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Cellular Cross-talk Between Liver Progenitor Cells And Hepatic Stellate Cells Is Required For Hepatic Fibrogenesis
Funder
National Health and Medical Research Council
Funding Amount
$618,517.00
Summary
Deloitte Access Economics data proposes the total economic burden of liver disease in Australia in 2012 was >$50 billion. This study will identify how the liver heals itself by inducing liver cell populations which interact to regenerate damaged liver tissue in chronic liver disease. This knowledge may lead to the development of novel therapeutic interventions for the treatment of liver scarring and liver cancer, and to assist in normal liver regeneration following chronic liver disease.
Tissue Ferritin Is A Damage-associated Molecular Pattern (DAMP) In Inflammasome-induced Inflammation Associated With Hepatic Stellate Cell Activation And Fibrogenesis In Chronic Liver Disease.
Funder
National Health and Medical Research Council
Funding Amount
$783,612.00
Summary
We have generated considerable evidence for a role for tissue ferritin as a mediator of inflammation associated with liver fibrosis (scarring) These highly novel and innovative studies will assist in identifying pathways involved in the proinflammatory phenotype of hepatic stellate cells (scar-forming cells in the liver) in chronic liver disease and thus will greatly aid in understanding how liver scarring occurs in chronic liver disease.
Role Of Hepatic Stellate Cell And Liver Progenitor Cell Interactions In The Regulation Of Wound Healing And Liver Regeneration
Funder
National Health and Medical Research Council
Funding Amount
$620,716.00
Summary
The liver has a remarkable capacity for regeneration following acute and chronic liver injury, however, the mechanisms which facilitate this wound healing are not understood. This project will examine the interactions between different liver cell populations, including hepatic stellate cells (liver fibroblasts) and liver progenitor cells (stem cells of the liver) and will determine which factors regulate inflammation, liver scarring and restitution of liver mass following chronic liver injury.
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
Targeting The Pathophysiology And Therapy Of Liver Fibrosis
Funder
National Health and Medical Research Council
Funding Amount
$484,006.00
Summary
Hepatic fibrosis, or scarring of the liver, is a serious condition which can lead to liver cancer or death. Treatment of liver scarring is currently not effective once the scarring is well developed. This project aims to examine agents which may act to halt liver scarring once it has already developed. Outcomes from this project may help provide potential treatments to reduce the need for liver transplantation or to reduce patient deaths.
When Prometheus Needs A Hand – How Human Amnion Epithelial Cells Resolve Fibrosis And Regenerate The Liver
Funder
National Health and Medical Research Council
Funding Amount
$530,653.00
Summary
Cirrhosis can progress to end stage disease for which transplantation provides the only hope for survival. Liver donors in Australia are scarce; the need for donor organs is increasing. Using stem cells to repair and regenerate damaged liver may provide an alternative to organ transplantation. We are studying placental stem cells that can decrease inflammation and increase progenitor cells to repair and regenerate liver. Our goal is to use these stem cells as treatment for human liver disease
Role Of Tissue Ferritin As A Proinflammatory Mediator Of Hepatic Stellate Cell Activation In Hepatic Iron Overload.
Funder
National Health and Medical Research Council
Funding Amount
$574,890.00
Summary
The hepatic stellate cell is responsible for liver scarring (fibrosis) in chronic liver diseases such as the iron overload condition Haemochromatosis. Our research has identified a role for tissue-derived ferritin as a proinflammatory cytokine in hepatic stellate cell biology. This proposal will examine the mechanisms associated with ferritin's proinflammatory action and assess its role in the fibrosis which occurs in Haemochromatosis.
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
Tissue Ferritin Acts As A Proinflammatory Mediator Of Hepatic Fibrosis In Chronic Liver Disease Via Multiple Receptors In Hepatic Stellate Cells Responsible For Both Binding And Signalling.
Funder
National Health and Medical Research Council
Funding Amount
$777,887.00
Summary
Our research has identified a role for tissue-derived ferritin as a proinflammatory cytokine in hepatic stellate cell biology, the cells responsible for liver scarring (fibrosis) in Haemochromatosis. This proposal will identify the receptor responsible for eliciting ferritin's proinflammatory action and assess its role in fibrosis. This study will have implications in chronic liver diseases of varying aetiologies where elevated serum ferrritin is associated with inflammation.
Targeting The Crosstalk Between Metabolism And Epigenetics To Treat Liver Fibrosis
Funder
National Health and Medical Research Council
Funding Amount
$1,032,259.00
Summary
Virtually all liver disease related morbidity and mortality is a consequence of fibrosis that culminates in liver failure or liver cancer. Since anti-fibrotic drugs are not available, new approaches to drug development are required. We have discovered a novel strategy for such drug development by modifying the expression of a specific gene (RARRES1) in a highly targeted manner and thereby interrupting the energy production that is needed by cells to drive fibrosis.