Innovative stem cell-based strategies to establish immune tolerance and tissue repair

Funded Activity Summary

Diseases such as autoimmune gastritis, multiple sclerosis and diabetes arise because a rogue immune system has turned inwards to attack our organs. The organ destruction follows from recognition by the immune system of specific molecules in these organs. These autoimmune diseases are incurable and controlled mainly by long-term administration of substances that suppress the immune system, often with serious side-effects. A rational approach is to render the rogue immune system harmless by removing the cells that recognize these particular molecules. This can be achieved by a Trojan horse approach in which the molecules are delivered to the immune system such that that the immune cells that recognize them are removed. To deliver these molecules to the immune system we will genetically engineer bone marrow stem cells, or embryonic stem cells that generate these stem cells, because they are precursors of mature immune cells. Rejection of organ transplants arise in a similar way and also require long-term immunosuppression. A similar approach can therefore be taken to promote acceptance of foreign organ grafts. In the aged, we will combine these approaches with rejuvenation of the immune system by blockade of sex steroid production and-or by creation of a new immune organ.

Funded Activity Details

Start Date: 01-01-2007

End Date: 01-01-2011

Funding Scheme: Programs

Funding Amount: $5,554,618.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Autoimmunity

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

Autoimmune diseases | Autoimmunity | Organ transplantation | Regenerative medicine | Stem cells | Tolerance | Transplantation

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