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Corsini E, Casula M, Tragni E, Galbiati V, Pallardy M. Tools to investigate and avoid drug-hypersensitivity in drug development. Expert Opin Drug Discov 2018; 13:425-433. [PMID: 29405076 DOI: 10.1080/17460441.2018.1437141] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Drug hypersensitivity reactions (DHRs) are common adverse effects of pharmaceuticals that clinically resemble allergies, and which are becoming an important burden to healthcare systems. Alongside accurate diagnostic techniques, tools which can predict potential drug-inducing hypersensitivity reactions in the pre-clinical phase are critical. Despite the important adverse reactions linked to immune-mediated hypersensitivity, at present, there are no validated or required in vivo or in vitro methods to screen the sensitizing potential of drugs and their metabolites in the pre-clinical phase. Areas covered: Enhanced prediction in preclinical safety evaluation is extremely important. The purpose of this review is to assess the state of the art of tools available to assess the allergenic potential of drugs and to highlight our current understanding of the molecular mechanisms underlying inappropriate immune activation. Expert opinion: The knowledge that allergenic drugs share common mechanisms of immune cell activation with chemical allergens, and of the definition of the mechanistic pathway to adverse outcomes, can enhance targeting toxicity testing in drug development and hazard assessment of hypersensitivity. Additional efforts and extensive resources are necessary to improve preclinical testing methodologies, including optimization, better design and interpretation of data.
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Affiliation(s)
- Emanuela Corsini
- a Laboratory of Toxicology, Department of Environmental Science and Policy , Università degli Studi di Milano , Milan , Italy
| | - Manuela Casula
- b Epidemiology and Preventive Pharmacology Centre (SEFAP), Department of Pharmacological and Biomolecular Sciences , University of Milan , Milan , Italy
| | - Elena Tragni
- b Epidemiology and Preventive Pharmacology Centre (SEFAP), Department of Pharmacological and Biomolecular Sciences , University of Milan , Milan , Italy
| | - Valentina Galbiati
- a Laboratory of Toxicology, Department of Environmental Science and Policy , Università degli Studi di Milano , Milan , Italy
| | - Marc Pallardy
- c Inflammation, Chemokines and Immunopathology , INSERM UMR 996, Univ Paris-Sud, Université Paris-Saclay , Châtenay-Malabry , France
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Kwast L, Fiechter D, Kruijssen L, Bleumink R, Ludwig I, Bol-Schoenmakers M, Smit J, Pieters R. Oral exposure to immunostimulating drugs results in early changes in innate immune parameters in the spleen. J Immunotoxicol 2016; 13:535-47. [PMID: 27043250 DOI: 10.3109/1547691x.2016.1139643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The development of immune-dependent drug hypersensitivity reactions (IDHR) is likely to involve activation of the innate immune system to stimulate neo-antigen specific T-cells. Previously it has been shown that, upon oral exposure to several drugs with immune-adjuvant capacity, mice developed T-cell-dependent responses to TNP-OVA. These results were indicative of the adjuvant potential of these drugs. The present study set out to evaluate the nature of this adjuvant potential by focusing on early immune changes in the spleen, by testing several drugs in the same experimental model. Mice were exposed to one or multiple oral doses of previously-tested drugs: the non-steroidal-anti-inflammatory drug (NSAID) diclofenac (DF), the analgesic acetaminophen (APAP), the anti-epileptic drug carbamazepine (CMZ) or the antibiotic ofloxacin (OFLX). Within 24 h after the final dosing, early innate and also adaptive immune parameters in the spleen were examined. In addition, liver tissue was also evaluated for damage. Exposure to APAP resulted in severe liver damage, increased levels of serum alanine aminotransferase (ALT) and local MIP-2 expression. DF exposure did not cause visible liver damage, but did increase liver weight. DF also elicited clear effects on splenic innate and adaptive immune cells, i.e. increased levels of NK cells and memory T-cells. Furthermore, an increase in plasma MIP-2 levels combined with an influx of neutrophils into the spleen was observed. OFLX and CMZ exposure resulted in increased liver weights, MIP-2 expression and up-regulation of co-stimulatory molecules on antigen-presenting cells (APC). The data suggested that multiple immune parameters were altered upon exposure to drugs known to elicit immunosensitization and that broad evaluation of immune changes in straightforward short-term animal models is needed to determine whether a drug may harbor the hazard to induce IDHR. The oral exposure approach as used here may be applied in the future as an immunotoxicological research tool in this type of evaluation.
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Affiliation(s)
- Lydia Kwast
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands ;,b TI Pharma , Leiden , the Netherlands
| | - Daniëlle Fiechter
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands ;,b TI Pharma , Leiden , the Netherlands
| | - Laura Kruijssen
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands ;,b TI Pharma , Leiden , the Netherlands
| | - Rob Bleumink
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands
| | - Irene Ludwig
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands ;,b TI Pharma , Leiden , the Netherlands
| | - Marianne Bol-Schoenmakers
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands
| | - Joost Smit
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands
| | - Raymond Pieters
- a Division of Toxicology , Institute for Risk Assessment Sciences, Utrecht University , Utrecht , the Netherlands
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Lin M, Sun W, Wang Y, Li X, Jin Y, Gong W, Fan X, Wang Y. An intravenous exposure mouse model for prediction of potential drug-sensitization using reporter antigens popliteal lymph node assay. J Appl Toxicol 2011; 32:395-401. [PMID: 21721018 DOI: 10.1002/jat.1696] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2011] [Revised: 04/28/2011] [Accepted: 04/28/2011] [Indexed: 11/09/2022]
Abstract
Immune-mediated drug hypersensitivity is a particularly concerning health-safety issue among clinicians given its unpredictability and potentially life-threatening effects, especially with exposure to intravenous drugs. Therefore, the development of intravenous drug-exposure models for drug-hazard assessments has garnered increasing interest in recent years. In this study, we used reporter antigens popliteal lymph node assay to investigate the potential value of intravenous exposure to a selected variety of allergenic compounds, including ovalbumin (OVA), concanavalin A (ConA) and diclofenac. The trinitrophenyl (TNP)-specific antibody-forming cells were used to assess the systemic immune responses to a bystander antigen. Mice were subsequently sensitized by TNP-OVA, and then intravenous exposure to one of the selective compounds. As expected, all positive compounds induced significant popliteal lymph node (PLN) proliferation compared with the control. OVA significantly increased Cluster of Differentiation 4 receptors (CD⁴)⁺ interleukin-4 (IL-4)⁺ T-helper 2 (Th2) cells and, consequently, increased the ratios of IL-4/interferon-γ (IFN-γ) antibody-forming cells (AFCs) in PLNs, while bringing about a dose-dependent increase in immunoglobulin G1 (IgG1) AFCs; these findings indicate that a Th2 hypersensitivity response was induced. A Th2 response was also observed in diclofenac sodium-treated groups, and for ConA, a more mixed Th1/Th2 immune response appeared to be induced. In addition, there was no marked reaction with the negative compound. Together, it seems likely that the intravenous exposure model may be useful for drug-induced systemic hypersensitivity assessments.
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Affiliation(s)
- Mingbao Lin
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
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Oral Exposure to Drugs with Immune-Adjuvant Potential Induces Hypersensitivity Responses to the Reporter Antigen TNP-OVA. Toxicol Sci 2011; 121:312-9. [DOI: 10.1093/toxsci/kfr052] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Weaver JL, Chapdelaine JM, Descotes J, Germolec D, Holsapple M, House R, Lebrec H, Meade J, Pieters R, Hastings KL, Dean JH. Evaluation of a Lymph Node Proliferation Assay for its Ability to Detect Pharmaceuticals with Potential to Cause Immune-Mediated Drug Reactions. J Immunotoxicol 2008; 2:11-20. [DOI: 10.1080/15476910590930100] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Abstract
The popliteal lymph node assay (PLNA) derives from the hypothesis that some supposedly immune-mediated adverse effects induced by certain pharmaceuticals involve a mechanism resembling a graft-versus-host reaction. The injection of many but not all of these compounds into the footpad of mice or rats produces an increase in the weight and/or cellularity of the popliteal lymph node in the treated limb (direct PLNA). Some of the compounds known to cause these adverse effects in humans, however, failed to induce a positive PLNA response, leading to refinements of the technique to include pretreatment with enzyme inducers, depletion of CD4(+) T cells or additional endpoints such as histological examination, lymphocyte subset analysis and cytokine fingerprinting. Alternative approaches have been used to improve further the predictability of the assay. In the secondary PLNA, the test compound is injected twice in order to illicit a greater secondary response, thus suggesting a memory-specific T cell response. In the adoptive PLNA, popliteal lymph node cells from treated mice are injected into the footpad of naive mice; a marked response to a subsequent footpad challenge demonstrates the involvement of T cells. Finally, the reporter antigens TNP-Ficoll and TNP-ovalbumin are used to differentiate compounds that induce responses involving neo-antigen help or co-stimulatory signals (modified PLNA). The PLNA is increasingly considered as a tool for detection of the potential to induce both sensitization and autoimmune reactions. A major current limitation is validation. A small inter-laboratory validation study of the direct PLNA found consistent results. No such study has been performed using an alternative protocol. Other issues include selection of the optimal protocol for an improved prediction of sensitization vs autoimmunity, and the elimination of false-positive responses due to primary irritation. Finally, a better understanding of underlying mechanisms is essential to determine the most relevant endpoints. The confusion resulting from use of the PLNA to predict autoimmune-like reactions as well as sensitization should be clarified. Interestingly, most drugs that were positive in the direct PLNA are also known to cause drug hypersensitivity syndrome in treated patients. This observation is expected to open new avenues of research.
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Affiliation(s)
- Guillaume Ravel
- MDS Pharma Services, 69210 Saint-Germain s/l'Arbresle, France.
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Nierkens S, Pieters R. The reporter antigen popliteal lymph node assay. CURRENT PROTOCOLS IN TOXICOLOGY 2006; Chapter 18:Unit18.12. [PMID: 23045131 DOI: 10.1002/0471140856.tx1812s29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Many chemicals, including drugs and environmental pollutants, may have the intrinsic capacity to stimulate or dysregulate immune responses. These responses may create considerable problems for exposed subjects in terms of development of autoimmunity or hypersensitivity reactions. The popliteal lymph node assay (PLNA) provides a suitable tool to assess the immunostimulating potential of chemicals and might be a potential candidate as a screening tool in immunotoxicological hazard identification. The use of so-called reporter antigens (RA) in this assay additionally enables differentiation between immunosensitizing (sensitizers), immunostimulating (irritants), and innocent chemicals. In the RA-PLNA, the compound of interest is injected into the hind footpad together with a nonsensitizing dose of the RA. After 6 to 8 days, RA-specific responses are monitored in the draining PLN by measuring RA-specific antibody formation, cytokine secretion, and shifts in immune cell numbers. Hence, this simple and straightforward assay provides immunologically relevant information about the immunomodulating properties of a chemical.
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Affiliation(s)
- Stefan Nierkens
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, The Netherlands
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