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
Development Of Novel Reagents For The Point-of-care(field) Diagnosis &differentiation Of The Malaria Parasites, Plasmodi
Funder
National Health and Medical Research Council
Funding Amount
$117,000.00
Summary
Malaria is a major global health problem. 500 million people become infected with malaria parasites every year and 2-3 million people die each year from the disease. Rapid diagnosis of the disease is needed to allow correct treatment protocols. Increasingly protein-based immunochromatographic tests are being employed for the diagnosis of malaria as they offer significant advantages over classical thick smear tests, which require trained personnel and laboratory facilities. We propose to develop ....Malaria is a major global health problem. 500 million people become infected with malaria parasites every year and 2-3 million people die each year from the disease. Rapid diagnosis of the disease is needed to allow correct treatment protocols. Increasingly protein-based immunochromatographic tests are being employed for the diagnosis of malaria as they offer significant advantages over classical thick smear tests, which require trained personnel and laboratory facilities. We propose to develop a protein-based malaria diagnostic that has the ability to distinguish the two major human pathogens, P.falciparum and P. vivax.Read moreRead less