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Bhatt P, Montreuil N, Olayiwola A, Quiroz T, Ruiz F, Ayoade F. Leukocytoclastic vasculitis caused by sulfamethoxazole-trimethoprim. Clin Case Rep 2024; 12:e8437. [PMID: 38314186 PMCID: PMC10834380 DOI: 10.1002/ccr3.8437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 12/18/2023] [Accepted: 12/28/2023] [Indexed: 02/06/2024] Open
Abstract
Leukocytoclastic vasculitis is a rare, small-vessel vasculitis that can be caused by sulfamethoxazole-trimethoprim. Most presentations involve skin rash but serious systemic involvement is possible. The precise mechanism is unclear but genetic and immune-based tissue damage has been postulated. The rash often resolves with discontinuation of sulfamethoxazole-trimethoprim with or without steroids.
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Affiliation(s)
| | - Nadine Montreuil
- University of Miami Miller School of Medicine USA Miami Florida USA
| | - Ayoola Olayiwola
- University of Miami Miller School of Medicine USA Miami Florida USA
| | - Tanya Quiroz
- Infectious Diseases Division, Jackson Health System Miami Florida USA
| | - Felipe Ruiz
- Pathology Department, Jackson Health System Miami Florida USA
| | - Folusakin Ayoade
- University of Miami Miller School of Medicine USA Miami Florida USA
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2
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Chu MT, Chang WC, Pao SC, Hung SI. Delayed Drug Hypersensitivity Reactions: Molecular Recognition, Genetic Susceptibility, and Immune Mediators. Biomedicines 2023; 11:biomedicines11010177. [PMID: 36672685 PMCID: PMC9855900 DOI: 10.3390/biomedicines11010177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/29/2022] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
Drug hypersensitivity reactions are classified into immediate and delayed types, according to the onset time. In contrast to the immediate type, delayed drug hypersensitivity mainly involves T lymphocyte recognition of the drug antigens and cell activation. The clinical presentations of such hypersensitivity are various and range from mild reactions (e.g., maculopapular exanthema (MPE) and fixed drug eruption (FDE)), to drug-induced liver injury (DILI) and severe cutaneous adverse reactions (SCARs) (e.g., Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms (DRESS), and acute generalized exanthematous pustulosis (AGEP)). The common culprits of delayed drug hypersensitivity include anti-epileptics, antibiotics, anti-gout agents, anti-viral drugs, etc. Delayed drug hypersensitivity is proposed to be initiated by different models of molecular recognition, composed of drug/metabolite antigen and endogenous peptide, HLA presentation, and T cell receptor (TCR) interaction. Increasing the genetic variants of HLA loci and drug metabolic enzymes has been identified to be responsible for delayed drug hypersensitivity. Furthermore, preferential TCR clonotypes, and the activation of cytotoxic proteins/cytokines/chemokines, are also involved in the pathogenesis of delayed drug hypersensitivity. This review provides a summary of the current understanding of the molecular recognition, genetic susceptibility, and immune mediators of delayed drug hypersensitivity.
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Affiliation(s)
- Mu-Tzu Chu
- Cancer Vaccine & Immune Cell Therapy Core Lab, Department of Medical Research, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
| | - Wan-Chun Chang
- Division of Translational Therapeutics, Department of Paediatrics, Faculty of Medicine, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Shih-Cheng Pao
- Cancer Vaccine & Immune Cell Therapy Core Lab, Department of Medical Research, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
- Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Shuen-Iu Hung
- Cancer Vaccine & Immune Cell Therapy Core Lab, Department of Medical Research, Chang Gung Memorial Hospital, Linkou Branch, Taoyuan 333, Taiwan
- Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
- Drug Hypersensitivity Clinical and Research Center, Department of Dermatology, Chang Gung Memorial Hospital, Linkou 333, Taiwan
- Correspondence: or ; Tel.: +886-3-3281200 (ext. 7806)
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Nakkam N, Saksit N, Konyoung P, Amornpinyo W, Khunarkornsiri U, Purimart D, Pattanacheewapull O, Naewla T, Wattanachai P, Khaeso K, Chumworathayi P, Tassaneeyakul W. Associations of HLA and drug-metabolizing enzyme genes in co-trimoxazole-induced severe cutaneous adverse reactions. Drug Metab Pharmacokinet 2022; 47:100480. [DOI: 10.1016/j.dmpk.2022.100480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 11/03/2022]
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Deshpande P, Li Y, Thorne M, Palubinsky AM, Phillips EJ, Gibson A. Practical Implementation of Genetics: New Concepts in Immunogenomics to Predict, Prevent, and Diagnose Drug Hypersensitivity. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1689-1700. [PMID: 35526777 PMCID: PMC9948495 DOI: 10.1016/j.jaip.2022.04.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 04/26/2022] [Accepted: 04/26/2022] [Indexed: 02/05/2023]
Abstract
Delayed drug hypersensitivities are CD8+ T cell-mediated reactions associated with up to 50% mortality. Human leukocyte antigen (HLA) alleles are known to predispose disease and are specific to drug, reaction, and patient ethnicity. Pretreatment screening is recommended for a handful of the strongest associations to identify and prevent drug use in high-risk patients. However, an incomplete predictive value implicates other HLA-imposed risk factors, and low carriage of many identified HLA-risk alleles combined with the high cost of sequence-based typing has limited economic viability for similar recommendation of screening across drugs and health care systems. For mitigation, an expanding armory of low-cost polymerase chain reaction-based screens is being developed, and HLA-imposed risk factors are being discovered. These include (1) polymorphic variants of metabolic and endoplasmic reticulum aminopeptidase enzymes toward multiallelic screening with increased predictivity; (2) regulation by immune checkpoint inhibitors, enabling detolerized animal models of human disease; and (3) immunodominant T cell receptors (TCR) on clonally expanded CD8+ T cells. For the latter, HLA risk-restricted TCR provides immunogenomic strategies and samples from a single patient to identify novel HLA-risk associations in underserved minority populations, tissue-relevant effector biomarkers toward earlier diagnosis and treatment, and HLA-TCR-presented immunogenic structures to aid future drug development.
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Affiliation(s)
- Pooja Deshpande
- Institute for Immunology and Infectious Disease (IIID), Murdoch University, Perth, WA, Australia
| | - Yueran Li
- Institute for Immunology and Infectious Disease (IIID), Murdoch University, Perth, WA, Australia
| | - Michael Thorne
- Institute for Immunology and Infectious Disease (IIID), Murdoch University, Perth, WA, Australia
| | | | - Elizabeth J Phillips
- Institute for Immunology and Infectious Disease (IIID), Murdoch University, Perth, WA, Australia,Vanderbilt University Medical Centre (VUMC), Nashville, TN, USA
| | - Andrew Gibson
- Institute for Immunology and Infectious Disease, Murdoch University, Perth, Western Australia, Australia.
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Huang YS, Tseng SY, Chang TE, Perng CL, Huang YH. Sulfamethoxazole-trimethoprim-induced liver injury and genetic polymorphisms of NAT2 and CYP2C9 in Taiwan. Pharmacogenet Genomics 2021; 31:200-206. [PMID: 34149005 DOI: 10.1097/fpc.0000000000000441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Sulfamethoxazole-trimethoprim (SMX-TMP) is one of the most frequently used antibiotics. SMX is metabolized by N-acetyltransferase (NAT) and cytochrome P450 2C9 (CYP2C9) to nontoxic or toxic intermediates. Little is known about the association between genetic variations of these enzymes and SMX-TMP-induced liver injury (SILI). The aim of this study was to explore the genetic polymorphisms of NAT2 and CYP2C9 and the susceptibility to SILI in a Han Chinese population. METHODS A total of 158 patients with SILI and 145 controls were recruited in this study. PCR-based genotyping with matrix-assisted laser desorption ionization-time of flight was used to assay the major NAT2 and CYP2C9 genotypes including NAT2 rs1495741, rs1041983, rs1801280, CYP2C9 rs1799853, rs1057910 and rs4918758. RESULTS The SILI group had a higher frequency of the NAT2 rs1495741 variant AA genotype and rs1041983 variant TT genotype than the controls (42.4 vs. 25.5%; P = 0.008, and 40.5 vs. 25.5%; P = 0.022, respectively). The SILI group had more slow acetylators than the controls (43.7 vs. 25.5%; P = 0.001). There were no significant differences in the genetic variations of CYP2C9 between the SILI and control groups. After adjusting for confounding factors, the NAT2 slow acetylators still had an increased risk of SILI (adjusted OR: 2.49; 95% confidence interval: 1.46-4.24; P = 0.001), especially in those with hepatocellular and mixed type SILI. CONCLUSIONS NAT2 slow acetylators are associated with a higher risk of SILI in the Han Chinese population. However, CYP2C9 genetic polymorphisms are not associated with the susceptibility to SILI.
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Affiliation(s)
- Yi-Shin Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Taipei Veterans General Hospital, and National Yang Ming Chiao Tung University School of Medicine, Taipei, Taiwan
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Satapornpong P, Pratoomwun J, Rerknimitr P, Klaewsongkram J, Nakkam N, Rungrotmongkol T, Konyoung P, Saksit N, Mahakkanukrauh A, Amornpinyo W, Khunarkornsiri U, Tempark T, Wantavornprasert K, Jinda P, Koomdee N, Jantararoungtong T, Rerkpattanapipat T, Wang CW, Naisbitt D, Tassaneeyakul W, Ariyachaipanich M, Roonghiranwat T, Pirmohamed M, Chung WH, Sukasem C. HLA-B*13 :01 Is a Predictive Marker of Dapsone-Induced Severe Cutaneous Adverse Reactions in Thai Patients. Front Immunol 2021; 12:661135. [PMID: 34017337 PMCID: PMC8130671 DOI: 10.3389/fimmu.2021.661135] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 04/13/2021] [Indexed: 01/25/2023] Open
Abstract
HLA-B*13:01 allele has been identified as the genetic determinant of dapsone hypersensitivity syndrome (DHS) among leprosy and non-leprosy patients in several studies. Dapsone hydroxylamine (DDS-NHOH), an active metabolite of dapsone, has been believed to be responsible for DHS. However, studies have not highlighted the importance of other genetic polymorphisms in dapsone-induced severe cutaneous adverse reactions (SCAR). We investigated the association of HLA alleles and cytochrome P450 (CYP) alleles with dapsone-induced SCAR in Thai non-leprosy patients. A prospective cohort study, 16 Thai patients of dapsone-induced SCARs (5 SJS-TEN and 11 DRESS) and 9 Taiwanese patients of dapsone-induced SCARs (2 SJS-TEN and 7 DRESS), 40 dapsone-tolerant controls, and 470 general Thai population were enrolled. HLA class I and II alleles were genotyped using polymerase chain reaction-sequence specific oligonucleotides (PCR-SSOs). CYP2C9, CYP2C19, and CYP3A4 genotypes were determined by the TaqMan real-time PCR assay. We performed computational analyses of dapsone and DDS-NHOH interacting with HLA-B*13:01 and HLA-B*13:02 alleles by the molecular docking approach. Among all the HLA alleles, only HLA-B*13:01 allele was found to be significantly associated with dapsone-induced SCARs (OR = 39.00, 95% CI = 7.67–198.21, p = 5.3447 × 10−7), SJS-TEN (OR = 36.00, 95% CI = 3.19–405.89, p = 2.1657 × 10−3), and DRESS (OR = 40.50, 95% CI = 6.38–257.03, p = 1.0784 × 10−5) as compared to dapsone-tolerant controls. Also, HLA-B*13:01 allele was strongly associated with dapsone-induced SCARs in Asians (OR = 36.00, 95% CI = 8.67–149.52, p = 2.8068 × 10−7) and Taiwanese (OR = 31.50, 95% CI = 4.80–206.56, p = 2.5519 × 10−3). Furthermore, dapsone and DDS-NHOH fit within the extra-deep sub pocket of the antigen-binding site of the HLA-B*13:01 allele and change the antigen-recognition site. However, there was no significant association between genetic polymorphism of cytochrome P450 (CYP2C9, CYP2C19, and CYP3A4) and dapsone-induced SCARs (SJS-TEN and DRESS). The results of this study support the specific genotyping of the HLA-B*13:01 allele to avoid dapsone-induced SCARs including SJS-TEN and DRESS before initiating dapsone therapy in the Asian population.
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Affiliation(s)
- Patompong Satapornpong
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand.,Division of General Pharmacy Practice, Department of Pharmaceutical Care, College of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Jirawat Pratoomwun
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand.,Department of Clinical Chemistry, Faculty of Medical Technology, Huachiew Chalermprakiet University, Samut Prakan, Thailand
| | - Pawinee Rerknimitr
- The Skin and Allergy Research Unit, Chulalongkorn University, Bangkok, Thailand.,Division of Dermatology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Jettanong Klaewsongkram
- The Skin and Allergy Research Unit, Chulalongkorn University, Bangkok, Thailand.,Division of Allergy and Clinical Immunology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Nontaya Nakkam
- Department of Pharmacology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Thanyada Rungrotmongkol
- Biocatalyst and Environmental Biotechnology Research Unit, Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.,Program in Bioinformatics and Computational Biology, Graduated School, Chulalongkorn University, Bangkok, Thailand
| | | | - Niwat Saksit
- Unit of Excellence on Pharmacogenomic Pharmacokinetic and Pharmacotherapeutic Researches (UPPER), School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand
| | - Ajanee Mahakkanukrauh
- Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Warayuwadee Amornpinyo
- Division of Dermatology, Department of Internal Medicine, Khon Kaen Hospital, Khon Kaen, Thailand
| | | | - Therdpong Tempark
- Division of Dermatology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Pimonpan Jinda
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand
| | - Napatrupron Koomdee
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand
| | - Thawinee Jantararoungtong
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand
| | - Ticha Rerkpattanapipat
- Division of Allergy Immunology and Rheumatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chuang-Wei Wang
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital (CGMH), Taipei, Taiwan.,Cancer Vaccine and Immune Cell Therapy Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China
| | - Dean Naisbitt
- Department of Molecular and Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, United Kingdom
| | | | | | | | - Munir Pirmohamed
- Department of Molecular and Clinical Pharmacology, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, United Kingdom
| | - Wen-Hung Chung
- Department of Dermatology, Drug Hypersensitivity Clinical and Research Center, Chang Gung Memorial Hospital (CGMH), Taipei, Taiwan.,Cancer Vaccine and Immune Cell Therapy Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan.,Department of Dermatology, Xiamen Chang Gung Hospital, Xiamen, China.,Whole-Genome Research Core Laboratory of Human Diseases, Chang Gung Memorial Hospital, Keelung, Taiwan.,Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chonlaphat Sukasem
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand.,The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group, Bangkok, Thailand
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7
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Elzagallaai AA, Rieder MJ. Model Based Evaluation of Hypersensitivity Adverse Drug Reactions to Antimicrobial Agents in Children. Front Pharmacol 2021; 12:638881. [PMID: 33995043 PMCID: PMC8120305 DOI: 10.3389/fphar.2021.638881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 02/26/2021] [Indexed: 12/25/2022] Open
Abstract
Drug use in children is-in most cases-supported by extrapolation of data generated from clinical trials in adult populations. This puts children at higher risk of developing adverse drug reactions (ADRs) due to "off-label" use of drugs and dosing issues. Major types of ADRs are drug hypersensitivity reactions, an idiosyncratic type of ADRs that are largely unpredictable and can cause high morbidity and mortality in a hard-to-identify specific population of patients. Lack of a complete understanding of the pathophysiology of DHRs and their unpredictive nature make them problematic in clinical practice and in drug development. In addition, ethical and legal obstacles hinder conducting large clinical trials in children, which in turn make children a "therapeutic orphan" where clear clinical guidelines are lacking, and practice is based largely on the personal experience of the clinician, hence making modeling desirable. This brief review summarizes the current knowledge of model-based evaluation of diagnosis and management of drug hypersensitivity reactions (DHRs) to antimicrobial drugs in the pediatric population. Ethical and legal aspects of drug research in children and the effect of different stages of child development and other factors on the risk of DHRs are discussed. The role of animal models, in vitro models and oral provocation test in management of DHRs are examined in the context of the current understanding of the pathophysiology of DHRs. Finally, recent changes in drug development legislations have been put forward to encourage drug developers to conduct trials in children clearly indicate the urgent need for evidence to support drug safety in children and for modeling to guide these clinical trials.
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Affiliation(s)
- Abdelbaset A Elzagallaai
- Department of Paediatrics, London, ON, Canada.,Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| | - Michael J Rieder
- Department of Paediatrics, London, ON, Canada.,Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
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Li Y, Deshpande P, Hertzman RJ, Palubinsky AM, Gibson A, Phillips EJ. Genomic Risk Factors Driving Immune-Mediated Delayed Drug Hypersensitivity Reactions. Front Genet 2021; 12:641905. [PMID: 33936169 PMCID: PMC8085493 DOI: 10.3389/fgene.2021.641905] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 03/08/2021] [Indexed: 12/19/2022] Open
Abstract
Adverse drug reactions (ADRs) remain associated with significant mortality. Delayed hypersensitivity reactions (DHRs) that occur greater than 6 h following drug administration are T-cell mediated with many severe DHRs now associated with human leukocyte antigen (HLA) risk alleles, opening pathways for clinical prediction and prevention. However, incomplete negative predictive value (NPV), low positive predictive value (PPV), and a large number needed to test (NNT) to prevent one case have practically prevented large-scale and cost-effective screening implementation. Additional factors outside of HLA contributing to risk of severe T-cell-mediated DHRs include variation in drug metabolism, T-cell receptor (TCR) specificity, and, most recently, HLA-presented immunopeptidome-processing efficiencies via endoplasmic reticulum aminopeptidase (ERAP). Active research continues toward identification of other highly polymorphic factors likely to impose risk. These include those previously associated with T-cell-mediated HLA-associated infectious or auto-immune disease such as Killer cell immunoglobulin-like receptors (KIR), epistatically linked with HLA class I to regulate NK- and T-cell-mediated cytotoxic degranulation, and co-inhibitory signaling pathways for which therapeutic blockade in cancer immunotherapy is now associated with an increased incidence of DHRs. As such, the field now recognizes that susceptibility is not simply a static product of genetics but that individuals may experience dynamic risk, skewed toward immune activation through therapeutic interventions and epigenetic modifications driven by ecological exposures. This review provides an updated overview of current and proposed genetic factors thought to predispose risk for severe T-cell-mediated DHRs.
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Affiliation(s)
- Yueran Li
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Pooja Deshpande
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Rebecca J. Hertzman
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Amy M. Palubinsky
- Department of Medicine, Vanderbilt University Medical Centre, Nashville, TN, United States
| | - Andrew Gibson
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
| | - Elizabeth J. Phillips
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, WA, Australia
- Department of Medicine, Vanderbilt University Medical Centre, Nashville, TN, United States
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9
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Tong H, Phan NVT, Nguyen TT, Nguyen DV, Vo NS, Le L. Review on Databases and Bioinformatic Approaches on Pharmacogenomics of Adverse Drug Reactions. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2021; 14:61-75. [PMID: 33469342 PMCID: PMC7812041 DOI: 10.2147/pgpm.s290781] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/26/2020] [Indexed: 12/27/2022]
Abstract
Pharmacogenomics has been used effectively in studying adverse drug reactions by determining the person-specific genetic factors associated with individual response to a drug. Current approaches have revealed the significant importance of sequencing technologies and sequence analysis strategies for interpreting the contribution of genetic variation in developing adverse reactions. Advance in next generation sequencing and platform brings new opportunities in validating the genetic candidates in certain reactions, and could be used to develop the preemptive tests to predict the outcome of the variation in a personal response to a drug. With the highly accumulated available data recently, the in silico approach with data analysis and modeling plays as other important alternatives which significantly support the final decisions in the transformation from research to clinical applications such as diagnosis and treatments for various types of adverse responses.
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Affiliation(s)
- Hang Tong
- School of Biotechnology, International University, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Nga V T Phan
- School of Biotechnology, International University, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Thanh T Nguyen
- Department of Translational Biomedical Informatics, Vingroup Big Data Institute, Hanoi, Vietnam
| | - Dinh V Nguyen
- Department of Respiratory, Allergy and Clinical Immunology, Vinmec International Hospital, Hanoi, Vietnam.,College of Health Sciences, VinUniversity, Hanoi, Vietnam
| | - Nam S Vo
- Department of Translational Biomedical Informatics, Vingroup Big Data Institute, Hanoi, Vietnam
| | - Ly Le
- School of Biotechnology, International University, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam.,Department of Translational Biomedical Informatics, Vingroup Big Data Institute, Hanoi, Vietnam
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10
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Sukasem C, Pratoomwun J, Satapornpong P, Klaewsongkram J, Rerkpattanapipat T, Rerknimitr P, Lertpichitkul P, Puangpetch A, Nakkam N, Konyoung P, Khunarkornsiri U, Disphanurat W, Srisuttiyakorn C, Pattanacheewapull O, Kanjanawart S, Kongpan T, Chumworathayi P, Saksit N, Bruminhent J, Tassaneeyakul W, Chantratita W, Pirmohamed M. Genetic Association of Co-Trimoxazole-Induced Severe Cutaneous Adverse Reactions Is Phenotype-Specific: HLA Class I Genotypes and Haplotypes. Clin Pharmacol Ther 2020; 108:1078-1089. [PMID: 32452529 DOI: 10.1002/cpt.1915] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 05/15/2020] [Indexed: 12/17/2022]
Abstract
Co-trimoxazole (CTX) causes various forms of severe cutaneous adverse reactions (SCARs). This case-control study was conducted to investigate the involvement between genetic variants of human leukocyte antigen (HLA) and CYP2C9 in CTX-induced SCARs, including Stevens-Johnson syndrome (SJS)/toxic epidermal necrolysis (TEN) and drug reaction with eosinophilia and systemic symptoms (DRESS) in Thai patients. Thirty cases of CTX-induced SCARs were enrolled and compared with 91 CTX-tolerant controls and 150 people from the general Thai population. Cases comprised 18 SJS/TEN and 12 DRESS patients. This study demonstrated that genetic association of CTX-induced SCARs was phenotype-specific. HLA-B*15:02 and HLA-C*08:01 alleles were significantly associated with CTX-induced SJS/TEN, whereas the HLA-B*13:01 allele was significantly associated with CTX-induced DRESS. In addition, a significant higher frequency of HLA-A*11:01-B*15:02 and HLA-B*13:01-C*03:04 haplotypes were detected in the group of CTX-induced Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) and DRESS cases, respectively. Genetic association of CTX-induced SCARs is phenotype-specific. Interestingly, these association was observed only in HIV-infected patients but not in non-HIV-infected patients.
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Affiliation(s)
- Chonlaphat Sukasem
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand.,The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group
| | - Jirawat Pratoomwun
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand
| | - Patompong Satapornpong
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand.,Division of General Pharmacy Practice, Department of Pharmaceutical Care, Faculty of Pharmacy, Rangsit University, Pathum Thani, Thailand
| | - Jettanong Klaewsongkram
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Allergy and Clinical Immunology, Department of Medicine, Faculty of Medicine, Skin and Allergy Research Unit, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Ticha Rerkpattanapipat
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Allergy Immunology and Rheumatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Pawinee Rerknimitr
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Dermatology, Department of Medicine, Faculty of Medicine, Skin and Allergy Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Pattamon Lertpichitkul
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Dermatology, Department of Medicine, Faculty of Medicine, Skin and Allergy Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Apichaya Puangpetch
- Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.,Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC), Ramathibodi Hospital, Bangkok, Thailand
| | - Nontaya Nakkam
- Department of Pharmacology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | | | | | - Wareeporn Disphanurat
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Dermatology, Department of Medicine, Faculty of Medicine, Thammasat University, Pathumthani, Thailand
| | - Chutika Srisuttiyakorn
- The Thai Severe Cutaneous Adverse Drug Reaction (THAI-SCAR) Research Group.,Division of Dermatology, Department of Medicine, Phramongkutklao Hospital, Phramongkutklao College of Medicine, Bangkok, Thailand
| | | | | | - Thachanan Kongpan
- Department of Pathology, Faculty of Medicine, Khon Kaen University, Thailand
| | - Pansu Chumworathayi
- Pharmacy Unit, Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Thailand
| | - Niwat Saksit
- School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand
| | - Jackrapong Bruminhent
- Division of Infectious Diseases, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | | | - Wasun Chantratita
- Genomic Medicine Center, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Munir Pirmohamed
- Department of Molecular and Clinical Pharmacology, The Royal Liverpool, Broadgreen University Hospitals NHS Trust, MRC Centre for Drug Safety Science, Liverpool Health Partners, University of Liverpool, Liverpool, UK
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11
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Oussalah A, Yip V, Mayorga C, Blanca M, Barbaud A, Nakonechna A, Cernadas J, Gotua M, Brockow K, Caubet J, Bircher A, Atanaskovic‐Markovic M, Demoly P, Kase‐Tanno L, Terreehorst I, Laguna JJ, Romano A, Guéant J, Pirmohamed M. Genetic variants associated with T cell-mediated cutaneous adverse drug reactions: A PRISMA-compliant systematic review-An EAACI position paper. Allergy 2020; 75:1069-1098. [PMID: 31899808 DOI: 10.1111/all.14174] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 09/27/2019] [Accepted: 10/23/2019] [Indexed: 12/11/2022]
Abstract
Drug hypersensitivity reactions (DHRs) are associated with high global morbidity and mortality. Cutaneous T cell-mediated reactions classically occur more than 6 hours after drug administration and include life-threatening conditions such as toxic epidermal necrolysis, Stevens-Johnson syndrome, and hypersensitivity syndrome. Over the last 20 years, significant advances have been made in our understanding of the pathogenesis of DHRs with the identification of human leukocyte antigens as predisposing factors. This has led to the development of pharmacogenetic screening tests, such as HLA-B*57:01 in abacavir therapy, which has successfully reduced the incidence of abacavir hypersensitivity reactions. We have completed a PRISMA-compliant systematic review to identify genetic associations that have been reported in DHRs. In total, 105 studies (5554 cases and 123 548 controls) have been included in the review reporting genetic associations with carbamazepine (n = 31), other aromatic antiepileptic drugs (n = 24), abacavir (n = 11), nevirapine (n = 14), trimethoprim-sulfamethoxazole (n = 11), dapsone (n = 4), allopurinol (n = 10), and other drugs (n = 5). The most commonly reported genetic variants associated with DHRs are located in human leukocyte antigen genes and genes involved in drug metabolism pathways. Increasing our understanding of genetic variants that contribute to DHRs will allow us to improve diagnosis, develop new treatments, and predict and prevent DHRs in the future.
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Affiliation(s)
- Abderrahim Oussalah
- INSERM UMR_S 1256 NGERE – Nutrition, Genetics, and Environmental Risk Exposure Faculty of Medicine of Nancy University of Lorraine Nancy France
- Department of Molecular Medicine Division of Biochemistry, Molecular Biology, and Nutrition University Hospital of Nancy Nancy France
| | - Vincent Yip
- Department of Molecular and Clinical Pharmacology MRC Centre for Drug Safety Science University of Liverpool Liverpool UK
- Royal Liverpool and Broadgreen University Hospital NHS Trust Liverpool UK
- The Wolfson Centre for Personalized Medicine Institute of Translational Medicine University of Liverpool Liverpool UK
| | - Cristobalina Mayorga
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA‐ARADyAL Málaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga‐ARADyAL Málaga Spain
| | - Miguel Blanca
- Allergy Research Group Instituto de Investigación Biomédica de Málaga‐IBIMA‐ARADyAL Málaga Spain
- Allergy Unit Hospital Regional Universitario de Málaga‐ARADyAL Málaga Spain
| | - Annick Barbaud
- Dermatology and Allergology Department Tenon Hospital (AP‐HP) Sorbonne Universities UPMC University Paris 06 Paris France
| | - Alla Nakonechna
- Allergy and Immunology Clinic Royal Liverpool and Broadgreen University Hospital Liverpool UK
| | - Josefina Cernadas
- Department of Allergy and Clinical Immunology Centro Hospitalar Universitário de Sâo João Porto Portugal
- Allergy Clinic Hospital Lusíadas Porto Portugal
| | - Maia Gotua
- Center for Allergy and Immunology Research Tbilisi Georgia
| | - Knut Brockow
- Klinik für Dermatologie und Allergologie am Biederstein Technische Universität München München Germany
| | | | - Andreas Bircher
- Dermatologie/Allergologie Universitätsspital Basel Basel Switzerland
| | - Marina Atanaskovic‐Markovic
- Medical Faculty Department of Allergology and Pulmonology University Children's Hospital University of Belgrade Belgrade Serbia
| | - Pascal Demoly
- Division of Allergy Department of Pulmonology Hôpital Arnaud de Villeneuve University Hospital of Montpellier Montpellier France
| | | | - Ingrid Terreehorst
- Academisch Medisch Centrum University of Amsterdam Amsterdam Netherlands
| | | | | | - Jean‐Louis Guéant
- INSERM UMR_S 1256 NGERE – Nutrition, Genetics, and Environmental Risk Exposure Faculty of Medicine of Nancy University of Lorraine Nancy France
- Department of Molecular Medicine Division of Biochemistry, Molecular Biology, and Nutrition University Hospital of Nancy Nancy France
| | - Munir Pirmohamed
- Department of Molecular and Clinical Pharmacology MRC Centre for Drug Safety Science University of Liverpool Liverpool UK
- Royal Liverpool and Broadgreen University Hospital NHS Trust Liverpool UK
- The Wolfson Centre for Personalized Medicine Institute of Translational Medicine University of Liverpool Liverpool UK
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12
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N-acetyltransferase 2 enzyme genotype-phenotype discordances in both HIV-negative and HIV-positive Nigerians. Pharmacogenet Genomics 2020; 29:106-113. [PMID: 30882558 DOI: 10.1097/fpc.0000000000000373] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND The N-acetyltransferase 2 (NAT2) enzyme has been understudied in Nigerians including genotype-phenotype association studies. OBJECTIVE The aim of this study was NAT2 haplotype identification and genotype-phenotype investigations in HIV-positive and HIV-negative Nigerians. PATIENTS AND METHODS Phenotypes included self-reported sulphonamide hypersensitivity survey, experimental and computational NAT2 phenotyping. The NAT2 gene was amplified by PCR. Gene sequencing used ABI 3730 and Haploview 4.2 for haplotype reconstruction. Genotype-phenotype analyses used the χ P-value and odds ratio with a 95% confidence interval. RESULTS Self-reported sulphonamide hypersensitivity showed a prevalence of 3.1 and 12.4% in HIV-positive and HIV-negative Nigerians, respectively. NAT2 genetic variants 191G>A, 282C>T, 341T>C, 481C>T, 590G>A, 803A>G and 857G>A were not significantly different between both groups (odds ratio=0.87; 95% confidence interval: 0.54-1.38, P=0.55). Nine haplotypes: NAT2*4, NAT2*12A, NAT2*13A, NAT2*5B, NAT2*6A, NAT2*7B, NAT2*5C, NAT2*14B and NAT2*14A had frequencies more than 1%, whereas NAT2*12B had 1.1% in the HIV-positive and 0.4% in the HIV-negative group. Overall, slow acetylator haplotypes made up 68%. The NAT2*12 signature single-nucleotide polymorphism was in high linkage disequilibrium with signature single-nucleotide polymorphism for NAT2*13 (D'=0.97, r=0.61) and NAT2*5 (D'=0.98, r=0.64). Genotype-phenotype association analysis showed haplotypes NAT2*13A, NAT2*5C, NAT2*7B and NAT2*14A to be associated strongly with the slow metabolic phenotype (P=0.002, 0.029, 0.032 and 0.050, respectively). Computational phenotypes were similar, with 30.9, 66 and 3.1% for slow, intermediate and rapid acetylators, respectively, among HIV-positive Nigerians and 31.2, 66.3 and 2.5% among the HIV-negative group. Overall, slow phenotypes made up 31%. CONCLUSION NAT2 haplotype frequencies are similar in Nigerians, irrespective of HIV status, but genotype-phenotype discordances exist.
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13
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Elzagallaai AA, Sultan EA, Bend JR, Abuzgaia AM, Loubani E, Rieder MJ. Role of Oxidative Stress in Hypersensitivity Reactions to Sulfonamides. J Clin Pharmacol 2019; 60:409-421. [PMID: 31709574 DOI: 10.1002/jcph.1535] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 09/26/2019] [Indexed: 12/16/2022]
Abstract
Antimicrobial sulfonamides are important medications. However, their use is associated with major immune-mediated drug hypersensitivity reactions with a rate that ranges from 3% to 4% in the general population. The pathophysiology of sulfa-induced drug hypersensitivity reactions is not well understood, but accumulation of reactive metabolites (sulfamethoxazole [SMX] hydroxylamine [SMX-HA] and SMX N-nitrosamine [SMX-NO]) is thought to be a major factor. These reactive metabolites contribute to the formation of reactive oxygen species (ROS) known to cause cellular damage and induce cell death through apoptosis and necroptosis. ROS can also serve as "danger signals," priming immune cells to mount an immunological reaction. We recruited 26 sulfa-hypersensitive (HS) patients, 19 healthy control subjects, and 6 sulfa-tolerant patients to this study. Peripheral blood monocytes and platelets were isolated from blood samples and analyzed for in vitro cytotoxicity, ROS and carbonyl protein formation, lipid peroxidation, and GSH (glutathione) content after challenge with SMX-HA. When challenged with SMX-HA, cells isolated from sulfa-HS patients exhibited significantly (P ≤ .05) higher cell death, ROS and carbonyl protein formation, and lipid peroxidation. In addition, there was a high correlation between cell death in PBMCs and ROS levels. There was also depletion of GSH and lower GSH/GSSG ratios in peripheral blood mononuclear cells from sulfa-HS patients. The amount of ROS formed was negatively correlated with intracellular GSH content. The data demonstrate a major role for oxidative stress in in vitro cytotoxicity of SMX reactive metabolites and indicate increased vulnerability of cells from sulfa-HS patients to the in vitro challenge.
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Affiliation(s)
- Abdelbaset A Elzagallaai
- Department of Paediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.,Physiology and Pharmacology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Elham A Sultan
- Department of Paediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - John R Bend
- Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Awatif M Abuzgaia
- Department of Paediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Eman Loubani
- Department of Paediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
| | - Michael J Rieder
- Department of Paediatrics, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.,Pathology and Laboratory Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
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14
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CYP2C9, CYP2D6, G6PD, GCLC, GSTM1 and NAT2 gene polymorphisms and risk of adverse reactions to sulfamethoxazole and ciprofloxacin in San Luis Potosí, Mexico. Meta Gene 2019. [DOI: 10.1016/j.mgene.2019.100574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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15
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Reinhart JM, Rose W, Panyard DJ, Newton MA, Liebenstein TK, Yee J, Trepanier LA. RNA expression profiling in sulfamethoxazole-treated patients with a range of in vitro lymphocyte cytotoxicity phenotypes. Pharmacol Res Perspect 2018; 6:e00388. [PMID: 29511567 PMCID: PMC5832900 DOI: 10.1002/prp2.388] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 01/31/2018] [Indexed: 12/13/2022] Open
Abstract
The lymphocyte toxicity assay (LTA) is a proposed surrogate marker of sulfonamide antibiotic hypersensitivity. In the LTA, peripheral blood mononuclear cells (PBMCs) undergo apoptosis more readily in hypersensitive versus tolerant patients when exposed to drug-hydroxylamine metabolites in vitro. The purpose of this study was to identify key gene transcripts associated with increased cytotoxicity from sulfamethoxazole-hydroxylamine in human PBMCs in the LTA. The LTA was performed on PBMCs of 10 patients hypersensitive to trimethoprim-sulfamethoxazole (HS) and 10 drug-tolerant controls (TOL), using two cytotoxicity assays: YO-PRO (n = 20) and MTT (n = 12). mRNA expression profiles of PBMCs, enriched for CD8+ T cells, were compared between HS and TOL patients. Transcript expression was interrogated for correlation with % cytotoxicity from YO-PRO and MTT assays. Correlated transcripts of interest were validated by qPCR. LTA results were not significantly different between HS and TOL patients, and no transcripts were found to be differentially expressed between the two groups. 96 transcripts were correlated with cytotoxicity by YO-PRO (r = ±.63-.75, FDR 0.188). Transcripts were selected for validation based on mechanistic plausibility and three were significantly over-expressed by qPCR in high cytotoxicity patients: multi-specific organic anion transporter C (ABCC5), mitoferrin-1 (SLC25A37), and Porimin (TMEM123). These data identify novel transcripts that could contribute to sulfonamide-hydroxylamine induced cytotoxicity. These include SLC25A37, encoding a mitochondrial iron transporter, ABCC5, encoding an arylamine drug transporter, and TMEM123, encoding a transmembrane protein that mediates cell death.
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Affiliation(s)
- Jennifer M. Reinhart
- Department of Medical SciencesSchool of Veterinary MedicineUniversity of Wisconsin‐MadisonMadisonWIUSA
- Present address:
Department of Veterinary Clinical MedicineCollege of Veterinary MedicineUniversity of IllinoisUrbanaILUSA
| | - Warren Rose
- Pharmacy Practice DivisionSchool of PharmacyUniversity of Wisconsin‐MadisonMadisonWIUSA
| | - Daniel J. Panyard
- Department of Population Health SciencesSchool of Medicine and Public HealthUniversity of Wisconsin‐MadisonMadisonWIUSA
- Department of Biostatistics and Medical InformaticsSchool of Medicine and Public HealthUniversity of Wisconsin‐MadisonMadisonWIUSA
| | - Michael A. Newton
- Department of Biostatistics and Medical InformaticsSchool of Medicine and Public HealthUniversity of Wisconsin‐MadisonMadisonWIUSA
- Department of StatisticsCollege of Letters and SciencesUniversity of Wisconsin‐MadisonMadisonWIUSA
| | | | - Jeremiah Yee
- Department of OncologySchool of Medicine and Public HealthUniversity of Wisconsin‐MadisonMadisonWIUSA
| | - Lauren A. Trepanier
- Department of Medical SciencesSchool of Veterinary MedicineUniversity of Wisconsin‐MadisonMadisonWIUSA
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16
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Adler NR, Aung AK, Ergen EN, Trubiano J, Goh MSY, Phillips EJ. Recent advances in the understanding of severe cutaneous adverse reactions. Br J Dermatol 2017; 177:1234-1247. [PMID: 28256714 DOI: 10.1111/bjd.15423] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/24/2017] [Indexed: 12/17/2022]
Abstract
Severe cutaneous adverse reactions (SCARs) encompass a heterogeneous group of delayed hypersensitivity reactions, which are most frequently caused by drugs. Our understanding of several aspects of SCAR syndromes has evolved considerably over the last decade. This review explores evolving knowledge of the immunopathogenic mechanisms, pharmacogenomic associations, in vivo and ex vivo diagnostics for causality assessment, and medication cross-reactivity data related to SCAR syndromes. Given the rarity and severity of these diseases, multidisciplinary collaboration through large international, national and/or multicentre networks to collect prospective data on patients with SCAR syndromes should be prioritized. This will further enhance a systematized framework for translating epidemiological, clinical and immunopathogenetic advances into preventive efforts and improved outcomes for patients.
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Affiliation(s)
- N R Adler
- School of Public Health & Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Alfred Hospital, Melbourne, Victoria, Australia
| | - A K Aung
- School of Public Health & Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Alfred Hospital, Melbourne, Victoria, Australia
| | - E N Ergen
- Department of Dermatology, University of Alabama, Birmingham, AL, U.S.A
| | - J Trubiano
- Austin Health, Melbourne, Victoria, Australia.,The University of Melbourne, Melbourne, Victoria, Australia
| | - M S Y Goh
- Alfred Hospital, Melbourne, Victoria, Australia
| | - E J Phillips
- Institute for Immunology and Infectious Diseases, Murdoch University, Murdoch, Western Australia, Australia.,Department of Medicine, Vanderbilt University Medical Centre, Nashville, TN, U.S.A
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17
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Singh H, Lata S, Nema V, Samani D, Ghate M, Gangakhedkar RR. CYP1A1m1 and CYP2C9*2 and *3 polymorphism and risk to develop ARV-associated hepatotoxicity and its severity. APMIS 2017; 125:523-535. [PMID: 28370504 DOI: 10.1111/apm.12683] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 01/22/2017] [Indexed: 11/30/2022]
Abstract
Non-nucleoside reverse transcriptase inhibitors are metabolized in the liver by cytochrome P450 (CYP) isoenzymes. Variations in the genes encoding these enzymes may influence the activity of corresponding metabolizing enzymes. This study aimed at assessing association of CYP2C9*2 430C/T, CYP2C9*31075A/C, and CYP1A1m1 3801T/C polymorphism with risk to develop ARV Antiretroviral-associated hepatotoxicity and its severity. In this case-control study, genotyping of CYP2C9*2, CYP2C9*3, and CYP1A1m1 genes was done in 34 HIV-infected individuals with hepatotoxicity and 131 without hepatotoxicity, and 153 unrelated healthy individuals using PCR-RFLP. CYP1A1m13801CC genotype was likely to be associated with severe ARV-associated hepatotoxicity (OR = 1.78, p = 0.70). CYP1A1m13801CC genotype and combined genotype TC + CC were likely to be associated with development of ARV-associated hepatotoxicity (OR = 2.57, p = 0.08; OR = 1.42, p = 0.17). CYP1A1m1 3801CC genotype among advanced and intermediate HIV disease stage was likely to be associated with advancement of disease (OR = 2.56, p = 0.77; OR = 2.37, p = 0.45). CYP2C9*31075AC genotype among alcohol users was likely to be associated with development of ARV-associated hepatotoxicity (OR = 1.67, p = 0.38). CYP1A1m1 3801TC genotype and combined genotype TC + CC among nevirapine users were likely to be associated with severe ARV-associated hepatotoxicity (OR = 3.68, p = 0.27; OR = 4.91, p = 0.13). Among those who received nevirapine, presence of CYP1A1m1 3801TC genotype was likely to be associated with increased risk of development of ARV-associated hepatotoxicity (OR = 1.50, p = 0.78). CYP1A1m1 3801TC, 3801CC, and CYP2C9*3 1075AC genotypes among combined alcohol + nevirapine users increased the risk of development of ARV-associated hepatotoxicity (OR = 1.41, p = 0.53; OR = 1.49, p = 0.83; OR = 1.78, p = 0.35). In conclusion, individuals with CYP1A1m13801CC and 3801TC genotypes independently and in the presence of alcohol and nevirapine usage is likely to be associated with increased risk of development of ARV-associated hepatotoxicity, its severity, and advancement of disease. CYP2C9*31075AC genotype with combined alcohol and nevirapine usage indicated a risk for development of ARV-associated hepatotoxicity.
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Affiliation(s)
- HariOm Singh
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - Sonam Lata
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - Vijay Nema
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - Dharmesh Samani
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - Manisha Ghate
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
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18
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Ogese MO, Ahmed S, Alferivic A, Betts CJ, Dickinson A, Faulkner L, French N, Gibson A, Hirschfield GM, Kammüller M, Meng X, Martin SF, Musette P, Norris A, Pirmohamed M, Park BK, Purcell AW, Spraggs CF, Whritenour J, Naisbitt DJ. New Approaches to Investigate Drug-Induced Hypersensitivity. Chem Res Toxicol 2016; 30:239-259. [DOI: 10.1021/acs.chemrestox.6b00333] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Monday O. Ogese
- Pathology Sciences, Drug Safety and Metabolism, AstraZeneca R&D, Darwin Building 310, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, U.K
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Shaheda Ahmed
- Alcyomics
Ltd c/o Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 4HH, U.K
| | - Ana Alferivic
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Catherine J. Betts
- Pathology Sciences, Drug Safety and Metabolism, AstraZeneca R&D, Darwin Building 310, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, U.K
| | - Anne Dickinson
- Alcyomics
Ltd c/o Haematological Sciences, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne NE2 4HH, U.K
| | - Lee Faulkner
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Neil French
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Andrew Gibson
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Gideon M. Hirschfield
- Centre for Liver Research, NIHR Birmingham Liver Biomedical
Research Unit, Institute of Immunology and Immunotherapy, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Michael Kammüller
- Novartis Institutes for Biomedical Research, Klybeckstrasse 141, CH-4057 Basel, Switzerland
| | - Xiaoli Meng
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Stefan F. Martin
- Department of Dermatology and Venereology,
Allergy Research Group, University of Freiburg, Hauptstraße 7, 79104 Freiburg, Germany
| | - Philippe Musette
- Department of Dermatology and INSERM, University of Rouen, 905 Rouen, France
| | - Alan Norris
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Munir Pirmohamed
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
- The Wolfson Centre
for Personalised Medicine, Department of Molecular and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - B. Kevin Park
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
| | - Anthony W. Purcell
- Infection and Immunity
Program and Department of Biochemistry and Molecular Biology, Biomedicine
Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
| | - Colin F. Spraggs
- Medicines
Research Centre, GlaxoSmithKline, Gunnels Wood Road, Stevenage SG1 2NY, U.K
| | - Jessica Whritenour
- Drug Safety Research and Development, Pfizer, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Dean J. Naisbitt
- MRC Centre for Drug Safety Science, Department of Molecular
and Clinical Pharmacology, University of Liverpool, Ashton Street, Liverpool L69 3GE, U.K
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19
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Reinhart JM, Motsinger-Reif A, Dickey A, Yale S, Trepanier LA. Genome-Wide Association Study in Immunocompetent Patients with Delayed Hypersensitivity to Sulfonamide Antimicrobials. PLoS One 2016; 11:e0156000. [PMID: 27272151 PMCID: PMC4896425 DOI: 10.1371/journal.pone.0156000] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Accepted: 05/06/2016] [Indexed: 01/11/2023] Open
Abstract
Background Hypersensitivity (HS) reactions to sulfonamide antibiotics occur uncommonly, but with potentially severe clinical manifestations. A familial predisposition to sulfonamide HS is suspected, but robust predictive genetic risk factors have yet to be identified. Strongly linked genetic polymorphisms have been used clinically as screening tests for other HS reactions prior to administration of high-risk drugs. Objective The purpose of this study was to evaluate for genetic risk of sulfonamide HS in the immunocompetent population using genome-wide association. Methods Ninety-one patients with symptoms after trimethoprim-sulfamethoxazole (TMP-SMX) attributable to “probable” drug HS based on medical record review and the Naranjo Adverse Drug Reaction Probability Scale, and 184 age- and sex-matched patients who tolerated a therapeutic course of TMP-SMX, were included in a genome-wide association study using both common and rare variant techniques. Additionally, two subgroups of HS patients with a more refined clinical phenotype (fever and rash; or fever, rash and eosinophilia) were evaluated separately. Results For the full dataset, no single nucleotide polymorphisms were suggestive of or reached genome-wide significance in the common variant analysis, nor was any genetic locus significant in the rare variant analysis. A single, possible gene locus association (COL12A1) was identified in the rare variant analysis for patients with both fever and rash, but the sample size was very small in this subgroup (n = 16), and this may be a false positive finding. No other significant associations were found for the subgroups. Conclusions No convincing genetic risk factors for sulfonamide HS were identified in this population. These negative findings may be due to challenges in accurately confirming the phenotype in exanthematous drug eruptions, or to unidentified gene-environment interactions influencing sulfonamide HS.
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Affiliation(s)
- Jennifer M. Reinhart
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
| | - Alison Motsinger-Reif
- Bioinformatics Research Center, Department of Statistics, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Allison Dickey
- Bioinformatics Research Center, Department of Statistics, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Steven Yale
- Marshfield Clinic Research Foundation, Marshfield, Wisconsin, United States of America
| | - Lauren A. Trepanier
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
- * E-mail:
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20
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Candidate HLA genes for prediction of co-trimoxazole-induced severe cutaneous reactions. Pharmacogenet Genomics 2016; 25:402-11. [PMID: 26086150 DOI: 10.1097/fpc.0000000000000153] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Co-trimoxazole is a sulfonamide-containing antibiotic that is effective in the treatment of several infections and for prophylaxis of Pneumocystis jiroveci pneumonia. This drug has been reported as a common culprit drug for the Stevens-Johnson syndrome (SJS) and for toxic epidermal necrolysis (TEN). Human leukocyte antigens (HLAs) play a key role in the immunopathogenesis of severe cutaneous reactions induced by several drugs. This study investigated the association between the HLA class I and HLA-DRB1 polymorphisms and co-trimoxazole-induced SJS/TEN in a Thai population. METHODS Forty-three patients with co-trimoxazole-induced SJS/TEN and 91 co-trimoxazole-tolerant patients were enrolled in the study. HLA class I and HLA-DRB1 were genotyped using the reverse sequence-specific oligonucleotide probe method. RESULTS The frequencies of three alleles of HLA, namely HLA-B*15:02, HLA-C*06:02, and HLA-C*08:01, were significantly higher in the co-trimoxazole-induced SJS/TEN group compared with controls. The risks for co-trimoxazole-induced SJS/TEN in patients with the HLA-B*15:02, HLA-C*06:02, or HLA-C*08:01 allele were about 3-11-fold higher when compared with those who did not carry one of these alleles. Individuals who carried the HLA-B*15:02-C*08:01 haplotype had a 14-fold higher risk for co-trimoxazole-induced SJS/TEN. CONCLUSION Evidence of associations between co-trimoxazole-induced SJS/TEN and HLA alleles including HLA-B*15:02, HLA-C*06:02, and HLA-C*08:01 were found in the study population. These findings may suggest that apart from the HLA molecules, other molecules involved in the molecular pathogenesis of these severe cutaneous adverse drug reactions may play an important role in the susceptibility of individuals to SJS/TEN caused by co-trimoxazole.
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Implications of Pharmacogenetics for Antimicrobial Prescribing. Mol Microbiol 2016. [DOI: 10.1128/9781555819071.ch43] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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22
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Singh HO, Lata S, Angadi M, Bapat S, Pawar J, Nema V, Ghate MV, Sahay S, Gangakhedkar RR. Impact of GSTM1, GSTT1 and GSTP1 gene polymorphism and risk of ARV-associated hepatotoxicity in HIV-infected individuals and its modulation. THE PHARMACOGENOMICS JOURNAL 2015; 17:53-60. [PMID: 26667829 DOI: 10.1038/tpj.2015.88] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 09/15/2015] [Accepted: 11/02/2015] [Indexed: 12/29/2022]
Abstract
Glutathione S-transferase (GST) family is involved in a two-stage detoxification process of a wide range of environmental toxins, carcinogen and antiretroviral (ARV) therapy (ART) drugs. The aim of this study is to describe the impact of genetic polymorphisms of GSTM1, GSTT1 and GSTP1-313A/G in the risk of ARV-associated hepatotoxicity in HIV-infected individuals and its modulation in hepatotoxic patients. We enrolled a total of 34 patients with hepatotoxicity, 131 HIV-infected individuals without hepatotoxicity under non-nucleoside reverse transcriptase inhibitor containing ART and 153 unrelated healthy individuals. With a case-control design, polymorphisms of GSTM1, GSTT1 and GSTP1-313A/G gene were genotyped by PCR and restriction enzyme-length polymorphism. Genotypes of GSTT1 null were significantly higher in HIV-infected individuals as compared with healthy controls (P=0.01, odds ratio (OR)=1.54). HIV-infected individuals with GSTM1-null genotype showed higher risk (P=0.09, OR=1.37) for hepatotoxicity, but risk was not significant. On evaluating gene-gene interaction models, GSTM1 null and GSTT1 null showed significant association with the risk of hepatotoxicity in HIV-infected individuals (P=0.004, OR=2.67) owing to synergistic effect of these genes. Individuals with GSTT1-null and GSTM1-null genotypes showed higher risk of hepatotoxicity with advanced stage of (CD4<200) of HIV infection (P=0.18, OR=1.39; P=0.63, OR=1.13). In case-only analysis, GSTT1-null genotype among alcohol users showed elevated risk of hepatotoxicity in HIV-infected individuals (P=0.12, OR=1.36, 95% confidence interval (CI): 0.94-1.97) as compared with GSTT1 genotypes. The carriers GSTM1-null+GSTT1-null genotype among nevirapine user showed prominent risk of hepatotoxicity in HIV-infected individuals (P=0.12, OR=4.21, 95% CI: 0.60-29.54). Hence, we can conclude that GSTT1-null and GSTM1-null genotypes alone and in combination may predict the acquisition of hepatotoxicity.
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Affiliation(s)
- H O Singh
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - S Lata
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - M Angadi
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
| | - S Bapat
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
| | - J Pawar
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
| | - V Nema
- Department of Molecular Biology, National AIDS Research Institute, Pune, India
| | - M V Ghate
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
| | - S Sahay
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
| | - R R Gangakhedkar
- Department of Clinical Sciences, National AIDS Research Institute, Pune, India
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Baietto L, Corcione S, Pacini G, Perri GD, D'Avolio A, De Rosa FG. A 30-years review on pharmacokinetics of antibiotics: is the right time for pharmacogenetics? Curr Drug Metab 2015; 15:581-98. [PMID: 24909419 PMCID: PMC4435065 DOI: 10.2174/1389200215666140605130935] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 04/17/2014] [Accepted: 05/21/2014] [Indexed: 12/28/2022]
Abstract
Drug bioavailability may vary greatly amongst individuals, affecting both efficacy and toxicity: in humans, genetic variations account for a relevant proportion of such variability. In the last decade the use of pharmacogenetics in clinical practice, as a tool to individualize treatment, has shown a different degree of diffusion in various clinical fields. In the field of infectious diseases, several studies identified a great number of associations between host genetic polymor-phisms and responses to antiretroviral therapy. For example, in patients treated with abacavir the screening for HLA-B*5701 before starting treatment is routine clinical practice and standard of care for all patients; efavirenz plasma levels are influenced by single nucleotide polymorphism (SNP) CYP2B6-516G> T (rs3745274). Regarding antibiotics, many studies investigated drug transporters involved in antibiotic bioavailability, especially for fluoroquinolones, cephalosporins, and antituberculars. To date, few data are available about pharmacogenetics of recently developed antibiotics such as tigecycline, daptomycin or linezolid. Considering the effect of SNPs in gene coding for proteins involved in antibiotics bioavailability, few data have been published. Increasing knowledge in the field of antibiotic pharmacogenetics could be useful to explain the high drug inter-patients variability and to individualize therapy. In this paper we reported an overview of pharmacokinetics, pharmacodynamics, and pharmacogenetics of antibiotics to underline the importance of an integrated approach in choosing the right dosage in clinical practice.
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Affiliation(s)
| | | | | | | | | | - Francesco Giuseppe De Rosa
- Department of Medical Sciences, University of Turin, Infectious Diseases at Amedeo di Savoia Hospital, Corso Svizzera 164, 10149. Turin, Italy.
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24
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Aung AK, Haas DW, Hulgan T, Phillips EJ. Pharmacogenomics of antimicrobial agents. Pharmacogenomics 2015; 15:1903-30. [PMID: 25495412 DOI: 10.2217/pgs.14.147] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Antimicrobial efficacy and toxicity varies between individuals owing to multiple factors. Genetic variants that affect drug-metabolizing enzymes may influence antimicrobial pharmacokinetics and pharmacodynamics, thereby determining efficacy and/or toxicity. In addition, many severe immune-mediated reactions have been associated with HLA class I and class II genes. In the last two decades, understanding of pharmacogenomic factors that influence antimicrobial efficacy and toxicity has rapidly evolved, leading to translational success such as the routine use of HLA-B*57:01 screening to prevent abacavir hypersensitivity reactions. This article examines recent advances in the field of antimicrobial pharmacogenomics that potentially affect treatment efficacy and toxicity, and challenges that exist between pharmacogenomic discovery and translation into clinical use.
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Affiliation(s)
- Ar Kar Aung
- Department of General Medicine & Infectious Diseases, The Alfred Hospital, Melbourne, Victoria, Australia
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25
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Sim E, Abuhammad A, Ryan A. Arylamine N-acetyltransferases: from drug metabolism and pharmacogenetics to drug discovery. Br J Pharmacol 2014; 171:2705-25. [PMID: 24467436 PMCID: PMC4158862 DOI: 10.1111/bph.12598] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 08/15/2013] [Accepted: 08/26/2013] [Indexed: 12/12/2022] Open
Abstract
Arylamine N-acetyltransferases (NATs) are polymorphic drug-metabolizing enzymes, acetylating arylamine carcinogens and drugs including hydralazine and sulphonamides. The slow NAT phenotype increases susceptibility to hydralazine and isoniazid toxicity and to occupational bladder cancer. The two polymorphic human NAT loci show linkage disequilibrium. All mammalian Nat genes have an intronless open reading frame and non-coding exons. The human gene products NAT1 and NAT2 have distinct substrate specificities: NAT2 acetylates hydralazine and human NAT1 acetylates p-aminosalicylate (p-AS) and the folate catabolite para-aminobenzoylglutamate (p-abaglu). Human NAT2 is mainly in liver and gut. Human NAT1 and its murine homologue are in many adult tissues and in early embryos. Human NAT1 is strongly expressed in oestrogen receptor-positive breast cancer and may contribute to folate and acetyl CoA homeostasis. NAT enzymes act through a catalytic triad of Cys, His and Asp with the architecture of the active site-modulating specificity. Polymorphisms may cause unfolded protein. The C-terminus helps bind acetyl CoA and differs among NATs including prokaryotic homologues. NAT in Salmonella typhimurium supports carcinogen activation and NAT in mycobacteria metabolizes isoniazid with polymorphism a minor factor in isoniazid resistance. Importantly, nat is in a gene cluster essential for Mycobacterium tuberculosis survival inside macrophages. NAT inhibitors are a starting point for novel anti-tuberculosis drugs. Human NAT1-specific inhibitors may act in biomarker detection in breast cancer and in cancer therapy. NAT inhibitors for co-administration with 5-aminosalicylate (5-AS) in inflammatory bowel disease has prompted ongoing investigations of azoreductases in gut bacteria which release 5-AS from prodrugs including balsalazide.
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Affiliation(s)
- E Sim
- Faculty of Science Engineering and Computing, Kingston University, Kingston, UK; Department of Pharmacology, Oxford University, Oxford, UK
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26
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Sullivan A, Gibson A, Park BK, Naisbitt DJ. Are drug metabolites able to cause T-cell-mediated hypersensitivity reactions? Expert Opin Drug Metab Toxicol 2014; 11:357-68. [DOI: 10.1517/17425255.2015.992780] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Ott G, Plitzko B, Krischkowski C, Reichmann D, Bittner F, Mendel RR, Kunze T, Clement B, Havemeyer A. Reduction of Sulfamethoxazole Hydroxylamine (SMX-HA) by the Mitochondrial Amidoxime Reducing Component (mARC). Chem Res Toxicol 2014; 27:1687-95. [DOI: 10.1021/tx500174u] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Gudrun Ott
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
| | - Birte Plitzko
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
| | - Carmen Krischkowski
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
| | - Debora Reichmann
- Department
of Plant Biology, Braunschweig University of Technology, Humboldtstrasse
1, D-38106 Braunschweig, Germany
| | - Florian Bittner
- Department
of Plant Biology, Braunschweig University of Technology, Humboldtstrasse
1, D-38106 Braunschweig, Germany
| | - Ralf R. Mendel
- Department
of Plant Biology, Braunschweig University of Technology, Humboldtstrasse
1, D-38106 Braunschweig, Germany
| | - Thomas Kunze
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
| | - Bernd Clement
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
| | - Antje Havemeyer
- Department
of Pharmaceutical and Medicinal Chemistry, Pharmaceutical Institute, Christian-Albrechts-University of Kiel, Gutenbergstrasse 76, D-24118 Kiel, Germany
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PharmGKB summary: very important pharmacogene information for N-acetyltransferase 2. Pharmacogenet Genomics 2014; 24:409-25. [PMID: 24892773 DOI: 10.1097/fpc.0000000000000062] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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29
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Pirmohamed M, Drummond NS, Naisbitt DJ, Park BK. Drug hypersensitivity reactions in patients with HIV disease. Expert Rev Clin Immunol 2014; 3:395-410. [DOI: 10.1586/1744666x.3.3.395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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30
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Uetrecht J, Naisbitt DJ. Idiosyncratic adverse drug reactions: current concepts. Pharmacol Rev 2013; 65:779-808. [PMID: 23476052 DOI: 10.1124/pr.113.007450] [Citation(s) in RCA: 193] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Idiosyncratic drug reactions are a significant cause of morbidity and mortality for patients; they also markedly increase the uncertainty of drug development. The major targets are skin, liver, and bone marrow. Clinical characteristics suggest that IDRs are immune mediated, and there is substantive evidence that most, but not all, IDRs are caused by chemically reactive species. However, rigorous mechanistic studies are very difficult to perform, especially in the absence of valid animal models. Models to explain how drugs or reactive metabolites interact with the MHC/T-cell receptor complex include the hapten and P-I models, and most recently it was found that abacavir can interact reversibly with MHC to alter the endogenous peptides that are presented to T cells. The discovery of HLA molecules as important risk factors for some IDRs has also significantly contributed to our understanding of these adverse reactions, but it is not yet clear what fraction of IDRs have a strong HLA dependence. In addition, with the exception of abacavir, most patients who have the HLA that confers a higher IDR risk with a specific drug will not have an IDR when treated with that drug. Interindividual differences in T-cell receptors and other factors also presumably play a role in determining which patients will have an IDR. The immune response represents a delicate balance, and immune tolerance may be the dominant response to a drug that can cause IDRs.
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Affiliation(s)
- Jack Uetrecht
- Faculties of Pharmacy and Medicine, University of Toronto, Toronto, Canada M5S3M2.
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Evaluation of polymorphisms in the sulfonamide detoxification genes NAT2, CYB5A, and CYB5R3 in patients with sulfonamide hypersensitivity. Pharmacogenet Genomics 2013; 22:733-40. [PMID: 22850190 DOI: 10.1097/fpc.0b013e328357a735] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
OBJECTIVE To determine whether polymorphisms in the sulfonamide detoxification genes, CYB5A (encoding cytochrome b(5)), CYB5R3 (encoding cytochrome b(5) reductase), or NAT2 (encoding N-acetyltransferase 2) were over-represented in patients with delayed sulfonamide drug hypersensitivity, compared with control patients who tolerated a therapeutic course of trimethoprim-sulfamethoxazole without adverse event. METHODS DNA from 99 nonimmunocompromised patients with sulfonamide hypersensitivity who were identified from the Personalized Medicine Research Project at the Marshfield Clinic, and from 99 age-matched, race-matched, and sex-matched drug-tolerant controls, were genotyped for four CYB5A and five CYB5R3 polymorphisms, and for all coding NAT2 SNPs. RESULTS CYB5A and CYB5R3 SNPs were found at low allele frequencies (<3-4%), which did not differ between hypersensitive and tolerant patients. NAT2 allele and haplotype frequencies, as well as inferred NAT2 phenotypes, also did not differ between groups (60 vs. 59% slow acetylators). Finally, no difference in NAT2 status was found in a subset of patients with more severe hypersensitivity signs (drug reaction with eosinophilia and systemic symptoms) compared with tolerant patients. CONCLUSION We found no evidence of a substantial involvement of these nine CYB5A or CYB5R3 polymorphisms in sulfonamide hypersensitivity risk, although minor effects cannot be completely ruled out. Despite careful medical record review and full resequencing of the NAT2 coding region, we found no association of NAT2 coding alleles with sulfonamide hypersensitivity (predominantly cutaneous eruptions) in this adult Caucasian population.
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Wang D, Curtis A, Papp AC, Koletar SL, Para MF. Polymorphism in glutamate cysteine ligase catalytic subunit (GCLC) is associated with sulfamethoxazole-induced hypersensitivity in HIV/AIDS patients. BMC Med Genomics 2012; 5:32. [PMID: 22824134 PMCID: PMC3418550 DOI: 10.1186/1755-8794-5-32] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Accepted: 07/23/2012] [Indexed: 12/12/2022] Open
Abstract
Background Sulfamethoxazole (SMX) is a commonly used antibiotic for prevention of infectious diseases associated with HIV/AIDS and immune-compromised states. SMX-induced hypersensitivity is an idiosyncratic cutaneous drug reaction with genetic components. Here, we tested association of candidate genes involved in SMX bioactivation and antioxidant defense with SMX-induced hypersensitivity. Results Seventy seven single nucleotide polymorphisms (SNPs) from 14 candidate genes were genotyped and assessed for association with SMX-induced hypersensitivity, in a cohort of 171 HIV/AIDS patients. SNP rs761142 T > G, in glutamate cysteine ligase catalytic subunit (GCLC), was significantly associated with SMX-induced hypersensitivity, with an adjusted p value of 0.045. This result was replicated in a second cohort of 249 patients (p = 0.025). In the combined cohort, heterozygous and homozygous carriers of the minor G allele were at increased risk of developing hypersensitivity (GT vs TT, odds ratio = 2.2, 95% CL 1.4-3.7, p = 0.0014; GG vs TT, odds ratio = 3.3, 95% CL 1.6 – 6.8, p = 0.0010). Each minor allele copy increased risk of developing hypersensitivity 1.9 fold (95% CL 1.4 – 2.6, p = 0.00012). Moreover, in 91 human livers and 84 B-lymphocytes samples, SNP rs761142 homozygous G allele carriers expressed significantly less GCLC mRNA than homozygous TT carriers (p < 0.05). Conclusions rs761142 in GCLC was found to be associated with reduced GCLC mRNA expression and with SMX-induced hypersensitivity in HIV/AIDS patients. Catalyzing a critical step in glutathione biosynthesis, GCLC may play a broad role in idiosyncratic drug reactions.
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Affiliation(s)
- Danxin Wang
- Department of Pharmacology, Program in Pharmacogenomics, School of Biomedical Science, College of Medicine, Ohio State University, Columbus, OH 43210, USA.
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Funk-Keenan J, Sacco J, Wong YYA, Rasmussen S, Motsinger-Reif A, Trepanier LA. Evaluation of polymorphisms in the sulfonamide detoxification genes CYB5A and CYB5R3 in dogs with sulfonamide hypersensitivity. J Vet Intern Med 2012; 26:1126-33. [PMID: 22816446 DOI: 10.1111/j.1939-1676.2012.00965.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2012] [Revised: 05/09/2012] [Accepted: 05/22/2012] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Delayed hypersensitivity (HS) reactions to potentiated sulfonamide antimicrobials occur in both dogs and humans, and involve an intermediate hydroxylamine metabolite that is detoxified by cytochrome b(5) and NADH cytochrome b(5) reductase. HYPOTHESIS/OBJECTIVES We hypothesized that polymorphisms in the genes (CYB5A and CYB5R3) encoding these 2 enzymes would be associated with risk of sulfonamide HS in dogs. ANIMALS A total of 18 dogs with delayed HS to potentiated sulfonamide antimicrobials and 16 dogs that tolerated (TOL) a therapeutic course of these drugs without adverse effect. METHODS CYB5A and CYB5R3 were sequenced from canine liver, and the promoter, exons, and 3' untranslated regions of both genes were resequenced from genomic DNA obtained from all dogs. RESULTS Multiple polymorphisms were found in both genes. When controlled for multiple comparisons, the 729GG variant in CYB5R3 was significantly overrepresented in dogs with sulfonamide HS (78% of dogs), compared to TOL dogs (31%; P = .003). CONCLUSIONS AND CLINICAL IMPORTANCE The CYB5R3 729GG variant may contribute to the risk of sulfonamide HS in dogs. Functional characterization of this polymorphism, as well as genotyping in a larger number of HS and TOL dogs, is warranted.
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Affiliation(s)
- J Funk-Keenan
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI 53706-1102, USA
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Human N-acetyltransferase 1 *10 and *11 alleles increase protein expression through distinct mechanisms and associate with sulfamethoxazole-induced hypersensitivity. Pharmacogenet Genomics 2012; 21:652-64. [PMID: 21878835 DOI: 10.1097/fpc.0b013e3283498ee9] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES N-acetyltransferase 1 (NAT1) metabolizes drugs and environmental carcinogens. NAT1 alleles *10 and *11 have been proposed to alter protein level or enzyme activity compared with wild-type NAT1 *4 and to confer cancer risk, through uncertain pathways. This study characterizes regulatory polymorphisms and underlying mechanisms of NAT1 expression. METHODS We measured allelic NAT1 mRNA expression and translation, as a function of multiple transcription start sites, alternative splicing, and three 3'-polyadenylation sites in human livers (one of which was discovered in this study), B lymphocytes, and transfected cells. In a clinical study of 469 patients with HIV/AIDS treated with the NAT1/NAT2 substrate sulfamethoxazole (SMX), associations were tested between SMX-induced hypersensitivity and NAT1 *10 and *11 genotypes, together with known NAT2 polymorphisms. RESULTS NAT1 *10 and *11 were determined to act as common regulatory alleles accounting for most NAT1 expression variability, both leading to increased translation into active protein. NAT1 *11 (2.4% minor allele frequency) affected 3'-polyadenylation site usage, thereby increasing formation of NAT1 mRNA with intermediate length 3'-untranslated region (major isoform) at the expense of the short isoform, resulting in more efficient protein translation. NAT1 *10 (19% minor allele frequency) increased translation efficiency without affecting 3'-untranslated region polyadenylation site usage. Livers and B-lymphocytes with *11/*4 and *10/*10 genotypes displayed higher NAT1 immunoreactivity and NAT1 enzyme activity than the reference genotype *4/*4. Patients who carry *10/*10 and *11/*4 (fast NAT1 acetylators) were less likely to develop hypersensitivity to SMX, but this was observed only in individuals who are also carrying a slow NAT2 acetylator genotype. CONCLUSION NAT1 *10 and *11 significantly increase NAT1 protein level/enzyme activity, enabling the classification of carriers into reference and rapid acetylators. Rapid NAT1 acetylator status seems to protect against SMX toxicity by compensating for slow NAT2 acetylator status.
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Genetically Polymorphic Cytochrome P450s and Transporters and Personalized Antimicrobial Chemotherapy. Mol Microbiol 2011. [DOI: 10.1128/9781555816834.ch52] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Ghosh K, Banerjee G, Ghosal AK, Nandi J. Cutaneous drug hypersensitivity: immunological and genetic perspective. Indian J Dermatol 2011; 56:137-44. [PMID: 21716938 PMCID: PMC3108509 DOI: 10.4103/0019-5154.80402] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Drug hypersensitivity is an unpredictable, immunologically mediated adverse reaction, clustered in a genetically predisposed individual. The role of "hapten concept" in immune sensitization has recently been contested by the "pharmacological interaction" hypothesis. After completion of the "human genome project" and with the availability of high-resolution genotyping, genetic susceptibility to hypersensitivity for certain drugs has been proved beyond doubt though the trend is ethnicity and phenotype dependent. Application of this newly acquired knowledge may reduce or abolish the morbidity and mortality associated with cutaneous drug hypersensitivity.
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Affiliation(s)
- Kisalay Ghosh
- Department of Dermatology, MGM Medical College and LSK Hospital, Kishanganj, Bihar, India
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37
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Elsheikh A, Castrejon L, Lavergne SN, Whitaker P, Monshi M, Callan H, El-Ghaiesh S, Farrell J, Pichler WJ, Peckham D, Park BK, Naisbitt DJ. Enhanced antigenicity leads to altered immunogenicity in sulfamethoxazole-hypersensitive patients with cystic fibrosis. J Allergy Clin Immunol 2011; 127:1543-51.e3. [PMID: 21354601 DOI: 10.1016/j.jaci.2010.12.1119] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2010] [Revised: 11/09/2010] [Accepted: 12/28/2010] [Indexed: 11/26/2022]
Abstract
BACKGROUND Exposure of patients with cystic fibrosis to sulfonamides is associated with a high incidence of hypersensitivity reactions. OBJECTIVE To compare mechanisms of antigen presentation and characterize the phenotype and function of T cells from sulfamethoxazole-hypersensitive patients with and without cystic fibrosis. METHODS T cells were cloned from 6 patients and characterized in terms of phenotype and function. Antigen specificity and mechanisms of antigen presentation to specific clones were then explored. Antigen-presenting cell metabolism of sulfamethoxazole was quantified by ELISA. The involvement of metabolism in antigen presentation was evaluated by using enzyme inhibitors. RESULTS Enzyme inhibitable sulfamethoxazole-derived protein adducts were detected in antigen-presenting cells from patients with and without cystic fibrosis. A significantly higher quantity of adducts were detected with cells from patients with cystic fibrosis. Over 500 CD4(+) or CD8(+) T-cell clones were generated and shown to proliferate and kill target cells. Three patterns of MHC-restricted reactivity (sulfamethoxazole-responsive, sulfamethoxazole metabolite-responsive, and cross-reactive) were observed with clones from patients without cystic fibrosis. From patients with cystic fibrosis, sulfamethoxazole metabolite-responsive and cross-reactive, but not sulfamethoxazole-responsive, clones were observed. The response of the cross-reactive clones to sulfamethoxazole was dependent on adduct formation and was blocked by glutathione and enzyme inhibitors. Antigen-stimulated clones from patients with cystic fibrosis secreted higher levels of IFN-γ, IL-6, and IL-10, but lower levels of IL-17. CONCLUSION Sulfamethoxazole metabolism and protein adduct formation is critical for the stimulation of T cells from patients with cystic fibrosis. T cells from patients with cystic fibrosis secrete high levels of IFN-γ, IL-6, and IL-10.
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Affiliation(s)
- Ayman Elsheikh
- MRC Centre for Drug Safety Science, Department of Pharmacology, University of Liverpool, Liverpool, United Kingdom
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Genetic and ethnic risk factors associated with drug hypersensitivity. Curr Opin Allergy Clin Immunol 2010; 10:280-90. [DOI: 10.1097/aci.0b013e32833b1eb3] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Thong BYH. Update on the management of antibiotic allergy. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2010; 2:77-86. [PMID: 20358021 PMCID: PMC2846744 DOI: 10.4168/aair.2010.2.2.77] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/18/2009] [Accepted: 10/19/2009] [Indexed: 12/18/2022]
Abstract
Drug allergy to antibiotics may occur in the form of immediate or non-immediate (delayed) hypersensitivity reactions. Immediate reactions are usually IgE-mediated whereas non-immediate hypersensitivity reactions are usually non-IgE or T-cell mediated. The clinical manifestations of antibiotic allergy may be cutaneous, organ-specific (e.g., blood dyscracias, hepatitis, interstitial nephritis), systemic (e.g., anaphylaxis, drug induced hypersensitivity syndrome) or various combinations of these. Severe cutaneous adverse reactions manifesting as Stevens Johnson syndrome or toxic epidermal necrolysis (TEN) may be potentially life-threatening. The management of antibiotic allergy begins with the identification of the putative antibiotic from a detailed and accurate drug history, complemented by validated in-vivo and in-vitro allergological tests. This will facilitate avoidance of the putative antibiotic through patient education, use of drug alert cards, and electronic medical records with in-built drug allergy/adverse drug reaction prescription and dispensing checks. Knowledge of the evidence for specific antibiotic cross-reactivities is also important in patient education. Apart from withdrawal of the putative antibiotic, immunomodulatory agents like high-dose intravenous immunoglobulins may have a role in TEN. Drug desensitization where the benefits outweigh the risks, and where no alternative antibiotics can be used for various reasons, may be considered in certain situations. Allergological issues pertaining to electronic drug allergy alerts, computerized physician prescriptions and decision support systems, and antibiotic de-escalation in antimicrobial stewardship programmes are also discussed.
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Affiliation(s)
- Bernard Yu-Hor Thong
- Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital, Singapore
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Alfirevic A, Vilar FJ, Alsbou M, Jawaid A, Thomson W, Ollier WER, Bowman CE, Delrieu O, Park BK, Pirmohamed M. TNF, LTA, HSPA1L and HLA-DR gene polymorphisms in HIV-positive patients with hypersensitivity to cotrimoxazole. Pharmacogenomics 2009; 10:531-40. [PMID: 19374512 DOI: 10.2217/pgs.09.6] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
AIMS Sulfamethoxazole in combination with trimethoprim (cotrimoxazole) is used for prophylaxis and treatment of several opportunistic infections in HIV-infected patients. It is associated with a high incidence of hypersensitivity reactions, which is thought to have an immune basis. Genetic polymorphisms in MHC are known to predispose to hypersensitivity reactions to a structurally diverse group of drugs in HIV-positive patients. The aim of the study was to determine whether functional polymorphisms in TNF, LTA, HSPA1L and HLA-DRB1 genes influence the risk of cotrimoxazole hypersensitivity in HIV-infected patients. METHODS We genotyped 136 HIV-positive patients with (n = 53) and without (n = 83) cotrimoxazole hypersensitivity using a combination of PCR-based techniques, including PCR-restriction fragment length polymorphisms, PCR-sequence specific oligonucleotides and real-time PCR. Genotypes and the haplotype frequencies were analyzed using the chi(2) test in the Haploview and CLUMP programs. RESULTS No statistically significant difference in SNP or haplotype frequencies were found in HIV-infected sulfamethoxazole hypersensitive patients compared with controls. CONCLUSION Our data show that MHC polymorphisms are not major predisposing factors for cotrimoxazole hypersensitivity, although we cannot exclude a minor contribution. An environmental factor (i.e., HIV infection) seems to predominate over any of the genetic factors so far investigated in increasing the risk of cotrimoxazole hypersensitivity.
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Affiliation(s)
- Ana Alfirevic
- Department of Pharmacology & Therapeutics, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, Merseyside, L69 3GE, UK
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Dakin LE. Probable trimethoprim/sulfamethoxazole-induced higher-level gait disorder and nocturnal delirium in an elderly man. Ann Pharmacother 2008; 43:129-33. [PMID: 19109207 DOI: 10.1345/aph.1l295] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report a case of probable trimethoprim/sulfamethoxazole (TMP/SMX)-induced higher-level gait disorder (HLGD) and nocturnal delirium in an elderly patient on high-dose oral therapy. CASE SUMMARY An 82-year-old man with a recent history of depression became comatose following an overdose of escitalopram and oxazepam. He was admitted, ventilated for 7 days in the intensive care unit, and treated with piperacillin/tazobactam and cefepime for aspiration pneumonia. Following discharge to a medical ward, respiratory symptoms persisted and imaging confirmed pulmonary abscesses. Stenotrophomonas maltophilia was isolated from sputum and, on day 15, TMP/SMX 800 mg/160 mg 1 tablet every 12 hours was initiated. On day 35, the dose was increased to 800 mg/160 mg 2 tablets every 12 hours. By day 37, the patient was unsteady when attempting to stand. From day 40, he was noted to have features of HLGD with gait ignition failure, poor balance, and frequent falls. His other medications at this time were thiamine 100 mg daily, multivitamin 1 tablet daily, omeprazole 20 mg every 12 hours, and modified-release venlafaxine 150 mg daily. Investigation did not reveal any cause for his acute gait disturbance. TMP/SMX was stopped on day 48 and, by day 51, the patient's gait had returned to normal. DISCUSSION Neuropsychiatric adverse reactions with TMP/SMX have been infrequently reported. The Naranjo probability scale indicated that TMP/SMX was the probable cause of HLGD in this patient. CONCLUSIONS At time of writing, this was the first reported case of HLGD associated with TMP/SMX. Clinicians should consider this adverse reaction as a potential cause of HLGD, especially in the elderly and those with malnutrition and hepatic or renal dysfunction.
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Affiliation(s)
- Lucy E Dakin
- Department of Geriatric Medicine, The Prince Charles Hospital, Chermside, Queensland 4032, Australia.
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Damsten MC, de Vlieger JSB, Niessen WMA, Irth H, Vermeulen NPE, Commandeur JNM. Trimethoprim: Novel Reactive Intermediates and Bioactivation Pathways by Cytochrome P450s. Chem Res Toxicol 2008; 21:2181-7. [DOI: 10.1021/tx8002593] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Micaela C. Damsten
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Jon S. B. de Vlieger
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Wilfried M. A. Niessen
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Hubertus Irth
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Nico P. E. Vermeulen
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Jan N. M. Commandeur
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, and LACDR/Division of Biomolecular Analysis, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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43
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The roles of drug metabolism in the pathogenesis of T-cell-mediated drug hypersensitivity. Curr Opin Allergy Clin Immunol 2008; 8:299-307. [DOI: 10.1097/aci.0b013e3283079c64] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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44
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Vitezica Z, Wolkenstein P, Lonjou C, Eliaszewicz M, Sicard X, Roujeau JC, Hovnanian A. No association between HLA-B and cutaneous reactions to sulphonamides in human immunodeficiency virus-infected patients. Br J Dermatol 2008; 159:501-3. [DOI: 10.1111/j.1365-2133.2008.08660.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Soejima M, Sugiura T, Kawaguchi Y, Kawamoto M, Katsumata Y, Takagi K, Nakajima A, Mitamura T, Mimori A, Hara M, Kamatani N. Association of the diplotype configuration at the N-acetyltransferase 2 gene with adverse events with co-trimoxazole in Japanese patients with systemic lupus erythematosus. Arthritis Res Ther 2007; 9:R23. [PMID: 17335581 PMCID: PMC1906798 DOI: 10.1186/ar2134] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2006] [Revised: 02/11/2007] [Accepted: 03/03/2007] [Indexed: 11/10/2022] Open
Abstract
Although co-trimoxazole (trimethoprim-sulphamethoxazole) is an effective drug for prophylaxis against and treatment of Pneumocystis pneumonia, patients often experience adverse events with this combination, even at prophylactic doses. With the aim being to achieve individual optimization of co-trimoxazole therapy in patients with systemic lupus erythematosus (SLE), we investigated genetic polymorphisms in the NAT2 gene (which encodes the metabolizing enzyme of sulphamethoxazole). Of 166 patients with SLE, 54 patients who were hospitalized and who received prophylactic doses of co-trimoxazole were included in the cohort study. Adverse events occurred in 18 patients; only two experienced severe adverse events that lead to discontinuation of the drug. These two patients and three additional ones with severe adverse events (from other institutions) were added to form a cohort sample and were analyzed in a case-control study. Genotype was determined using TaqMan methods, and haplotype was inferred using the maximum-likelihood method. In the cohort study, adverse events occurred more frequently in those without the NAT2*4 haplotype (5/7 [71.4%]) than in those with at least one NAT2*4 haplotype (13/47 [27.7%]; P = 0.034; relative risk = 2.58, 95% confidence interval = 1.34-4.99). In the case-control study the proportion of patients without NAT2*4 was significantly higher among those with severe adverse events (3/5 [60%]) than those without severe adverse events (6/52 [11.5%]; P = 0.024; odds ratio = 11.5, 95% confidence interval = 1.59-73.39). We conclude that lack of NAT2*4 haplotype is associated with adverse events with co-trimoxazole in Japanese patients with SLE.
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Affiliation(s)
- Makoto Soejima
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Tomoko Sugiura
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Yasushi Kawaguchi
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Manabu Kawamoto
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Yasuhiro Katsumata
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Kae Takagi
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Ayako Nakajima
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Tadayuki Mitamura
- Department of Hematology and Rheumatology, JR Tokyo General Hospital, Yoyogi, Shibuya-ku, Tokyo, 151-8528, Japan
| | - Akio Mimori
- Department of Rheumatology, International Medical Center of Japan, Toyama, Shinjuku-ku, Tokyo, 162-8855, Japan
| | - Masako Hara
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Naoyuki Kamatani
- Institute of Rheumatology, Tokyo Women's Medical University School of Medicine, Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
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Gardiner SJ, Begg EJ. Pharmacogenetics, drug-metabolizing enzymes, and clinical practice. Pharmacol Rev 2006; 58:521-90. [PMID: 16968950 DOI: 10.1124/pr.58.3.6] [Citation(s) in RCA: 235] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The application of pharmacogenetics holds great promise for individualized therapy. However, it has little clinical reality at present, despite many claims. The main problem is that the evidence base supporting genetic testing before therapy is weak. The pharmacology of the drugs subject to inherited variability in metabolism is often complex. Few have simple or single pathways of elimination. Some have active metabolites or enantiomers with different activities and pathways of elimination. Drug dosing is likely to be influenced only if the aggregate molar activity of all active moieties at the site of action is predictably affected by genotype or phenotype. Variation in drug concentration must be significant enough to provide "signal" over and above normal variation, and there must be a genuine concentration-effect relationship. The therapeutic index of the drug will also influence test utility. After considering all of these factors, the benefits of prospective testing need to be weighed against the costs and against other endpoints of effect. It is not surprising that few drugs satisfy these requirements. Drugs (and enzymes) for which there is a reasonable evidence base supporting genotyping or phenotyping include suxamethonium/mivacurium (butyrylcholinesterase), and azathioprine/6-mercaptopurine (thiopurine methyltransferase). Drugs for which there is a potential case for prospective testing include warfarin (CYP2C9), perhexiline (CYP2D6), and perhaps the proton pump inhibitors (CYP2C19). No other drugs have an evidence base that is sufficient to justify prospective testing at present, although some warrant further evaluation. In this review we summarize the current evidence base for pharmacogenetics in relation to drug-metabolizing enzymes.
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Affiliation(s)
- Sharon J Gardiner
- Department of Medicine, Christchurch School of Medicine, Private Bag 4345, Christchurch, New Zealand.
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Vyas PM, Roychowdhury S, Koukouritaki SB, Hines RN, Krueger SK, Williams DE, Nauseef WM, Svensson CK. Enzyme-mediated protein haptenation of dapsone and sulfamethoxazole in human keratinocytes: II. Expression and role of flavin-containing monooxygenases and peroxidases. J Pharmacol Exp Ther 2006; 319:497-505. [PMID: 16857727 DOI: 10.1124/jpet.106.105874] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Arylamine compounds, such as sulfamethoxazole (SMX) and dapsone (DDS), are metabolized in epidermal keratinocytes to arylhydroxylamine metabolites that auto-oxidize to arylnitroso derivatives, which in turn bind to cellular proteins and can act as antigens/immunogens. Previous studies have demonstrated that neither cytochromes P450 nor cyclooxygenases mediate this bioactivation in normal human epidermal keratinocytes (NHEKs). In this investigation, we demonstrated that methimazole (MMZ), a prototypical substrate of the flavin-containing monooxygenases (FMOs), attenuated the protein haptenation observed in NHEKs exposed to SMX or DDS. In addition, recombinant FMO1 and FMO3 were able to bioactivate both SMX and DDS, resulting in covalent adduct formation. Western blot analysis confirmed the presence of FMO3 in NHEKs, whereas FMO1 was not detectable. In addition to MMZ, 4-aminobenzoic acid hydrazide (ABH) also attenuated SMX- and DDS-dependent protein haptenation in NHEKs. ABH did not alter the bioactivation of these drugs by recombinant FMO3, suggesting its inhibitory effect in NHEKs was due to its known ability to inhibit peroxidases. Studies confirmed the presence of peroxidase activity in NHEKs; however, immunoblot analysis and reverse transcription-polymerase chain reaction indicated that myeloperoxidase, lactoperoxidase, and thyroid peroxidase were absent. Thus, our results suggest an important role for FMO3 and yet-to-be identified peroxidases in the bioactivation of sulfonamides in NHEKs.
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Affiliation(s)
- Piyush M Vyas
- Division of Pharmaceutics, College of Pharmacy, University of Iowa, Iowa City, Iowa, USA
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Khan FD, Roychowdhury S, Gaspari AA, Svensson CK. Immune response to xenobiotics in the skin: from contact sensitivity to drug allergy. Expert Opin Drug Metab Toxicol 2006; 2:261-72. [PMID: 16866612 DOI: 10.1517/17425255.2.2.261] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Skin is the most frequent target of adverse drug reactions. These cutaneous drug reactions (CDRs) show varied clinical manifestations ranging from mildly discomforting rashes to life-threatening Stevens-Johnson syndrome or toxic epidermal necrolysis. Most CDRs appear to be immune mediated, although the mechanism by which they are initiated remains unclear. In this review, current knowledge of the mechanisms by which xenobiotics provoke immune responses in the skin after epicutaneous administration and how similar reactions may occur after systemic routes are summarised. This review also discusses a variety of genetic or environmental factors that may determine the susceptibility of individuals towards immune responses in skin following drug exposure.
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Affiliation(s)
- Farah D Khan
- University of Iowa, Division of Pharmaceutics, College of Pharmacy, 115 S. Grand Avenue, 201 PHAR, Iowa City, IA 52242, USA
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Abstract
Clinicians had suspected for years that drug eruptions were probably mediated by immune mechanisms because their timing suggested sensitization and specific immunologic memory rather than direct toxicity. An immune response to medications was also demonstrated by positive skin tests and by several types of in vitro tests that evidenced immediate or delayed hypersensitivity. In the last decade several teams of researchers obtained in vitro drug-specific human T-cell clones, in a variety of clinical types of drug eruptions. These clones were produced from blood or skin mononuclear cells of patients with a history of drug reaction by stimulation in vitro with drug. They were either of CD4 or CD8 phenotypes. Drug specific clones were stimulated by the parent drug much more often than by reactive metabolites. That challenged the classical "hapten hypothesis" that the immune response was initiated by reactive metabolites combined to self proteins. The medication usually stimulated specific T-cells after non-covalent binding to major histocompatibility (MHC) molecules on antigen presenting cells. In toxic epidermal necrolysis, T-lymphocytes present at the site of lesions, exhibited a drug specific cytotoxicity against autologous target cells, or allogeneic cells that shared the same HLA than autologous cells. This MHC class I restriction and mediation of death by perforin/granzyme release, is the classical behavior of cytotoxic T lymphocytes, like those operating in the reject of a transplanted organ. MHC restriction could explain the key role of HLA genes as predisposing factors to severe drug reactions. A strong association between HLA and hypersensitivity to abacavir, SJS or TEN to carbamazepine or allopurinol has been recently demonstrated. Resemblance to graft rejection points to the possible therapeution value of immuno suppressive agents. Most drug eruptions appear to result from T-cell mediated delayed hypersensitivity. The secondary activation of different cascades of cytokines, may contribute to the heterogeneity of clinical presentations.
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Affiliation(s)
- Jean-Claude Roujeau
- UniversitéParis XII, Department of Dermatology and Inserm U 659, Hôpital Henri Mondor, Créteil, France.
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Pirmohamed M. Genetic factors in the predisposition to drug-induced hypersensitivity reactions. AAPS JOURNAL 2006; 8:E20-6. [PMID: 16584129 PMCID: PMC2751420 DOI: 10.1208/aapsj080103] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Drug hypersensitivity reactions can occur with most drugs, although the frequency, severity, and clinical manifestations vary. Case reports have suggested that there may be familial clustering of drug hypersensitivity suggesting a genetic predisposition. As with most other forms of drug response, predisposition to drug hypersensitivity reactions is likely to be multifactorial and multigenic. Given the immune pathogenesis of these reactions, it is perhaps not surprising that the most significant genetic associations have been identified in the major histocompatibility complex for drugs such as abacavir, carbamazepine, and allopurinol. For abacavir, it has been suggested that preprescription genotyping for HLA-B*5701 in whites may reduce the incidence of hypersensitivity. It is likely that as our knowledge of variation in the human genome improves, coupled with improvements in technology, many more significant genetic predisposing factors for drug hypersensitivity are likely to be identified in the next decade. However, as we search for these genetic factors, it is important that we do not forget environmental predisposition, and to bear in mind that a genetic marker for drug hypersensitivity in one population may not necessarily be relevant for another population. Notwithstanding the advances in genetic technologies, the ultimate determinant of success in this area of research will be the identification and careful phenotyping of patients with drug hypersensitivity reactions. As we progress to whole genome scanning, in order to satisfy the requirements for adequate statistical power, the identification of large numbers of carefully phenotyped patients will be feasible only through international collaborations.
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Affiliation(s)
- Munir Pirmohamed
- Department of Pharmacology and Therapeutics, The University of Liverpool, Ashton Street, Liverpool, UK L69 3GE.
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