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Coordination Of Withdrawal From The Cell Cycle By Transcriptional Repression
Funder
National Health and Medical Research Council
Funding Amount
$271,650.00
Summary
Cancer is characterised by changes in several fundamental cellular processes including the failure of the cancer cells to stop growing in response to the body's normal stop signals.. When cells normally stop growing there is profound changes in the activity of many genes. This proposal aims to investigate how these changes in gene activity are brought about. We propose that a recently discovered family of genes called SWI-SNF work with two other families of genes (the Mad-family and Rb-family) t ....Cancer is characterised by changes in several fundamental cellular processes including the failure of the cancer cells to stop growing in response to the body's normal stop signals.. When cells normally stop growing there is profound changes in the activity of many genes. This proposal aims to investigate how these changes in gene activity are brought about. We propose that a recently discovered family of genes called SWI-SNF work with two other families of genes (the Mad-family and Rb-family) to bring about the cessation of cell growth. If our proposal is proven it will open new avenues to evaluate the growth properties of human cancers and may lead to novel strategies to inhibit cell growth.Read moreRead less
The Polycomb Ezh2 Methyltransferase Regulates Satellite Cell Self-renewal
Funder
National Health and Medical Research Council
Funding Amount
$333,769.00
Summary
Skeletal muscle regeneration following injury is a tightly regulated process and any disturbance to this process, such as that which occurs with the muscular dystrophies, can greatly impair a muscle's ability to regenerate. The aim of this project is to better understand the mechanisms that control muscle regeneration, and open up new avenues for potential treatment strategies in conditions where muscle wasting and weakness are indicated.
Deciphering The Function Of Caspase-2 In DNA Damage Response And Tumour Suppression
Funder
National Health and Medical Research Council
Funding Amount
$808,007.00
Summary
Aberrant cell death and DNA damage response (DDR) are hallmarks of tumourigenesis. Recently we have discovered that an enzyme, caspase-2, previously implicated in cell death execution, also works in DDR and acts as a tumour suppressor. We now wish to validate these finding in preclinical models of cancer and understand precisely how caspase-2 safeguards against cancer development. These studies will help better understand tumourigenesis and may lead to the discovery of new drug targets.
Understanding The Molecular Mechanisms Of Cell Death In Radiotherapy
Funder
National Health and Medical Research Council
Funding Amount
$643,856.00
Summary
Radiotherapy (RT) is responsible for 40% of cancer cures. New technology enables RT delivery in fewer treatments using higher radiation dosages through a technique called 'ART'. While ART is effective in the clinic, the underlying mechanisms of cancer cell death are unclear. Here we show that ART induces two distinct waves of cancer cell death. We will characterize these waves of cell death and determine how to enhance tumour cell killing with pharmacological intervention.
Telomere Structural Abnormalities In Cells Using Alternative Lengthening Of Telomeres
Funder
National Health and Medical Research Council
Funding Amount
$522,122.00
Summary
The continuing growth of cancers depends on their cells being able to prevent shortening of chromosome ends (telomeres). Some cancers, including very aggressive brain and connective tissue tumours, achieve this via the Alternative Lengthening of Telomeres (ALT) process. We have evidence that the telomere structure of normal cells prevents ALT. Here we will examine how the telomere structure of ALT-positive cancer cells is changed, and whether reversing these changes inhibits ALT.
Molecular Control Of Cell Proliferation In Early Mouse Development
Funder
National Health and Medical Research Council
Funding Amount
$338,009.00
Summary
Elucidation of cell cycle regulation in the proliferating pluripotent cells of the early mammalian embryo is likely to have important impact on basic scientific knowledge, and on the development of novel therapeutic strategies. Investigation of this problem, in vitro and in vivo, requires specialist skills in cell cycle analysis, and experimental manipulation of mammalian embryos and pluripotent cells. This application will seek to address these fundamental issues of early development and cell p ....Elucidation of cell cycle regulation in the proliferating pluripotent cells of the early mammalian embryo is likely to have important impact on basic scientific knowledge, and on the development of novel therapeutic strategies. Investigation of this problem, in vitro and in vivo, requires specialist skills in cell cycle analysis, and experimental manipulation of mammalian embryos and pluripotent cells. This application will seek to address these fundamental issues of early development and cell proliferation using molecular approaches. The general aims will be: 1. to obtain a detailed description of cell cycles in pluripotent and differentiating cells of the mouse embryo 2. use this information to build a molecular description of cell cycle events during early embryogenesis 3. investigate the relationship between rapid cell proliferation in the embryo and pluripotencyRead moreRead less
Novel Small Molecule FosB/AP-1 Inhibitors For The Prevention Of Proliferative Vascular Disorders
Funder
National Health and Medical Research Council
Funding Amount
$343,597.00
Summary
This project examines the effect of a novel FosB/AP-1 inhibitor (LK001) on neointima formation after injury in animal models of restenosis, atherosclerosis and abdominal aortic aneurysm, and a human ex vivo model of graft stenosis Given the current prevalence of CVD in Australia and the increasing demographic of susceptible individuals in the ageing population, this project has enormous clinical implications.