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The amyloid beta (Ab) protein is implicated in Alzheimer’s Disease through its ability to impair brain metabolism. We have recently found that Ab can also impair metabolism in other tissues. This project will determine the role of Ab in regulating whole body metabolism and determine whether it is implicated in the development of metabolic diseases such as type 2 diabetes.
Senior Research Fellowship In Lipoprotein Metabolism
Funder
National Health and Medical Research Council
Funding Amount
$804,106.00
Summary
A physiologist describing metabolic pathways and mechanisms that regulate lipoprotein metabolism in in vitro and in vivo systems. My research uses complex tracer studies and mathematical modelling to identify and quantitate pathways of lipid metabolism in normal and diseased states prior to and following lifestyle and/or pharmacological interventions. The focus of my research is on cardiovascular disease risk reduction.
Sphingosine Kinase: A Target For Obesity-induced Insulin Resistance
Funder
National Health and Medical Research Council
Funding Amount
$626,845.00
Summary
Insulin resistance, a characteristic of type 2 diabetes, is linked to abnormal metabolism of lipid (fat) in tissues such as liver and muscle. This project aims to identify a novel pathway which may promote a build up of lipids in liver and therefore leads to the development of type 2 diabetes. This work may provide a basis for understanding and optimizing treatment of insulin resistance by regulating the control of fat metabolism in liver.
REGULATION OF LIPID METABOLISM IN SKELETAL MUSCLE BY IDOL – A Novel Degrader Of The Very Low Density Lipoprotein Receptor
Funder
National Health and Medical Research Council
Funding Amount
$557,162.00
Summary
More than 1 in 5 Australians are estimated to have increased levels of fats (triglycerides; TGs) in the blood, commonly due to excess dietary intake or genetics. The excess TGs are deposited in skeletal muscle where they can cause insulin resistance, increasing the risk of developing diabetes, the fastest growing chronic condition in Australia. I will examine whether a recently identified protein, IDOL, can reduce accumulation of TGs in skeletal muscle and protect against insulin resistance.
Blocking IL-6 Trans-signaling: A Therapeutic Strategy To Prevent Metabolic Disease
Funder
National Health and Medical Research Council
Funding Amount
$540,636.00
Summary
It is well known that blocking the recruitment of specific immune cells namely macrophages to adipose tissue of obese patients will improve their metabolic health. However, to date, a viable drug to do this has remained elusive. We have developed such a drug called sgp130Fc. This project will test the effectiveness of this drug in a pre-clinical setting.
The CDP Ethanolamine Pathway: A New Player In Obesity Induced Insulin Resistance
Funder
National Health and Medical Research Council
Funding Amount
$652,372.00
Summary
Insulin resistance, a characteristic of type 2 diabetes, is linked to abnormal metabolism of lipid (fat) in tissues such as liver and muscle. This project aims to identify a novel pathway which may promote a build up of lipids in muscle and therefore leads to the development of type 2 diabetes. This work may provide a basis for understanding and optimizing treatment of insulin resistance by regulating the control of fat metabolism in muscle.
Activation Of HSP72 In Skeletal Muscle As A Therapeutic Target For Obesity
Funder
National Health and Medical Research Council
Funding Amount
$656,033.00
Summary
We recently discovered that activation of a protein, namely Heat Shock Protein 72, can prevent obesity and insulin resistance in mice. We have developed a small molecule activator of this protein which has undergone preliminary human clinical trials. This project will extend upon this initial finding to determine the precise mechanism by which activation of this protein prevents obesity and insulin resistance.
Understanding The Metabolic Consequences Of Impaired AMPKa2 And NNOS� In Skeletal Muscle: Implications For The Metabolic Syndrome
Funder
National Health and Medical Research Council
Funding Amount
$575,527.00
Summary
The inability of muscle to utilise sugar from the blood is a major problem that contributes to obesity and Type 2 diabetes. Since the number of people with these diseases will at least double by 2030, we need to find out what causes this problem. We will examine whether two muscle proteins that are impaired in obesity and Type 2 diabetes are also responsible for impaired sugar utilisation. We think that increasing these muscle proteins will fix the _sugar problem�, and remedy these diseases.
An Integrated Approach To Identify The Molecular Mechanisms Contributing To The Pathogenesis Of Insulin Resistance: Targeting The Liver And Skeletal Muscle
Funder
National Health and Medical Research Council
Funding Amount
$415,218.00
Summary
The inability of muscle and liver to utilise sugar from the blood is a major problem that contributes to the development of obesity and diabetes. How these problems occur is unknown. The goal of my research is to identify what causes the muscle and liver problem, and whether fixing these problems will reduce obesity and diabetes. Since the number of people with obesity and diabetes is predicted to double over the next decade, we need to understand the cause of these diseases.
Does Periodic Fasting Improve Insulin Sensitivity And Metabolic Health In Humans?
Funder
National Health and Medical Research Council
Funding Amount
$846,891.00
Summary
A large body of evidence for the health benefits and life-extending properties of dietary restriction exists. Recent findings suggest that periods of fasting can have beneficial effects, even without an overall reduction in caloric intake. This proposal will compare periodic fasting with and without weight loss, versus daily caloric restriction on metabolic health outcomes in humans and examine mechanisms that may contribute to this effects.