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PON1 gene

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https://www.readbyqxmd.com/read/28821001/influence-on-serum-asymmetric-dimethylarginine-adma-concentrations-of-human-paraoxonase-1-polymorphism-q192r-and-exposure-to-polycyclic-aromatic-hydrocarbons-pahs-in-mexican-women-a-gene-environment-interaction
#1
Ángeles C Ochoa-Martínez, Tania Ruíz-Vera, Claudia I Almendarez-Reyna, Sandra T Orta-García, Iván N Pérez-Maldonado
It has been demonstrated that Cardiovascular Diseases (CVD) are a consequence of the combination of genetic and environmental factors and/or the interaction between them. Therefore, the aim of this study was to evaluate the impact of polycyclic aromatic hydrocarbon (PAHs) exposure and PON1 Q192R polymorphism (genetic susceptibility) on serum asymmetric dimethylarginine (ADMA) levels in Mexican women (n = 206). Urinary 1-hydroxypyrene concentrations (1-OHP; exposure biomarker for PAHs) were quantified using a high-performance liquid chromatography technique, PON1 Q192R polymorphism was genotyped using TaqMan probes and serum ADMA concentrations were evaluated using a commercially available ELISA kit...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28792790/recent-developments-and-future-directions-for-the-use-of-pharmacogenomics-in-cardiovascular-disease-treatments
#2
Andrew Levy, Elliot Berinstein
Cardiovascular disease is still the leading cause of death worldwide. There are many environmental and genetic factors that play a role in the development of cardiovascular disease. The treatment of cardiovascular disease is beginning to move in the direction of personalized medicine by using biomarkers from patient's genome to design more effective treatment plans. Pharmacogenomics have already uncovered many links between genetic variation and response of many different drugs. Areas covered: This article will focus on the main polymorphisms that impact the risk of adverse effects and response efficacy of statins, clopidogrel, aspirin, β-blockers, warfarin dalcetrapib and vitamin E...
August 9, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28779954/paraoxonase-1-pon1-and-stroke-the-dilemma-of-the-genetic-variation
#3
REVIEW
Amir Tajbakhsh, Mehdi Rezaee, Mahdi Rivandi, Faranak Forouzanfar, Fahimeh Afzaljavan, Alireza Pasdar
Ischaemic stroke, which is mostly caused by atherosclerosis, is one of the most widely causes of mortality and morbidity. One of the most important enzymatic activities of paraoxonase-1 (PON1) in association with high-density lipoprotein (HDL) is the prevention of low-density lipoprotein (LDL) oxidation, which gives it an anti-atherogenic activity. PON1 expression and activity is influenced by various factors; the most important of which is genetic polymorphism, mainly single nucleotide polymorphisms (SNPs)...
August 2, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28761062/t2diacod-a-gene-atlas-of-type-2-diabetes-mellitus-associated-complex-disorders
#4
Jyoti Rani, Inna Mittal, Atreyi Pramanik, Namita Singh, Namita Dube, Smriti Sharma, Bhanwar Lal Puniya, Muthukurussi Varieth Raghunandanan, Ahmed Mobeen, Srinivasan Ramachandran
We performed integrative analysis of genes associated with type 2 Diabetes Mellitus (T2DM) associated complications by automated text mining with manual curation and also gene expression analysis from Gene Expression Omnibus. They were analysed for pathogenic or protective role, trends, interaction with risk factors, Gene Ontology enrichment and tissue wise differential expression. The database T2DiACoD houses 650 genes, and 34 microRNAs associated with T2DM complications. Seven genes AGER, TNFRSF11B, CRK, PON1, ADIPOQ, CRP and NOS3 are associated with all 5 complications...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28752728/evaluation-of-on-clopidogrel-platelet-reactivity-overtime-syntax-score-genetic-polymorphisms-and-their-relationship-to-one-year-clinical-outcomes-in-stemi-patients-undergoing-pci
#5
Harsha V Erathi, Rajasekhar Durgaprasad, Vanajakshamma Velam, P V Sarma, Madhavi Rodda, C Kapil, Sreedhar N Kanavath
OBJECTIVES: To investigate the variability of On-clopidogrel platelet reactivity overtime, the association between HTPR, gene polymorphism and Syntax Score (SS) for risk prediction of MACE in patients with ST-Elevation Myocardial Infarction (STEMI) undergoing percutaneous coronary intervention (PCI). BACKGROUND: Platelet function testing may be used to optimize antiplatelet therapy in high risk patients, but identification of this subset of patients remains a challenge...
July 27, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28721150/phenotype-distribution-of-the-paraoxonase-gene-in-patients-with-cardiac-disease
#6
Hamit Yasar Ellidag, Ozgur Aydin, Esin Eren, Necat Yilmaz, Tugra Gencpinar, Selcuk Kucukseymen, Akar Yilmaz, Fatma Demet Arslan Ince
INTRODUCTION: Paraoxonase (PON1) is an enigmatic enzyme with multiple enzymatic properties including arylesterase and lactonase activities besides its ability to hydrolyze the toxic metabolite of parathion, paraoxon. The aim of this study was to determine the phenotype distribution of PON1 in patients with cardiac disease who were classified in coronary artery bypass grafting (CABG), heart valve disease (HVD), heart failure (HF) and ST elevation myocardial infarction (STEMI) groups and healthy subjects as a control group...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28670394/pfp-alleviates-nonalcoholic-steatohepatitis-fatty-liver-in-both-apo-e-mice-and-changliver-cell-s
#7
Dong Yan, Yuan-Yuan Wei, Xiu-Mei Li, Xiu-Chao Sun, Zhong Wang, Haji Akber Aisa
High-calorie food leads to nonalcoholic fatty liver disease (NAFLD) through the dysregulation of genes involved in lipid metabolism, but the precise mechanism is still unknown. Pomegranate flowers are used to treat diabetes mellitus in traditional Uighur medicine. Here we sought to investigate the effect and mechanism of pomegranate flower polyphenols (PFP) on NAFLD Apo E(-/-) mice induced by a high-fat diet (HFD) and whether PFP improves NAFLD through decreasing oxidative stress. PFP supplementation in mice significantly reduced the HFD-induced gains in body weight compared with the mice fed only with HFD...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28657841/association-between-dementia-and-vascular-disease-associated-polymorphisms-in-a-tunisian-population
#8
Hamdouni Haithem, Achour Ons, Naija Salma, Rejeb Jihène, Aounallah Mariam, Mhiri Mariem, Noureddine Mariem, Ben Rejeb Nabila, Omezzine Asma, Ben Amor Sana, Benammou Sofien, Bouslama Ali
Dementia is a multifactorial idiopathic pathology caused by clinical, environmental and genetic factors. Hence its etiology is still unknown. We aimed to evaluate the association between five genetic risk factors for vascular diseases and dementia individually and when gathered in haplotypes. We enrolled 200 dementia patients and 300 controls. All subjects were genotyped for vascular disease-associated polymorphisms in the genes coding for Apolipoprotein-E (ApoE), Angiotensin Converting Enzyme (ACE) and Paraoxonase-1 (PON1)...
June 28, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28648695/the-usefulness-of-advanced-lipid-and-oxidative-stress-testing-for-diagnosis-and-management-of-low-hdl-cholesterol-phenotype-a-case-report
#9
Vladimir Kuburovic, Jelena Vekic, Aleksandra Zeljkovic, Alain Carrie, Jelena Kotur-Stevuljevic, Dragana Bojanin, Jovan Kosutic, Vesna Spasojevic-Kalimanovska, Milica Miljkovic, Nina Kuburovic, Philippe Couvert
OBJECTIVE: Plasma high-density lipoprotein cholesterol (HDL-C) level is a strong inverse predictor of cardiovascular disease (CVD) development. Tangier disease, a consequence of mutations in the ATP binding cassette transporter 1 (ABCA1) gene, is associated with very low HDL-C levels. Still, the relationship between Tangier disease and CVD is not always evident. The study investigates usefulness of lipoprotein subfractions, oxidative stress and paraoxonase 1 (PON1) status assessment for evaluation and management of patient with low HDL-C phenotype...
June 22, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28623808/role-of-polyphenols-and-polyphenol-rich-foods-in-the-modulation-of-pon1-activity-and-expression
#10
REVIEW
Daniela Martini, Cristian Del Bo', Marisa Porrini, Salvatore Ciappellano, Patrizia Riso
Paraoxonase 1 (PON1) is a high-density lipoprotein (HDL)-associated enzyme involved in the protection of low-density lipoprotein and HDLs against lipid peroxidation. Several studies documented the capacity of polyphenols to stimulate PON1 transcription activation. The objective of the present review is to provide the main evidence about the role and the potential mechanism of action of polyphenols and polyphenol-rich foods in the modulation of PON1 gene expression and activity. A total of 76 in vitro and in vivo studies were included in the review...
June 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28589365/variability-of-platelet-response-to-clopidogrel-is-not-related-to-adverse-cardiovascular-events-in-patients-with-stable-coronary-artery-disease-undergoing-percutaneous-coronary-intervention
#11
Szymon Olędzki, Zdzisława Kornacewicz-Jach, Krzysztof Safranow, Radosław Kiedrowicz, Barbara Gawrońska-Szklarz, Maria Jastrzębska, Jarosław Gorący
BACKGROUND: Antiplatelet response to clopidogrel and its influence upon the risk of cardiovascular adverse events among patients with stable coronary artery disease undergoing percutaneous coronary intervention (PCI) has not been investigated fully. METHODS: Two hundred eleven patients treated with aspirin and clopidogrel were included in the study. Immediately before PCI, residual platelet reactivity testing with impedance aggregometry assay and a single-nucleotide polymorphism genotyping analysis targeting variants of CYP2C19, ABCB1, and PON1 genes was performed...
September 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28566152/sonographic-evaluation-of-atherosclerosis-burden-in-carotid-arteries-of-ischemic-stroke-patients-and-its-relation-to-paraoxonase-1-and-2-mthfr-and-at1r-genetic-variants
#12
Carmen Rosa Hernández-Socorro, Francisco Javier Rodríguez-Esparragón, Jennifer Celli, Juan Carlos López-Fernández
OBJECTIVE: Common variants of the Paraoxonase (PON), 5-Methyl-Tetrahydrofolate-Reductase (MTHFR) and Angiotensin-II receptor 1 (AT1R) genes have been associated with ischemic stroke (IS) risk. Moreover, carotid atherosclerosis is a common cause of IS. The aim of this study is to explore whether variants in these genes associate with the severity of ultrasonographic determined atherosclerosis assessed in carotid arteries. PATIENTS AND METHODS: Etiologic subtype of cerebral ischemia was determined according to the TOAST classification...
July 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28514598/the-communal-relation-of-mthfr-mtr-ace-gene-polymorphisms-and-hyperhomocysteinemia-as-conceivable-risk-of-coronary-artery-disease
#13
Rizwan Masud, Haider Zaigham Baqai
Homocysteine and its modulating genes have strongly emerged as novel biomarkers for coronary artery disease (CAD). In the present study, we investigated whether polymorphisms in homocysteine pathway genes and the plasma levels of homocysteine, folate, and vitamin B12, independently or in combination, are associated with CAD risk. A total of 504 participants were recruited (cases, n = 254; controls, n = 250, respectively). Tetra primer allele refractory mutation system polymerase chain reaction (PCR) was used for resolving the genotypes of 5'10' methylenetetrahydrofolate reductase 'MTHFR' polymorphisms (rs1801133, rs1801131), 5' methyl tetrahydrofolate homocysteine methyltransferase 'MTR' polymorphism (rs1805087), paroxanse1 'PON1' polymorphism (rs662), and cystathionine beta synthase 'CBS' polymorphism (rs5742905)...
May 17, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28509526/paraoxonases-and-psoriasis-negative-imbalance-of-anti-oxidant-endogenous-mechanisms
#14
Maria Schiattarella, Giuseppina Caiazzo, Roberta DI Caprio, Serena Lembo, Annunziata Raimondo, Fabio Ayala, Nicola Balato, Giuseppe Monfrecola, Giuliana Fortunato, Anna Balato
BACKGROUNG: Numerous reports have shown that psoriasis patients are more exposed to lipoprotein peroxidation and to a decrease in the activity of paraoxonase (PON)1, an anti-oxidant and anti-inflammatory enzyme. Thus, it has been suggested that malfunction of the anti-oxidant system and an increased production of reactive oxygen species drive immune inflammatory events, that result in progressive skin cell damage in patients with psoriasis. The PON protein family, including PON1, PON2 and PON3, is one of the most important endogenous defense mechanisms against oxidative stress...
May 16, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28467805/paraoxonase-1-pon1-induces-metastatic-potential-and-apoptosis-escape-via-its-antioxidative-function-in-lung-cancer-cells
#15
Mark Borris D Aldonza, Yeon Sung Son, Hye-Jin Sung, Jung Mo Ahn, Young-Jin Choi, Yong-In Kim, Sukki Cho, Je-Yoel Cho
Paraoxonase-1 (PON1) gene polymorphisms have been closely associated with the development of advanced cancers while PON1 secretion to the serum is linked with inhibition of oxidized high-density lipoprotein by its antioxidative function. Our group previously demonstrated that post-translational modification of serum PON1 in form of fucosylated PON1 is a potential biomarker of small cell lung cancer. Here, we interrogated the role of PON1 in the pathobiology of lung cancer (LC) by addressing cell-autonomous mechanisms using gain-of-function and loss-of-function approaches and protein expression profiling of tissue samples in our clinical biobank...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28457653/study-of-the-relationship-between-apoa-ii%C3%A2-265t-c-polymorphism-and-hdl-function-in-response-to-weight-loss-in-overweight-and-obese-type-2-diabetic-patients
#16
Masoumeh Moradi, Maryam Mahmoudi, Ahmad Saedisomeolia, Mohammad Ali Mansournia, Roxana Zahirihashemi, Fariba Koohdani
BACKGROUND: It has been reported that people may respond differently to the same environmental changes because of genome variations. OBJECTIVE: The main purpose of the present study is to determine gene-diet interactions between -265T>C apolipoprotein A-II polymorphisms and evaluate the effect of weight loss on parameters related to HDL function. METHODS: In the present study, 56 overweight and obese type 2 diabetic patients were chosen from 697 genotype-specified subjects...
April 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28445984/paraoxonase-1-gene-polymorphisms-are-associated-with-an-increased-risk-of-breast-cancer-in-a-population-of-chinese-women
#17
Junrong Wu, Min Fang, Xiaoping Zhou, Bo Zhu, Zhi Yang
In this study, we explored associations between paraoxonase 1 (PON1) L55M and Q192R gene polymorphisms and the risk of breast cancer in 365 female breast cancer patients and 378 healthy controls from the Guangxi region of southern China. The LM heterozygous and MM homozygous genotypes, as well as M carrier status and M alleles, were associated with an increased risk of breast cancer. In addition, the M allele was associated with postmenopausal status and increased nodal involvement. In contrast, none of the Q192R genotypes or alleles were associated with a change in breast cancer risk, or with any of the clinicopathological parameters...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426651/association-of-candidate-gene-polymorphisms-with-clinical-subtypes-of-preterm-birth-in-a-latin-american-population
#18
Lucas G Gimenez, Allison M Momany, Fernando A Poletta, Hugo B Krupitzki, Juan A Gili, Tamara D Busch, Cesar Saleme, Viviana R Cosentino, Mariela S Pawluk, Hebe Campaña, Enrique C Gadow, Jeffrey C Murray, Jorge S Lopez-Camelo
BACKGROUND: Preterm birth (PTB) is the leading cause of neonatal mortality and morbidity. PTB is often classified according to clinical presentation: Idiopathic (PTB-I), preterm premature rupture of membranes (PTB-PPROM), and medically induced (PTB-M). The aim of this study was to evaluate the associations between specific candidate genes and clinical subtypes of PTB. METHODS: 24 SNPs were genotyped in 18 candidate genes in 709 infant triads. Of them, 243 were PTB-I, 256 PTB-PPROM, and 210 PTB-M...
April 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28399619/association-of-paraoxonase-1-pon1-l55m-and-pon1-q192r-gene-polymorphisms-and-risk-of-psoriasis
#19
Göknur Kalkan, Havva Y Seçkin, İsmail Benli, Ali Akbaş, Ömer Ateş, Hüseyin Özyurt, Yalçın Baş, Atiye Oğrum, Günseli Ş Pancar
BACKGROUND: Although there have been significant advances for clarifying the pathogenesis of psoriasis, exact pathogenic mechanism of the disease is still unknown. Oxidative stress is considered to be a new aetiopathogenetic key factor in the pathogenesis of psoriasis, as a result of the studies performing the association between psoriasis and paraoxonase 1 (PON1) activity. In this study, we aimed to examine the possible associations between the both PON1 L55M and PON1 Q192R polymorphisms and psoriasis susceptibility and disease progression in Turkish population...
April 11, 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28396702/interaction-between-prenatal-pesticide-exposure-and-a-common-polymorphism-in-the-pon1-gene-on-dna-methylation-in-genes-associated-with-cardio-metabolic-disease-risk-an-exploratory%C3%A2-study
#20
Ken Declerck, Sylvie Remy, Christine Wohlfahrt-Veje, Katharina M Main, Guy Van Camp, Greet Schoeters, Wim Vanden Berghe, Helle R Andersen
BACKGROUND: Prenatal environmental conditions may influence disease risk in later life. We previously found a gene-environment interaction between the paraoxonase 1 (PON1) Q192R genotype and prenatal pesticide exposure leading to an adverse cardio-metabolic risk profile at school age. However, the molecular mechanisms involved have not yet been resolved. It was hypothesized that epigenetics might be involved. The aim of the present study was therefore to investigate whether DNA methylation patterns in blood cells were related to prenatal pesticide exposure level, PON1 Q192R genotype, and associated metabolic effects observed in the children...
2017: Clinical Epigenetics
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