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Functional And Structural Relationships Of The Peripheral Airways In Chronic Asthma
Funder
National Health and Medical Research Council
Funding Amount
$318,917.00
Summary
It is now considered that airway wall thickening (airway remodeling), a consequence of persistent airway inflammation in asthmatics, significantly contributes to the symptoms and risk of death from asthma. Despite recent advances in the field, there are still many clinically relevant questions that have not been addressed. Some important issues still to be elucidated are: What is the precise sequence of tissue changes in remodeling? Which components of remodeling are reversible in the absence of ....It is now considered that airway wall thickening (airway remodeling), a consequence of persistent airway inflammation in asthmatics, significantly contributes to the symptoms and risk of death from asthma. Despite recent advances in the field, there are still many clinically relevant questions that have not been addressed. Some important issues still to be elucidated are: What is the precise sequence of tissue changes in remodeling? Which components of remodeling are reversible in the absence of allergen provocation? At what point does airway remodeling become irreversible? Does early intervention with anti-inflammatory medication have long term benefits in terms of reducing long-term remodeling? As there have been few appropriate models for addressing these types of remodeling issues, we propose to utilise a large animal model for chronic asthma to address these questions. One of the main focuses of this proposal is to identify biomarkers or functional indices of the different stages of remodelling. The sheep model is well placed to achieve these objectives given that the structure, physiology and asthma pathophysiology of sheep airways is similar to human airways. The novel experimental design is to expose four spatially separate lung regions (segments) in individual sheep with different durations of repeated weekly doses of HDM. The strength of the proposal is that lung function and structure of challenged segments from successive stages of remodeling can be assessed in one sheep. A separate experiment will examine how lung structure and function return to normal in chronically HDM-treated lung segments over successive months after exposure to HDM ceases. It is expected that information gained from this research will lead to a greater fundamental understanding of disease mechanisms in chronic asthma. This will increase the chances of improving current treatments, and allows for new strategies to be devised for treating asthma more effectively.Read moreRead less
Array-based Comparative Genomic Hybridisation In Lung Cancer
Funder
National Health and Medical Research Council
Funding Amount
$314,773.00
Summary
Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. In many cases, even with the best treatment available, the lung cancer spreads from where it starts, to other parts of the lung, chest and throughout the body. This eventually leads to death. We are interested in the factors that influence when and how lung cancer spreads. W ....Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. In many cases, even with the best treatment available, the lung cancer spreads from where it starts, to other parts of the lung, chest and throughout the body. This eventually leads to death. We are interested in the factors that influence when and how lung cancer spreads. With exposure to cancer-causing agents such as cigarette smoke, parts of the lung may suffer permanent damage that increases the risk of lung cancer. Many of these changes include the genes in air passages and lung tissue. In this study, we will use the latest technology in genetics called gene chips to study changes in genes that affect the spread of lung cancer. These gene chips can study a vast number of genes at once. In particular, we will whether there is an abnormal number of copies of genes in the lung cancer. We hope that this research study will provide new information about the diagnosis and treatment of lung cancer.Read moreRead less
Genomic Profiling To Predict Lung Cancer Metastases
Funder
National Health and Medical Research Council
Funding Amount
$323,500.00
Summary
Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. In many cases, even with the best treatment available, the lung cancer spreads from where it starts, to other parts of the lung, chest and throughout the body. This eventually leads to death. We are interested in the factors that influence when and how lung cancer spreads. W ....Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. In many cases, even with the best treatment available, the lung cancer spreads from where it starts, to other parts of the lung, chest and throughout the body. This eventually leads to death. We are interested in the factors that influence when and how lung cancer spreads. With exposure to cancer-causing agents such as cigarette smoke, parts of the lung may suffer permanent damage that increases the risk of lung cancer. Many of these changes include the genes in air passages and lung tissue. In this study, we will use the latest technology in genetics called gene chips to study changes in genes that affect the spread of lung cancer. These gene chips can study a vast number of genes at once. We hope that this research study will provide new information about the diagnosis and treatment of lung cancer.Read moreRead less
Identification, Validation And Functional Analysis Of Genes And MiRNAs Involved In Recurrent Non-small Cell Lung Cancer.
Funder
National Health and Medical Research Council
Funding Amount
$104,664.00
Summary
Recurrence of lung cancer after treatment affects 20-85% of patients. Current prognostication tools are inaccurate and thus patients receive generic treatments. Our intention is to identify genes involved in recurrence of lung cancer. We foresee that this will translate to earlier identification of at-risk patients enabling individualised less toxic and more successful treatments. We also hope to better understand biology of lung cancer recurrence and discover new targets for treatment.
Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. With exposure to cancer-causing agents such as cigarette smoke, parts of the lung may suffer permanent damage that increases the risk of lung cancer. Many of these changes include the genes in air passages and lung tissue. A certain change (called methylation) affects some g ....Lung cancer is the most frequent cause of cancer deaths in many Western countries, including ours. Lung cancer is the third leading cause of death of Australians and the fifth leading cause of burden of disease in Australia. With exposure to cancer-causing agents such as cigarette smoke, parts of the lung may suffer permanent damage that increases the risk of lung cancer. Many of these changes include the genes in air passages and lung tissue. A certain change (called methylation) affects some genes in the lungs, but it is not yet known how common this change is or how it affects smokers and people who have developed lung cancer. We will collect blood and sputum specimens from lung cancer patients to test to see if methylation is present, and also specimens from when patients have a routine bronchoscopy as part of their initial tests. If they have an operation for lung cancer, then the part of the lung that is removed and not needed for diagnosis will also be tested for methylation. In this study, we will study whether methylation is an accurate test for lung cancer, whether it is present in parts of the lung near from the lung cancer, and whether it predicts better or worse results after treatment. We hope that this research study will provide new information about the diagnosis and treatment of lung cancer.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.
The Scientific Basis For The Integration Of Surgery And Immunotherapy For Lung Malignancies
Funder
National Health and Medical Research Council
Funding Amount
$516,394.00
Summary
The work in this grant focuses on the effects of cancer surgery (tumor resection and removal of lymph nodes) on the anti-cancer immune response. It also examines whether delivery of agents into the residual tumour bed following surgery can effectively boost the effects of surgery on the immune system. The results obtained will help guide the rational design of future combination surgery-immunotherapy treatment regimens.
We have discovered that part of a collagen molecule - lamstatin- inhibits growth of lymphatic cells and their communicating networks. Excessive lymphatic growth occurs in lymphangioleiomyomatosis (LAM)- a fatal disease which affects young women- and many cancers. We have shown that lamstatin prevents growth of lymph vessels in a skin tumour in mice and we will investigate if it can prevent spread of tumours to other organs which has exciting implications for the treatment of cancer.
Integrating Conventional Mesothelioma Therapies With Immuno- And Gene-therapies
Funder
National Health and Medical Research Council
Funding Amount
$804,916.00
Summary
Asbestos-induces cancers are some of the most aggressive cancers know to medicine. Unfortunately, treatments are not very effective and it is unusual for these cancers to be cured, particularly mesothelioma. Because recent scientific studies have suggested that combinations of therapy which include immunotherapy, ie treatments aimed at stimulating the bodies anti-cancer immune responses to attack the cancer, can be effective, we plan to develop this work in order to determine exactly which combi ....Asbestos-induces cancers are some of the most aggressive cancers know to medicine. Unfortunately, treatments are not very effective and it is unusual for these cancers to be cured, particularly mesothelioma. Because recent scientific studies have suggested that combinations of therapy which include immunotherapy, ie treatments aimed at stimulating the bodies anti-cancer immune responses to attack the cancer, can be effective, we plan to develop this work in order to determine exactly which combinations are likely to be the most effective and therefore the most suitable for clinical trial in patients.Read moreRead less
Use Of Molecular Tumour Markers To Improve Diagnostic Performance Of Bronchoscopy In Assessment Of Pulmonary Nodules And Early Diagnosis Of Lung Cancer
Funder
National Health and Medical Research Council
Funding Amount
$303,014.00
Summary
Pulmonary nodules may represent early lung cancer though difficulty in accurate diagnosis means many patients experience delayed diagnosis, or unnecessary surgical biopsy or repeat CT imaging (& consequent radiation exposure). I will identify molecular (DNA, protein) markers in bronchoscopic & blood specimens to accurately characterize malignant & benign nodules. These biomarkers will also be investigated for their value as a non-invasive screening test for lung cancer