PMID- 34175955 OWN - NLM STAT- MEDLINE DCOM- 20210929 LR - 20220112 IS - 1096-0929 (Electronic) IS - 1096-6080 (Print) IS - 1096-0929 (Linking) VI - 183 IP - 1 DP - 2021 Aug 30 TI - Deciphering Adverse Drug Reactions: In Vitro Priming and Characterization of Vancomycin-Specific T Cells From Healthy Donors Expressing HLA-A*32:01. PG - 139-153 LID - 10.1093/toxsci/kfab084 [doi] AB - Drug rash with eosinophilia with systemic symptoms (DRESS) is a serious adverse event associated with use of the glycopeptide antibiotic vancomycin. Vancomycin-induced drug rash with eosinophilia with systemic symptoms is associated with the expression of human leukocyte antigen (HLA)-A*32:01, suggesting that the drug interacts with this HLA to activate CD8+ T cells. The purpose of this study was to utilize peripheral blood mononuclear cell from healthy donors to: (1) investigate whether expression of HLA-A*32:01 is critical for the priming naive of T cells with vancomycin and (2) generate T-cell clones (TCC) to determine whether vancomycin exclusively activates CD8+ T cells and to define cellular phenotype, pathways of drug presentation and cross-reactivity. Dendritic cells were cultured with naive T cells and vancomycin for 2 weeks. On day 14, cells were restimulated with vancomycin and T-cell proliferation was assessed by [3H]-thymidine incorporation. Vancomycin-specific TCC were generated by serial dilution and repetitive mitogen stimulation. Naive T cells from HLA-A*02:01 positive and negative donors were activated with vancomycin; however the strength of the induced response was significantly stronger in donors expressing HLA-A*32:01. Vancomycin-responsive CD4+ and CD8+ TCC from HLA-A*32:01+ donors expressed high levels of CXCR3 and CCR4, and secreted IFN-gamma, IL-13, and cytolytic molecules. Activation of CD8+ TCC was HLA class I-restricted and dependent on a direct vancomycin HLA binding interaction with no requirement for processing. Several TCC displayed cross-reactivity with teicoplanin and daptomycin. To conclude, this study provides evidence that vancomycin primes naive T cells from healthy donors expressing HLA-A*32:01 through a direct pharmacological binding interaction. Cross-reactivity of CD8+ TCC with teicoplanin provides an explanation for the teicoplanin reactions observed in vancomycin hypersensitive patients. CI - (c) The Author(s) 2021. Published by Oxford University Press on behalf of the Society of Toxicology. FAU - Ogese, Monday O AU - Ogese MO AUID- ORCID: 0000-0002-1873-4032 AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Lister, Adam AU - Lister A AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Gardner, Joshua AU - Gardner J AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Meng, Xiaoli AU - Meng X AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Alfirevic, Ana AU - Alfirevic A AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Pirmohamed, Munir AU - Pirmohamed M AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Park, B Kevin AU - Park BK AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. FAU - Naisbitt, Dean J AU - Naisbitt DJ AUID- ORCID: 0000-0003-4107-7832 AD - Department of Molecular & Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool L69 3GE, UK. LA - eng GR - MR/L006758/1/MRC_/Medical Research Council/United Kingdom GR - G0700654/MRC_/Medical Research Council/United Kingdom GR - BB/R008108/1/BB_/Biotechnology and Biological Sciences Research Council/United Kingdom PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Toxicol Sci JT - Toxicological sciences : an official journal of the Society of Toxicology JID - 9805461 RN - 0 (HLA-A Antigens) RN - 0 (Interleukin-13) RN - 0 (Pharmaceutical Preparations) RN - 6Q205EH1VU (Vancomycin) SB - IM MH - CD8-Positive T-Lymphocytes MH - HLA-A Antigens MH - Humans MH - Interleukin-13 MH - Leukocytes, Mononuclear MH - *Pharmaceutical Preparations MH - *Vancomycin/toxicity PMC - PMC8404995 OTO - NOTNLM OT - HLA OT - T cells OT - drug hypersensitivity OT - vancomycin EDAT- 2021/06/28 06:00 MHDA- 2021/09/30 06:00 PMCR- 2021/06/27 CRDT- 2021/06/27 21:04 PHST- 2021/06/28 06:00 [pubmed] PHST- 2021/09/30 06:00 [medline] PHST- 2021/06/27 21:04 [entrez] PHST- 2021/06/27 00:00 [pmc-release] AID - 6310194 [pii] AID - kfab084 [pii] AID - 10.1093/toxsci/kfab084 [doi] PST - ppublish SO - Toxicol Sci. 2021 Aug 30;183(1):139-153. doi: 10.1093/toxsci/kfab084.