Role of HLA in neural stem cell rejection using humanized mice
One of the key issues in stem cell transplant biology is solving the problem of transplant rejection. Despite over three decades of research in human embryonic stem cells, little is…
Role of HLA in neural stem cell rejection using humanized mice
One of the key issues in stem cell transplant biology is solving the problem of transplant rejection. Despite over three decades of research in human embryonic stem cells, little is…
Engineering Embryonic Stem Cell Allografts for Operational Tolerance
Stem cells, like all transplants not derived from an identical twin, are subject to scrutiny by the immune system and, without medical interventions that suppress the immune system, are usually…
Engineering Thymic Regeneration to Induce Tolerance
A healthy immune system produces T cells that can recognize and react against foreign molecules (antigens) to protect against infection, while leaving normal host cells with “self antigens” undamaged. All…
Donor natural killer (NK) cells as “veto” cells to promote donor-specific tolerance
A major issue in the use of stem cells or in organ transplantation in general is the need to overcome graft rejection. Unfortunately, the only means currently available involves the…
Application of Tolerogenic Dendritic Cells for Hematopoietic Stem Cell Transplantation
The immune system protects us from invading pathogens, but has to be kept in check to prevent harmful responses to our own tissues. Unique immune “suppressor” cells have been recently…
Generation of regulatory T cells by reprogramming
The goal of our research is to develop efficient methods for making a particular class of immune-system cells known as regulatory T cells (Tregs). Tregs have the potential to be…
Maternal and Fetal Immune Responses to In Utero Hematopoietic Stem Cell Transplantation
The immune system is the body’s defense system against disease and can recognize foreign cells. Because of this, stem cells and organs that are transplanted from one person to another…
Thymus based tolerance to stem cell therapies
This proposal focuses on the role of the immune system in transplantation of derivatives of human pluripotent stem cells (hPSCs). A critical roadblock to successful cell replacement therapies, no matter…
Purified allogeneic hematopoietic stem cells as a platform for tolerance induction
Blood and immune cells originate and mature in the bone marrow. Bone marrow cells are mixtures of blood cells at different stages of development, and include rare populations of blood-forming…
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