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Beccacece L, Abondio P, Bini C, Pelotti S, Luiselli D. The Link between Prostanoids and Cardiovascular Diseases. Int J Mol Sci 2023; 24:ijms24044193. [PMID: 36835616 PMCID: PMC9962914 DOI: 10.3390/ijms24044193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 02/22/2023] Open
Abstract
Cardiovascular diseases are the leading cause of global deaths, and many risk factors contribute to their pathogenesis. In this context, prostanoids, which derive from arachidonic acid, have attracted attention for their involvement in cardiovascular homeostasis and inflammatory processes. Prostanoids are the target of several drugs, but it has been shown that some of them increase the risk of thrombosis. Overall, many studies have shown that prostanoids are tightly associated with cardiovascular diseases and that several polymorphisms in genes involved in their synthesis and function increase the risk of developing these pathologies. In this review, we focus on molecular mechanisms linking prostanoids to cardiovascular diseases and we provide an overview of genetic polymorphisms that increase the risk for cardiovascular disease.
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Affiliation(s)
- Livia Beccacece
- Computational Genomics Lab, Department of Pharmacy and Biotechnology, University of Bologna, 40126 Bologna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Paolo Abondio
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
- Correspondence: (L.B.); (P.A.)
| | - Carla Bini
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Susi Pelotti
- Unit of Legal Medicine, Department of Medical and Surgical Sciences, University of Bologna, 40126 Bologna, Italy
| | - Donata Luiselli
- aDNA Lab, Department of Cultural Heritage, University of Bologna, Ravenna Campus, 48121 Ravenna, Italy
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The association between thromboxane A 2 receptor gene polymorphisms and the risk of cerebral infarction. Clin Neurol Neurosurg 2020; 198:106134. [PMID: 32810763 DOI: 10.1016/j.clineuro.2020.106134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/02/2020] [Accepted: 08/03/2020] [Indexed: 11/24/2022]
Abstract
To explore the association between thromboxane A2 receptor (TXA2R) gene polymorphisms and the risk of cerebral infarction. We screened the relevant publications through the search engines in PubMed, Google Scholar, Embase, Web of Science, and China National Knowledge Infrastructure (the latest search update was performed on July 1, 2020). Gene-disease associations were measured using the estimation of OR (95 % CI) based on five genetic inheritance models. Totally three studies were included in this meta-analysis. TXA2R rs768963 polymorphism in homozygote comparison (OR = 1.86, 95 % CI: 1.35-2.56), heterozygote comparison (OR = 1.81, 95 % CI: 1.37-2.39), and dominant model (OR = 1.82, 95 % CI: 1.39-2.37) emerged as risk factors for cerebral infarction. Besides, an increased cerebral infarction risk was observed in the heterozygote comparison (OR = 1.39, 95 % CI: 1.03-1.88) for TXA2R rs2271875 polymorphism. None of the five models showed any association between TXA2R rs4523 polymorphism and cerebral infarction risk. In conclusion, this is the first meta-analysis verifying that TXA2R rs768963 polymorphism and TXA2R rs2271875 polymorphism may be associated with the risk of cerebral infarction.
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Kim SD, Cho KS. Samter's Triad: State of the Art. Clin Exp Otorhinolaryngol 2018; 11:71-80. [PMID: 29642688 PMCID: PMC5951071 DOI: 10.21053/ceo.2017.01606] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/13/2018] [Accepted: 01/14/2018] [Indexed: 01/01/2023] Open
Abstract
Samter’s triad (ST) is a well-known disease characterized by the triad of bronchial asthma, nasal polyps, and aspirin intolerance. Over the past few years, a rapid development in the knowledge of the pathogenesis and clinical characteristics of ST has happened. The aim of this paper is to review the recent investigations on the pathophysiological mechanisms and genetic background, diagnosis, and different therapeutic options of ST to advance our understanding of the mechanism and the therapeutic control of ST. As concern for ST increase, more application of aspirin desensitization will be required to manage this disease successfully. There is also a need for continued research efforts in pathophysiology, treatment, and possible prevention.
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Affiliation(s)
- Sung-Dong Kim
- Department of Otorhinolaryngology-Head and Neck Surgery and Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
| | - Kyu-Sup Cho
- Department of Otorhinolaryngology-Head and Neck Surgery and Biomedical Research Institute, Pusan National University Hospital, Pusan National University School of Medicine, Busan, Korea
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Abstract
PURPOSE OF REVIEW The pathophysiology of aspirin-exacerbated respiratory disease (AERD) is not fully understood and diagnostic methods and so far, treatments for AERD have not been standardized. We summarize recent research into the pathological mechanisms of AERD, diagnostic methods, and treatments for AERD patients. RECENT FINDINGS In AERD pathophysiology, not only the reduced expression of E prostanoid 2 but also the dysfunction of its pathway could be involved. Moreover, eosinophils of AERD patients could be directly activated by aspirin to produce prostaglandin D2. Platelet activations are well known to be involved in AERD; however, plasma markers do not change during aspirin challenge tests. Additionally, novel genetic polymorphisms, such as P2RY12 and dipeptidyl peptidase 10 gene, and epigenetic predispositions of AERD were found. In AERD diagnosis, bronchial and nasal aspirin challenges have been applied in addition to oral challenge. Serum periostin has been suggested as a potential biomarker for AERD. Apart from standard pharmacological treatment and aspirin desensitization, biologics, including omalizumab and mepolizumab, as well as CRTH2 antagonists have been suggested as promising therapies for AERD treatment. SUMMARY AERD is usually associated with severe asthma phenotypes. AERD pathophysiology mainly involves the dysregulation of eicosanoid metabolisms, activations of effector cells, which could be influenced by genetic/epigenetic factors. Understanding the pathophysiology of AERD is key to improve the diagnostic methods and proper management of AERD patients.
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Chang HS, Park JS, Lee HS, Lyu J, Son JH, Choi IS, Shin HD, Park CS. Association analysis of ILVBL gene polymorphisms with aspirin-exacerbated respiratory disease in asthma. BMC Pulm Med 2017; 17:210. [PMID: 29246216 PMCID: PMC5732499 DOI: 10.1186/s12890-017-0556-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 12/07/2017] [Indexed: 12/30/2022] Open
Abstract
Background We previously reported that the ILVBL gene on chromosome 19p13.1 was associated with the risk for aspirin-exacerbated respiratory disease (AERD) and the percent decline of forced expired volume in one second (FEV1) after an oral aspirin challenge test. In this study, we confirmed the association between polymorphisms and haplotypes of the ILVBL gene and the risk for AERD and its phenotype. Methods We recruited 141 AERD and 995 aspirin-tolerant asthmatic (ATA) subjects. All study subjects underwent an oral aspirin challenge (OAC). Nine single nucleotide polymorphisms (SNPs) with minor allele frequencies above 0.05, which were present in the region from 2 kb upstream to 0.5 kb downstream of ILVBL in Asian populations, were selected and genotyped. Results In an allelic association analysis, seven of nine SNPs were significantly associated with the risk for AERD after correction for multiple comparisons. In a codominant model, the five SNPs making up block2 (rs2240299, rs7507755, rs1468198, rs2074261, and rs13301) showed significant associations with the risk for AERD (corrected P = 0.001–0.004, OR = 0.59–0.64). Rs1468198 was also significantly associated with the percent decline in FEV1 in OAC tests after correction for multiple comparisons in the codominant model (corrected P = 0.033), but the other four SNPs in hapblock2 were not. Conclusion To the best of our knowledge, this is the first report of an association between SNPs on ILVBL and AERD. SNPs on ILVBL could be promising genetic markers of this condition. Electronic supplementary material The online version of this article (10.1186/s12890-017-0556-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hun Soo Chang
- Department of Medical Bioscience, Graduate School, Soonchunhyang University, 22, Soonchunhyang-ro, Asan, Chungcheongnam-do, 336-745, Republic of Korea.
| | - Jong Sook Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Ku, Bucheon, Gyeonggi-Do, 420-021, Republic of Korea
| | - Ho Sung Lee
- Division of Respiratory Medicine, Soonchunhyang University Chunan Hospital, Chunan-Si, Chungcheongnam-do, 336-745, Republic of Korea
| | - Jiwon Lyu
- Division of Respiratory Medicine, Soonchunhyang University Chunan Hospital, Chunan-Si, Chungcheongnam-do, 336-745, Republic of Korea
| | - Ji-Hye Son
- Department of Medical Bioscience, Graduate School, Soonchunhyang University, 22, Soonchunhyang-ro, Asan, Chungcheongnam-do, 336-745, Republic of Korea
| | - Inseon S Choi
- Department of Allergy, Chonnam National University Medical School and Research Institute of Medical Sciences, Gwangju, 61469, Republic of Korea
| | - Hyoung Doo Shin
- Department of Life Science, Sogang University, 1 Shinsu-dong, Mapo-gu, Seoul, 121-742, Republic of Korea.,Department of Genetic Epidemiology, SNP Genetics, Inc., 1407 14th Floor, Woolim-rall'ey B, Gasan-dong, Geumcheon-Gu, Seoul, 153-803, Republic of Korea
| | - Choon-Sik Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Ku, Bucheon, Gyeonggi-Do, 420-021, Republic of Korea.
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Thompson MD, Capra V, Clunes MT, Rovati GE, Stankova J, Maj MC, Duffy DL. Cysteinyl Leukotrienes Pathway Genes, Atopic Asthma and Drug Response: From Population Isolates to Large Genome-Wide Association Studies. Front Pharmacol 2016; 7:299. [PMID: 27990118 PMCID: PMC5131607 DOI: 10.3389/fphar.2016.00299] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2015] [Accepted: 08/24/2016] [Indexed: 02/05/2023] Open
Abstract
Genetic variants associated with asthma pathogenesis and altered response to drug therapy are discussed. Many studies implicate polymorphisms in genes encoding the enzymes responsible for leukotriene synthesis and intracellular signaling through activation of seven transmembrane domain receptors, such as the cysteinyl leukotriene 1 (CYSLTR1) and 2 (CYSLTR2) receptors. The leukotrienes are polyunsaturated lipoxygenated eicosatetraenoic acids that exhibit a wide range of pharmacological and physiological actions. Of the three enzymes involved in the formation of the leukotrienes, arachidonate 5 lipoxygenase 5 (ALOX5), leukotriene C4 synthase (LTC4S), and leukotriene hydrolase (LTA4H) are all polymorphic. These polymorphisms often result in variable production of the CysLTs (LTC4, LTD4, and LTE4) and LTB4. Variable number tandem repeat sequences located in the Sp1-binding motif within the promotor region of the ALOX5 gene are associated with leukotriene burden and bronchoconstriction independent of asthma risk. A 444A > C SNP polymorphism in the LTC4S gene, encoding an enzyme required for the formation of a glutathione adduct at the C-6 position of the arachidonic acid backbone, is associated with severe asthma and altered response to the CYSLTR1 receptor antagonist zafirlukast. Genetic variability in the CysLT pathway may contribute additively or synergistically to altered drug responses. The 601 A > G variant of the CYSLTR2 gene, encoding the Met201Val CYSLTR2 receptor variant, is associated with atopic asthma in the general European population, where it is present at a frequency of ∼2.6%. The variant was originally found in the founder population of Tristan da Cunha, a remote island in the South Atlantic, in which the prevalence of atopy is approximately 45% and the prevalence of asthma is 36%. In vitro work showed that the atopy-associated Met201Val variant was inactivating with respect to ligand binding, Ca2+ flux and inositol phosphate generation. In addition, the CYSLTR1 gene, located at Xq13-21.1, has been associated with atopic asthma. The activating Gly300Ser CYSLTR1 variant is discussed. In addition to genetic loci, risk for asthma may be influenced by environmental factors such as smoking. The contribution of CysLT pathway gene sequence variants to atopic asthma is discussed in the context of other genes and environmental influences known to influence asthma.
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Affiliation(s)
- Miles D Thompson
- Biochemical Genetics and Metabolomics Laboratory, Department of Pediatrics, University of California, San Diego, La JollaCA, USA; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ONCanada
| | - Valerie Capra
- Department of Health Sciences, San Paolo Hospital, Università degli Studi di Milano Milano, Italy
| | - Mark T Clunes
- Department of Physiology/Neuroscience, School of Medicine, Saint George's University Saint George's, Grenada
| | - G E Rovati
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano Milano, Italy
| | - Jana Stankova
- Division of Immunology and Allergy, Department of Pediatrics, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke QC, Canada
| | - Mary C Maj
- Department of Biochemistry, School of Medicine, Saint George's University Saint George's, Grenada
| | - David L Duffy
- QIMR Berghofer Medical Research Institute, Herston QLD, Australia
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Khan DA. Pharmacogenomics and adverse drug reactions: Primetime and not ready for primetime tests. J Allergy Clin Immunol 2016; 138:943-955. [DOI: 10.1016/j.jaci.2016.08.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 08/24/2016] [Accepted: 08/24/2016] [Indexed: 10/20/2022]
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Cornejo-García JA, Perkins JR, Jurado-Escobar R, García-Martín E, Agúndez JA, Viguera E, Pérez-Sánchez N, Blanca-López N. Pharmacogenomics of Prostaglandin and Leukotriene Receptors. Front Pharmacol 2016; 7:316. [PMID: 27708579 PMCID: PMC5030812 DOI: 10.3389/fphar.2016.00316] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 09/02/2016] [Indexed: 01/15/2023] Open
Abstract
Individual genetic background together with environmental effects are thought to be behind many human complex diseases. A number of genetic variants, mainly single nucleotide polymorphisms (SNPs), have been shown to be associated with various pathological and inflammatory conditions, representing potential therapeutic targets. Prostaglandins (PTGs) and leukotrienes (LTs) are eicosanoids derived from arachidonic acid and related polyunsaturated fatty acids that participate in both normal homeostasis and inflammatory conditions. These bioactive lipid mediators are synthesized through two major multistep enzymatic pathways: PTGs by cyclooxygenase and LTs by 5-lipoxygenase. The main physiological effects of PTGs include vasodilation and vascular leakage (PTGE2); mast cell maturation, eosinophil recruitment, and allergic responses (PTGD2); vascular and respiratory smooth muscle contraction (PTGF2), and inhibition of platelet aggregation (PTGI2). LTB4 is mainly involved in neutrophil recruitment, vascular leakage, and epithelial barrier function, whereas cysteinyl LTs (CysLTs) (LTC4, LTD4, and LTE4) induce bronchoconstriction and neutrophil extravasation, and also participate in vascular leakage. PTGs and LTs exert their biological functions by binding to cognate receptors, which belong to the seven transmembrane, G protein-coupled receptor superfamily. SNPs in genes encoding these receptors may influence their functionality and have a role in disease susceptibility and drug treatment response. In this review we summarize SNPs in PTGs and LTs receptors and their relevance in human diseases. We also provide information on gene expression. Finally, we speculate on future directions for this topic.
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Affiliation(s)
- José A Cornejo-García
- Research Laboratory, International Business Information Management Association (IBIMA)-Regional University Hospital of Malaga, University of Málaga (UMA)Malaga, Spain; Allergy Unit, International Business Information Management Association (IBIMA)-Regional University Hospital of Malaga, University of Málaga (UMA)Malaga, Spain
| | - James R Perkins
- Research Laboratory, International Business Information Management Association (IBIMA)-Regional University Hospital of Malaga, University of Málaga (UMA) Malaga, Spain
| | - Raquel Jurado-Escobar
- Research Laboratory, International Business Information Management Association (IBIMA)-Regional University Hospital of Malaga, University of Málaga (UMA) Malaga, Spain
| | | | - José A Agúndez
- Department of Pharmacology, University of Extremadura Caceres, Spain
| | - Enrique Viguera
- Genetics Unit, Department of Cell Biology, Genetics and Physiology, Faculty of Sciences, University of Málaga Malaga, Spain
| | - Natalia Pérez-Sánchez
- Allergy Unit, International Business Information Management Association (IBIMA)-Regional University Hospital of Malaga, University of Málaga (UMA) Malaga, Spain
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Sakalar EG, Muluk NB, Kar M, Cingi C. Aspirin-exacerbated respiratory disease and current treatment modalities. Eur Arch Otorhinolaryngol 2016; 274:1291-1300. [PMID: 27538737 DOI: 10.1007/s00405-016-4273-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 08/16/2016] [Indexed: 01/14/2023]
Abstract
Aspirin-exacerbated respiratory disease (AERD) refers to the combination of asthma, chronic rhinosinusitis with nasal polyposis, and acute upper and lower respiratory tract reactions to the ingestion of aspirin (acetylsalicylic acid, ASA) and other cyclooxygenase-1 inhibiting non-steroidal anti-inflammatory drugs. AERD affects 0.3-0.9 % of the general population. AERD generally occurs due to abnormalities in mediators and expression of arachidonic acid biosynthesis. Local IgE responses to staphylococcal enterotoxins may also be responsible for eosinophilic activation in the nasal polyp tissues of AERD patients. Clinical features of AERD include the onset of nasal congestion with anosmia, progressing to chronic pansinusitis and nasal polyps that regrow rapidly after surgery. Aspirin desensitization, Leukotriene-modifying agents, biologic agents, management of asthma, chronic rhinosinusitis, and nasal polyposis are recommended as treatment modalities. Immunotherapy is prescribed only to those AERD patients who experience clear seasonal or perennial allergy symptoms in addition to the symptoms attributable to chronic nasal polyposis. There are also investigational and dietary therapies. In this review, the important aspects of AERD will be presented, along with a literature survey.
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Affiliation(s)
| | - Nuray Bayar Muluk
- Department of Otorhinolaryngology, Medical Faculty, Kirikkale University, Kirikkale, Turkey. .,, Birlik Mahallesi, Zirvekent 2. Etap Sitesi, C-3 blok, No: 6-3/43, 06610, Çankaya, Ankara, Turkey.
| | - Murat Kar
- ENT Clinics, Kumluca State Hospital, Antalya, Turkey
| | - Cemal Cingi
- Department of Otorhinolaryngology, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey
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Pan Y, Li S, Xie X, Li M. Association between thromboxane A2 receptor polymorphisms and asthma risk: A meta-analysis. J Asthma 2016; 53:576-82. [PMID: 27058349 DOI: 10.3109/02770903.2015.1126849] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
OBJECTIVE To determine whether there is an association between thromboxane A2 receptor (TBXA2R) gene polymorphisms (+924C/T and +795C/T) and asthma risk by conducting a meta-analysis. DATA SOURCES Pubmed, Embase, Chinese National Knowledge Infrastructure (CNKI) and Wanfang database were searched (updated May 1, 2015). STUDY SELECTIONS Articles evaluating the association between TBXA2R gene polymorphisms and asthma risk were selected. RESULTS A total of 7 studies on +924C/T polymorphism and 6 studies on +795C/T polymorphism were included in this meta-analysis. There was a significant association between TBXA2R +924C/T polymorphism and asthma risk in the recessive model (OR = 1.33, 95% CI = 1.01-1.75, P = 0.045). No significant association between +795C/T polymorphism and asthma risk in the overall population was demonstrated. In subgroup analyzes, significant association was observed in atopic asthma risk in the recessive model (OR = 1.43, 95% CI = 1.01-2.01, P = 0.043), but no significant association was found between TBXA2R +924C/T polymorphism and asthma risk in Asians (OR = 1.14, 95% CI = 0.80-1.63, P = 0.457). TBXA2R +795C/T polymorphism was associated with aspirin-intolerant asthma (AIA) risk when stratified by asthma subphenotype in the allelic model (OR = 1.30, 95% CI = 1.05-1.60, P = 0.014) and dominant model (OR = 1.50, 95% CI = 1.11-2.03, P = 0.008). CONCLUSION Our results suggested that TBXA2R +924C/T polymorphism is associated with asthma risk, and +795C/T polymorphism may be a risk factor for AIA. Larger-scale and well-designed studies are required to validate the association identified in the current meta-analysis.
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Affiliation(s)
- Yilin Pan
- a Department of Respiratory Medicine , The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi , China
| | - Shaojun Li
- a Department of Respiratory Medicine , The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi , China
| | - Xinming Xie
- a Department of Respiratory Medicine , The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi , China
| | - Manxiang Li
- a Department of Respiratory Medicine , The First Affiliated Hospital of Xi'an Jiaotong University , Xi'an, Shaanxi , China
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Pham DL, Kim JH, Trinh THK, Park HS. What we know about nonsteroidal anti-inflammatory drug hypersensitivity. Korean J Intern Med 2016; 31:417-32. [PMID: 27030979 PMCID: PMC4855107 DOI: 10.3904/kjim.2016.085] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 03/05/2016] [Indexed: 02/07/2023] Open
Abstract
Nonsteroidal anti-inf lammatory drugs (NSAIDs) are widely prescribed for the treatment of inflammatory diseases, but their use is frequently related to hypersensitivity reactions. This review outlines our current knowledge of NSAID hypersensitivity (NHS) with regard to its pathogenic, molecular, and genetic mechanisms, as well as diagnosis and treatment. The presentation of NHS varies from a local (skin and/or airways) reaction to systemic reactions, including anaphylaxis. At the molecular level, NHS reactions can be classified as cross-reactive (mediated by cyclooxygenase inhibition) or selective (specific activation of immunoglobulin E antibodies or T cells). Genetic polymorphisms and epigenetic factors have been shown to be closely associated with NHS, and may be useful as predictive markers. To diagnose NHS, inhalation or oral challenge tests are applied, with the exclusion of any cross-reactive NSAIDs. For patients diagnosed with NHS, absolute avoidance of NSAIDs/aspirin is essential, and pharmacological treatment, including biologics, is often used to control their respiratory and cutaneous symptoms. Finally, desensitization is recommended only for selected patients with NHS. However, further research is required to develop new diagnostic methods and more effective treatments against NHS.
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Affiliation(s)
- Duy Le Pham
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
- Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon, Korea
| | - Ji-Hye Kim
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Tu Hoang Kim Trinh
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
| | - Hae-Sim Park
- Department of Allergy and Clinical Immunology, Ajou University School of Medicine, Suwon, Korea
- Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon, Korea
- Correspondence to Hae-Sim Park, M.D. Department of Allergy and Clinical Immunology, Ajou University Hospital, 164 World cup-ro, Yeongtong-gu, Suwon 16499, Korea Tel: +82-31-219-5150 Fax: +82-31-219-5154 E-mail:
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12
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Buchheit KM, Laidlaw TM. Update on the Management of Aspirin-Exacerbated Respiratory Disease. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2016; 8:298-304. [PMID: 27126722 PMCID: PMC4853506 DOI: 10.4168/aair.2016.8.4.298] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 07/24/2015] [Indexed: 11/20/2022]
Abstract
Aspirin-exacerbated respiratory disease (AERD) is an adult-onset upper and lower airway disease consisting of eosinophilic nasal polyps, asthma, and respiratory reactions to cyclooxygenase 1 (COX-1) inhibitors. Management includes guideline-based treatment of asthma and sinus disease, avoidance of COX-1 inhibitors, and for some patients aspirin desensitization followed by high-dose aspirin therapy. Despite this, many patients have inadequately controlled symptoms and require multiple sinus surgeries. In this review, we discuss the current standard approaches to the management of AERD, and we introduce several therapeutics under development that may hold promise for the treatment of AERD.
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Affiliation(s)
- Kathleen M Buchheit
- Department of Medicine, Harvard Medical School, Boston, MA, USA.,Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital, Boston, MA, USA.
| | - Tanya M Laidlaw
- Department of Medicine, Harvard Medical School, Boston, MA, USA.,Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital, Boston, MA, USA
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Ayuso P, Plaza-Serón MDC, Blanca-López N, Doña I, Campo P, Canto G, Laguna JJ, Bartra J, Soriano-Gomis V, Blanca M, Cornejo-García JA, Perkins JR. Genetic variants in arachidonic acid pathway genes associated with NSAID-exacerbated respiratory disease. Pharmacogenomics 2015; 16:825-39. [PMID: 26067486 DOI: 10.2217/pgs.15.43] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
AIM NSAIDs are the most frequent cause of hypersensitivity drug reactions. We have examined the association between NSAID-exacerbated respiratory disease (NERD) and genetic variants in arachidonic acid metabolism genes. PATIENTS & METHODS We included 250 NERD patients, 260 NSAID-tolerant asthmatic (NTA) subjects and 315 healthy controls. RESULTS Significant associations with NERD were identified for: ALOX15 rs3892408 C/C homozygous genotype (NERD vs NTA; p = 0.0001, pc = 0.0011; NERD vs controls; p = 0.0001, pc = 0.0011), PTGS-1 rs5789 A/A homozygous genotype (NERD vs NTA; p = 0.0001, pc = 0.0011; NERD vs controls; p = 0.0001, pc = 0.0011), PTGS-1 rs10306135 A/A homozygous genotype (NERD vs NTA; p = 0.0009, pc = 0.0091; NERD vs controls; p = 0.0064, pc = 0.045). Differences in ALOX5 copy number variations were also found (NERD vs NTA; p = 0.010; NERD vs controls; p = 0.0001). CONCLUSION These results improve our understanding of the underlying mechanisms of NERD and may help develop a predictive test for this pathology. Original submitted 3 November 2014; Revision submitted 2 April 2015.
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Affiliation(s)
- Pedro Ayuso
- Research Laboratory, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain.,Allergy Service, Infanta Leonor Hospital, Madrid, Spain
| | - María Del Carmen Plaza-Serón
- Research Laboratory, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain.,Allergy Service, Infanta Leonor Hospital, Madrid, Spain
| | | | - Inmaculada Doña
- Allergy Unit, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
| | - Paloma Campo
- Allergy Unit, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
| | | | | | - Joan Bartra
- Allergy Unit, Pneumology & Allergy Department, Hospital Clinic, Barcelona, Spain
| | | | - Miguel Blanca
- Allergy Unit, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
| | - José A Cornejo-García
- Research Laboratory, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain.,Allergy Unit, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
| | - James R Perkins
- Research Laboratory, IBIMA, Regional University Hospital of Malaga, UMA, Malaga, Spain
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Kim JH, Choi GS, Kim JE, Jin HJ, Ye YM, Kim SH, Park HS. Clinical course of patients with aspirin-exacerbated respiratory disease: can we predict the prognosis? Pharmacogenomics 2015; 15:449-57. [PMID: 24624912 DOI: 10.2217/pgs.14.2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
AIM This study aimed to identify prognostic factors of aspirin-exacerbated respiratory disease by comparing clinical and genetic data with the clinical course. PATIENTS & METHODS Patients were classified into two groups according to their response to inhalation rechallenge with lysine-aspirin after at least 1 year of regular treatment with antiasthmatic medications. RESULTS Forty eight patients (39.3%, group I) had negative responses, whereas 74 patients (60.7%, group II) had positive responses (n = 23) or were not rechallenged owing to persistent symptoms (n = 51). FEV₁ at diagnosis and follow-up were significantly lower in group II than in group I. The CCR3 polymorphism at -520T/G differed significantly between the two groups, whereas no difference was found in other SNPs. CONCLUSION Baseline FEV₁ and lower lung function after treatment were clinical factors indicating a poor prognosis of aspirin-exacerbated respiratory disease. The G allele of CCR3 -520T>G was associated with persistent bronchial hypersensitivity to aspirin.
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Affiliation(s)
- Joo-Hee Kim
- Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, 896 Pyeongan-dong, Dongan-gu, Anyang, Gyeonggi, 431-796, Republic of Korea
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Kurosawa M, Yukawa T, Hozawa S, Mochizuki H. Recent advance in investigation of gene polymorphisms in Japanese patients with aspirin-exacerbated respiratory disease. Allergol Immunopathol (Madr) 2015; 43:92-100. [PMID: 25224359 DOI: 10.1016/j.aller.2014.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Revised: 05/05/2014] [Accepted: 06/02/2014] [Indexed: 11/26/2022]
Abstract
Aspirin-exacerbated respiratory disease (AERD) is a complex clinical syndrome characterised by severe asthmatic attack upon treatment with aspirin and/or non-steroidal anti-inflammatory drugs (NSAIDs). Genetic predisposition has been considered as a crucial determinant and candidate genes have concentrated especially on cysteinyl leukotrienes (LTs)-related genes as the inhibitory action of aspirin and NSAIDs on cyclooxygenase activity may cause overproduction of cysteinyl LTs. However, conflicting results have been reported, in parallel with replication studies in different ethnic groups. Thus, future areas of investigations need to focus on comprehensive approaches towards the discovery of other genetic biomarkers. Unfortunately, few papers have been reported about gene polymorphisms in Japanese patients with AERD. Here, we described on our recent genetic investigations on B2ADR, IL-13, IL-17A, CYP2C19, TBXA2R, CRTH2 and HSP70. This review indicates potential genetic biomarkers contributing to the early diagnosis of AERD, which may include CYP2C19 and HSP70 gene polymorphisms, and future validation studies in independent population are required to provide reassurance about our findings.
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Hernandez JM, Janssen LJ. Revisiting the usefulness of thromboxane-A2 modulation in the treatment of bronchoconstriction in asthma. Can J Physiol Pharmacol 2014; 93:111-7. [PMID: 25581104 DOI: 10.1139/cjpp-2014-0364] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Airway smooth muscle (ASM) is the effector cell in the bronchoconstrictory pathway. It is believed that the bronchoconstriction present in asthma is associated with changes in the airway milieu that affect ASM excitation-contraction coupling and Ca(2+)-handling. Asthmatics also react differently to ventilatory mechanical strain. Deep inspiration (DI), which produces bronchodilation in healthy individuals, is less effective in asthmatics, and even enhances bronchoconstriction in moderate to severely affected patients. Our laboratory has previously studied the mechanotransductory pathway of airway stretch-activated contractions (Rstretch) leading to DI-induced bronchoconstriction. We demonstrated the ability of agonists acting through thromboxane A2 (TxA2) receptors to amplify airway Rstretch responses. Despite the involvement of excitatory prostanoids in bronchoconstriction, clinical trials on treatments targeting TxA2-synthase inhibition and TP-receptor antagonism have produced mixed results. Studies in Western populations produced mostly negative results, whereas studies performed in Asian populations showed mostly positive outcomes. In this review, we discuss the role of TxA2-synthase inhibition and TP-receptor antagonism in the treatment of asthmatics. We present information regarding variations in study designs and the possible role of TP-receptor gene polymorphisms in previous study outcome discrepancies. Perhaps future studies should focus on asthmatic patients with DI-induced bronchoconstriction in particular, planting the seed for the individualized treatments for asthmatics.
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Affiliation(s)
- Jeremy Mark Hernandez
- Firestone Institute for Respiratory Health, Father Sean O'Sullivan Research Centre, and Department of Medicine, McMaster University, St. Joseph's Hospital, 50 Charlton Avenue East, Hamilton, ON L8N 4A6, Canada
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Shin SW, Park BL, Chang H, Park JS, Bae DJ, Song HJ, Choi IS, Kim MK, Park HS, Kim LH, Namgoong S, Kim JO, Shin HD, Park CS. Exonic variants associated with development of aspirin exacerbated respiratory diseases. PLoS One 2014; 9:e111887. [PMID: 25372592 PMCID: PMC4221198 DOI: 10.1371/journal.pone.0111887] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Accepted: 09/29/2014] [Indexed: 12/11/2022] Open
Abstract
Aspirin-exacerbated respiratory disease (AERD) is one phenotype of asthma, often occurring in the form of a severe and sudden attack. Due to the time-consuming nature and difficulty of oral aspirin challenge (OAC) for AERD diagnosis, non-invasive biomarkers have been sought. The aim of this study was to identify AERD-associated exonic SNPs and examine the diagnostic potential of a combination of these candidate SNPs to predict AERD. DNA from 165 AERD patients, 397 subjects with aspirin-tolerant asthma (ATA), and 398 normal controls were subjected to an Exome BeadChip assay containing 240K SNPs. 1,023 models (210-1) were generated from combinations of the top 10 SNPs, selected by the p-values in association with AERD. The area under the curve (AUC) of the receiver operating characteristic (ROC) curves was calculated for each model. SNP Function Portal and PolyPhen-2 were used to validate the functional significance of candidate SNPs. An exonic SNP, exm537513 in HLA-DPB1, showed the lowest p-value (p = 3.40×10−8) in its association with AERD risk. From the top 10 SNPs, a combination model of 7 SNPs (exm537513, exm83523, exm1884673, exm538564, exm2264237, exm396794, and exm791954) showed the best AUC of 0.75 (asymptotic p-value of 7.94×10−21), with 34% sensitivity and 93% specificity to discriminate AERD from ATA. Amino acid changes due to exm83523 in CHIA were predicted to be “probably damaging” to the structure and function of the protein, with a high score of ‘1’. A combination model of seven SNPs may provide a useful, non-invasive genetic marker combination for predicting AERD.
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Affiliation(s)
- Seung-Woo Shin
- Genome Research Center for Allergy and Respiratory Diseases, Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Byung Lae Park
- Department of Genetic Epidemiology, SNP Genetics Inc., Seoul, Republic of Korea
| | - HunSoo Chang
- Genome Research Center for Allergy and Respiratory Diseases, Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
- Department of Interdisciplinary Program in Biomedical Science Major Graduate School of Soonchunhyang University, Asan, Republic of Korea
| | - Jong Sook Park
- Genome Research Center for Allergy and Respiratory Diseases, Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Da-Jeong Bae
- Department of Interdisciplinary Program in Biomedical Science Major Graduate School of Soonchunhyang University, Asan, Republic of Korea
| | - Hyun-Ji Song
- Department of Interdisciplinary Program in Biomedical Science Major Graduate School of Soonchunhyang University, Asan, Republic of Korea
| | - Inseon S. Choi
- Department of Allergy, Chonnam National University Medical School and Research Institute of Medical Sciences, Gwangju, Republic of Korea
| | - Mi-Kyeong Kim
- Division of Allergy, Department of Internal Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Hea-Sim Park
- Department of Allergy & Clinical Immunology, Ajou University Hospital, Suwoon, Republic of Korea
| | - Lyoung Hyo Kim
- Department of Genetic Epidemiology, SNP Genetics Inc., Seoul, Republic of Korea
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Suhg Namgoong
- Department of Genetic Epidemiology, SNP Genetics Inc., Seoul, Republic of Korea
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Ji On Kim
- Department of Genetic Epidemiology, SNP Genetics Inc., Seoul, Republic of Korea
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Hyoung Doo Shin
- Department of Genetic Epidemiology, SNP Genetics Inc., Seoul, Republic of Korea
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Choon-Sik Park
- Genome Research Center for Allergy and Respiratory Diseases, Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
- * E-mail: , (SWS)
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Hypersensitivity Reactions to Nonsteroidal Anti-Inflammatory Drugs. Immunol Allergy Clin North Am 2014; 34:507-24, vii-viii. [DOI: 10.1016/j.iac.2014.04.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Thompson MD, Cole DEC, Capra V, Siminovitch KA, Rovati GE, Burnham WM, Rana BK. Pharmacogenetics of the G protein-coupled receptors. Methods Mol Biol 2014; 1175:189-242. [PMID: 25150871 DOI: 10.1007/978-1-4939-0956-8_9] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Pharmacogenetics investigates the influence of genetic variants on physiological phenotypes related to drug response and disease, while pharmacogenomics takes a genome-wide approach to advancing this knowledge. Both play an important role in identifying responders and nonresponders to medication, avoiding adverse drug reactions, and optimizing drug dose for the individual. G protein-coupled receptors (GPCRs) are the primary target of therapeutic drugs and have been the focus of these studies. With the advance of genomic technologies, there has been a substantial increase in the inventory of naturally occurring rare and common GPCR variants. These variants include single-nucleotide polymorphisms and insertion or deletions that have potential to alter GPCR expression of function. In vivo and in vitro studies have determined functional roles for many GPCR variants, but genetic association studies that define the physiological impact of the majority of these common variants are still limited. Despite the breadth of pharmacogenetic data available, GPCR variants have not been included in drug labeling and are only occasionally considered in optimizing clinical use of GPCR-targeted agents. In this chapter, pharmacogenetic and genomic studies on GPCR variants are reviewed with respect to a subset of GPCR systems, including the adrenergic, calcium sensing, cysteinyl leukotriene, cannabinoid CB1 and CB2 receptors, and the de-orphanized receptors such as GPR55. The nature of the disruption to receptor function is discussed with respect to regulation of gene expression, expression on the cell surface (affected by receptor trafficking, dimerization, desensitization/downregulation), or perturbation of receptor function (altered ligand binding, G protein coupling, constitutive activity). The large body of experimental data generated on structure and function relationships and receptor-ligand interactions are being harnessed for the in silico functional prediction of naturally occurring GPCR variants. We provide information on online resources dedicated to GPCRs and present applications of publically available computational tools for pharmacogenetic studies of GPCRs. As the breadth of GPCR pharmacogenomic data becomes clearer, the opportunity for routine assessment of GPCR variants to predict disease risk, drug response, and potential adverse drug effects will become possible.
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Affiliation(s)
- Miles D Thompson
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, ON, Canada, M5S 1A8,
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20
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Takeuchi K, Mashimo Y, Shimojo N, Arima T, Inoue Y, Morita Y, Sato K, Suzuki S, Nishimuta T, Watanabe H, Hoshioka A, Tomiita M, Yamaide A, Watanabe M, Okamoto Y, Kohno Y, Hata A, Suzuki Y. Functional variants in the thromboxane A2 receptor gene are associated with lung function in childhood-onset asthma. Clin Exp Allergy 2013; 43:413-24. [PMID: 23517037 DOI: 10.1111/cea.12058] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 09/24/2012] [Accepted: 10/25/2012] [Indexed: 12/14/2022]
Abstract
BACKGROUND The thromboxane A2 receptor (TBXA2R) gene is associated with asthma, but no functional genetic variations are known to associate with the disease or its related phenotypes. OBJECTIVE To investigate the association of TBXA2R polymorphisms with asthma susceptibility and related phenotypes and to identify functionally relevant polymorphisms. METHODS We performed comprehensive sequencing of the TBXA2R gene in 48 Japanese control subjects and found a set of variants (SNP1 G>T rs2238634, SNP2 T>G rs2238633, SNP3 C>T rs2238632 and SNP4 G>A rs2238631) in intron 1 in linkage disequilibrium with c.795 T>C rs1131882, which was previously reported to be associated with asthma and related phenotypes. To investigate the effect of four common haplotypes (H1, H2, H3 and H4) on transcriptional activity, we performed a luciferase assay in primary bronchial smooth muscle cells (BSMCs) and human airway epithelial cells (BEAS-2B). We also studied the haplotype association with lung function, TBXA2R mRNA levels, and eosinophil fraction/count in peripheral blood in childhood-onset asthma patients and/or controls. RESULTS H2 and H4, containing minor alleles of SNP2 and SNP3, had significantly higher transcriptional activities than H1 consisting of major alleles (P < 0.001 in BSMCs and BEAS-2B). Homozygotes for redefined haplotype h2 corresponding to minor alleles of SNP2 and SNP3 were associated with lower lung function in childhood-onset asthma patients compared to other zygotes (baseline Forced expiratory volume in one second (FEV1)/ Forced vital capacity (FVC) and Forced expiratory flow between 25% and 75% of the FVC (%FEF(25-75%)): P = 0.00201 and 0.0128, respectively, and post-bronchodilator FEV1/FVC and %FEF(25-75%): P = 0.00224 and 0.0393 respectively). Haplotype h2 was also associated with higher mRNA levels in control peripheral blood cells and higher blood eosinophil fractions and counts in female controls. CONCLUSIONS AND CLINICAL RELEVANCE Genetic variants were identified in the TBXA2R gene that influenced transcriptional activity and were associated with asthma-related phenotypes. Thromboxane pathways may therefore play important roles in airway inflammation and remodelling in asthma patients.
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Affiliation(s)
- K Takeuchi
- Department of Public Health, Graduate School of Medicine, Chiba University, Chiba, Japan
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Elevation of Eosinophil-Derived Neurotoxin in Plasma of the Subjects with Aspirin-Exacerbated Respiratory Disease: A Possible Peripheral Blood Protein Biomarker. PLoS One 2013; 8:e66644. [PMID: 23805255 PMCID: PMC3689668 DOI: 10.1371/journal.pone.0066644] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Accepted: 05/08/2013] [Indexed: 11/19/2022] Open
Abstract
Aspirin-exacerbated respiratory disease (AERD) remains widely underdiagnosed in asthmatics, primarily due to insufficient awareness of the relationship between aspirin ingestion and asthma exacerbation. The identification of aspirin hypersensitivity is therefore essential to avoid serious aspirin complications. The goal of the study was to develop plasma biomarkers to predict AERD. We identified differentially expressed genes in peripheral blood mononuclear cells (PBMC) between subjects with AERD and those with aspirin-tolerant asthma (ATA). The genes were matched with the secreted protein database (http://spd.cbi.pku.edu.cn/) to select candidate proteins in the plasma. Plasma levels of the candidate proteins were then measured in AERD (n = 40) and ATA (n = 40) subjects using an enzyme-linked immunosorbent assay (ELISA). Target genes were validated as AERD biomarkers using an ROC curve analysis. From 175 differentially expressed genes (p-value <0.0001) that were queried to the secreted protein database, 11 secreted proteins were retrieved. The gene expression patterns were predicted as elevated for 7 genes and decreased for 4 genes in AERD as compared with ATA subjects. Among these genes, significantly higher levels of plasma eosinophil-derived neurotoxin (RNASE2) were observed in AERD as compared with ATA subjects (70(14.62∼311.92) µg/ml vs. 12(2.55∼272.84) µg/ml, p-value <0.0003). Based on the ROC curve analysis, the AUC was 0.74 (p-value = 0.0001, asymptotic 95% confidence interval [lower bound: 0.62, upper bound: 0.83]) with 95% sensitivity, 60% specificity, and a cut-off value of 27.15 µg/ml. Eosinophil-derived neurotoxin represents a novel biomarker to distinguish AERD from ATA.
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Park SM, Park JS, Park HS, Park CS. Unraveling the genetic basis of aspirin hypersensitivity in asthma beyond arachidonate pathways. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2013; 5:258-76. [PMID: 24003382 PMCID: PMC3756172 DOI: 10.4168/aair.2013.5.5.258] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Accepted: 11/06/2012] [Indexed: 12/20/2022]
Abstract
Although aspirin-exacerbated respiratory disease (AERD) has attracted a great deal of attention because of its association with severe asthma, it remains widely under-diagnosed in the asthmatic population. Oral aspirin challenge is the best method of diagnosing AERD, but this is a time-consuming procedure with serious complications in some cases. Thus, development of non-invasive methods for easy diagnosis is necessary to prevent unexpected complications of aspirin use in susceptible patients. For the past decade, many studies have attempted to elucidate the genetic variants responsible for risk of AERD. Several approaches have been applied in these genetic studies. To date, a limited number of biologically plausible candidate genes in the arachidonate and immune and inflammatory pathways have been studied. Recently, a genome-wide association study was performed. In this review, the results of these studies are summarized, and their limitations discussed. In addition to the genetic variants, changes in methylation patterns on CpG sites have recently been identified in a target tissue of aspirin hypersensitivity. Finally, perspectives on application of new genomic technologies are introduced; these will aid our understanding of the genetic pathogenesis of aspirin hypersensitivity in asthma.
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Affiliation(s)
- Se-Min Park
- Genome Research Center for Allergy and Respiratory Disease, Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Korea
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23
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Laidlaw TM, Boyce JA. Cysteinyl leukotriene receptors, old and new; implications for asthma. Clin Exp Allergy 2013; 42:1313-20. [PMID: 22925317 DOI: 10.1111/j.1365-2222.2012.03982.x] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cysteinyl leukotrienes (cys-LTs) are three structurally similar, but functionally distinct lipid mediators of inflammation. The parent cys-LT, LTC(4) , is synthesized by and released from mast cells, eosinophils, basophils, and macrophages, and is converted to the potent constrictor LTD(4) and the stable metabolite, LTE(4) . While only two cys-LT-selective receptors (CysLTRs) have been identified, cloned, and characterized, studies dating back three decades predicted the existence of at least three functional CysLTRs, each with a characteristic physiological function in airways and other tissues. The recent demonstration that mice lacking both known CysLTRs exhibit full (and in some instances, augmented) physiological responses to cys-LTs verifies the existence of unidentified CysLTRs. Moreover, the ability to manipulate receptor expression in both whole animal and cellular systems reveals that the functions of CysLTRs are controlled at multiple levels, including receptor-receptor interactions. Finally, studies in transgenic mice have uncovered a potentially major role for cys-LTs in controlling the induction of Th(2) responses to common allergens. This review focuses on these recent findings and their potential clinical implications.
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Affiliation(s)
- T M Laidlaw
- Departments of Medicine and Paediatrics, Harvard Medical School, Boston, MA, 02115, USA
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Laidlaw TM, Boyce JA. Pathogenesis of aspirin-exacerbated respiratory disease and reactions. Immunol Allergy Clin North Am 2012; 33:195-210. [PMID: 23639708 DOI: 10.1016/j.iac.2012.11.006] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Physiologic and pharmacologic studies support the hypothesis that aspirin-exacerbated respiratory disease (AERD) involves fundamental dysregulation in the production of and end-organ responsiveness to both antiinflammatory eicosanoids (prostaglandin E2) and proinflammatory effectors (cysteinyl leukotrienes). The acquired nature of AERD implies a disturbance in a potential epigenetic control mechanism of the relevant mediator systems, which may be a result of incompletely clarified environmental factors (eg, viral or bacterial infections, inhaled pollutants).
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Affiliation(s)
- Tanya M Laidlaw
- Brigham and Women's Hospital, Department of Medicine, Division of Rheumatology, Immunology and Allergy, Jeff and Penny Vinik Center for Allergic Disease Research, Boston, MA 02115, USA
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Narayanankutty A, Reséndiz-Hernández JM, Falfán-Valencia R, Teran LM. Biochemical pathogenesis of aspirin exacerbated respiratory disease (AERD). Clin Biochem 2012; 46:566-78. [PMID: 23246457 DOI: 10.1016/j.clinbiochem.2012.12.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 11/14/2012] [Accepted: 12/04/2012] [Indexed: 12/30/2022]
Abstract
Aspirin exacerbated respiratory disease (AERD) is a distinct clinical entity characterized by eosinophilic rhinosinusitis, asthma and often nasal polyposis. Exposure to aspirin or other nonsteroid anti-inflammatory drugs (NSAIDs) exacerbates bronchospasms with asthma and rhinitis. Disease progression suggests a skewing towards TH2 type cellular response along with moderate to severe eosinophil and mast cell infiltration. Alterations in upper and lower airway cellular milieu with abnormalities in eicosanoid metabolism and altered eicosanoid receptor expression are the key features underlying AERD pathogenesis. Dysregulation of arachidonic acid (AA) metabolism, notably reduced prostaglandin E2 (PGE2) synthesis compared to their aspirin tolerant counterpart and relatively increased PGD2 production, a TH2/eosinophil chemoattractant are reported in AERD. Underproduced PGE2 is metabolized by overexpression of 15 prostaglandin dehydrogenase (15-PGDH) to inactive products further reducing PGE2 at real time. This relives the inhibitory effect of PGE2 on 5-lipoxygenase (5-LOX) resulting in overproduction of cysteinyl leukotrienes (CysLTs). Diminished formation of CysLT antagonists called lipoxins (LXs) also augments CysLTs responsiveness. Occasional intake of NSAIDs favors even more 5-LOX product formation, further narrowing the bronchoconstrictive bottle neck, resulting in acute asthmatic exacerbations along with increased mucus production. This review focuses on abnormalities in biochemical and molecular mechanisms in eicosanoid biosynthesis, eicosanoid receptor dysregulation and associated polymorphisms with special reference to arachidonic acid metabolism in AERD.
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Affiliation(s)
- Arun Narayanankutty
- Department of Immunoallergy and Asthma, Instituto Nacional de Enfermedades Respiratorias Ismael Cosio Villegas, Calzada de Tlalpan 4502, Col. Sección XVI, Delegación Tlalpan, C.P. 14080, Mexico.
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Association of single nucleotide polymorphisms on Interleukin 17 receptor A (IL17RA) gene with aspirin hypersensitivity in asthmatics. Hum Immunol 2012; 74:598-606. [PMID: 23220496 DOI: 10.1016/j.humimm.2012.11.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 10/25/2012] [Accepted: 11/15/2012] [Indexed: 12/30/2022]
Abstract
AIM To investigate the association of single nucleotide polymorphisms (SNP) on IL17RA gene with Aspirin Exacerbated Respiratory Disease (AERD) and the functional effect of these variants on expression of IL17RA gene products. MATERIAL & METHODS 15 SNPs of IL17RA gene were analyzed in 825 normal controls and 143 subjects with AERD and 411 with aspirin-tolerant asthma (ATA) and functionally characterized using measurement of protein and m-RNA expression. RESULT Minor alleles frequencies of the three SNPs (-1075 A>G, -947 A>G, -50 C>T) and one haplotype (BL1_ht1) were significantly lower in AERD compared to those in ATA (p(corr)=0.002-0.03). IL17RA protein expression and mRNA amount in CD14(+) peripheral blood monocytes and mononuclear cells were significantly increased in subjects carrying the common alleles homozygote compared with those carrying the minor alleles. CONCLUSIONS The minor alleles of the three SNPs may decrease the risk of AERD via attenuation of IL17RA gene expression.
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Park BL, Kim TH, Kim JH, Bae JS, Pasaje CFA, Cheong HS, Kim LH, Park JS, Lee HS, Kim MS, Choi IS, Choi BW, Kim MK, Shin S, Shin HD, Park CS. Genome-wide association study of aspirin-exacerbated respiratory disease in a Korean population. Hum Genet 2012. [PMID: 23180272 DOI: 10.1007/s00439-012-1247-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Aspirin-exacerbated respiratory disease (AERD) is a nonallergic clinical syndrome characterized by a severe decline in forced expiratory volume in one second (FEV1) following the ingestion of non-steroidal anti-inflammatory drugs (NSAIDs) such as aspirin. The effects of genetic variants have not fully explained all of the observed individual differences to an aspirin challenge despite previous attempts to identify AERD-related genes. In the present study, we performed genome-wide association study (GWAS) and targeted association study in Korean asthmatics to identify new genetic factors associated with AERD. A total of 685 asthmatic patients without AERD and 117 subjects with AERD were used for the GWAS of the first stage, and 996 asthmatics without AERD and 142 subjects with AERD were used for a follow-up study. A total of 702 SNPs were genotyped using the GoldenGate assay with the VeraCode microbead. GWAS revealed the top-ranked variants in 3' regions of the HLA-DPB1 gene. To investigate the detailed genetic effects of an associated region with the risk of AERD, a follow-up targeted association study with the 702 single nucleotide polymorphisms (SNPs) of 14 genes was performed on 802 Korean subjects. In a case-control analysis, HLA-DPB1 rs1042151 (Met105Val) shows the most significant association with the susceptibility of AERD (p = 5.11 × 10(-7); OR = 2.40). Moreover, rs1042151 also shows a gene dose for the percent decline of FEV1 after an aspirin challenge (p = 2.82 × 10(-7)). Our findings show that the HLA-DPB1 gene polymorphism may be the most susceptible genetic factor for the risk of AERD in Korean asthmatics and confirm the importance of HLA-DPB1 in the genetic etiology of AERD.
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Affiliation(s)
- Byung Lae Park
- Department of Genetic Epidemiology, SNP Genetics, Inc, Seoul, Republic of Korea
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Genetics of hypersensitivity to aspirin and nonsteroidal anti-inflammatory drugs. Immunol Allergy Clin North Am 2012; 33:177-94. [PMID: 23639707 DOI: 10.1016/j.iac.2012.10.003] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Various hypersensitivity reactions have been reported with aspirin and nonsteroidal anti-inflammatory drugs. Hypersensitivity can occur regardless of a chemical drug structure or its therapeutic potency. Allergic conditions include aspirin-exacerbated respiratory disease (AERD or aspirin-induced asthma), aspirin-induced urticaria/angioedema (AIU), and anaphylaxis. Several genetic studies on aspirin hypersensitivity have been performed to discover the genetic predisposition to aspirin hypersensitivity and to gain insight into the phenotypic diversity. This article updates data on the genetic mechanisms that govern AERD and AIU and summarizes recent findings on the molecular genetic mechanism of aspirin hypersensitivity.
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Shin SW, Park J, Kim YJ, Uh ST, Choi BW, Kim MK, Choi IS, Park BL, Shin H, Park CS. A highly sensitive and specific genetic marker to diagnose aspirin-exacerbated respiratory disease using a genome-wide association study. DNA Cell Biol 2012; 31:1604-9. [PMID: 22994212 DOI: 10.1089/dna.2012.1688] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The aim of the present study was to develop a diagnostic set of single-nucleotide polymorphisms (SNPs) for discriminating aspirin-exacerbated respiratory disease (AERD) from aspirin-tolerant asthma (ATA) using the genome-wide association study (GWAS) data; the GWAS data were filtered according to p-values and odds ratios (ORs) using PLINK software, and the 10 candidate SNPs most closely associated with AERD were selected, based on 100 AERD and 100 ATA subjects. Using multiple logistic regression and receiver-operating characteristic (ROC) curve analysis, eight SNPs were chosen as the best model for distinguishing between AERD and ATA. The relative risk for AERD in each subject was calculated based on the relative risk of each of the eight SNPs. Ten of the original 109,365 SNPs highly associated (filtered with p<0.001 and ORs) with the risk for AERD were selected. A combination model of the eight SNPs among the 10 SNPs showed the highest area under the ROC curve of 0.9. The overall relative risk for AERD based on the eight SNPs was significantly different between the AERD and ATA groups (p=2.802E-21), and the sensitivity and specificity were 78% and 88%, respectively. The candidate set of eight SNPs may be useful in predicting the risk for AERD.
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Affiliation(s)
- Seung-Woo Shin
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
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Association analysis of formyl peptide receptor 2 (FPR2) polymorphisms and aspirin exacerbated respiratory diseases. J Hum Genet 2012; 57:247-53. [PMID: 22377711 DOI: 10.1038/jhg.2012.12] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Aspirin-exacerbated respiratory diseases (AERD) are associated with the metabolism of arachidonic acid. FPR2 (formyl peptide receptor2) is a high-affinity ligand receptor for potent anti-inflammatory lipid metabolites: lipoxins. Thus, functional alterations of the FPR2 may contribute to AERD. We investigated the relationship between single-nucleotide polymorphisms (SNPs) in the FPR2 and AERD. Asthmatics were categorized into AERD <15% decreases in forced expiratory volume in one second (FEV(1)), and/or naso-ocular reactions after oral aspirin challenge (n=170) and aspirin-tolerant asthma (ATA, n=268). In all, 11 SNPs were genotyped. FPR2 protein expressions on CD14-positive monocytes in peripheral blood were measured using flow cytometric analysis. We performed RT-PCR of the FPR2 mRNA expressed by peripheral blood mononuclear cells. Logistic regression analysis showed that the minor allele frequency of FPR2 -4209T>G (rs1769490) in intron 2 was significantly lower in the AERD group (n=170) than in the ATA group (n=268) (P=0.006, P(corr)=0.04, recessive model). The decline of FEV(1) after aspirin challenge was significantly lower in the subjects with GG homozygotes of FPR2 -4209T>G than those with the other genotypes (P=0.0002). Asthmatic homozygotes for FPR2 -4209T>G minor allele exhibited significantly higher FPR2 protein expression in CD14-positive monocytes than did those with the common allele of FPR2 -4209T>G allele (P=0.01). There was no difference in the expression of the wild form and the exon 2 deleted variant form of FPR2 gene according to the genotypes of FPR2 -4209T>G. The minor allele at FPR2 -4209T>G may have a protective role against the development of AERD, via increase of FPR2 protein expression in inflammatory cells.
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Site-directed mutations and the polymorphic variant Ala160Thr in the human thromboxane receptor uncover a structural role for transmembrane helix 4. PLoS One 2012; 7:e29996. [PMID: 22272267 PMCID: PMC3260207 DOI: 10.1371/journal.pone.0029996] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 12/08/2011] [Indexed: 11/19/2022] Open
Abstract
The human thromboxane A2 receptor (TP), belongs to the prostanoid subfamily of Class A GPCRs and mediates vasoconstriction and promotes thrombosis on binding to thromboxane (TXA2). In Class A GPCRs, transmembrane (TM) helix 4 appears to be a hot spot for non-synonymous single nucleotide polymorphic (nsSNP) variants. Interestingly, A160T is a novel nsSNP variant with unknown structure and function. Additionally, within this helix in TP, Ala160(4.53) is highly conserved as is Gly164(4.57). Here we target Ala160(4.53) and Gly164(4.57) in the TP for detailed structure-function analysis. Amino acid replacements with smaller residues, A160S and G164A mutants, were tolerated, while bulkier beta-branched replacements, A160T and A160V showed a significant decrease in receptor expression (Bmax). The nsSNP variant A160T displayed significant agonist-independent activity (constitutive activity). Guided by molecular modeling, a series of compensatory mutations were made on TM3, in order to accommodate the bulkier replacements on TM4. The A160V/F115A double mutant showed a moderate increase in expression level compared to either A160V or F115A single mutants. Thermal activity assays showed decrease in receptor stability in the order, wild type>A160S>A160V>A160T>G164A, with G164A being the least stable. Our study reveals that Ala160(4.53) and Gly164(4.57) in the TP play critical structural roles in packing of TM3 and TM4 helices. Naturally occurring mutations in conjunction with site-directed replacements can serve as powerful tools in assessing the importance of regional helix-helix interactions.
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Kim JH, Park BL, Pasaje CFA, Kim Y, Bae JS, Park JS, Uh ST, Kim YH, Kim MK, Choi IS, Cho SH, Choi BW, Koh I, Park CS, Shin HD. Contribution of the OBSCN nonsynonymous variants to aspirin exacerbated respiratory disease susceptibility in Korean population. DNA Cell Biol 2012; 31:1001-9. [PMID: 22251166 DOI: 10.1089/dna.2011.1436] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Airway remodeling and exacerbated airway narrowing in asthma have been attributed to the regulation of intracellular Ca(2+) by sarcoplasmic reticulum (SR) of the airway smooth muscle cells. The protein encoded by obscurin, cytoskeletal calmodulin and titin-interacting RhoGEF (OBSCN) is a crucial factor in determining the SR architecture in Obscn(-/-) mice. This study genotyped a total of 55 common single-nucleotide polymorphisms (SNPs) in 592 Korean asthmatics including 163 aspirin exacerbated respiratory disease (AERD) cases and 429 aspirin-tolerant asthma (ATA) controls. Eight SNPs, including two nonsynonymous polymorphisms rs1188722C>T (Leu2116Phe) and rs1188729G>C (Cys4642Ser), and one haplotype BL2_ht1 showed statistically significant associations with AERD development (p=0.003-0.03). Two variants, rs1188722C>T (Leu2116Phe) and rs369252C>A, also revealed nominal association with FEV1 decline by aspirin provocation in asthmatics (p=0.03-0.04). Intriguingly, rs1188722C>T (Leu2116Phe) is a highly conserved amino acid residue among species, suggesting its functional relevance to AERD. In addition, the A allele of rs369252C>A, which was more prevalent in AERD than in ATA, was predicted as a potential branch point (BP) site for alternative splicing (BP score=4.29). Although further functional evaluation is required, our findings suggest that OBSCN polymorphisms, in particular, highly conserved nonsynonymous Leu2116Phe variant, might contribute to aspirin hypersensitivity in asthmatics.
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Affiliation(s)
- Jeong-Hyun Kim
- Department of Life Science, Sogang University, Seoul, Republic of Korea
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Genetic mechanisms in aspirin-exacerbated respiratory disease. J Allergy (Cairo) 2011; 2012:794890. [PMID: 21837245 PMCID: PMC3151506 DOI: 10.1155/2012/794890] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Accepted: 06/14/2011] [Indexed: 12/14/2022] Open
Abstract
Aspirin-exacerbated respiratory disease (AERD) refers to the development of bronchoconstriction in asthmatics following the exposure to aspirin or other nonsteroidal anti-inflammatory drugs. The key pathogenic mechanisms associated with AERD are the overproduction of cysteinyl leukotrienes (CysLTs) and increased CysLTR1 expression in the airway mucosa and decreased lipoxin and PGE2 synthesis. Genetic studies have suggested a role for variability of genes in disease susceptibility and the response to medication. Potential genetic biomarkers contributing to the AERD phenotype include HLA-DPB1, LTC4S, ALOX5, CYSLT, PGE2, TBXA2R, TBX21, MS4A2, IL10, ACE, IL13, KIF3A, SLC22A2, CEP68, PTGER, and CRTH2 and a four-locus SNP set composed of B2ADR, CCR3, CysLTR1, and FCER1B. Future areas of investigation need to focus on comprehensive approaches to identifying biomarkers for early diagnosis.
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Kim TH, Lee JY, Park JS, Park SW, Jang AS, Lee JY, Byun JY, Uh ST, Koh ES, Chung IY, Park CS. Fatty acid binding protein 1 is related with development of aspirin-exacerbated respiratory disease. PLoS One 2011; 6:e22711. [PMID: 21829647 PMCID: PMC3150373 DOI: 10.1371/journal.pone.0022711] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Accepted: 06/28/2011] [Indexed: 01/04/2023] Open
Abstract
Background Aspirin-exacerbated respiratory disease (AERD) refers to the development of bronchoconstriction in asthmatics following the ingestion of aspirin. Although alterations in eicosanoid metabolites play a role in AERD, other immune or inflammatory mechanisms may be involved. We aimed to identify proteins that were differentially expressed in nasal polyps between patients with AERD and aspirin-tolerant asthma (ATA). Methodology/Principal Findings Two-dimensional electrophoresis was adopted for differential display proteomics. Proteins were identified by liquid chromatography-tandem mass spectrometry (LC-MS). Western blotting and immunohistochemical staining were performed to compare the amount of fatty acid-binding protein 1 (FABP1) in the nasal polyps of patients with AERD and ATA. Fifteen proteins were significantly up- (seven spots) or down-regulated in the nasal polyps of patients with AERD (n = 5) compared to those with ATA (n = 8). LC-MS revealed an increase in seven proteins expression and a decrease in eight proteins expression in patients with AERD compared to those with ATA (P = 0.003–0.045). FABP1-expression based on immunoblotting and immunohistochemical analysis was significantly higher in the nasal polyps of patients with AERD compared to that in patients with ATA. FABP1 was observed in epithelial, eosinophils, macrophages, and the smooth-muscle cells of blood vessels in the polyps. Conclusions/Significance Our results indicate that alterations in 15 proteins, including FABP1, may be related to the development of AERD.
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Affiliation(s)
- Tae-Hoon Kim
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Ji-Yeon Lee
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Jong-Sook Park
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Sung-Woo Park
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - An-Soo Jang
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Jae-Yong Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Jang-Yul Byun
- Department of Otorhinolaryngology-Head and Neck Surgery, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Soo-Taek Uh
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Hospital, 657, Hannam-Dong, Yongsan-Gu, Seoul, South Korea
| | - Eun-Suk Koh
- Department of Pathology, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
| | - Il Yup Chung
- Division of Molecular and Life Sciences, College of Science and Technology, Hanyang University, 1271 Sa-1-dong, Ansan, Gyeonggi-Do, South Korea
| | - Choon-Sik Park
- Genome Research Center for Allergy and Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174, Jung-Dong, Wonmi-Gu, Bucheon, Gyeonggi-Do, South Korea
- * E-mail:
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Oh SH, Kim YH, Park SM, Cho SH, Park JS, Jang AS, Park SW, Uh ST, Lee YM, Kim MK, Choi IS, Cho SH, Hong CS, Lee YW, Lee JY, Choi BW, Park BL, Shin HD, Park CS. Association analysis of thromboxane A synthase 1 gene polymorphisms with aspirin intolerance in asthmatic patients. Pharmacogenomics 2011; 12:351-63. [PMID: 21449675 DOI: 10.2217/pgs.10.181] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
AIM Thromboxane A synthase (TBXAS1) converts prostaglandin H to thromboxane A, a potent constrictor of smooth respiratory muscle. Thus, functional alterations of the TBXAS1 gene may contribute to aspirin-intolerant asthma (AIA). MATERIALS & METHODS We investigated the relationship between SNPs in the TBXAS1 gene and AIA. Asthmatics (n = 470) were categorized into AIA (20% or greater decreases in forced expiratory volume in 1 s [FEV(1)], or 15% to 19% decreases in FEV(1) with naso-ocular or cutaneous reactions) and aspirin-tolerant asthma (ATA). A total of 101 SNPs were genotyped. mRNA expression of the TBXAS1 gene by peripheral blood mononuclear cells and plasma thromboxane B2 (TXB2) concentrations were measured by reverse transcriptase (RT)-PCR and ELISA. RESULTS Logistic regression analysis showed that the rare allele frequency of rs6962291 in intron 9 was significantly lower in the AIA group (n = 115) than in the ATA group (n = 270) (p(corr) = 0.04). The linear regression analysis revealed a strong association of rs6962291 with the aspirin challenge-induced FEV(1) fall (p = 0.003). RT-PCR revealed an exon-12-deleted splice variant. We measured TBXAS1 mRNA levels in peripheral blood mononuclear cells. The mRNA levels of the full-length wild-type and splice variant were significantly higher in the TT homozygotes than in the AA homozygotes of rs6962291 (1.00 ± 0.18 vs 0.57 ± 0.03 and 1.00 ± 0.18 vs 0.21 ± 0.05, p = 0.047 and 0.001, respectively). The plasma TXB2 level was significantly lower in rs6962291 AA carriers than in rs6962291 TT (p = 0.016) carriers. CONCLUSION The rare allele of rs6962291 may play a protective role against aspirin hypersensitivity via a lower catalytic activity of the TBXAS1 gene, attributed to the increase of a nonfunctioning isoform of TBXAS1.
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Affiliation(s)
- Sun-Hee Oh
- Genome Research Center for Allergy & Respiratory Disease, Soonchunhyang University Bucheon Hospital, 1174 Jung-dong, Wonmi-gu, Bucheon, Gyeonggi-do, 420-767, Republic of Korea
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Murk W, Walsh K, Hsu LI, Zhao L, Bracken MB, Dewan AT. Attempted replication of 50 reported asthma risk genes identifies a SNP in RAD50 as associated with childhood atopic asthma. Hum Hered 2011; 71:97-105. [PMID: 21734400 DOI: 10.1159/000319536] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVES Asthma is a childhood disease that is strongly influenced by genetic factors. We sought to replicate an association between single nucleotide polymorphisms (SNPs) of the top-ranked candidate genes and childhood atopic asthma in Perinatal Risk of Asthma in Infants of Asthmatic Mothers (PRAM) study subjects. METHODS Using data from a systematic literature search and an exploratory genome-wide association study conducted in a subset of the PRAM cohort, we followed a strict procedure to generate a ranked list of candidate genes. SNPs in the top 50 genes were genotyped in the full PRAM cohort (n = 103 cases with doc- tor-diagnosed atopic asthma at age 6, and n = 499 controls). RESULTS The literature search identified 251 prior risk genes from 469 publications. RAD50 (rs2706347) and PTPRE (rs10830196) revealed crude associations with asthma at a Bonferroni-corrected level of significance (p < 0.0011). IL4R (rs1801275), CCL5 (rs2280788), and TBXA2R (rs4523) revealed nominal significance (p < 0.05). When adjusted for race and gender, only rs2706347 in RAD50 remained significantly associated with asthma. SNPs in frequently replicated asthma risk genes, including TNF, IL13, ADAM33, TGFB1, and MS4A2, revealed no association. CONCLUSION RAD50 may be a promising candidate asthma risk gene. Lack of evidence of highly reported polymorphisms in the present study highlights the genetic heterogeneity of asthma and emphasizes the need for robust replication of candidate genes.
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Affiliation(s)
- William Murk
- Department of Epidemiology and Public Health, Yale University School of Public Health, New Haven, Conn., USA
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Chang HS, Park JS, Jang AS, Park SW, Uh ST, Kim YH, Park CS. Diagnostic value of clinical parameters in the prediction of aspirin-exacerbated respiratory disease in asthma. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2011; 3:256-64. [PMID: 21966606 PMCID: PMC3178824 DOI: 10.4168/aair.2011.3.4.256] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Accepted: 04/04/2011] [Indexed: 12/30/2022]
Abstract
Purpose Aspirin-exacerbated respiratory disease (AERD) has attracted a great deal of attention because of its association with increased asthma severity. However, oral aspirin challenge (OAC) to diagnose AERD is a time-consuming procedure, and some patients experience serious complications. Thus, we evaluated diagnostic values of non-invasive clinical parameters to predict AERD in asthmatic patients. Methods A total of 836 Korean subjects were recruited from an asthma cohort. They underwent OAC, and clinical parameters including the history of aspirin hypersensitivity, nasal polyposis, and chronic sinusitis of aspirin-tolerant asthma (ATA) and AERD asthmatic patients were compared. Results Significant differences
(P<0.01) were found in eight parameters: age at diagnosis, body mass index, FEV1%, PC20, history of urticaria, nasal polyps, chronic sinusitis, and history of aspirin hypersensitivity. After logistic regression analysis based on the eight clinical parameters, nasal polyps, history of aspirin intolerance, sinusitis, and log [PC20 methacholine] remained significantly associated with AERD (P<0.05). The sensitivity and specificity of the history of aspirin hypersensitivity to predict AERD were 64.7% and 92.0%, respectively, and the positive and negative predictive values were 56.9% and 94.1%, respectively. Overall, the accuracy of the test was 88.2%. The accuracy of the tests for nasal polyps and chronic sinusitis were 67.3% and 60.4%, respectively. Conclusions Among clinical parameters associated with AERD, the history of aspirin hypersensitivity has the best positive and negative predictive values for the oral aspirin challenge test. Because the false-positive and -negative rates were still high, additional non-invasive methods are needed to reduce the rate of false outcomes.
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Affiliation(s)
- Hun Soo Chang
- Pharmacogenetic Research Center for Psychotropic Drugs, Korea University, Seoul, Korea
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Drug allergy: an updated practice parameter. Ann Allergy Asthma Immunol 2011; 105:259-273. [PMID: 20934625 DOI: 10.1016/j.anai.2010.08.002] [Citation(s) in RCA: 652] [Impact Index Per Article: 50.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2010] [Accepted: 08/02/2010] [Indexed: 01/17/2023]
Abstract
Adverse drug reactions (ADRs) result in major health problems in the United States in both the inpatient and outpatient setting. ADRs are broadly categorized into predictable (type A and unpredictable (type B) reactions. Predictable reactions are usually dose dependent, are related to the known pharmacologic actions of the drug, and occur in otherwise healthy individuals, They are estimated to comprise approximately 80% of all ADRs. Unpredictable are generally dose independent, are unrelated to the pharmacologic actions of the drug, and occur only in susceptible individuals. Unpredictable reactions are subdivided into drug intolerance, drug idiosyncrasy, drug allergy, and pseudoallergic reactions. Both type A and B reactions may be influenced by genetic predisposition of the patient
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Kim SH, Nam EJ, Kim YK, Ye YM, Park HS. Functional variability of the adenosine A3 receptor (ADORA3) gene polymorphism in aspirin-induced urticaria. Br J Dermatol 2011; 163:977-85. [PMID: 20716228 DOI: 10.1111/j.1365-2133.2010.09983.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND To improve understanding of aspirin hypersensitivity, this study focused on adenosine as a noncyclooxygenase target molecule of aspirin. Adenosine may affect the release of histamine from cutaneous mast cells through a mechanism mediated by the adenosine A3 receptor. OBJECTIVES To investigate the genetic contribution of adenosine A3 receptor gene (ADORA3) polymorphisms in the pathogenesis of aspirin-induced urticaria (AIU) in a case-control association study in a Korean population. METHODS A case-control association study was performed in 385 patients with AIU and 213 normal controls from a Korean population. The functional variability of genetic polymorphisms in the ADORA3 gene was analysed in in vitro studies that included a luciferase reporter assay and an electrophoretic mobility shift assay (EMSA), and ex vivo studies that included real-time polymerase chain reaction for mRNA expression in peripheral blood mononuclear cells and a histamine release assay. RESULTS A significant association of ADORA3 promoter polymorphism at -1050G/T was found with the phenotype of AIU. Patients with AIU showed higher frequency of the haplotype, ht1 (T(-1050) C(-564) ), compared with normal healthy controls. Moreover, ht1 (TC) was found to be a high-transcript haplotype by the luciferase activity assay, and a -564C allele-specific DNA binding protein was found by EMSA. Increased basophil histamine release was noted in subjects who had the high-transcript haplotype, ht1 (TC). CONCLUSION These results suggest that the high-transcript haplotype, ht1 (TC), of the ADORA3 gene may contribute to the development of cutaneous hyper-reactivity to aspirin, leading to the clinical presentation of AIU.
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Affiliation(s)
- S-H Kim
- Department of Allergy and Rheumatology, Ajou University School of Medicine, San-5, Woncheondong, Youngtonggu, Suwon 442-721, Korea
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Kandasamy P, Zarini S, Chan ED, Leslie CC, Murphy RC, Voelker DR. Pulmonary surfactant phosphatidylglycerol inhibits Mycoplasma pneumoniae-stimulated eicosanoid production from human and mouse macrophages. J Biol Chem 2011; 286:7841-7853. [PMID: 21205826 DOI: 10.1074/jbc.m110.170241] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Mycoplasma pneumoniae is a human pathogen causing respiratory infections that are also associated with serious exacerbations of chronic lung diseases. Membranes and lipoproteins from M. pneumoniae induced a 4-fold increase in arachidonic acid (AA) release from RAW264.7 and a 2-fold increase in AA release from primary human alveolar macrophages. The bacterial lipoprotein mimic and TLR2/1 agonist Pam3Cys and the TLR2/6 agonist MALP-2 produced effects similar to those elicited by M. pneumoniae in macrophages by inducing the phosphorylation of p38(MAPK) and p44/42(ERK1/2) MAP kinases and cyclooxygenase-2 (COX-2) expression. M. pneumoniae induced the generation of prostaglandins PGD(2) and PGE(2) from RAW264.7 cells and thromboxane B(2) (TXB(2)) from human alveolar macrophages. Anti-TLR2 antibody completely abolished M. pneumoniae-induced AA release and TNFα secretion from RAW264.7 cells and human alveolar macrophages. Disruption of the phosphorylation of p44/42(ERK1/2) or inactivation of cytosolic phospholipase A(2)α (cPLA(2)α) completely inhibited M. pneumoniae-induced AA release from macrophages. The minor pulmonary surfactant phospholipid, palmitoyl-oleoyl-phosphatidylglycerol (POPG), antagonized the proinflammatory actions of M. pneumoniae, Pam3Cys, and MALP-2 by reducing the production of AA metabolites from macrophages. The effect of POPG was specific, insofar as saturated PG, and saturated and unsaturated phosphatidylcholines did not have significant effect on M. pneumoniae-induced AA release. Collectively, these data demonstrate that M. pneumoniae stimulates the production of eicosanoids from macrophages through TLR2, and POPG suppresses this pathogen-induced response.
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Affiliation(s)
| | - Simona Zarini
- the Department of Pharmacology, University of Colorado Denver School of Medicine, Aurora, Colorado 80011
| | | | - Christina C Leslie
- the Department of Pharmacology, University of Colorado Denver School of Medicine, Aurora, Colorado 80011; Pediatrics, National Jewish Health, Denver, Colorado, 80206 and
| | - Robert C Murphy
- the Department of Pharmacology, University of Colorado Denver School of Medicine, Aurora, Colorado 80011
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Palikhe NS, Kim SH, Lee HY, Kim JH, Ye YM, Park HS. Association of thromboxane A2 receptor (TBXA2R) gene polymorphism in patients with aspirin-intolerant acute urticaria. Clin Exp Allergy 2010; 41:179-85. [PMID: 21070398 DOI: 10.1111/j.1365-2222.2010.03642.x] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The thromboxane A2 receptor (TBXA2R) is a potent broncho- and vaso-constrictor and is associated with leukotriene synthesis. Polymorphisms in the TBXA2R gene have been linked to atopy, asthma, and atopic dermatitis. This study evaluated the association between genetic TBXA2R variants and the development of acetyl salicylic acid (ASA)-intolerant acute urticaria (AIAU). METHODS AIAU patients (n=167), ASA-intolerant chronic urticaria (AICU) patients (n=149), and healthy controls (NC) (n=265) were included. All patients were enrolled at Ajou University Hospital in Suwon, Korea. Two TBXA2R polymorphisms (-4684T>C and 795T>C) were genotyped by primer extension using a SNAPshot ddNTP primer extension kit. Luciferase activity was measured using a dual-luciferase reporter assay kit. An electrophoretic mobility shift assay (EMSA) was performed using a nuclear extract from a human mast cell line (HMC-1). RESULTS Genetic association data demonstrated that compared with NC subjects, AIAU patients had a significantly higher frequency of the homozygous TT genotype of TBXA2R-4684T>C (P=0.005, P(corr) =0.03). No differences were identified between the AICU and the NC groups. Luciferase activity, reflecting promoter activity, was significantly lower with the TBXA2R-4684T-containing construct than with the -4684C-containing construct (P<0.001); the activity decreased further upon co-transfection with ETS-like gene transcription factor-1 (ELK-1) (P=0.012). EMSA revealed that the -4684T allele produced a specific shifted band, with a greater affinity than that produced by the -4684C allele. CONCLUSION AND CLINICAL RELEVANCE These results suggest that the TBXA2R-4684T allele may be associated with lower TBXA2R expression, which may contribute to the development of the AIAU phenotype.
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Affiliation(s)
- N S Palikhe
- Department of Allergy and Rheumatology, Ajou University School of Medicine, Suwon, South Korea
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Kim JH, Park BL, Cheong HS, Bae JS, Park JS, Jang AS, Uh ST, Choi JS, Kim YH, Kim MK, Choi IS, Cho SH, Choi BW, Park CS, Shin HD. Genome-wide and follow-up studies identify CEP68 gene variants associated with risk of aspirin-intolerant asthma. PLoS One 2010; 5:e13818. [PMID: 21072201 PMCID: PMC2972220 DOI: 10.1371/journal.pone.0013818] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Accepted: 10/16/2010] [Indexed: 02/06/2023] Open
Abstract
Aspirin-intolerant asthma (AIA) is a rare condition that is characterized by the development of bronchoconstriction in asthmatic patients after ingestion of non-steroidal anti-inflammatory drugs including aspirin. However, the underlying mechanisms of AIA occurrence are still not fully understood. To identify the genetic variations associated with aspirin intolerance in asthmatics, the first stage of genome-wide association study with 109,365 single nucleotide polymorphisms (SNPs) was undertaken in a Korean AIA (n = 80) cohort and aspirin-tolerant asthma (ATA, n = 100) subjects as controls. For the second stage of follow-up study, 150 common SNPs from 11 candidate genes were genotyped in 163 AIA patients including intermediate AIA (AIA-I) subjects and 429 ATA controls. Among 11 candidate genes, multivariate logistic analyses showed that SNPs of CEP68 gene showed the most significant association with aspirin intolerance (P values of co-dominant for CEP68, 6.0×10−5 to 4.0×10−5). All seven SNPs of the CEP68 gene showed linkage disequilibrium (LD), and the haplotype of CEP68_ht4 (T-G-A-A-A-C-G) showed a highly significant association with aspirin intolerance (OR = 2.63; 95% CI = 1.64–4.21; P = 6.0×10−5). Moreover, the nonsynonymous CEP68 rs7572857G>A variant that replaces glycine with serine showed a higher decline of forced expiratory volume in 1s (FEV1) by aspirin provocation than other variants (P = 3.0×10−5). Our findings imply that CEP68 could be a susceptible gene for aspirin intolerance in asthmatics, suggesting that the nonsynonymous Gly74Ser could affect the polarity of the protein structure.
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Affiliation(s)
- Jeong-Hyun Kim
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Byung-Lae Park
- Department of Genetic Epidemiology, SNP Genetics Incorporation, Seoul, Republic of Korea
| | - Hyun Sub Cheong
- Department of Genetic Epidemiology, SNP Genetics Incorporation, Seoul, Republic of Korea
| | - Joon Seol Bae
- Department of Life Science, Sogang University, Seoul, Republic of Korea
| | - Jong Sook Park
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - An Soo Jang
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Soo-Taek Uh
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Jae-Sung Choi
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Yong-Hoon Kim
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Cheonan Hospital, Cheonan, Republic of Korea
| | - Mi-Kyeong Kim
- Division of Internal Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Inseon S. Choi
- Department of Allergy, Chonnam National University, Gwangju, Republic of Korea
| | - Sang Heon Cho
- Department of Internal Medicine, Seoul National University, Seoul, Republic of Korea
| | - Byoung Whui Choi
- Department of Internal Medicine, Chung-Ang University Yongsan Hospital, Seoul, Republic of Korea
| | - Choon-Sik Park
- Division of Allergy and Respiratory Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
- * E-mail: (HDS); (CSP)
| | - Hyoung Doo Shin
- Department of Life Science, Sogang University, Seoul, Republic of Korea
- Department of Genetic Epidemiology, SNP Genetics Incorporation, Seoul, Republic of Korea
- * E-mail: (HDS); (CSP)
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Pasaje CFA, Kim JH, Park BL, Cheong HS, Chun JY, Park TJ, Lee JS, Kim Y, Bae JS, Park JS, Yoon SH, Uh ST, Choi JS, Kim YH, Kim MK, Choi IS, Cho SH, Choi BW, Park CS, Shin HD. Association of SLC6A12 variants with aspirin-intolerant asthma in a Korean population. Ann Hum Genet 2010; 74:326-34. [PMID: 20597903 DOI: 10.1111/j.1469-1809.2010.00584.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Aspirin-intolerant asthma (AIA) occurs from asthma exacerbation after exposure to aspirin. However, the underlying mechanisms of AIA occurrence are still unclear. The critical role of the solute carrier family 6 (neurotransmitter transporter, betaine/GABA) member 12 (SLC6A12) gene in GABAergic transmission, which is associated with mucus production in asthma, makes it a candidate gene for AIA association study. Eight single nucleotide polymorphisms (SNPs) in SLC6A12 were genotyped in 163 aspirin-intolerant asthma (AIA) and 429 aspirin-tolerant asthma (ATA) patients of Korean ethnicity. Associations between polymorphisms of SLC6A12 and AIA were analysed using multivariate logistic analysis. Results showed that two polymorphisms and a haplotype in SLC6A12, rs499368 (P= 0.005; P(corr)= 0.03), rs557881 (non-synonymous C10R, P= 0.007; P(corr)= 0.04), and SLC6A12_BL1_ht1 (P= 0.009; P(corr)= 0.05) respectively, were significantly associated with AIA after multiple testing corrections. In addition, SNPs of SLC6A12 were significantly associated with the fall rate of FEV(1) by aspirin provocation suggesting that SLC6A12 could affect reversibility of lung function abnormalities in AIA patients. Although these results are preliminary and future replications are needed to confirm these findings, this study showed evidence of association between variants in SLC6A12 and AIA occurrence among asthmatics in a Korean population.
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Genetic and ethnic risk factors associated with drug hypersensitivity. Curr Opin Allergy Clin Immunol 2010; 10:280-90. [DOI: 10.1097/aci.0b013e32833b1eb3] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Platelet responsiveness to conventional antiplatelet therapy underlies a high interindividual variability influenced by various factors. For instance, antiplatelet therapy does not curtail the expected effects in a relevant number of patients as demonstrated by the occurrence of repeated cardiovascular events including stent thrombosis and/or by inadequate platelet inhibition measured by in vitro platelet function assays. Besides non-genetic factors such as age, gender, liver and renal function and co-medication, considerable variation of antiplatelet drug responsiveness can be attributed to genetic factors including polymorphisms and genetic variants of platelet surface proteins and drug metabolizing enzymes. Nowadays, platelet pharmacogenomics has started a new field with the goal to link genetic information of various drug targets to interindividual variability of drug response. Evolving data from large cohort studies suggest a promising role for pharmacogenomics in the context of antiplatelet therapy. Additionally, with the revolution of low cost and high-throughput genotyping techniques, genetic testing has become affordable for clinical application and individualization of therapy. However, a key issue to define the future role of pharmacogenomics will rely on the benefit and the timeliness of implementing the genetic information into therapeutic decision. Hence, it warrants further investigations to document the prognostic effects of therapeutic alterations in distinct genotypes. Concerning the safety profile of emerging antiplatelet and antithrombotic drugs in certain risk groups it would be fatal to individualize treatment barely on behalf of an atherothrombotic genotype. In contrast, individual risk assessment combining non-genetic information and pharmacogenetic analysis represents a reasonable concept. Here, we provide a review on current data describing the role of pharmacogenomics in the field of antiplatelet drug treatment in cardiovascular patients with future directions.
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Affiliation(s)
- C S Zuern
- Medizinische Klinik, Abteilung Kardiologie und Kreislauferkrankungen, University Hospital Tuebingen, Tuebingen, Germany.
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Palikhe NS, Kim JH, Park HS. Update on recent advances in the management of aspirin exacerbated respiratory disease. Yonsei Med J 2009; 50:744-50. [PMID: 20046412 PMCID: PMC2796398 DOI: 10.3349/ymj.2009.50.6.744] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2009] [Indexed: 02/02/2023] Open
Abstract
Aspirin intolerant asthma (AIA) is frequently characterized as an aspirin (ASA)-exacerbated respiratory disease (AERD). It is a clinical syndrome associated with chronic severe inflammation in the upper and lower airways resulting in chronic rhinitis, sinusitis, recurrent polyposis, and asthma. AERD generally develops secondary to abnormalities in inflammatory mediators and arachidonic acid biosynthesis expression. Upper and lower airway eosinophil infiltration is a key feature of AERD; however, the exact mechanisms of such chronic eosinophilic inflammation are not fully understood. Cysteinyl leukotriene over-production may be a key factor in the induction of eosinophilic activation. Genetic studies have suggested a role for variability of genes in disease susceptibility and response to medication. Potential genetic biomarkers contributing to the AERD phenotype include HLA-DPB1*301, LTC4S, ALOX5, CYSLT, PGE2, TBXA2R, TBX21, MS4A2, IL10 -1082A > G, ACE -262A > T, and CRTH2 -466T > C; the four-locus SNP set was composed of B2ADR 46A > G, CCR3 -520T > G, CysLTR1 -634C > T, and FCER1B -109T > C. Management of AERD is an important issue. Aspirin ingestion may result in significant morbidity and mortality, and patients must be advised regarding aspirin risk. Leukotriene receptor antagonists (LTRA) that inhibit leukotriene pathways have an established role in long-term AERD management and rhinosinusitis. Aspirin desensitization may be required for the relief of upper and lower airway symptoms in AERD patients. Future research should focus on identification of biomarkers for a comprehensive diagnostic approach.
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Affiliation(s)
- Nami Shrestha Palikhe
- Department of Allergy and Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Joo-Hee Kim
- Department of Allergy and Rheumatology, Ajou University School of Medicine, Suwon, Korea
| | - Hae-Sim Park
- Department of Allergy and Rheumatology, Ajou University School of Medicine, Suwon, Korea
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Park SA, Park BL, Park JH, Lee TK, Sung KB, Lee YK, Chang HS, Park CS, Shin HD. Association of polymorphisms in thromboxane A2 receptor and thromboxane A synthase 1 with cerebral infarction in a Korean population. BMB Rep 2009; 42:200-5. [DOI: 10.5483/bmbrep.2009.42.4.200] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Gleim S, Kasza Z, Martin K, Hwa J. Prostacyclin receptor/thromboxane receptor interactions and cellular responses in human atherothrombotic disease. Curr Atheroscler Rep 2009; 11:227-35. [DOI: 10.1007/s11883-009-0035-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Palikhe NS, Kim SH, Park HS. What do we know about the genetics of aspirin intolerance? J Clin Pharm Ther 2009; 33:465-72. [PMID: 18834360 DOI: 10.1111/j.1365-2710.2008.00961.x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Although acetylsalicylic acid is prescribed for a broad range of diseases, it can induce a wide array of clinically recognized hypersensitivity reactions, including aspirin-intolerant asthma (AIA) with rhinitis and aspirin-intolerant urticaria (AIU) with anaphylaxis. Altered eicosanoid metabolism is the generally accepted mechanism of aspirin intolerance; the overproduction of cysteinyl leucotrienes has been suggested to play a causative role in both AIA and AIU. Genetic markers suggested for AIA include HLA-DPBI*0301, leucotriene C4 synthase (LTC4S), ALOX5, CYSLT, PGE2, TBXA2R and TBX21. Similarly, HLA-DB1*0609, ALOX5, FCER1A and HNMT have been identified as possible genetic markers for AIU. An additional low-risk genetic marker for AIA is MS4A2, which encodes the beta-chain of FCER1. Other single and sets of two or more interacting genetic markers are currently being investigated. Analyses of the genetic backgrounds of patients with AIA and AIU will promote the development of early diagnostic and therapeutic interventions, which may reduce the incidence of AIA and AIU.
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Affiliation(s)
- N S Palikhe
- Department of Allergy & Rheumatology, Ajou University School of Medicine, Suwon, Korea
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Kim SH, Kim YK, Park HW, Kim SH, Kim SH, Ye YM, Min KU, Park HS. Adenosine deaminase and adenosine receptor polymorphisms in aspirin-intolerant asthma. Respir Med 2008; 103:356-63. [PMID: 19019667 DOI: 10.1016/j.rmed.2008.10.008] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2008] [Revised: 10/06/2008] [Accepted: 10/06/2008] [Indexed: 11/25/2022]
Abstract
In asthmatic airways, adenosine is a potent bronchoconstrictor with either pro- or anti-inflammatory effects depending on receptor interactions. While aspirin has been suggested to mediate adenosine action, the roles of adenosine and its receptors in aspirin-intolerant asthma (AIA) are not well-defined. Therefore, we evaluated associations between genetic polymorphisms of adenosine deaminase and the four adenosine receptors (A(1), A(2A), A(2B), and A(3)) with the AIA phenotype. The genes for adenosine deaminase (ADA) and the four adenosine receptors (ADORA1, ADORA2A, ADORA2B, and ADORA3) were screened by direct sequencing, and 13 single nucleotide polymorphisms (SNPs) were selected among 23 polymorphisms. Using multivariate logistic regression analysis, we compared the frequencies of SNP genotypes and haplotypes among 136 patients with AIA, 181 patients with aspirin-tolerant asthma (ATA), and 183 normal individuals. We found significant differences between normal and patients with AIA in the ADORA1 SNP genotype frequencies for 1405C>T (P=0.001) and A102A (P=0.013). No other significant associations were detected for the other SNPs. In the haplotype analysis, ht[C-T-G] (P=0.003) and ht[A-C-G] (P=0.032) in ADORA1 and ht[A-T] in ADORA2 (P=0.013) were significantly associated with AIA. Genetic polymorphisms of adenosine receptors A(1) and A(2A) were associated with AIA, suggesting that adenosine might play a crucial role in the development of AIA through interactions with the A(1) and A(2A) receptors.
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Affiliation(s)
- Sang-Heon Kim
- Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Republic of Korea
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