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Development Of Improved Vaccine Strategies For Measles Using Plant-derived Edible Vaccines
Funder
National Health and Medical Research Council
Funding Amount
$331,980.00
Summary
Measles is a highly contagious viral disease that is contracted via the respiratory tract. Severe infection may lead to complications such as otitis media, pneumonia, encephalitis. Despite our current vaccination strategy outbreaks still occur in Australia and measles is a major problem in developing countries. In developing nations the case fatality rate of measles is several hundred times that of developed nations. Over 800,000 children still die each year due to measles. Problems with the cur ....Measles is a highly contagious viral disease that is contracted via the respiratory tract. Severe infection may lead to complications such as otitis media, pneumonia, encephalitis. Despite our current vaccination strategy outbreaks still occur in Australia and measles is a major problem in developing countries. In developing nations the case fatality rate of measles is several hundred times that of developed nations. Over 800,000 children still die each year due to measles. Problems with the current vaccination strategy are: a) doesn't work in children less than 1 year of age, b) must be kept cold c) must be given by injection. We believe that a plant derived edible vaccine for measles will address the limitations of currently available vaccine i.e. we can give it children under the age of 1 year, it can be eaten and doesn't have to be kept cold.Read moreRead less
Analysis Of Functional Role Of The BDNF Precursor In Sensory Neurons
Funder
National Health and Medical Research Council
Funding Amount
$457,267.00
Summary
Neurotrophins, which are generated from their precursors, are essential for the survival and function of the nervous system. One of neurotrophins, brain derived neurotrophic factor (BDNF), is made in sensory neurons and transported towards nerve terminals. Mutation of a single amino acid in the precursor of BDNF disrupts this transport. This project will examine whether the precursor of BDNF has any function within sensory nerves. We will examine whether the precursor of BDNF gets into the nerve ....Neurotrophins, which are generated from their precursors, are essential for the survival and function of the nervous system. One of neurotrophins, brain derived neurotrophic factor (BDNF), is made in sensory neurons and transported towards nerve terminals. Mutation of a single amino acid in the precursor of BDNF disrupts this transport. This project will examine whether the precursor of BDNF has any function within sensory nerves. We will examine whether the precursor of BDNF gets into the nerve via its receptors and whether it plays any role in the development of pain and maintenance of neuropathic pain after nerve injury. Successful execution of the project will eludicate mechanisms of pain, especially neuropathic pain, and will provide important information to assist in the design of drugs for neurological diseases.Read moreRead less
Roles Of Brain-derived Neurotrophic Factor In The Regulation Of Blood Pressure
Funder
National Health and Medical Research Council
Funding Amount
$299,625.00
Summary
Brain-derived neurotrophic factor (BDNF) is an extraordinary neurotrophin which acts not only as a classical neurotrophic factor to promote neuronal survival and differentiation but also as a neuromodulator to modulate nerve activity. Recently, we found that injection of exogenous BDNF into brain stem triggers a significant increase in blood pressure. The present proposal is to test the hypothesis that BDNF is a physiological neuromodulator regulating blood pressure. The aim of this study is to ....Brain-derived neurotrophic factor (BDNF) is an extraordinary neurotrophin which acts not only as a classical neurotrophic factor to promote neuronal survival and differentiation but also as a neuromodulator to modulate nerve activity. Recently, we found that injection of exogenous BDNF into brain stem triggers a significant increase in blood pressure. The present proposal is to test the hypothesis that BDNF is a physiological neuromodulator regulating blood pressure. The aim of this study is to analyse physiological roles of BDNF in the brains stem and spinal cord in the regulation of nerve activity and blood pressure. The successful execution of the project will significantly enhance our understanding of how blood pressure is controlled by BDNF and nerve activity. The knowledge from this study will form basis for designing new drugs to control high blood pressure.Read moreRead less
Studying The Two Hit Hypothesis Of Psychiatric Illness: Role Of Brain-derived Neurotrophic Factor (BDNF)
Funder
National Health and Medical Research Council
Funding Amount
$469,553.00
Summary
Early environmental factors may play an important role in the development of psychiatric illnesses, such as schizophrenia and depression. We will study an animal model which combines early developmental stress followed by treatment with a stress hormone or chronic cannabis use in adolescence. We will assess behavioural changes and the role of a growth factor in the brain, BDNF. This wil lead to a better understanding of the role of neurodevelopmental stress in psychiatric disease.
Roles Of Brain-derived Neurotrophic Factor In Plasticity Of Injured Sensory Neurons
Funder
National Health and Medical Research Council
Funding Amount
$461,443.00
Summary
The fundamental problem of how nerve cells respond to a nerve injury has long been studied by neuroscientists and clinicians. After a nerve injury outside the brain or spinal cord, ie, in the periphery, some sensory nerve cells die, some regenerate to reconnect to their targets, and some sprout to make abnormal connections. Recent evidence from our lab and others indicates that the nerve sprouting is linked to chronic pain experienced by nerve-injury patients. However, how these changes occur st ....The fundamental problem of how nerve cells respond to a nerve injury has long been studied by neuroscientists and clinicians. After a nerve injury outside the brain or spinal cord, ie, in the periphery, some sensory nerve cells die, some regenerate to reconnect to their targets, and some sprout to make abnormal connections. Recent evidence from our lab and others indicates that the nerve sprouting is linked to chronic pain experienced by nerve-injury patients. However, how these changes occur still remains largely unknown. Our recent studies showed that growth factors, particularly brain-derived neurotrophic factor (BDNF) which is made by the sensory nerve cells, may play important roles in mediating these changes. This proposed project, directly evolved from our recent exciting findings, aims to further examine roles and action mechanisms of BDNF and its relatives in regulating the responses of sensory nerve cells to a nerve injury. We propose that after an injury, BDNF promotes survival of some nerve cells, enhances sensory nerve regeneration in both periphery and spinal cord, and also mediates abnormal nerve sprouting and is involved in neuropathic pain. With strong expertise and powerful tools in hand, we have designed a series of experiments to investigate the roles and action mechanisms of BDNF and its related molecules in these processes. Results from this project will help us understand mechanisms underlying the responses of nerve cells to a nerve injury, and should provide much needed information which would help in designing new methods for enhancing nerve cell survival and nerve regeneration as well as for inhibiting nerve injury-induced chronic pain in nerve-injury patients.Read moreRead less
Understanding Local And Regional Determinants Of EDHF And NO Dysfunction In Resistance Arteries In Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$771,295.00
Summary
Diabetes is a serious and increasing health burden worldwide. Most of the sickness and death associated is due to complications arising in the blood vessels. The inner lining of blood vessels in small arteries uses several different mechanisms to ensure proper blood flow, and in diabetes these are impaired. This study will reveal the cellular mechanisms involved and identify pathways for therapeutic intervention to alleviate the debilitating effects of small artery disease.
The Role Of Platelet Derived Growth Factor Receptor Alpha (Pdgfra) In Coronary Vascular Progenitor Cells
Funder
National Health and Medical Research Council
Funding Amount
$666,840.00
Summary
The coronary vessels supply blood to heart muscle. Blockage of coronary vessels causes heart attacks which are the leading cause of death in the Western world. A recent focus for heart attack researchers is to re-establish the blood supply to the injured area by creating new blood vessels. We have found a new gene involved in creating coronary blood vessels. We will characterize how this gene is involved in this process. Knowledge about this gene may foster new treatments for heart attack.
Glutathione Transferase-derived Compounds As Therapeutic Agents
Funder
National Health and Medical Research Council
Funding Amount
$418,516.00
Summary
Inhibition of cardiac calcium ion channels may be an effective new way of improving heart performance in patients with heart failure. This project will investigate how a glutathione transferase enzyme inhibits calcium ion channels in the heart and if small fragments of a muscle specific glutathione transferase can be used to specifically modify cardiac ryanodine receptor function. These fragments will provide the basis for the development of a new therapeutic approach.
Predictors Of Cardiovascular Disease Mortality In The Melbourne Collaborative Cohort Study
Funder
National Health and Medical Research Council
Funding Amount
$350,544.00
Summary
The Melbourne Collaborative Cohort Study was set up in the early 1990s to investigate prospectively the role of diet and other lifestyle factors in causing common chronic diseases including common cancers and cardiovascular disease. Between 1990 and 1994, 41,500 people, aged 40-69 were recruited into the MCCS. About 30% of the cohort are southern European migrants to Australia who were deliberately over-sampled to extend the range of dietary and lifestyle exposures. Migrants from southern Europe ....The Melbourne Collaborative Cohort Study was set up in the early 1990s to investigate prospectively the role of diet and other lifestyle factors in causing common chronic diseases including common cancers and cardiovascular disease. Between 1990 and 1994, 41,500 people, aged 40-69 were recruited into the MCCS. About 30% of the cohort are southern European migrants to Australia who were deliberately over-sampled to extend the range of dietary and lifestyle exposures. Migrants from southern Europe have an adverse risk factor profile in relation to obesity, body fat distribution, physical activity patterns, diabetes, smoking, blood pressure and cholesterol levels, yet their death rates from heart disease are 30-40% lower than the Australian average. A major objective of this study is to investigate the possibility that particular aspects of the diet and cuisine of migrants from southern Europe (olive oil as the major dietary fat, and high intakes of a variety of vegetables and fruit) protect against heart disease and stroke by providing high levels of a wide range of natural antioxidants. It represents the most comprehensive prospective study of diet and cardiovascular disease mortality ever conducted in Australia. A particularly powerful feature is the combination of detailed self-reported dietary intake, the very wide range of exposures to dietary factors implicated in CVD (as risk factors or protective agents), and the objective markers of dietary intake (biochemical markers of dietary intake patterns in blood collected at recruitment, body weight, body fat and body fat distribution). The data should provide a strong rationale for specific dietary recommendations as part of population-based strategies to reduce the incidence of premature mortality from heart disease and stroke in the Australian population.Read moreRead less