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Developing Novel Agents To Prevent Tumour Recurrence In Glioblastoma
Funder
National Health and Medical Research Council
Funding Amount
$1,089,561.00
Summary
Glioblastoma is a form of brain cancer that is currently incurable. We have discovered that switching-off an enzyme called KDM4 (using 'KDM4 inhibitors') improves chemotherapy outcomes with new drugs also discovered in our laboratory. This project will examine a novel drug combination treatment for glioblastoma patients and generate evidence for initiation of clinical trials. This could initiate a novel therapy that could significantly extend patients' lives.
Prof A Suhrbier is the Group Leader of the Inflammation Biology Group at the Queensland Institute of Medical Research. The group focuses at the applied end of inflammation research and development and will be involved in the identification and development of new interventions and diagnostics for inflammatory diseases and cancer, often in collaboration with the biotech industry.
Understanding The Role Of DNMT1 SUMOylation In Acute Myeloid Leukaemia
Funder
National Health and Medical Research Council
Funding Amount
$639,290.00
Summary
Most cancers have abnormally high levels of DNA methylation, which turns off cell death genes, making cancer cells immortal. We have a new drug, called DNMT1i, that targets this feature of cancer cells and we recently found a new drug target that enhances the activity of DNMT1i. Our research will determine how these two drugs synergise to effectively kill cancer cells and will justify their use in clinical trials, which we believe will improve outcomes for patients with cancer.
Osteosarcoma is the most common tumour of bone. Recent success in targeting immune checkpoint blockers such as Programmed death-1 (PD-1) in genomically complex tumours suggests that osteosarcomas may be amenable to such strategies. We will characterise the role of the PD-1 pathway in osteosarcoma development and growth. Using preclinical mouse models we will investigate the biology of the PD-1 pathway and study its potential as a therapeutic target in advanced and resectable osteosarcoma.
Actin filaments are part of a dynamic network of protein fibres inside each cell and play a role in cell shape, movement and division. Cancer cells hijack specific types of actin filaments to spread throughout the body. Our aim is to find out how protein machines assemble these filaments from actin and different binding proteins that give each filament its specific function. This insight will allow us to improve drugs that inhibit filaments associated with cancer.
Molecular Targeting To Telomerase And Cancer Cell Immortality By A Novel Inhibitor
Funder
National Health and Medical Research Council
Funding Amount
$430,812.00
Summary
Infinite growth of cancer cells is a hallmark of cancer. Telomerase is required for cancer cell immortality. Inhibition of telomerase may thus offer an opportunity to stop cancer cells. We have identified an inhibitor of telomerase. This project will study the mechanisms of action of the novel inhibitor, investigating how to control cancer cell immortality as a baseline for more applied anti-cancer therapeutic studies.
Real-time Imaging Of Cell Cycle Progression In Melanoma
Funder
National Health and Medical Research Council
Funding Amount
$526,911.00
Summary
Melanoma is the most aggressive skin cancer and is highly therapy resistant, reasons of which are poorly understood. Here we hypothesise that differences in the growth capacity of melanoma cells in different tumour regions contribute to therapy resistance. We will use a novel microscopic system that allows us to visualise division of individual melanoma cells in intact tumours in real time. Using this system, we will test the effects of targeted therapies on melanoma cell growth and survival.
Targeted Cancer Chemotherapy: The Potential Of L-Nucleoside Prodrugs
Funder
National Health and Medical Research Council
Funding Amount
$204,750.00
Summary
The aim of this project to develop novel anti-cancer agents. We plan to use an unusual sugar (an L-nucleoside) that is not normally found in the body. This unusual sugar has the property of being taken up by tumour cells but not normal cells. We will use this unusual sugar to transport a toxic compound inside tumour cells so that the tumour cells are killed. In this way, we will preferentially kill tumour cells but leave normal cells unaffected. Hence we will produce an anti-cancer agent that is ....The aim of this project to develop novel anti-cancer agents. We plan to use an unusual sugar (an L-nucleoside) that is not normally found in the body. This unusual sugar has the property of being taken up by tumour cells but not normal cells. We will use this unusual sugar to transport a toxic compound inside tumour cells so that the tumour cells are killed. In this way, we will preferentially kill tumour cells but leave normal cells unaffected. Hence we will produce an anti-cancer agent that is highly effective at killing tumour cells but has few side-effects because it does not enter normal cells. Experimentally we will synthesise compounds where the L-nucleoside is attached to a toxic agent, fluorouridine or cisplatin analogues. We will then assess the ability of these novel compounds to kill tumour cells grown in the laboratory as well as tumours growing in mice. Additionally we will attempt to determine the mechanism of action of these drugs by investigating the following: the transport properties of the drugs; how and where these drugs damage DNA; the effect of the gene, p53, which can act to stop tumour growth. The ultimate aim of this project is to develop a novel class of anti-tumour agent based on L-nucleosides. These L-nucleoside analogues are expected to be more efficient at killing tumour cells but have fewer side effects.Read moreRead less
Novel Precision-based Treatments For Biliary Tract Cancer
Funder
National Health and Medical Research Council
Funding Amount
$644,241.00
Summary
Advanced biliary tract cancer has a median life-expectancy of ~12 months. The relatively low incidence of the disease in Australia requires a collaborative team-based approach to drive progress. To achieve this, we have established a multidisciplinary research team based in Australia, Thailand and Japan. Here, we will now build on our exciting preliminary discoveries to test new patient-specific treatments, and develop methods to efficiently identify patients who may respond to immunotherapy.
Investigating Tumour Maintenance Using Regulated RNA Interference
Funder
National Health and Medical Research Council
Funding Amount
$511,294.00
Summary
Inhibiting gene expression using the recently discovered process known as RNA interference (RNAi) can be used as an experimental tool to analyse specific genes, in cells and genetically engineered animal models of human disease. I propose to validate potential drug targets in cancer by using RNAi to inhibit specific genes in established mouse tumours. A further aim is to use RNAi to mimic human cancer gene mutations in mouse cancer models, to discover novel tumour suppressor genes.