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Less commonly, PTLD occurs after hematopoietic stem cell transplantation. The incidence varies by the type of transplantation: the lowest rates are seen with bone marrow transplants and liver transplants. The highest rates of PTLD are seen with lung and heart transplants, which is primarily due to the need for higher levels of immunosuppression.
Donor lymphocyte infusion is the infusion in which lymphocytes from the original stem cell donor are infused, after the transplant, to augment an anti-tumor immune response or ensure that the donor stem cells remain engrafted. [1] [2] These donated white blood cells contain cells of the immune system that can recognize and destroy cancer cells.
When transplanting T-cell depleted stem cell transplant, GvHD can be partially prevented, but in the same time the GvL effect is also reduced, because T-cells play an important role in both of those effects. [8] The possibilities of GvL effect in the treatment of hematopoietic malignancies are limited by GvHD.
Peripheral blood stem cell transplantation (PBSCT), also called "Peripheral stem cell support", [1] is a method of replacing blood-forming stem cells.Stem cells can be destroyed through cancer treatments such as chemotherapy or radiation, as well as any blood-related diseases, such as leukemia, lymphoma, neuroblastoma and multiple myeloma. [2]
Stem-cell therapy uses stem cells to treat or prevent a disease or condition. [1] As of 2024, the only FDA-approved therapy using stem cells is hematopoietic stem cell transplantation. [2] [3] This usually takes the form of a bone marrow or peripheral blood stem cell transplantation, but the cells can also be derived from umbilical cord blood.
A stem cell transplant has the potential to cure HIV in part because it requires destroying a person’s cancer-afflicted immune system with chemotherapy and sometimes radiation and replacing it ...
The treatment of side effects is also important as they can occur due to the chemotherapy or the stem cell transplantation. It was evaluated whether mesenchymal stromal cells can be used for the treatment and prophylaxis of graft-versus-host diseases .
The U.S. Food and Drug Administration (FDA) has approved imatinib as first-line treatment for Philadelphia chromosome-positive CML, both in adults and children. The drug is approved in multiple contexts of Philadelphia chromosome-positive CML, including after stem cell transplant, in blast crisis, and newly diagnosed. [12]
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