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Yonsei medical journal · Feb 2007
ReviewThe HLA system: genetics, immunology, clinical testing, and clinical implications.
- Sung Yoon Choo.
- Department of Pathology, Mount Sinai School of Medicine, New York, NY 10029, USA. yoon.choo@mountsinai.org
- Yonsei Med. J. 2007 Feb 28; 48 (1): 112311-23.
AbstractThe human major histocompatibility complex HLA is located on the short arm of chromosome 6. It is known to be the most polymorphic genetic system in humans. The biological role of the HLA class I and class II molecules is to present processed peptide antigens. The HLA system is clinically important as transplantation antigens. Molecular HLA allele typing is routinely performed to provide HLA class I and class II allele matching in unrelated donor hematopoietic stem cell transplantation. Prospective lymphocyte crossmatching is critical in solid organ transplantation to prevent allograft rejection. HLA alloimmunization causes various problems in transfusion therapy. The HLA system is associated with certain diseases, but its underlying mechanisms are not yet fully explained.
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