Understanding vasoactive hormone pathways in diabetic complications

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/317832

Funding Status
Closed

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Funded Activity Summary

High blood pressure damages tissues. In clinical practice blood pressure is measured in large arteries, such as the brachial artery in the arm. However, it is the pressure within the organ such as the kidney that actually causes the damage. In particular, the sieving apparatus of the kidney (called the glomerulus), is especially sensitive to the effects of pressure. In diabetes, the pressure within the glomerulus is high because its outflow valve (called the efferent arteriole) is tightly constricted. Therefore even if blood pressure is thought to be normal when measured in the arm, it may still be excessively high within the kidney. Studies have already shown that lowering within-kidney pressure may have a major impact on the progression of kidney disease in diabetes. However, to date this reduction of within-kidney pressure has been sub-maximal. The planned studies will involve the use of new compounds which have more powerful effects in reducing the formation or action of hormones which promote constriction of vessels in the kidney leading to elevated pressure within the kidney. Furthermore, some of these very new agents can open up or dilate these kidney vessels thereby achieving excellent reductions in the pressure inside the kidney. The proposed studies aim to examine new strategies for preferentially lowering pressure within the kidney down to these ideal levels. These hormones also have other effects which could be relevant to non-kidney sites of injury in diabetes including blood vessels and the retina.

Funded Activity Details

Start Date: 01-01-2005

End Date: 01-01-2007

Funding Scheme: NHMRC Project Grants

Funding Amount: $453,750.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Endocrinology

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

ACE | Diabetes | Diabetic complications | Hypertension | Nephropathy | Progessive renal disease | Renin angiotensin system

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