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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.
Dietary Nutrients As Novel Therapeutic Approaches To Appetite Regulation In Health And Disorders Of Eating
Funder
National Health and Medical Research Council
Funding Amount
$687,975.00
Summary
The goal of the proposed work is to translate the discoveries from our research on the effects of dietary nutrients, including specific fatty acids and amino acids, on energy intake suppression and blood glucose control into novel, and effective, nutrient-based prevention, management and treatment strategies for people with obesity and type 2 diabetes. Thus, our work will not only generate important new knowledge, but also lead to major health outcomes for the benefit of the general public.
This research is directed toward an understanding of the role of the brain and other organs in the control of how much food we eat, how much energy we expend and how energy sources such as fat and glucose are used and stored. We use animals to help provide this information and focus on areas of body weight control ranging from models of bariatric surgery to studies of the ways that weight loss drugs act in the brain to reduce food intake and increase energy expenditure.
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.
Most common diseases of ageing like diabetes and cancer have proven intractable because much of our knowledge is limited to individual molecules. This proposal takes a global approach to complex diseases, utilising quantitative high-resolution methods and computational modelling. This research will lead to a completely new way of thinking about complex diseases providing a range of completely novel treatment options.
Studies On The Biochemistry And Molecular Biology Of Amyloidosis
Funder
National Health and Medical Research Council
Funding Amount
$664,584.00
Summary
Amyloidoses are a group of diseases in which protein is abnormally deposited in various organs of the body. The prototypic amyloidosis is Alzheimer's disease (AD), a dementia causing-illness in which a protein known as Abeta is deposited in the brain. The central aim of my research is to understand the molecular etiology of AD and other amyloidoses, with a view to identifying new targets for drug development.
Enzymes that generate or degrade peptides serve important roles - alterations in their activity can impact on a diverse range of physiological processes in healthy and diseased states. Angiotensin is a peptide that plays a critical role in regulating blood pressure and fluid balance - drugs that block the activity of its processing enzymes forms an important class of medication used to treat hypertension and heart disease. My research interest is in discovering novel roles for these enzymes.
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.