Host Versus Transplant Reaction

In modern medicine, transplantation has become very popular. Organ transplantation can save thousands of lives, but is itself a rather risky treatment method and is often accompanied by serious complications. One such complication is the host reaction against the graft, which is also called graft rejection. Every year, more and more people choose organ transplantation over traditional surgery, but the risk of a host reaction against the transplanted organ also increases. Let's look at why this happens.

The main reason for the rejection reaction is that the immune system perceives the transplanted organ as a foreign body and begins to attack it. As a result, a complex develops