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Molecular Dissection Of Cytokine-mediated Regulation Of Human B-cell Differentiation.
Funder
National Health and Medical Research Council
Funding Amount
$119,314.00
Summary
Interleukin 21 is a molecule which activates B cells. Defects in this pathway cause immunodeficiency where individuals cannot make antibodies, while constant activation has been reported in mouse models of autoimmunity. Examining these pathways will shed light on the causes of human immune disease, and may reveal molecules that could be targeted for the treatment of immunodeficiency and autoimmunity. Amplification of normal immune responses could lead to the development of improved vaccines.
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.
Dynamic Imaging Of The Immune Response In Lymph Nodes By Two-photon Microscopy
Funder
National Health and Medical Research Council
Funding Amount
$79,514.00
Summary
Despite the enormous contribution of vaccination to the prevention of human disease and suffering, little is known about the laws that govern the selection and survival of B cells during the response to infection or vaccination. Our research projects aim to integrate several cutting-edge technologies, including two-photon microscopy, in order to understand the cellular and molecular basis of immunity.
A vaccine against the bacteria Group A streptococcus (‘strep’) could prevent common minor infections like sore throat and school sores as well as deadly ones like necrotising fasciitis (‘flesh eating disease’). It would also reduce long-term heart (rheumatic heart disease) and kidney problems. We are going to try and deliberately give a sore throat to adult volunteers under very close medical supervision so that we can learn more about immunity to strep and to help make and test new vaccines.
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.
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
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.