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Role Of LncRNA IDH1-AS1 In Regulating C-Myc Driven-glycolysis And Tumorigenesis
Funder
National Health and Medical Research Council
Funding Amount
$685,043.00
Summary
It is thought that understanding cancer metabolism will reveal vulnerabilities that can be exploited in the clinic. Indeed, compared to most normal cells, cancer cells utilise different fuels to sustain proliferation and to adapt to their environment. Herein we have discovered a molecular switch that regulates the key metabolic enzyme IDH1 and show this controls tumour growth. Given this switch may be active in 50% of cancers we anticipate our work will have significance to many cancer types.
Mechanisms Of Hedgehog Signaling In Small Cell Lung Cancer
Funder
National Health and Medical Research Council
Funding Amount
$439,564.00
Summary
Some types of lung are very sensitive to chemotherapy, however they frequently relapse, at which time they become resistant to this form of treatment. This project investigates how embryonic signaling pathways, that normally function to regulate organ formation in development, are activated and promote tumor regrowth following chemotherapy for lung cancer.
Molecular Characterisation Of Telomere Trimming And Its Role In Cell Proliferative Capacity
Funder
National Health and Medical Research Council
Funding Amount
$403,439.00
Summary
Telomeres are protective structures at the ends of chromosomes. Telomere length is a major determinant of how many times a cell can proliferate. We have recently discovered a rapid telomere shortening process that we have called telomere trimming. We will analyse the molecular details of this process to determine whether it could be used to shorten telomeres and stop cancer cell proliferation, and whether blocking it could increase cell proliferation in patients with short telomere syndromes.
Interaction Of TRF2 With DNA Repair Proteins In Alternative Lengthening Of Telomeres
Funder
National Health and Medical Research Council
Funding Amount
$297,246.00
Summary
10-15% of human cancers, including some of the most difficult-to-treat and aggressive, depend for their continuing growth on a molecular process called Alternative Lengthening of Telomeres (ALT). We have identified for the first time a protein whose normal role includes repressing ALT. We will study how this protein works, what its molecular partners are, and how these molecules interact with each other. This information is expected to lay the foundations for cancer treatments that target ALT.
Investigating Signalling Pathways That Mediate Suppression Of Anoikis By Chemokine Receptors In Metastatic Breast Cancer Cells
Funder
National Health and Medical Research Council
Funding Amount
$597,349.00
Summary
This research aims at understanding the "nuts and bolts" of the main killer in cancer patients - tumour metastasis. We will look for molecules that are specific to metastatic tumour cells that transmit signals from the cell surface to the cell "suicide" machinery and prevent metastatic cancer cell death.
Determinants Of Response To Immune Checkpoint Inhibitors In Melanoma
Funder
National Health and Medical Research Council
Funding Amount
$1,021,487.00
Summary
Until recently, patients with melanoma were treated with single agent drugs that produced no improvement in overall survival. Today, almost 80% of patients will respond to new therapies and the 2-year survival is greater than 50%. Attention has turned to the combination of immunotherapies in order to improve patient responses. This research investigates the mechanisms of response and resistance to these therapies, in order to enhance the duration and rate of patient responses.
The Microenvironmental Niche In Cancer Progression
Funder
National Health and Medical Research Council
Funding Amount
$562,742.00
Summary
It is well accepted that the cells in the local environment of cancers can help to promote the growth and spread of tumour cells. We have shown that a cell type known as the pericyte previously thought to be involved in controlling tumour expansion by affecting new blood vessel formation, may directly influence tumour growth, a notion that will be tested in human skin and ovarian cancer models. We will also test if pericyte markers can predict those cancer patients at greater risk of relapse.
Identifying Cell Type Specific Biomarkers Of Recurrent Oral Squamous Cell Carcinoma And Mapping Cancer-stroma Interactions Using Single Cell Biology And Cell-to-cell Communication Networks
Funder
National Health and Medical Research Council
Funding Amount
$892,858.00
Summary
Cancer is a major cause of death in Australia. Despite advances in our understanding of the mutations that occur and the sets of genes expressed in cancer we have a major gap in our understanding of what is happening within tumours. Using new single cell technology we will generate new molecular portraits of cancers that give us understanding of the sets of genes expressed on individual cancer cells, the normal cells within a tumour and how they interact with cancer cells to form a tumour.
Using MiR-200 To Find New Therapeutic Targets For Neuroblastoma
Funder
National Health and Medical Research Council
Funding Amount
$563,152.00
Summary
Neuroblastoma is one of the most common cancers in children. We have found that a genetic regulator, called microRNA, can limit the ability of neuroblastoma cells to invade surrounding tissues and metastasise. We aim use the microRNAs to find new therapeutic targets that may work in combination with existing treatments, reducing the short term toxicity and long term deleterious effects of current treatments.
An exciting area of drug discovery involves targeting Hippo pathway proteins, particularly one called YAP, which were discovered by members of our research team and which are highly active in some cancer cells, making them grow and spread. We will test whether YAP is a potential drug target to prevent or treat melanoma, a deadly type of cancer that usually arises in the skin but also internal organs and the eye. If so, we would fast-track these drugs for testing in patients via clinical trials.