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The roles of metal ions in glucose metabolism and the treatment of diabetes. Metal supplements, such as chromium and vanadium are consumed widely for their purported fat reduction and anti-diabetic activities. However, much is still to be learnt about the efficacy and safety of such metal ions when they are taken in supplements and whether they have an essential role in the prevention of diabetes or, in some instances, are a risk factor for cancer. The research will provide an understanding of ....The roles of metal ions in glucose metabolism and the treatment of diabetes. Metal supplements, such as chromium and vanadium are consumed widely for their purported fat reduction and anti-diabetic activities. However, much is still to be learnt about the efficacy and safety of such metal ions when they are taken in supplements and whether they have an essential role in the prevention of diabetes or, in some instances, are a risk factor for cancer. The research will provide an understanding of how these metal complexes exert their anti-diabetic effects and how they can be made safer and/or more efficacious for the treatment of type 2 diabetes, which is a rapidly expanding epidemic in developed countries. Read moreRead less
Design and Mechanistic Studies of Metal-Based Anti-Diabetic Drugs. Metal supplements, such as chromium and vanadium, are consumed widely for their purported fat reduction and anti-diabetic activities. However, much is still to be learnt about the efficacy and safety of such metal ions and whether they have an essential role in the prevention of diabetes or, in some instances, are a risk factor for cancer. The research will provide a fundamental understanding of how these metal complexes exert th ....Design and Mechanistic Studies of Metal-Based Anti-Diabetic Drugs. Metal supplements, such as chromium and vanadium, are consumed widely for their purported fat reduction and anti-diabetic activities. However, much is still to be learnt about the efficacy and safety of such metal ions and whether they have an essential role in the prevention of diabetes or, in some instances, are a risk factor for cancer. The research will provide a fundamental understanding of how these metal complexes exert their anti-diabetic effects and how they can be made safer and/or more efficacious for the treatment of type 2 diabetes, which is a rapidly expanding epidemic in developed countries. Read moreRead less
Synthesis and Applications of Antifreeze Proteins and Glycoproteins. Many cells are damaged when they are chilled below body temperatures thus limiting shelf-life for applications. For example, storage of human blood platelets is limited to 5 days at 22 degrees. This research will produce molecules that can be used in the fields of agriculture (in vitro fertilization techniques, development of improved blood lines), aquaculture and human reproductive technologies, where ice crystal growth and fr ....Synthesis and Applications of Antifreeze Proteins and Glycoproteins. Many cells are damaged when they are chilled below body temperatures thus limiting shelf-life for applications. For example, storage of human blood platelets is limited to 5 days at 22 degrees. This research will produce molecules that can be used in the fields of agriculture (in vitro fertilization techniques, development of improved blood lines), aquaculture and human reproductive technologies, where ice crystal growth and freezing are damaging. This outcome will be achieved by the synthesis of molecules that mimic natural products that allow fish to survive in the icy Arctic and Arctic Oceans and study how they are able to protect cells and tissues from damage in these extreme environments.Read moreRead less
Elucidating the Mode of Action of Nicotinic Receptor Ligands. Changes in brain function can cause human diseases such as epilepsy, schizophrenia and Alzheimer's disease. To develop new medicines to treat these conditions we need to study how drugs act in the brain. This project will use new methods of chemistry to make drugs, which will then be tested for biological activity at important brain receptors. This will tell us which compounds are most effective as potential drugs and also exactly whe ....Elucidating the Mode of Action of Nicotinic Receptor Ligands. Changes in brain function can cause human diseases such as epilepsy, schizophrenia and Alzheimer's disease. To develop new medicines to treat these conditions we need to study how drugs act in the brain. This project will use new methods of chemistry to make drugs, which will then be tested for biological activity at important brain receptors. This will tell us which compounds are most effective as potential drugs and also exactly where they act in the brain. Read moreRead less
Elucidating the Mode of Action of Nicotinic Receptor Ligands. Changes in brain function can cause human diseases such as epilepsy, schizophrenia and Alzheimer's disease. To develop new medicines to treat these conditions we need to study how drugs act in the brain. This project will use new methods of chemistry to make drugs, which will then be tested for biological activity at important brain receptors. This will tell us which compounds are most effective as potential drugs and also exactly whe ....Elucidating the Mode of Action of Nicotinic Receptor Ligands. Changes in brain function can cause human diseases such as epilepsy, schizophrenia and Alzheimer's disease. To develop new medicines to treat these conditions we need to study how drugs act in the brain. This project will use new methods of chemistry to make drugs, which will then be tested for biological activity at important brain receptors. This will tell us which compounds are most effective as potential drugs and also exactly where they act in the brain. Read moreRead less
Development of Pyrrolopyrimidines as Inhibitors of ATP-Binding Proteins. This project seeks to generate analogues of natural products that have been found to be active against cancer cells and tropical parasites. The new materials produced by this project will aid in the study of biochemical processes involved in diseases such as cancer and lymphatic filariasis, thus leading the way to development of these compounds as potential treatments for such diseases.
Formation, structure and chemistry of non-covalent complexes of biomolecules via mass spectrometry. The studies proposed address fundamental issues which are essential to developments in biotechnology and related industries and of implication for human health and disease, with special attention to mechanisms of Deoxyribonucleic acid (DNA) damage, for example through Ultraviolet (UV) A and B. This has a special resonance for our sunburnt nation. The work, using world class Australian Research Cou ....Formation, structure and chemistry of non-covalent complexes of biomolecules via mass spectrometry. The studies proposed address fundamental issues which are essential to developments in biotechnology and related industries and of implication for human health and disease, with special attention to mechanisms of Deoxyribonucleic acid (DNA) damage, for example through Ultraviolet (UV) A and B. This has a special resonance for our sunburnt nation. The work, using world class Australian Research Council funded instrumentation, will carry out breakthrough science, exploiting and enhancing existing national strength in biological science with a strong interdisciplinary element. This project will also maintain and enhance Australia's international research profile through its novelty and new overseas collaborations. The project will equip talented young scientists with a spectrum of skills.Read moreRead less
Gas phase studies of the interactions of electrons with peptide ions: structure assignment and fundamentals. Electron-induced reactions are fundamental to a wide range of processes that underlie many areas of science and technology, ranging from planetary atmospheres, industrial plasmas to living tissues. Since ionizing radiation is believed to be a major cause of damage to living cells, understanding electron interactions with biological molecules is essential to predict the consequences of ex ....Gas phase studies of the interactions of electrons with peptide ions: structure assignment and fundamentals. Electron-induced reactions are fundamental to a wide range of processes that underlie many areas of science and technology, ranging from planetary atmospheres, industrial plasmas to living tissues. Since ionizing radiation is believed to be a major cause of damage to living cells, understanding electron interactions with biological molecules is essential to predict the consequences of exposure. Structure determination of biomolecules is at the heart of identifying, diagnosing and potentially developing treatments for diseases, and thus another important reason for studying these interactions is the potential to develop new mass spectrometry based analytical methods.Read moreRead less
Gas Phase Reactivity of Charged Peptide and DNA Radicals: Fundamentals and Applications. Radicals derived from the "molecules of life", proteins and DNA, play both beneficial (e.g. enzyme catalysis) and deleterious roles (e.g. protein and DNA damage associated with disease). Two electrospray ionisation mass spectrometry approaches have been discovered to generate charged radicals of related models systems (e.g. peptides and nucleobases). The gas phase chemistry of these species is a largely unch ....Gas Phase Reactivity of Charged Peptide and DNA Radicals: Fundamentals and Applications. Radicals derived from the "molecules of life", proteins and DNA, play both beneficial (e.g. enzyme catalysis) and deleterious roles (e.g. protein and DNA damage associated with disease). Two electrospray ionisation mass spectrometry approaches have been discovered to generate charged radicals of related models systems (e.g. peptides and nucleobases). The gas phase chemistry of these species is a largely unchartered area! We will examine the fundamental chemistry (unimolecular and bimolecular reactions) of these systems and build upon some exciting preliminary results which suggest potential applications (e.g. as a proteomics tool to sequence and distinguish between leucine and isoleucine residues in peptides).Read moreRead less
Development of metal probes for the selective recognition of DNA. Transition metal complexes with large aromatic ligands have recently been shown to bind DNA by intercalation. However, controversy continues over their base sequence and groove selectivity. We will synthesise a range of chiral metal complexes and screen these against combinatorial oligonucleotide libraries to determine their base sequence selectivity. The information obtained will help us design better intercalators that can be us ....Development of metal probes for the selective recognition of DNA. Transition metal complexes with large aromatic ligands have recently been shown to bind DNA by intercalation. However, controversy continues over their base sequence and groove selectivity. We will synthesise a range of chiral metal complexes and screen these against combinatorial oligonucleotide libraries to determine their base sequence selectivity. The information obtained will help us design better intercalators that can be used as sensitive molecular probes and may find application as antitumour drugs. Binding interaction between the complex and DNA will be studied by NMR spectroscopy.Read moreRead less