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Manipulation Of Energy Metabolism To Control Lipid Accumulation And Insulin Action.
Funder
National Health and Medical Research Council
Funding Amount
$804,106.00
Summary
I am a metabolic biochemist investigating how overconsumption of calories, particularly fat, results in dysfunctional energy metabolism and increased the risk of type 2 diabetes. I examine changes in the daily rhythms of energy intake, energy utilisation and energy storage in different tissues of dietary and genetically modified animals to pinpoint novel ways of reducing fat accumulation and reducing the risk of type 2 diabetes.
Obesity is associated with type 2 diabetes, fatty liver disease, cardiovascular disease and cancer. These inter-related diseases reduce life expectancy and their treatments come at an enormous financial cost. The overriding aim of this work is to understand the molecular and cellular regulation of lipid metabolism in skeletal muscle, liver and adipose tissue, and how this impacts endocrine function to affect the pathogenesis of types 2 diabetes and prostate cancer.
Lipidomics Of Obesity, Type 2 Diabetes And Cardiovascular Disease
Funder
National Health and Medical Research Council
Funding Amount
$727,765.00
Summary
Obesity, type 2 diabetes and cardiovascular disease are major health problems in Australia and result in many tens of thousands of deaths each year. Changes in our metabolism lead to an imbalance in lipids (fats) circulating in our blood (dyslipidemia) which contributes to the disease process. This project will characterise these changes in circulating lipids to develop new tests to identify those at greatest risk of disease so that early treatment can be provided.
The key goal of my research is to understand the role of protein phosphorylation in controlling metabolism, with a special emphasis on the structure and function of members of the AMP-activated protein kinase (AMPK) pathway. This is important because the function and survival of all organisms is dependent on the dynamic control of energy metabolism, with energy demand matched to energy supply.
In patients predisposed to metabolic diseases, excessive fats get delivered to various tissues. About 10 to 15% are converted into sphingolipids, many of which have deleterious effects on tissue function. Blocking sphingolipid production prevents diabetes and most cardiovascular diseases in rodents. We seek to better understand these mechanisms and determine how the observations can be translated into new therapies and better clinical outcomes.
Prof Trevor Mori has held an NH&MRC Research Fellowship during 2008-2012. This grant will enable him to continue his research program into 2013-2017. Prof Mori is a biomedical research scientist. His research examines the role of diet and lifestyle on risk factors for cardiovascular disease. He also leads the cardiometabolic team examining risk factors in the Western Australian Pregnancy (Raine) Study.
Lipid Biology For Prediction And Prevention Of Psychotic Disorders And Persistent Depression In Young People
Funder
National Health and Medical Research Council
Funding Amount
$638,517.00
Summary
My vision for the next 5 years is to establish ?-3PUFAs as a first-line treatment for indicated prevention of psychosis and persistent depression, as an alternative to conventional antidepressants for the treatment of moderate-to-severe depressive symptoms in adolescents and to build capacity in this area by training the next generation of researchers.
Many dietary recommendations are inconsistent and based on inadequate research based on 1970s technologies. As a result, the current recommendations are almost impossible to meet from foods, without nutritional supplements. Using state-of-the-art technology, this research aims to redefine the nutritional requirements omega-3 long chain polyunsaturated fatty acids, iron and iodine, as well as the correct balance of energy producing macronutrients in the diet of mothers and their children.
I am a cell /whole body integrative biologist determining the cellular and molecular mechanisms that lead to insulin resistance in insulin sensitive tissues such as skeletal muscle, liver and adipose tissue. My work primarily focuses on targeting inflammatory signalling cascades that lead to impaired insulin action, and pathways that enhance energy utilization.