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Role Of The Drug Metabolising Enzyme Arylamine N-acetyltransferase 1 In Breast Cancer
Funder
National Health and Medical Research Council
Funding Amount
$600,196.00
Summary
The current project will identify the molecular mechanism(s) that underpins the significant changes in phenotype seen in a range of human cancer cells. The expected outcomes will be to demonstrate that NAT1 is critical for the clearance of pABG in cancer cells. The results will be important in the context of understanding this family of intracellular enzymes and will change the current thinking on the function of the arylamine N-acetyltransferase in normal and cancer cells.
Interplay Between Metabolic Reprogramming And Oncogenic Signalling In The Cellular Response To Chemotherapy
Funder
National Health and Medical Research Council
Funding Amount
$654,035.00
Summary
Chemotherapy resistance is a major barrier to the treatment of triple-negative breast cancer (TNBC). We seek to uncover an intimate link between cell metabolism and oncogenic signalling pathways in regulating the cellular response to chemotherapy. Our studies will identify a critical mechanism limiting the therapeutic efficacy of chemotherapy and investigate combination therapy strategies that could improve the treatment of TNBC.
A Simple Method To Improve Stem Cell Transplant Therapy
Funder
National Health and Medical Research Council
Funding Amount
$831,652.00
Summary
Despite the success of hematopoietic stem cell transplantation and years of promise, almost all other stem cell therapies are considered experimental and remain in preclinical or early-phase clinical testing. This study aims to improve the efficiency of stem cell transplantation by manipulating cellular metabolism prior to transplantation, if effective these results may offer hope to patients suffering from a broad range of disorders.
The dramatic increase in obesity and age-related metabolic disorders demonstrates the importance of gaining a better understanding of how cells and organisms regulate their energy stores. This project will identify novel molecular mechanisms that control the enzyme CaMKK2, which is a key regulator of whole-body energy metabolism. This will provide new opportunities to inform more effective strategies to tackle metabolic diseases, and improve health in an increasingly ageing population.
Identification And Characterization Of Novel Proteins In Endosomal Cholesterol Transport
Funder
National Health and Medical Research Council
Funding Amount
$540,636.00
Summary
Abnormal subcellular distribution of cholesterol is associated with a number of common diseases including heart disease and Alzheimer’s disease. The overall aim of this proposal is to identify and characterize novel molecules that regulate the transport of intracellular cholesterol. Results from the proposed studies will provide important insights into the molecular mechanisms governing intracellular cholesterol transport and distribution, and will lead to better treatment strategies against hea ....Abnormal subcellular distribution of cholesterol is associated with a number of common diseases including heart disease and Alzheimer’s disease. The overall aim of this proposal is to identify and characterize novel molecules that regulate the transport of intracellular cholesterol. Results from the proposed studies will provide important insights into the molecular mechanisms governing intracellular cholesterol transport and distribution, and will lead to better treatment strategies against heart disease and dementia.Read moreRead less
The Role Of IL-17 In Regulating Liver Macrophage Permissiveness For Leishmania Infection
Funder
National Health and Medical Research Council
Funding Amount
$655,082.00
Summary
Visceral Leishmaniasis is a disease of poverty in the developing world caused by Leishmania parasites, which live and replicate within host tissue macrophages. A cytokine produced by host cells, IL-17A impairs the ability of liver macrophages to control this infection, as mice that lack IL-17A have lower parasite burdens in the liver after experimental infection. We propose to investigate if IL-17A mediates this impaired control by tuning the permissiveness of host macrophages to infection.
Mechanisms By Which Endothelial Selectins Regulate Normal And Malignant Stem Cell Fate
Funder
National Health and Medical Research Council
Funding Amount
$708,742.00
Summary
Hematopoietic stem and progenitor cells (HSPC) reside in the bone marrow (BM) and make all the cells of the blood system. We have found a molecule in the BM which when increased during inflammation, awakens normal HSPC. We previously showed this molecule also helps leukaemia and other cancer stem cells resist chemotherapy. We have now identified the mechanism why. These proposed studies open new therapeutic avenues to sensitise cancer stem cells to therapy enabling long-term cure.
Pharmacological Development Of A Stable Cytochrome P450-mediated Omega-3 Fatty Acid Epoxide Analogue As A Novel Anti-metastatic Agent
Funder
National Health and Medical Research Council
Funding Amount
$599,847.00
Summary
Dietary ?-3 fatty acids decrease the risk of cancer metastasis. We have found that a certain ?-3 fatty acid metabolite inhibits tumour cell migration but is too unstable to be a useful drug. We have now prepared a stable version of this metabolite for in vivo use as a potential anti-metastatic drug. In this project we will define the mechanism of action of this novel agent and evaluate how it may be best used in patient treatments by testing in a range of in vivo animal models of metastasis.
The proposal focuses on a novel angle explaining how pancreatic beta cells normally match their insulin synthesis, storage and secretion in response to an enhanced demand as occurs during obesity, and how this fails in the progression to Type 2 diabetes. In particular we will expand our discovery that glucose rapidly enhances the synthesis of a novel factor regulating gene transcription. This will generate basic knowledge that will potentially help design of novel therapies for Type 2 diabetes.
Control Of Expression And Activity Of The ABCG1 Cholesterol Transporter In Vascular Cells
Funder
National Health and Medical Research Council
Funding Amount
$389,546.00
Summary
Atherosclerosis is the disease that narrows arteries and causes heart attacks, which kill many Australians. In the early stages of atherosclerosis, cholesterol builds up inside the cells in the walls of our blood vessels. In this project, we plan to study a molecule present in these cells that we think is important for exporting unwanted cholesterol. If we can find out how this molecule works, we may be able to design drugs to increase its capacity and hence prevent or reverse the process of ath ....Atherosclerosis is the disease that narrows arteries and causes heart attacks, which kill many Australians. In the early stages of atherosclerosis, cholesterol builds up inside the cells in the walls of our blood vessels. In this project, we plan to study a molecule present in these cells that we think is important for exporting unwanted cholesterol. If we can find out how this molecule works, we may be able to design drugs to increase its capacity and hence prevent or reverse the process of atherosclerosis.Read moreRead less