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Epithelial-Mesenchymal Cell Communication; Towards New Therapeutic Targets For Fibrosis
Funder
National Health and Medical Research Council
Funding Amount
$794,596.00
Summary
Fibrosis causes disability and death with millions of people affected each year. Current treatments are limited and there is a need to better understand the changes that drive fibrosis. In this study we will investigate how cells communicate to initiate and drive fibrosis. Using readily available drugs we will test new ways to alter cell communication to stop the disease and thus, develop a common and effective therapy that will change the future for people living with fibrosis.
The Link Between Vitamin D Deficiency And Chronic Lung Disease Is Due To Increased Airway Smooth Muscle
Funder
National Health and Medical Research Council
Funding Amount
$644,067.00
Summary
Vitamin D deficiency is a global public health problem. It is becoming increasingly evident that vitamin D deficiency increases the severity of chronic lung disease. In this study we propose to examine a mechanism that we think clearly explains this association. These studies are critical to understanding how deficiencies in key nutrients can impact on chronic lung disease and will provide the data necessary to guide public health policy to reduce the burden of disease in the community.
Targeting An Epigenetic Silencing Pathway To Treat Allergic Asthma
Funder
National Health and Medical Research Council
Funding Amount
$318,768.00
Summary
Asthma affects around 11% of the Australian population and costs the health care system around $28 billion. Unfortunately there is still no cure and treatments have not changed for decades. This project aims to discover new drugs to treat asthma by re-wiring the cells of the immune system which cause the disease.
Regional Mechanisms Of Ventilator Induced Lung Injury: Insights From Dynamic Lung Imaging
Funder
National Health and Medical Research Council
Funding Amount
$623,323.00
Summary
Mortality rates due to acute respiratory distress syndrome (ARDS) are high (>30%). While ARDS requires mechanical ventilation as a lifesaving intervention, it is clear that mechanical ventilation itself can contribute to the high mortality rates. We will use a new lung imaging technology (CTXV) to visualize the damage that occurs to the lung as a result of mechanical ventilation in order to design better ventilation strategies and reduce mortality rates in these critically ill patients.
Targeting Remodelling In Chronic Obstructive Pulmonary Disease (COPD), Chronic Asthma And Idiopathic Pulmonary Fibrosis (IPF)
Funder
National Health and Medical Research Council
Funding Amount
$386,634.00
Summary
Lung diseases (emphysema, asthma & pulmonary fibrosis) are major burdens on Australian community and economy. Airway remodelling/wounding is a key feature of all these diseases. Patients experience severe breathlessness seriously impacting quality of life and frequently leading to death. We will assess the potential of new targets (including IL-33), & therapy in suppressing wounding in experimental models. This may lead to a new treatment to reverse or prevent lung diseases.
Restoring Skeletal Muscle In An Experimental Model Of COPD By Targeting The IGF-1-myostatin-macrophage Axis
Funder
National Health and Medical Research Council
Funding Amount
$508,183.00
Summary
Most people think that the serious disabilities of COPD (emphysema) patients follows damage to their lungs but wasted muscles may be even more important. We can not regrow lung but we have found a way that might help regrow muscle. We plan to use stem cells to make one of the body's own cells called 'macrophages' and genetically engineer these cells to help deliver healing proteins directly into the muscle. Making muscle stronger will help COPD patients live longer and improve quality of life.
DEFINING SUBPOPULATIONS OF PATHOGENIC MACROPHAGES UNDERLYING LUNG DISEASES
Funder
National Health and Medical Research Council
Funding Amount
$640,496.00
Summary
Chronic obstructive pulmonary disease (COPD) is a serious lung disease that afflicts over 1 million people in Australia and adenocarcinoma is a common fatal lung cancer; both are typically caused by cigarette smoking, and macrophage-rich inflammation is a hallmark feature. Macrophages can destroy lung tissue and promote cancer development. Herein we will identify and profile macrophage subpopulations that are associated with lung inflammation and cancer to identify therapeutic targets that may y ....Chronic obstructive pulmonary disease (COPD) is a serious lung disease that afflicts over 1 million people in Australia and adenocarcinoma is a common fatal lung cancer; both are typically caused by cigarette smoking, and macrophage-rich inflammation is a hallmark feature. Macrophages can destroy lung tissue and promote cancer development. Herein we will identify and profile macrophage subpopulations that are associated with lung inflammation and cancer to identify therapeutic targets that may yield novel intervention strategies.Read moreRead less
The Role Of Src Family Tyrosine Kinases In Inflammatory Lung Disease And Cancer
Funder
National Health and Medical Research Council
Funding Amount
$535,333.00
Summary
We aim to learn why some people develop COPD, a serious lung disease, and adenocarcinoma, a common fatal lung cancer. COPD is mostly caused by cigarette smoke which induces lung inflammation. Lung inflammation, which involves macrophage activation, is a major cancer risk. Macrophages can destroy lung tissue, and they may promote cancer development. We will study the role of Src kinases, which can regulate macrophage activation, which may lead to new treatments for these diseases.
Is Lyn Tyrosine Kinase A Predictor Of Severe, Persistent Multi-trait Asthma And Allergy?
Funder
National Health and Medical Research Council
Funding Amount
$250,250.00
Summary
Asthma is a major health problem in Australia affecting over 10% of the population at any time, and more than 25% of the population at one stage in their lives. Although the public perception is that asthma treatments have improved management of the disease, more than 700 people die from severe asthma each year and hospitalisation from exacerbation (sudden worsening) is one of the most costly components of the health care burden in Australia and most developed countries. Currently there are no m ....Asthma is a major health problem in Australia affecting over 10% of the population at any time, and more than 25% of the population at one stage in their lives. Although the public perception is that asthma treatments have improved management of the disease, more than 700 people die from severe asthma each year and hospitalisation from exacerbation (sudden worsening) is one of the most costly components of the health care burden in Australia and most developed countries. Currently there are no molecular markers that can predict who will get severe asthma and there are no specific treatments to reverse severe exacerbations. This project will use advanced molecular biology methods to examine whether a molecule called Lyn may be important. The Lyn tyrosine kinase is a member of a family of genes that participate in transmitting information across the cell membrane. This enzyme is expressed in blood cells, and is involved in mechanisms pertaining to infection, immunity and allergic responses. To further our understanding of the role of this enzyme in the context of the whole animal, we have generated mice that are unable to make Lyn protein (Lyn-deficient mice). In animal models of asthma we know that if Lyn is not functioning, severe and persistent asthma develops. We have also made preliminary studies that suggest that Lyn does not work properly in people who have been admitted to the emergency ward with life threatenting asthma. In this study we will examine in detail the role that Lyn plays in asthma and allergy, and we intend to identify the pathways that give rise to asthma in Lyn-deficient mice. We will also investigate our hypothesis that Lyn activity may be reduced or disregulated in patients with asthma and allergy. This research should lead to better predictive markers for severe asthma and also to improved and specific treatments.Read moreRead less