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Enhancement Of The Anti-tumour Efficacy Of Ionising Radiation Through Inhibition Of Phosphoinositide 3-kinase
Funder
National Health and Medical Research Council
Funding Amount
$123,503.00
Summary
Radiation treatment alone is given to many cancer patients, however often it does not prevent cancers from recurring. Significant promise is offered by new drugs that target molecules which play a key role in cancer growth, and combining these drugs with radiation treatment may lead to improved patient outcomes. Understanding how these drugs enhance the anti-cancer effects of radiation is critical to selecting the most appropriate patients for treatment with this combination.
I am a molecular-cell biologist studying the genetic regulation of intestinal homeostasis in development and disease with the aim of identifying novel molecular targets for the treatment of disease and that can be validated in relevant preclinical mouse models.
Phosphoinositide 3-kinase Signalling And Skeletal Muscle Mass.
Funder
National Health and Medical Research Council
Funding Amount
$597,598.00
Summary
Maintenance of skeletal muscle mass is essential for human health and locomotion. In ageing and cancer, loss of muscle mass leads to severe weakness and immobilization causing morbidity and mortality. This grant aims to characterise a novel gene that when deleted in mice leads to significant muscle damage. The molecular pathways within the cell that lead to the observed muscle damage will be investigated and this may provide insights into the pathways that control muscle damage and its regenerat ....Maintenance of skeletal muscle mass is essential for human health and locomotion. In ageing and cancer, loss of muscle mass leads to severe weakness and immobilization causing morbidity and mortality. This grant aims to characterise a novel gene that when deleted in mice leads to significant muscle damage. The molecular pathways within the cell that lead to the observed muscle damage will be investigated and this may provide insights into the pathways that control muscle damage and its regenerationRead moreRead less
Targeting TRPV4 Activation Mechanisms To Reveal Novel Pain Therapies
Funder
National Health and Medical Research Council
Funding Amount
$580,938.00
Summary
Pain nerves sense painful chemical and physical stimuli, by opening protein "ion channels" which let small electric currents traverse the cell membrane. This pain signal is transmitted to the spinal cord and then the brain, where it is perceived as pain and elicits a reaction. But we don't know how the ion channels open. This project will investigate how receptors for painful substances open ion channels to cause pain. Understanding this mechanism will help us to make new drugs to treat pain.
Allosteric Modulation Of GPCR-mediated Intracellular Signalling In Human Embryonic Stem Cell Derived Cardiomyocytes.
Funder
National Health and Medical Research Council
Funding Amount
$324,598.00
Summary
Adenosine and muscarinic receptors are cell-surface proteins that represent promising targets for a number of conditions. However, the mechanisms linking the activation of these receptors to cellular responsiveness have not been thoroughly investigated in cells of human origin. This study will use novel cutting-edge methods to measure the effects of different classes of drugs on receptor-mediated intracellular signalling in embryonic stem cell derived human cardiac cells.
Roles Of Chaperone Proteins And Phosphorylation Events In Activity Of The Dioxin Receptor
Funder
National Health and Medical Research Council
Funding Amount
$227,036.00
Summary
Polycyclic aromatic hydrocarbons (PAHs) are prevalent environmental pollutants which cause a wide range of deleterious health effects. Metabolic activation of PAHs occurs primarily through a set of intracellular oxidising enzymes which are induced by the presence of PAHs. The dioxin receptor is a gene regulatory protein that is pivotal in the metabolic pathway as it links the presence of contaminating PAHs to induction of the enzymes responsible for initiating their metabolism. While in many cas ....Polycyclic aromatic hydrocarbons (PAHs) are prevalent environmental pollutants which cause a wide range of deleterious health effects. Metabolic activation of PAHs occurs primarily through a set of intracellular oxidising enzymes which are induced by the presence of PAHs. The dioxin receptor is a gene regulatory protein that is pivotal in the metabolic pathway as it links the presence of contaminating PAHs to induction of the enzymes responsible for initiating their metabolism. While in many cases PAHs are oxidised to compounds which are water soluble and excretable (and therefore harmless), some substrates, such as benzo[a]pyrene found in cigarette smoke, can become inadvertently transformed into carcinogens. Other pollutants such as dioxin are resistant to metabolism and are extremely toxic. We have an ongoing interest in deciphering the biochemical pathways which lead to aberrant metabolism, and as such are studying the mechanistic role of the dioxin receptor in this process.Read moreRead less
Defining The Importance Of The AP-1 Transcription Factor In STAT1-independent Functions Of Interferon Gamma.
Funder
National Health and Medical Research Council
Funding Amount
$307,372.00
Summary
Interferons are soluble proteins released by immune cells that play a vital role in immune cell development, their recruitment to sites of injury-infection and detection and removal of pathogens. Interferons act by binding to the surfaces of other cells and altering their behaviour. This project will determine, at a molecular level, how this binding changes cell behaviour. These studies will help to explain why some people are prone to infectious disease.
Signalling During Red Blood Cell Invasion By Plasmodium Falciparum
Funder
National Health and Medical Research Council
Funding Amount
$357,414.00
Summary
Malaria is one of the world's most devastating infectious diseases and is caused by a parasite called Plasmodium falciparum. AMA1 is a parasite surface protein crucial for blood cell invasion but how it works is not understood. We are investigating if AMA1 plays a role in helping the parasite sense when it has contacted a blood cell and should invade. Discovering how parasites attach to and invade bloods cells is a priority for the development of anti-parasite drugs and vaccines
Genetic And Biochemical Mechanisms Dysregulating CD4 T Cell Tolerance In Organ-specific Autoimmunity
Funder
National Health and Medical Research Council
Funding Amount
$456,000.00
Summary
This project will analyse mechanisms that regulate CD4 T cells and normally prevent the immune system from attacking parts of our own body. Unknown errors in the control of T cells result in autoimmune diseases such as Type 1 diabetes, multiple sclerosis, and thyroid disease, where T cells damage or destroy vital organs. In order to develop rational, specific methods for treating and preventing these diseases, it is necessary to identify and understand the genetic and biochemical mechanisms that ....This project will analyse mechanisms that regulate CD4 T cells and normally prevent the immune system from attacking parts of our own body. Unknown errors in the control of T cells result in autoimmune diseases such as Type 1 diabetes, multiple sclerosis, and thyroid disease, where T cells damage or destroy vital organs. In order to develop rational, specific methods for treating and preventing these diseases, it is necessary to identify and understand the genetic and biochemical mechanisms that normally control T cell cell responses to self components, and how inherited defects lead these mechanisms to break down. The project focuses on defining how CD4 T cell regulation breaks down in two well established examples of inherited susceptibility to autoimmune disease. The direct action of autoimmune susceptibility genes will be determined at the level of the specific T cells responsible for autoimmune attack and in terms of the biochemical pathways within T cells that are dysregulated. By identifying the mechanisms and biochemical pathways that are dysregulated in autoimmune disorders, the results of this project will reveal targets for understanding and diagnosing autoimmune diseases and for developing new drugs or or vaccines to prevent T cells damaging vital organs and cure these diseases.Read moreRead less