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Annu Rev Pharmacol Toxicol. 2012;52:401-31. doi: 10.1146/annurev-pharmtox-010611-134701. Epub 2011 Oct 17.

Drug hypersensitivity and human leukocyte antigens of the major histocompatibility complex.

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Department of Microbiology and Immunology, The University of Melbourne, Parkville, Victoria 3010, Australia.


The human leukocyte antigen (HLA) genes are the most polymorphic in the human genome and are critical in regulating specific immunity, hence their historical discovery as "immune response" genes. HLA allotypes are also implicated in unwanted immune reactions, including drug hypersensitivity syndrome, in which small therapeutic drugs interact with antigenic peptides to drive T cell responses restricted by host HLA. Abacavir, allo-purinol, and carbamazepine are three commonly used drugs that cause a T cell-mediated hypersensitivity that is HLA linked, with each drug exhibiting striking specificity for presentation by defined HLA allotypes. Recent findings have begun to unearth the mechanistic basis for these HLA associations, and here we review recent advances in the field of HLA-associated drug hypersensitivities.

[Indexed for MEDLINE]

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