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AusPollen: Implementation Of A Standardized National Pollen Alert System For Better Management Of Allergic Respiratory Health
Funder
National Health and Medical Research Council
Funding Amount
$626,442.00
Summary
In Australia, grass pollen is the main outdoor trigger for hay fever and allergic asthma. This AusPollen project will build and evaluate our first standardised pollen monitoring network. Pollen alerts and healthcare information will be delivered to patients and doctors via websites and Apps. The AusPollen program was initiated with The Australasian Society for Clinical Immunology and Allergy, Asthma Australia, Stallergenes, the Bureau of Meteorology CSIRO and MeteoSwiss.
Upper Bedding As A Prevention Measure In Childhood Asthma: A Randomised Controlled Trial
Funder
National Health and Medical Research Council
Funding Amount
$198,075.00
Summary
Asthma has recently been identified as a National health Priority (1) by the Australian Government in view of the increasing prevalence of asthma and its great importance as a public health problem. The total health system costs of asthma are estimated to be in excess of $600 million (2). Recently, feather pillows have been shown to have more than five times less house dust mite allergen than other pillows. To date, several population-based studies have shown that children using feather upper be ....Asthma has recently been identified as a National health Priority (1) by the Australian Government in view of the increasing prevalence of asthma and its great importance as a public health problem. The total health system costs of asthma are estimated to be in excess of $600 million (2). Recently, feather pillows have been shown to have more than five times less house dust mite allergen than other pillows. To date, several population-based studies have shown that children using feather upper bedding are also reported by their parents to have less severe wheeze. These findings call into question the National Asthma Council recommendation that people with asthma who are allergic to house dust mite should use synthetic quilts rather than feather or down (3). However, concerns remain that these important findings may only have occurred because unmeasured factors, such as the socioeconomic status or child diet may be closely related to feather bedding use, and in themselves, protective against asthma. Alternatively, parents of a child with asthma symptoms may be more likely to have chosen non-feather bedding. The best way to address these concerns is to conduct a randomised controlled trial to evaluate whether the use of new feather upper bedding is associated with reduced asthma severity among house dust mite-sensitised children with severe asthma. This study is underway and has support in 2001-2002 from the Financial Markets Foundation for Children. The research will address the following NHMRC Primary Health Care project grant thematic research areas: Evidence based primary health care practice; Quality of primary care; and Illness prevention and health promotion as a primary health care strategy. (1) National Health Priority Areas: Asthma. http:--www.health.gov.au-hsdd-nhpq-asthma-index.htm (2) NH and MRC Evidence Based Clinical Practice Research Program Workshop - December 16-17, 1999. (3) National Asthma Campaign Asthma Management Handbook 1998Read moreRead less
Couch Grass Allergy: Cellular And Molecular Studies Directed At Improved Specific Immunotherapy
Funder
National Health and Medical Research Council
Funding Amount
$406,980.00
Summary
Couch grass pollen is increasingly important in Australia and other temperate and subtropical regions as a seasonal allergen causing asthma and hay fever. In our allergy clinic 85% of patients with seasonal asthma and-or hay fever are allergic to both couch grass pollen and rye grass pollen. Standard allergy treatment shots usually cover the rye grass pollen allergens but there is no cross-reactivity with couch grass pollen and therefore symptoms due to couch grass pollen are not controlled. The ....Couch grass pollen is increasingly important in Australia and other temperate and subtropical regions as a seasonal allergen causing asthma and hay fever. In our allergy clinic 85% of patients with seasonal asthma and-or hay fever are allergic to both couch grass pollen and rye grass pollen. Standard allergy treatment shots usually cover the rye grass pollen allergens but there is no cross-reactivity with couch grass pollen and therefore symptoms due to couch grass pollen are not controlled. These shots are seldom used in asthmatic patients because of the risk of severe asthma or generalised allergic reactions. We plan to examine human blood cell responses to couch grass pollen allergens before and after allergy shots with a preparation that includes couch grass pollen and rye grass pollen. A comparable control group of patients receiving only drug therapy will also be investigated. This study will identify dominant sites of couch grass pollen allergen immunoreactivity and reveal mechanisms of desensitisation. Based on this information, we will develop novel couch grass pollen proteins that retain the positive features needed for a successful desensitising vaccine but without the ability to bind to allergy antibodies and possibly cause severe adverse events such as asthma attacks. These preparations could be used to provide safer and more effective allergy treatments that can be used in hay fever sufferers and asthmatics.Read moreRead less
A New And Effective Approach To Reversal Of Allergic Airways Inflammation By Turning Off Allergic Responses
Funder
National Health and Medical Research Council
Funding Amount
$393,514.00
Summary
Inflammatory diseases like asthma develop from misdirected immune responses. The ultimate goal of therapeutic strategies is to remove or inactivate the cells that cause inflammation while leaving other cells, for example, those required for protection from infectious diseases and tumours, unaffected. Here we propose to test a new way of turning off the inappropriate immune reaction with the goal of preventing or reversing asthma.
Inhibition Of Allergic Airway Inflammation By Nanoparticles
Funder
National Health and Medical Research Council
Funding Amount
$540,075.00
Summary
Inhaled air pollution particulate matter causes asthma exacerbations, with 'ultrafine' nanoparticles thought to play a major role. Unexpectedly, we recently found that, by contrast, administration of inert ultrafine nanoparticles prevents allergic airway inflammation. We will identify the key particle physical and chemical properties associated with this novel type of disease inhibition, study particle effects in clinically-relevant disease models and identify mechanisms of action.
The prevalence of asthma in Australia is amongst the highest in the world yet no trials of primary prevention have been conducted which address the most common known causative agent (housedust mite allergens) and the most common known protective factor (dietary omega-3 fatty acids). Until the effectiveness of interventions which address these factors is certain, the value of the wide array of advice given to asthmatics by various health institutions will not be known. We are applying to continue ....The prevalence of asthma in Australia is amongst the highest in the world yet no trials of primary prevention have been conducted which address the most common known causative agent (housedust mite allergens) and the most common known protective factor (dietary omega-3 fatty acids). Until the effectiveness of interventions which address these factors is certain, the value of the wide array of advice given to asthmatics by various health institutions will not be known. We are applying to continue the Childhood Asthma Prevention Study (CAPS) which has been underway since mid-1997. CAPS is a randomised controlled trial in which 616 infants at high risk of developing asthma because of a family history have been enrolled. The interventions include allergen reduction and dietary supplementation with omega-3 fatty acids. The interventions are designed to have maximum effect but be simple to implement by parents. Several measures of compliance are being collected and regular contact is maintained though telephone calls and frequent home visits. Objective and subjective measurements of exposures, atopy, diet and asthmatic symptoms are being collected at 3 month intervals and at medical assessments when the children are 18 months, 3 and 5 years old. It is essential that we continue the study until all children are aged 5 and we will be able to test conclusively whether the interventions have had a positive effect. If so, CAPS will form the basis for a nationwide public health campaign which will have the potential to reduce the incidence of childhood asthma in Australia.Read moreRead less
I am a research scientist measuring inhaled and exhaled bioaerosols, such as viruses and allergens, to determine their clinical role in human respiratory diseases, particularly asthma.
Mast Cell Proteases Suppress Respiratory Viral Infections And Alleric Inflammation Of The Airways
Funder
National Health and Medical Research Council
Funding Amount
$665,532.00
Summary
Severe RSV infection and asthma accounts for poor quality of life in our community and current treatments have limited effects. Although the factors regulating these disorders are poorly understood, mast cells (MCs) may play important roles. We have shown MC protease-6 protects against viral infection. Here we will identify how MC and their factors are involved in the control of severe respiratory infections and allergic disease of the lung, and identify potential new ways to treat these conditi ....Severe RSV infection and asthma accounts for poor quality of life in our community and current treatments have limited effects. Although the factors regulating these disorders are poorly understood, mast cells (MCs) may play important roles. We have shown MC protease-6 protects against viral infection. Here we will identify how MC and their factors are involved in the control of severe respiratory infections and allergic disease of the lung, and identify potential new ways to treat these conditions.Read moreRead less
Targeting MicroRNA (miRNA) As A Unified Therapeutic Approach To The Treatment Of Asthma And Allergic Inflammation
Funder
National Health and Medical Research Council
Funding Amount
$675,030.00
Summary
Approximately 30% of our community suffers from allergic inflammation (asthma/rhinitis/dermatitis) that results in poor quality of life. The factors regulating these disorders are poorly understood and current treatments only target the symptoms and not the cause of disease. MicroRNA control gene expression and are emerging as potential regulators of inflammation. This project will identify the role of microRNA in the regulation of allergic diseases and their potential as new therapeutic targets ....Approximately 30% of our community suffers from allergic inflammation (asthma/rhinitis/dermatitis) that results in poor quality of life. The factors regulating these disorders are poorly understood and current treatments only target the symptoms and not the cause of disease. MicroRNA control gene expression and are emerging as potential regulators of inflammation. This project will identify the role of microRNA in the regulation of allergic diseases and their potential as new therapeutic targets.Read moreRead less