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Zhang P, Wan Y, Li H, Lin X. Relationship between perioperative anaphylaxis and history of allergies or allergic diseases: A systematic review and meta-analysis with meta-regression. J Clin Anesth 2024; 94:111408. [PMID: 38387242 DOI: 10.1016/j.jclinane.2024.111408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 11/23/2023] [Accepted: 02/02/2024] [Indexed: 02/24/2024]
Abstract
STUDY OBJECTIVE We conducted this meta-analysis to summarize the available evidence and evaluate the relationship between a history of allergies/allergic diseases and perioperative anaphylaxis to offer preventive decision support. DESIGN Systematic review and meta-analysis of observational studies. SETTING We searched the MEDLINE (OVID), EMBASE, and the Cochrane Central Register of Controlled Trials databases for observational studies. Two investigators independently performed the search, screened the articles, and collected the study details. MEASUREMENTS Several databases were systematically searched to evaluate the relationship between a history of allergies/allergic diseases and perioperative anaphylaxis using subgroup analysis, sensitivity analysis and meta-regression. MAIN RESULTS A total of 19 studies involving 672 anaphylaxis episodes, 5608 immune-mediated reactions, and 1126 severe episodes met the eligibility criteria and were included in this meta-analysis. Drug allergies, food allergies, a history of allergies, and atopy increased the incidence of perioperative anaphylaxis (Drug allergies, odds ratio [OR] 3.54, 95% confidence interval [CI] 1.07-11.69; Food allergies, OR 2.29, 95% CI 1.23-4.26; A history of allergies, OR 4.86, 95% CI 3.65-6.49; Atopy, OR 3.58, 95% CI 1.47-8.71), but not the presence of immune-mediated reactions and the severity of perioperative anaphylaxis. CONCLUSIONS Patients with previous drug allergies, food allergies, a history of allergies, or atopy are more likely to develop anaphylaxis during the perioperative period. Additional studies should be carried out to determine whether a history of allergies/allergic diseases is a major factor for perioperative anaphylaxis when confounders are controlled.
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Affiliation(s)
- Panpan Zhang
- Department of Anesthesiology, West China Second University Hospital, Sichuan University, City of Chengdu, Sichuan 610041, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, China
| | - Yantong Wan
- Department of Anesthesiology, West China Second University Hospital, Sichuan University, City of Chengdu, Sichuan 610041, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, China
| | - Hao Li
- Department of Anesthesiology, West China Second University Hospital, Sichuan University, City of Chengdu, Sichuan 610041, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, China.
| | - Xuemei Lin
- Department of Anesthesiology, West China Second University Hospital, Sichuan University, City of Chengdu, Sichuan 610041, China; Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, Sichuan University, China.
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Adhikari N, Lee WJ, Park S, Kim S, Shim WS. A phytosphingosine derivative mYG-II-6 inhibits histamine-mediated TRPV1 activation and MRGPRX2-dependent mast cell degranulation. Int Immunopharmacol 2024; 133:112113. [PMID: 38657498 DOI: 10.1016/j.intimp.2024.112113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND Phytosphingosine and its derivative are known for their skin-protective properties. While mYG-II-6, a phytosphingosine derivative, has shown anti-inflammatory and antipsoriatic effects, its potential antipruritic qualities have yet to be explored. This study aimed to investigate mYG-II-6's antipruritic properties. METHODS The calcium imaging technique was employed to investigate the activity of ion channels and receptors. Mast cell degranulation was confirmed through the β-hexosaminidase assay. Additionally, in silico molecular docking and an in vivo mouse scratching behavior test were utilized. RESULTS Using HEK293T cells transfected with H1R and TRPV1, we examined the impact of mYG-II-6 on histamine-induced intracellular calcium rise, a key signal in itch-mediating sensory neurons. Pretreatment with mYG-II-6 significantly reduced histamine-induced calcium levels and inhibited TRPV1 activity, suggesting its role in blocking the calcium influx channel. Additionally, mYG-II-6 suppressed histamine-induced calcium increase in primary cultures of mouse dorsal root ganglia, indicating its potential antipruritic effect mediated by histamine. Interestingly, mYG-II-6 exhibited inhibitory effects on human MRGPRX2, a G protein-coupled receptor involved in IgE-independent mast cell degranulation. However, it did not inhibit mouse MrgprB2, the ortholog of human MRGPRX2. Molecular docking analysis revealed that mYG-II-6 selectively interacts with the binding pocket of MRGPRX2. Importantly, mYG-II-6 suppressed histamine-induced scratching behaviors in mice. CONCLUSIONS Our findings show that mYG-II-6 can alleviate histamine-induced itch sensation through dual mechanisms. This underscores its potential as a versatile treatment for various pruritic conditions.
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Affiliation(s)
- Nisha Adhikari
- College of Pharmacy, Gachon University, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Sciences, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Wook-Joo Lee
- College of Pharmacy, Gachon University, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Sciences, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Soojun Park
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Won-Sik Shim
- College of Pharmacy, Gachon University, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Sciences, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea.
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3
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Baldo BA. MRGPRX2, drug pseudoallergies, inflammatory diseases, mechanisms and distinguishing MRGPRX2- and IgE/FcεRI-mediated events. Br J Clin Pharmacol 2023; 89:3232-3246. [PMID: 37430437 DOI: 10.1111/bcp.15845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/22/2023] [Accepted: 06/30/2023] [Indexed: 07/12/2023] Open
Abstract
MRGPRX2, a novel Gaq -coupled human mast cell receptor, mediates non-immune adverse reactions without the involvement of antibody priming. Constitutively expressed by human skin mast cells, MRGPRX2 modulates cell degranulation producing pseudoallergies manifesting as itch, inflammation and pain. The term pseudoallergy is defined in relation to adverse drug reactions in general and immune/non-immune-mediated reactions in particular. A list of drugs with MRGPRX2 activity is presented, including a detailed examination of three important and widely used approved therapies: neuromuscular blockers, quinolones and opioids. For the clinician, the significance of MRGPRX2 is considered as an aid in distinguishing and ultimately identifying specific immune and non-immune inflammatory reactions. Anaphylactoid/anaphylactic reactions, neurogenic inflammation and inflammatory diseases with a clear or strongly suspected association with MRGPRX2 activation are examined. Inflammatory diseases include chronic urticaria, rosacea, atopic dermatitis, allergic contact dermatitis, mastocytosis, allergic asthma, ulcerative colitis and rheumatoid arthritis. MRGPRX2- and allergic IgE/FcεRI-mediated reactions may be clinically similar. Importantly, the usual testing procedures do not distinguish the two mechanisms. Currently, identification of MRGPRX2 activation and diagnosis of pseudoallergic reactions is generally viewed as a process of exclusion once other non-immune and immune processes, particularly IgE/FcεRI-mediated degranulation of mast cells, are ruled out. This does not take into account that MRGPRX2 signals via β-arrestin, which can be utilized to detect MRGPRX2 activation by employing MRGPRX2 transfected cells to assess MRGPRX2 activation via two pathways, the G-protein-independent β-arrestin pathway and the G-protein-dependent Ca2+ pathway. Testing procedures, interpretations for distinguishing mechanisms, patient diagnosis, agonist identification and drug safety evaluations are addressed.
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Affiliation(s)
- Brian A Baldo
- Royal North Shore Hospital of Sydney, Kolling Institute of Medical Research, Sydney, New South Wales, Australia
- Department of Medicine, University of Sydney, Sydney, New South Wales, Australia
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Lu J, Jia X, Wang C, He H. Screening potential anaphylactoid components in vinpocetine injection using a high expression Mas-related G-protein-coupled receptor X2 cell membrane chromatography. J Appl Toxicol 2023; 43:508-516. [PMID: 36199206 DOI: 10.1002/jat.4402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/18/2022] [Accepted: 10/02/2022] [Indexed: 11/08/2022]
Abstract
Vinpocetine injection is often used in clinical treatment of acute cardiovascular and cerebrovascular diseases. However, it was reported that vinpocetine injection caused allergic reactions in clinical use; therefore, its safety needs urgent attention. Until now, research on its sensitization is rarely reported. Here, the components contained in three vinpocetine injections were examined. It was found that besides vinpocetine, the synthetic raw material vincamine, the excipients benzyl alcohol and ethyl p-toluenesulfonate, and the impurities A, B, C, and D, which are excipients specified in the European Pharmacopoeia, were also present in them. Then the Mas-related G-protein-coupled receptor X2 (MRGPRX2)-HEK293 cell membrane chromatography was used to investigate the affinity of them with MRGPRX2 and found that vinpocetine, vincamine, and impurities A, B, C, and D bind to MRGPRX2. Afterwards, these compounds were further used to investigate the local sensitization ability in vivo. The results showed that vinpocetine, vincamine, and impurity C could induce swelling of the paw and decrease body temperature in mice, but only impurity C could cause local skin mast cell degranulation and serum histamine release increase. In vitro, the results also indicated that impurity C could increase intracellular [Ca2+ ] in MRGPRX2-HEK293 cells, whereas vinpocetine and vincamine did not. Therefore, the impurity C was the potential anaphylactoid component in vinpocetine injection, which may be one of the reasons for the occurrence of allergic reactions in the clinical use of vinpocetine injection. This work provides evidence on the sensitization of impurity C and also contributes to promoting the clinical safety of vinpocetine injection.
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Affiliation(s)
- Jiayu Lu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xin Jia
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Changhe Wang
- Shaanxi Institute for Food and Drug Control, Xi'an, Shaanxi, China
| | - Huaizhen He
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, China
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Au EYL, Mak HWF, Yeung MHY, Chiang V, Lam K, Wong JCY, Yeung HHF, Chan EYT, Lau CS, Li PH. Ten-year outcomes of Perioperative Anaphylaxis Workup Study in Hong Kong (PAWS-HK): Performance of diagnostic modalities. Ann Allergy Asthma Immunol 2023:S1081-1206(23)00125-4. [PMID: 36842494 DOI: 10.1016/j.anai.2023.02.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/26/2023]
Abstract
BACKGROUND Studies on perioperative anaphylaxis (PA) in Asia are lacking. Furthermore, allergy workup for PA has largely been limited to the "silver standard" of skin tests (ST). Using in vitro tests as an adjunct to ST may improve and overcome these diagnostic challenges. OBJECTIVE To evaluate the clinical characteristics and diagnostic tests of patients with suspected PA through the Perioperative Anaphylaxis Workup Study in Hong Kong cohort. METHODS Patients with a diagnosis of PA over a 10-year period were recruited into the Perioperative Anaphylaxis Workup Study in Hong Kong. We reviewed the medical records, tryptase elevation, and diagnostic tests including ST, specific immunoglobulin E, and basophil activation tests (BAT). RESULTS In 151 patients with PA, diagnosis was reached in three-fourths of the cases (113/151, 74.8%). The most common culprits identified were neuromuscular blocking agents (25.8%), β lactams (17.2%) and chlorhexidine (13.9%). Severe anaphylaxis was associated with female sex, older age, elevated acute tryptase levels, and more cardiovascular manifestations during induction. Skin tests remained the most sensitive diagnostic modality overall (66.2%). BAT showed better performance for chlorhexidine and gelofusine anaphylaxis, with sensitivity of 80.0% and 79.6%, respectively. Specific Immunoglobulin E indicated even higher sensitivity (95.2%) than did ST (85.0%) and BAT (80.0%) for chlorhexidine anaphylaxis but performed poorly for other drugs. CONCLUSION Neuromuscular blocking agents remain the most common culprit in PA. There was a higher prevalence of gelofusine anaphylaxis in our cohort than was seen in the literature. Skin tests remain the most sensitive testing modality. In vitro tests for chlorhexidine and gelofusine showed promising results, but more studies to further elucidate its use are warranted.
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Affiliation(s)
- Elaine Y L Au
- Division of Clinical Immunology, Department of Pathology Queen Mary Hospital, Hong Kong
| | - Hugo W F Mak
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
| | - Maegan H Y Yeung
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
| | - Valerie Chiang
- Division of Clinical Immunology, Department of Pathology Queen Mary Hospital, Hong Kong
| | - Ki Lam
- Division of Clinical Immunology, Department of Pathology Queen Mary Hospital, Hong Kong
| | - Jane C Y Wong
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
| | - Heather H F Yeung
- Division of Clinical Immunology, Department of Pathology Queen Mary Hospital, Hong Kong
| | - Eric Y T Chan
- Division of Clinical Immunology, Department of Pathology Queen Mary Hospital, Hong Kong
| | - Chak-Sing Lau
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
| | - Philip H Li
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong.
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Dejoux A, de Chaisemartin L, Bruhns P, Longrois D, Gouel-Chéron A. Neuromuscular blocking agent induced hypersensitivity reaction exploration: an update. Ugeskr Laeger 2023; 40:95-104. [PMID: 36301083 DOI: 10.1097/eja.0000000000001765] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Acute hypersensitivity reactions (AHRs) occurring in present-day anaesthesia can have severe, sometimes fatal, consequences and their incidence is increasing. The most frequent allergens responsible for AHR during anaesthesia are neuromuscular blocking agents (NMBAs) (70% of the cases) followed by antibiotics (18%), patent blue dye and methylene blue dye (5%), and latex (5%). Following an AHR, strategies for subsequent anaesthetic procedures (especially the choice of an NMBA) may be difficult to formulate due to inconclusive diagnostic analysis in up to 30% of AHRs. Current diagnosis of AHR relies on the detection of mast cell degranulation products and drug-specific type E immunoglobulins (IgE) in order to document an IgE-mediated anaphylaxis (IgE endotype). Nonetheless, other IgE-independent pathways can be involved in AHR, but their detection is not currently available in standard situations. The different mechanisms (endotypes) involved in peri-operative AHR may contribute to the inconclusive diagnostic work-up and this generates uncertainty concerning the culpable drug and strategy for subsequent anaesthetic procedures. This review provides details on the IgE endotype; an update on non-IgE related endotypes and the novel diagnostic tools that could characterise them. This detailed update is intended to provide explicit clinical reasoning tools to the anaesthesiologist faced with an incomplete AHR diagnostic work-up and to facilitate the decision-making process regarding anaesthetic procedures following an AHR to NMBAs.
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Affiliation(s)
- Alice Dejoux
- From the Institut Pasteur, Université de Paris, Unit of Antibodies in Therapy and Pathology, Inserm UMR1222 (AD, LdC, PB, AGC), Immunology Department, DMU BIOGEM, Bichat Hospital, AP-HP (LdC), Université Paris-Saclay, Inserm, Inflammation, Microbiome and Immunosurveillance, Châtenay-Malabry (LdC), Anaesthesiology and Critical Care Medicine Department, DMU PARABOL, Bichat Hospital, AP-HP (DL, AGC), Université de Paris, FHU PROMICE (DL), Anaesthesiology and Critical Care Medicine Department, DMU PARABOL, Bichat-Claude Bernard and Louis Mourier Hospitals, APHP (DL), INSERM1148, Paris, France (DL), and Biostatistics Research Branch, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA (AGC)
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7
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Sabato V, Ebo DG, Van Der Poorten MLM, Toscano A, Van Gasse AL, Mertens C, Van Houdt M, Beyens M, Elst J. Allergenic and Mas-Related G Protein-Coupled Receptor X2-Activating Properties of Drugs: Resolving the Two. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2023; 11:395-404. [PMID: 36581077 DOI: 10.1016/j.jaip.2022.12.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/02/2022] [Accepted: 12/11/2022] [Indexed: 12/27/2022]
Abstract
Since the seminal description implicating occupation of the Mas-related G protein-coupled receptor X2 (MRGPRX2) in mast cell (MC) degranulation by drugs, many investigations have been undertaken into this potential new endotype of immediate drug hypersensitivity reaction. However, current evidence for this mechanism predominantly comes from (mutant) animal models or in vitro studies, and irrefutable clinical evidence in humans is still missing. Moreover, translation of these preclinical findings into clinical relevance in humans is difficult and should be critically interpreted. Starting from our clinical priorities and experience with flow-assisted functional analyses of basophils and cultured human MCs, the objectives of this rostrum are to identify some of these difficulties, emphasize the obstacles that might hamper translation from preclinical observations into the clinics, and highlight differences between IgE- and MRPGRX2-mediated reactions. Inevitably, as with any subject still beset by many questions, alternative interpretations, hypotheses, or explanations expressed here may not find universal acceptance. Nevertheless, we believe that for the time being, many questions remain unanswered. Finally, a theoretical mechanistic algorithm is proposed that might advance discrimination between MC degranulation from MRGPRX2 activation and cross-linking of membrane-bound drug-reactive IgE antibodies.
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Affiliation(s)
- Vito Sabato
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium; Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
| | - Didier G Ebo
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium; Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium.
| | - Marie-Line M Van Der Poorten
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium; Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Antwerp, Belgium, and Paediatrics, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Alessandro Toscano
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Athina L Van Gasse
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium; Faculty of Medicine and Health Sciences, Department of Paediatrics and the Infla-Med Centre of Excellence, Antwerp, Belgium, and Paediatrics, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Christel Mertens
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Michel Van Houdt
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Michiel Beyens
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
| | - Jessy Elst
- Faculty of Medicine and Health Sciences, Department of Immunology, Allergology, Rheumatology and the Infla-Med Centre of Excellence, Antwerp (Belgium) and Immunology, Allergology, Rheumatology, Antwerp University Hospital, University of Antwerp, Antwerp, Belgium
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Han J, Pan C, Tang X, Li Q, Zhu Y, Zhang Y, Liang A. Hypersensitivity reactions to small molecule drugs. Front Immunol 2022; 13:1016730. [PMID: 36439170 PMCID: PMC9684170 DOI: 10.3389/fimmu.2022.1016730] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/20/2022] [Indexed: 02/02/2024] Open
Abstract
Drug hypersensitivity reactions induced by small molecule drugs encompass a broad spectrum of adverse drug reactions with heterogeneous clinical presentations and mechanisms. These reactions are classified into allergic drug hypersensitivity reactions and non-allergic drug hypersensitivity reactions. At present, the hapten theory, pharmacological interaction with immune receptors (p-i) concept, altered peptide repertoire model, and altered T-cell receptor (TCR) repertoire model have been proposed to explain how small molecule drugs or their metabolites induce allergic drug hypersensitivity reactions. Meanwhile, direct activation of mast cells, provoking the complement system, stimulating or inhibiting inflammatory reaction-related enzymes, accumulating bradykinin, and/or triggering vascular hyperpermeability are considered as the main factors causing non-allergic drug hypersensitivity reactions. To date, many investigations have been performed to explore the underlying mechanisms involved in drug hypersensitivity reactions and to search for predictive and preventive methods in both clinical and non-clinical trials. However, validated methods for predicting and diagnosing hypersensitivity reactions to small molecule drugs and deeper insight into the relevant underlying mechanisms are still limited.
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Affiliation(s)
- Jiayin Han
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chen Pan
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xuan Tang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qi Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yan Zhu
- Institute of Information on Traditional Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yushi Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Aihua Liang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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9
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Could Artificial Intelligence Prevent Intraoperative Anaphylaxis? Reference Review and Proof of Concept. Medicina (B Aires) 2022; 58:medicina58111530. [PMID: 36363487 PMCID: PMC9694532 DOI: 10.3390/medicina58111530] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 01/25/2023] Open
Abstract
Drugs and various medical substances have been used for many decades to diagnose or treat diseases. Procedures like surgery and anesthesia (either local or general) use different pharmacological products during these events. In most of the cases, the procedure is safe and the physician performs the technique without incidents. Although they are safe for use, these substances (including drugs) may have adverse effects, varying from mild ones to life-threatening reactions in a minority of patients. Artificial intelligence may be a useful tool in approximating the risk of anaphylaxis before undertaking a medical procedure. This material presents these undesirable responses produced by medical products from a multidisciplinary point of view. Moreover, we present a proof of concept for using artificial intelligence as a possible guardship against intraoperative anaphylaxis.
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MAS-related G protein-coupled receptors X (MRGPRX): Orphan GPCRs with potential as targets for future drugs. Pharmacol Ther 2022; 238:108259. [DOI: 10.1016/j.pharmthera.2022.108259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/30/2022] [Accepted: 08/01/2022] [Indexed: 11/20/2022]
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Sun X, Lv W, Wang Y, Zhang X, Ouyang Z, Yin R, Wei Y. Mrgprb2 gene plays a role in the anaphylactoid reactions induced by Houttuynia cordata injection. JOURNAL OF ETHNOPHARMACOLOGY 2022; 289:115053. [PMID: 35104575 DOI: 10.1016/j.jep.2022.115053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/18/2022] [Accepted: 01/25/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Houttuynia cordata Thunb., a plant belonging to the family of Saururaceae, has been used as a traditional Chinese medicine for more than 1500 years. Because of its various pharmacological activities, it was widely used as antipyretic, detoxification, anti-inflammatory drugs. Houttuynia cordata (HC) injection was prepared using contemporary methods to extract effective components from H. cordata Thunb. However, the adverse event reports of HC injection are accumulating remarkably with the HC injection clinical applications increased. Previous studies demonstrated that the major side effects of HC injection were anaphylactoid reactions. Our work might shed the light on the role of Mas-related G-protein coupled receptor-X2 (MRGPRX2) in modulating drug-induced anaphylactoid reactions. AIM OF THE STUDY We aimed to investigate the role of the mouse Mas-related G-protein coupled receptor B2 (Mrgprb2) (the orthologous gene of human MRGPRX2) in anaphylactoid reactions induced by HC injection. MATERIALS AND METHODS Mrgprb2 related anaphylactoid reactions induced by HC injection were investigated by histamine/β-hexosaminidase releasing, mast cell degranulation, and hind paw swelling assays by using a Mrgprb2 knockout mouse model. Furthermore, the transcriptomic profiles of the anaphylactoid reaction induced by HC injection was analyzed by RNA sequencing. RESULTS Mice without Mrgprb2 exhibited significantly decreasing in mast cell degranulation, serum histamine release, and hind paw swelling degrees. The RNA sequencing results indicated that Mrgprb2 could play a pivotal role in HC injection induced anaphylactoid reaction mediated by mTOR/AMPK pathway. Intriguingly, our results showed that Mrgprb2 might involve in Compound 48/80 induced anaphylactoid reactions mediated by Reelin/E-cadherin axis, which suggested different roles of Mrgprb2 in anaphylactoid reactions induced by HC injection and C48/80. CONCLUSION Our studies reported effects and underlying mechanisms of Mrgprb2 in the anaphylactoid reaction induced by HC injection.
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Affiliation(s)
- Xinyu Sun
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China
| | - Wanlin Lv
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
| | - Yalan Wang
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
| | - Xiao Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
| | - Zhen Ouyang
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
| | - Runting Yin
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
| | - Yuan Wei
- School of Pharmacy, Jiangsu University, Zhenjiang, 212000, China.
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12
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Azimi SF, Mainella V, Jeffres MN. Immediate hypersensitivity to fluoroquinolones: a cohort assessing cross-reactivity. Open Forum Infect Dis 2022; 9:ofac106. [PMID: 35355888 PMCID: PMC8962755 DOI: 10.1093/ofid/ofac106] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 03/01/2022] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background
Fluoroquinolones are the second-most prescribed antimicrobial and are frequently associated with causing hypersensitivity reactions. Existing evidence regarding cross-reactivity of fluoroquinolones is limited, offering clinicians little guidance in understanding the implications of selecting an in-class alternative among patients with histories of allergic reactions to fluoroquinolones. The aim of this study was to compare the frequency of immediate hypersensitivity reactions to either ciprofloxacin, levofloxacin, and/or moxifloxacin among patients with a history of immediate hypersensitivity to a different fluoroquinolone.
Methods
This retrospective chart review included adult patients with a history of an immediate hypersensitivity reaction to ciprofloxacin, levofloxacin, and/or moxifloxacin and a documented prescription for a different fluoroquinolone. The primary outcome was documentation of a hypersensitivity reaction upon second fluoroquinolone exposure.
Results
A total of 321 cases met inclusion criteria. Of these cases, 2.5% experienced an immediate hypersensitivity reaction after second fluoroquinolone exposure to ciprofloxacin, levofloxacin, and/or moxifloxacin. Within the ciprofloxacin, levofloxacin, and moxifloxacin index allergy cohorts, the frequency of cross-reactivity were 2.7%, 2.2%, and 5.3%, respectively.
Conclusion
Our data suggest that patients with a history of immediate hypersensitivity reaction to ciprofloxacin, levofloxacin, and/or moxifloxacin are at low risk of experiencing a cross-reaction when exposed to a different fluoroquinolone. Avoidance of all fluoroquinolones in this patient population may not be warranted.
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Affiliation(s)
- Sara F Azimi
- University of Colorado Anschutz Medical Campus, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO, USA
| | - Vincent Mainella
- University of Colorado Anschutz Medical Campus, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO, USA
| | - Meghan N Jeffres
- University of Colorado Anschutz Medical Campus, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO, USA
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13
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Chompunud Na Ayudhya C, Ali H. Mas-Related G Protein–Coupled Receptor-X2 and Its Role in Non-immunoglobulin E–Mediated Drug Hypersensitivity. Immunol Allergy Clin North Am 2022; 42:269-284. [PMID: 35469618 PMCID: PMC9674431 DOI: 10.1016/j.iac.2021.12.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A diverse group of Food and Drug Administration-approved cationic drugs including antibiotics, neuromuscular blocking drugs, opioids, antidepressants, and radiocontrast media activate mast cells and cause hypersensitivity reactions by both an immunoglobulin E IgE-dependent and independent manner. The recent discovery that these drugs activate mast cells via the G protein-coupled receptor known as Mas-related GPCR-X2 (MRGPRX2) has represented a paradigm shift of how drug hypersensitivity reactions are viewed. This article provides an overview of the current status of the role of MRGPRX2 on non-IgE-mediated drug hypersensitivity. Potential risk factors and evaluation for suspected MRGPRX2-mediated drug reactions are also discussed.
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Affiliation(s)
| | - Hydar Ali
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, PA 19104, USA.
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14
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Liu X, Gong R, Xin X, Zhao J. Clinical characteristics and allergen detection of perioperative anaphylaxis: a 12-year retrospective analysis from an anesthesia clinic in China. Perioper Med (Lond) 2022; 11:5. [PMID: 35063015 PMCID: PMC8781513 DOI: 10.1186/s13741-021-00234-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/05/2021] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Anaphylaxis during anesthesia is a rare but often a potentially life-threatening event for patients. Identifying culprit agents responsible for anaphylaxis is of great important for avoiding potential re-exposure to allergens, but it poses great challenge for anesthetists. This retrospective study aimed to analyze the culprits of patients with a history of perioperative anaphylaxis referred to an anesthesia allergy clinic in China, and to evaluate the role of allergy diagnostic tests in clinical practice.
Methods
A total of 145 patients (102 female/43 male) who attended the Anesthesia Allergy Clinic for allergen detection between 1 January 2009 and 31 December 2020 were reviewed retrospectively. Clinical characteristics, results of allergy diagnostic tests including skin, and/or basophil activation tests, and the incidence of repeat anaphylaxis after use of recommended alternative anesthetics were obtained.
Results
Of these 145 patients, 109 patients (75.2%, 74 females/35 males) were determined to experience perioperative anaphylaxis. The most common presenting clinical feature was cardiovascular manifestations (n = 63, 57.8%). According to diagnostic work up, the most common causative agents for perioperative anaphylaxis were neuromuscular blocking agents (n = 35, 32.1%). After diagnostic work up, 52 patients underwent repeat anesthesia. None of these patients experienced recurrent anaphylaxis.
Conclusions
This study suggests that neuromuscular blocking agents are the main cause of perioperative anaphylaxis. For patients with perioperative anaphylaxis, allergy diagnostic tests are essential to identify causative agents, and to find suitable alternative drugs for the future planning of subsequent anesthetics.
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15
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Design and synthesis of first environment-sensitive coumarin fluorescent agonists for MrgX2. Int J Biol Macromol 2022; 203:481-491. [PMID: 35051504 DOI: 10.1016/j.ijbiomac.2022.01.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/02/2022] [Accepted: 01/07/2022] [Indexed: 11/24/2022]
Abstract
Mas related G-protein-coupled receptor member X2 (MrgX2) has been identified as the crucial receptor in drug induced pseudo-allergic reactions and allergic diseases. In this research, the first type of fluorescent agonists (ZX1, ZX2 and ZX3) for MrgX2 were developed by conjugating environment-sensitive fluorophore coumarin to MrgX2 selective agonists (R)-ZINC-3573. Their environment-sensitive property was confirmed by the dramatically increase of fluorescent intensity after binding to the hydrophobic ligand binding domain MrgX2, which help to overcome the high background signal. Based on these characteristics, they can be used for selective visualization of MrgX2 in living cells even with their own background interference. Among these fluorescent agonists, compound ZX2 possessed splendid spectroscopic properties, outstanding pharmacological activities (EC50 = 0.93 μM, KD = 1.97 μM). And a competitive binding assay was established with ZX2 to analysis the binding affinity of MrgX2 agonists, which shown high coherence with the results of cell membrane chromatography. To our knowledge, these probes are the first fluorescent ligands of MrgX2 with agonistic activity and environment-sensitive property, which is expected to use for the development of MrgX2 molecular pharmacology and serve as a convenient high-throughput screening tool for the drug candidates targeting MrgX2.
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16
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Che D, Zheng Y, Hou Y, Du X, Jia T, Zhao Q, Song X, Zhou T, Geng S. Action of substance P and PAMP(9-20) on different excitation sites of MRGPRX2 induces differences in mast cell activation. Int Immunopharmacol 2021; 101:108342. [PMID: 34753104 DOI: 10.1016/j.intimp.2021.108342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/23/2021] [Accepted: 11/01/2021] [Indexed: 11/19/2022]
Abstract
MRGPRX2 on mast cells (MCs) is the target that directly mediates MC activation through the activity of small molecular substances. Previous work has attempted to prove that substance P (SP) and PAMP(9-20) induce an MRGPRX2-mediated MC degranulation reaction. However, SP activates MRGPRX2-induced histamine release, which may lead to allergic airway inflammation, while PAMP(9-20)-induced MrgprB2 activation releases more tryptase and fewer monoamines. Due to the lack of direct available comparisons, the different types of sensitizing mediators released by the action of SP and PAMP(9-20) inducing pseudo-allergic reactions via MRGPRX2 are unclear. To investigate whether the action sites of excited MRGPRX2 are different for SP and PAMP(9-20), leading to different effects, the release of inflammatory mediators was measured using MC degranulation reactions and RNA-seq assay in vitro. Mice were treated to observe local inflammation and MC degranulation in vivo. Moreover, site-directed mutagenesis was used to verify the excited sites of SP and PAMP(9-20). SP and PAMP(9-20) both activated MRGPRX2 and led MCs to release inflammatory mediators. Significantly different levels of histamine, tryptase, TNF-α, MCP-1, and other cytokines were released in vivo and in vitro. G165E, D184N, W243R, and H259Y were necessary for SP to activate MRGPRX2, while only D184N and W243R were important for PAMP(9-20). The downstream signaling pathways activated by SP and PAMP(9-20) also differed in the phosphorylation level of PKC. There were differences in the sites via which SP and PAMP(9-20) activate MRGPRX2 and also in the activated downstream signaling pathways, which led to the differences the activation of the pathways and effects of SP- and PAMP(9-20)-induced MRGPRX2 activation.
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Affiliation(s)
- Delu Che
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China; Center for Dermatology Disease, Precision Medical Institute, Xi'an, China
| | - Yi Zheng
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China; Center for Dermatology Disease, Precision Medical Institute, Xi'an, China
| | - Yajing Hou
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Xueshan Du
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Tao Jia
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qiang Zhao
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xiangjin Song
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Tong Zhou
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Songmei Geng
- Department of Dermatology, Northwest Hospital, The Second Hospital Affiliated to Xi'an Jiaotong University, Xi'an, Shaanxi, China; Center for Dermatology Disease, Precision Medical Institute, Xi'an, China.
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17
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Gouel-Cheron A, Neukirch C, Kantor E, Malinovsky JM, Tacquard C, Montravers P, Mertes PM, Longrois D. Clinical reasoning in anaphylactic shock: addressing the challenges faced by anaesthesiologists in real time: A clinical review and management algorithms. Eur J Anaesthesiol 2021; 38:1158-1167. [PMID: 33973926 DOI: 10.1097/eja.0000000000001536] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Acute hypersensitivity reactions to drugs occur infrequently during anaesthesia and the peri-operative period. When clinical presentation includes the classical triad, erythema, cardiovascular abnormalities and increased airway pressure, the diagnosis is evident and the challenge is to prescribe a therapeutic regimen according to guidelines and to manage refractory signs in a timely manner. In many situations, however, the initial clinical signs are isolated, such as increased airway pressure or arterial hypotension. Rendering a differential diagnosis with causes and mechanisms other than acute hypersensitivity reactions (AHRs) is difficult, delaying treatment with possible worsening of the clinical signs, and even death, in previously healthy individuals. In these difficult diagnostic situations, clinical reasoning is mandatory, and guidelines do not explicitly explain the elements on which clinical reasoning can be built. In this article, based on clinical evidence whenever available, experimental data and pathophysiology, we propose algorithms that have been evaluated by experts. The goal of these algorithms is to provide explicit elements on which the differential diagnosis of AHRs can be made, accelerating the implementation of adequate therapy.
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Affiliation(s)
- Aurelie Gouel-Cheron
- From the Anaesthesiology and Critical Care Medicine Department, DMU PARABOL, Bichat Hospital, AP-HP (AGC, EK, PM, DL), Antibody in Therapy and Pathology, Pasteur Institute, UMR 1222 INSERM, Paris, France (AGC), Biostatistics Research Branch, Division of Clinical Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA (AGC), Pulmonology Department, Bichat Hospital, AP-HP, Paris University (CN), INSERM UMR 1152, Paris University, DHU FIRE, Paris (CN, PM), Anaesthesiology and Critical Care Medicine Department, Maison Blanche Hospital, Centre Hospitalier Universitaire de Reims, Reims (JM-M), Anaesthesiology and Critical Care Medicine Department, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg (CT, PM-M), Paris University (PM, DL), EA 3072, Institut de Physiologie, FMTS, Faculté de Médecine de Strasbourg, Université de Strasbourg, Strasbourg (PM-M) and INSERM1148, Paris, France (DL)
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18
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Ali H. Revisiting the role of MRGPRX2 on hypersensitivity reactions to neuromuscular blocking drugs. Curr Opin Immunol 2021; 72:65-71. [PMID: 33857758 PMCID: PMC9634493 DOI: 10.1016/j.coi.2021.03.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/09/2021] [Accepted: 03/16/2021] [Indexed: 01/23/2023]
Abstract
Anaphylaxis is caused by a variety of triggers including Food and Drug Administration (FDA)-approved antibiotics, contrast media and neuromuscular blocking drugs (NMBDs). Traditionally, drug-induced anaphylaxis was thought to result mainly from IgE-mediated histamine release from mast cells. Recently, a G protein-coupled receptor known as MRGPRX2 has been identified and shown to be highly expressed on human skin but not lung mast cells. The demonstration that many NMBDs induce degranulation in human mast cells via MRGPRX2 led to the idea that this receptor contributes to NMBD-induced hypersensitivity reactions. However, other studies have raised doubts regarding its role in drug-induced hypersensitivity. This review discusses the current status and controversy on MRGPRX2's role on NMBD-induced hypersensitivity.
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Affiliation(s)
- Hydar Ali
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, 240 South 40th Street, Philadelphia, PA 19104, USA.
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19
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Xue Z, Zhang Y, Zeng Y, Hu S, Bai H, Wang J, Jing H, Wang N. Licochalcone A inhibits MAS-related GPR family member X2-induced pseudo-allergic reaction by suppressing nuclear migration of nuclear factor-κB. Phytother Res 2021; 35:6270-6280. [PMID: 34486187 DOI: 10.1002/ptr.7272] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 07/02/2021] [Accepted: 08/24/2021] [Indexed: 12/19/2022]
Abstract
Licochalcone A (Lico A) is a natural flavonoid belonging to the class of substituted chalcone that has various biological effects. Mast cells (MCs) are innate immune cells that mediate hypersensitivity and pseudo-allergic reactions. MAS-related GPR family member X2 (MRGPRX2) on MCs has been recognized as the main receptor for pseudo-allergic reactions. In this study, we investigated the anti-pseudo-allergy effect of Lico A and its underlying mechanism. Substance P (SP), as an MC activator, was used to establish an in vitro and in vivo model of pseudo-allergy. The in vivo effect of Lico A was investigated using passive cutaneous anaphylaxis (PCA) and active systemic allergy, along with degranulation, Ca2+ influx in vitro. SP-induced laboratory of allergic disease 2 (LAD2) cell mRNA expression was explored using RNA-seq, and Lico A inhibited LAD2 cell activation by reverse transcription polymerase chain reaction (RT-PCR), western blotting, and immunofluorescence staining. Lico A showed an inhibitory effect on SP-induced MC activation and pseudo-allergy both in vitro and in vivo. The nuclear factor (NF)-κB pathway is involved in MRGPRX2 induced MC activation, which is inhibited by Lico A. In conclusion, Lico A inhibited the pseudo-allergic reaction mediated by MRGPRX2 by blocking NF-κB nuclear migration.
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Affiliation(s)
- Zhuoyin Xue
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Yongjing Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Yingnan Zeng
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Shiling Hu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Haoyun Bai
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Jue Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China
| | - Huiling Jing
- Xi'an Hospital of Traditional Chinese Medicine, Xi'an, China
| | - Nan Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, China.,Pazhou Lab, Guangzhou, China
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20
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Abstract
Many adverse reactions to therapeutic drugs appear to be allergic in nature, and are thought to be triggered by patient-specific Immunoglobulin E (IgE) antibodies that recognize the drug molecules and form complexes with them that activate mast cells. However, in recent years another mechanism has been proposed, in which some drugs closely associated with allergic-type events can bypass the antibody-mediated pathway and trigger mast cell degranulation directly by activating a mast cell-specific receptor called Mas-related G protein-coupled receptor X2 (MRGPRX2). This would result in symptoms similar to IgE-mediated events, but would not require immune priming. This review will cover the frequency, severity, and dose-responsiveness of allergic-type events for several drugs shown to have MRGPRX2 agonist activity. Surprisingly, the analysis shows that mild-to-moderate events are far more common than currently appreciated. A comparison with plasma drug levels suggests that MRGPRX2 mediates many of these mild-to-moderate events. For some of these drugs, then, MRGPRX2 activation may be considered a regular and predictable feature after administration of high doses.
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Affiliation(s)
- Benjamin D. McNeil
- Division of Allergy and Immunology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
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21
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Roy S, Chompunud Na Ayudhya C, Thapaliya M, Deepak V, Ali H. Multifaceted MRGPRX2: New insight into the role of mast cells in health and disease. J Allergy Clin Immunol 2021; 148:293-308. [PMID: 33957166 PMCID: PMC8355064 DOI: 10.1016/j.jaci.2021.03.049] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 03/03/2021] [Accepted: 03/16/2021] [Indexed: 02/07/2023]
Abstract
Cutaneous mast cells (MCs) express Mas-related G protein-coupled receptor-X2 (MRGPRX2; mouse ortholog MrgprB2), which is activated by an ever-increasing number of cationic ligands. Antimicrobial host defense peptides (HDPs) generated by keratinocytes contribute to host defense likely by 2 mechanisms, one involving direct killing of microbes and the other via MC activation through MRGPRX2. However, its inappropriate activation may cause pseudoallergy and likely contribute to the pathogenesis of rosacea, atopic dermatitis, allergic contact dermatitis, urticaria, and mastocytosis. Gain- and loss-of-function missense single nucleotide polymorphisms in MRGPRX2 have been identified. The ability of certain ligands to serve as balanced or G protein-biased agonists has been defined. Small-molecule HDP mimetics that display both direct antimicrobial activity and activate MCs via MRGPRX2 have been developed. In addition, antibodies and reagents that modulate MRGPRX2 expression and signaling have been generated. In this article, we provide a comprehensive update on MrgprB2 and MRGPRX2 biology. We propose that harnessing MRGPRX2's host defense function by small-molecule HDP mimetics may provide a novel approach for the treatment of antibiotic-resistant cutaneous infections. In contrast, MRGPRX2-specific antibodies and inhibitors could be used for the modulation of allergic and inflammatory diseases that are mediated via this receptor.
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Affiliation(s)
- Saptarshi Roy
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, Pa
| | - Chalatip Chompunud Na Ayudhya
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, Pa
| | - Monica Thapaliya
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, Pa
| | - Vishwa Deepak
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, Pa
| | - Hydar Ali
- Department of Basic and Translational Sciences, University of Pennsylvania, School of Dental Medicine, Philadelphia, Pa.
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22
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Elst J, van der Poorten MLM, Van Gasse AL, De Puysseleyr L, Hagendorens MM, Faber MA, Van Houdt M, Passante E, Bahri R, Walschot M, Mertens C, Bridts CH, Sabato V, Ebo DG. Mast cell activation tests by flow cytometry: A new diagnostic asset? Clin Exp Allergy 2021; 51:1482-1500. [PMID: 34233046 DOI: 10.1111/cea.13984] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/04/2021] [Indexed: 12/20/2022]
Abstract
Since the late nineties, evidence has accumulated that flow-assisted basophil activation test (BAT) might be an accessible and reliable method to explore the mechanisms governing basophil degranulation and diagnostic allowing correct prediction of the clinical outcome following exposure to the offending allergen(s) and cross-reactive structures for different IgE-dependent allergies and particular forms of autoimmune urticaria. Although the BAT offers many advantages over mediator release tests, it is left with some weaknesses that hinder a wider application. It is preferable to perform the BAT analysis within 4 h of collection, and the technique does not advance diagnosis in patients with non-responsive cells. Besides, the BAT is difficult to standardize mainly because of the difficulty to perform large batch analyses that might span over several days. This article reviews the status of flow cytometric mast cell activation test (MAT) using passively sensitized mast cells (MCs) with patients' sera or plasma (henceforth indicated as passive MAT; pMAT) using both MC lines and cultured MCs in the diagnosis of IgE-dependent allergies. In addition, this paper provides guidance for generating human MCs from peripheral blood CD34+ progenitor cells (PBCMCs) and correct interpretation of flow cytometric analyses of activated and/or degranulating cells. With the recent recognition of the mas-related G protein-coupled receptor X2 (MRGPRX2) occupation as a putative mechanism of immediate drug hypersensitivity reactions (IDHRs), we also speculate how direct activation of MCs (dMAT)-that is direct activation by MRGPRX2 agonists without prior passive sensitization-could advance paradigms for this novel endotype of IDHRs.
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Affiliation(s)
- Jessy Elst
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Marie-Line M van der Poorten
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Athina L Van Gasse
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Leander De Puysseleyr
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Margo M Hagendorens
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Paediatrics, Faculty of Medicine and Health Science, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Margaretha A Faber
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Michel Van Houdt
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | | | - Rajia Bahri
- Division of Musculoskeletal & Dermatological Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Mark Walschot
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Christel Mertens
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Chris H Bridts
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium
| | - Vito Sabato
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
| | - Didier G Ebo
- Department of Immunology - Allergology - Rheumatology, Faculty of Medicine and Health Science and the Infla-Med Centre of Excellence, University of Antwerp, Antwerp University Hospital, Antwerp, Belgium.,Department of Immunology and Allergology, AZ Jan Palfijn Gent, Ghent, Belgium
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23
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Wang N, Zhang Y, Hu Y, Yang Q, Su Z. Serious bronchospasm induced by cisatracurium besylate: A case report. Medicine (Baltimore) 2021; 100:e25516. [PMID: 33847670 PMCID: PMC8051963 DOI: 10.1097/md.0000000000025516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/25/2021] [Indexed: 01/04/2023] Open
Abstract
RATIONALE Cis-atracurium as an intermediate-acting non-depolarizing neuromuscular blocker is widely used clinically with less causing cyclic fluctuations and less histamine release. As the use rate increases, allergic reactions and anaphylactoid reactions caused by cis-atracurium increase. PATIENT CONCERNS A 23-year-old woman underwent laparoscopic bariatric surgery. Airway spasm occurred after anesthesia induction and the operation was suspended. After adjustment, the anesthesia was performed with the same anesthetic scheme again. After induction, skin flushing and airway resistance increased, then the symptoms were relieved. When the cis-atracurium was given again, the symptoms of airway spasm reappeared immediately, and after communicating with the family, the operation was successfully completed with rocuronium. DIAGNOSES Serious bronchospasm induced by cisatracurium besylate. INTERVENTIONS The patient was undergone assisted ventilation with continuous positive airway pressure (CPAP) and aminophylline 250 mg, methylprednisolone 80 mg were given intravenously. OUTCOMES There was no any obvious discomfort in the patient's self-report during the next day's visit. The patient was discharged 7 days later. No abnormalities were observed during following 4 weeks. LESSONS Although the anaphylactoid reactions caused by cis-atracurium are rare, the bronchospasm and anaphylactic shock caused by it greatly increase the risk of anesthesia, which should be taken seriously by clinicians. Increased vigilance in diagnosis, and treatment are essential to prevent aggravation and further complication.
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Hermans MAW, van Stigt AC, van de Meerendonk S, Schrijver B, van Daele PLA, van Hagen PM, van Splunter M, Dik WA. Human Mast Cell Line HMC1 Expresses Functional Mas-Related G-Protein Coupled Receptor 2. Front Immunol 2021; 12:625284. [PMID: 33790895 PMCID: PMC8006456 DOI: 10.3389/fimmu.2021.625284] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 03/01/2021] [Indexed: 12/14/2022] Open
Abstract
The Mas-related G-protein-coupled receptor X2 (MRGPRX2) is prominently expressed by mast cells and induces degranulation upon binding by different ligands. Its activation has been linked to various mast cell-related diseases, such as chronic spontaneous urticaria, atopic dermatitis and asthma. Therefore, inhibition of MRGPRX2 activity represents a therapeutic target for these conditions. However, the exact pathophysiology of this receptor is still unknown. In vitro research with mast cells is often hampered by the technical limitations of available cell lines. The human mast cell types LAD2 and HuMC (human mast cells cultured from CD34+ progenitor cells) most closely resemble mature human mast cells, yet have a very slow growth rate. A fast proliferating alternative is the human mast cell line HMC1, but they are considered unsuitable for degranulation assays due to their immature phenotype. Moreover, the expression and functionality of MRGPRX2 on HMC1 is controversial. Here, we describe the MRGPRX2 expression and functionality in HMC1 cells, and compare these with LAD2 and HuMC. We also propose a model to render HMC1 suitable for degranulation assays by pre-incubating them with latrunculin-B (Lat-B). Expression of MRGPRX2 by HMC1 was proven by RQ-PCR and flowcytometry, although at lower levels compared with LAD2 and HuMC. Pre-incubation of HMC1 cells with Lat-B significantly increased the overall degranulation capacity, without significantly changing their MRGPRX2 expression, phenotype or morphology. The MRGPRX2 specific compound 48/80 (C48/80) effectively induced degranulation of HMC1 as measured by CD63 membrane expression and β-hexosaminidase release, albeit in lower levels than for LAD2 or HuMC. HMC1, LAD2 and HuMC each had different degranulation kinetics upon stimulation with C48/80. Incubation with the MRGPRX2 specific inhibitor QWF inhibited C48/80-induced degranulation, confirming the functionality of MRGPRX2 on HMC1. In conclusion, HMC1 cells have lower levels of MRGPRX2 expression than LAD2 or HuMC, but are attractive for in vitro research because of their high growth rate and stable phenotype. HMC1 can be used to study MRGPRX2-mediated degranulation after pre-incubation with Lat-B, which provides the opportunity to explore MPRGRX2 biology in mast cells in a feasible way.
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Affiliation(s)
- Maud A W Hermans
- Section of Allergy & Immunology, Department of Internal Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Astrid C van Stigt
- Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
| | - Sanne van de Meerendonk
- Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
| | - Benjamin Schrijver
- Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
| | - Paul L A van Daele
- Section of Allergy & Immunology, Department of Internal Medicine, Erasmus MC, Rotterdam, Netherlands.,Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
| | - Petrus M van Hagen
- Section of Allergy & Immunology, Department of Internal Medicine, Erasmus MC, Rotterdam, Netherlands.,Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
| | - Marloes van Splunter
- Section of Allergy & Immunology, Department of Internal Medicine, Erasmus MC, Rotterdam, Netherlands
| | - Willem A Dik
- Section of Allergy & Immunology, Department of Internal Medicine, Erasmus MC, Rotterdam, Netherlands.,Laboratory of Medical Immunology, Department of Immunology, Erasmus MC, Rotterdam, Netherlands
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MRGPRX2 Activation Causes Increased Skin Reactivity in Patients with Chronic Spontaneous Urticaria. J Invest Dermatol 2021; 141:678-681.e2. [DOI: 10.1016/j.jid.2020.06.030] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 06/09/2020] [Accepted: 06/30/2020] [Indexed: 12/19/2022]
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Minireview: Mas-related G protein-coupled receptor X2 activation by therapeutic drugs. Neurosci Lett 2021; 751:135746. [PMID: 33610674 DOI: 10.1016/j.neulet.2021.135746] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/05/2021] [Accepted: 02/11/2021] [Indexed: 12/18/2022]
Abstract
Symptoms that resemble allergic reactions, such as pruritus, flushing, and hypotension, are common side effects of therapeutic drugs. In a true allergic reaction, Immunoglobulin E (IgE) antibodies recognize the drug and trigger mediator release from mast cells through cross-linking of IgE receptors. However, many drugs can bypass this pathway and can activate mast cells directly through MRGPRX2, a G protein-coupled receptor that responds to a wide range of small molecules, peptides, and proteins that have little in common except for a net positive charge. This review will provide an overview of MRGPRX2, including its expression pattern, studies of its pharmacology, and its orthologs. It also will review evidence for MRGPRX2 activation by many drugs closely associated with these reactions.
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27
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Kühn H, Kolkhir P, Babina M, Düll M, Frischbutter S, Fok JS, Jiao Q, Metz M, Scheffel J, Wolf K, Kremer AE, Maurer M. Mas-related G protein-coupled receptor X2 and its activators in dermatologic allergies. J Allergy Clin Immunol 2020; 147:456-469. [PMID: 33071069 DOI: 10.1016/j.jaci.2020.08.027] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/28/2020] [Accepted: 08/21/2020] [Indexed: 12/13/2022]
Abstract
The Mas-related G protein-coupled receptor X2 (MRGPRX2) is a multiligand receptor responding to various exogenous and endogenous stimuli. Being highly expressed on skin mast cells, MRGPRX2 triggers their degranulation and release of proinflammatory mediators, and it promotes multicellular signaling cascades, such as itch induction and transmission in sensory neurons. The expression of MRGPRX2 by skin mast cells and the levels of the MRGPRX2 agonists (eg, substance P, major basic protein, eosinophil peroxidase) are upregulated in the serum and/or skin of patients with inflammatory and pruritic skin diseases, such as chronic spontaneous urticaria or atopic dermatitis. Therefore, MRGPRX2 and its agonists might be potential biomarkers for the progression of cutaneous inflammatory diseases and the response to treatment. In addition, they may represent promising targets for prevention and treatment of signs and symptoms in patients with skin diseases or drug reactions. To assess this possibility, this review explores the role and relevance of MRGPRX2 and its activators in cutaneous inflammatory disorders and chronic pruritus.
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Affiliation(s)
- Helen Kühn
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Pavel Kolkhir
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; I.M. Sechenov First Moscow State Medical University (Sechenov University), Division of Immune-mediated Skin Diseases, Moscow, Russia
| | - Magda Babina
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Miriam Düll
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Stefan Frischbutter
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jie Shen Fok
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Respiratory Medicine, Box Hill Hospital, Melbourne, Australia; Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Qingqing Jiao
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany; Department of Dermatology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Martin Metz
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Jörg Scheffel
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Katharina Wolf
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Andreas E Kremer
- Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Marcus Maurer
- Dermatological Allergology, Allergie-Centrum-Charité, Department of Dermatology and Allergy, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
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Cardona V, Ansotegui IJ, Ebisawa M, El-Gamal Y, Fernandez Rivas M, Fineman S, Geller M, Gonzalez-Estrada A, Greenberger PA, Sanchez Borges M, Senna G, Sheikh A, Tanno LK, Thong BY, Turner PJ, Worm M. World allergy organization anaphylaxis guidance 2020. World Allergy Organ J 2020; 13:100472. [PMID: 33204386 PMCID: PMC7607509 DOI: 10.1016/j.waojou.2020.100472] [Citation(s) in RCA: 408] [Impact Index Per Article: 102.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 09/03/2020] [Indexed: 12/16/2022] Open
Abstract
Anaphylaxis is the most severe clinical presentation of acute systemic allergic reactions. The occurrence of anaphylaxis has increased in recent years, and subsequently, there is a need to continue disseminating knowledge on the diagnosis and management, so every healthcare professional is prepared to deal with such emergencies. The rationale of this updated position document is the need to keep guidance aligned with the current state of the art of knowledge in anaphylaxis management. The World Allergy Organization (WAO) anaphylaxis guidelines were published in 2011, and the current guidance adopts their major indications, incorporating some novel changes. Intramuscular epinephrine (adrenaline) continues to be the first-line treatment for anaphylaxis. Nevertheless, its use remains suboptimal. After an anaphylaxis occurrence, patients should be referred to a specialist to assess the potential cause and to be educated on prevention of recurrences and self-management. The limited availability of epinephrine auto-injectors remains a major problem in many countries, as well as their affordability for some patients.
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Affiliation(s)
- Victoria Cardona
- Allergy Section, Department of Internal Medicine, Hospital Vall d’Hebron, and ARADyAL research network, Barcelona, Spain
| | - Ignacio J. Ansotegui
- Department of Allergy and Immunology, Hospital Quironsalud Bizkaia, Bilbao, Spain
| | - Motohiro Ebisawa
- Department of Allergy, Clinical Research Center for Allergy and Rheumatology, Sagamihara National Hospital, Kanagawa, Japan
| | - Yehia El-Gamal
- Pediatric Allergy and Immunology Unit, Ain Shams University, Cairo, Egypt
| | | | - Stanley Fineman
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia
| | - Mario Geller
- Division of Medicine, Academy of Medicine of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Alexei Gonzalez-Estrada
- Division of Pulmonary, Allergy and Sleep Medicine, Department of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Paul A. Greenberger
- Division of Allergy-Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Mario Sanchez Borges
- Allergy and Clinical Immunology Department, Centro Médico Docente La Trinidad and Clinica El Ávila, Caracas, Venezuela
| | - Gianenrico Senna
- Asthma Center and Allergy Unit, Verona University and General Hospital, Verona, Italy
| | - Aziz Sheikh
- Allergy and Respiratory Research Group, Usher Institute of Population Health Sciences and Informatics, The University of Edinburgh, Edinburgh, UK
| | - Luciana Kase Tanno
- Hospital Sírio Libanês, Brazil andUniversity Hospital of Montpellier, São Paulo, Montpellier, and Sorbonne Université, INSERM Paris, France, and WHO Collaborating Centre on Scientific Classification Support Montpellier, and WHO ICD-11 Medical and Scientific Advisory Committee Geneva, Switzerland
| | - Bernard Y. Thong
- Department of Rheumatology, Allergy and Immunology, Tan Tock Seng Hospital, Singapore
| | - Paul J. Turner
- National Heart Lung Institute, Imperial College London and Discipline of Paediatrics and Child Health, School of Medicine, University of Sydney, Sydney, Australia
| | - Margitta Worm
- Department of Dermatology and Allergology, Charite-Universitätsmedizin, Berlin, Germany
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Wedi B, Gehring M, Kapp A. The pseudoallergen receptor MRGPRX2 on peripheral blood basophils and eosinophils: Expression and function. Allergy 2020; 75:2229-2242. [PMID: 32003863 DOI: 10.1111/all.14213] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND Mas-related G protein-coupled receptor X2 (MRGPRX2) is regarded as a mast cell-specific receptor mediating non-IgE-dependent activation. We aimed to investigate whether human basophils and eosinophils express functional MRGPRX2. METHODS Flow cytometry, immunocytochemistry, immunofluorescence, Western blot, and RT-PCR were performed in highly purified peripheral blood basophils and eosinophils of atopic and nonatopic donors. To assess functional activity, fluorescent avidin-based degranulation assay, calcium mobilization, cytokine production in supernatants, assessment of viability/apoptosis, and tricolor granulocyte activation test were used. RESULTS MRGPRX2 was significantly expressed by basophils and eosinophils but not neutrophils. Functional capacity was shown by anti-MRGPRX2 mAb-induced calcium influx and concentration-dependent induction of degranulation. Sequential stimulation in the calcium mobilization assay gave no evidence for desensitization or receptor internalization. Anti-MRGPRX2 mAb significantly promoted survival. Inhibition of apoptosis could be due to released IL-3, IL-5, and GM-CSF found in supernatants. Short-term incubation with IL-3 dose-dependently upregulated MRGPRX2 expression in both, stimulation for 24 hours with anti-IgE, C5a, fMLP, and IL-3 in basophils and by IL-3, IL-5, and IL-33 in eosinophils. Among known mast cell MRGPRX2 agonists ciprofloxacin but not PMX-53 was functional on basophils and eosinophils. In basophils of allergic subjects, tricolor granulocyte activation test using grass pollen demonstrated MRGPRX2 upregulation associated with degranulation and CD63 expression. CONCLUSION Unraveling the regulation and signaling mechanisms of MRGPRX2 on basophils and eosinophils might enable the development of new therapeutic strategies to prevent or inhibit allergic and nonallergic hypersensitivity. Moreover, addressing MRGPRX2 might have potential for diagnostic purposes in (drug) hypersensitivity.
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Affiliation(s)
- Bettina Wedi
- Department of Dermatology and Allergy Comprehensive Allergy Center Hannover Medical School Hannover Germany
| | - Manuela Gehring
- Department of Dermatology and Allergy Comprehensive Allergy Center Hannover Medical School Hannover Germany
| | - Alexander Kapp
- Department of Dermatology and Allergy Comprehensive Allergy Center Hannover Medical School Hannover Germany
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A novel MRGPRX2-targeting antagonistic DNA aptamer inhibits histamine release and prevents mast cell-mediated anaphylaxis. Eur J Pharmacol 2020; 878:173104. [DOI: 10.1016/j.ejphar.2020.173104] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 04/01/2020] [Accepted: 04/06/2020] [Indexed: 01/07/2023]
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31
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Callahan BN, Kammala AK, Syed M, Yang C, Occhiuto CJ, Nellutla R, Chumanevich AP, Oskeritzian CA, Das R, Subramanian H. Osthole, a Natural Plant Derivative Inhibits MRGPRX2 Induced Mast Cell Responses. Front Immunol 2020; 11:703. [PMID: 32391014 PMCID: PMC7194083 DOI: 10.3389/fimmu.2020.00703] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 03/30/2020] [Indexed: 12/14/2022] Open
Abstract
Mast cells are tissue-resident innate immune cells known for their prominent role in mediating allergic reactions. MAS-related G-protein coupled receptor-X2 (MRGPRX2) is a promiscuous G-protein coupled receptor (GPCR) expressed on mast cells that is activated by several ligands that share cationic and amphipathic properties. Interestingly, MRGPRX2 ligands include certain FDA-approved drugs, antimicrobial peptides, and neuropeptides. Consequently, this receptor has been implicated in causing mast cell-dependent pseudo-allergic reactions to these drugs and chronic inflammation associated with asthma, urticaria and rosacea in humans. In the current study we examined the role of osthole, a natural plant coumarin, in regulating mast cell responses when activated by the MRGPRX2 ligands, including compound 48/80, the neuropeptide substance P, and the cathelicidin LL-37. We demonstrate that osthole attenuates both the early (Ca2+ mobilization and degranulation) and delayed events (chemokine/cytokine production) of mast cell activation via MRGPRX2 in vitro. Osthole also inhibits MrgprB2- (mouse ortholog of human MRGPRX2) dependent inflammation in in vivo mouse models of pseudo-allergy. Molecular docking analysis suggests that osthole does not compete with the MRGPRX2 ligands for interaction with the receptor, but rather regulates MRGPRX2 activation via allosteric modifications. Furthermore, flow cytometry and confocal microscopy experiments reveal that osthole reduces both surface and intracellular expression levels of MRGPRX2 in mast cells. Collectively, our data demonstrate that osthole inhibits MRGPRX2/MrgprB2-induced mast cell responses and provides a rationale for the use of this natural compound as a safer alternative treatment for pseudo-allergic reactions in humans.
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MESH Headings
- Animals
- Calcium Signaling/drug effects
- Cell Degranulation/drug effects
- Cell Line, Tumor
- Coumarins/administration & dosage
- Disease Models, Animal
- Edema/drug therapy
- Edema/immunology
- Female
- Humans
- Male
- Mast Cells/drug effects
- Mast Cells/immunology
- Mice
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Molecular Docking Simulation
- Nerve Tissue Proteins/antagonists & inhibitors
- Nerve Tissue Proteins/chemistry
- Nerve Tissue Proteins/metabolism
- Phytotherapy/methods
- Plant Extracts/administration & dosage
- Rats
- Receptors, G-Protein-Coupled/antagonists & inhibitors
- Receptors, G-Protein-Coupled/chemistry
- Receptors, G-Protein-Coupled/metabolism
- Receptors, Neuropeptide/antagonists & inhibitors
- Receptors, Neuropeptide/chemistry
- Receptors, Neuropeptide/metabolism
- Tissue Donors
- Treatment Outcome
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Affiliation(s)
- Brianna N. Callahan
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Ananth K. Kammala
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Meesum Syed
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Canchai Yang
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | | | - Rithvik Nellutla
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Alena P. Chumanevich
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Carole A. Oskeritzian
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Rupali Das
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Hariharan Subramanian
- Department of Physiology, Michigan State University, East Lansing, MI, United States
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Hao Y, Peng B, Che D, Zheng Y, Kong S, Liu R, Shi J, Han H, Wang J, Cao J, Zhang Y, Gao J, He L, Geng S. Imiquimod-related dermatitis is mainly mediated by mast cell degranulation via Mas-related G-protein coupled receptor B2. Int Immunopharmacol 2020; 81:106258. [PMID: 32044660 DOI: 10.1016/j.intimp.2020.106258] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/20/2020] [Accepted: 01/24/2020] [Indexed: 02/06/2023]
Abstract
While imiquimod (IMQ) has been widely used in dermatology, its side effect manifested as dermatitis couldn't be ignored. However, the underlying mechanism has not been fully understood. Considering the clinical features of IMQ-related dermatitis similar to pseudo-allergic reaction and the presence of large numbers of mast cell in tissues treated with IMQ, the possibility that IMQ-related dermatitis mediated by mast cell-specific Mas-related G protein-coupled receptor X2 (MRGPRX2) should be addressed. To investigate the role of MRGPRX2 in vivo, MrgprB2, the mice homology of human MRGPRX2, was detected in IMQ-induced dermatitis mouse model. Histopathological changes including mast cell degranulation and footpad swelling were assayed in wild-type and MrgprB2-/- mice. The results showed that IMQ application induced dermatitis and footpad swelling with inflammatory cells infiltration plus mast cell activation in the skin of wild-type mice but reduced significantly in MrgprB2-/- mice. Further, compared to wild-type mice, serum histamine and inflammatory cytokine levels were compromised in MrgprB2-/- mice treated with IMQ, while the serum IgE level didn't change significantly. In vitro studies, levels of mediators released from murine peritoneal mast cells (MPMCs) after IMQ treatment were increased in a dose-dependent manner, which were much mild in MPMCs from MrgprB2-/- mice. Intracellular Ca2+ concentration was increased in a dose dependent manner after IMQ treatment both in MrgprB2-HEK293 and MRGPRX2-HEK293 cells. Moreover, β-hexosaminidase released after IMQ treatment was blocked by siRNA directed at the MRGPRX2 receptor in LAD2 cells. In summary, MrgprB2 /MRGPRX2 mediate mast cell activation and participate in IMQ-related dermatitis.
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Affiliation(s)
- Yong Hao
- Department of Dermatology, Northwest Hospital, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China; Department of Dermatology, The Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Bin Peng
- Department of Dermatology, Northwest Hospital, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Delu Che
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yi Zheng
- Department of Dermatology, Northwest Hospital, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Shuzhen Kong
- Department of Dermatology, Northwest Hospital, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Rui Liu
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jihai Shi
- Department of Dermatology, The Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Hui Han
- Department of Dermatology, The Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, Inner Mongolia, China
| | - Jue Wang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jiao Cao
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yongjing Zhang
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jiapan Gao
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Langchong He
- School of Pharmacy, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
| | - Songmei Geng
- Department of Dermatology, Northwest Hospital, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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33
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Occhiuto CJ, Kammala AK, Yang C, Nellutla R, Garcia M, Gomez G, Subramanian H. Store-Operated Calcium Entry via STIM1 Contributes to MRGPRX2 Induced Mast Cell Functions. Front Immunol 2020; 10:3143. [PMID: 32038646 PMCID: PMC6985555 DOI: 10.3389/fimmu.2019.03143] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 12/27/2019] [Indexed: 12/13/2022] Open
Abstract
Mast cells are inflammatory immune cells that play an essential role in mediating allergic reactions in humans. It is well-known that mast cell activation is critically regulated by intracellular calcium ion (Ca2+) concentrations. MAS-related G-protein coupled receptor-X2 (MRGPRX2) is a G-protein coupled receptor (GPCR) expressed on mast cells that is activated by various ligands, including several FDA approved drugs; consequently, this receptor has been implicated in causing pseudo-allergic reactions in humans. MRGPRX2 activation leads to an increase in intracellular Ca2+ levels; however, the Ca2+ mobilizing mechanisms utilized by this receptor are largely unknown. Previous reports showed that store-operated Ca2+ entry (SOCE) via the calcium sensor, stromal interaction molecule 1 (STIM1), regulates mast cell response induced by the high-affinity IgE receptor (FcεRI). In this study, using complementary pharmacologic and genetic ablation approaches we demonstrate that SOCE through STIM1 promotes MRGPRX2-induced human mast cell response in vitro. Importantly, SOCE also critically modulates MrgprB2 (mouse ortholog of human MRGPRX2) dependent inflammation in in vivo mouse models of pseudo-allergy. Collectively, our data suggests that MRGPRX2/MrgprB2 activation of mast cells is dependent on SOCE via STIM1, and further characterization of the MRGPRX2-SOCE-STIM1 pathway will lead to the identification of novel targets for the treatment of pseudo-allergic reactions in humans.
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Affiliation(s)
| | - Ananth K Kammala
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Canchai Yang
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Rithvik Nellutla
- Department of Physiology, Michigan State University, East Lansing, MI, United States
| | - Marco Garcia
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Gregorio Gomez
- Department of Pathology, Microbiology and Immunology, School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Hariharan Subramanian
- Department of Physiology, Michigan State University, East Lansing, MI, United States
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Ebo DG, Van Gasse AL, Decuyper II, Uyttebroek A, Sermeus LA, Elst J, Bridts CH, Mertens CM, Faber MA, Hagendorens MM, De Clerck LS, Sabato V. Acute Management, Diagnosis, and Follow-Up of Suspected Perioperative Hypersensitivity Reactions in Flanders 2001-2018. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2019; 7:2194-2204.e7. [DOI: 10.1016/j.jaip.2019.02.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/25/2019] [Accepted: 02/15/2019] [Indexed: 12/20/2022]
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35
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Ebo DG, Clarke RC, Mertes PM, Platt PR, Sabato V, Sadleir PH. Molecular mechanisms and pathophysiology of perioperative hypersensitivity and anaphylaxis: a narrative review. Br J Anaesth 2019; 123:e38-e49. [DOI: 10.1016/j.bja.2019.01.031] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 12/25/2018] [Accepted: 01/15/2019] [Indexed: 12/19/2022] Open
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36
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Zeng Y, Wang J, Zhang Y, Ge S, Wu Y, Fan T, Wang N. Gold induces a pseudo-allergic reaction via MRGPRX2 both in vitro and in vivo. Cell Immunol 2019; 341:103923. [PMID: 31076078 DOI: 10.1016/j.cellimm.2019.103923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 03/26/2019] [Accepted: 05/02/2019] [Indexed: 10/26/2022]
Abstract
The traditional mast cell (MC) degranulation pathway is mediated by crossing-linking of high-affinity IgE receptor (FcεRI), whereas a non-traditional, but analogous, pseudo-allergic way was recently reported to occur via Mas-Related G Protein-Coupled Receptor X2 (MRGPRX2). Severe contact hypersensitivity to metallic gold, typically considered non-sensitizing, has been reported. However, whether gold induces IgE-independent allergy remains unclear. Therefore, this study assessed the effects of gold chloride (CA) on MC activation and its relation to MRGPRX2. Our data show that CA acted on MRGPRX2 to increase cellular calcium levels and induced the release of inflammatory mediators in vitro. Compared to Mrgprb2-knockout (KO) mice, CA dose-dependently induced passive cutaneous anaphylaxis (PCA) in wild-type (WT) mice. Furthermore, peritoneal mast cells (MPMCs) were extracted from WT and Mrgprb2-KO mice and stimulated by CA, but only MPMCs from WT mice could be activated. Our results suggest that CA-induced pseudo-allergic responses are MRGPRX2 dependent.
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Affiliation(s)
- Yingnan Zeng
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Jue Wang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yongjing Zhang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Shuai Ge
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China
| | - Yuanyuan Wu
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an 710004, China
| | - Ting Fan
- Department of Pharmacy, Hong Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an 710054, China
| | - Nan Wang
- College of Pharmacy, Xi'an Jiaotong University, Xi'an 710061, China.
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