An Extended Follow-up Of Stroke Patients For Cognitive Impairment And Neuropsychiatric Disorders: Sydney Stroke Study
Funder
National Health and Medical Research Council
Funding Amount
$321,800.00
Summary
Vascular Dementia (VaD) is the second most common cause of dementia after Alzheimer's disease. In fact, it may be a preventable cause of dementia. Yet it has been relatively neglected by researchers until the last decade, which has seen an upsurge of interest in this disorder. There is no consensus on the criteria for dementia. The profile of early cognitive impairment due to vascular factors is still poorly understood, and the longitudinal course of VaD as defined by modern criteria has not bee ....Vascular Dementia (VaD) is the second most common cause of dementia after Alzheimer's disease. In fact, it may be a preventable cause of dementia. Yet it has been relatively neglected by researchers until the last decade, which has seen an upsurge of interest in this disorder. There is no consensus on the criteria for dementia. The profile of early cognitive impairment due to vascular factors is still poorly understood, and the longitudinal course of VaD as defined by modern criteria has not been studied. There have been few studies of the progressive changes in MRI in patients with cerebrovascular disease. The overlap of VaD and Alzheimer's disease (AD) remains a problem for taxonomists and clinicians. One approach to the study of VaD is to examine a high risk group of subjects longitudinally to determine the early features, the risk factors and progressive changes. With this in mind, we began studying a cohort of stroke patients who are at high risk of VaD, in 1997-1999, and are following them longitudinally. The follow-up is now in its third year, and three neuropsychological assessments and two MRI-MRS scans have been performed. We propose to extend the follow-up to 5 years, with repeat neuropsychiatric, neuropsychological and MRI-MRS investigations, and wherever possible to necropsy, to determine the nature of vascular pathology that underlies cognitive impairment. Our cohort of stroke patients is arguably the most comprehensively assessed such cohorts internationally, and presents an excellent opportunity for a long-term follow-up study.Read moreRead less
Transgenerational Effects Of Male Obesity - Mechanisms And Interventions
Funder
National Health and Medical Research Council
Funding Amount
$829,143.00
Summary
Childhood obesity is associated with obesity in either parent, and obese children tend to become obese adults, forming an intergenerational cycle that promotes obesity. We have identified paternal obesity as an important novel target for intervention to stop the progression of the obesity epidemic. This project investigates supplementation of obese fathers with folate to prevent the adverse impact of paternal obesity on subsequent generations.
We have discovered a single tumour factor which causes cancer cachexia, a wasting condition that is one of the worst complications of malignancy, for which there is no current effective treatment. We have developed antibodies which effectively block this condition in preclinical models and have produced human/humanised version of this. This application is to characterise these human antibodies to allow us proceed to clinical trials.
Local Sleep In The Awake Brain: An Underlying Cause Of Neurobehavioural Deficits In Sleep Apnea?
Funder
National Health and Medical Research Council
Funding Amount
$582,330.00
Summary
Obstructive sleep apnea (OSA) is a common sleep disorder which significantly impacts daytime functioning leading to excessive sleepiness, and problems with attention and thinking. Currently, the causes for cognitive impairment in OSA (including attentional lapses and performance deficits) are poorly understood. In the awake state, groups of neurons can briefly go “offline” as they do in sleep. These periods of “local sleep” may explain impaired task performance in OSA.
Deadly Commute - Targeting The Trafficking Mechanisms That Licence Inflammatory Cell Death
Funder
National Health and Medical Research Council
Funding Amount
$774,544.00
Summary
MLKL is a protein naturally found inside cells. MLKL is activated by inflammation. Once activated, MLKL relocates to the outer periphery of cells and kills them. Gut cells are especially vulnerable to death-by-MLKL and this problem causes Inflammatory Bowel Disease. Using cutting edge microscopy, we have discovered how MLKL moves to the periphery of cells prior to killing them. We will test if blocking this movement of MLKL to the cell periphery stops gut death and Inflammatory Bowel Disease.
Vascular And Neurogenic Determinants Of Hypertension In Chronic Kidney Disease
Funder
National Health and Medical Research Council
Funding Amount
$508,142.00
Summary
You are as old as your arteries, and people with kidney disease have arteries that age fast. They also have overactive sympathetic nerves, and it is not clear if the blood vessels or nerves are responsible for the high blood pressure that puts strain on the heart and other organs of these patients. We will use an animal model to determine if therapy for hypertension reduces the stiffness of blood vessels or elevated nerve activity. Our results will enable better treatments for kidney failure.
Touch and Tension: Molecular Determinants of Human Mechanosensation . Feelings of touch and muscle tension are initiated by mechanosensory neurons found within the peripheral nervous system. Knowledge of human mechanosensory neurons has predominantly relied on rodent studies because of the limited availability of human tissue, which is not ideal. Our team has developed novel technologies for generating human mechanosensory neurons ‘in the dish’. The major aim of this project is to use human stem ....Touch and Tension: Molecular Determinants of Human Mechanosensation . Feelings of touch and muscle tension are initiated by mechanosensory neurons found within the peripheral nervous system. Knowledge of human mechanosensory neurons has predominantly relied on rodent studies because of the limited availability of human tissue, which is not ideal. Our team has developed novel technologies for generating human mechanosensory neurons ‘in the dish’. The major aim of this project is to use human stem cell-derived mechanosensory neurons as a platform to extensively study their molecular and functional properties. The significant benefits are the advancement of knowledge in the human mechanosensory system, which to date has been lacking, and in the long-term progress commercial development of novel drugs.Read moreRead less