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The Unique Nature Of Gamma Delta T Cell Recognition Resolved Through Interaction With H2-Q10
Funder
National Health and Medical Research Council
Funding Amount
$699,031.00
Summary
The liver is important for both digestion and immunity. Given these opposing functions, the liver must exert control points that prevent the immune system from recognising food products. We have now identified a new molecular target that controls the development of immune cells in the liver.
Unraveling The Link Between HLA B27 And Autoimmunity
Funder
National Health and Medical Research Council
Funding Amount
$746,102.00
Summary
Ankylosing spondylitis and related diseases cause significant morbidity in up to 0.25% of the population. Current treatments have limited efficacy and often debilitating side effects. More targeted peptide antigen based therapies will have fewer side effects and would be of major clinical importance to this group of diseases. This project seeks to identify peptide antigens that could be used in targeted immunotherapy. We also seek to understand how some of the idiosyncratic properties of HLA B27
The liver is an important organ in terms of immune responses. Owing to its exposure to many antigens, it is required to maintain a form of immune tolerance. This ensures that overt immune responses which would damage the liver do not occur. One means by which tolerance occurs is through silencing killer cells through the regulation of molecules of Major Histocompatibility Complex (MHC). This project will explore the role of a soluble form of MHC which is expressed only in the liver.
Antigen Presentation, Recognition And The Immune Response
Funder
National Health and Medical Research Council
Funding Amount
$14,927,045.00
Summary
This program focuses on understanding the development of immunity during infection or inflammatory diseases using a broad array of techniques to dissect the function of various immune cell types and to explore the relationship between structure and function of important cell surface molecules. These studies will improve our ability to design new generation vaccines for combating infectious diseases, controlling cancer, or limiting autoimmune or inflammatory diseases.
Tapasin And Major Histocompatibility Complex Class I Antigen Presentation
Funder
National Health and Medical Research Council
Funding Amount
$226,650.00
Summary
An effective T cell response (cellular immune response) to infections is vital to a functional immune system. Normally, proteins are cleaved into small molecules called peptides and these peptides are in turn presented by Major Histocompatibility Complex molecules to T cells. However, we have only partial understanding of what determines the choice of peptides that are finally presented to T cells. Recent research suggests that a molecule called tapasin may also influence the choice of peptides. ....An effective T cell response (cellular immune response) to infections is vital to a functional immune system. Normally, proteins are cleaved into small molecules called peptides and these peptides are in turn presented by Major Histocompatibility Complex molecules to T cells. However, we have only partial understanding of what determines the choice of peptides that are finally presented to T cells. Recent research suggests that a molecule called tapasin may also influence the choice of peptides. This research proposal aims to examine the role of tapasin in this regard. A thorough understanding of the basic principles of peptide presentation to T cells is crucial to the design of effective vaccines. Furthermore it will also broaden our understanding of immunological responses to cancer, autoimmune diseases and infections.Read moreRead less
Structural And Functional Characterisation Of The Killer Cell Immunoglobulin-like Receptor (KIR) Family Of Natural Killer Cell Receptors
Funder
National Health and Medical Research Council
Funding Amount
$348,070.00
Summary
Natural Killer (NK) cells are an important component of the immune response to cancer and infection. This project will define the molecular targets that are recognised by NK cells. This knowledge can then be used to guide in the selection of bone marrow donors in the treatment of leukemias as well as understanding how we fight off infections.
A Structural Investigation Into The Adaptive Immune Response To A Persistent And Ubiquitous Human Virus
Funder
National Health and Medical Research Council
Funding Amount
$574,890.00
Summary
This proposal is focussed on understanding the precise shape of proteins that control the immune response to Epstein Barr Virus. EBV is an ubiquitous human pathogen that has been linked to a number of cancers. This research proposal will further our understanding of the immune response to EBV, which will lay the foundations for developing therapeutics against this disease.
Role Of SPPL2A On B Cell Survival And Antibody Production In Mice And Humans
Funder
National Health and Medical Research Council
Funding Amount
$592,989.00
Summary
B lymphocytes are a specialised type of blood cells that produce antibodies in response to a pathogen or a vaccine. We have recently discovered that all mature B cells depend for their survival on a previously unknown protein called SPPL2A. This application will investigate the molecular mechanism through which SPPL2A contributes to the survival of B cells. We will also investigate if humans with currently unexplained B cell deficiency have mutations in SPPL2A.
Antigen Presentation, Recognition And The Immune Response
Funder
National Health and Medical Research Council
Funding Amount
$15,780,848.00
Summary
This program focuses on understanding the development of immune response to viruses and other infectious agents using a broad array of techniques to dissect the function of various immune cell types and to explore the relationship between structure and function of important cell surface molecules. These studies will improve our ability to design new generation vaccines for combating infectious diseases, controlling cancer, or limiting autoimmune diseases like diabetes.
Understanding The Host Pathogen Relationships Of Hendra Virus In Bats, Horses And Humans
Funder
National Health and Medical Research Council
Funding Amount
$648,339.00
Summary
We will examine why bats can be infected with Hendra Virus with no apparent symptoms, yet the virus causes severe disease in other mammals including humans. We will examine the innate immune response towards the virus in the natural host (fruit bats), horses and humans. In addition to the innate immune response we will also examine the adaptive immune response in bats and humans. We hope this information can be used to design new drugs or vaccines to Hendra Virus.