Journal
BIOLOGY OF BLOOD AND MARROW TRANSPLANTATION
Volume 16, Issue 1, Pages S119-S125Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.bbmt.2009.09.013
Keywords
Aplastic anemia; Antithymocyte globulin; Haemopoietic stem cell transplantation
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Funding
- Intramural NIH HHS [ZIA HL002315-29, Z01 HL002315-25, ZIA HL002315-27, ZIA HL002315-28, Z01 HL002315-26, ZIA HL002315-30] Funding Source: Medline
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An immune basis for most patients with aplastic anemia (AA) provides a rationale for immunosuppressive therapy (1ST), using antithmyocyte globulin and cyclosporine as one therapeutic modality; hematologic response is observed in up to 75% of patients. Recent advances in understanding the pathogenesis of AA have identified defective telomere maintenance as an important explanation for the onset of marrow failure, relapse and clonal evolution after 1ST, in some patients with AA. The finding of inherited mutations in the telomerase gene complex in patients with apparent acquired AA has important implications for clinical management. Hematopoietic stem cell transplantation (HSCT) for acquired AA, whether from an HLA identical sibling or an unrelated donor, provides an excellent chance of long term cure. Current issues with HSCT include graft rejection, chronic GVHD and poor outcome in older patients. The lack of a suitable bone marrow donor for all patients who need a transplant, illustrates the need for novel transplant procedures, such as cord blood transplantation. (C) 2010 American Society for Blood and Marrow Transplantation
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