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García-González I, Pérez-Mendoza G, Solís-Cárdenas A, Flores-Ocampo J, Herrera-Sánchez LF, Mendoza-Alcocer R, González-Herrera L. Genetic variants of PON1, GSTM1, GSTT1, and locus 9p21.3, and the risk for premature coronary artery disease in Yucatan, Mexico. Am J Hum Biol 2021; 34:e23701. [PMID: 34766662 DOI: 10.1002/ajhb.23701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/22/2021] [Accepted: 11/01/2021] [Indexed: 11/08/2022] Open
Abstract
OBJECTIVE Genetic variants of PON1, rs70587, rs662, rs854560, GSTM1, and GSTT1 and two single nucleotide polymorphisms (SNP) at 9p21.3 locus, rs1333049, and rs2383207; were evaluated in association with the risk for premature coronary artery disease (CAD) in a population of Yucatan, Mexico. These genes are involved in the inactivation of pro-oxidants and pro-inflammatory mediators, lipid and xenobiotic metabolism, detoxification of reactive oxygen species, and regulation of cellular proliferation playing key roles in the pathogenesis of atherosclerosis. METHODS We conducted a matched case-control study with 98 CAD cases and 101 healthy controls. Genotyping of PON1 and 9p21.2 SNP was performed by real time-PCR and for GSTM1 and GSTT1 with multiplex-PCR. Odds ratios (OR) were calculated to estimate association and generalized multifactor dimensionality reduction (GMDR) algorithm to identify gene-gene and gene-environment interactions. RESULTS The distribution of all allele/genotype frequencies in controls was within Hardy-Weinberg expectations (p > .05) except for GSTM1. The allele/genotype frequencies of the GSTT1 null were significantly higher in CAD cases than in controls, suggesting association with higher risk for developing CAD. The other SNPs did not show any significant independent association with premature CAD. GMDR revealed a significant interaction between GSTT1 and LL55 genotype. Likewise, the body mass index (BMI) and smoking also showed an interaction with GSTT1. CONCLUSION The GSTT1 null allele/genotype is associated with an increased risk of developing premature CAD, the effect of which is not modified by cardiovascular risk factors in the population of Yucatan.
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Affiliation(s)
- Igrid García-González
- Laboratorio de Genética, Centro de Investigaciones Regionales 'Dr. Hideyo Noguchi', Universidad Autónoma de Yucatán (UADY), Mérida, Yucatán, Mexico
| | - Gerardo Pérez-Mendoza
- Laboratorio de Genética, Centro de Investigaciones Regionales 'Dr. Hideyo Noguchi', Universidad Autónoma de Yucatán (UADY), Mérida, Yucatán, Mexico
| | | | - Jorge Flores-Ocampo
- Servicio de Cardiología, Hospital Regional del ISSSTE, Mérida, Yucatán, Mexico
| | | | - Renan Mendoza-Alcocer
- Centro Estatal de la transfusión sanguínea, Servicios de Salud de Yucatán, Mérida, Yucatán, Mexico
| | - Lizbeth González-Herrera
- Laboratorio de Genética, Centro de Investigaciones Regionales 'Dr. Hideyo Noguchi', Universidad Autónoma de Yucatán (UADY), Mérida, Yucatán, Mexico
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Sharma AR, Patagi S, Uk AR, Shetty R, Umakanth S, Satyamoorthy K, Rai PS. MirSNPs in clopidogrel metabolism genes predict cardiovascular disease risk: a case-control study and meta-analysis. Pharmacogenomics 2020; 22:99-113. [PMID: 33356544 DOI: 10.2217/pgs-2020-0110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: The present study was conducted to decipher the inter-relationship of SNPs and miRNAs involved in pharmacogenomics of clopidogrel on predisposition to cardiovascular diseases (CVDs). Materials & methods: A case-control study was conducted on 410 cases and 386 controls to analyze the association of 13 mirSNPs on CVDs risk. Genotyping was performed by tetra-primer amplification refractory mutation system PCR and validated using Sanger DNA sequencing. miRNA expression analysis was performed using TaqMan assays. A meta-analysis was performed for PON1 rs662 with coronary artery disease. Results & conclusion: PON1 rs662, PON1 rs3917577, CYP3A5 rs15524, COL4A1 rs874204 and PTGIR rs1126510 polymorphisms showed association with CVDs. The miRNA hsa-miR-224-5p showed differential expression in the PON1 rs3917577 GG genotype. The meta-analysis showed the population-specific impact of PON1 rs662 on South Asian and Middle East populations.
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Affiliation(s)
- Anu Radha Sharma
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Sourav Patagi
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Abdul Razak Uk
- Department of Cardiology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Ranjan Shetty
- Department of Cardiology, Kasturba Medical College, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Shashikiran Umakanth
- Department of Medicine, Dr. T.M.A. Pai Rotary Hospital, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Kapaettu Satyamoorthy
- Department of Cell & Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Padmalatha S Rai
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
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González-Castro TB, Tovilla-Zárate CA, Juárez-Rojop IE, Hernández-Díaz Y, López-Narváez ML, Rodríguez-Pérez C, González-Hernández YK, Ramos-Méndez MÁ. PON2 and PPARG polymorphisms as biomarkers of risk for coronary heart disease. Biomark Med 2018; 12:287-297. [DOI: 10.2217/bmm-2017-0227] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Aim: Investigate the correlation between paraoxonase 2 (PON2) Ser311Cys polymorphism as well as the peroxisome proliferator-activated receptor gamma (PPARG) His477His polymorphism and the susceptibility to development of coronary heart diseases (CHD) through a meta-analysis. Methods: Odds ratio and the corresponding 95% CI were used to assess the results. We included 7476 CHD patients and 8504 healthy controls. All the statistical analyses were performed by Comprehensive Meta-Analysis software (CMA, version 2.0). Results: The Ser311Cys polymorphism decreased susceptibility in the overall population and Asian population to CHD. The His477His polymorphism has a protective role in the overall population; however, the subgroup analysis by ethnicity suggested that in Asian population, His477His might increase the risk of CHD. Conclusion: These polymorphisms constitute important predictive indicators of CHD susceptibility.
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Affiliation(s)
- Thelma Beatriz González-Castro
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, 86205, Tabasco, México
| | - Carlos Alfonso Tovilla-Zárate
- División Académica Multidisciplinaria de Comalcalco, Universidad Juárez Autónoma de Tabasco, Comalcalco, 86650, Tabasco, México
| | - Isela Esther Juárez-Rojop
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, 86100, Tabasco, México
| | - Yazmín Hernández-Díaz
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, 86205, Tabasco, México
| | | | - Candelario Rodríguez-Pérez
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, 86205, Tabasco, México
| | - Yahaira Karina González-Hernández
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, 86205, Tabasco, México
| | - Miguel Ángel Ramos-Méndez
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, 86205, Tabasco, México
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Hernández-Díaz Y, Tovilla-Zárate CA, Juárez-Rojop IE, González-Castro TB, Rodríguez-Pérez C, López-Narváez ML, Rodríguez-Pérez JM, Cámara-Álvarez JF. Effects of paraoxonase 1 gene polymorphisms on heart diseases: Systematic review and meta-analysis of 64 case-control studies. Medicine (Baltimore) 2016; 95:e5298. [PMID: 27858903 PMCID: PMC5591151 DOI: 10.1097/md.0000000000005298] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Associations between paraoxonase 1 (PON1) gene polymorphisms and heart diseases (HD) risk remain inconsistent. In order to obtain address this issue we performed a meta-analysis to assess the association between the L55M and Q192R polymorphisms of PON1 gene and heart diseases risk. METHODS Relevant studies were enrolled by searching databases systematically. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to calculate the strength of association. Subgroup analyses were conducted for diagnostic and ethnicity. The heterogeneity among each of the studies was calculated by using Cochran Qtest and the inconsistency index (I), and Begg's funnel plot and Egger's tests were performed to evaluate publication bias. RESULT Sixty four studies involving a total of 19,715 cases and 33,397 controls were included in this meta-analysis. We found that the L55M polymorphism showed a significant association with heart diseases in Europeans (OR 1.44, 95%CI 1.33-1.56) and Asians (OR 1.18, 95%CI 1.03-1.35). This meta-analysis also showed a protective association of Q192R polymorphism with HD in Asian (OR 0.49, 95%CI 0.37-0.66) and African populations (OR 0.67, 95%CI 0.53-0.84). The 192R allele significantly decreased the risk of myocardial infarction (OR 0.75, 95%CI 0.57-0.99) and coronary artery disease (OR 0.91, 95%CI 0.84-0.98); however, individuals with 192Q allele had a markedly increased risk of coronary artery disease development (OR 1.38, 95%CI 1.22-1.56). CONCLUSION This study demonstrated that the genetic risk for heart diseases is associated with the PON1 gene polymorphisms. L55M polymorphism is a risk factor and Q192R polymorphism is protective in certain populations. It is worth noting that the 192Q allele may be a risk factor to develop coronary artery disease.
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Affiliation(s)
- Yazmín Hernández-Díaz
- Juarez Autonomous University of Tabasco, Multidisciplinary Academic Division of Jalpa de Mendez Jalpa de Mendez
| | | | | | - Thelma Beatriz González-Castro
- Juarez Autonomous University of Tabasco, Multidisciplinary Academic Division of Jalpa de Mendez Jalpa de Mendez
- Correspondence: Thelma Beatriz González Castro, Academic Division Multidisciplinary Jalpa de Méndez, Road Nacajuca-Jalpa de Mendez, Rancheria Rivera Alta, P.C. 86205, Jalpa de Mendez, Tabasco, Mexico (e-mail: )
| | - Candelario Rodríguez-Pérez
- Juarez Autonomous University of Tabasco, Multidisciplinary Academic Division of Jalpa de Mendez Jalpa de Mendez
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Bounafaa A, Berrougui H, Ghalim N, Nasser B, Bagri A, Moujahid A, Ikhlef S, Camponova P, Yamoul N, Simo OK, Essamadi A, Khalil A. Association between Paraoxonase 1 (PON1) Polymorphisms and the Risk of Acute Coronary Syndrome in a North African Population. PLoS One 2015; 10:e0133719. [PMID: 26241956 PMCID: PMC4524730 DOI: 10.1371/journal.pone.0133719] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 07/01/2015] [Indexed: 01/27/2023] Open
Abstract
The purpose of the present study was to investigate the distribution of PON1 Q192R and L55M polymorphisms and activities in a North African population and to determine their association with cardiovascular complications. The prevalence of the QQ, QR, RR, LL, LM, and MM genotypes in the study population was 55.4%, 34.09%, 9.83%, 41.97%, 48.20%, and 9.83% respectively. The Q, R, L, and M alleles had a gene frequency of 0.755, 0.245, 0.67, and 0.33, respectively. The PON1 192 RR genotype was significantly more prevalent among ACS patients than among healthy subjects. There was a 4.33-fold increase in the risk of ACS in subjects presenting the PON1 192 RR genotype compared to those with the QQ genotype (OR=4.33; 95% CI=1.27–17.7). There was a significantly different distribution of PON1 L55M in the ACS patient groups (UA, STEMI, NSTEMI). Moreover, individuals presenting the PON1 55MM genotype present a higher risk for ACS than those with LL genotype (OR=3.69; 95% CI=1.61–11.80). Paraoxonase activities were significantly lower in coronary patients than in healthy subjects. The decrease in PON1 activity was inversely correlated with the number of concomitant risk factors for CVD (r=0.57, p<0.0001). The results of the present study suggested that the PON1 R and M alleles may play a role in the pathogenesis of cardiac ischemia in our North African population and that a decrease in PON1 activity may be a valuable marker for monitoring the development of the atherosclerosis process and the associated cardiovascular complications.
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Affiliation(s)
- Abdelghani Bounafaa
- Laboratory of Biochemistry & Neuroscience, Applied Biochemistry and Toxicology Team, Faculty of Sciences and Technology, Hassan First University, Settat, Morocco
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Hicham Berrougui
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
- Department of Biology, Polydisciplinary Faculty, Sultan Moulay Sliman University, Beni-Mellal, Morocco
| | - Noreddine Ghalim
- Laboratory of Biochemistry, Pasteur Institute of Morocco, Casablanca, Morocco
| | - Boubker Nasser
- Laboratory of Biochemistry & Neuroscience, Applied Biochemistry and Toxicology Team, Faculty of Sciences and Technology, Hassan First University, Settat, Morocco
| | - Abdallah Bagri
- Laboratory of Biochemistry & Neuroscience, Applied Biochemistry and Toxicology Team, Faculty of Sciences and Technology, Hassan First University, Settat, Morocco
| | - Abderrahmane Moujahid
- Laboratory of Biochemistry & Neuroscience, Applied Biochemistry and Toxicology Team, Faculty of Sciences and Technology, Hassan First University, Settat, Morocco
| | - Souad Ikhlef
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Pamela Camponova
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Najoua Yamoul
- Cardiology Service, Ibn Rochd University Hospital Center, Casablanca, Morocco
| | - Olivier Kamtchueng Simo
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
| | - Abdelkhalid Essamadi
- Laboratory of Biochemistry & Neuroscience, Applied Biochemistry and Toxicology Team, Faculty of Sciences and Technology, Hassan First University, Settat, Morocco
| | - Abdelouahed Khalil
- Department of Medicine, Geriatrics Service, Faculty of Medicine and Biological Sciences, University of Sherbrooke, Sherbrooke, Quebec, Canada
- * E-mail:
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Martinelli N, Consoli L, Girelli D, Grison E, Corrocher R, Olivieri O. Paraoxonases: ancient substrate hunters and their evolving role in ischemic heart disease. Adv Clin Chem 2013; 59:65-100. [PMID: 23461133 DOI: 10.1016/b978-0-12-405211-6.00003-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Interest in the role of paraoxonases (PON) in cardiovascular research has increased substantially over the past two decades. These multifaceted and pleiotropic enzymes are encoded by three highly conserved genes (PON1, PON2, and PON3) located on chromosome 7q21.3-22.1. Phylogenetic analysis suggests that PON2 is the ancient gene from which PON1 and PON3 arose via gene duplication. Although PON are primarily lactonases with overlapping, but distinct specificities, their physiologic substrates remain poorly characterized. The most interesting characteristic of PON, however, is their multifunctional roles in various biochemical pathways. These include protection against oxidative damage and lipid peroxidation, contribution to innate immunity, detoxification of reactive molecules, bioactivation of drugs, modulation of endoplasmic reticulum stress, and regulation of cell proliferation/apoptosis. In general, PON appear as "hunters" of old and new substrates often involved in athero- and thrombogenesis. Although reduced PON activity appears associated with increased cardiovascular risk, the correlation between PON genotype and ischemic heart disease remains controversial. In this review, we examine the biochemical pathways impacted by these unique enzymes and investigate the potential use of PON as diagnostic tools and their impact on development of future therapeutic strategies.
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Affiliation(s)
- Nicola Martinelli
- Department of Medicine, Section of Internal Medicine, University of Verona, Verona, Italy.
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Rejeb J, Omezzine A, Rebhi L, Boumaiza I, Mabrouk H, Rhif H, Rejeb NB, Nabli N, Douki W, Abdelaziz AB, Boughzala E, Bouslama A. Association of PON1 and PON2 polymorphisms with PON1 activity and significant coronary stenosis in a Tunisian population. Biochem Genet 2012; 51:76-91. [PMID: 23053877 DOI: 10.1007/s10528-012-9544-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2011] [Accepted: 06/20/2012] [Indexed: 12/31/2022]
Abstract
PON1 and PON2 have attracted considerable attention as candidate genes for coronary heart disease because their enzymes function as key factors in lipoprotein catabolism pathways. We studied the distribution of PON1 and PON2 polymorphisms, including genotyping, lipid profile, and PON1 activity, and their association with PON1 activity and significant coronary stenosis (SCS) in a Tunisian population. PON1 activity was lower in patients with SCS than in controls. It increased with the R allele (QQ < QR < RR) in PON1-192 genotypes and with the L allele (MM < ML < LL) in PON1-55 genotypes. In the presence of metabolic syndrome and diabetes, PON1-192RR and PON2-311CC were associated with an increased risk of SCS and PON1-55MM seems to have lower risk. This association was evident among nonsmokers for PON1-55MM and among smokers for PON1-192RR and PON2-311CC. The GTGC haplotype seemed to increase the risk of SCS compared with the wild haplotype in a Tunisian population.
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Affiliation(s)
- Jihène Rejeb
- Department of Biochemistry, UR MSP 28/04, Sahloul University Hospital, 4054, Sousse, Tunisia
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The Past and Present of Paraoxonase Enzyme: Its Role in the Cardiovascular System and Some Diseases. J Med Biochem 2012. [DOI: 10.2478/v10011-012-0006-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The Past and Present of Paraoxonase Enzyme: Its Role in the Cardiovascular System and Some DiseasesAlthough paraoxonase is synthesized in many tissues including the heart, colon, kidneys, lungs, small intestines and brain, its major locus of synthesis is the liver. PON1 is in close association with apolipoproteins and protects LDL against oxidation. It was reported that PON1 quantities dropped to 40 times lower than normal in cardiovascular diseases and diseases like diabetes, ulcerative colitis, Crohn's disease, chronic renal failure, SLE, Behcet's disease, cancer, hepatitis B, obesity, metabolic syndrome, Alzheimer's and dementia. It is speculated that the concerning decline in serum PON1 amount results from single nucleotide polymorphism in the coding (Q192R, L55M) and promoter (T-108C) sites of the PON1 gene. Additionally, circulating amounts of PON1 are affected by vitamins, antioxidants, fatty acids, dietary factors, drugs, age and lifestyle. This collection attempts to review and examine the past and present studies of paraoxonase and its relation with the cardiovascular system and some relevant diseases.
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Paraoxonase-1 55 LL Genotype Is Associated with No ST-Elevation Myocardial Infarction and with High Levels of Myoglobin. J Lipids 2012; 2012:601796. [PMID: 22536511 PMCID: PMC3321459 DOI: 10.1155/2012/601796] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Accepted: 01/19/2012] [Indexed: 11/18/2022] Open
Abstract
It is well known that serum paraoxonase (PON1) plays an important role in the protection of LDL from oxidation. PON1 55 polymorphism is currently investigated for its possible involvement in cardiovascular diseases. The objective of our study is to verify if PON1 55 polymorphism is associated with risk of acute coronary syndrome (ACS) and with biochemical myocardial ischemia markers, such as troponin I, creatine kinase (CK)-MB, myoglobin, and C-reactive protein. We analysed PON1 55 polymorphism in a total of 440 elderly patients who underwent an ACS episode: 98 patients affected by unstable angina (UA), 207 AMI (acute myocardial infarction) patients affected by STEMI (ST elevation), and 135 AMI patients affected by NSTEMI (no ST elevation). We found that individuals carrying PON1 55 LL genotype are significantly more represented among AMI patients affected by NSTEMI; moreover, the patients carrying LL genotype showed significantly higher levels of myoglobin in comparison to LM + MM carriers patients. Our study suggests that PON1 55 polymorphism could play a role in the pathogenesis of cardiac ischemic damage. In particular, the significant association between PON1 55 LL genotype and the occurrence of a NSTEMI may contribute to improve the stratification of the cardiovascular risk within a population.
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She ZG, Chen HZ, Yan Y, Li H, Liu DP. The human paraoxonase gene cluster as a target in the treatment of atherosclerosis. Antioxid Redox Signal 2012; 16:597-632. [PMID: 21867409 PMCID: PMC3270057 DOI: 10.1089/ars.2010.3774] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The paraoxonase (PON) gene cluster contains three adjacent gene members, PON1, PON2, and PON3. Originating from the same fungus lactonase precursor, all of the three PON genes share high sequence identity and a similar β propeller protein structure. PON1 and PON3 are primarily expressed in the liver and secreted into the serum upon expression, whereas PON2 is ubiquitously expressed and remains inside the cell. Each PON member has high catalytic activity toward corresponding artificial organophosphate, and all exhibit activities to lactones. Therefore, all three members of the family are regarded as lactonases. Under physiological conditions, they act to degrade metabolites of polyunsaturated fatty acids and homocysteine (Hcy) thiolactone, among other compounds. By detoxifying both oxidized low-density lipoprotein and Hcy thiolactone, PONs protect against atherosclerosis and coronary artery diseases, as has been illustrated by many types of in vitro and in vivo experimental evidence. Clinical observations focusing on gene polymorphisms also indicate that PON1, PON2, and PON3 are protective against coronary artery disease. Many other conditions, such as diabetes, metabolic syndrome, and aging, have been shown to relate to PONs. The abundance and/or activity of PONs can be regulated by lipoproteins and their metabolites, biological macromolecules, pharmacological treatments, dietary factors, and lifestyle. In conclusion, both previous results and ongoing studies provide evidence, making the PON cluster a prospective target for the treatment of atherosclerosis.
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Affiliation(s)
- Zhi-Gang She
- National Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People's Republic of China
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Four genetic polymorphisms of paraoxonase gene and risk of coronary heart disease: a meta-analysis based on 88 case-control studies. Atherosclerosis 2010; 214:377-85. [PMID: 21146823 DOI: 10.1016/j.atherosclerosis.2010.11.028] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2010] [Revised: 11/12/2010] [Accepted: 11/12/2010] [Indexed: 01/10/2023]
Abstract
OBJECTIVE The human paraoxonase (PON) is calcium dependent HDL associated ester hydrolase which has attracted considerable attention as a candidate gene for coronary heart disease based on its enzyme function as a key factor in lipoprotein catabolism pathways. Many studies have examined the association between polymorphisms in the PON gene and risk of coronary heart disease (CHD), but the results have been inconsistent. METHODS We conducted a meta-analysis of 88 studies on 4 PON polymorphisms [Q192R, L55M, and T(-107)C in the PON1 and the S311C in the PON2] published before August 2010, including a total of 24,702 CHD cases and 38,232 controls. We also systematically explored potential sources of heterogeneity. RESULT In a combined analysis, the summary per-allele odds ratio for CHD of the 192R was 1.11 (95% CI: 1.05-1.17). However, when the analyses were restricted to 10 larger studies (n>500 cases), the summary per-allele odds ratio was 0.96 (95% CI: 0.90-1.02). Our analyses detected a possibility of publication bias with an overestimate of the true association by smaller studies. A meta-analysis of studies on the 55M, (-107)T, and 311C variant showed no significant overall association with CHD, yielding a per-allele odds ratio of 0.94 (95% CI: 0.88-1.00), 1.02 (95% CI: 0.91-1.15) and 1.02 (95% CI: 0.90-1.16) respectively. CONCLUSIONS This meta-analysis suggested an overall weak association between the R192 polymorphism and CHD risk.
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Abstract
Paraoxonase (PON) has anti-atherogenic activity. Considering the important role of polymorphism in the genetic susceptibility to cardiovascular disease and the variability of its allele frequencies in different ethnic groups, the distribution of genotypes and allele frequencies of PON1M55L, PON1Q192R, PON2A148G, and PON2S311C polymorphisms was analyzed in a total 988 South-western Koreans and determined their effects on lipid parameters. The genotype distribution of PON1 at position 55 was LL=0.886, LM=0.114; and at position 192 was QQ=0.406, QR=0.594. The frequencies of the PON1 55L allele and the PON1 192R allele were similar to those seen in Chinese populations and Western populations, respectively. The genetic distribution of PON2 at position 148 was AA=0.619, AG=0.345, GG=0.035; and at position 311 was CC=0.035, SC=0.345, SS=0.619. The frequencies of the PON2 148G and 311S alleles were similar to those seen in Chinese populations. The concentrations of LDL and ApoB were significantly different between the PON2A148G (P<0.05) and PON2 S311C polymorphisms (P<0.01). PON polymorphisms and allele frequencies were described in Koreans living south-western part of Korea. These ethnic variations are considered important in the interpretation of diseases associated with PON polymorphisms.
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Affiliation(s)
- Byoung-Soo Shin
- Department of Neurology, Chonbuk National University Hospital and Medical School, Deokjin-gu, Jeonju, Korea.
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Martinelli N, Girelli D, Olivieri O, Guarini P, Bassi A, Trabetti E, Friso S, Pizzolo F, Bozzini C, Tenuti I, Annarumma L, Schiavon R, Franco Pignatti P, Corrocher R. Novel serum paraoxonase activity assays are associated with coronary artery disease. Clin Chem Lab Med 2009; 47:432-40. [PMID: 19275503 DOI: 10.1515/cclm.2009.108] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Serum paraoxonase (PON1) exerts antiatherogenic effects. Novel PON1 enzymatic tests have been recently developed: 5-thiobutyl butyrolactone (TBBL) estimates PON1 lactonase activity, whereas 7-O-diethylphosphoryl-3-cyano-4-methyl-7-hydroxycoumarin (DEPCyMC) is considered a surrogate marker of PON1 concentration. The TBBL to DEPCyMC ratio provides the normalized lactonase activity (NLA), which may reflect the degree of PON1 lactonase catalytic stimulation. The aim of this study was to evaluate for the first time TBBLase and DEPCyMCase activity in patients with coronary artery disease (CAD). METHODS An angiography-based case-control study was conducted, including 300 sex- and age-matched subjects [100 CAD-free, 100 CAD without myocardial infarction (MI) and 100 CAD with MI]. RESULTS A low DEPCyMCase activity (lowest vs. highest tertile: OR 2.96, 95% CI 1.18-7.43) and a high NLA (highest vs. lowest tertile: OR 3.25, 95% CI 1.28-8.26) were both associated with CAD, independent of classical atherosclerosis risk factors, lipid-lowering therapy and PON1 genotype. Total TBBLase activity was, however, not different in CAD compared to CAD-free subjects. CONCLUSIONS Novel PON1 activity assays may be associated with CAD. In this study, CAD patients had low DEPCyMCase activity, a possible marker of low PON1 concentration, but showed a high stimulation of PON1 lactonase activity.
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Affiliation(s)
- Nicola Martinelli
- Department of Clinical and Experimental Medicine, University of Verona, Verona, Italy.
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Aydin M, Gokkusu C, Ozkok E, Tulubas F, Unlucerci Y, Pamukcu B, Ozbek Z, Umman B. Association of genetic variants in Methylenetetrahydrofolate Reductase and Paraoxonase-1 genes with homocysteine, folate and vitamin B12 in coronary artery disease. Mol Cell Biochem 2009; 325:199-208. [DOI: 10.1007/s11010-009-0038-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2008] [Accepted: 01/28/2009] [Indexed: 01/17/2023]
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Gaidukov L, Tawfik DS. The development of human sera tests for HDL-bound serum PON1 and its lipolactonase activity. J Lipid Res 2007; 48:1637-46. [PMID: 17435182 DOI: 10.1194/jlr.d600045-jlr200] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Serum paraoxonase (PON1) is a lipolactonase that associates with HDL-apolipoprotein A-I (HDL-apoA-I) and thereby plays a role in the prevention of atherosclerosis. Current sera tests make use of promiscuous substrates and provide no indications regarding HDL-PON1 complex formation. We developed new enzymatic tests that detect total PON1 levels, irrespective of HDL status and R/Q polymorphism, as well as the degree of catalytic stimulation and increased stability that follow PON1's tight binding to HDL-apoA-I. The tests are based on measuring total PON1 levels with a fluorogenic phosphotriester, measuring the lipolactonase activity with a chromogenic lactone, and assaying the enzyme's chelator-mediated inactivation rate. The latter two are affected by tight HDL binding and thereby derive the levels of the serum PON1-HDL complex. We demonstrate these new tests with a group of healthy individuals (n=54) and show that the levels of PON1-HDL vary by a factor of 12. Whereas the traditionally applied paraoxonase and arylesterase tests weakly reflect PON1-HDL levels (R=0.64), the lipolactonase test provides better correlation (R=0.80). These new tests indicate the levels and activity of PON1 in a physiologically relevant context as well as the levels and quality of the HDL particles with which the enzyme is associated.
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Affiliation(s)
- Leonid Gaidukov
- Department of Biological Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
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Rios DLS, D'Onofrio LO, Cerqueira CCS, Bonfim-Silva R, Carvalho HG, Santos-Filho A, Galvão-Castro B. Paraoxonase 1 gene polymorphisms in angiographically assessed coronary artery disease: evidence for gender interaction among Brazilians. ACTA ACUST UNITED AC 2007; 45:874-8. [PMID: 17617030 DOI: 10.1515/cclm.2007.136] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractClin Chem Lab Med 2007;45:874–8.
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Affiliation(s)
- Domingos L S Rios
- Laboratório de Genética Molecular, Universidade Estadual do Sudoeste da Bahia (UESB), Jequié, BA, Brazil.
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Kerkeni M, Addad F, Chauffert M, Chuniaud L, Miled A, Trivin F, Maaroufi K. Hyperhomocysteinemia, paraoxonase activity and risk of coronary artery disease. Clin Biochem 2006; 39:821-5. [PMID: 16875684 DOI: 10.1016/j.clinbiochem.2006.05.010] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2006] [Revised: 05/01/2006] [Accepted: 05/18/2006] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Paraoxonase-1 (PON1) detoxifies homocysteine thiolactone (HcyT) in human blood and could thus delay the development of atherosclerosis. We investigated (a) PON1 activity and polymorphisms, and (b) the relationship between PON1 activity, homocysteine (Hcy) and the severity of CAD patients in Tunisian population. DESIGN AND METHODS We used PCR-RFLP analysis to detect the Q192R and L55M variants of the PON1 gene in 100 patients with CAD and in 120 healthy controls. Paraoxonase activity was measured spectrophotometrically using phenylacetate as a substrate. Total plasma homocysteine concentrations were determined by direct chemiluminescence assay. RESULTS We found an increased Hcy level in CAD patients compared to the control group (15.86+/-8.63 vs. 11.9+/-3.25 micromol/L respectively, P<0.001), and a decrease in PON1 activity in CAD patients as compared to the control group (117+/-56 vs. 181+/-73 U/mL respectively, P<0.001). PON1 Q192R and L55M polymorphisms were not associated with the presence of CAD (P=0.592, P=0.294, respectively). However, we found that PON1 activity is lower with the PON1 192RR than with PON1 192QQ genotypes in the study population. Furthermore, there were no association between PON1 L55M polymorphism and PON1 activity. We showed a significant decrease in PON1 activity in CAD patients presenting 0- to 3-vessel stenosis (155+/-39; 135+/-36; 103+/-22; 77+/-24 U/mL, respectively; P<0.001). CONCLUSION In this study, we showed that low PON1 activity is associated with the PON1 192RR genotypes and associated with the severity of CAD in the Tunisian population. We hypothesize that high level of Hcy together with low PON1 activity results in an increased plasma HcyT plasma concentration leading to protein N-homocysteinylation and the development and progression of atherosclerosis.
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Affiliation(s)
- Mohsen Kerkeni
- Research Unit 03/UR/08-14, Faculty of Pharmacy, Monastir, Tunisia, and Department of Biochemistry, Hospital Saint-Joseph, 75014 Paris, France.
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