Analysis Of Perinatal Influences On Aboriginal Child Health And Potential Markers Of Chronic Adult Disease
Funder
National Health and Medical Research Council
Funding Amount
$151,130.00
Summary
Aboriginal babies in the Northern Territory have a low birth rate about twice that for non-Aboriginal Australians. Most of these babies are small because of poor intrauterine growth. At the same time Aboriginal children have high rates of infectious diseases and malnutrition and adults have high rates of obesity, cardiovascular diseases, diabetes, renal and chronic lung diseases with a life expectancy 20 years lower than non-Aboriginal Australians. An Aboriginal birth cohort of 686 with detailed ....Aboriginal babies in the Northern Territory have a low birth rate about twice that for non-Aboriginal Australians. Most of these babies are small because of poor intrauterine growth. At the same time Aboriginal children have high rates of infectious diseases and malnutrition and adults have high rates of obesity, cardiovascular diseases, diabetes, renal and chronic lung diseases with a life expectancy 20 years lower than non-Aboriginal Australians. An Aboriginal birth cohort of 686 with detailed information on maternal medical and obstetric health and birth size and gestation as well as childhood growth has been reexamined in detail at 10 -12 years of age. Information about current nutrition, health and social environment has been collected. Analysis linking all this information will contribute to an understanding of the factors which predict illness in childhood and influence the development of chronic respiratory, renal, metabolic and cardiovascular diseases in Aboriginal adults. The findings will have important implications for the prevention and early intervention of the excess childhood and adult illnesses in the Aboriginal community.Read moreRead less
Better Care Of Heart And Lung Disease For Aboriginal And Torres Strait Islander People In Rural And Remote Australia
Funder
National Health and Medical Research Council
Funding Amount
$380,583.00
Summary
Lung and heart disease are major contributors to the Aboriginal Australian and Torres Strait Islander health gap. This is even more so in remote and regional Australia. This Fellowship will generate new knowledge regarding how best to prevent, diagnose and treat heart and lung disease in this setting. Based in Alice Springs, it will bring together researchers and health care providers across northern and Central Australia and link them with our leading national research institutes.
Risk Factors For Chronic Respiratory Diseases In Middle Age: 36-year Follow-up Of The Tasmanian Asthma Study
Funder
National Health and Medical Research Council
Funding Amount
$358,750.00
Summary
This project will improve our understanding of the causes of chronic respiratory diseases (CRDs) in adults. CRDs are clearly a major public health problem, but there are no good data on the natural history and risk factors for these diseases. Regular follow-up through childhood to adulthood is the best method to examine these factors, but such data is lacking due to difficulties in conducting long-term studies. The Tasmanian Asthma Study (TAS), based on 8,585 Tasmanians (i.e. probands) born in 1 ....This project will improve our understanding of the causes of chronic respiratory diseases (CRDs) in adults. CRDs are clearly a major public health problem, but there are no good data on the natural history and risk factors for these diseases. Regular follow-up through childhood to adulthood is the best method to examine these factors, but such data is lacking due to difficulties in conducting long-term studies. The Tasmanian Asthma Study (TAS), based on 8,585 Tasmanians (i.e. probands) born in 1961, is one of the worlds most important resources of such information. The probands, their parents (16,267) and siblings (21,044) were first investigated for respiratory problems in 1968. Subsequently, three follow-up surveys were carried out at ages 13 (1974), 20 (1981) and 31 (1992) on either the total or sub-samples of the probands. In 1992, the children and spouses of the probands were also surveyed. Information on all respiratory problems was collected in all the follow-ups, although the main focus of the TAS to date has been asthma. The probands are now reaching the age at which all CRD as a group are beginning to inflict an increasing disease burden, which will become greater in the next two decades. Hence, TAS now provides an ideal opportunity to examine the potential risk factors and natural history of and of CRDs using data collected to date and new data collected at age 43. Also, it will provide a platform for future studies to investigate the progression of CRDs in this cohort. Hence, we propose to carry out the 36 year follow-up of this cohort focusing on CRDs. This will provide important information for preventing chronic respiratory morbidity and disability in the future, which will be original and significant not only in Australia but also internationally.Read moreRead less
Understanding What Works: Examining Innovative Internet-delivered Self-help Treatments For Chronic Pain
Funder
National Health and Medical Research Council
Funding Amount
$311,860.00
Summary
Chronic pain is a common chronic medical condition and results in substantial personal and economic burden for individuals, their families and society. Unfortunately, access to effective care is limited, but internet-delivered cognitive behaviour therapy (iCBT) may improve access to treatment. The proposed research seeks to examine what makes iCBT efficacious for chronic pain and how outcomes may be facilitated using technology-assisted behaviour change strategies.
Improving Functional Capacity In Patients With Chronic Lung Disease With High Intensity Respiratory Muscle Training
Funder
National Health and Medical Research Council
Funding Amount
$340,880.00
Summary
Patients with chronic respiratory disease have limited exercise capacity, which severely impairs their quality of life. The mechanisms responsible for this impairment may relate to their lung disease, or to the long-term effects that inactivity has on the cardiovascular and musculoskeletal systems. Pulmonary rehabilitation programs involving whole-body exercise are now widely used as an addition to standard medical therapy as a way of decreasing symptoms and optimising function. While these gene ....Patients with chronic respiratory disease have limited exercise capacity, which severely impairs their quality of life. The mechanisms responsible for this impairment may relate to their lung disease, or to the long-term effects that inactivity has on the cardiovascular and musculoskeletal systems. Pulmonary rehabilitation programs involving whole-body exercise are now widely used as an addition to standard medical therapy as a way of decreasing symptoms and optimising function. While these generalised, broad-based programs result in modest improvements in peripheral muscle function, cardiovascular function, functional exercise capacity and quality of life, it is now apparent they have little or no effect on respiratory muscle function, which is also greatly impaired in COPD. The aims of this study are to answer two longstanding questions that are fundamental to rehabilitation programs in patients with COPD (i) does a program of specific respiratory muscle training alone improve whole-body exercise capacity, dyspnoea, and-or quality of life? and (ii) does the addition of a program of specific respiratory muscle training to a standard whole-body exercise rehabilitation program result in improvemed exercise capacity, dyspnoea and-or quality of life to a greater degree than a program of whole-body exercise training alone? The study is of importance to patients with COPD by investigating the mechanisms underlying the improvement in exercise capacity following a rehabilitation program and the role of respiratory muscle training in such a program. By more accurately defining the mechanisms of exercise limitation we may be able to maximise the benefits obtained during a rehabilitation program, including improved work capacity, reduction in the degree of breathlessness and improved quality of life.Read moreRead less
A Genome-wide Search For Genes Underlying The Developmental Origins Of Health And Disease
Funder
National Health and Medical Research Council
Funding Amount
$1,022,552.00
Summary
Epidemic rises in the incidence of many chronic diseases such as obesity, type 2 diabetes, hypertension, coronary artery disease and mental illness have occurred in Australia over the last two decades. Antenatal, early life and childhood factors have been consistently associated with the development of such diseases. We propose to conduct a genome-wide scan in an exceptional longitudinal birth cohort in order to identify the genetic mechanisms linking early life event and adult disease.
The RgpA-Kgp Proteinase-adhesin Complex And Virulence Of Porphyromonas Gingivalis
Funder
National Health and Medical Research Council
Funding Amount
$527,310.00
Summary
Periodontitis is a bacterial-associated inflammatory disease of the supporting tissues of the teeth which can result in tooth loss. The disease is a major public health problem with a large economic burden. A bacterium Porphyromonas gingivalis has now been identified as a major causative agent of chronic periodontitis. We have identified a major virulence factor of P. gingivalis. This virulence factor is a complex of proteins, encoded by two genes, and is involved in binding and destruction of h ....Periodontitis is a bacterial-associated inflammatory disease of the supporting tissues of the teeth which can result in tooth loss. The disease is a major public health problem with a large economic burden. A bacterium Porphyromonas gingivalis has now been identified as a major causative agent of chronic periodontitis. We have identified a major virulence factor of P. gingivalis. This virulence factor is a complex of proteins, encoded by two genes, and is involved in binding and destruction of host tissue. When used as a vaccine in animal models the protein complex protects against P. gingivalis infection. Animal protective sera recognises a segment of the protein complex involved in binding to host substrates. The aim of this project is to continue this work on the characterisation of this complex and its role in virulence in an approach to ultimately develop a defined vaccine against P. gingivalis based on this protein complex, in particular the sequences involved in binding. The expected outcome of this research is the further biochemical characterisation of the RgpA-Kgp protein complex and its role in virulence as well as development of a defined vaccine prepared using recombinant DNA and chemical synthesis techniques that protects against P. gingivalis infection in animal models of disease.Read moreRead less
Improving Capacity Of Aboriginal And Torres Strait Islander Communities To Influence Food Systems For Food Security
Funder
National Health and Medical Research Council
Funding Amount
$1,620,683.00
Summary
The proposed project represents a structured collaborative, continuous improvement and capacity-building approach to improving food security in remote Indigenous communities. It aims to trial a monitoring and evaluation learning approach to assist community based organisations and services to improve the food system and services they deliver to provide an affordable and healthy food supply.
Iron/hemin Transport Systems Of Porphyromonas Gingivalis
Funder
National Health and Medical Research Council
Funding Amount
$392,036.00
Summary
Periodontitis is a bacterial-associated disease of the supporting structures of the teeth and can result in tooth loss. The disease is classified as a major public health problem with an enormous economic burden. A bacterium, Porphyromonas gingivalis, has now been implicated as a major causative agent of periodontitis in adults. To survive and grow within humans pathogenic bacteria must be able to acquire essential elements, including iron. The human host has developed a variety of mechanisms to ....Periodontitis is a bacterial-associated disease of the supporting structures of the teeth and can result in tooth loss. The disease is classified as a major public health problem with an enormous economic burden. A bacterium, Porphyromonas gingivalis, has now been implicated as a major causative agent of periodontitis in adults. To survive and grow within humans pathogenic bacteria must be able to acquire essential elements, including iron. The human host has developed a variety of mechanisms to restrict the amount of iron available as a means of limiting the growth of bacterial pathogens. In response to this iron limitation Porphyromonas gingivalis has developed novel ways of obtaining this essential element. We have identified a novel iron transport system that P. gingivalis uses to obtain iron from the human host. A component of this transport system, FetB is a surface protein antigen. The aims of this project are to: i. Determine the mechanism by which this novel iron transport system functions by genetic manipulation of the organism using molecular biology techniques. ii. Determine how important this transport system is for the pathogenicity of the bacterium. iii. Prepare the FetB protein using recombinant DNA technology. iv. Test the recombinant FetB protein and another iron transport protein (Tlr) in animal models to determine their efficacy as a vaccine for periodontitis. The expected outcomes of this research are:- i. the understanding of how P. gingivalis transports iron. ii. an understanding of the importance of iron transport systems to the pathogenicity of the bacterium. iii. a P. gingivalis vaccine with efficacy in animals based on an iron transport protein(s).Read moreRead less