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Matera MG, Rogliani P, Novelli G, Cazzola M. The impact of genomic variants on patient response to inhaled bronchodilators: a comprehensive update. Expert Opin Drug Metab Toxicol 2023. [PMID: 37269324 DOI: 10.1080/17425255.2023.2221848] [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: 03/01/2023] [Accepted: 06/01/2023] [Indexed: 06/05/2023]
Abstract
INTRODUCTION The bronchodilator response (BDR) depends on many factors, including genetic ones. Numerous single nucleotide polymorphisms (SNPs) influencing BDR have been identified. However, despite several studies in this field, genetic variations are not currently being utilized to support the use of bronchodilators. AREAS COVERED In this narrative review, the possible impact of genetic variants on BDR is discussed. EXPERT OPINION Pharmacogenetic studies of β2-agonists have mainly focused on ADRB2 gene. Three SNPs, A46G, C79G, and C491T, have functional significance. However, other uncommon variants may contribute to individual variability in salbutamol response. SNPs haplotypes in ADRB2 may have a role. Many variants in genes coding for muscarinic ACh receptor (mAChR) have been reported, particularly in the M2 and, to a lesser degree, M3 mAChRs, but no consistent evidence for a pharmacological relevance of these SNPs has been reported. Moreover, there is a link between SNPs and ethnic and/or age profiles regarding BDR. Nevertheless, replication of pharmacogenetic results is limited and often, BDR is dissociated from what is expected based on SNP identification. Pharmacogenetic studies on bronchodilators must continue. However, they must integrate data derived from a multi-omics approach with epigenetic factors that may modify BDR.
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Affiliation(s)
- Maria Gabriella Matera
- Department of Experimental Medicine, University of Campania 'Luigi Vanvitelli', Naples, Italy
| | - Paola Rogliani
- Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
| | - Giuseppe Novelli
- Department of Biomedicine and Prevention, University of Rome 'Tor Vergata', Rome, Italy
| | - Mario Cazzola
- Department of Experimental Medicine, University of Rome 'Tor Vergata', Rome, Italy
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Muchão FP, Souza AVD, Souza JME, Silva LVRFD. Association between beta-2 adrenergic receptor variants and clinical outcomes in children and adolescents with acute asthma. EINSTEIN-SAO PAULO 2022; 20:eAO6412. [PMID: 35352766 PMCID: PMC8932728 DOI: 10.31744/einstein_journal/2022ao6412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 03/04/2021] [Indexed: 11/22/2022] Open
Abstract
Objective To investigate whether different genotypes of p.Arg16Gly, p.Gln27Glu, p.Arg19Cys and p.Thr164Ile variants interfere in response to treatment in children and adolescents with moderate to severe acute asthma. Methods This sample comprised patients aged 2 to 17 years with a history of at least two wheezing episodes and current moderate to severe asthma exacerbation. All patients received multiple doses of albuterol and ipratropium bromide delivered via pressurized metered-dose inhaler with holding chamber and systemic corticosteroids. Hospital admission was defined as the primary outcome. Secondary outcomes were changes in forced expiratory volume in the first second after 1 hour of treatment, and for outpatients, length of stay in the emergency room. Variants were genotyped by sequencing. Results A total of 60 patients were evaluated. Hospital admission rates were significantly higher in carriers of the genotype AA relative to those with genotype AG or GG, within the p.Arg16Gly variant (p=0.03, test χ2, alpha=0.05). Secondary outcomes did not differ between genotypes. Conclusion Hospital admission rates were significantly higher among carriers of the genotype AA within the p.Arg16Gly variant. Trial registration: ClinicalTrials.gov: NCT01323010
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Pharmacogenomics and Pediatric Asthmatic Medications. JOURNAL OF RESPIRATION 2022. [DOI: 10.3390/jor2010003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Asthma is a respiratory condition often stemming from childhood, characterized by difficulty breathing and/or chest tightness. Current treatment options for both adults and children include beta-2 agonists, inhaled corticosteroids (ICS), and leukotriene modifiers (LTM). Despite recommendations by the Global Initiative for Asthma, a substantial number of patients are unresponsive to treatment and unable to control symptoms. Pharmacogenomics have increasingly become the front line of precision medicine, especially with the recent use of candidate gene and genome- wide association studies (GWAS). Screening patients preemptively could likely decrease adverse events and therapeutic failure. However, research in asthma, specifically in pediatrics, has been low. Although numerous adult trials have evaluated the impact of pharmacogenomics and treatment response, the lack of evidence in children has hindered progress towards clinical application. This review aims to discuss the impact of genetic variability and response to asthmatic medications in the pediatric population.
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Cai MX, Wei B, Liao SE, Fu JY, Liu YJ, Li LX. Association between ADRB2 regulatory region polymorphisms and susceptibility to childhood asthma. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2021; 23:1132-1140. [PMID: 34753545 DOI: 10.7499/j.issn.1008-8830.2108054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVES To study the association of β2-drenergic receptor (ADRB2) regulatory region single nucleotides polymorphism (SNP)/haplotypes at rs11168070, rs17108803, rs2053044, rs12654778, rs11959427, and rs2895795 loci with childhood asthma. METHODS A total of 143 children with asthma who attended the hospital from October 2016 to October 2020 were enrolled as the asthma group, among whom 61 children had mild symptoms (mild group) and 82 children had moderate-to-severe symptoms (moderate-to-severe group). A total of 137 healthy children were enrolled as the control group. Peripheral venous blood samples were collected from the two groups. The SNaPshot SNP technique was used to analyze the SNP and haplotypes of the ADRB2 regulatory region at rs11168070, rs17108803, rs2053044, rs12654778, rs11959427, and rs2895795 loci in all children. The asthma group and the control group were compared in terms of the association of ADRB2 regulatory region SNP and haplotypes at the above six loci with susceptibility to asthma and severity of asthma. RESULTS Polymorphisms were observed in the ADRB2 regulation region at the above six loci in both the asthma group and the control group, with significant differences between the two groups in the distribution of genotype and allele frequencies at rs2895795 (-1429T /A), rs2053044(-1023G/A), and rs12654778 (-654G/A) loci (P<0.05). Linkage disequilibrium of SNP was observed at the six loci of the ADRB2 regulatory region.The haplotypes of TATGCT, TATGGC, and AGTGCT were associated with susceptibility to childhood asthma, among which TATGCT and TATGGC were risk factors for childhood asthma (OR=1.792 and 1.946 respectively, P<0.05), while AGTGCT was a protective factor (OR=0.523, P<0.05). CONCLUSIONS SNP/haplotype of the ADRB2 regulatory region is associated with the susceptibility to childhood asthma. The haplotypes of TATGCT and TATGGC formed by such SNP/haplotype are risk factors for childhood asthma, while AGTGCT is a protective factor.
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Affiliation(s)
- Ming-Xuan Cai
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
| | - Bing Wei
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
| | - Shi-E Liao
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
| | - Jin-Yue Fu
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
| | - Ya-Jun Liu
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
| | - Ling-Xue Li
- General Hospital of the Northern Theater of the Chinese People's Liberation Army, Shenyang 110016, China
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Li M, Tang Y, Zhao EY, Chen CH, Dong LL. Relationship between MTHFR gene polymorphism and susceptibility to bronchial asthma and glucocorticoid efficacy in children. ZHONGGUO DANG DAI ER KE ZA ZHI = CHINESE JOURNAL OF CONTEMPORARY PEDIATRICS 2021; 23:802-808. [PMID: 34511169 DOI: 10.7499/j.issn.1008-8830.2105035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVES To study the association of methylenetetrahydrofolate reductase (MTHFR) gene polymorphism with susceptibility to bronchial asthma and glucocorticoid (GC) efficacy in children. METHODS A total of 173 children with bronchial asthma who were hospitalized between June 2018 and December 2020 were selected as the observation group. The children received aerosol inhalation of GC for three consecutive months. A total of 178 healthy children who underwent physical examination during the same period were selected as the control group. PCR was used to detect the genotypes of the MTHFR C677T for the two groups. The differences in genotype distribution between the two groups were analyzed. Children with different genotypes in the observation group were compared in terms of immunoglobulin E (IgE), interleukin-8 (IL-8), leukotriene B4 (LTB4), lung function, and clinical outcome before and after treatment. RESULTS TT genotype and T allele were significantly more frequent in the observation group than in the control group (P<0.001). TT/CT genotypes and T allele were independent risk factors for bronchial asthma (OR=6.615 and 7.055 respectively; P<0.001). After GC treatment, the children with CC, CT or TT genotypes experienced significantly decreased levels of IgE, IL-8, and LTB4 and significantly increased forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), and FEV1/FVC ratio (P<0.001). The children with TT genotype showed significantly lower levels of IL-8 and LTB4 than those with CC genotype, a significantly lower level of LTB4 than those with CT genotype, significantly higher FVC than those with CT genotype, and a significantly higher FEV1/FVC ratio than those with CC genotype (P<0.05). The children with TT genotype had better GC efficacy compared with those with CC genotype (P<0.05). TT genotype was an independent factor for good GC efficacy (OR=2.111, P=0.018). CONCLUSIONS MTHFR gene polymorphism is associated with asthma susceptibility and GC efficacy in children. Children carrying TT/CT genotypes have a higher risk of developing asthma, and those with TT genotype are more sensitive to GC treatment.
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Affiliation(s)
- Min Li
- Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Yu Tang
- Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Er-Yao Zhao
- Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Chao-Hui Chen
- Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Li-Li Dong
- Department of Respiratory Medicine, Children's Hospital Affiliated to Zhengzhou University/Henan Children's Hospital/Zhengzhou Children's Hospital, Zhengzhou 450018, China
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Abstract
BACKGROUND During the last decade, a number of studies have evaluated the potential association between some genetic polymorphisms and childhood asthma risk, however, the results of published studies appear conflicts. The aim of the present study was to investigate association between genetic polymorphisms and pediatric asthma. METHODS Relevant studies were searched in PubMed, Embase, Web of Science, CNKI (China National Knowledge Infrastructure), Wanfang, and Weipu database. Pooled odds ratios (OR) with 95% confidence interval (CI) were calculated to evaluate the strength of the associations. RESULTS Fifty five case-control studies were finally included in this meta-analysis, including 17,971 pediatric asthma cases and 17,500 controls. Eighteen polymorphisms were identified, of which, 9 polymorphisms were found to be associated with asthma risk in overall populations: IL-13 +2044G/A, IL-4 -590C/T, ADAM33 F+1, ADAM33 T2, ADAM33 T1, ADAM33 ST+4,ORMDL3 rs7216389, VDR FokI, VDR TaqI. Furthermore, IL-13 +2044G/A, IL-4 -590C/T, ADAM33 T2, ADAM33 T1, VDR BsmI polymorphisms may cause an increased risk of asthma among Chinese children. CONCLUSIONS This meta-analysis found that IL-13 +2044G/A, IL-4 -590C/T, ADAM33 F+1, ADAM33 T2, ADAM33 T1, ADAM33 ST+4,ORMDL3 rs7216389, VDR FokI, and VDR TaqI polymorphisms might be risk factors for childhood asthma. Further study with large population and more ethnicities is needed to estimate these associations.
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Affiliation(s)
- Zhen Ruan
- Shaanxi University of Chinese Medicine
| | - Zhaoling Shi
- Children's Hospital the Second Affiliated Hospital of Shaanxi University of Chinese Medicine
| | - Guocheng Zhang
- Children's Hospital the Second Affiliated Hospital of Shaanxi University of Chinese Medicine
| | - Jiushe Kou
- The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang, China
| | - Hui Ding
- Children's Hospital the Second Affiliated Hospital of Shaanxi University of Chinese Medicine
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Perez-Garcia J, Espuela-Ortiz A, Lorenzo-Diaz F, Pino-Yanes M. Pharmacogenetics of Pediatric Asthma: Current Perspectives. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2020; 13:89-103. [PMID: 32256100 PMCID: PMC7090194 DOI: 10.2147/pgpm.s201276] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/03/2020] [Indexed: 12/11/2022]
Abstract
Asthma is a chronic respiratory disease that affects 339 million people worldwide and has a considerable impact on the pediatric population. Asthma symptoms can be controlled by pharmacological treatment. However, some patients do not respond to therapy and continue suffering from symptoms, which impair the quality of life of patients and limit their daily activity. Genetic variation has been shown to have a role in treatment response. The aim of this review is to update the main findings described in pharmacogenetic studies of pediatric asthma published from January 1, 2018 to December 31, 2019. During this period, the response to short-acting beta-agonists and inhaled corticosteroids in childhood asthma has been evaluated by eleven candidate-gene studies, one meta-analysis of a candidate gene, and six pharmacogenomic studies. The findings have allowed validating the association of genes previously related to asthma treatment response (ADRB2, GSDMB, FCER2, VEGFA, SPAT2SL, ASB3, and COL2A1), and identifying novel associations (PRKG1, DNAH5, IL1RL1, CRISPLD2, MMP9, APOBEC3B-APOBEC3C, EDDM3B, and BBS9). However, some results are not consistent across studies, highlighting the need to conduct larger studies in diverse populations with more homogeneous definitions of treatment response. Once stronger evidence was established, genetic variants will have the potential to be applied in clinical practice as biomarkers of treatment response enhancing asthma management and improving the quality of life of asthma patients.
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Affiliation(s)
- Javier Perez-Garcia
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology and Genetics, Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
| | - Antonio Espuela-Ortiz
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology and Genetics, Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
| | - Fabian Lorenzo-Diaz
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology and Genetics, Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain.,Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
| | - Maria Pino-Yanes
- Genomics and Health Group, Department of Biochemistry, Microbiology, Cell Biology and Genetics, Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain.,CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Comunidad de Madrid, Spain.,Instituto de Tecnologías Biomédicas (ITB), Universidad de La Laguna, San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain
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Association of β2-adrenergic receptor gene polymorphisms (rs1042713, rs1042714, rs1042711) with asthma risk: a systematic review and updated meta-analysis. BMC Pulm Med 2019; 19:202. [PMID: 31699066 PMCID: PMC6836544 DOI: 10.1186/s12890-019-0962-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 10/17/2019] [Indexed: 01/08/2023] Open
Abstract
Background The published data on the association between β2-adrenergic receptor gene polymorphisms and asthma susceptibility are inconclusive. To derive a more precise estimation of this association, a meta-analysis was performed. Methods A literature search was conducted in PubMed, Web of Science, EMBASE, Wanfang, and the China National Knowledge Infrastructure (CNKI) databases to identify eligible studies. The pooled odds ratios (ORs) with corresponding 95% confidence intervals (CIs) were used to calculate the strength of the association. A sensitivity analysis was performed to evaluate the influence of individual studies on the overall effect estimates, and funnel plots and Egger’s tests were used for indications of publication bias. Results Seventy three studies with three single nucleotide polymorphisms (SNP) (rs1042713, c.G46A, p.Gly16Arg; rs1042714, c.G79C, p.Gln27Glu; rs1042711, c.T-47C, p.Cys19Arg) were finally identified. For the rs1042713 polymorphism, no significant association with asthma risk was found in the overall population. However, a significant protective association was found in the Indian population in the dominant model comparison (OR = 0.72, 95% CI = 0.59–0.87, I2 = 25%, studies = 5, cases = 1190, controls = 1241). A significant risk association was found in the Arab population in the dominant model comparison (OR = 1.75, 95% CI = 1.14–2.70, I2 = 0%, studies = 2, cases = 307, controls = 361) and the homozygote model comparison (OR = 1.88, 95% CI = 1.17–3.02, I2 = 0%, studies = 2, cases = 307, controls = 361), and in the Hispanic-Latino population in the dominant model comparison (OR = 1.68, 95% CI = 1.10–2.55, I2 = 77%, studies = 5, cases = 1026, controls = 1412). For the rs1042714 polymorphism, we found a significant association in the recessive model comparison (OR = 0.83, 95% CI = 0.70–0.98, I2 = 44%, studies = 52, cases = 8242, controls = 16,832), the homozygote genotype comparison (OR = 0.84, 95% CI = 0.72–0.98, I2 = 25%, studies = 52, cases = 8242, controls = 16,832) and the allelic genetic model (OR = 0.91, 95% CI = 0.83–0.99, I2 = 59%, studies = 52, cases = 8242, controls = 16,832) in the overall population. When stratified by age, a significant association was also found in children in the recessive model comparison (OR = 0.59, 95% CI = 0.39–0.88, I2 = 58%, studies = 18, cases = 2498, controls = 2510) and the homozygote genotype comparison (OR = 0.63, 95% CI = 0.43–0.92, I2 = 46%, studies = 18, cases = 2498, controls = 2510), but not in adult. For the rs1042711 polymorphism, no significant associations were found in the any genetic model. Conclusion The meta-analysis suggests that the ADRB2 rs1042714 polymorphism has a protective association with asthma in the overall population and the pediatric subgroup.
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Zhang YQ, Zhu KR. The C79G Polymorphism of the β2-Adrenergic Receptor Gene, ADRB2, and Susceptibility to Pediatric Asthma: Meta-Analysis from Review of the Literature. Med Sci Monit 2019; 25:4005-4013. [PMID: 31142730 PMCID: PMC6559004 DOI: 10.12659/msm.913780] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background The ADRB2 gene encodes the β2-adrenergic receptor (β2-AR). This study aimed to determine the association between the C79G polymorphism of the ADRB2 gene and its association with pediatric asthma using a meta-analysis of the published data. Material/Methods Review of publications up to May 2018 was from the PubMed, EMBASE, China National Knowledge Infrastructure (CNKI), and WanFang databases. The odds ratio (ORs) with 95% confidence interval (CI) were used in evaluating the strength of the reported association between the C79G polymorphism of the ADRB2 gene and pediatric asthma. Results There were 18 controlled studies that included 2,982 pediatric cases of asthma and 2,651 controls. Expression of the C79G polymorphism of the ADRB2 gene was significantly associated with risk of pediatric asthma associated with the C or G allele with comparison of the co-dominant model (GG vs. CC: OR, 0.69; 95% CI, 0.55–0.88) and the recessive model (GG vs. CC+CG: OR, 0.65; 95% CI, 0.53–0.81). Subgroup analysis by ethnicity showed a significantly reduced risk of pediatric asthma in Asian patients for comparison of the co-dominant model (GG vs. CC: OR, 0.59; 95% CI, 0.45–0.78), the recessive model (GG vs. CC+CG: OR, 0.58; 95% CI, 0.45–0.76), and the allelic model (G vs. C: OR, 0.89; 95% CI, 0.79–0.99). Conclusions The C79G polymorphism of the ADRB2 gene encoding β2-AR was associated with a reduced risk for the development of pediatric asthma, particularly in the Asian population.
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Affiliation(s)
- Yan-Qin Zhang
- Department of Pediatrics, Jining No.1 Peoples' Hospital, Jining, Shandong, China (mainland)
| | - Kang-Ru Zhu
- Department of Pediatrics, Jining No.1 Peoples' Hospital, Jining, Shandong, China (mainland)
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