Identification Of The Mechanisms Of Hepatic Fibrogenesis Aid In The Detection And Prediction Of Clinical Outcomes In Paediatric Cholestatic Liver Disease.
Funder
National Health and Medical Research Council
Funding Amount
$624,429.00
Summary
Biliary Atresia (BA) and Cystic Fibrosis Liver Disease (CFLD) are important causes of childhood cirrhosis. Diagnosis is difficult, treatments problematic, and outcomes suboptimal. In BA, bile duct obstruction in infants rapidly progresses to liver failure. It is the most common indication for liver transplantation in children. CFLD causes significant morbidity/mortality in about 20% of CF children. This proposal investigates the mechanisms of liver fibrosis (scarring) and the role of fibrosis in ....Biliary Atresia (BA) and Cystic Fibrosis Liver Disease (CFLD) are important causes of childhood cirrhosis. Diagnosis is difficult, treatments problematic, and outcomes suboptimal. In BA, bile duct obstruction in infants rapidly progresses to liver failure. It is the most common indication for liver transplantation in children. CFLD causes significant morbidity/mortality in about 20% of CF children. This proposal investigates the mechanisms of liver fibrosis (scarring) and the role of fibrosis in both diagnosis and predicting clinical outcome.Read moreRead less
Mechanisms Of Hepatic Fibrogenesis In Chronic Liver Disease
Funder
National Health and Medical Research Council
Funding Amount
$697,209.00
Summary
Despite advances made in understanding the mechanisms of liver injury, chronic liver disease continues to be one of the most rapidly growing causes of death in subjects aged <65 years. This is the result of uncontrolled wound healing and regeneration leading ultimately to cirrhosis and liver cancer. This research will identify and characterise pathways that control the wound healing response to liver injury, involving the processes of inflammation, scarring and restitution of normal liver mas ....Despite advances made in understanding the mechanisms of liver injury, chronic liver disease continues to be one of the most rapidly growing causes of death in subjects aged <65 years. This is the result of uncontrolled wound healing and regeneration leading ultimately to cirrhosis and liver cancer. This research will identify and characterise pathways that control the wound healing response to liver injury, involving the processes of inflammation, scarring and restitution of normal liver mass.Read moreRead less
Hepatic Fibrogenesis In Paediatric Cholestatic Liver Disease.
Funder
National Health and Medical Research Council
Funding Amount
$254,250.00
Summary
Liver disease in children causes a significant impact on lifespan and quality of life. The commonest causes of liver disease in children are cholestatic, or diseases related to obstruction of bile flow out of the liver. In ways we are only beginning to understand, obstruction of bile flow stimulates liver scar formation which, if untreated, leads to replacement of normal liver tissue and ultimately to failure of the liver. In infants, the most common and serious cholestatic liver disease is bili ....Liver disease in children causes a significant impact on lifespan and quality of life. The commonest causes of liver disease in children are cholestatic, or diseases related to obstruction of bile flow out of the liver. In ways we are only beginning to understand, obstruction of bile flow stimulates liver scar formation which, if untreated, leads to replacement of normal liver tissue and ultimately to failure of the liver. In infants, the most common and serious cholestatic liver disease is biliary atresia. It develops at, or shortly after birth with progressive destruction of the bile ducts, responsible for transporting bile out of the liver. Without early diagnosis and surgery these infants develop progressive liver scarring leading to liver failure and death or liver transplantation within 1-2 years. It is the commonest reason for liver transplantation in children (55-60%) in the Western world. Even with successful surgery, most, if not all patients will come to liver transplantation over the subsequent 25 years because of ongoing, but slower, scar formation. In older children, diseases like cystic fibrosis cause bile duct blockages leading to progressive liver scarring that is slower and unpredictable, contributing to ill health in up to 20% of patients and death from end stage liver disease or liver transplantation in 5%. Using liver tissue from children with these two disorders we have been able to identify the key cells that control the liver scar process, the Hepatic Stellate Cell. We now need to investigate the role of bile constituents on the scar-forming process in these two diseases. We will utilise a well characterised animal model to investigate the influence of bile constituents on cells isolated from this model and apply these findings back to patient samples to determine their role in paediatric cholestatic liver disease. This will help us to better understand the disease process and importantly, develop more effective and earlier treatment.Read moreRead less
Role Of Chemoattractants In Hepatic Stellate Cell Recruitment And Fibrogenesis In Paediatric Cholestatic Liver Disease.
Funder
National Health and Medical Research Council
Funding Amount
$589,175.00
Summary
This project investigates how decreased bile flow in children's liver diseases such as cystic fibrosis and biliary atresia, leads to the release of molecules from the liver which cause recruitment of scar-forming cells. This results in cirrhosis (liver scar) and the necessity for liver transplantation. This project will investigate whether some children are more susceptible to liver scarring due to mutations in genes which cause increased release of these recruitment molecules from the liver.
I am a hepatology scientist investigating the mechanisms associated with the development of hepatic fibrosis and cirrhosis in chronic liver diseases affecting children (cystic fibrosis liver disease and biliary atresia) and adults (haemochromatosis).
Connecting and generalising arithmetic into powerful abstract systems: Year 2 to 5 children's cognitive development with respect to algebraic reasoning. Algebra is a fundamental area of mathematical thinking. In spite of the wealth of research at both the national and international level, algebraic thinking still persists as a barrier to secondary and tertiary mathematics. This project will develop new research integrating alegbra and arithmetic at the primary level as a key for access to higher ....Connecting and generalising arithmetic into powerful abstract systems: Year 2 to 5 children's cognitive development with respect to algebraic reasoning. Algebra is a fundamental area of mathematical thinking. In spite of the wealth of research at both the national and international level, algebraic thinking still persists as a barrier to secondary and tertiary mathematics. This project will develop new research integrating alegbra and arithmetic at the primary level as a key for access to higher levels of algebra. The investigators will engage teachers and students from 5 primary schools to construct a model of Year 2 to 5 children's cognitive development with regard to algebraic reasoning and develop instructional strategies and teaching episodes to facilitate this.Read moreRead less
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The role of subject-matter knowledge in teaching science and mathematics: Practices of teachers with advanced qualifications in the sciences. High quality science and mathematics education is central to economic prosperity. This study will achieve two outcomes. Firstly it explores the importance of subject matter knowledge in teaching. Much has been studied about the knowledge of teachers but limited research has been conducted with teachers who have substantial subject-matter knowledge. These f ....The role of subject-matter knowledge in teaching science and mathematics: Practices of teachers with advanced qualifications in the sciences. High quality science and mathematics education is central to economic prosperity. This study will achieve two outcomes. Firstly it explores the importance of subject matter knowledge in teaching. Much has been studied about the knowledge of teachers but limited research has been conducted with teachers who have substantial subject-matter knowledge. These findings will inform the current debate about the appropriate models of teacher education and the balance of emphasis on content knowledge and pedagogical knowledge. Secondly, given a number of attempts to attract mid career professionals with high qualifications to teaching, the study will provide evidence on how these people transition to their new careers and what support is needed.Read moreRead less