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Dissecting In Vivo Cellular Responses To Interferons In Pathogen-infected Hosts
Funder
National Health and Medical Research Council
Funding Amount
$479,694.00
Summary
Tuberculosis (TB) is caused by virulent bacterium Mycobacterium tuberculosis and is a leading cause of death worldwide. Mechanisms underlying host resistance to the pathogen are poorly understood. Using a novel reporter mouse, the function of interferons in Mtb infection will be defined in vivo by tracking the cytokine-responsive cells. This will increase our understanding of the effects of these important cytokines in vivo, and could provide new candidate biomarkers for TB diagnosis.
Targeting Caspase 8 In T-Cell Homeostasis And Disease
Funder
National Health and Medical Research Council
Funding Amount
$1,215,780.00
Summary
Chronic infectious diseases such as HIV, hepatitis B and tuberculosis impose a massive global health burden and new treatments are desperately needed. This proposal investigates a new approach to improve immune responses and clear chronic infections. Our multidisciplinary team will define the molecular and cellular biology underlying this approach and translate our findings by re-purposing a drug already approved for other indications in humans.
Mechanisms Regulating Establishment Of Persistent Herpesvirus Infection
Funder
National Health and Medical Research Council
Funding Amount
$511,446.00
Summary
Herpesviruses are a major cause of disease worldwide and are amongst the most successful human pathogens, with some viruses infecting more than 80% of the world's population. This group of viruses persist and reactivate in hosts and induce immunosuppression.The control of herpesviruses infections thus represents an important clinical goal. Understanding the mechanisms involved in the induction of viral persistence and immunosuppression is a crucial step towards developing better therapies.
B Cell Survival And Responsiveness In Health And Disease
Funder
National Health and Medical Research Council
Funding Amount
$664,584.00
Summary
I am an immunologist focused on identifying how B lymphocytes, the cells responsible for producing antibodies, survive and participate in immune responses within the body. I achieve this by using specially designed, genetically modified, mice that allow me to follow B lymphocytes within the body and identify their key genetic and external controls. My work is relevant to vaccine development as well as the control of certain autoimmune diseases and B lymphocyte cancers.
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.
The Axis Of Bcl-2, Plasmacytoid DCs And Lupus As A Basis For Therapy
Funder
National Health and Medical Research Council
Funding Amount
$712,172.00
Summary
Systemic lupus erythematosus (SLE) affects 1 in 1000 Australians, mostly women. Here the immune system goes awry and makes antibodies against the body’s own components including the body’s DNA. This leads to damage to many parts of the body including kidneys, joints, brain and heart. It is incurable. A particular immune cell controls the development of this disease and we have found this cell is selectively killed by an inexpensive drug, which we hope will be a better way of treating SLE.
CCR9 Expressing T Helper Cells In Immunity And Autoimmunity
Funder
National Health and Medical Research Council
Funding Amount
$729,571.00
Summary
We have identified a unique subset of immune cells in autoimmune lesions named Tccr9 cells. You find these cells in the gut, but when the body shifts into disease mode, Tccr9 cells disseminate to the accessory organs of the digestive system. Understanding the relationship between gut Tccr9 cells and the Tccr9 cells that contribute to chronic inflammation and autoimmunity is the focus of this research proposal.