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Cellular Regulation Of Receptor Signalling And Cytokine Responses
Funder
National Health and Medical Research Council
Funding Amount
$859,288.00
Summary
Cell surface receptors and signalling pathways elicit the release of cytokines, or chemical messengers, to control inflammation, which is the body’s response to infection or danger. We have discovered a new signalling pathway that can turn off inflammation and help prevent inflammatory disease. Our studies will now define the molecular details of this pathway and show how new and existing drugs targeting this pathway can be optimally used to treat inflammation and cancer.
Deciphering Signalling Pathways Regulating Iron Homeostasis
Funder
National Health and Medical Research Council
Funding Amount
$407,402.00
Summary
Iron overload and anaemia are two of the most significant health problems affecting humans. Understanding how the body regulates iron levels is key to our understanding of these disorders and to the future development of new therapies. This research is aimed at understanding how a hormone produced in the liver called hepcidin that maintains iron balance is regulated. This research may lead to novel therapies aimed at correcting the iron balance in conditions of iron overload or anaemia.
A New Master Adaptor Protein For Toll-like Receptor Signalling
Funder
National Health and Medical Research Council
Funding Amount
$869,288.00
Summary
Certain proteins on the surface of cells are able to sense danger and infection. These receptors use adaptor proteins to enable cells to respond appropriately. We have discovered a new adaptor that controls receptor signalling in inflammation. This new master adaptor likely has widespread roles in infection and inflammation. We aim to understand how this adaptor works, and to identify ways of blocking its actions. These studies may help us to control inflammation underpinning many diseases.
Innate Immune Signalling In Mycobacterium Tuberculosis Infection
Funder
National Health and Medical Research Council
Funding Amount
$562,857.00
Summary
Tuberculosis (TB) is a major global health threat that causes 1.5 million deaths every year. This study will characterise a new molecular control mechanism that optimises the immune response to the bacteria that cause TB and determine how it contributes to controlling the infection. Such knowledge is essential to help improve patient management and develop better treatments for this devastating disease.
A Structural Understanding Of Class B G Protein-coupled Receptor Function
Funder
National Health and Medical Research Council
Funding Amount
$1,289,570.00
Summary
G protein-coupled receptors (GPCRs) are the largest family of cell surface proteins that enable communication from external signals to the inside of cells of the body. Class B GPCRs are a therapeutically important subclass of these receptors and they play crucial roles in bone and energy homeostasis, cardiovascular control and immune response. This grant will uncover fundamental knowledge on how these receptors work, and will enhance future development of therapeutics.
GABA(B) Receptor Modulation Of Gastrointestinal Function In Health And Disease By Alpha-Conotoxins
Funder
National Health and Medical Research Council
Funding Amount
$689,050.00
Summary
Chronic visceral pain is a common and debilitating condition arising from numerous diseases that affect our internal organs. There is a desperate need for more information about the mechanisms responsible for signalling chronic visceral pain to provide therapies and potentially find a cure for it. Our research focuses on ?-conotoxins (small peptides from marine cone snail venom) as novel potential therapeutic agents for the treatment of chronic visceral pain.
Discovery Early Career Researcher Award - Grant ID: DE180100524
Funder
Australian Research Council
Funding Amount
$365,057.00
Summary
Manipulating selected inflammatory responses in macrophages. This project aims to define the structural and functional interactions of a new transmembrane adaptor SCIMP. SCIMP has recently been shown to effect the inflammatory pathway. The project outcomes will include the first structure of this unconventional complex. The project will have significant flow on benefits including new knowledge and new protein methodologies for end-users in research and industry, and ultimately economic impact.
Intra and intermolecular steps underpinning vesicular priming. This project aims to discover how secretory vesicles fuse with the plasma membrane, a process called priming. The fusion of secretory vesicles by exocytosis underpins neuronal communication. Despite efforts to understand vesicular fusion, how these vesicles become fusion-competent upon arrival at the plasma membrane is unknown. This project will use single molecule imaging to assess mobility changes of key priming molecules and uncov ....Intra and intermolecular steps underpinning vesicular priming. This project aims to discover how secretory vesicles fuse with the plasma membrane, a process called priming. The fusion of secretory vesicles by exocytosis underpins neuronal communication. Despite efforts to understand vesicular fusion, how these vesicles become fusion-competent upon arrival at the plasma membrane is unknown. This project will use single molecule imaging to assess mobility changes of key priming molecules and uncover their diffusional signature during priming. It intends to build a comprehensive model of molecular interactions that make a recently docked vesicle fusion-competent. This understanding is key to unravelling how the brain worksRead moreRead less
Defining the membrane protein cargo transported by Retromer. This project aims to define the role of Retromer, a protein machine that directs the organisation and movement of proteins within the cell. The function of proteins is dependent on how they travel through the various regions or compartments within the cell. One intracellular compartment, termed endosomes, is central to this dynamic process. Intracellular transport of biomolecules through the endosomal organelle is critical for normal c ....Defining the membrane protein cargo transported by Retromer. This project aims to define the role of Retromer, a protein machine that directs the organisation and movement of proteins within the cell. The function of proteins is dependent on how they travel through the various regions or compartments within the cell. One intracellular compartment, termed endosomes, is central to this dynamic process. Intracellular transport of biomolecules through the endosomal organelle is critical for normal cellular processes such as signalling and development. Endosomal transport occurs within membrane domains and membrane vesicular carriers formed by Retromer. This project aims to define the transmembrane proteins sorted by the distinct retromer complexes that form within the cell and the sorting signals essential for their correct trafficking and localisation.Read moreRead less
Molecular Regulation Of Metabolism And Body Composition By Ski Via Crosstalk With Nuclear Hormone Receptor Signalling.
Funder
National Health and Medical Research Council
Funding Amount
$558,441.00
Summary
Obesity is a common and burdensome health problem in the community which leads to diabetes and heart disease. A number of factors, including hormones play important roles in determing risk of obesity. This study proposes to investigate whether the Ski gene which is a regulatory factor for many hormones affects metabolism in transgenic mouse models of altered Ski function. The proposed studies may identify Ski as a target for therapy for obesity and improvement in sketal muscle metabolism.