficult to identify the genes causing deafness, and as a consequence we know relatively little about what these genes do. The mouse ear is very similar to the human ear and in this application we propose to use mice to identify and study deafness genes. Australia has a unique resource of mice that are being especially bred to uncover genetic diseases. We have shown that 1 in a 1,000 of these mice have a genetic hearing loss similar to that found in most newborns and young people. These mice therefore provide us with an exceptional opportunity to discover novel deafness genes, which again will provide us with more information about how we hear. We will investigate why changes in these genes causes hearing loss and this information will allow us to determine in detail how genetic and environmental factors lead to hearing loss in young and old. The results will immediately allow us to offer earlier diagnosis and better counselling to affected families, and in the longer term we believe our research will enable us to develop improved or novel treatments to delay or prevent deafness.Read moreRead less
Identification And Characterisation Of Mouse Models For Recessively Inherited Deafness.
Funder
National Health and Medical Research Council
Funding Amount
$691,893.00
Summary
Hearing loss affects 10% of Australians. Approximately 1 in 1000 children are born deaf. A progressive hearing impairment occurs with age so that more than 50% of people over the age of 75 have a substantial hearing loss. The financial, social and personal costs of deafness are significant. Deafness is caused by environmental and-or inherited factors. In the majority of children and young people with a hearing impairment the underlying cause is genetic. It is also known that genetic predispositi ....Hearing loss affects 10% of Australians. Approximately 1 in 1000 children are born deaf. A progressive hearing impairment occurs with age so that more than 50% of people over the age of 75 have a substantial hearing loss. The financial, social and personal costs of deafness are significant. Deafness is caused by environmental and-or inherited factors. In the majority of children and young people with a hearing impairment the underlying cause is genetic. It is also known that genetic predisposition frequently contributes to the time of onset and the severity of age-related hearing loss, as well as susceptibility to noise and ototoxic drugs. It has proven difficult to identify the genes causing deafness, especially those genes associated with age-related hearing loss and susceptibility to noise and ototoxic drugs. The mouse ear is very similar to the human ear and therefore well suited to genetic and molecular studies of human deafness. Australia has a unique resource of mutagenised mice that are being bred to uncover recessive deafness, the most common type of inherited hearing loss. We have so far identified 10 mouse strains with recessive hearing impairment. 5 of the strains have an age-related hearing loss. We have identified the genetic mutation in 3 of the strains, including a mutation in a novel deafness gene. Another strain has a mutation in a novel deafness gene yet to be identified. We propose to continue the studies of these and additional mice. We will investigate why changes in these genes cause hearing loss and determine in detail how genetic and environmental factors lead to hearing loss in young and old. The results will allow us to offer earlier diagnosis and better counselling to affected families, and in the longer term we believe our research will enable us to develop improved or novel treatments to delay or prevent deafness.Read moreRead less
Inflammation-associated S100 Proteins: Links Between Arthritis And Atherosclerosis
Funder
National Health and Medical Research Council
Funding Amount
$454,691.00
Summary
Deeper understanding of the basic contributions of inflammation to cardiovascular disease can lead to better strategies for treatment and diagnosis. There are shared mechanisms in rheumatoid arthritis and these patients are at significantly higher risk of myocardial infarction and heart failure than the healthy normal population. This project will improve heart health because it will address how newly-recognised proteins, called S100 proteins, mediate pathogenesis and how they are regulated in c ....Deeper understanding of the basic contributions of inflammation to cardiovascular disease can lead to better strategies for treatment and diagnosis. There are shared mechanisms in rheumatoid arthritis and these patients are at significantly higher risk of myocardial infarction and heart failure than the healthy normal population. This project will improve heart health because it will address how newly-recognised proteins, called S100 proteins, mediate pathogenesis and how they are regulated in cells by various therapeutic drugs. We developed a potential diagnostic test that distinguishes patients with angina from those with arthritis and this could be useful in improving diagnosis and following treatment of patients with cardiovascular disease or arthritis. We find that some anti-inflammatory drugs enhance S100 gene expression whereas our preliminary data indicates that some cholesterol-lowering drugs (statins) reduce it. Results of treating patients with arthritis with statins will add to understanding of why cholesterol-lowering drugs commonly used in management of CVD patients may be effective in treating symptoms in arthritis sufferers and could contribute to changes in clinical management of these patients.Read moreRead less
Hydatid disease is caused by a parasitic infection that is transmitted to people by animals. The disease causes substantial human morbidity and mortality worldwide, and is endemic in Australia. Currently available drugs are poorly effective against the parasite and treatment of the disease relies mainly on surgical removal of often large parasitic cysts, where this is possible. Blood tests to identify people who are infected rely on the use of parasite samples obtained from animals, which leads ....Hydatid disease is caused by a parasitic infection that is transmitted to people by animals. The disease causes substantial human morbidity and mortality worldwide, and is endemic in Australia. Currently available drugs are poorly effective against the parasite and treatment of the disease relies mainly on surgical removal of often large parasitic cysts, where this is possible. Blood tests to identify people who are infected rely on the use of parasite samples obtained from animals, which leads to difficulties with adequate supply of material and quality control. Research in this laboratory discovered that the hydatid parasite produces a protein that binds the drug cyclosporin A and that specific antibodies are made to this protein in hydatid patients. Preliminary research by others found that cyclosporin A had anti-parasitic effects on hydatid disease in an animal model system. This research project will examine in detail the characteristics of the cyclophilin protein and related proteins, in the hydatid parasite, their interaction with cyclosporin A, the effects of cyclosporin A on the parasite in defined culture conditions, the mechanism by which cyclosporin A exerts anti-parasitic effects and the prospects for use of cyclophilin in tests for the diagnosis of human hydatid disease. The research will contribute to a better understanding of the basic biology of this pathogen and may identify improved methods for the chemotherapy and diagnosis of infection.Read moreRead less
Melanoma incidence continues to rise & it remains a leading cause of cancer death in young adults. Prevention & early detection are foundations of disease control. Drug treatments for advanced disease have recently begun to extend survival but remain ineffective in many. Utilising the extensive resources of Melanoma Institute Australia (world's largest melanoma treatment centre), this research seeks to improve outcomes of patients with difficult to treat & aggressive melanomas.
Early Detection Of Lung Cancer And Mesothelioma In Asbestos Workers At Highest Risk
Funder
National Health and Medical Research Council
Funding Amount
$623,268.00
Summary
Through no fault of their own, many Australian workers have been inadvertently exposed to asbestos and are at high risk of developing lung cancer and mesothelioma. With the peak incidence bearing upon us, there is an urgent need for early detection by CT.
SNAC2: A Randomised Trial Of Extending Sentinel Node Based Management To Women With Larger Or Multifocal Breast Cancers
Funder
National Health and Medical Research Council
Funding Amount
$1,266,430.00
Summary
SNAC2 extends the work begun in SNAC1, which recruited 1,088 women over 4 years. SNAC1 will determine if sentinel node biopsy causes less arm problems than axillary clearance. The goal of SNAC2 is to establish the risk of local recurrence and long term safety of sentinel node biopsy, especially for women with larger or multiple tumours. SNAC2 is needed to determine whether the smaller operation gives cure rates as good as axillary clearance. If it does, then it will become standard practice.
Massively Parallel Sequencing And PCR Optimised For DNA-based Diagnostics And Discovery
Funder
National Health and Medical Research Council
Funding Amount
$201,664.00
Summary
The next generation of medical diagnostics and discovery in disease research will involve the marriage of PCR, a tool used to amplify large amounts of DNA from small starting quantities, and �next generation� sequencing, a way to sequence lots and lots of DNA on a single instrument run. This study aims to describe methods which allow scientists to screen hundreds of disease genes in hundreds of people simultaneously with high accuracy and high efficiency.
The Diagnosis Of Obstructive Sleep Apnea In Primary Care
Funder
National Health and Medical Research Council
Funding Amount
$295,075.00
Summary
The gold standard method for diagnosis of sleep apnea is the overnight sleep study. These tests are expensive, have long waiting lists and are hard to access outside larger cities. We aim to determine if general practitioners can combine information from questionnaires and a simple home diagnostic test, to confirm or rule out sleep apnea. The results of this study will eventually lead to more accessible and efficient diagnosis and treatment of this common condition.