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The Novel CXCR4/CCR7 Heterodimeric Chemokine Receptor Is A Key Determinant Of Breast Cancer Metastasis.
Funder
National Health and Medical Research Council
Funding Amount
$461,252.00
Summary
Novel cellular receptor has been identified that works as a switch to turn on cellular functions that are responsible for the metastatic dissemination of cancer cell to distant organs. The make-up and regulatory mechanisms of this novel receptor will be studied together with its potential utility as the marker of metastatic breast cancer.
Understanding The Role Of The IL11-Stat3-Th17 Signaling Axis In Gastrointestinal Cancer
Funder
National Health and Medical Research Council
Funding Amount
$531,743.00
Summary
Gastrointestinal cancers arise when abnormal cells grow out from otherwise normal tissue. The resulting tumours contain a number of different types of cells, some of which help the tumour to grow, and some of which fight the tumour. We are interested in understanding how soluble molecules called cytokines influence the cells that promote tumour growth. In particular, we will explore the role of a cytokine called Interleukin-11 in these processes to identify novel cancer therapies.
A Novel Approach To Restoration Of Tumour Suppression In Lung Cancer
Funder
National Health and Medical Research Council
Funding Amount
$598,604.00
Summary
Loss of a tumour suppressor is a key event in every cancer, including lung cancer. Therefore restoration of the expression and/or activity of the tumour suppressor is an attractive approach to anti-cancer treatment. In order to restore tumour suppression, a detailed understanding of the mechanism by which a given tumour suppressor is regulated is required. This application focuses on our discovery of a novel mechanism by which a key tumour suppressor of lung cancer is regulated.
I am a cell biologist investigating the means by which intracellular compartmentalization of signalling proteins determines signalling outcomes and cell fate. I focus particularly on signals that regulate immune function and cancer progression.
Aberrant Transcriptional Signalling In The Progression And Metastasis Of Melanoma.
Funder
National Health and Medical Research Council
Funding Amount
$353,033.00
Summary
There are currently no treatments that have any impact on decreasing mortality from metastatic melanoma. We have found 2 new variants in melanoma that may control the tumour growing and invading around the body. This study will examine the protein containing these changes with the aims of finding how they function differently, to identify their roles in the formation of melanoma, as well as to identify new targets for prevention and treatment of metastatic disease.
MODULATING MIC-1 CYTOKINE BIOAVAILABILITY: IMPACT ON TUMOUR BIOLOGY
Funder
National Health and Medical Research Council
Funding Amount
$341,210.00
Summary
MIC-1 cytokine is secreted by many tumour cells. It is commonly secreted as an inactive precursor form of MIC-1 which binds to the extracellular matrix surrounding cells, via its propeptide. This creates latent stores of cytokine which can be released and activated under specific conditions. The propeptide controls the balance between latent stores of inactive MIC-1 precursor and soluble forms of mature bioactive cytokine, which can act on surrounding cells or move into the circulation. The sign ....MIC-1 cytokine is secreted by many tumour cells. It is commonly secreted as an inactive precursor form of MIC-1 which binds to the extracellular matrix surrounding cells, via its propeptide. This creates latent stores of cytokine which can be released and activated under specific conditions. The propeptide controls the balance between latent stores of inactive MIC-1 precursor and soluble forms of mature bioactive cytokine, which can act on surrounding cells or move into the circulation. The significance of these latent stores is underscored by the finding that the level of these stores correlates with prostate cancer outcome, and also that very high circulating levels of active MIC-1 cytokine in the blood, leads to the massive weight loss characteristic of a syndrome called cancer cachexia. This is common in late stages of cancer and is a major contributing factor to the death of cancer patients. Understanding the mechanisms by which latent MIC-1 stromal stores are created and regulated, as well as their role in tumourigenesis, will have major impact on our understanding of the role of this cytokine in cancer. This is essential in order to adequately harness that knowledge for the benefit of patients.Read moreRead less
Deregulation Of Ribosome Signalling, Synthesis And Function During Malignant Transformation.
Funder
National Health and Medical Research Council
Funding Amount
$522,773.00
Summary
A major feature of tumour progression is accelerated cell growth and protein synthesis. Moreover, increased synthesis of ribosomes (the protein synthetic machinery) is associated with malignancy suggesting that it may play a causal role in cancer formation. In support of this, specific inhibitors of both ribosome biogenesis and function are extremely effective in inhibiting the growth of some tumours. This study will examine the mechanisms of deregulation of ribosome biogenesis and function duri ....A major feature of tumour progression is accelerated cell growth and protein synthesis. Moreover, increased synthesis of ribosomes (the protein synthetic machinery) is associated with malignancy suggesting that it may play a causal role in cancer formation. In support of this, specific inhibitors of both ribosome biogenesis and function are extremely effective in inhibiting the growth of some tumours. This study will examine the mechanisms of deregulation of ribosome biogenesis and function during cancer formation and assess for the first time whether aberrant regulation of ribosome biogenesis and function directly contributes to the initiation and-or progression of cancer.Read moreRead less
Therapeutic Strategies In Epithelial Cancer Through Signalling Inhibition Of The Epidermal Growth Factor Receptor.
Funder
National Health and Medical Research Council
Funding Amount
$136,250.00
Summary
The growth of cancer cells is regulated by many factors, including the presence of growth receptors on the surface of cancer cells. The epidermal growth factor receptor (EGFR) is present in some normal tissues, but is highly expressed on many common cancers, including brain, breast, lung, head and neck, colon and prostate cancer. We are developing a number of potential therapeutic compounds that act by inhibiting the EGFR in cancer cells. These compounds include a novel monoclonal antibody that ....The growth of cancer cells is regulated by many factors, including the presence of growth receptors on the surface of cancer cells. The epidermal growth factor receptor (EGFR) is present in some normal tissues, but is highly expressed on many common cancers, including brain, breast, lung, head and neck, colon and prostate cancer. We are developing a number of potential therapeutic compounds that act by inhibiting the EGFR in cancer cells. These compounds include a novel monoclonal antibody that binds to EGFR and inhibits its function, and a small molecule that binds to a portion of the EGFR inside cancer cells and also inhibits function. Both of these compounds prevent tumour growth in laboratory studies. This project will examine the mechanisms of action of these compounds, and explore ways to improve their anti-cancer effect. We have also shown that combining these compounds with other therapeutics eg chemotherapy markedly enhances their anti-cancer effect. We will further examine the mechanisms of these effects, and also determine if radiotherapy has additive anti-cancer effects. These studies will provide a basis for improved therapies for cancers overexpressing the EGFR.Read moreRead less