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Cell Death In The Retina: Analysing The Switch That Triggers Dependency On Target-derived Trophic Factors
Funder
National Health and Medical Research Council
Funding Amount
$428,414.00
Summary
Construction of the developing nervous system in the embryo involves the creation of nerve cells and their connections, but also involves loss of a proportion of these cells prior to maturation. We will study this process of cell death and how developing nerve cells switch on their dependency to survival factors. In so doing we will better understand what happens when brain development goes wrong and also devise new ways to protect nerve cells in the injured or degenerate adult nervous system.
What Is The Effect Of Alzheimer’s Disease On Eye And Can Ocular Changes Be Used As Biomarker For Alzheimer’s Disease?
Funder
National Health and Medical Research Council
Funding Amount
$718,002.00
Summary
Visual symptoms are frequent early complaints in Alzheimer’s (AD) patients. Examining eyes can be a simple, specific and inexpensive way to assess and diagnose AD and fill in an urgent need for a viable biomarker. Retina is unique part of central nervous system that can be imaged non-invasively and thus serves as a ‘window to the brain”. Monitoring the eyes will also help prevent negative effects of AD on vision by way of timely intervention, in addition to providing mechanistic insights in AD.
Is The Eye A Window To The Brain In Sanfilippo Syndrome?
Funder
National Health and Medical Research Council
Funding Amount
$852,967.00
Summary
Study of the retina and optic nerve permits evaluation of central nervous system – these structures contain both neurons and glia and are outgrowths of the developing brain. Therefore, eye examination may allow us to study the brain and monitor brain disease and the effect of therapy. This project will determine whether brain disease in a childhood-onset disorder (Sanfilippo syndrome) and treatment of it, can be monitored in this way.
Assessing The Efficacy Of Safe And Simple Neuroprotective Treatments For Chronic Degenerative Conditions Of The Central Nervous System
Funder
National Health and Medical Research Council
Funding Amount
$311,860.00
Summary
Current treatments for age-related diseases of the central nervous system (CNS) are limited. We have shown in animal models of acute CNS degenerations that treatment with saffron or low energy infrared light is strongly protective. This project will determine if these treatments prevent CNS damage and dysfunction in animal models of chronic degenerations and add to knowledge of how these treatments work. This research should lay the foundation for testing these novel treatments in humans.
Central Nervous System Dendritic Cells – Guilty Or Not Guilty?
Funder
National Health and Medical Research Council
Funding Amount
$481,594.00
Summary
The central nervous system although structurally and functionally unique, must be able to mount protective immunological responses. However, breakdown in local and central immunoregulatory processes can lead to clinically disabling inflammatory conditions such as uveitis and multiple sclerosis. This project will investigate the role of Dendritic cells in models of autoimmune diseases affecting the eye and brain. The data will greatly aid our ability to design new immunotherapies to treat these b ....The central nervous system although structurally and functionally unique, must be able to mount protective immunological responses. However, breakdown in local and central immunoregulatory processes can lead to clinically disabling inflammatory conditions such as uveitis and multiple sclerosis. This project will investigate the role of Dendritic cells in models of autoimmune diseases affecting the eye and brain. The data will greatly aid our ability to design new immunotherapies to treat these blinding and crippling diseases.Read moreRead less
Retinal Microvascular Signs In Acute Stroke: Prognostic Significance And Relevance To Underlying Pathophysiology
Funder
National Health and Medical Research Council
Funding Amount
$375,425.00
Summary
This project will describe abnormalities of the blood vessels of the retina in patients with stroke. Stroke is a common problem affecting some 48,000 Australians each year. Despite medical progress, stroke is commonly fatal (the third leading cause of death) and the leading cause of serious acquired disability in older people. This project will obtain detailed photographs of patients admitted to hospital with acute stroke. The acquired digital images will be analysed using new methods that asses ....This project will describe abnormalities of the blood vessels of the retina in patients with stroke. Stroke is a common problem affecting some 48,000 Australians each year. Despite medical progress, stroke is commonly fatal (the third leading cause of death) and the leading cause of serious acquired disability in older people. This project will obtain detailed photographs of patients admitted to hospital with acute stroke. The acquired digital images will be analysed using new methods that assess size of the small retinal arteries compared to veins (the arteriole-to-venule ratio) and will document other abnormalities, such as microaneurysms, haemorrhages, tortuosity and focal and generalised vessel narrowing and wall opacity. In normal populations these signs are associated with hypertension, inflammation and endothelial dysfunction and predict future stroke. These signs, and their significance have not been systematically studied in acute stroke. This may offer a window into the brain for important subgroups of stroke such as lacunar stroke. It is increasingly hard (and remains technically very difficult) to study the cause of lacunar stroke, affecting 10,000 Australians each year, as lacunar stroke has a lower fatality rate (and thus few opportunities for post mortem studies) but a high disability rate. Lacunar stroke is known to be due to small vessel disease but the exact nature of this disease is unknown. Echocardiography (to identify heart and major blood vessel abnormalities) and carotid duplex scanning (to identify critical stenosis of the major blood supply to the brain) are commonly normal in this type of stroke, and brain scanning with computerised tomography (CT) or magnetic resonance (MR) merely shows the outcome of the small vessel disease. The eye develops as part of the brain and thus retinal vascular abnormalities could add important knowledge to our understanding of stroke and add clinically useful data in the assessment of patients with stroke.Read moreRead less