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Epigenetic Determinants Of Nephropathy In Adults With Type 1 Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$532,118.00
Summary
The prevention and successful management of diabetic complications are issues of utmost importance for the health of Australians. We hypothesize that epigenetic pathways partly determine why some individuals with diabetes develop complications of their disease, while others do not, despite a similar duration of diabetes, treatment intensity and mean glucose exposure.
JDRF/NHMRC Diabetes Complications Centre Of Research Excellence
Funder
National Health and Medical Research Council
Funding Amount
$2,607,291.00
Summary
Despite intensive intervention some individuals with type 1 diabetes develop complications. There remains an urgent need for means to identify patients at risk of complications and new targets and therapies for preventing, arresting, treating and reversing them. The primary objective of the Diabetes Complications Centre of Research Excellence (DC-CRE) is to translate novel experimental findings into preventive/treatment strategies for the management of diabetes and its complications.
Characterisation Of Novel AGE Binding Proteins: Implications For Diabetic Vascular Complications.
Funder
National Health and Medical Research Council
Funding Amount
$210,990.00
Summary
This project will explore a process known as advanced glycation and in particular how this may lead to organ injury in diabetes. Diabetes is characterised by sustained elevation of blood glucose levels which interact with proteins to generate products known as advanced glycation end-products (AGEs). These AGEs bind to other proteins some of which have been isolated and are considered receptors. Our own group has identified a new family of proteins known as ERM proteins which bind to AGEs. This i ....This project will explore a process known as advanced glycation and in particular how this may lead to organ injury in diabetes. Diabetes is characterised by sustained elevation of blood glucose levels which interact with proteins to generate products known as advanced glycation end-products (AGEs). These AGEs bind to other proteins some of which have been isolated and are considered receptors. Our own group has identified a new family of proteins known as ERM proteins which bind to AGEs. This is a highly novel finding which now needs to be examined in more detail. The ERM proteins which include ezrin, radixin and moiesin are found at many sites of diabetic complications including the kidney, retina and blood vessel wall. They have a number of functions including effects on cell adhesion and cell structure. This is important in diabetes where changes in cells including altered structure have been observed. This grant will characterise the interactions between AGEs and ERM proteins at the molecular and cellular level. It will define how AGEs influence cells via interactions with ERM proteins. These studies have the potential to lead to treatments that may modulate the AGE-ERM interactions, thereby retarding or preventing diabetic vascular complications. These complications are of important clinical significance since they are the major cause of morbidity and mortality in the diabetic population. Furthermore, diabetes is a major cause of premature atherosclerosis in our community, diabetic kidney disease is the leading cause of end-stage renal failure in the Western world and diabetic retinopathy (eye disease) is the main cause of blindness in the working age population.Read moreRead less
E-PREDICE Early Prevention Of Diabetes Complications In Europe
Funder
National Health and Medical Research Council
Funding Amount
$917,400.00
Summary
The e-PREDICE study will randomise 3000 people aged 45-74 with mild hyperglycaemia or early diabetes to treatment with intensive lifestyle modification alone, or plus metformin, or sitagliptin, or liraglutide, aiming to reduce diabetes eye, kidney and nerve damage. The Australian arm will be co-ordinated by the University of Sydney and other sites include Baker IDI Heart and Diabetes Institute, Royal Melbourne Hospital, St Vincent’s Hospital Melbourne and Royal Brisbane and Womens Hospital
Non-invasive Detection Of Hypoglycaemia In People With Diabetes Using Brain Wave Activity
Funder
National Health and Medical Research Council
Funding Amount
$330,447.00
Summary
Hypoglycaemia remains a major cause of morbidity and mortality in people with both type 1 diabetes and type 2 diabetes who require insulin therapy. Current treatments for nocturnal hypoglycaemia are usually ineffective. Combining brain wave recording and artificial intelligence, we will identify the changes that precipitate an episode of hypoglycaemia allowing the development of a non-invasive device to prevent or alleviate these fearful and potentially life-threatening events.
My research focuses on the mechanisms responsible for diabetic kidney and heart complications with an emphasis on identifying novel targets as the basis for developing new treatment to reduce the burden of these complications. It is hypothesised that diabetic complications arise as a result of a number of key factors, the most important being chronic elevation of blood glucose.
An Autoantibody In Type 1 Diabetes That Mediates Autonomic Complications
Funder
National Health and Medical Research Council
Funding Amount
$254,591.00
Summary
Type 1 diabetes is a chronic autoimmune disease characterised by destruction of insulin producing cells in the pancreas. One of the most common and serious complications of type 1 diabetes is disruption of the autoimmune nervous system, and once symptoms appear the 5-year mortalityrate is approximately 50%. Symptoms of autonomic dysfunction can be extensive, and involve the stomach, intestine, bladder, heart and reproductive organs. Currently, the management of autonomic dysfunction remains prim ....Type 1 diabetes is a chronic autoimmune disease characterised by destruction of insulin producing cells in the pancreas. One of the most common and serious complications of type 1 diabetes is disruption of the autoimmune nervous system, and once symptoms appear the 5-year mortalityrate is approximately 50%. Symptoms of autonomic dysfunction can be extensive, and involve the stomach, intestine, bladder, heart and reproductive organs. Currently, the management of autonomic dysfunction remains primative due to our poor understanding of the mechanisms underlaying the disease. Recent work from our group has identified an excitatory autoantibody (an antibody against the self) to calcium channels in patients with type 1 diabetes. The anti-calcium channel autoantibody profoundly disrupts gut and bladder function by interfering with autonomic regulation of smooth muscle within these organs. The anti-calcium channel autoantibody is the first functional autoantibody to be detected in type 1 diabetes, and represents a conceptual advance in our understanding of immune mechanisms in this disease. Using animal models and a panel of novel, functional assays of colon, stomach and bladder we will investigate how the anti-calcium channel autoantibodies contribute to autonomic dysfunction in type 1 diabetes. Understanding the mechanisms by which this autoantibody effects autonomic regulation of organ function will enable the development of new therapeutic strategies for better management of patients.Read moreRead less
The Relationship Between Non-Alcoholic Fatty Liver Disease And Type 2 Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$133,351.00
Summary
Non alcoholic Fatty Liver Disease (NAFLD) threatens to become a major public health problem. Its increasing prevalence is associated with parallel increases in obesity and diabetes. This study aims to understand the mechanisms involved in progression to liver failure and liver cancer in the setting of diabetes and the impact of NAFLD on blood sugar levels and diabetes complications (esp. cardiovascular). Using a recently developed animal model of type 2 diabetes and fatty liver, it will better d ....Non alcoholic Fatty Liver Disease (NAFLD) threatens to become a major public health problem. Its increasing prevalence is associated with parallel increases in obesity and diabetes. This study aims to understand the mechanisms involved in progression to liver failure and liver cancer in the setting of diabetes and the impact of NAFLD on blood sugar levels and diabetes complications (esp. cardiovascular). Using a recently developed animal model of type 2 diabetes and fatty liver, it will better define a novel therapeutic agent.Read moreRead less