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Mol Immunol. 1999 Sep-Oct;36(13-14):965-71.

The role of complement in transplantation.

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Transplantation Biology, Mayo Clinic, Rochester, MN 55905, USA.


The complement system contributes critically to the barrier to transplantation of cells and organs. In the case of tissues and organs transplanted between individuals of the same species, that is in allotransplantation, the barrier posed by complement is seemingly eclipsed by the barrier posed by cellular immune responses. In the case of cells and organs transplanted between individuals of disparate species, that is xenotransplantation, the complement system has been thought to pose a nearly insurmountable barrier. With our understanding on how the complement system contributes to rejection, it is now clear that the complement system is more important in allotransplantation and more forgiving in xenotransplantation than was previously thought.

[Indexed for MEDLINE]

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