An allogeneic transplant is a transplant that comes from another person.
Bone Marrow or Stem Cell Transplant
Stem cells are cells in the bone marrow (the spongy, liquid center of certain bones) that constantly make blood cells for the body. Stem cell transplants are used to restock the bone marrow when it has been destroyed by chemotherapy, radiation, or disease. Stem cells can be taken from bone marrow or blood. Stem cells may be the patient's own (autologous), or they may come from someone else (allogeneic).
Bone marrow transplants (BMTs) were the first method for replacing stem cells, but are used less often today. Now, peripheral blood stem cell transplant (SCT) is the most common method. In peripheral blood stem cell donation, stem cells are taken from circulating blood. Before collection, the donor must take special medicines to cause stem cells to grow and enter the bloodstream.
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