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Probiotic Prawn Oral Immunotherapy (ProPIT) For Treatment Of Prawn Allergy
Funder
National Health and Medical Research Council
Funding Amount
$1,865,369.00
Summary
A ‘curative’ food allergy treatment is needed to prevent deaths and improve care. We recently showed that probiotic peanut oral immunotherapy (PPOIT) was highly effective for treating peanut allergy. 82% of PPOIT treated children gained tolerance compared to 4% of the placebo group. We will now test the combined probiotic-food OIT approach for treating prawn allergy. If successful, we will have identified the first treatment for prawn allergy and a platform treatment for other food allergies.
Determination of the mechanisms of immune system regulation of inflammation by the human protein, chaperonin 10. The aim of this project is to determine the mechanisms by which a human protein, chaperonin 10 (Cpn10), regulates the immune system and suppresses inflammation. When cells of the human immune system are challenged with lipopolysaccharide (LPS) (a product of bacterial infection), the pro-inflammatory cytokine TNF is released. Cpn10 has been shown to suppress production of TNF on chall ....Determination of the mechanisms of immune system regulation of inflammation by the human protein, chaperonin 10. The aim of this project is to determine the mechanisms by which a human protein, chaperonin 10 (Cpn10), regulates the immune system and suppresses inflammation. When cells of the human immune system are challenged with lipopolysaccharide (LPS) (a product of bacterial infection), the pro-inflammatory cytokine TNF is released. Cpn10 has been shown to suppress production of TNF on challenge of cells with LPS, while increasing the levels of the anti-inflammatory cytokine IL-10. Investigating the role of Cpn10 in modulating inflammation will contribute to the understanding and treatment of diseases associated with inflammation, including multiple sclerosis and rheumatoid arthritis.Read moreRead less
Real-time imaging of the initiation of adaptive immunity in vivo. Understanding the first few hours of an immune response is fundamental to understanding how the human immune system functions. The immune system mounts our responses to infectious diseases, but can also cause autoimmune disease, allergy, and organ graft rejection. We will study how naive antigen-specific T cells first contact antigen in lymph nodes using 2-photon intravital microscopy. The research has the potential to change the ....Real-time imaging of the initiation of adaptive immunity in vivo. Understanding the first few hours of an immune response is fundamental to understanding how the human immune system functions. The immune system mounts our responses to infectious diseases, but can also cause autoimmune disease, allergy, and organ graft rejection. We will study how naive antigen-specific T cells first contact antigen in lymph nodes using 2-photon intravital microscopy. The research has the potential to change the way we think about the clonal selection of lymphocytes, the fundamental theory underlying our understanding of the immune system.Read moreRead less
Understanding the chemical components that influence the flavour and quality of milk under different pasture management systems. The project will preserve and substantially increase the penetration of Australian milk into the Asian import market for dairy products, which stands at $2.1 billion annually, and is expected to grow at 6.6%per annum over the next 5 years. This outcome can potentially counteract the decline in dairy farm numbers in northern NSW, attract new suppliers to the region, an ....Understanding the chemical components that influence the flavour and quality of milk under different pasture management systems. The project will preserve and substantially increase the penetration of Australian milk into the Asian import market for dairy products, which stands at $2.1 billion annually, and is expected to grow at 6.6%per annum over the next 5 years. This outcome can potentially counteract the decline in dairy farm numbers in northern NSW, attract new suppliers to the region, and stimulate rural community growth and prosperity.Read moreRead less
Investigation of a Phagocytic Synapse in the Uptake of Apoptotic Cells. Rapid clearance of cells that die by apoptosis is crucial for embryonic development, tissue turnover, and after inflammatory events. Specialised phagocytes engulf the apoptotic cell corpses in a way that minimises inflammation and prevents autoimmunity. Genetic studies have identified the key evolutionary receptors involved, but the molecular basis of this phagocytosis is still poorly understood. We have developed, and seek ....Investigation of a Phagocytic Synapse in the Uptake of Apoptotic Cells. Rapid clearance of cells that die by apoptosis is crucial for embryonic development, tissue turnover, and after inflammatory events. Specialised phagocytes engulf the apoptotic cell corpses in a way that minimises inflammation and prevents autoimmunity. Genetic studies have identified the key evolutionary receptors involved, but the molecular basis of this phagocytosis is still poorly understood. We have developed, and seek to establish, an integrated model that incorporates new findings to explain how the distinctive functions of specialised receptors can be orchestrated to achieve this function. A successful outcome to the project will provide new knowledge of value to human health.Read moreRead less
Regulation of MHC-I and ICAM-1 by flavivirus, West Nile. This project investigates the intracellular signalling pathway responsible for the expression of genes which are critical to our immune response. We have demonstrated in a mouse model that high levels of expression of two of these genes in flavivirus encephalitis are associated with a survival advantage. We would expect this project to provide basic new information about the mechanisms of expression of these genes as well as information ab ....Regulation of MHC-I and ICAM-1 by flavivirus, West Nile. This project investigates the intracellular signalling pathway responsible for the expression of genes which are critical to our immune response. We have demonstrated in a mouse model that high levels of expression of two of these genes in flavivirus encephalitis are associated with a survival advantage. We would expect this project to provide basic new information about the mechanisms of expression of these genes as well as information about the interaction of this family of viruses, flavivirus with the host.Read moreRead less
Mechanism of action of an anti-inflammatory compound which targets alternatively activated macrophages. The project will study the mechanism by which a novel anti-inflammatory compound, developed by our commercial partner, suppresses the activity of a population of cells known as alternatively activated macrophages. These cells play a key role in driving allergic inflammation, including the inflammation associated with asthma.
Lipid raft and cyotoskeleton organization: How membrane domains give cells direction. For a large number of cells in our body it is imperative that they are able to orientate themselves relative to their environment, sense direction and translate incoming signals. To do so it is hypothesised that lipids on the cell surface are redistributed to form specialized domains. An asymmetric distribution of membrane domains can provide cells with a front and rear end and can further concentrate and co-or ....Lipid raft and cyotoskeleton organization: How membrane domains give cells direction. For a large number of cells in our body it is imperative that they are able to orientate themselves relative to their environment, sense direction and translate incoming signals. To do so it is hypothesised that lipids on the cell surface are redistributed to form specialized domains. An asymmetric distribution of membrane domains can provide cells with a front and rear end and can further concentrate and co-ordinate signalling molecules to a specific site. The project will determine the role of lipid domain in stabilizing cell shape and their remodelling during cell migration, the digestion of foreign particles and the formation of cell-cell contacts.Read moreRead less
Development of microbial bioproducts for the suppression of inflammation. Asthma and inflammatory diseases are serious health problems that result from excessive inflammation. Exposure to bacteria may reduce inflammation. This project will identify the bacterial components that reduce inflammation and develop them into new anti-inflammatory therapies for asthma.
Towards New Functionality in Dairy Ingredients. The Australian dairy industry plays a significant part in the nation’s economy, with almost $3 billion in export revenue in 2016-2017. Powdered dairy products extend shelf life and ease of transport, with >20% annual growth in premium products, such as milk protein concentrates and infant formula powders. This project aims to support the development of value-added dairy powders by investigating the impact of a novel high pressure processing technol ....Towards New Functionality in Dairy Ingredients. The Australian dairy industry plays a significant part in the nation’s economy, with almost $3 billion in export revenue in 2016-2017. Powdered dairy products extend shelf life and ease of transport, with >20% annual growth in premium products, such as milk protein concentrates and infant formula powders. This project aims to support the development of value-added dairy powders by investigating the impact of a novel high pressure processing technology in enhancing the properties of dairy powders and/or introducing new functionality. Successful outcomes will help expand the offering of high value dairy ingredients and thus increase the global competitiveness of Australian dairy manufacturing.Read moreRead less