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Manipulating Oncogenic-signalling Pathways In The Genesis And Treatment Of Melanoma
Funder
National Health and Medical Research Council
Funding Amount
$601,484.00
Summary
Melanoma is a major Australian health problem. It is the third most common cancer in men and women and has a disproportionately heavy impact on productive years of life. The use of small molecule inhibitors is the most promising strategy for treating melanoma. In this project, we will examine the mechanisms of resistance to this class of drugs and define new drug targets by examining the molecular-circuitry is damaged in melanomas. This work will greatly accelerate the development of new therapi ....Melanoma is a major Australian health problem. It is the third most common cancer in men and women and has a disproportionately heavy impact on productive years of life. The use of small molecule inhibitors is the most promising strategy for treating melanoma. In this project, we will examine the mechanisms of resistance to this class of drugs and define new drug targets by examining the molecular-circuitry is damaged in melanomas. This work will greatly accelerate the development of new therapies.Read moreRead less
Manipulating The B-RAF/MEK Pathway In The Genesis And Treatment Of Melanoma
Funder
National Health and Medical Research Council
Funding Amount
$562,815.00
Summary
Melanoma is a major Australian health problem. It is the third most common cancer in men and women and has a disproportionately heavy impact on productive years of life. The use of small molecule inhibitors is the most promising strategy for treating melanoma. In this project, we will examine the mechanisms of resistance to this class of drugs and define new drug targets by examining the molecular-circuitry that is damaged in melanomas. This work will greatly accelerate the development of new th ....Melanoma is a major Australian health problem. It is the third most common cancer in men and women and has a disproportionately heavy impact on productive years of life. The use of small molecule inhibitors is the most promising strategy for treating melanoma. In this project, we will examine the mechanisms of resistance to this class of drugs and define new drug targets by examining the molecular-circuitry that is damaged in melanomas. This work will greatly accelerate the development of new therapies.Read moreRead less
The Role Of A New Class Of Chromatin Organising Hub
Funder
National Health and Medical Research Council
Funding Amount
$1,145,450.00
Summary
Within the cell nucleus, specific proteins weave DNA into structured loops that are vital for normal cell function. By studying the molecules involved, we have uncovered a ‘dock’ that controls this DNA architecture. We will define the components and function of this ‘dock’, and the resulting rapid cell death that occurs if it is disrupted. We will explore this cell death pathway thoroughly because we think it may help us to develop new cancer therapies.
The Potential Of Blocking Translation Initiation For Cancer Therapy
Funder
National Health and Medical Research Council
Funding Amount
$347,792.00
Summary
Treatment of many cancers remains unsatisfactory and new drugs for treating them are urgently required. By determining how a new class of anti-cancer drugs kills cancer cells and whether they might also affect normal cells, we can determine how they can be optimally given to patients suffering from cancer.
Characterization Of Novel Inhibitors Of G1-S Phase Progression In Drosophila
Funder
National Health and Medical Research Council
Funding Amount
$456,000.00
Summary
Cancer is a disease that affects 1-3 people and therefore, understanding the mechanisms by which cancer arises is of major importance to medical science. Cancers arise through the accumulation of mutations that alter normal cell proliferation control, differentiation, cell death or cell movement. Many genes involved in cancer have been identified, however, there are likely to be many more genes, that when disrupted or misexpressed can lead to cancer. We are interested in the regulation of cell p ....Cancer is a disease that affects 1-3 people and therefore, understanding the mechanisms by which cancer arises is of major importance to medical science. Cancers arise through the accumulation of mutations that alter normal cell proliferation control, differentiation, cell death or cell movement. Many genes involved in cancer have been identified, however, there are likely to be many more genes, that when disrupted or misexpressed can lead to cancer. We are interested in the regulation of cell proliferation, and have been studying this in the genetically amenable animal model system, the vinegar fly, Drosophila. A key regulator of cell proliferation in all multicellular organisms is Cyclin E, which is required to drive cells from the G1 (resting state) into S phase (where DNA replication occurs). Correct control of Cyclin E is important in limiting cell proliferation and many cancer-causing mutations result in up-regulation of this critical cell cycle regulator. We have used a genetic approach to identify novel negative regulators of Cyclin E. This proposal seeks to further clarify the mechanism by which the identified Cyclin E interactors regulate cell cycle progression. In addition, this proposal seeks to identify the genes encoding other cyclin E interactors, expected to be novel tumor suppressors. The expected outcome of this project is to elucidate novel genes and mechanisms that control cell proliferation in the context of a whole organism. Due to the conservation of cell proliferation and signalling proteins, this proposal is relevant to understanding human cancer.Read moreRead less
The Role Of The Pro-survival Bcl-2 Family Member A1 In The Development And Sustained Growth Of Lymphomas.
Funder
National Health and Medical Research Council
Funding Amount
$628,459.00
Summary
The death of cells, which is regulated by a complex interaction between cell survival and killer proteins, is an important mechanism to prevent cancer. In this proposal we aim to understand the function of one of the cell survival proteins in cancer development and maintenance. This will help to develop novel therapeutic drugs specifically targeting this cell survival protein, thereby eliminating specifically the cancer cells and minimizing collateral damage of healthy tissues.
HFP ACTIVATES PROTEOLYSIS OF POSITIVE CELL CYCLE REGULATORS TO INHIBIT CELL CYCLE PROGRESSION IN DROSOPHILA
Funder
National Health and Medical Research Council
Funding Amount
$438,750.00
Summary
Cell proliferation is essential for animal development and tissue regeneration. In order to proliferate, cells must double their DNA contents and segregate their chromosomes precisely into daughter cells. Collectively this series of events is referred to as the Cell Cycle. The cell cycle must be carefully regulated since inappropriate proliferation can cause developmental abnormalities and tumour formation in multicellular animals. Proliferation is regulated by a balanced set of interactions bet ....Cell proliferation is essential for animal development and tissue regeneration. In order to proliferate, cells must double their DNA contents and segregate their chromosomes precisely into daughter cells. Collectively this series of events is referred to as the Cell Cycle. The cell cycle must be carefully regulated since inappropriate proliferation can cause developmental abnormalities and tumour formation in multicellular animals. Proliferation is regulated by a balanced set of interactions between two group of proteins, cell cycle activators and cell cycle inhibitors. Aberrations in cell cycle inhibitor proteins will cause excessive cell proliferation, the first step in the multi-step process of tumour development. It is important to understand the processes that normally inhibit cell proliferation, since cells undergoing more rapid cell cycles are much more likely to develop further errors in their genetic material and progress to later stage invasive tumours. This proposal focuses on a protein (FIR-Hfp) that we have shown to inhibit cell cycle progression in the vinegar fly (Drosophila Melanogaster), which is an excellent model organism for studying developmentally regulated cell proliferation. Furthermore, most cell cycle regulators are conserved in evolution, so the knowledge derived from these studies can assist with our understanding of how complex pathways might coordinate proliferation mammals. FIR-Hfp negatively regulates cell proliferation by down-regulating cycle activator proteins (dMyc and Stg). At present the mechanism for the inhibitory affect on these activators is not understood, but preliminary data suggests that FIR-Hfp might be involved in causing Stg and the dMyc activator protein (Hay) to be targeted for destruction. The aim of this project is to elucidate the mechanism by which Hfp regulates the activity of these potentially ocogenic factors, and thus gain a better understanding of the preliminary stages of tumour progression.Read moreRead less