Autoimmune diseases are those caused by the body's immune system attacking the body's own tissues. One group of autoimmune diseases, termed the thyrogastric cluster appear to share genetic risk factors, because they tend to occur together - either in the same patient, or else in families. Some of the diseases within the thyrogastric cluster are known to be very complex genetically, while others appear to be much less complex. Furthermore, some animal models of autoimmune diease are genetically s ....Autoimmune diseases are those caused by the body's immune system attacking the body's own tissues. One group of autoimmune diseases, termed the thyrogastric cluster appear to share genetic risk factors, because they tend to occur together - either in the same patient, or else in families. Some of the diseases within the thyrogastric cluster are known to be very complex genetically, while others appear to be much less complex. Furthermore, some animal models of autoimmune diease are genetically simpler still. We have chosen to study the genetics of gastritis in mice that have had their thymuses removed on the third day of life, because this model has relatively few genes involved; we have found that only 4 genes affect the risk of disease. This means that it will give us the optimum chance of identfiying at least one of these genes. The methods used involve both selective breeding techniques and generating special gene transfer mice in which individuals from one strain will carry the inserted genes from another. In this way, we can identify exactly which genes affect the risk of disease. Once identified, the gene sequences will help us determine if the same gene plays a role in human disease, and if so, to develop new diagnostic tests and therapies.Read moreRead less
Lymphocyte Differentiation And Genetics Of Primary Immunodeficiency
Funder
National Health and Medical Research Council
Funding Amount
$143,676.00
Summary
Primary immunodeficiency diseases affect a large number of individuals. Due to abnormal immune responses, these people are at risk of frequent, severe infections, as well as complications of autoimmune disease and cancer. Treatment often involves regular immunoglobulin (antibody) replacement. Through a better understanding of the mechanisms underlying these immunodeficiency diseases, we hope to be able to determine genetic causes, and more cost-effective and targeted treatment options.
Immunological Diseases: Understanding Their Cause And Improving Their Treatment By Human Genome Sequencing
Funder
National Health and Medical Research Council
Funding Amount
$788,486.00
Summary
Prof Goodnow will develop a collaborative consortium of specialist physicians, laboratory researchers and bioinformaticians. This team will apply the new tools of large scale DNA sequencing to reveal the root cause of immune system diseases including: autoimmune diseases, congenital immune deficiency diseases, allergic disorders, and cancer. It aims to accelerate, simplify and unify the diagnosis of these diseases, and guide targeted, earlier and more effective treatment.
Connections between nerve cells in the brain often occur onto enlarged protrusions called dendritic spines. This proposal will investigate the properties of dendritic spines, and relate differences in spine properties to synaptic plasticity. This information can be used to better understand and treat neurological disorders associated with spine malfunction, as occur in some forms of mental retardation, and may help with understanding the memory loss that occurs during ageing and dementia.
Identification Of The Conformation Dependant Targets Of Autoimmune Disease Linked Variation In Human Regulatory T Cells
Funder
National Health and Medical Research Council
Funding Amount
$1,001,815.00
Summary
Specialised immune cells called regulatory T cells act as the policemen of the immune system, preventing the immune system attacking itself, but still fighting infections. If these cells do not work properly, autoimmune diseases such as type 1 diabetes or IBD can arise, because of immune attack on normal body tissue by mistake. In order to explain how this goes wrong we need to carefully identify all of the gene interactions in these cells including interactions over long distances in the DNA.