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To Improve The Accuracy And Precision Of Estimated GRF (eGFR) Measurements In Indigenous Australians
Funder
National Health and Medical Research Council
Funding Amount
$959,349.00
Summary
There is an overwhelming burden of chronic disease in Indigenous Australians. In order to attempt to improve kidney disease in this high-risk population, it is vital that we are able to accurately measure kidney function. This study will provide evidence to accurately assess kidney function in Indigenous Australians. This will then enable development of appropriate clinical guidelines and more effective monitoring of future interventions to slow progression of kidney disease.
Role Of The Podocyte In Diabetic Nephropathy: Structural, Functional, Molecular And Interventional Studies
Funder
National Health and Medical Research Council
Funding Amount
$227,036.00
Summary
Kidney disease is a major cause of disability and premature death in the Australian population. In disease the kidney's ability to filter out impurities and toxins in blood is impaired as a consequence of excessive cell growth and scar tissue formation. Studies from our group indicate that a highly specialised cell within the kidney's filtering apparatus becomes altered early in the course of diabetes. In the setting of diabetes, this cell, called the podocyte, stretches and begins forming scar ....Kidney disease is a major cause of disability and premature death in the Australian population. In disease the kidney's ability to filter out impurities and toxins in blood is impaired as a consequence of excessive cell growth and scar tissue formation. Studies from our group indicate that a highly specialised cell within the kidney's filtering apparatus becomes altered early in the course of diabetes. In the setting of diabetes, this cell, called the podocyte, stretches and begins forming scar tissue. In addition, it no longer maintains its barrier function and starts to leak protein. The proposed studies will explore the mechanisms that lead to these diabetes-induced changes in the podocyte. In addition, strategies for reversing these changes will also be explored in detail with the aim of providing new treatments for diabetic kidney disease.Read moreRead less
Role Of Chromatin Remodelling In Diabetic Renal And Vascular Complications: In Vivo Studies
Funder
National Health and Medical Research Council
Funding Amount
$474,618.00
Summary
Even after diabetics return to improved blood glucose levels after a period of poor blood glucose control, the kidney and blood vessel complications progress. The cause of this metabolic memory remains unexplained. This proposal focuses on sustained changes as a result of prior glucose levels in proteins called histones that are part of the wrapping of DNA. Using a new technique called carrier ChIP we will study histone modifications in the blood vessels and kidneys in diabetes.
Cytosolic Oxidative Disturbances As A Source Of Mitochondrial Dysfunction In Diabetic Nephropathy
Funder
National Health and Medical Research Council
Funding Amount
$505,786.00
Summary
There is a critical need to identify new therapies for the growing number of patients with diabetic kidney disease. Current medicines only retard progressive disease. Our studies investigate defects in the power houses of the cell, the mitochondria. These defects cause generation of toxic free oxygen radicals which eventually starve the cell of energy production. Therefore, reversal of mitochondrial defects in diabetic kidney disease may be a novel therapeutic target.
The Role Of Angiotensin Converting Enzyme 2 In Diabetic Complications
Funder
National Health and Medical Research Council
Funding Amount
$453,144.00
Summary
Most heart attacks and strokes arise from narrowing of the arteries. This process is regulated by a number of hormonal pathways. One of the most important is the renin angiotensin system. Our group has demonstrated important changes in this pathway which play a pivotal role in regulating the development of atherosclerosis and its response to treatment. It is predicted that these studies will provide critical information to develop innovative treatment strategies for cardiovascular disease.
Growth Factors And Their Effect On MicroRNAs And Transcription Factors In Tubulointerstitial Fibrosis In Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$490,202.00
Summary
A common cause of kidney disease is diabetes and is partly related to increased expression and action of growth factors such as CTGF. These factors promote the deposition of scar tissue in the kidney by acting on a novel class of intracellular regulator molecules called microRNAs, to change the cell's characteristics such that cells begin laying down excess collagen. This proposal will focus on how growth factors act on microRNAs and the role of microRNAs in diabetic kidney disease.