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Concord Hormones And Ageing In Men Project (CHAMP)
Funder
National Health and Medical Research Council
Funding Amount
$1,780,887.00
Summary
Throughout life men have poorer health than women, a health difference that extends into old age. In Australia in 2001, life expectancy for a 65 year old man was 20% less than for a 65 year old woman (81.6 years for men and 85.2 years for women). The study proposed here will fill major gaps in knowledge about key health problems in older men. The study will be called CHAMP: Concord Hormones and Ageing in Men Project. As people grow older, health problems that cause loss of independence and reduc ....Throughout life men have poorer health than women, a health difference that extends into old age. In Australia in 2001, life expectancy for a 65 year old man was 20% less than for a 65 year old woman (81.6 years for men and 85.2 years for women). The study proposed here will fill major gaps in knowledge about key health problems in older men. The study will be called CHAMP: Concord Hormones and Ageing in Men Project. As people grow older, health problems that cause loss of independence and reduced quality of life become increasingly important. The term 'geriatric giants' is sometimes used to describe these disabling syndromes: falls and fractures, cognitive impairment and dementia, urinary incontinence, and poor mobility and functional dependence. CHAMP has been designed to investigate the causes of, and inter-relationships between, these geriatric syndromes in men. Reproductive hormones are responsible for the fundamental biological differences between men and women. Underpinning CHAMP is the idea that age-related changes in reproductive hormones play an important role in the development of the geriatric syndromes in older men. There have been numerous studies of oestrogen and health in older women but only limited research on testosterone and other reproductive hormones in older men. CHAMP will be the largest study of the geriatric syndromes in older men ever conducted. The study will inlvolve 2800 men aged 65 years and over recruited from the community around Concord Hospital in Sydney. These men will each spend 3 hours at the study centre, where they will have a comprehensive physical examination and tests for osteoporosis, muscle weakness, dementia and urinary problems, as well as blood tests. This will all be repeated 2 years later.Read moreRead less
Role Of Pacemaker Cells In The Generation Of Slow Wave Activity In The Prostate Gland
Funder
National Health and Medical Research Council
Funding Amount
$231,500.00
Summary
The prostate gland commonly enlarges in ageing males resulting in a condition known as benign prostatic hyperplasia which is poorly understood. Because of the strategic position of the prostate, its enlargement physically compresses the segment of the urinary system passing through it causing inconvenient and distressing symptoms, such as difficulty and hesitancy in urination, which often require surgical or medical intervention. Indeed patients diagnosed with benign prostatic hyperplasia are of ....The prostate gland commonly enlarges in ageing males resulting in a condition known as benign prostatic hyperplasia which is poorly understood. Because of the strategic position of the prostate, its enlargement physically compresses the segment of the urinary system passing through it causing inconvenient and distressing symptoms, such as difficulty and hesitancy in urination, which often require surgical or medical intervention. Indeed patients diagnosed with benign prostatic hyperplasia are often treated with pharmacological agents that reduce the size of the prostate or relax the prostate and bladder, thus relieving some of the symptoms. However, the precise cellualr mechanisms by which many of these drugs mediate their effects have not been confirmed. Moreover, although previous studies of the prostate gland have clearly established many of the basic properties of the tissue, there is currently a lack of information regarding the prostate gland at a cellular level. We have recently identified a specialised group of 'interstitial cells' in the prostate gland, which resemble the well-described 'interstitial cells of Cajal' in the gut. In the gut, these cells perform a wide variety of functions including the initiation of contractile activity. Interstitial cells are also thought to play a role in diseases of the bowel. This project aims to investigate the role of the interstitial cells in the functioning of the prostate gland. In addition, the effects of age and hormones on the interstitial cells will be considered, which may lead to a better understanding of conditions such as benign prostatic hyperplasia. Finally, identifying nerve-released substances that may affect the activity of these cells may also help identify alternative targets for treatment of benign prostatic hyperplasia.Read moreRead less
Perinatal Microbe-host Interactions Regulate Neonatal Dendritic Cell Development
Funder
National Health and Medical Research Council
Funding Amount
$1,293,576.00
Summary
Acute lower respiratory tract infections (ALRI) are the leading cause of childhood mortality globally, and increase the risk of chronic lung diseases in later-life. Diverse communities of microorganisms - the microbiome - assemble in infancy and support immune development. In this study, we will explore the relationship between the microbiome and its metabolites, and the expression of an important hormone that regulates the development of the immune system to confer protection against ALRI.
Extending The MIS BAIR Randomised Trial Of BCG To Prevent Childhood Allergy And Infection
Funder
National Health and Medical Research Council
Funding Amount
$939,504.00
Summary
BCG (used till recently to prevent tuberculosis) is a potential low cost and readily available vaccine which could reduce the rates of allergy and infection in Australian children. We propose to extend our existing NHMRC-funded trial, which studies whether BCG vaccinatinon given at birth prevents the development food allergy, eczema and infection in the 1st year of life, to see if this effect continues until 5yrs of age. At this age, we can also see if BCG vaccination at birth prevents asthma.
Acute Respiratory Illness In Indigenous And Non-Indigenous Australian Children And The Pathways To Chronic Lung Disease
Funder
National Health and Medical Research Council
Funding Amount
$415,218.00
Summary
Dr Kerry-Ann O'Grady aims to establish a comprehensive research program addressing acute and chronic respiratory infections in Australian children in urban, rural and remote areas. Drawing on national and international collaborations, Dr O'Grady will undertake a range of epidemiological and clinical studies that will address burden, risk, pathways to chronic lung disease and novel interventions aimed at improving lung health.
Role Of Macrophages In Uropathogenic E. Coli Infections
Funder
National Health and Medical Research Council
Funding Amount
$574,890.00
Summary
Urinary tract infections (UTI) are one of the most common types of infections in humans. They are also a major cause of septic shock, a condition with high fatality rates. Uropathogenic Escherichia coli (UPEC) are the major microbes causing UTI in humans. This project addresses the role of an immune cell type, the macrophage, in UPEC-mediated disease. The outcomes of this project will be a better understanding of how UPEC causes disease, and potentially new treatment regimes for UTI.
Therapeutic Targeting Of Interleukin-22 For Severe Paediatric Urinary Tract Infection And Associated Renal Complications
Funder
National Health and Medical Research Council
Funding Amount
$997,139.00
Summary
Urinary tract infections are among the most common bacterial infections and are associated with the development of chronic kidney disease. The bacteria that cause these infections are becoming increasingly resistant to antibiotic therapy. Therefore, new strategies that target the immune system rather than the bacteria are urgently needed. This study will provide evidence for re-purposing novel immunotherapies targeting the protein interleukin-22 that are being developed for other diseases.
Reducing The Community Burden Of Respiratory Infections In Indigenous Children
Funder
National Health and Medical Research Council
Funding Amount
$320,891.00
Summary
Lower respiratory infections are the leading cause of preventable mortality among Indigenous children in the Northern Territory. Streptococcus pneumoniae remain one of the major paediatric respiratory pathogens. In this proposal I will describe the impact of past and present pneumococcal vaccination strategies on the burden of infant respiratory infections in this region.
Halting The Spread Multidrug Resistant Uropathogenic E. Coli
Funder
National Health and Medical Research Council
Funding Amount
$687,975.00
Summary
Uropathogenic Escherichia coli (UPEC) is a major cause of urinary tract infection (UTI) and increasingly associated with resistance to multiple antibiotics. This project will study the virulence of multidrug resistant UPEC and use this knowledge to develop new approaches to treat and prevent UTI. The outcomes will be applicable to one of the most common infectious diseases of humans and have broad-reaching impact on our understanding of other infections caused by Gram-negative pathogens.