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Controlling Life And Death Of Dendritic Cell Subsets For Immunomodulation
Funder
National Health and Medical Research Council
Funding Amount
$639,577.00
Summary
Dendritic cells are pivotal in orchestrating immune responses; for example, they can turn immune cells into assassins to kill virus infections. Their function is so diverse that different dendritic cells do different jobs. There are many genes that control life and death of cells but those that are important for each specialised dendritic cell have not been comprehensively studied. Drugs that affect the proteins made by such genes selectively may be a new way of controlling immune responses.
The Cell Death Mechanisms That Control Regulatory T Cell Homeostasis
Funder
National Health and Medical Research Council
Funding Amount
$583,782.00
Summary
A central question in immunology is how to prevent destructive immune responses (e.g. autoimmune disease) and initiate productive immune responses (e.g. against cancer). A major breakthrough in this area was the discovery of special immune cells, called a Regulatory T Cells. We propose to discover the genes that determine whether these cells live and die. We will use this information to control appropriate numbers and function of Regulatory T Cells to modify the immune system.
Reversing Autoimmune Diabetes By Controlling Pathogenic Effector T-cells
Funder
National Health and Medical Research Council
Funding Amount
$408,662.00
Summary
Type 1 diabetes (T1D) results from misdirected immune responses that destroy insulin-producing pancreatic cells. The ultimate goal of therapeutic strategies is to remove or inactivate the cells that attack insulin-producing cells, while leaving other cells, for example, those required for protection from infectious diseases and tumours, unaffected. Here we propose to test a new way of turning off the inappropriate immune reaction with the goal of preventing type 1 diabetes.
The Regulation Of Monocyte Derived Dendritic Cells (moDCs) During Allograft Rejection
Funder
National Health and Medical Research Council
Funding Amount
$110,218.00
Summary
Islet transplantation can cure type 1 diabetes, but the required drugs for immunosuppressing graft rejection have side effects. Therefore understanding how immune rejection occurs so that we can suppress in a more discreet selective way is our goal. A type of cell that is prominent during graft rejection is the monocyte derived dendritic cell. We propose that this cell is critical for orchestrating immune responses during rejection. Therefore we wish to determine how such cells are controlled.
Targeting CD40L(CD154) On Dendritic Cells For CD8 T Cell-mediated Immunity And Tolerance
Funder
National Health and Medical Research Council
Funding Amount
$558,441.00
Summary
Killer T cells fight infection but also participate in transplant rejection. Activation of killer T cells often requires helper T cells. However, in the absence of helper cells, we have found an alternative pathway by which killer cells can be activated. We will explore this new pathway in enhancing vaccine responses and in modulating transoplant rejection.
Interactions Between Adaptable Pathogens, Drugs And The Human Host
Funder
National Health and Medical Research Council
Funding Amount
$5,727,327.00
Summary
The Centre for Clinical Immunology and Biomedical Statistics (CCIBS) represents a collaboration between Royal Perth Hospital and Murdoch University that has brought together internationally recognised expertise in clinical immunology, experimental biology and innovation in biostatistics and computing. These resources have been applied to a broad range of research issues within the broad framework of HIV and hepatitis C disease and treatment. CCIBS has become a leading centre of research excellen ....The Centre for Clinical Immunology and Biomedical Statistics (CCIBS) represents a collaboration between Royal Perth Hospital and Murdoch University that has brought together internationally recognised expertise in clinical immunology, experimental biology and innovation in biostatistics and computing. These resources have been applied to a broad range of research issues within the broad framework of HIV and hepatitis C disease and treatment. CCIBS has become a leading centre of research excellence internationally, establishing a reputation for innovative approaches to host-viral interactions that are built on a long tradition of research into the population genetics of both human and viral genomes, combined with a willingness to negotiate complex computation and statistical challenges in order to faithfully reflect dynamic biological processes at a population level. An early recognition that large and integrated repositories of genetic and clinical data are fundamental to the research success in the genomic era has also led to the creation of the single most comprehensive repository of HIV genetic sequencing data in the world. The contributions that CCIBS has made to several distinct areas of research, including understanding viral adaptation to host immune responses, the development of genetic testing to predict drug hypersensitivity reactions, and causes of antiretroviral drug-associated toxicities, have been published in prestigious journals including Science, Nature, Nature Immunology, The Lancet, Proceedings of National Academy of Sciences, and The American Journal of Human Genetics, and have also resulted in numerous international collaborations that recognise the unique attributes that CCIBS has been able to bring to the global research effort aimed at understanding fundamental aspects of HIV and hepatitis C biology and treatment.Read moreRead less
The Role Of CCR6 In IL-17-producing CD8+ T Lymphocyte Activation And Trafficking
Funder
National Health and Medical Research Council
Funding Amount
$514,041.00
Summary
T lymphocytes play an important role in the control of infection, but can also contribute to diseases such as autoimmune disease and cancer. This research will identify the function of a new subtype of T lymphocyte and determine whether inhibiting its function prevents disease.
The Importance Of GM-CSF In Determining The Fate And Function Of Dendritic Cell (DC) Subsets: Resident DC, Inflammatory DC And Suppressive DC.
Funder
National Health and Medical Research Council
Funding Amount
$334,053.00
Summary
The hormone GM-CSF determines how infections are seen by the immune system GM-CSF is a hormone already in use for increasing the production of white blood cells. We have found that it also affects their function, especially that of specialised white blood cells that process infectious materials to be recognised by the immune system. This project aims to detail the effects of GM-CSF on specialised white blood cells.
Influence Of TCR Signals From Contact With Self-MHC Ligands On Naive T Cell Survival
Funder
National Health and Medical Research Council
Funding Amount
$418,658.00
Summary
A diverse repertoire of naive T cells constitutes a critical part of the adaptive immune system and protects hosts from various infections and cancer. T cells are stably maintained at a constant number in the periphery by mechanisms that are not clearly understood. This proposal will shed light on how the immune system preserves a diverse na�ve T cell pool able to respond against various foreign antigens, while preventing their harmful auto-reactivity to self antigens.