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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.
Assessment Of Interventions For Controlling Pandemic Influenza And Determining Data Needs To Inform These Assessments
Funder
National Health and Medical Research Council
Funding Amount
$183,040.00
Summary
The aim of this study is to help us prepare for a pandemic of influenza by comparing how effective the various available control strategies are at reducing transmission of the disease. The available control interventions include: reducing the number of close contacts we make with others, isolating cases after they are diagnosed, closing schools, quarantining households, quarantining individuals who are known to have been exposed to a case, and using antiviral drugs treat and protect people at ri ....The aim of this study is to help us prepare for a pandemic of influenza by comparing how effective the various available control strategies are at reducing transmission of the disease. The available control interventions include: reducing the number of close contacts we make with others, isolating cases after they are diagnosed, closing schools, quarantining households, quarantining individuals who are known to have been exposed to a case, and using antiviral drugs treat and protect people at risk of being infected. We will compare these control measures by taking due account of the ability and resources available for these interventions, and with regard to the need to maintain essential services. The comparisons will be made using mathematical models that describe the transmission of the infection. All available data and advice from experts will be used to ensure that realistic models are used for the comparisons. We will also use the models to determine the best use of the limited antiviral drugs available, until a vaccine becomes available. We will consider how the control strategy should be changed if a strain develops that is resistant to the antiviral drugs. In addition, we will determine what data need to be collected during the early stages of a pandemic to help us to determine the best use of the antiviral drugs, the best use of a new vaccine and to check on the development of resistance to the antiviral drugs.Read moreRead less
Studies On The Activation And Immunogenicity Of The HIV-1 Glycoproteins, Gp120-gp41
Funder
National Health and Medical Research Council
Funding Amount
$606,438.00
Summary
More than 34 million people were living with HIV-1 in 2011 with ~7,000 new infections still occurring daily. A prophylactic vaccine for HIV-1 is needed to stop its transmission, however, this goal is yet to be achieved. Our proposed studies will inform the design of prophylactic HIV-1 vaccines that act by making antibodies that neutralize the virus.
Functional Significance Of Subcellular Localisation Of Viral 3C Protease In Rhinovirus Pathogenesis
Funder
National Health and Medical Research Council
Funding Amount
$613,513.00
Summary
Rhinovirus (RV) infections are the major cause of virus induced asthma attacks and common colds, causing significant morbidity and mortality. The incidence of asthma is increasing worldwide with new strategies urgently needed to reduce RV-associated disease. We have observed RV 3C protease in the nuclear compartment of infected host cells and propose to determine its significance in RV pathogenesis with relevance to asthma therapies.
Immunological Changes During Pregnancy And The Impact On Viral Hepatitis Infection
Funder
National Health and Medical Research Council
Funding Amount
$353,355.00
Summary
Hepatitis B virus (HBV) can cause long term health problems particularly affecting the liver and can be passed from mother to baby. Despite the availability of a HBV vaccine babies can still become infected. During pregnancy there are changes in a woman’s immune system which may impact on HBV infection and make transmission to the baby more likely. This research aims to explore the changes in a woman’s immune system and the impact this has on risks for hepatitis and transmission to the baby.
Modelling The Biology And Transmission Of Influenza Virus - Learning From 1918-19 And Other Outbreaks
Funder
National Health and Medical Research Council
Funding Amount
$114,222.00
Summary
In preparing for a future pandemic of influenza, it is important to learn as much as possible from what happened in the past, particularly from the devastating pandemic of 1918-19. This project will collate detailed information about the spread of influenza in past outbreaks and create a publicly accessible data-base. Mathematical methods will be used to analyse historic and contemporary data, so as to provide better understanding of the spread of influenza, and of the likely effects of social a ....In preparing for a future pandemic of influenza, it is important to learn as much as possible from what happened in the past, particularly from the devastating pandemic of 1918-19. This project will collate detailed information about the spread of influenza in past outbreaks and create a publicly accessible data-base. Mathematical methods will be used to analyse historic and contemporary data, so as to provide better understanding of the spread of influenza, and of the likely effects of social and medical measures for its control. An important theme of the project is to consolidate our knowledge about how past exposure to non-pandemic influenza could provide short-lived protection against any new pandemic, and to explore the implications of this for prevention today. Another theme is to explore the severity of influenza during pandemics, and to identify social and medical factors that might reduce the dose of virus transmitted, or otherwise reduce the severity of infection. The insights from the modeling will also help to identify gaps in knowledge and understanding about the basic biology of influenza, stimulate new research to fill those gaps, and thus offer the prospect of more effective vaccines and treatments for the future control of influenza.Read moreRead less
Elucidating The Activation Mechanism Of The HIV-1 Envelope Glycoproteins, Gp120-gp41
Funder
National Health and Medical Research Council
Funding Amount
$636,973.00
Summary
Antiretrovirals prolong the life of HIV+ people, however toxicity and resistance issues persist. We aim to understand how the HIV surface proteins effect viral entry in order to identify new antiviral targets.
Influence Of Early-life Viral Infection On Severity Of Murine Chronic Asthma And Acute Exacerbations
Funder
National Health and Medical Research Council
Funding Amount
$508,528.00
Summary
This project examines the relationship between certain childhood infections with respiratory viruses and the progression of asthma later in life. The experimental work will use mouse models of mild chronic asthma and of an acute exacerbation of the illness -- these unique models have been developed in the laboratories of the chief investigators. It will employ the most appropriate mouse models of infection by the relevant group of viruses. We expect to obtain new information about mechanisms of ....This project examines the relationship between certain childhood infections with respiratory viruses and the progression of asthma later in life. The experimental work will use mouse models of mild chronic asthma and of an acute exacerbation of the illness -- these unique models have been developed in the laboratories of the chief investigators. It will employ the most appropriate mouse models of infection by the relevant group of viruses. We expect to obtain new information about mechanisms of airway inflammation and airway hyper-reactivity, which are characteristic features of chronic asthma and of acute exacerbations. This could help to identify candidate signalling molecules and pathways that could be targeted by new treatments. The findings might also provide a basis for development of ways to modify the immune response after respiratory viral infection in childhood.Read moreRead less
Mechanisms Of Induction And Progression Of Childhood Asthma: Investigations In A Mouse Model
Funder
National Health and Medical Research Council
Funding Amount
$517,586.00
Summary
This project investigates how certain respiratory viral infections in very young children might predispose to developing asthma, and how inflammation in the airways in asthma might then worsen. The experimental work, which will use unique mouse models developed in the laboratories of the chief investigators, will focus on changes in genes that control the pattern of immune response to allergens and that regulate the progression of inflammation.