Understanding The Role Of MAIT Cells In Health And Disease
Funder
National Health and Medical Research Council
Funding Amount
$547,593.00
Summary
A specialised set of T lymphocytes called Mucosal Associated Invariant T (MAIT) cells protect us from bacteria and yeast at mucosal sites where the body's immune defences are most easily breached, e.g. gut, oral cavity, airways & reproductive tract. This study investigates the role of MAIT cells in health and in diseases like inflammatory bowel disease, peptic ulceration, periodontitis and tuberculosis. Controlling MAIT cells could help in treating these conditions.
A Multi-protein Vaccine Targeting The Oral Pathogens Associated With Chronic Periodontitis
Funder
National Health and Medical Research Council
Funding Amount
$717,692.00
Summary
Periodontitis is a chronic inflammatory disease associated with specific bacteria leading to the destruction of the toothÍs supporting tissues and ultimately tooth loss and is a major public health problem in all societies. Our research is focused on designing a vaccine that targets the major bacteria associated with periodontitis. We aim to produce a triple antigen vaccine and investigate the applicability of a vaccine administered under the tongue as an alternative to needle injections.
Towards Better Treatments For Acral Melanoma Through Functional Genomics
Funder
National Health and Medical Research Council
Funding Amount
$1,456,823.00
Summary
Acral melanoma is an uncommon melanoma subtype with bad prognosis that has been poorly characterised at the molecular level. The project will conduct comprehensive analysis of acral melanoma at the DNA, RNA and protein levels. Through subsequent functional follow-up studies of key drivers of this cancer type we will identify novel drug targets to treat this disease.
Prevention Of Asthma In Young Children Via Immunostimulation
Funder
National Health and Medical Research Council
Funding Amount
$679,683.00
Summary
Persistent asthma is a major problem for Australia yet none of the current therapies do more that control the condition. The long-term solution is to prevent asthma from progressing to the persistent form. The major risk factors are: family history, early allergy and recurrent severe lower respiratory infections (sLRI) in the early life. We will conduct a randomized clinical trial to prevent sLRI using a novel bacterial-derived immunostimulant in infants at high risk of developing asthma.
MAIT cells are a recently discovered type of lymphocyte that plays a unique and important role in the immune system. However, these cells vary widely in number between healthy individuals, for reasons that are unclear. This project is designed to understand the factors that control the development of MAIT cells as a step toward regulating their numbers and activity.
Interactions Between Host And The Gut Microbiome In The Pathogenesis Of Ankylosing Spondylitis And Crohn's Disease
Funder
National Health and Medical Research Council
Funding Amount
$572,227.00
Summary
Ankylosing spondylitis (AS) and Crohn's disease (CD) are common immune-mediated diseases affecting primarily the joints of the spine and the gut respectively. Genes play a major role in determining the risk of each disease, and it is likely that those genes cause the disease by interaction with some environmental factor, most likely bacteria residing in the gut. This study aims to test that hypothesis by profiling the bacteria in the gut of patients with the diseases and healthy subjects.
Hypoxic Regulation Of Integrin Beta1 During Mucosal Wound Healing
Funder
National Health and Medical Research Council
Funding Amount
$318,104.00
Summary
Very little is currently known about how healing is initiated in the gut. Further understanding may allow us to improve the treatment of IBD wounding and allow new therapies to control the disease. Our work examines the role of an adhesion protein, ?1 integrin, important in the repair of intestinal wounds. Understanding the mechanisms of how ?1 integrin is involved in wound healing may allow the rational design of therapies to aid or accelerate wound healing in inflammatory disease.
Current vaccines rely on immune components in the blood. We are taking a different approach, which focuses on immunity at the body surfaces. These are the areas where pathogens first gain access to the body and we have shown that immune cells in these regions are far more potent than those that need to be recruited from the circulation.
Bacterial Inhibition Of Cell Signalling And Apoptosis During Gastrintestinal Infection
Funder
National Health and Medical Research Council
Funding Amount
$542,011.00
Summary
E. coli are a major cause of severe diarrhoeal disease. In order to establish infection, E. coli inhibits a host response where cells with bacteria stuck to them are ‘killed off’ and excreted as waste. This recent discovery illuminated an unknown role for cell death in the immune response during bacterial gastroenteritis. This project will study this phenomenon further to better understand the host immune response to infection and also other gut diseases such as inflammatory bowel disease.
Faecal Microbiota Transplantation For Active Ulcerative Colitis - A Randomised Controlled Trial: Clinical, Microbial & Immune Outcomes
Funder
National Health and Medical Research Council
Funding Amount
$700,126.00
Summary
This is a placebo controlled clinical trial to see whether giving healthy donor faeces to people with active ulcerative colitis can get them into remission. We will also examine how long the donor microbiome stays in the recipients stool, and examine the effects of faecal transplantation on the immune response in the lining of the colon in recipients.