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Testing the free radical theory of aging: do indicators of oxidative damage predict lifespan? Because of the Free Radical Theory of Aging, many millions of dollars are spent around the world on dietary antioxidants of unproven efficacy. Many millions of research dollars are spent providing support for this theory but few studies test it rigorously. The first major benefit of this research is worldwide; to refute, or to substantially enhance and focus the current support for the Free Radical Theo ....Testing the free radical theory of aging: do indicators of oxidative damage predict lifespan? Because of the Free Radical Theory of Aging, many millions of dollars are spent around the world on dietary antioxidants of unproven efficacy. Many millions of research dollars are spent providing support for this theory but few studies test it rigorously. The first major benefit of this research is worldwide; to refute, or to substantially enhance and focus the current support for the Free Radical Theory. This should help to rationalise and direct funding supplied to these areas. The second benefit is for Australia: aging is a fruitful area for research because of the high general public interest and for training because of its multidisciplinary nature, and funding in Australia is very low by international standards. Read moreRead less
The effects of alpha-2-macroglobulin on amyloid formation and toxicity. The expected outcomes will provide major advances in understanding how the abundant human blood protein alpha-2-macroglobulin influences the formation of protein aggregates that underpin a number of serious diseases (e.g. Alzheimer's disease). The linkages involved are of the highest calibre and will give the Fellowship holder a unique opportunity for training in environments that are truly internationally leading-edge. Fur ....The effects of alpha-2-macroglobulin on amyloid formation and toxicity. The expected outcomes will provide major advances in understanding how the abundant human blood protein alpha-2-macroglobulin influences the formation of protein aggregates that underpin a number of serious diseases (e.g. Alzheimer's disease). The linkages involved are of the highest calibre and will give the Fellowship holder a unique opportunity for training in environments that are truly internationally leading-edge. Furthermore, the very high novelty and broad significance of this work indicate that it will produce high-impact publications which will tangibly assist Australia being recognized as a major contributor to international research outcomes of the highest quality.Read moreRead less
Of birds and bees: membrane lipids and the determination of maximum lifespan. The underlying mechanisms that determine why different animals have different maximum lifespans are unknown. Why do queen bees live for years but the genetically-identical workers bees live for only weeks? Similarly, to understand why birds live much longer than similar-sized mammals will give immense insight into the processes that cause ageing. Understanding the aging process in animals will have significant implicat ....Of birds and bees: membrane lipids and the determination of maximum lifespan. The underlying mechanisms that determine why different animals have different maximum lifespans are unknown. Why do queen bees live for years but the genetically-identical workers bees live for only weeks? Similarly, to understand why birds live much longer than similar-sized mammals will give immense insight into the processes that cause ageing. Understanding the aging process in animals will have significant implications for human health as the biggest risk factor for most diseases is age. Such understanding will help to cope with the worldwide problems of an aging population.Read moreRead less
Identification of novel biomarkers in tears for prostate cancer diagnosis and prognosis. The purpose of this study is to identify novel biomarkers in the tears of patients with CaP. The use of the several techniques will increase the chance of success and enable us to find more diagnostic markers. If successful, the identified proteins may be used to diagnose and determine the stage of cancer. This will help guide clinicians in choosing the best treatment methods for an individual patient. The m ....Identification of novel biomarkers in tears for prostate cancer diagnosis and prognosis. The purpose of this study is to identify novel biomarkers in the tears of patients with CaP. The use of the several techniques will increase the chance of success and enable us to find more diagnostic markers. If successful, the identified proteins may be used to diagnose and determine the stage of cancer. This will help guide clinicians in choosing the best treatment methods for an individual patient. The markers may also be used to monitor the disease progress and the effects of treatment. The results from this study may improve the prognosis of CaP patients.Read moreRead less
Why do good males die young? The relationship between ageing and sexual selection. A biological understanding of ageing is directly relevant to human welfare. We will use lab and field studies to explore the evolutionary genetics of ageing in an Australian cricket, with particular emphasis on how diet and the timing of reproduction influence the rate at which crickets deteriorate with age. We will also test whether biological differences between males and females generate genetic conflicts over ....Why do good males die young? The relationship between ageing and sexual selection. A biological understanding of ageing is directly relevant to human welfare. We will use lab and field studies to explore the evolutionary genetics of ageing in an Australian cricket, with particular emphasis on how diet and the timing of reproduction influence the rate at which crickets deteriorate with age. We will also test whether biological differences between males and females generate genetic conflicts over ageing rates. Our results will not only complement an evolutionary study of ageing, but may ultimately suggest interventions that may prolong human life or improve the quality of life in an ageing population.Read moreRead less
Linking the evolutionary and bioenergetic causes of sex differences in lifespan and ageing. The biological study of longevity and ageing has two important fronts: understanding how evolution shapes lifespan and ageing, and the mechanistic study of how genes, hormones, tissues and cells interact during ageing. Interventions to prolong longevity and improve quality of life depend on a vigorous and innovative research effort in both spheres. This project addresses why males and females have differe ....Linking the evolutionary and bioenergetic causes of sex differences in lifespan and ageing. The biological study of longevity and ageing has two important fronts: understanding how evolution shapes lifespan and ageing, and the mechanistic study of how genes, hormones, tissues and cells interact during ageing. Interventions to prolong longevity and improve quality of life depend on a vigorous and innovative research effort in both spheres. This project addresses why males and females have different lifespans and age differently in a way that bridges evolutionary and mechanistic study, and will build Australia's research capacity to study ageing at both levels. Because of the human interest in diet, sex, reproduction and ageing, we expect this research will be a showcase for public interest in science.Read moreRead less
Identifying the specific structural features of metallothionein that regulate its ability to modulate astrogliosis. This project contributes directly to the Designated National Research Priority 2 and could potentially have a significant impact upon the broader Australian Community by identifying a novel and powerful therapeutic agent based upon metallothionein proteins with the ultimate aim of helping patients who have a brain injury or a neurodegenerative disease. It is important to note that ....Identifying the specific structural features of metallothionein that regulate its ability to modulate astrogliosis. This project contributes directly to the Designated National Research Priority 2 and could potentially have a significant impact upon the broader Australian Community by identifying a novel and powerful therapeutic agent based upon metallothionein proteins with the ultimate aim of helping patients who have a brain injury or a neurodegenerative disease. It is important to note that the partnership between UTAS and Bestenbalt LLC is a critical step in the development of these exciting research discoveries into commercially viable outcomes for the Australian Biotechnology Industry and the broader Australian community.Read moreRead less
Identification of novel biomarkers for diabetic retinopathy in tears. There are around 134,000 people with diabetic retinopathy in Australia. The disease affects patients' physical and mental state and economical and social cost is enormous. This research aims to find new biomarkers for the disease which may lead to better treatment and management. Patient's quality of life may be significantly improved by early diagnosis and treatment and the burden to the community reduced. This project also g ....Identification of novel biomarkers for diabetic retinopathy in tears. There are around 134,000 people with diabetic retinopathy in Australia. The disease affects patients' physical and mental state and economical and social cost is enormous. This research aims to find new biomarkers for the disease which may lead to better treatment and management. Patient's quality of life may be significantly improved by early diagnosis and treatment and the burden to the community reduced. This project also gives industrial partners the opportunity to develop new products to diagnose and monitor the disease.Read moreRead less
Using metallothioneins as a model for understanding cellular and biochemical interactions between neurons and astrocytes within the brain. This research will reveal some of the changes that occur in the relationship between neurons and astrocytes as a consequence injury, aging or disease to the human brain. In national terms, it will contribute to the concerted effort by Australian scientists to understand how and why neurons die following brain injury or in neurodegenerative diseases. These a ....Using metallothioneins as a model for understanding cellular and biochemical interactions between neurons and astrocytes within the brain. This research will reveal some of the changes that occur in the relationship between neurons and astrocytes as a consequence injury, aging or disease to the human brain. In national terms, it will contribute to the concerted effort by Australian scientists to understand how and why neurons die following brain injury or in neurodegenerative diseases. These are significant community issues in both economical and social terms. Furthermore, this research contributes directly to the Designated National Research Priorities by identifying some of the earliest cellular processes associated with aging or disease of the brain, and will provide clues to promoting healthy aging.Read moreRead less
The role of sexual conflict in the evolution of lifespan and ageing. Despite the central importance of ageing in our own lives, our understanding of the evolution of ageing is still incomplete. Reproductive interests of males and females often diverge, resulting in sexual conflict which may in turn drive the evolution of rapid ageing. I will use experimental evolution to investigate the role of sexual conflict in the evolution of age-specific mortality, reproductive ageing and lifespan in the se ....The role of sexual conflict in the evolution of lifespan and ageing. Despite the central importance of ageing in our own lives, our understanding of the evolution of ageing is still incomplete. Reproductive interests of males and females often diverge, resulting in sexual conflict which may in turn drive the evolution of rapid ageing. I will use experimental evolution to investigate the role of sexual conflict in the evolution of age-specific mortality, reproductive ageing and lifespan in the seed beetle Callosobruchus maculates. This study will reveal the role of sexual interactions and reproduction in the ageing process and result in the development of important new resources for resolving the genetic basis of deteriorative ageing.Read moreRead less