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Clearing Chronic Infectious Diseases – Enhancing Host Immune Effector Function
Funder
National Health and Medical Research Council
Funding Amount
$92,314.00
Summary
Chronic infections produced by pathogens such as HIV, overwhelm our immune system leading to an exhausted state where cells responsible for the clearance of invading microorganisms are unable to respond effectively. We have recently identified a highly promising therapeutic target that enhances immune effector function. We seek to understand the underlying mechanism, and to explore the therapeutic potential of this approach for the treatment of a broad range of pathogens, including those respons ....Chronic infections produced by pathogens such as HIV, overwhelm our immune system leading to an exhausted state where cells responsible for the clearance of invading microorganisms are unable to respond effectively. We have recently identified a highly promising therapeutic target that enhances immune effector function. We seek to understand the underlying mechanism, and to explore the therapeutic potential of this approach for the treatment of a broad range of pathogens, including those responsible for chronic disease.Read moreRead less
The Role Of Stellate Cells In Fibrosis And Liver Disease Progression In HIV-Hepatitis B Co-infection
Funder
National Health and Medical Research Council
Funding Amount
$157,292.00
Summary
Liver related mortality is the commonest cause of non-AIDS death in HIV infected individuals on treatment. With HIV, HBV liver damage is accelerated and liver-related mortality increased. Understanding how and why is critical to management. I will examine the role of hepatic stellate cells using in vitro models and directly ex vivo from infected patient biopsy tissue. I will investigate the activated of these cells by HIV and HBV infection, thus promoting scar formation with liver injury.
Hepatitis B In The Top End Of The Northern Territory: Epidemiology, Burden Of Disease And Health Literacy Among Those Affected.
Funder
National Health and Medical Research Council
Funding Amount
$118,574.00
Summary
I am an Infectious Diseases doctor working with Hepatitis B in the Top End of the Northern Territory. I will provide detailed information about the prevelance of Hepatitis B infection, the specific subtypes found in this region and the burden of disease attributable to it. This information is not currently available for this region. I will also explore the levels of knowledge in the community about Hepatitis B infection using this information to develop and evaluate an educational tool.
Hepatitis B Virus Drug Resistance: Impact On The Immunisation Program
Funder
National Health and Medical Research Council
Funding Amount
$113,322.00
Summary
ñAntiviral drug-associated vaccine escape mutantsî have the potential to jeopardize the hepatitis B immunization program. Which particular viral mutations or combination of mutations that can directly affect the clinical outcome of infection, especially in the context of vaccine induced immunity, are not known. In this study we will identify the clinical sequelae and public health consequences arising from the selection of these mutants.
Studies On The Pathogenesis And Early Diagnosis Of Hepatocellular Carcinoma
Funder
National Health and Medical Research Council
Funding Amount
$100,082.00
Summary
Hepatocellular carcinoma (HCC) is the most common primary liver cancer and worldwide is the third and fifth leading cause of cancer death in men and women respectively. Early diagnosis is vital to patient survival. Our research investigates new methods in the early diagnosis of HCC, including new protein markers of the cancer and non-invasive measurements of liver scarring. We also study the genetics of HCC and investigate new genes that could be targets for future therapies.
Prevention Of Sexually Transmitted Infections (STIs) And Blood Borne Viruses (BBVs) In Victoria's Vulnerable Populations: The Impact Of Early And Regular Testing.
Funder
National Health and Medical Research Council
Funding Amount
$96,183.00
Summary
The primary aim of this research is to investigate the relationship between early and regular testing of STIs and BBVs and transmission outcomes to inform effective strategies to prevent ongoing transmission of STIs and BBVs in at-risk populations. Specifically it will examine HIV, chlamydia, syphilis and gonorrhoea in men who have sex with men (MSM) in Victoria. This project will aim to identify prevention and health promotion strategies and methods of implementation to reduce the individual an ....The primary aim of this research is to investigate the relationship between early and regular testing of STIs and BBVs and transmission outcomes to inform effective strategies to prevent ongoing transmission of STIs and BBVs in at-risk populations. Specifically it will examine HIV, chlamydia, syphilis and gonorrhoea in men who have sex with men (MSM) in Victoria. This project will aim to identify prevention and health promotion strategies and methods of implementation to reduce the individual and community cost associated with STIs and BBVs.Read moreRead less
Hepatitis C affects between 1-3% of Australians. Currently, there is no effective vaccine and only 30% will spontaneously clear infection, while the remained develop a chronic disease with a small risk of progression to liver cirrhosis and liver cancer over time. This study aims to evaluate the safety and efficacy of a two different treatment regimens among individuals with recent Hepatitis C infection; and define the risk factors and natural history of Hepatitis C superinfection during treatmen ....Hepatitis C affects between 1-3% of Australians. Currently, there is no effective vaccine and only 30% will spontaneously clear infection, while the remained develop a chronic disease with a small risk of progression to liver cirrhosis and liver cancer over time. This study aims to evaluate the safety and efficacy of a two different treatment regimens among individuals with recent Hepatitis C infection; and define the risk factors and natural history of Hepatitis C superinfection during treatment.Read moreRead less
Regulation Of Extrinsic Death Pathways In Neutrophils
Funder
National Health and Medical Research Council
Funding Amount
$84,656.00
Summary
During infection, the lifespan of neutrophils normally increases despite an abundance of neutrophil death signals in inflamed tissues. Altered lifespan of neutrophils has been reported in diseases associated with influenza, Streptococcus, RSV and cytomegalovirus infection. Our research has discovered a relationship between the two dominant death pathways in neutrophils, indicating that alterations in one death pathway protect the neutrophil from death signals from the second death pathway.
Understanding The Impact Of Harm Reduction Program Coverage On The Incidence Of Blood Borne Viruses And Related Risk Behaviours
Funder
National Health and Medical Research Council
Funding Amount
$86,073.00
Summary
The provision of clean injecting equipment to people who inject drugs (PWID) is a crucial harm reduction intervention that has helped reduce the spread of blood borne viruses. The level to which PWID needs are adequately met is known as “coverage”, and it is the aim of this study to examine how variations in coverage impacts on PWID risk behaviours and health outcomes over time. This project will make important contributions to the evidence base for harm reduction and future implementation.
Dengue Host-cell Signalling Interactions: Novel Insights And Interventions
Funder
National Health and Medical Research Council
Funding Amount
$124,676.00
Summary
Dengue is a virus transmitted by mosquitoes that occurs in many tropical and subtropical regions. Approximately 40% of the world's population is at risk of this infection. Sometimes it can be mild but it can lead to severe illness and death especially with second infections. The body produces a response that over-reacts to the virus in these severe infections. The project aims to understand why the body does this and what parts of the immune system are affected using a model in mice.