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Immunobiology Of Carbohydrate Antigens In Xenotransplantation
Funder
National Health and Medical Research Council
Funding Amount
$563,554.00
Summary
Xenotransplantation, the transplanting of organs from other species, is now seen as a viable solution to the problem of lack of supply of suitable human donors. The recent production of genetically engineered pigs represented a critical step towards clinical xenotransplantation. However, other sugars still remain that cause rejection. This project examines the consequences of these sugars.
Detection Of Cardiac Allograft Rejection By Peripheral Blood Gene Expression: A Novel Concept Of Personalized Approach To Transplantation.
Funder
National Health and Medical Research Council
Funding Amount
$292,705.00
Summary
Heart biopsy is required to detect rejection after heart transplantation. The cost of each biopsy is around $7,000 and at least 10 heart biopsies needed in the first post-transplant year alone. The biopsy is difficult for the patients and significant cost for the Australian healthcare system. Thus, it would be beneficial to identify rejection using a simple blood test. Such tool would help to reduce or eliminate the need for expensive heart biopsy and would reduce the cost by about 10 times.
Developing Clinical Islet Transplantation For Type 1 Diabetes
Funder
National Health and Medical Research Council
Funding Amount
$387,337.00
Summary
This fellowship will provide me the opportunity to advance islet transplantation as a curative treatment for people with type 1 diabetes. The ultimate goal is to use cell-based therapy to achieve insulin independence for all people with type 1 diabetes. It aims to do this by developing a collaborative network between scientists and clinicians to advance human islet transplantation as a treatment for type 1 diabetes and to develop genetically engineered pig cells as a novel source of insulin prod ....This fellowship will provide me the opportunity to advance islet transplantation as a curative treatment for people with type 1 diabetes. The ultimate goal is to use cell-based therapy to achieve insulin independence for all people with type 1 diabetes. It aims to do this by developing a collaborative network between scientists and clinicians to advance human islet transplantation as a treatment for type 1 diabetes and to develop genetically engineered pig cells as a novel source of insulin producing cellsRead moreRead less
Does Galalpha(1,3)Gal Still Play A Role In Xenograft Destruction After The Production Of Gal Knockout Pigs?
Funder
National Health and Medical Research Council
Funding Amount
$706,062.00
Summary
Advances in surgical and immunosuppressive techniques has led to organ transplantation as the method of choice for the treatment of many diseases. However, the number of suitable donors is dwindling, due to many factors, but largely as a result of the reduction in deaths from car accidents. Xenotransplantation, the transplanting of organs from species other than humans, is now seen as a viable solution to the world wide problem of lack of supply of suitable human donors. The pig is the most suit ....Advances in surgical and immunosuppressive techniques has led to organ transplantation as the method of choice for the treatment of many diseases. However, the number of suitable donors is dwindling, due to many factors, but largely as a result of the reduction in deaths from car accidents. Xenotransplantation, the transplanting of organs from species other than humans, is now seen as a viable solution to the world wide problem of lack of supply of suitable human donors. The pig is the most suitable for a variety of reasons. However, the problem is that all humans contain natural antibodies to the pig which would lead to rejection within a few minutes as the antibodies bind to the transplant and reverse its rapid destruction (so called hyperacute rejection). Recent studies from our laboratory have indicated that most, if not all, of the antibodies react with the sugar - galactose present on many molecules on the surface of transplanted pig tissues. Our studies have indicated very large amounts of this material present in pig blood vessels - guaranteeing the early rejection of transplanted organs such as kidney, heart and liver. The production of knockout pigs which do not express the galactose sugar is an important pre-requisite for successful xenotransplantation. Recently knockout pigs which lack an enzyme that makes this sugar have been produced, but not all the sugar was destroyed. We have recently described a second novel enzyme that also makes this sugar. We will examine a role of this enzyme in xenotransplantation. These studies will be the prelude to the production of pigs which could be used for human transplantation.Read moreRead less
Mechanisms Of Regulatory T Cell Induction By Soluble Immunomodulatory Molecules
Funder
National Health and Medical Research Council
Funding Amount
$729,414.00
Summary
The purpose of this work is to identify how a select population of cells (T regulatory cells) function to prevent or dampen down the sometimes-harmful effects of the immune system. Understanding how these cells function may have broad implications for general immune regulation.
The Role Of Autophagy In Stem Cell Transplantation
Funder
National Health and Medical Research Council
Funding Amount
$956,055.00
Summary
Hematopoietic stem cell transplantation (SCT) is the only curative therapy for most blood cancers. The curative property of SCT relates to the graft-versus-leukaemia effect, which eradicates any remaining cancer after SCT. Unfortunately the success of SCT is significantly limited by three procedural complications: GVHD, graft failure, and infection. Our research aims to improve our understanding how these complications arise to develop new therapies that can be translated to clinical practice.
Dendritic Cells In Graft-versus-Host Disease Following Bone Marrow Transplantation
Funder
National Health and Medical Research Council
Funding Amount
$180,859.00
Summary
Bone marrow transplantation (BMT) is the only available curative therapy for many blood cancers such as leukaemia. Graft-versus-host disease (GVHD) occurs after BMT and is a major cause of transplant-related death. GVHD occurs when transplanted donor cells “attack” recipient tissues causing widespread damage. Gaining a more comprehensive understanding of this disease process is critically important for the design of new therapies and improvement of outcomes for transplant recipients.
The Role Of Alloantigen Presentation In Transplantation
Funder
National Health and Medical Research Council
Funding Amount
$508,003.00
Summary
Bone marrow transplantation (BMT) is the most effective treatment for a number of haematological conditions, especially leukemia. Graft versus host disease (GVHD) is a complication of BMT and results in the death of up to 50% of transplant recipients. GVHD occurs when the newly transplanted immune system recognizes the recipient as foreign and mounts and immune reponse against the patients tissues. These studies will focus on identifying and understanding the function of the immune cells which d ....Bone marrow transplantation (BMT) is the most effective treatment for a number of haematological conditions, especially leukemia. Graft versus host disease (GVHD) is a complication of BMT and results in the death of up to 50% of transplant recipients. GVHD occurs when the newly transplanted immune system recognizes the recipient as foreign and mounts and immune reponse against the patients tissues. These studies will focus on identifying and understanding the function of the immune cells which drive GVHD.Read moreRead less
Failure Of Donor Antigen Presentation Promotes IL-17 Dependant Chronic GVHD
Funder
National Health and Medical Research Council
Funding Amount
$585,860.00
Summary
Bone marrow transplantation (BMT) is the most effective treatment for a number of haematological conditions, especially leukemia. Graft versus host disease (GVHD) is a complication of BMT and results in the death of up to 50% of transplant recipients. GVHD occurs when the newly transplanted immune system recognizes the recipient as foreign and mounts and immune reponse against the patients tissues. These studies will focus on identifying and understanding the function of the immune cells which d ....Bone marrow transplantation (BMT) is the most effective treatment for a number of haematological conditions, especially leukemia. Graft versus host disease (GVHD) is a complication of BMT and results in the death of up to 50% of transplant recipients. GVHD occurs when the newly transplanted immune system recognizes the recipient as foreign and mounts and immune reponse against the patients tissues. These studies will focus on identifying and understanding the function of the immune cells which drive GVHD.Read moreRead less