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Control Of Cardiac And Skeletal Contractility By Luminal Calcium Store Load In Health And Disease
Funder
National Health and Medical Research Council
Funding Amount
$415,138.00
Summary
Disorders affecting skeletal muscle and the heart can have life threatening effects and lead to impaired mobility and sudden cardiac death. This project will uncover the mechanisms of disorders which lead to skeletal muscle fatigue, chemotherapy induced toxicity in the heart and heart failure. Understanding these mechanisms may lead to successful gene therapy treatment and to the design of a new range of drug therapies to treat these devastating disorders.
The Critical Roles Of Heme Oxygenase-1 In The Response To Ischemia
Funder
National Health and Medical Research Council
Funding Amount
$690,593.00
Summary
Heme oxygenase-1 is a protein that recycles our body's iron which itself is essential for life because it is needed for the sensing, transport and use of oxygen we breath. The current project investigates a novel interplay between heme oxygenase-1 and our body’s major response to tissue oxygen becoming limited. By doing so, our project may provide the basis for novel treatments of conditions where arteries are obstructed, such as those that lead to heart attack and amputation.
Role Of Microvascular Flowmotion In Skeletal Muscle Glucose Metabolism
Funder
National Health and Medical Research Council
Funding Amount
$596,971.00
Summary
Obesity and type 2 diabetes are nationally and globally reaching epidemic rates. This project investigates the regulation of blood flow within muscle and its impact on metabolism. Outcomes from the study may lead to diagnostic tools and treatments for cardiovascular disease associated with obesity, hypertension and type 2 diabetes.
Protective Role Of The Depressor Arm Of The Renin-angiotensin System During Pregnancy
Funder
National Health and Medical Research Council
Funding Amount
$633,384.00
Summary
The motivation for unveiling the normal hormonal and molecular mechanisms involved in the extraordinary vasodilatation associated with pregnancy is that understanding these fundamental processes may provide novel insights into the pathophysiology of preeclampsia and intrauterine growth restriction, as well as potential therapeutic strategies for not only the treatment of these pregnancy specific conditions but also cardiovascular and renal diseases in non-pregnant women and men.
Identification Of Novel Secretory Factors From The Heart As New Targets For Metabolic Disease
Funder
National Health and Medical Research Council
Funding Amount
$864,012.00
Summary
The incidence of obesity, type 2 diabetes and cardiovascular disease is rising at an alarming rate. The communication between the heart and distal tissues represents an exciting and emerging research area which has the potential to result in the identification of new targets and therapies. Here we will identify novel circulating proteins which could be developed as innovative therapies and ultimately translated into the clinic.
In Vivo Studies On Ventriculo-vascular Coupling And The Role Of Aortic Pressure Wave Morphology On Coronary Blood Flow
Funder
National Health and Medical Research Council
Funding Amount
$137,700.00
Summary
Heart disease is a leading cause of death and disability in Australia. Conditions resulting in reduced blood flow to the heart are particularly common and dangerous. Despite significant progress, we still do not understand exactly how changes in heart function and the aorta (the major artery arising from the heart) affect blood flow to the heart. This study will utilise sophisticated new techniques to look at the interactions between heart function, pressure in the aorta and coronary blood flow
Unique Isoform-specific Regulation Of Cardiac Ryanodine Receptors By Calcium Store Proteins
Funder
National Health and Medical Research Council
Funding Amount
$421,160.00
Summary
The importance of proteins that regulate calcium stores of heart muscle is graphically illustrated by massive changes in cell structure and function, which lead to ventricular fibrillation and fatality when the proteins are disrupted. We recently made the remarkable discovery that the proteins have a unique action in the heart which enhances cardiac contraction. We will discover the interaction sites between the proteins and will define novel therapeutic targets for heart failure.
Actions Of The Polyphenol Epigallocatechin 3-gallate On Insulin Sensitivity
Funder
National Health and Medical Research Council
Funding Amount
$409,746.00
Summary
This project will determine whether the bioactive compound in green tea (called EGCG) can reduce insulin resistance by enhancing the ability of insulin to open very small blood vessels (called capillaries) in muscle. Opening more capillaries will help glucose to be stored in muscle, thus alleviating insulin resistance. Findings from these studies may have important impact on the management of insulin resistance and type 2 diabetes.
Mechanisms Of Vascular Dysfunction During Acute And Chronic Hyperglycemia
Funder
National Health and Medical Research Council
Funding Amount
$56,700.00
Summary
Increased consumption of sugary drinks has contributed to an epidemic of obesity and diabetes and consequently cardiovascular disease. For the first time in living memory, this may well lead to declining life-expectancy. My research will examine both the short and long-term impact of sugary drinks on vital blood vessel function. In the process it will develop better methods to monitor blood vessel function and inform public health policy on sugary drinks and preventing cardiovascular disease.
Novel Small Molecule FosB/AP-1 Inhibitors For The Prevention Of Proliferative Vascular Disorders
Funder
National Health and Medical Research Council
Funding Amount
$343,597.00
Summary
This project examines the effect of a novel FosB/AP-1 inhibitor (LK001) on neointima formation after injury in animal models of restenosis, atherosclerosis and abdominal aortic aneurysm, and a human ex vivo model of graft stenosis Given the current prevalence of CVD in Australia and the increasing demographic of susceptible individuals in the ageing population, this project has enormous clinical implications.