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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.
Targeting The Sympathetic Nervous System To Reduce The Burden Of Fatty Liver Disease
Funder
National Health and Medical Research Council
Funding Amount
$728,152.00
Summary
The metabolic syndrome is characterised by abdominal obesity, high blood pressure and an increased risk of diabetes development. It is clear from our own observations that the sympathetic nervous system (SNS) is important in the generation of obesity-related illness and, through its stimulation of the liver, plays an important role in the development of obesity-related liver disease. We will target the SNS in order to reduce the burden of obesity-related liver disease.
Polycystic Ovary Syndrome - Targeting The Sympathetic Nervous System To Improve Outcomes
Funder
National Health and Medical Research Council
Funding Amount
$353,140.00
Summary
Polycystic ovary syndrome (PCOS) affects approximately 10% of women of reproductive age, rendering it a major public health issue. Due to the combined development of abdominal obesity, hypertension and insulin resistance patients with PCOS are at increased risk of developing heart disease. The etiology of PCOS remains unknown but work by us implicates involvement of the sympathetic nervous system. We aim to elucidate the role of the sympathetic nervous system in PCOS and to examine the effect of ....Polycystic ovary syndrome (PCOS) affects approximately 10% of women of reproductive age, rendering it a major public health issue. Due to the combined development of abdominal obesity, hypertension and insulin resistance patients with PCOS are at increased risk of developing heart disease. The etiology of PCOS remains unknown but work by us implicates involvement of the sympathetic nervous system. We aim to elucidate the role of the sympathetic nervous system in PCOS and to examine the effect of pharmacological treatment targeting this system.Read moreRead less
Investigation Of A New Hypothesis That Increased TGF? Activity In Developing Fetal Organs Predisposes A Women To Polycystic Ovary Syndrome And Associated Metabolic Disorders
Funder
National Health and Medical Research Council
Funding Amount
$583,015.00
Summary
Have you ever wondered why some people get fat and other do not, no matter how much they eat? The answer could lie in what happened before they were born. This project investigates a new hypothesis that was developed from discoveries on polycystic ovary syndrome. Women with this syndrome are at increased risk of becoming overweight and diabetic. If the hypotheses prove correct it might be possible to reduce the incidence of these metabolic disorders in the longer term.
Metabolic Wiring In Adipocytes - Unique Role In Maintaining Long-term Health
Funder
National Health and Medical Research Council
Funding Amount
$1,077,886.00
Summary
Fat cell metabolism is wired to optimize the cell’s ability to make and store lipid while programming the cell to fulfil its function in whole body metabolism. We will: 1) map fat cell metabolism under optimal and insulin resistant conditions; 2) explore the role of 3 nodes in his metabolic circuit predicted as control points; 3) use a novel genetically engineered mouse model to explore the functional significance of fat cell metabolism in whole body insulin sensitivity.
Can Vitamin D Prevent Diabetes By Improving Insulin Sensitivity And Secreation In Overweight Humans?
Funder
National Health and Medical Research Council
Funding Amount
$715,371.00
Summary
Vitamin D is mainly produced by the action of sunlight on skin. Low levels of vitamin D are becoming more common, as we work more indoors and avoid the sun and have been associated with type 2 diabetes. In proposed study, healthy overweight people, with low vitamin D, will be given vitamin D for 16 weeks to optimise blood levels of this vitamin. We will examine the changes in sugar metabolism. This study should provide important evidence on how vitamin D protects against diabetes and will suppor ....Vitamin D is mainly produced by the action of sunlight on skin. Low levels of vitamin D are becoming more common, as we work more indoors and avoid the sun and have been associated with type 2 diabetes. In proposed study, healthy overweight people, with low vitamin D, will be given vitamin D for 16 weeks to optimise blood levels of this vitamin. We will examine the changes in sugar metabolism. This study should provide important evidence on how vitamin D protects against diabetes and will support novel approaches to diabetes prevention.Read moreRead less
Dissecting The Role Of Selective Insulin Resistance In Type 2 Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$980,624.00
Summary
Insulin resistance is a clinical condition where insulin, secreted from the pancreas in response to meals, is unable to fulfill its normal function. It is intimately linked to obesity and associated diseases - type 2 diabetes, cancer and cardiovascular disease. This proposal examines mechanisms contributing to insulin resistance and how insulin resistance leads to disease. We will identify drug targets with improved specificity and lead to novel insight into the risks of current treatments.
Does Exercise Increase Skeletal Muscle Insulin Sensitivity Via Nitric Oxide?
Funder
National Health and Medical Research Council
Funding Amount
$562,815.00
Summary
Almost one in four Australian adults have either diabetes or impaired glucose metabolism. A major benefit of exercise is that it increases the sensitivity of muscle to insulin for many hours after the exercise is completed. We don't fully understand the mechanisms that exercise increases muscle insulin sensitivity. If we discover how nitric oxide production during exercise is involved, drugs that mimic these exercise effects may be designed to benefit those with diabetes.
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.
Lipid Metabolism In The Hypothalamus: Implications For Obesity And Diabetes Development
Funder
National Health and Medical Research Council
Funding Amount
$592,915.00
Summary
Obesity is defined by excessive fat storage and defective lipid metabolism, not only in adipose tissue, but also in most tissues throughout the body. Obesity-induced changes in lipid metabolism extends to the brain and is associated with impaired cognitive function. This work aims to determine how obesity affects neurons in the key feeding centres of the brain, and whether excessive lipid storage in neurons induces changes in body weight regulation and metabolism.