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Azarova IE, Klyosova EY, Kolomoets II, Polonikov AV. Polymorphic Variants of the Neutrophil Cytosolic Factor 2 Gene: Associations with Susceptibility to Type 2 Diabetes Mellitus and Cardiovascular Autonomic Neuropathy. RUSS J GENET+ 2022; 58:593-602. [DOI: 10.1134/s1022795422050039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 07/28/2024]
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Pourgholi L, Pourgholi F, Ziaee S, Goodarzynejad H, Hosseindokht M, Boroumand M, Mandegary A. The association between CYBA gene C242T variant and risk of metabolic syndrome. Eur J Clin Invest 2020; 50:e13275. [PMID: 32406080 DOI: 10.1111/eci.13275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 04/30/2020] [Accepted: 05/09/2020] [Indexed: 12/23/2022]
Abstract
BACKGROUND Both inflammation and oxidative stress may contribute to pathogenesis of metabolic syndrome (MetS). The C242T polymorphism (rs4673) in the CYBA gene, as the main components of NAD (P) H oxidase, causes inter-individual variability in the enzyme activity. We aimed to investigate the association between this polymorphism with MetS and its components. METHODS Two hundred nine patients with MetS and 232 controls were included in this study. MetS was defined based on NCEP ATP-III A criteria with some modifications. The C242T polymorphism within CYBA gene was determined by using PCR-based restriction fragment length polymorphism (PCR-RFLP) method. RESULTS After applying a multiple logistic regression model with adjusting for potential confounders of MetS including, age, sex, body mass index, hypertension, used medications, and diabetes mellitus, C242T polymorphism was found to be associated with the presence of MetS in men but not in the total population or in women. T allele as compared to C allele was associated with decreased odds of MetS in men (adjusted OR = 0.42, 95% CI = 0.24-0.74; P = .003), but not in women (adjusted OR = 1.03, 95% CI = 0.07-1.61; P = .890), or in the total population (adjusted OR = 0.72, 95% CI = 0.51-1.02; P = .063). CONCLUSION This study shows that T allele of C242T polymorphism in CYBA gene is protective against MetS in Iranian men but not in women. Further cohort studies with larger sample size in subgroups of men and women are required to confirm such association in other racial or ethnic group.
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Affiliation(s)
- Leyla Pourgholi
- Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Pharmacology & Toxicology, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran
| | - Fatemeh Pourgholi
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shayan Ziaee
- Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Goodarzynejad
- Department of Cardiac Research, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Hosseindokht
- Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammadali Boroumand
- Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Mandegary
- Department of Pharmacology & Toxicology, School of Pharmacy, Kerman University of Medical Sciences, Kerman, Iran.,Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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Cuevas S, Villar VAM, Jose PA. Genetic polymorphisms associated with reactive oxygen species and blood pressure regulation. THE PHARMACOGENOMICS JOURNAL 2019; 19:315-336. [PMID: 30723314 PMCID: PMC6650341 DOI: 10.1038/s41397-019-0082-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 10/19/2018] [Accepted: 12/21/2018] [Indexed: 02/08/2023]
Abstract
Hypertension is the most prevalent cause of cardiovascular disease and kidney failure, but only about 50% of patients achieve adequate blood pressure control, in part, due to inter-individual genetic variations in the response to antihypertensive medication. Significant strides have been made toward the understanding of the role of reactive oxygen species (ROS) in the regulation of the cardiovascular system. However, the role of ROS in human hypertension is still unclear. Polymorphisms of some genes involved in the regulation of ROS production are associated with hypertension, suggesting their potential influence on blood pressure control and response to antihypertensive medication. This review provides an update on the genes associated with the regulation of ROS production in hypertension and discusses the controversies on the use of antioxidants in the treatment of hypertension, including the antioxidant effects of antihypertensive drugs.
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Affiliation(s)
- Santiago Cuevas
- Center for Translational Science, Children's National Health System, 111 Michigan Avenue, NW, Washington, DC, 20010, USA.
| | - Van Anthony M Villar
- Department of Medicine, Division of Renal Diseases and Hypertension, The George Washington University School of Medicine and Health Sciences, Walter G. Ross Hall, Suite 738, 2300 I Street, NW, Washington, DC, 20052, USA
| | - Pedro A Jose
- Department of Medicine, Division of Renal Diseases and Hypertension, The George Washington University School of Medicine and Health Sciences, Walter G. Ross Hall, Suite 738, 2300 I Street, NW, Washington, DC, 20052, USA
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Ruilope LM, Nunes Filho ACB, Nadruz W, Rodríguez Rosales FF, Verdejo-Paris J. Obesity and hypertension in Latin America: Current perspectives. HIPERTENSION Y RIESGO VASCULAR 2018; 35:70-76. [PMID: 29361428 DOI: 10.1016/j.hipert.2017.12.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 12/14/2017] [Indexed: 12/30/2022]
Abstract
In the countries of Central America, South America and the Caribbean, there has been a dramatic rise in obesity, the metabolic syndrome, hypertension and other cardiovascular risk factors in the last few decades. Epidemiological evidence highlights a consistent correlation between obesity and hypertension, and the presence of obesity predisposes an individual to a greater risk of hypertension although the mechanisms remain unclear. Obesity and hypertension are two key drivers of the cardio-renal disease continuum, and patients with uncontrolled cardiovascular risk in their mid-life will likely have an increased risk of clinical cardiovascular and renal outcomes in old age. This article summarizes the current status for the prevalence and consequences of obesity and hypertension in Latin America, with the aim of initiating a call to action to all stakeholders for greater implementation of primary prevention strategies, particularly in the young.
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Affiliation(s)
- L M Ruilope
- "Cátedra UAM de Epidemiología y Control del Riesgo Cardiovascular", Universidad Autónoma de Madrid, Spain; Hypertension Unit, Institute of Research i+12: Hypertension and Cardiovascular Risk Group, Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Preventive Medicine and Public Health, Universidad Autónoma de Madrid, Madrid, Spain.
| | - A C B Nunes Filho
- Department of Cardiology, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - W Nadruz
- Department of Internal Medicine, University of Campinas, Cidade Universitária Zeferino Vaz, 13081-970 Campinas, SP, Brazil
| | | | - J Verdejo-Paris
- Instituto Nacional de Cardiologia "Ignacio Chávez", Mexico City, Mexico
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Ghisleni MM, Biolchi V, Jordon BC, Rempel C, Genro JP, Pozzobon A. Association study of C936T polymorphism of the VEGF gene and the C242T polymorphism of the p22phox gene with diabetes mellitus type 2 and distal diabetic polyneuropathy. Mol Med Rep 2015; 12:4626-1633. [PMID: 26130419 DOI: 10.3892/mmr.2015.3988] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Accepted: 06/05/2015] [Indexed: 11/06/2022] Open
Abstract
Even with long‑term glycemic control, diabetes mellitus type 2 (DM2) remains the predominant cause of diabetic neuropathy. Single nucleotide polymorphism (SNP) C936T of the vascular endothelial growth factor (VEGF) gene and the SNP C242T of the p22phox (CYBA) gene have been investigated in relation to DM2 and its complications. The aim of the present study was to investigate the association between these two SNPs and DM2, and also between the SNPs and the signs and symptoms of diabetic distal polyneuropathy. The DM2 group consisted of 98 individuals and the control group consisted of 104 individuals. The results demonstrated that there was no association between the different genotypes or alleles and increased risk of the disease (P>0.05). With SNP C242T, a significant association with body mass index between the CTxTT genotypes (P=0.043) was identified; and the greatest body mass indexes were among individuals with the TT genotype. An association between the degree of neuropathic symptoms and genotypic/allelic distribution of these polymorphisms was not observed. In conclusion, the investigated polymorphisms are not correlated with the risk of developing DM2.
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Affiliation(s)
- Melissa Mottin Ghisleni
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
| | - Vanderlei Biolchi
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
| | - Bruna Cristina Jordon
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
| | - Claudete Rempel
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
| | - Júlia Pasqualini Genro
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
| | - Adriane Pozzobon
- Department of Biological and Health Sciences, Postgraduate Program in Biotechnology, Univates University Center, Rio Grande do Sul, Lajeado 95900‑000, Brazil
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Rupérez AI, Gil A, Aguilera CM. Genetics of oxidative stress in obesity. Int J Mol Sci 2014; 15:3118-44. [PMID: 24562334 PMCID: PMC3958901 DOI: 10.3390/ijms15023118] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 02/12/2014] [Accepted: 02/12/2014] [Indexed: 12/18/2022] Open
Abstract
Obesity is a multifactorial disease characterized by the excessive accumulation of fat in adipose tissue and peripheral organs. Its derived metabolic complications are mediated by the associated oxidative stress, inflammation and hypoxia. Oxidative stress is due to the excessive production of reactive oxygen species or diminished antioxidant defenses. Genetic variants, such as single nucleotide polymorphisms in antioxidant defense system genes, could alter the efficacy of these enzymes and, ultimately, the risk of obesity; thus, studies investigating the role of genetic variations in genes related to oxidative stress could be useful for better understanding the etiology of obesity and its metabolic complications. The lack of existing literature reviews in this field encouraged us to gather the findings from studies focusing on the impact of single nucleotide polymorphisms in antioxidant enzymes, oxidative stress-producing systems and transcription factor genes concerning their association with obesity risk and its phenotypes. In the future, the characterization of these single nucleotide polymorphisms (SNPs) in obese patients could contribute to the development of controlled antioxidant therapies potentially beneficial for the treatment of obesity-derived metabolic complications.
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Affiliation(s)
- Azahara I Rupérez
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain
| | - Angel Gil
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain
| | - Concepción M Aguilera
- Department of Biochemistry and Molecular Biology II, Institute of Nutrition and Food Technology, Centre for Biomedical Research, University of Granada, 18100 Armilla, Granada, Spain.
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Influence of the C242T polymorphism of the p22-phox gene (CYBA) on the interaction between urinary sodium excretion and blood pressure in an urban Brazilian population. PLoS One 2013; 8:e81054. [PMID: 24339896 PMCID: PMC3855219 DOI: 10.1371/journal.pone.0081054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Accepted: 10/08/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Reactive oxygen species are implicated in the physiopathogenesis of salt-induced hypertension and the C242T polymorphism of the p22-phox gene has been associated with higher superoxide production. This study investigated the impact of this polymorphism on the relationship between urinary sodium excretion (USE) and blood pressure levels in an urban Brazilian population. METHODS We cross-sectionally evaluated 1,298 subjects from the city of Vitoria-ES, located in the Southeast region of Brazil, by clinical history, physical examination, anthropometry, analysis of laboratory parameters, USE measurement and p22-phox C242T polymorphism genotyping. RESULTS No significant differences in studied parameters were detected between the studied genotype groups (CC vs. CT+TT). Systolic blood pressure exhibited significant correlation with USE only in T allele carriers (r = 0.166; p<0.001), while diastolic blood pressure and hypertension status correlated with USE in both genotypes albeit more weakly in subjects with CC genotype (r = 0.098; p = 0.021 and r = 0.105; p = 0.013, respectively) than in T carriers (r = 0.236; p<0.001 and r = 0.213; p<0.001, respectively). Regression analyses adjusted for confounding factors showed that USE remained independently associated with systolic (p<0.001) and diastolic blood pressure (p<0.001) and hypertension status (p = 0.004) only in T allele carriers. Finally, higher diastolic and systolic blood pressure levels were detected in T allele carriers than in CC genotype individuals in the highest tertile of USE. CONCLUSIONS The p22-phox 242T allele is associated with higher blood pressure levels among subjects with higher USE in an urban Brazilian population.
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Qin YW, Peng J, Liang BY, Su L, Chen Q, Xie JJ, Gu L. The A930G polymorphism ofP22phox (CYBA) gene but not C242T variation is associated with hypertension: a meta-analysis. PLoS One 2013; 8:e82465. [PMID: 24349292 PMCID: PMC3857280 DOI: 10.1371/journal.pone.0082465] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 10/23/2013] [Indexed: 02/07/2023] Open
Abstract
Background Recently, it has been reported that the A930G and C242T polymorphisms within p22phox (CYBA) gene are involved in the pathogenesis of hypertension. However, the results remain controversial. Furthermore, no previous meta-analysis has been conducted to evaluate the relationship between the A930G and C242T polymorphisms and hypertension. Therefore, we performed this meta-analysis to clarify these controversies. Objective and Methods All of the included articles were retrieved from the PubMed and Embase databases, as well as the CNKI, CBM, Chongqing VIP and Wan Fang databases according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Odds ratios (OR) with corresponding 95% confidence intervals (CI) were used to assess the strength of the association. Accounting for heterogeneity, a fixed or random effects model was respectively adopted. Heterogeneity was checked using the Q test and the I2 statistic. A cumulative meta-analysis was conducted to estimate the tendency of pooled OR. Funnel plots and Egger’s tests were performed to test for possible publication bias. Results Five articles on A930G with 2003 cases/2434 controls and eight articles on C242T with 2644 cases/1967 controls were identified. A significant association of A930G polymorphisms with the risk of hypertension was found in the dominant model (OR=0.59, 95% CI: 0.38–0.92, p=0.021) and allelic model (OR=0.66, 95% CI: 0.46–0.95, p=0.024). In the stratified analysis, a significant association could be found among the hospital-based and population-based studies. However, no evidence of a significant association of the C242T polymorphism with hypertension was found in the overall analysis and subgroup analysis. Conclusions This meta-analysis indicates that the A930G polymorphism, but not the C242T variation, might be a protective factor for hypertension.
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Affiliation(s)
- Yu-Wang Qin
- First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Jiao Peng
- Pre-Clinical Faculty of Guangxi Medical University, Nanning, Guangxi, China
| | - Bao-Yun Liang
- First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Li Su
- School of Public Health of Guangxi Medical University, Nanning, Guangxi, China
| | - Qing Chen
- First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Juan-Juan Xie
- First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Lian Gu
- First Affiliated Hospital, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
- * E-mail:
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