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Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0453630
Funder
Australian Research Council
Funding Amount
$274,692.00
Summary
High-Speed Confocal Microscope Live Cell Recording System. The high-speed confocal microscope live cell recording system we are establishing represents new generation equipment. It allows quality imaging of selected subcellular regions of live cells combined with simultaneous electrophysiological recording at rates and sensitivity hitherto not possible. This equipment provides a window of opportunity for major research advances in that it allows real-time two and three-dimensional imaging of fun ....High-Speed Confocal Microscope Live Cell Recording System. The high-speed confocal microscope live cell recording system we are establishing represents new generation equipment. It allows quality imaging of selected subcellular regions of live cells combined with simultaneous electrophysiological recording at rates and sensitivity hitherto not possible. This equipment provides a window of opportunity for major research advances in that it allows real-time two and three-dimensional imaging of fundamental cellular activities that previously could not be viewed. It will allow major advances in priority health-related research and will provide an ideal research tool to introduce young scientists and students to cutting edge research.Read moreRead less
Dynamics of Locomotion: Visualisation in skill acquisition & rehabilitation. How does visual information and attention determine the control and coordination of locomotion? Using large-screen projection of computer graphics and immersive virtual reality, we will examine the influence of visual information on driver training, gait in the elderly, cardiorespiratory control, and the attentional interference of mobile phones on driving. Experiments will be based on principles from dynamical and comp ....Dynamics of Locomotion: Visualisation in skill acquisition & rehabilitation. How does visual information and attention determine the control and coordination of locomotion? Using large-screen projection of computer graphics and immersive virtual reality, we will examine the influence of visual information on driver training, gait in the elderly, cardiorespiratory control, and the attentional interference of mobile phones on driving. Experiments will be based on principles from dynamical and complex systems theory and will inform the design of innovative algorithms for autonomous mobile robots. Expected outcomes include improved road safety, new methods for the rehabilitation of those with gait disorders, and a deeper understanding of the physiological response to virtual exercise.Read moreRead less
Molecular control of apoptosis and protein homeostasis. A million cells are produced every second by cell division. At the same time a million cells commit suicide by a process called apoptosis. When cells fail to die when they should they can develop into cancers. In heart attacks, stroke and neurodegenerative diseases, many cells appear to activate their self destruct mechanism to die unnecessarily. Drugs that can cause cancer cells to kill themselves, or drugs that prevent cells dying when th ....Molecular control of apoptosis and protein homeostasis. A million cells are produced every second by cell division. At the same time a million cells commit suicide by a process called apoptosis. When cells fail to die when they should they can develop into cancers. In heart attacks, stroke and neurodegenerative diseases, many cells appear to activate their self destruct mechanism to die unnecessarily. Drugs that can cause cancer cells to kill themselves, or drugs that prevent cells dying when they shouldn't, would make a major impact on many important diseases. Understanding the molecular mechanisms of cell death is the first step towards developing these drugs.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0883032
Funder
Australian Research Council
Funding Amount
$1,300,000.00
Summary
800 MHz NMR spectrometer for biomolecular structure-function analysis. An understanding of how organisms function at the molecular level is central to developing the ability to fight many diseases in a rational way. This equipment will provide the capability for many different laboratories around NSW and the ACT to advance our knowledge at this fundamental level, primarily by examining the structures and functions of biomolecules such as proteins.
Mechanisms of calcium handling and their role in controlling smooth muscle function: evidence from transgenic mice. Calcium movements into and out of the cytoplasm of smooth muscle cells are regulated primarily by a variety of proteins located in the plasma membrane and in the sarcoplasmic reticulum and play a central role in controlling the contractile state of smooth muscle. Understanding the mechanisms that control intracellular calcium levels is fundamental to understanding smooth muscle fu ....Mechanisms of calcium handling and their role in controlling smooth muscle function: evidence from transgenic mice. Calcium movements into and out of the cytoplasm of smooth muscle cells are regulated primarily by a variety of proteins located in the plasma membrane and in the sarcoplasmic reticulum and play a central role in controlling the contractile state of smooth muscle. Understanding the mechanisms that control intracellular calcium levels is fundamental to understanding smooth muscle function. This project will employ a unique approach, involving the use of mice with targeted disruptions to genes encoding key calcium transport proteins, to gain new knowledge on the contribution of various calcium handling pathways to overall control of smooth muscle function.Read moreRead less
Rhombomeric Topography of Structures in the Adult Mouse: Evidence from Avian Homologies and Transgenic Mice. The brainstem of birds has been shown to be formed by a line of segments, like carriages of a train. The same arrangement exists in the embryos of mammals, but is hidden in the adult mammalian brain. We will transfer our detailed knowledge of bird brains to make a maps of the brainstem segments in adult mice. We will then test this map with special gene markers which will reveal the occul ....Rhombomeric Topography of Structures in the Adult Mouse: Evidence from Avian Homologies and Transgenic Mice. The brainstem of birds has been shown to be formed by a line of segments, like carriages of a train. The same arrangement exists in the embryos of mammals, but is hidden in the adult mammalian brain. We will transfer our detailed knowledge of bird brains to make a maps of the brainstem segments in adult mice. We will then test this map with special gene markers which will reveal the occult segmental pattern in adult mice. This work will give us a new way of understanding the organisation of brainstem centres that control breathing, cardiovascular functions and emotional states.Read moreRead less
Central command neurons integrating cardiorespiratory drive in exercise. The ability to perform exercise is fundamental to human health and welfare. This ability depends upon the co-ordination by the brain of respiratory and cardiovascular function, such that the delivery of oxygen to exercising muscles is maximised. This project will test the idea that there is a specific group of neurons in the brain that drive both the respiratory and cardiovascular changes that occur during exercise, and w ....Central command neurons integrating cardiorespiratory drive in exercise. The ability to perform exercise is fundamental to human health and welfare. This ability depends upon the co-ordination by the brain of respiratory and cardiovascular function, such that the delivery of oxygen to exercising muscles is maximised. This project will test the idea that there is a specific group of neurons in the brain that drive both the respiratory and cardiovascular changes that occur during exercise, and will determine the location and functions of such neurons. Such new knowledge will help us understand how the brain optimises the ability of the body to perform exercise. This is of fundamental importance in sports science, a field in which Australia excels.Read moreRead less
Molecular basis of G protein receptor-effector coupling in epithelial cells. Hundreds of extracellular stimuli act on specific receptors in the plasma membrane of cells resulting in an increase in intracellular calcium which acts as a second messenger to alter cell behaviour. There are, however, many receptors acting through a number of closely related proteins involving tightly regulated interactions which remain poorly understood. This project uses novel techniques to elucidate the molecular b ....Molecular basis of G protein receptor-effector coupling in epithelial cells. Hundreds of extracellular stimuli act on specific receptors in the plasma membrane of cells resulting in an increase in intracellular calcium which acts as a second messenger to alter cell behaviour. There are, however, many receptors acting through a number of closely related proteins involving tightly regulated interactions which remain poorly understood. This project uses novel techniques to elucidate the molecular basis for these interactions by identifying the roles individual proteins play in this complex process.Read moreRead less
Characterisation of the oxygen-sensing asparaginyl hydroxylase, FIH-1, and hydroxylase-specific antagonists. This research will provide fundamental information on how cells and whole organisms can sense and respond accordingly to oxygen deficiency. This information is fundamental for our understanding of embryo development and adult life in different environments, and central to the diagnosis and treatment of diseases such as stroke, cardiovascular disease, and cancer. This research will contrib ....Characterisation of the oxygen-sensing asparaginyl hydroxylase, FIH-1, and hydroxylase-specific antagonists. This research will provide fundamental information on how cells and whole organisms can sense and respond accordingly to oxygen deficiency. This information is fundamental for our understanding of embryo development and adult life in different environments, and central to the diagnosis and treatment of diseases such as stroke, cardiovascular disease, and cancer. This research will contribute to our basic knowledge of these processes, provide invaluable information about the specific genes and proteins involved, and provide direct information about the therapeutic potential of specific drugs or inhibitors designed to target this oxygen response in human disease.Read moreRead less
Function and regulation of the Na+,K+-ATPase. The Na+,K+-ATPase is the major energy-consuming enzyme of animal cells. Its ion pumping is essential for numerous physiological functions (e.g. heart, kidney, brain). Molecular detail of its pumping mechanism is, however, lacking and its regulation is still unclear. We will use rapid reaction methods on purified enzyme in vitro to locate the rate-determining step of the enzyme cycle, determine its mechanism, investigate its regulation by sodium conce ....Function and regulation of the Na+,K+-ATPase. The Na+,K+-ATPase is the major energy-consuming enzyme of animal cells. Its ion pumping is essential for numerous physiological functions (e.g. heart, kidney, brain). Molecular detail of its pumping mechanism is, however, lacking and its regulation is still unclear. We will use rapid reaction methods on purified enzyme in vitro to locate the rate-determining step of the enzyme cycle, determine its mechanism, investigate its regulation by sodium concentration, phosphorylation and membrane composition, and isolate its charge-transporting steps. The results will have immediate impact on the understanding of the enzyme's mechanism, its metabolic control and its role in disease.Read moreRead less