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The Menstrual Cycle, Menopause And Gender Specific Health Needs Of Women With Complex Medical And Psychiatric Conditions.
Funder
National Health and Medical Research Council
Funding Amount
$149,982.00
Summary
The great advances in medical science mean that women are living longer, sometimes with very complex conditions.The aim of this study is to determine how common women’s health issues are in women who have had a lung or bone marrow transplant and in women with severe mental illness. The study will involve face to face interview with women and then a survey of a larger number of women. The study will help improve the care and quality of life of women who already face significant health challenges.
Mechanisms Of Islet Graft Rejection And Acceptance
Funder
National Health and Medical Research Council
Funding Amount
$602,501.00
Summary
Islet grafts offer diabetic patients the promise of a return to insulin-independence. In this project we will study how natural regulatory T cells suppress islet graft rejection in a mouse model. We will determine where regulatory T cells interact with graft-rejecting T cells, and define the mechanisms used to mediate their suppressive effects. Our findings will aid in developing new ways to induce long-term acceptance of islet grafts without immunosuppressive drugs.
Beta Cell Mass In Type 1 Diabetes Mellitus And Islet Transplantation
Funder
National Health and Medical Research Council
Funding Amount
$3,070,136.00
Summary
This research program will examine the cellular and molecular mechanisms underlying the loss of Beta cell mass and function: During the pathogenesis of Type 1 Diabetes Mellitus (T1D); and Following islet transplantation. Though these processes have traditionally been considered to be purely immune-mediated, it is now clear that the response of the beta cell is critical to the final outcome of the auto-immune process and response to therapeutic interventions. Thus the complex interactions between ....This research program will examine the cellular and molecular mechanisms underlying the loss of Beta cell mass and function: During the pathogenesis of Type 1 Diabetes Mellitus (T1D); and Following islet transplantation. Though these processes have traditionally been considered to be purely immune-mediated, it is now clear that the response of the beta cell is critical to the final outcome of the auto-immune process and response to therapeutic interventions. Thus the complex interactions between the cellular and soluble constituents of the immune system, plus the effects of a deregulated metabolic milieu, are integrated at the beta cell. This in turn activates a series of complex transcriptional programs in the beta cell that together determine the beta cells ultimate functional status and survival. We will use knowledge gained from studying these processes to drive the development of novel therapeutic targets and strategies to improve the success of immune-based and transplantation-based therapies.Read moreRead less
Which Transgenic Pig Will Be Used For Islet Transplantation In Humans?
Funder
National Health and Medical Research Council
Funding Amount
$3,031,083.00
Summary
We propose that xenotransplantation of pig islets will cure Type 1 diabetes. This program will generate genetically modified pigs to overcome the molecular differences between pigs and humans by removing a pig gene and inserting several human genes. In addition, we will add immunosuppressive genes and so minimise the need for drug treatment of the diabetic recipient. We will test our hypothesis by transplanting islets from these genetically modified pigs into baboons. We suggest that this will p ....We propose that xenotransplantation of pig islets will cure Type 1 diabetes. This program will generate genetically modified pigs to overcome the molecular differences between pigs and humans by removing a pig gene and inserting several human genes. In addition, we will add immunosuppressive genes and so minimise the need for drug treatment of the diabetic recipient. We will test our hypothesis by transplanting islets from these genetically modified pigs into baboons. We suggest that this will provide an inexhaustible supply of islets for transplantation.Read moreRead less
Xenotransplantation Of Encapsulated Insulin-producing Pig Cells
Funder
National Health and Medical Research Council
Funding Amount
$763,316.00
Summary
The ideal treatment for insulin-dependent diabetes is the replacement of insulin-producing cells. Currently, this is carried out using a whole pancreas or experimentally with cells isolated from the pancreas of donor humans. Despite the success of these procedures, demand for human organs far exceeds supply, thus driving the search for suitable alternatives. Pigs are physiologically similar to humans, and insulin-producing cells can be easily isolated from the fetal pig pancreas as islet-like ce ....The ideal treatment for insulin-dependent diabetes is the replacement of insulin-producing cells. Currently, this is carried out using a whole pancreas or experimentally with cells isolated from the pancreas of donor humans. Despite the success of these procedures, demand for human organs far exceeds supply, thus driving the search for suitable alternatives. Pigs are physiologically similar to humans, and insulin-producing cells can be easily isolated from the fetal pig pancreas as islet-like cell clusters; 8% of the cells in the cluster produce insulin and the remaining cells develop this capability after transplantation. Transplantation requires chronic immunosuppression with drugs which increase the risk of infection and cancer. To many people with diabetes, the side effects will be greater than the potential benefit. Placing cells inside microcapsules made of a biologically inert material may prevent graft rejection without chronic immunosuppression. The Investigators have demonstrated that encapsulated insulin-producing pig cells survive and function when transplanted into diabetic immunodeficient mice, but not when xenografted into immunocompetent mice. It is hypothesised that this is due to an immunological or inflammatory response by the host in response to the shedding of molecules by the encapsulated pig cells. A pre-clinical model to test the efficacy of encapsulated insulin-producing pig cells is the humanized mouse. It is hypothesized that transient administration of anti-rejection drugs will be needed to allow the survival of pig cells xenografted into these mice and normalization of BGL once diabetes has been induced. The aims of this study are: 1. To assess the nature of the host response when encapsulated insulin-producing fetal pig cells are transplanted into diabetic BALB-c mice. 2. To normalize blood glucose levels (BGL) in diabetic humanized mice transplanted with encapsulated insulin-producing fetal pig cells.Read moreRead less
The Function Of The Natural Antisense Ghrelin Receptor Gene (GHSROS) In Cancer
Funder
National Health and Medical Research Council
Funding Amount
$493,750.00
Summary
Lung cancer is the most common cause of cancer deaths in men and women in the world and the incidence in Australia is rising with our aging population. Survival rates for lung cancer are very poor. We have discovered a new gene that is produced by lung cancer cells and may contribute to the aggressive nature of this disease. We will investigate this gene to determine if it could be a useful target for new therapies for lung cancer and it determine its utility as a biomarker for the severity of t ....Lung cancer is the most common cause of cancer deaths in men and women in the world and the incidence in Australia is rising with our aging population. Survival rates for lung cancer are very poor. We have discovered a new gene that is produced by lung cancer cells and may contribute to the aggressive nature of this disease. We will investigate this gene to determine if it could be a useful target for new therapies for lung cancer and it determine its utility as a biomarker for the severity of the disease.Read moreRead less
Intervening In The Natural History Of Type 1 Diabetes: An Integrated Approach
Funder
National Health and Medical Research Council
Funding Amount
$9,466,000.00
Summary
This Program brings together four of Australia’s top type 1 diabetes clinical and lab-based research teams. The program has three intersecting themes. The first theme, pathogenesis, focuses on early life and understanding why type 1 diabetes develops. The second theme, prevention, seeks to identifying new drugs to stop the disease from occurring. The third theme, treatment, aims to improve therapies to replace the cells that are destroyed during the disease process.
Closed-loop Insulin Delivery Compared With Islet Cell Transplantation For Adults With Type 1 Diabetes And Impaired Awareness Of Hypoglycaemia
Funder
National Health and Medical Research Council
Funding Amount
$92,745.00
Summary
Hypoglycaemia in adults with type 1 diabetes is common. Evaluation of therapies – the ‘artificial pancreas’ and islet cell transplantation - is warranted in a cohort with repeated episodes of hypoglycaemia. This proposal will assess whether the ‘artificial pancreas’ and islet cell transplantation, compared with usual insulin therapy, will reduce hypoglycaemia and improve other clinical outcomes over 6 months. This has potential to expand therapies used in current clinical practice.