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The Role Of The Asymmetric Cell Division Regulator GPSM2 In Mammary Gland Development And Breast Cancer
Funder
National Health and Medical Research Council
Funding Amount
$647,539.00
Summary
Tissues are built by small populations of progenitor cells which divide unequally to generate different cell types. Recent studies suggest defective progenitor cells are founders of some breast cancers and that progenitor-like cancer cells resist therapy to regenerate tumours. We have shown a progenitor division regulator called GPSM2 controls these cells and inhibits breast cancer. Examination of this new anti-tumour pathway promises to identify therapeutic targets for breast cancer recurrence.
Regulation Of Cell Death, Cell Survival And Ubiquitination In Normal Physiology And Disease
Funder
National Health and Medical Research Council
Funding Amount
$851,980.00
Summary
The project will investigate the functions of specific genes and pathways to understand the molecular basis of various diseases. It is based on our data that indicate new roles for (i) cell death in genomic instability in cancer, and (ii) ubiquitination in hypertension, developmental defects, kidney disease, as well as iron homeostasis. The work will lead to new understanding of human disease and discovery of potential new drug targets. It will also provide training of junior scientists.
Molecular Regulation Of Tumourigenesis By The Polarity Determinant Scribble And Associated Proteins
Funder
National Health and Medical Research Council
Funding Amount
$614,421.00
Summary
Cell polarity is the property of cells to be spatially oriented in a tissue or organ. We have shown that Scribble, a key regulator of cell orientation, may keep tumour development in check. In this proposal, we will examine how disruption of Scribble promotes breast cancer using a combination of tissue culture studies and a newly established mouse model. Understanding how this new pathway can regulate breast tumour development may provide novel targets for therapeutic intervention in cancer.
Deciphering The Role Of Scribble In Development And Disease
Funder
National Health and Medical Research Council
Funding Amount
$628,789.00
Summary
Scribble is a protein that controls the orientation and organization of all cells within our body. Mutations in the Scribble gene are found in many cancers and also in some patients with spina bifida, however how these mutations cause these diseases is not understood. Here we propose experiments that can be used to link Scribble mutations to specific cellular functions. This information will help us design new therapies to treat diseases driven by tissue disorganization such as cancer.
Regulation Of Cell Death, Cell Survival And Ubiquitination In Normal Physiology And Disease
Funder
National Health and Medical Research Council
Funding Amount
$823,008.00
Summary
I am a cellular and molecular biologist with extensive training in a number of biomedical research areas. For over 20 years I have used my training and skills to understand the normal functioning of the body and what molecular and cellular changes underlie various diseases. This fellowship will allow me to continue the groundbreaking work we have been doing to explore the function of several proteins in diseases such as cancer, hypertension, lung inflammation and anaemia.
Expansion Of TGF-beta-Smad Signaling Network And Intrinsic Epithelial-mesenchymal-endothelial Transition
Funder
National Health and Medical Research Council
Funding Amount
$557,297.00
Summary
The majority of tumor death occurs due to tumor metastasis. Both tumor growth and tumor spread require angiogenesis, which is thought to be driven by tumor but originated from host endothelial cells. Could tumor cells behave and function like endothelial cells? This application aims to detect the transition of adult epithelial cells to endothelial cells through a transient mesenchymal state. Our studies should reveal both the molecular and cellular causes of vasculogenic mimicry, thus establishi ....The majority of tumor death occurs due to tumor metastasis. Both tumor growth and tumor spread require angiogenesis, which is thought to be driven by tumor but originated from host endothelial cells. Could tumor cells behave and function like endothelial cells? This application aims to detect the transition of adult epithelial cells to endothelial cells through a transient mesenchymal state. Our studies should reveal both the molecular and cellular causes of vasculogenic mimicry, thus establishing a new paradigm in understanding tumor growth and metastasis. Such novel molecular understanding will open up new anti-tumor therapeutic opportunities.Read moreRead less
Tapping The Power Of Pluripotency: The Role Of HMGA1 In Stem Cell Self-renewal And Cell Fate Transitions
Funder
National Health and Medical Research Council
Funding Amount
$520,314.00
Summary
Stem-cell-based therapies have great potential as new treatments for degenerative and genetic diseases. However, to ensure we move in the right direction, we need a detailed understanding of stem cell properties. We have recently identified a novel mechanism for controlling stem-cell-like properties in both normal and cancer stem cells. In this project, we will further investigate this new means of controlling stem cells, which could revolutionise future therapeutic strategies for many diseases.
Mechanisms Of Muscle Stem Cell Action In Injury And Disease.
Funder
National Health and Medical Research Council
Funding Amount
$812,600.00
Summary
How do stem cells work in an organ or tissue to effect repair? Skeletal muscle is one of the few tissues that possesses the ability to regenerate after injury or disease but we understand very little about the processes that govern stem cell activation and the biology of self renewal, the mysterious process by which stem cell populations replicate themselves. Our zebrafish system will allow us to examine these questions directly in living muscle.
Revealing How The Mammalian Preimplantation Embryo Undergoes Compaction
Funder
National Health and Medical Research Council
Funding Amount
$705,102.00
Summary
The first morphological process critical for mammalian development is embryo compaction. During compaction, cells change their morphology from rounded to wedge-like. The mechanisms controlling embryo compaction remain unclear. We recently discovered that during compaction, cells extend long membrane protrusions on top of each other. In this Project we will establish the role of these protrusion in controlling embryo compaction and reveal the mechanisms underlying their formation.
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