Why some organ allografts are tolerated better than others: new insights for an old question
Purpose of review
There is great variability in how different organ allografts respond to the same tolerance induction protocol. Well known examples of this phenomenon include the protolerogenic nature of kidney and liver allografts as opposed to the tolerance-resistance of heart and lung allografts. This suggests there are organ-specific factors which differentially drive the immune response following transplantation.
Recent findings
The specific cells or cell products that make one organ allograft more likely to be accepted off immunosuppression than another are largely unknown. However, new insights have been made in this area recently.
Summary
The current review will focus on the organ-intrinsic factors that contribute to the organ-specific differences observed in tolerance induction with a view to developing therapeutic strategies to better prevent organ rejection and promote tolerance induction of all organs.
Source: Current Opinion in Organ Transplantation - Category: Surgery Tags: TRANSPLANT IMMUNOLOGY: REJECTION, TOLERANCE AND HISTOCOMPATIBILITY: Edited by Paolo Cravedi Source Type: research
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