Abstract:
INTRODUCTION:Adverse drug reactions with an immune pathogenesis are a problem in the clinic and an impediment to drug development. T lymphocytes are believed to play a role in the pathogenesis; however, the nature of the drug interaction with immune receptors remains an area of debate. AREAS COVERED:This article reviews recent advances in our understanding of drug hypersensitivity focusing specifically on the way in which drugs are displayed in MHC molecules. Most drugs associated with a high incidence of reactions have been shown to form protein-reactive metabolites. Hence, the relationship between drug metabolism and T-cell activation is discussed in detail. EXPERT OPINION:The role of metabolism in pathogenesis of immunological drug reactions has only been studied with a small number of drugs where synthetic metabolites are available for functional studies. In each case, metabolite-responsive T cells have been detected. However, the field is skewed by the fact that most research is conducted using the parent compound in metabolically inert cell systems. We propose that research efforts are directed towards the synthesis of drug metabolites and/or drug-protein conjugates. Furthermore, analytical methods need to be developed to relate metabolite exposure to the T-cell response. For now, our understanding of the chemical basis of drug hypersensitivity is incomplete.
journal_name
Expert Opin Drug Metab Toxicoljournal_title
Expert opinion on drug metabolism & toxicologyauthors
Sullivan A,Gibson A,Park BK,Naisbitt DJdoi
10.1517/17425255.2015.992780subject
Has Abstractpub_date
2015-03-01 00:00:00pages
357-68issue
3eissn
1742-5255issn
1744-7607journal_volume
11pub_type
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journal_title:Expert opinion on drug metabolism & toxicology
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