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AL-Eitan L. PTPRD gene variant rs10739150: A potential game-changer in hypertension diagnosis. PLoS One 2024; 19:e0304950. [PMID: 38935682 PMCID: PMC11210811 DOI: 10.1371/journal.pone.0304950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/22/2024] [Indexed: 06/29/2024] Open
Abstract
BACKGROUND High blood pressure, also known as hypertension (HTN), is a complicated disorder that is controlled by a complex network of physiological processes. Untreated hypertension is associated with increased death incidence, rise the need for understanding the genetic basis affecting hypertension susceptibility and development. The current study sought to identify the genetic association between twelve single nucleotide polymorphisms (SNPs) within seven candidate genes (NOS3, NOS1AP, REN, PLA2G4A, TCF7L, ADRB1, and PTPRD). METHODS The current study included 200 Jordanian individuals diagnosed with hypertension, compared to 224 healthy controls. Whole blood samples were drawn from each individual for DNA isolation and genotyping. The SNPStats tool was used to assess haplotype, genotype, and allele frequencies by the mean of chi-square (χ2). RESULTS Except for rs10739150 of PTPRD (P = 0.0003), the genotypic and allelic distribution of the SNP was identical between patients and controls. The prevalence of the G/G genotype in healthy controls (45.5%) was lower than in hypertension patients (64.3%), suggesting that it might be a risk factor for the disease. PTPRD TTC genetic haplotypes were strongly linked with hypertension (P = 0.003, OR = 4.03). CONCLUSION This study provides a comprehensive understanding of the involvement of rs10739150 within the PTPRD gene in hypertension. This new knowledge could potentially transform the way we approach hypertension diagnosis, providing an accurate diagnostic tool for classifying individuals who are at a higher risk of developing this condition.
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Affiliation(s)
- Laith AL-Eitan
- Department of Biotechnology and Genetic Engineering, Faculty of Science and Arts, Jordan University of Science and Technology, Irbid, Jordan
- Whitehead Institute for Biomedical Research, Massachusetts Institute of Technology, Cambridge, MA, United States of America
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Chaichanabut C, Sritara P, Sirivarasai J. Genetic Polymorphisms of Endothelial Nitric Oxide Synthase Associated with Hypertension and Blood Homocysteine Levels. Int J Gen Med 2024; 17:1509-1519. [PMID: 38660143 PMCID: PMC11041984 DOI: 10.2147/ijgm.s456519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024] Open
Abstract
Purpose Endothelial dysfunction is a key mechanism in the development of hypertension and is closely linked to impairment of endothelial nitric oxide synthase (eNOS) and hyperhomocysteinemia. Genetic polymorphisms of eNOS (rs1799983 and rs2070744) are strongly associated with the risk of hypertension in individuals of Asian ethnicities. This study aimed to investigate the relationship between these polymorphisms and the risk of hypertension associated with homocysteine levels. Participants and Methods For this cross-sectional study, we enrolled 370 Thai men aged 40-60 years from the Electricity Generating Authority of Thailand cohort study for both variants genotyping by TaqMan allelic discrimination analysis. Clinical, anthropometric, and biochemical parameters were also analyzed. Results In the high blood pressure group (n = 267), systolic and diastolic blood pressure and triglyceride levels were higher in those with homocysteine levels ≥ 15 µmol/L than in those with homocysteine levels < 15 µmol/L (p < 0.05). Significant risk of hypertension was found in GG and GT of rs1799983 (G894T), and in TT and TC of rs2070744 (T-786C), with higher ORs in heterozygous genotypes (all p values < 0.05). Further evaluation of the interactions between SNPs and HCY revealed that individuals with the GT or TC genotype, together with hyperhomocysteinemia, had an increased risk of hypertension (all p<0.05). Conclusion eNOS variants rs1799983 and rs2070744 may be risk factors for hypertension linked to hyperhomocysteinemia. These findings provide potentially useful healthcare strategies for the management of hypertension.
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Affiliation(s)
- Charinya Chaichanabut
- Master of Science Program in Nutrition, Faculty of Medicine Ramathibodi Hospital and Institute of Nutrition, Mahidol University, Bangkok, Thailand
| | - Piyamitr Sritara
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Jintana Sirivarasai
- Nutrition Unit, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
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Li R, Zhao A, Diao X, Song J, Wang C, Li Y, Qi X, Guan Z, Zhang T, He Y. Polymorphism of NOS3 gene and its association with essential hypertension in Guizhou populations of China. PLoS One 2023; 18:e0278680. [PMID: 36758021 PMCID: PMC9910734 DOI: 10.1371/journal.pone.0278680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 11/21/2022] [Indexed: 02/10/2023] Open
Abstract
OBJECTIVE A case-control study was conducted to evaluate the relationship between endothelial nitric oxide synthase (NOS3) gene polymorphism and essential hypertension in the Han, Miao, and Buyi populations in Guizhou China. METHODS DNA was collected from the blood samples of 353 essential hypertension patients and 342 healthy controls from Guizhou province of China. Eight polymorphisms of the NOS3 gene were genotyped using the Sequenom MassARRAY platform. For genetic analysis, SPSS 26.0, Haploview, SNPStats, SHEsis, and MDR were utilized. RESULTS All SNPs (rs11771443, rs1808593, rs753482, rs3918186, rs3918188, rs3918227, rs7830, and rs891512) satisfied the Hardy-Weinberg equilibrium test (P > 0.05). The allele and genotype frequencies of rs7830 and rs1808593 in case-control groups demonstrated significant differences (P < 0.05). Compared to the TT genotype of rs1808593, the TG or GG genotype reduced the risk of hypertension in the Miao population (OR = 0.410, 95% CI: 0.218-0.770, P = 0.006). Compared to the GG or GT genotype of rs7830, the TT genotype increased the risk of hypertension in the overall populations (OR = 1.716, 95%CI: 1.139-2.586, P = 0.010). The CATT (rs3918227-rs391818186-rs1808593-rs7830) haplotype was a risk factor for hypertension in the Miao and Han populations (OR = 1.471, 95%CI: 1.010-2.143, P = 0.044 and OR = 1.692, 95%CI: 1.124-2.545, P = 0.011). The CAGG haplotype in the Miao population was a protective factor against hypertension (OR = 0.555, 95%CI: 0.330-0.934, P = 0.025). The rs3918188, rs1808593, and rs7830 in the Miao population showed an interaction effect on hypertension (P < 0.001). The rs11771443, rs3918188, and rs7830 in the Buyi and Han populations showed an interaction effect on hypertension (P = 0.013 and P < 0.001). CONCLUSION The single nucleotide polymorphisms rs1808593 and rs7830 of NOS3 gene are associated with essential hypertension in Guizhou ethnic populations.
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Affiliation(s)
- Ruichao Li
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Ansu Zhao
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xiaoyan Diao
- Department of Cardiovascular Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang, China
| | - Juhui Song
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Chanjuan Wang
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Yanhong Li
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Xiaolan Qi
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Zhizhong Guan
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
| | - Ting Zhang
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
- * E-mail: (YH); (TZ)
| | - Yan He
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education & Key Laboratory of Medical Molecular Biology of Guizhou Province, & Collaborative Innovation Center for Prevention and Control of Endemic and Ethnic Regional Diseases Co-constructed by the Province and Ministry, Guizhou Medical University, Guiyang, Guizhou, China
- * E-mail: (YH); (TZ)
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Dines V, Suvakov S, Kattah A, Vermunt J, Narang K, Jayachandran M, Abou Hassan C, Norby AM, Garovic VD. Preeclampsia and the Kidney: Pathophysiology and Clinical Implications. Compr Physiol 2023; 13:4231-4267. [PMID: 36715282 DOI: 10.1002/cphy.c210051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Preeclampsia and other hypertensive disorders of pregnancy are major contributors to maternal morbidity and mortality worldwide. This group of disorders includes chronic hypertension, gestational hypertension, preeclampsia, preeclampsia superimposed on chronic hypertension, and eclampsia. The body undergoes important physiological changes during pregnancy to allow for normal placental and fetal development. Several mechanisms have been proposed that may lead to preeclampsia, including abnormal placentation and placental hypoxia, impaired angiogenesis, excessive pro-inflammatory response, immune system imbalance, abnormalities of cellular senescence, alterations in regulation and activity of angiotensin II, and oxidative stress, ultimately resulting in upregulation of multiple mediators of endothelial cell dysfunction leading to maternal disease. The clinical implications of preeclampsia are significant as there are important short-term and long-term health consequences for those affected. Preeclampsia leads to increased risk of preterm delivery and increased morbidity and mortality of both the developing fetus and mother. Preeclampsia also commonly leads to acute kidney injury, and women who experience preeclampsia or another hypertensive disorder of pregnancy are at increased lifetime risk of chronic kidney disease and cardiovascular disease. An understanding of normal pregnancy physiology and the pathophysiology of preeclampsia is essential to develop novel treatment approaches and manage patients with preeclampsia and hypertensive disorders of pregnancy. © 2023 American Physiological Society. Compr Physiol 13:4231-4267, 2023.
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Affiliation(s)
- Virginia Dines
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Sonja Suvakov
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Andrea Kattah
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Jane Vermunt
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Kavita Narang
- Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Coline Abou Hassan
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Alexander M Norby
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA
| | - Vesna D Garovic
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, Minnesota, USA.,Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, Minnesota, USA
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Stanković M, Đorđević V, Tomović A, Nagorni-Obradović L, Petrović-Stanojević N, Kovač M, Radojković D. Interactions of the eNOS and ACE genes and cigarette smoking in chronic obstructive pulmonary disease. J Med Biochem 2023; 42:94-104. [PMID: 36819141 PMCID: PMC9920871 DOI: 10.5937/jomb0-34017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/27/2022] [Indexed: 11/02/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a complex disorder with unexplained heritability. Interactions of genetic and environmental factors are thought to be crucial in COPD. So, we aim to examine interactions of the endothelial nitric oxide synthase (eNOS) and angiotensin converting enzyme (ACE) genes and cigarette smoking in COPD. Methods The eNOS G 894T and ACE ID variants were analyzed in 122 COPD patients and 200 controls from Serbia. The effect of the variants on COPD was assessed by logistic regression. Interactions between eNOS, ACE and cigarette smoking in COPD were evaluated using a case-control model. Interaction between the genes was analyzed in silico. Results No effect of the eNOS G 894T and ACE ID variants on COPD was found in our study. Gene-gene interaction between the eN OS T T and A CE D was identified (p=0.033) in COPD. The interaction is realized within the complex network of biochemical pathways. Gene-environment interactions between the eNOS T and cigarette smoking (p=0.013), and the ACE II and cigarette smoking (p=0.009) were detected in COPD in our study. Conclusions This is the first research to reveal interactions of the eNOS and ACE genes and cigarette smoking in COPD progressing our understanding of COPD heritability and contributing to the development of appropriate treatments.
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Affiliation(s)
- Marija Stanković
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, Belgrade
| | - Valentina Đorđević
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, Belgrade
| | - Andrija Tomović
- Novartis Pharma Services Inc. Representative Office, Sofia, Bulgaria
| | | | | | - Mirjana Kovač
- University of Belgrade, Faculty of Medicine, Belgrade
| | - Dragica Radojković
- University of Belgrade, Institute of Molecular Genetics and Genetic Engineering, Belgrade
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Facilitation of Insulin Effects by Ranolazine in Astrocytes in Primary Culture. Int J Mol Sci 2022; 23:ijms231911969. [PMID: 36233271 PMCID: PMC9569909 DOI: 10.3390/ijms231911969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 11/16/2022] Open
Abstract
Ranolazine (Rn) is a drug used to treat persistent chronic coronary ischemia. It has also been shown to have therapeutic benefits on the central nervous system and an anti-diabetic effect by lowering blood glucose levels; however, no effects of Rn on cellular sensitivity to insulin (Ins) have been demonstrated yet. The present study aimed to investigate the permissive effects of Rn on the actions of Ins in astrocytes in primary culture. Ins (10−8 M), Rn (10−6 M), and Ins + Rn (10−8 M and 10−6 M, respectively) were added to astrocytes for 24 h. In comparison to control cells, Rn and/or Ins caused modifications in cell viability and proliferation. Rn increased protein expression of Cu/Zn-SOD and the pro-inflammatory protein COX-2 was upregulated by Ins. On the contrary, no significant changes were found in the protein expression of NF-κB and IκB. The presence of Rn produced an increase in p-ERK protein and a significant decrease in COX-2 protein expression. Furthermore, Rn significantly increased the effects of Ins on the expression of p-AKT, p-eNOS, p-ERK, Mn-SOD, and PPAR-γ. In addition, Rn + Ins produced a significant decrease in COX-2 expression. In conclusion, Rn facilitated the effects of insulin on the p-AKT, p-eNOS, p-ERK, Mn-SOD, and PPAR-γ signaling pathways, as well as on the anti-inflammatory and antioxidant effects of the hormone.
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Novelli M, Masini M, Vecoli C, Moscato S, Funel N, Pippa A, Mattii L, Ippolito C, Campani D, Neglia D, Masiello P. Dysregulated insulin secretion is associated with pancreatic β-cell hyperplasia and direct acinar-β-cell trans-differentiation in partially eNOS-deficient mice. Physiol Rep 2022; 10:e15425. [PMID: 35986504 PMCID: PMC9391603 DOI: 10.14814/phy2.15425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/11/2022] [Accepted: 07/23/2022] [Indexed: 06/15/2023] Open
Abstract
eNOS-deficient mice were previously shown to develop hypertension and metabolic alterations associated with insulin resistance either in standard dietary conditions (eNOS-/- homozygotes) or upon high-fat diet (HFD) (eNOS+/- heterozygotes). In the latter heterozygote model, the present study investigated the pancreatic morphological changes underlying the abnormal glycometabolic phenotype. C57BL6 wild type (WT) and eNOS+/- mice were fed with either chow or HFD for 16 weeks. After being longitudinally monitored for their metabolic state after 8 and 16 weeks of diet, mice were euthanized and fragments of pancreas were processed for histological, immuno-histochemical and ultrastructural analyses. HFD-fed WT and eNOS+/- mice developed progressive glucose intolerance and insulin resistance. Differently from WT animals, eNOS+/- mice showed a blunted insulin response to a glucose load, regardless of the diet regimen. Such dysregulation of insulin secretion was associated with pancreatic β-cell hyperplasia, as shown by larger islet fractional area and β-cell mass, and higher number of extra-islet β-cell clusters than in chow-fed WT animals. In addition, only in the pancreas of HFD-fed eNOS+/- mice, there was ultrastructural evidence of a number of hybrid acinar-β-cells, simultaneously containing zymogen and insulin granules, suggesting the occurrence of a direct exocrine-endocrine transdifferentiation process, plausibly triggered by metabolic stress associated to deficient endothelial NO production. As suggested by confocal immunofluorescence analysis of pancreatic histological sections, inhibition of Notch-1 signaling, likely due to a reduced NO availability, is proposed as a novel mechanism that could favor both β-cell hyperplasia and acinar-β-cell transdifferentiation in eNOS-deficient mice with impaired insulin response to a glucose load.
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Affiliation(s)
- Michela Novelli
- Department of Translational Research and New Technologies in Medicine and SurgeryUniversity of PisaPisaItaly
| | - Matilde Masini
- Department of Translational Research and New Technologies in Medicine and SurgeryUniversity of PisaPisaItaly
| | - Cecilia Vecoli
- Institute of Clinical PhysiologyNational Research Council (CNR)PisaItaly
| | - Stefania Moscato
- Department of Clinical and Experimental MedicineUniversity of PisaPisaItaly
- Interdepartmental Research Centre "Nutraceuticals and Food for Health"University of PisaPisaItaly
| | - Niccola Funel
- Department of Translational Research and New Technologies in Medicine and SurgeryUniversity of PisaPisaItaly
| | - Anna Pippa
- Institute of Clinical PhysiologyNational Research Council (CNR)PisaItaly
| | - Letizia Mattii
- Department of Clinical and Experimental MedicineUniversity of PisaPisaItaly
- Interdepartmental Research Centre "Nutraceuticals and Food for Health"University of PisaPisaItaly
| | - Chiara Ippolito
- Department of Clinical and Experimental MedicineUniversity of PisaPisaItaly
| | - Daniela Campani
- Department of Surgical, Medical and Molecular Pathology, and Critical Care MedicineUniversity of PisaPisaItaly
| | - Danilo Neglia
- Cardiovascular DepartmentFondazione Toscana Gabriele Monasterio per la Ricerca Medica e di Sanità PubblicaPisaItaly
| | - Pellegrino Masiello
- Department of Translational Research and New Technologies in Medicine and SurgeryUniversity of PisaPisaItaly
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Signori D, Magliocca A, Hayashida K, Graw JA, Malhotra R, Bellani G, Berra L, Rezoagli E. Inhaled nitric oxide: role in the pathophysiology of cardio-cerebrovascular and respiratory diseases. Intensive Care Med Exp 2022; 10:28. [PMID: 35754072 PMCID: PMC9234017 DOI: 10.1186/s40635-022-00455-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 06/08/2022] [Indexed: 11/23/2022] Open
Abstract
Nitric oxide (NO) is a key molecule in the biology of human life. NO is involved in the physiology of organ viability and in the pathophysiology of organ dysfunction, respectively. In this narrative review, we aimed at elucidating the mechanisms behind the role of NO in the respiratory and cardio-cerebrovascular systems, in the presence of a healthy or dysfunctional endothelium. NO is a key player in maintaining multiorgan viability with adequate organ blood perfusion. We report on its physiological endogenous production and effects in the circulation and within the lungs, as well as the pathophysiological implication of its disturbances related to NO depletion and excess. The review covers from preclinical information about endogenous NO produced by nitric oxide synthase (NOS) to the potential therapeutic role of exogenous NO (inhaled nitric oxide, iNO). Moreover, the importance of NO in several clinical conditions in critically ill patients such as hypoxemia, pulmonary hypertension, hemolysis, cerebrovascular events and ischemia-reperfusion syndrome is evaluated in preclinical and clinical settings. Accordingly, the mechanism behind the beneficial iNO treatment in hypoxemia and pulmonary hypertension is investigated. Furthermore, investigating the pathophysiology of brain injury, cardiopulmonary bypass, and red blood cell and artificial hemoglobin transfusion provides a focus on the potential role of NO as a protective molecule in multiorgan dysfunction. Finally, the preclinical toxicology of iNO and the antimicrobial role of NO-including its recent investigation on its role against the Sars-CoV2 infection during the COVID-19 pandemic-are described.
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Affiliation(s)
- Davide Signori
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Aurora Magliocca
- Department of Medical Physiopathology and Transplants, University of Milan, Milan, Italy
| | - Kei Hayashida
- Laboratory for Critical Care Physiology, Feinstein Institutes for Medical Research, Northwell Health System, Manhasset, NY, USA
- Department of Emergency Medicine, North Shore University Hospital, Northwell Health System, Manhasset, NY, USA
- Department of Emergency and Critical Care Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Jan A Graw
- Department of Anesthesiology and Operative Intensive Care Medicine, CCM/CVK Charité, Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353, Berlin, Germany
- ARDS/ECMO Centrum Charité, Charité, Universitätsmedizin Berlin, Berlin, Germany
| | - Rajeev Malhotra
- Division of Cardiology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Giacomo Bellani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy
| | - Lorenzo Berra
- Harvard Medical School, Boston, MA, USA
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA
- Respiratory Care Department, Massachusetts General Hospital, Boston, MA, USA
| | - Emanuele Rezoagli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.
- Department of Emergency and Intensive Care, San Gerardo Hospital, Monza, Italy.
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Tran N, Garcia T, Aniqa M, Ali S, Ally A, Nauli SM. Endothelial Nitric Oxide Synthase (eNOS) and the Cardiovascular System: in Physiology and in Disease States. AMERICAN JOURNAL OF BIOMEDICAL SCIENCE & RESEARCH 2022; 15:153-177. [PMID: 35072089 PMCID: PMC8774925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Endothelial nitric oxide synthase (eNOS) plays a critical role in regulating and maintaining a healthy cardiovascular system. The importance of eNOS can be emphasized from the genetic polymorphisms of the eNOS gene, uncoupling of eNOS dimerization, and its numerous signaling regulations. The activity of eNOS on the cardiac myocytes, vasculature, and the central nervous system are discussed. The effects of eNOS on the sympathetic autonomic nervous system (SANS) and the parasympathetic autonomic nervous system (PANS), both of which profoundly influence the cardiovascular system, will be elaborated. The relationship between the eNOS protein with cardiovascular autonomic reflexes such as the baroreflex and the Exercise Pressor Reflex will be discussed. For example, the effects of endogenous nitric oxide (NO) are shown to be mediated by the eNOS protein and that eNOS-derived endothelial NO is most effective in regulating blood pressure oscillations via modulating the baroreflex mechanisms. The protective action of eNOS on the CVS is emphasized here because dysfunction of the eNOS enzyme is intricately correlated with the pathogenesis of several cardiovascular diseases such as hypertension, arteriosclerosis, myocardial infarction, and stroke. Overall, our current understanding of the eNOS protein with a focus on its role in the modulation, regulation, and control of the cardiovascular system in a normal physiological state and in cardiovascular diseases are discussed.
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Affiliation(s)
- N Tran
- Arkansas College of Osteopathic Medicine, Fort Smith, AR, USA
| | - T Garcia
- Arkansas College of Osteopathic Medicine, Fort Smith, AR, USA
| | - M Aniqa
- Arkansas College of Osteopathic Medicine, Fort Smith, AR, USA
| | - S Ali
- Arkansas College of Osteopathic Medicine, Fort Smith, AR, USA
| | - A Ally
- Arkansas College of Osteopathic Medicine, Fort Smith, AR, USA,Corresponding author: Surya M Nauli, Chapman University and University of California, Irvine, CA, USA
| | - SM Nauli
- Chapman University and University of California, Irvine, CA, USA,Corresponding author: Surya M Nauli, Chapman University and University of California, Irvine, CA, USA
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Shi J, Liu S, Guo Y, Liu S, Xu J, Pan L, Hu Y, Liu Y, Cheng Y. Association between eNOS rs1799983 polymorphism and hypertension: a meta-analysis involving 14,185 cases and 13,407 controls. BMC Cardiovasc Disord 2021; 21:385. [PMID: 34372765 PMCID: PMC8351409 DOI: 10.1186/s12872-021-02192-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/30/2021] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Essential hypertension is a complex disease determined by the interaction of genetic and environmental factors, eNOS is considered to be one of the susceptible genes for hypertension. Our study aimed to evaluate the association between eNOS rs1799983 polymorphism and hypertension, and to provide evidence for the etiology of hypertension. METHODS Case-control studies of eNOS rs1799983 polymorphism and hypertension were included by searching PubMed, Embase, Web of Science, Medline, Scopus, WanFang datebase, Vip datebase, and CNKI database according to PRISMA guideline. Eligible data were extracted and pooled, and were analyzed using R software based on five different genetic models. RESULTS A total of 60 eligible articles involving 14,185 cases and 13,407 controls were finally selected. We found significant association between eNOS rs1799983 polymorphism and hypertension under any genetic model (T vs G: OR = 1.44, 95% CI 1.26-1.63; GT vs GG: OR 1.34, 95% CI 1.18-1.52; TT vs GG: OR 1.80, 95% CI 1.41-2.31; GT + TT vs GG: OR 1.42, 95% CI 1.25-1.63; TT vs GG + GT: OR 1.68, 95% CI 1.35-2.08; GT vs GG + TT: OR 1.24, 95% CI 1.11-1.40). CONCLUSIONS We found that eNOS rs1799983 polymorphism is associated with the increased risk of hypertension under any genetic model. Moreover, investigations of gene-gene and gene-environment interactions are needed to give more insight into the association between eNOS rs1799983 polymorphism and hypertension.
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Affiliation(s)
- Jikang Shi
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Siyu Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Yanbo Guo
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Sainan Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Jiayi Xu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Lingfeng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China
| | - Yueyang Hu
- Department of Children and Adolescence Health, School of Public Health, Jilin University, Changchun, 130021, Jilin, China
| | - Yawen Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, 130021, China.
| | - Yi Cheng
- The Cardiovascular Center, The First Hospital of Jilin University, Changchun, 130021, China.
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Rathnayake KM, Weech M, Lovegrove JA, Jackson KG. Glu298Asp (rs1799983) Polymorphism Influences Postprandial Vascular Reactivity and the Insulin Response to Meals of Varying Fat Composition in Postmenopausal Women: Findings from the Randomized, Controlled Dietary Intervention and VAScular function (DIVAS)-2 Study. J Nutr 2021; 151:848-856. [PMID: 33693945 DOI: 10.1093/jn/nxaa394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/20/2020] [Accepted: 11/16/2020] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Previous acute studies suggest the Glu298Asp polymorphism (rs1799983) may influence vascular reactivity in response to long-chain n-3 PUFA intake. However, the effects of this genotype on postprandial vascular function after meals rich in SFAs, n-6 PUFAs, and MUFAs are unclear. OBJECTIVES This study determined the impact of the Glu298Asp polymorphism on changes in vascular function and cardiometabolic risk biomarkers in response to sequential meals of varying fat composition. METHODS In a randomized, double-blind, crossover, acute study, 32 postmenopausal women (mean ± SD age: 58 ± 5 y; BMI: 25.9 ± 4.1 kg/m2) consumed mixed meals (breakfast: 0 min, 50 g fat; lunch: 330 min, 30 g fat) containing SFAs, n-6 PUFAs, or MUFAs on 3 occasions. Blood samples for cardiometabolic disease risk markers and real-time measures of vascular reactivity [including flow-mediated dilatation (FMD; primary outcome)] were collected/performed before and regularly for 480 min after breakfast. Participants were retrospectively genotyped for the Glu298Asp (rs1799983) polymorphism. Data were analyzed using linear mixed models. RESULTS For the postprandial %FMD response, a test fat × genotype interaction was observed for the AUC (P = 0.019) but not incremental AUC (IAUC), with the AUC being ∼24% greater after MUFA- than after SFA- and n-6 PUFA-rich meals in the Glu298 homozygotes (P ≤ 0.026). Test fat × genotype interactions were also evident for postprandial insulin (P ≤ 0.005), with the MUFA-rich meals demonstrating significantly higher AUC (12.8%/14.9%), IAUC (14.6%/20.0%), and maximum concentration (20.0%/34.5%) than the SFA- and n-6 PUFA-rich meals, respectively, in Asp298 carriers (P < 0.05). Genotype did not influence other study outcome measures in response to the test fats. CONCLUSIONS Our findings suggest the Glu298Asp polymorphism may represent a potential determinant of the inter-individual variability in postprandial responsiveness of %FMD and insulin to acute meal fat composition in postmenopausal women. Further studies are required to confirm these observations.This trial was registered at clinicaltrials.gov as NCT02144454.
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Affiliation(s)
- Kumari M Rathnayake
- Hugh Sinclair Unit of Human Nutrition, Institute for Food, Nutrition and Health and Institute for Cardiovascular and Metabolic Research, Department of Food & Nutritional Sciences, University of Reading, Whiteknights, Reading, United Kingdom.,Department of Applied Nutrition, Faculty of Livestock, Fisheries and Nutrition, Wayamba University of Sri Lanka, Makandura, Sri Lanka
| | - Michelle Weech
- Hugh Sinclair Unit of Human Nutrition, Institute for Food, Nutrition and Health and Institute for Cardiovascular and Metabolic Research, Department of Food & Nutritional Sciences, University of Reading, Whiteknights, Reading, United Kingdom
| | - Julie A Lovegrove
- Hugh Sinclair Unit of Human Nutrition, Institute for Food, Nutrition and Health and Institute for Cardiovascular and Metabolic Research, Department of Food & Nutritional Sciences, University of Reading, Whiteknights, Reading, United Kingdom
| | - Kim G Jackson
- Hugh Sinclair Unit of Human Nutrition, Institute for Food, Nutrition and Health and Institute for Cardiovascular and Metabolic Research, Department of Food & Nutritional Sciences, University of Reading, Whiteknights, Reading, United Kingdom
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12
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Ors D, Segura A, Arrarte V, Ballester P, Muriel J, Fernández G, Soriano J, Peiró AM. [Erectile dysfunction in patients with cardiovascular disease and the potential influence of genetic markers]. Rev Int Androl 2020; 19:217-223. [PMID: 32753341 DOI: 10.1016/j.androl.2020.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 02/13/2020] [Accepted: 03/13/2020] [Indexed: 10/23/2022]
Abstract
INTRODUCTION The association between erectile dysfunction (ED) and cardiovascular disease (CVD) is well known, the latter being an early independent risk factor that can appear up to 5 years before the onset of cardiovascular symptoms. The enzyme endothelial nitric oxide synthase (eNOS) could be implicated in its pathophysiology as an endogenous vasodilator. Our objective was to analyse the influence of variants of the eNOS gene, in the response to treatment of ED, in patients with CVD. METHODOLOGY Observational, prospective study in patients with ED of the Cardiac Rehabilitation Programme. Demographic variables were collected (International Index of Erectile Function (IIEF), quality of sexual life (mSLQQ), anxiety and depression (HAD), along with cardiovascular risk factors (CVRF). Genetic analysis of polymorphisms T-786C, G894T of the eNOS gene was performed by RT-PCR with TaqMan probe, and the data were analysed using SPSS 25. RESULTS Patients (n = 35, 60.8 ± 8.44 years) showed a median CVD (IQR 1-3) with severe ED (IIEF-EF of 9.4 ± 6.73 points) and a low perception of their quality of sexual life (-19.4 ± 8.37 points). At the final visit (n = 15), there were 71% responders to treatment with iPDE5, with a significant improvement in their ED (IIEF = 49.4 ± 17.29, IIEF-FE = 18.5 ± 9.60 scores) and of their quality of sexual life (7 ± 12 scores), with a higher percentage of responders among the native homozygous genotypes -786-TT and 864-TT. CONCLUSION Variants of the NOS3 gene could influence the response to iPDE5. Full analysis of the patient sample will be required to confirm these preliminary results.
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Affiliation(s)
- Diego Ors
- Observatorio Ocupacional, Universidad Miguel Hernández (UMH), Elche, España
| | - Ana Segura
- Unidad de Andrología, Servicio de Urología, Hospital General Universitario de Alicante (HGUA), España
| | - Vicente Arrarte
- Neurofarmacología del dolor (NED), Unidad de Investigación, Departamento de Salud de Alicante, Hospital General, ISABIAL, Alicante, España
| | - Pura Ballester
- Servicio de Cardiología, Hospital General Universitario de Alicante (HGUA), España
| | - Javier Muriel
- Servicio de Cardiología, Hospital General Universitario de Alicante (HGUA), España
| | - Guillermina Fernández
- Unidad de Andrología, Servicio de Urología, Hospital General Universitario de Alicante (HGUA), España
| | - Josefa Soriano
- Servicio de Cardiología, Hospital General Universitario de Alicante (HGUA), España
| | - Ana M Peiró
- Servicio de Cardiología, Hospital General Universitario de Alicante (HGUA), España; Unidad de Farmacología Clínica, Hospital General Universitario de Alicante (HGUA), España.
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13
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Farbood Z, Sabeti Aghabozorgi A, Nejatizadeh A, Farshidi H, Shams L, Bahreyni A, Mansouri Babamansouri E, Shekari M. Endothelial Nitric Oxide Synthase Gene Polymorphisms (- 922A > G, - 786 T > C, Intron 4 b/a VNTR and 894 G > T) and Essential Hypertension: An Association Study with Haplotypes Analysis. Biochem Genet 2020; 58:518-532. [PMID: 32519277 DOI: 10.1007/s10528-020-09953-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 02/12/2020] [Indexed: 11/26/2022]
Abstract
Endothelial Nitric Oxide Synthase (eNOS) is an indispensable regulator of blood pressure through producing Nitric Oxide (NO). There is some evidence to suggest that eNOS gene polymorphisms are associated with Essential Hypertension (EHT). In this study, the potential association between eNOS 4a/4b, A922G, G894T, T786C gene polymorphisms and EHT as individual risk factors and as haplotypes are examined in the southern population of Iran (Bandar-Abbas). In this study, 200 EHT patients and 200 normotensive subjects which were matched for age and sex were included. Genotyping was performed by either utilizing Polymerase Chain Reaction (PCR) or PCR followed by Restriction Fragment length Polymorphism (RFLP) method. Our results demonstrated statistically significant associations between T786C, G894T, and 4a/4a and EHT (p < 0.05); however, A922G had no significant association with EHT (p > 0.05). Haplotype analysis also suggested that - 786C/- 922A/4a, - 786C/- 922A/4b and - 786C/- 922G/4a haplotypes were more frequent in EHT group than control group, hypothesizing a positive association with EHT. The present study has identified that the eNOS genetic variations are associated with EHT in southern population of Iran (Bandar-Abbas). These findings also suggested that a number of haplotypes of eNOS gene may be a driving factor for EHT susceptibility in respected population.
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Affiliation(s)
- Zahra Farbood
- Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | | | - Azim Nejatizadeh
- Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Hossein Farshidi
- Hormozgan Cardiovascular Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Leila Shams
- Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Amirhossein Bahreyni
- Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, Canada
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | | | - Mohammad Shekari
- Molecular Medicine Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
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GCH1 (rs841) polymorphism in the nitric oxide-forming pathway has protective effects on obstructive sleep apnea. Sci Rep 2019; 9:18664. [PMID: 31819149 PMCID: PMC6901474 DOI: 10.1038/s41598-019-55244-1] [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: 08/02/2019] [Accepted: 11/26/2019] [Indexed: 11/08/2022] Open
Abstract
Several studies have recently investigated the contribution of genetic factors in obstructive sleep apnea (OSA). Patients with OSA suffer from a reduction in nitric oxide (NO) serum level. This study investigated rs841, A930G p22phox, and rs1799983 polymorphisms in three critical genes involved in NO formation. A total of 94 patients with OSA and 100 healthy controls were enrolled into the study. Results showed there was no association between rs841, A930G p22phox and rs1799983 polymorphism and the risk of OSA (P = 0.51, P = 0.4 and P = 0.33, respectively). Moreover, rs841 GA genotype had a reverse relationship with the severity of OSA (P = 0.005). On the other hand, rs841 GA and A930G p22phox AA genotypes had a protective effect on daytime sleepiness in OSA patients (P = 0.01and P = 0.02, respectively). Additionally, the combination of rs841 and A930G p22phox (AG/AG and AG/AA) genotypes was significantly associated with a reduction in daytime sleepiness in OSA patients (P = 0.03 and P = 0.03, respectively). According to the results of our study, GA genotype of rs841 and GA/AA genotypes of A930G p22phox polymorphisms significantly reduced the severity of the problem and daytime sleepiness in OSA patients.
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Crucitta S, Restante G, Del Re M, Bertolini I, Bona E, Rofi E, Fontanelli L, Gianfilippo G, Fogli S, Stasi I, Ghilli M, Fontana A, Danesi R. Endothelial nitric oxide synthase c.-813C>T predicts for proteinuria in metastatic breast cancer patients treated with bevacizumab-based chemotherapy. Cancer Chemother Pharmacol 2019; 84:1219-1227. [PMID: 31529205 DOI: 10.1007/s00280-019-03933-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/21/2019] [Indexed: 02/03/2023]
Abstract
PURPOSE To investigate the association between single nucleotide polymorphisms (SNPs) in endothelial nitric oxide synthase (eNOS) and interleukin-8 (IL-8) genes and risk of developing bevacizumab-related adverse events in metastatic breast cancer (mBC) patients. PATIENTS AND METHODS mBC patients candidate to receive bevacizumab-based chemotherapy were enrolled in this pharmacogenetic study. eNOS c.-813C>T and c.894G>T, and IL-8 c.-251A>T were analyzed by real time PCR on genomic DNA extracted from peripheral blood. Univariate analysis was performed to test the association between each SNP and treatment-related toxicities. RESULTS Seventy-six mBC patients were enrolled in the present study. Patients carrying the homozygous variant eNOS c.-813TT genotype showed a statistically significant occurrence of any grade proteinuria when compared to CT or CC genotypes (p = 0.004). No significant association of proteinuria with IL-8 SNP or hypertension with selected eNOS and IL-8 SNPs was found. CONCLUSIONS These findings suggest an association between the eNOS c.-813C>T polymorphism and the development of proteinuria in mBC patients receiving a bevacizumab-based chemotherapy.
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Affiliation(s)
- Stefania Crucitta
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Giuliana Restante
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Marzia Del Re
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy.
| | - Ilaria Bertolini
- Unit of Medical Oncology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Eleonora Bona
- Unit of Medical Oncology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Eleonora Rofi
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Lorenzo Fontanelli
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Giulia Gianfilippo
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Stefano Fogli
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
| | - Irene Stasi
- Unit of Medical Oncology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Matteo Ghilli
- Unit of Breast Surgery, Breast Cancer Centre, University Hospital of Pisa, Pisa, Italy
| | - Andrea Fontana
- Unit of Medical Oncology, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Romano Danesi
- Unit of Clinical Pharmacology and Pharmacogenetics, Department of Clinical and Experimental Medicine, University of Pisa, 55, Via Roma, 56126, Pisa, Italy
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Prevalence of endothelial nitric oxide synthase (ENOS) gene G894T polymorphism and its association with hypertension: a population-based study with Brazilian women. ACTA ACUST UNITED AC 2019; 4:e63-e73. [PMID: 31211272 PMCID: PMC6549039 DOI: 10.5114/amsad.2019.84539] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 03/18/2019] [Indexed: 11/29/2022]
Abstract
Introduction Hypertension is one of the most prevalent diseases in the world, accounting for millions of deaths each year. The reduction in the concentration of nitric oxide (NO) produced by the catalysis of endothelial nitric oxide synthase (eNOS) is associated with higher blood pressure (BP) levels. This reduction might be because of genetic polymorphisms. This study investigated the prevalence of the eNOS gene G894T polymorphism in women from northeast Brazil and its association with hypertension. Material and methods This cross-sectional study included 810 women (aged 19–49 years). Sociodemographic, health, anthropometric, and BP data were collected. Hypertension was defined according to the following criteria: systolic BP ≥ 140 mm Hg, diastolic BP ≥ 90 mm Hg, the regular use of antihypertensive medication, or some combination thereof. Epithelial cells from the cheek mucosa were obtained for DNA extraction. Genotyping was performed via real-time PCR. The measure of association was the prevalence ratio (PR) and its 95% CI as calculated via Poisson regression. Results The frequencies of the GG, GT, and TT genotypes were 57.1%, 35.7%, and 7.2%, respectively. For each of these genotypes, the prevalence of hypertension in women was 17.9%, 23.6%, and 34.4%, respectively. Relative to the GG genotype, the PRs after adjusting for cofounding factors were 1.24 (95% CI: 0.95–1.61, p = 0.11) for GT and 1.76 (95% CI: 1.16–2.67, p < 0.01) for TT. Conclusions The T allele of the G894T polymorphisms is associated with hypertension in women. This may have implications for prevention and treatment.
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Tribble GD, Angelov N, Weltman R, Wang BY, Eswaran SV, Gay IC, Parthasarathy K, Dao DHV, Richardson KN, Ismail NM, Sharina IG, Hyde ER, Ajami NJ, Petrosino JF, Bryan NS. Frequency of Tongue Cleaning Impacts the Human Tongue Microbiome Composition and Enterosalivary Circulation of Nitrate. Front Cell Infect Microbiol 2019; 9:39. [PMID: 30881924 PMCID: PMC6406172 DOI: 10.3389/fcimb.2019.00039] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 02/07/2019] [Indexed: 01/25/2023] Open
Abstract
The oral microbiome has the potential to provide an important symbiotic function in human blood pressure physiology by contributing to the generation of nitric oxide (NO), an essential cardiovascular signaling molecule. NO is produced by the human body via conversion of arginine to NO by endogenous nitric oxide synthase (eNOS) but eNOS activity varies by subject. Oral microbial communities are proposed to supplement host NO production by reducing dietary nitrate to nitrite via bacterial nitrate reductases. Unreduced dietary nitrate is delivered to the oral cavity in saliva, a physiological process termed the enterosalivary circulation of nitrate. Previous studies demonstrated that disruption of enterosalivary circulation via use of oral antiseptics resulted in increases in systolic blood pressure. These previous studies did not include detailed information on the oral health of enrolled subjects. Using 16S rRNA gene sequencing and analysis, we determined whether introduction of chlorhexidine antiseptic mouthwash for 1 week was associated with changes in tongue bacterial communities and resting systolic blood pressure in healthy normotensive individuals with documented oral hygiene behaviors and free of oral disease. Tongue cleaning frequency was a predictor of chlorhexidine-induced changes in systolic blood pressure and tongue microbiome composition. Twice-daily chlorhexidine usage was associated with a significant increase in systolic blood pressure after 1 week of use and recovery from use resulted in an enrichment in nitrate-reducing bacteria on the tongue. Individuals with relatively high levels of bacterial nitrite reductases had lower resting systolic blood pressure. These results further support the concept of a symbiotic oral microbiome contributing to human health via the enterosalivary nitrate-nitrite-NO pathway. These data suggest that management of the tongue microbiome by regular cleaning together with adequate dietary intake of nitrate provide an opportunity for the improvement of resting systolic blood pressure.
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Affiliation(s)
- Gena D. Tribble
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Nikola Angelov
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Robin Weltman
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Bing-Yan Wang
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Sridhar V. Eswaran
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Isabel C. Gay
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Kavitha Parthasarathy
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Doan-Hieu V. Dao
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Katherine N. Richardson
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Nadia M. Ismail
- Department of Periodontics, School of Dentistry, The University of Texas Health Science Center Houston, Houston, TX, United States
| | - Iraida G. Sharina
- Division of Cardiology, Department of Internal Medicine, McGovern Medical School, The University of Texas Health Science Center Houston, Houston, TX, United States
| | | | - Nadim J. Ajami
- Alkek Center for Metagenomics and Microbiome Research, Baylor College of Medicine, Houston, TX, United States
- Department of Molecular Virology and Microbiology, Baylor College of MedicineHouston, TX, United States
| | - Joseph F. Petrosino
- Alkek Center for Metagenomics and Microbiome Research, Baylor College of Medicine, Houston, TX, United States
- Department of Molecular Virology and Microbiology, Baylor College of MedicineHouston, TX, United States
| | - Nathan S. Bryan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, United States
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Piao J, Hong HS, Son Y. Substance P ameliorates tumor necrosis factor-alpha-induced endothelial cell dysfunction by regulating eNOS expression in vitro. Microcirculation 2019; 25:e12443. [PMID: 29412499 DOI: 10.1111/micc.12443] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 01/24/2018] [Indexed: 12/15/2022]
Abstract
OBJECTIVE The aim of this study was to explore the beneficial effects of SP on NO production and inflammation-induced vascular endothelium cell death. METHODS To mimic the inflammatory environment, TNF-α was treated with HUVECs, and SP was added prior to TNF-α to determine its protective effect. WST-1 assay was performed to detect cell viability. NO level in conditioned medium was measured by Griess Reagent System. The protein level of cleaved caspase-3, eNOS, and phosphorylated Akt was detected by Western blot analysis. RESULTS TNF-α declined endothelial cell viability by downregulating Akt and NO production. TNF-α-induced cell death was reliably restored by NO, confirming the requirement of NO for cell survival. By contrast, pretreatment of SP attenuated TNF-α-induced cellular apoptosis, accompanied by an increase in the phosphorylation of Akt, eNOS expression, and NO production. Blockage of NK-1R, phosphorylated Akt or eNOS by CP-96345, A6730, or L-NAME entirely eliminated the effect of SP. CONCLUSIONS SP can protect the vascular endothelium against inflammation-induced damage through modulation of the Akt/eNOS/NO signaling pathway.
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Affiliation(s)
- Jiyuan Piao
- Department of Genetic Engineering, College of Life Science and Graduate School of Biotechnology, Kyung Hee University, Yong In, Korea
| | - Hyun Sook Hong
- East-West Medical Research Institute/Department of Biomedical Science and Technology, Graduate School, Kyung Hee University, Seoul, Korea
| | - Youngsook Son
- Department of Genetic Engineering, College of Life Science and Graduate School of Biotechnology, Kyung Hee University, Yong In, Korea
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Deletion of GIT1 Impacts eNOS Activity To Aggravate sFlt-1-Induced Preeclampsia Phenotype in Mice. G3-GENES GENOMES GENETICS 2018; 8:3377-3382. [PMID: 30135105 PMCID: PMC6169394 DOI: 10.1534/g3.118.200509] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Preeclampsia, a serious multisystem disorder specific to human pregnancy, remains a considerable burden of disease worldwide. Reduced nitric oxide bioavailability is proved to be crucial in the maternal and fetal pathophysiology of preeclampsia. G-protein-coupled Receptor Kinase Interactor-1 (GIT1) is a novel endothelial nitric oxide synthases (eNOS) interactor mediator. The aim of this paper is to investigate the effect of GIT1 on preeclampsia. Blood pressure (BP) was measured using a carotid catheter-calibrated eight-chamber tail-cuff system (CODA) at the same time daily. Urinary albumin excretion (UAE) was determined using Albuwell-M kits (Exocell Inc) and creatinine clearance (CCr) was determined by measuring urinary creatinine concentration with tandem liquid chromatography–mass spectrometry. The release of nitrite was analyzed to detect nitric oxide (NO) production using a Sievers Chemiluminescence NO Analyzer. NOS activity was examined by measuring the conversion of 3H-labeled l-arginine to 3H-labeled l-citrulline. BP was significantly increased in GIT1−/− mice with or without sFIT-1 treatment. In addition, GIT1−/− mice possessed higher UAE and lower CCr. Depletion of GIT1 impedes the NO production and placenta eNOS activity. Additional GIT1 attenuates sFlt-1-induced preeclampsia phenotypes. Our findings suggest that GIT1 significantly extenuates the sFlt-1-induced preeclampsia phenotypes by inhibiting eNOS activity, indicating a crucial role of GIT1 in the progression of preeclampsia.
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Nunes RAB, Lima LB, Tanaka NI, da Costa Pereira A, Krieger JE, Mansur AJ. Genetic associations of bradykinin type 2 receptor, alpha-adrenoceptors and endothelial nitric oxide synthase with blood pressure and left ventricular mass in outpatients without overt heart disease. IJC HEART & VASCULATURE 2018; 21:45-49. [PMID: 30294660 PMCID: PMC6171079 DOI: 10.1016/j.ijcha.2018.09.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/20/2018] [Accepted: 09/11/2018] [Indexed: 11/28/2022]
Abstract
Background Physiological pathways such as bradykinin, renin-angiotensin, neurohormones and nitric oxide have been shown to play an important role in the regulation of cardiovascular function. Genetic variants of these pathways may impact blood pressure and left ventricular (LV) mass in different populations. To evaluate associations of genetic polymorphisms of bradykinin B2 receptor (BDKRB2), alpha-adrenergic receptors (ADRA) and endothelial nitric oxide synthase (eNOS) on the modulation of the blood pressure and the left ventricular mass. Methods We enrolled 758 individuals without overt heart disease. Blood pressure was estimated by auscultatory method during the clinical examination. Left ventricular (LV) mass was assessed by echocardiography. Genotypes for ADRA1A rs1048101, ADRA2A rs553668, ADRA2B rs28365031, eNOS rs2070744, eNOS rs1799983, and BDKRB2 rs5810761 polymorphisms were assessed by high-resolution melting analysis. Results BDKRB2 polymorphism rs5810761 was associated with blood pressure. Carriers of DD genotype had higher levels of SBP and DBP than carrier of II genotype (p = 0.013 and p = 0.007, respectively). eNOS polymorphism rs1799983 was associated with DBP. Carriers of GT genotype had lower levels of DBP than carriers of GG genotype (p = 0.018). eNOS polymorphism rs2070744 was associated with LV mass. Carriers of TC genotype had higher LV mass than carriers of TT genotype (p = 0.028). Conclusions In a cohort of individuals without overt heart disease, the BDKRB2 rs5810761 polymorphism (DD genotype carriers) were associated higher systolic and diastolic blood pressures, and the eNOS rs1799983 polymorphism (T allele carriers) were associated with lower diastolic blood pressure. The eNOS rs2070744 polymorphism (C allele carriers) was associated with higher left ventricular mass. These data suggest that eNOS and bradykinin receptor genetic variants may be potential markers of common cardiovascular phenotypes.
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Affiliation(s)
- Rafael Amorim Belo Nunes
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
| | - Larissa Barbosa Lima
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
| | - Nelson Ithiro Tanaka
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
| | - Alexandre da Costa Pereira
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
| | - José Eduardo Krieger
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
| | - Alfredo José Mansur
- Heart Institute (InCor), Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, Brazil.,Applied Statistics Center (CEA) of Institute of Mathematics and Statistics (IME), Universidade de São Paulo, Brazil
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Lambrinoudaki I, Chatzivasileiou P, Stergiotis S, Armeni E, Rizos D, Kaparos G, Augoulea A, Alexandrou A, Georgiopoulos G, Laina A, Stamatelopoulos K. Subclinical atherosclerosis and vascular stiffness in premenopausal women: association with NOS3 and CYBA polymorphisms. Heart Vessels 2018; 33:1434-1444. [DOI: 10.1007/s00380-018-1198-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Accepted: 06/01/2018] [Indexed: 11/27/2022]
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22
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Xie X, Shi X, Xun X, Rao L. Endothelial nitric oxide synthase gene single nucleotide polymorphisms and the risk of hypertension: A meta-analysis involving 63,258 subjects. Clin Exp Hypertens 2017; 39:175-182. [PMID: 28287883 DOI: 10.1080/10641963.2016.1235177] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiaochuan Xie
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiaohan Shi
- Division of Reproductive Medical Center, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Xiaoshuang Xun
- West China School of Public Health, Sichuan University, Chengdu, Sichuan, China
| | - Li Rao
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Oliveira-Paula GH, Lacchini R, Tanus-Santos JE. Clinical and pharmacogenetic impact of endothelial nitric oxide synthase polymorphisms on cardiovascular diseases. Nitric Oxide 2017; 63:39-51. [DOI: 10.1016/j.niox.2016.08.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 08/10/2016] [Accepted: 08/24/2016] [Indexed: 12/30/2022]
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24
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Pal GK, Adithan C, Umamaheswaran G, Pal P, Nanda N, Indumathy J, Syamsunder AN. Endothelial nitric oxide synthase gene polymorphisms are associated with cardiovascular risks in prehypertensives. ACTA ACUST UNITED AC 2016; 10:865-872. [PMID: 27697448 DOI: 10.1016/j.jash.2016.09.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Revised: 07/09/2016] [Accepted: 09/06/2016] [Indexed: 12/27/2022]
Abstract
Though endothelial nitric oxide synthase (eNOS) gene polymorphism is documented in the causation of hypertension, its role in prehypertension has not been investigated. The present study was conducted in 172 subjects divided into prehypertensives (n = 57) and normotensives (n = 115). Cardiovascular (CV) parameters including baroreflex sensitivity (BRS) by continuous BP variability assessment and sympathovagal imbalance (SVI) by heart rate variability analysis were recorded. Biochemical parameters for insulin resistance (homeostatic model for assessment of insulin resistance), oxidative stress, lipid risk factors, renin, and inflammatory parameters were measured. Genotyping for eNOS polymorphisms rs1799983 (298G>T) and rs2070744 (-786T>C) was performed by polymerase chain reaction-restriction fragment length polymorphism method. Multiple regression analysis was done to assess the association between SVI and metabolic markers, and multivariate logistic regression was done to determine the prediction of prehypertension status by genotype, BRS, and ratio of low-frequency to high-frequency in these subjects. The BP variability, heart rate variability, and biochemical parameters were significantly altered in prehypertensives. The eNOS polymorphisms were found to be associated with prehypertension. BRS, the marker of SVI, was significantly associated with BP, homeostatic model for assessment of insulin resistance, and tumor necrosis factor alpha in 298GG genotype of prehypertensive population. The eNOS gene polymorphisms appear to be associated with prehypertension. 298G>T and -786T>C contribute to SVI in young prehypertensives attributed by insulin resistance and inflammation. The CV risks were associated with prehypertension status in prehypertensives expressing both 298GG and -786TT genotypes. Association of CV risks with SVI appears to be stronger in prehypertensives expressing GG genotype.
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Affiliation(s)
- Gopal Krushna Pal
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.
| | | | | | - Pravati Pal
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | | | - Jagadeeswaran Indumathy
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Avupati Naga Syamsunder
- Department of Physiology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
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25
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ALrefai AA, Habib MSED, Yaseen RI, Gabr MK, Habeeb RM. Association of endothelial nitric oxide synthase (eNOS) gene G894T polymorphism with hypertension risk and complications. Mol Cell Biochem 2016; 421:103-10. [PMID: 27557897 DOI: 10.1007/s11010-016-2790-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 08/05/2016] [Indexed: 10/21/2022]
Abstract
This study evaluated the association of NOS3 polymorphisms with hypertension risk and complications. eNOS (G894T) SNP was performed by RT-PCR on 70 hypertensive patients (25 were hypertensive, 25 were hypertensive with CAD, and 20 were diabetic with hypertension) and 30 age- and gender-matched individuals. Lipid and glucose profile were assessed by standard colorimetric assay. Our results revealed that combination of (GT + TT) genotype and T allele significantly increases the risk of hypertension (OR = 3.86 and 4.33), respectively. Subgroup analysis showed significant association between CAD with eNOS (G894T) mutant genotype (P = 0.002) and allele frequency (P < 0.001). Moreover, the mutant homozygous and heterozygous eNOS genotype together were significantly associated with higher TC, LDLc, (P < 0.001), and TG (P = 0.001). Thus, hypercholesterolemia (P < 0.001 and OR = 12.48) increases the risk of hypertension among T carrier. These results indicated that the T carriers significantly increase hypertension risk and complication (CAD), mainly with hypercholesterolemia and in elderly.
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Affiliation(s)
- Abeer A ALrefai
- Department of Medical Biochemistry, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt.
| | - Mona Salah El-Din Habib
- Department of Medical Biochemistry, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
| | - Rehab I Yaseen
- Departments of Cardiology, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
| | - Mahmoud K Gabr
- Departments of Cardiology, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
| | - Rabab M Habeeb
- Departments of Anesthesia, Faculty of Medicine, Menoufia University, Shebeen El-Kom, Egypt
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26
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Hashimoto M, Miyai N, Hattori S, Iwahara A, Utsumi M, Arita M, Takeshita T. Age and gender differences in the influences of eNOS T-786C polymorphism on arteriosclerotic parameters in general population in Japan. Environ Health Prev Med 2016; 21:274-82. [PMID: 27038349 DOI: 10.1007/s12199-016-0527-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 03/19/2016] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE The influence of T-786C polymorphism in the promoter region of endothelial nitric oxide synthase (eNOS) on arteriosclerotic parameters by age and gender were examined. METHODS Brachial-ankle pulse wave velocity (baPWV), heart-rate adjusted augmentation index (AIx@75), pulse pressure (PP) and albumin-creatinine ratio (ACR) were assessed as arteriosclerotic parameters in addition to non-high-density lipoprotein cholesterol (non-HDL-C) to HDL-C (non-HDL-C/HDL-C) ratio in 1499 participants. T-786C polymorphism (rs2070744) was screened using a TaqMan allelic discrimination assay. Analyses of covariance were carried. RESULTS Women with the non-C allele showed significantly lower AIx@75 in participants aged <65 years and baPWV in participants aged ≥65 years than those with C allele. In contrast, men with the non-C allele showed significantly higher PP in participants aged <65 years, and higher ACR and non-HDL-C/HDL-C ratio in participants aged ≥65 years. In men on cholesterol-lowering medication, the non-C allele carriers showed significantly higher non-HDL-C compared to those in the C allele carriers. CONCLUSIONS eNOS T-786C polymorphism is significantly associated with arteriosclerotic parameters accompanied with age and gender differences, possibly involving antioxidative and/or endothelial signaling other than inflammatory signaling.
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Affiliation(s)
- Marowa Hashimoto
- Department of Public Health, Wakayama Medical University School of Medicine, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8509, Japan
| | - Nobuyuki Miyai
- Wakayama Medical University School of Health and Nursing Science, 580 Mikazura, Wakayama City, Wakayama, 641-0011, Japan
| | - Sonomi Hattori
- Wakayama Medical University School of Health and Nursing Science, 580 Mikazura, Wakayama City, Wakayama, 641-0011, Japan
| | - Akihiko Iwahara
- Wakayama Medical University School of Health and Nursing Science, 580 Mikazura, Wakayama City, Wakayama, 641-0011, Japan
| | - Miyoko Utsumi
- Wakayama Medical University School of Health and Nursing Science, 580 Mikazura, Wakayama City, Wakayama, 641-0011, Japan
| | - Mikio Arita
- Wakayama Medical University School of Health and Nursing Science, 580 Mikazura, Wakayama City, Wakayama, 641-0011, Japan
| | - Tatsuya Takeshita
- Department of Public Health, Wakayama Medical University School of Medicine, 811-1 Kimiidera, Wakayama City, Wakayama, 641-8509, Japan.
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Kahraman CY, Tasdemir S, Sahin I, Marzioglu Ozdemir E, Yaralı O, Ziypak T, Adanur S, Kahraman M, Tatar A. The Relationship Between Endothelial Nitric Oxide Synthase Gene (NOS3) Polymorphisms, NOS3 Expression, and Varicocele. Genet Test Mol Biomarkers 2016; 20:191-6. [DOI: 10.1089/gtmb.2015.0294] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- Cigdem Yuce Kahraman
- Department of Medical Genetics, Erzurum Regional and Training Hospital, Erzurum, Turkey
| | - Sener Tasdemir
- Department of Medical Genetics, Ataturk University Medical Faculty, Erzurum, Turkey
| | - Ibrahim Sahin
- Department of Medical Genetics, Ataturk University Medical Faculty, Erzurum, Turkey
| | | | - Oguzhan Yaralı
- Department of Medical Genetics, Erzurum Regional and Training Hospital, Erzurum, Turkey
| | - Tevfik Ziypak
- Department of Urology, Ataturk University Medical Faculty, Erzurum, Turkey
| | - Senol Adanur
- Department of Urology, Ataturk University Medical Faculty, Erzurum, Turkey
| | - Mustafa Kahraman
- Department of Radiology, Erzurum Regional and Training Hospital, Erzurum, Turkey
| | - Abdulgani Tatar
- Department of Medical Genetics, Ataturk University Medical Faculty, Erzurum, Turkey
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Ancient DNA reveals selection acting on genes associated with hypoxia response in pre-Columbian Peruvian Highlanders in the last 8500 years. Sci Rep 2016; 6:23485. [PMID: 26996763 PMCID: PMC4800713 DOI: 10.1038/srep23485] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 03/07/2016] [Indexed: 12/02/2022] Open
Abstract
Archaeological evidence shows that humans began living in the high altitude Andes approximately 12,000 years ago. Andean highlanders are known to have developed the most complex societies of pre-Columbian South America despite challenges to their health and reproductive success resulting from chronic exposure to hypoxia. While the physiological adaptations to this environmental stressor are well studied in contemporary Andean highlanders, the molecular evolutionary processes associated with such adaptations remain unclear. We aim to better understand how humans managed to demographically establish in this harsh environment by addressing a central question: did exposure to hypoxia drive adaptation via natural selection within Andean populations or did an existing phenotype –characterized by reduced susceptibility to hypoxic stress–enable human settlement of the Andes? We genotyped three variable loci within the NOS3 and EGLN1 genes previously associated with adaptation to high altitude in 150 ancient human DNA samples from Peruvian high altitude and coastal low altitude sites in a time frame between ~8500–560 BP. We compare the data of 109 successful samples to forward simulations of genetic drift with natural selection and find that selection, rather than drift, explains the gradual frequency changes observed in the highland populations for two of the three SNPs.
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Influence of fat intake and BMI on the association of rs1799983 NOS3 polymorphism with blood pressure levels in an Iberian population. Eur J Nutr 2016; 56:1589-1596. [DOI: 10.1007/s00394-016-1203-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 03/11/2016] [Indexed: 12/13/2022]
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30
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Oliveira-Paula GH, Lacchini R, Tanus-Santos JE. Endothelial nitric oxide synthase: From biochemistry and gene structure to clinical implications of NOS3 polymorphisms. Gene 2015; 575:584-99. [PMID: 26428312 DOI: 10.1016/j.gene.2015.09.061] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 08/10/2015] [Accepted: 09/22/2015] [Indexed: 02/07/2023]
Abstract
Nitric oxide (NO) is an important vasodilator with a well-established role in cardiovascular homeostasis. While mediator is synthesized from L-arginine by neuronal, endothelial, and inducible nitric oxide synthases (NOS1,NOS3 and NOS2 respectively), NOS3 is the most important isoform for NO formation in the cardiovascular system. NOS3 is a dimeric enzyme whose expression and activity are regulated at transcriptional, posttranscriptional,and posttranslational levels. The NOS3 gene, which encodes NOS3, exhibits a number of polymorphic sites including single nucleotide polymorphisms (SNPs), variable number of tandem repeats (VNTRs), microsatellites, and insertions/deletions. Some NOS3 polymorphisms show functional effects on NOS3 expression or activity, thereby affecting NO formation. Interestingly, many studies have evaluated the effects of functional NOS3 polymorphisms on disease susceptibility and drug responses. Moreover, some studies have investigated how NOS3 haplotypes may impact endogenous NO formation and disease susceptibility. In this article,we carried out a comprehensive review to provide a basic understanding of biochemical mechanisms involved in NOS3 regulation and how genetic variations in NOS3 may translate into relevant clinical and pharmacogenetic implications.
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Affiliation(s)
- Gustavo H Oliveira-Paula
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Riccardo Lacchini
- Department of Psychiatric Nursing and Human Sciences, Ribeirao Preto College of Nursing, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | - Jose E Tanus-Santos
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, SP, Brazil.
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Seidlerová J, Filipovský J, Mayer Jr O, Kučerová A, Pešta M. Association between endothelial NO synthase polymorphisms and arterial properties in the general population. Nitric Oxide 2015; 44:47-51. [DOI: 10.1016/j.niox.2014.11.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/14/2014] [Accepted: 11/26/2014] [Indexed: 10/24/2022]
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32
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Śladowska-Kozłowska J, Litwin M, Niemirska A, Wierzbicka A, Roszczynko M, Szperl M. Associations of the eNOS G894T gene polymorphism with target organ damage in children with newly diagnosed primary hypertension. Pediatr Nephrol 2015; 30:2189-97. [PMID: 26227630 PMCID: PMC4623091 DOI: 10.1007/s00467-015-3164-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Revised: 06/17/2015] [Accepted: 06/29/2015] [Indexed: 01/19/2023]
Abstract
BACKGROUND The endothelial nitric oxide synthase (eNOS) G894T gene polymorphism is associated with the risk of primary hypertension (PH) and vascular complications in adults with PH. METHODS We explored the associations of the G894T polymorphism with 24-h ambulatory blood pressure, left ventricular mass (LVM), carotid intima media thickness (cIMT), urinary albumin excretion, oxidative stress and inflammatory parameters in 126 children with newly diagnosed PH and in 83 healthy children. RESULTS Among the 126 children with PH 92 (73%) had ambulatory hypertension and 34 (27%) had severe ambulatory hypertension. Left ventricular hypertrophy (LVH) was detected in 39 (31%) patients, cIMT of >2 standard deviation scores in 21 (16.6%) patients, albuminuria of >30 mg/24 h in 18 (14.3%) patients and metabolic syndrome (MS) in 22 (17.5%) patients. The frequency of the T allele was 52.4% in the PH group and 54.2% in the control group (not significant), and in both groups the frequency of the T allele was consistent with the Hardy-Weinberg equilibrium. Compared with G allele carriers, hypertensive T allele carriers had increased cIMT (p < 0.05) and more severe albuminuria (not significant, p = 0.1); there was no difference between the groups in hypertension severity and LVM. T and G allele distribution did not differ between patients with and without metabolic syndrome. No significant correlations between the assessed parameters and the eNOS G894T gene polymorphism were found in the controls, although T allele carriers tended to have an increased cIMT (p = 0.09). CONCLUSION The eNOS T allele is not more prevalent among hypertensive children than among healthy ones, but it is associated with early vascular damage in children with PH, independent of metabolic abnormalities. No associations between the eNOS G894T polymorphism and metabolic abnormalities were found.
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Affiliation(s)
- Joanna Śladowska-Kozłowska
- Department of Nephrology and Arterial Hypertension, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Mieczysław Litwin
- Department of Nephrology and Arterial Hypertension, The Children's Memorial Health Institute, Warsaw, Poland.
| | - Anna Niemirska
- Department of Nephrology and Arterial Hypertension, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Aldona Wierzbicka
- Department of Biochemistry and Experimental Medicine, The Children’s Memorial Health Institute, Warsaw, Poland
| | - Marta Roszczynko
- Department of Molecular Biology, Institute of Cardiology, Warsaw, Poland
| | - Małgorzata Szperl
- Department of Molecular Biology, Institute of Cardiology, Warsaw, Poland
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Johnson RJ, Lanaspa MA, Gabriela Sánchez-Lozada L, Rodriguez-Iturbe B. The discovery of hypertension: evolving views on the role of the kidneys, and current hot topics. Am J Physiol Renal Physiol 2014; 308:F167-78. [PMID: 25377913 DOI: 10.1152/ajprenal.00503.2014] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Primary hypertension is increasingly common and is associated with significant morbidity. Here, we review the history of its discovery and rise during the last century with an emphasis on studies trying to identify its cause. Early studies identified a defect in sodium excretion by the kidney as being central to the pathogenesis. Recent studies have focused on a variety of genetic, congenital (fetal programming), and acquired mechanisms for causing the defect in natriuresis. Certain risk factors are apparent, including genetic polymorphisms that regulate sodium excretion, a congenital reduction in nephron number, obesity and hyperleptinemia, an elevated sympathetic nervous system, diet (salt and fructose), and metabolic (hyperuricemia) mechanisms. The kidney shows evidence for renal arteriolar vasoconstriction, an intrarenal inflammatory response, local oxidative stress, and intrarenal activation of the renin-angiotensin system. Recent studies suggest that intrarenal T cells have an important role in causing hypertension to be persistent, likely due to the induction of a local autoimmune response to neoantigens such as heat shock protein 70 and protein aggregates formed by isoketals resulting from lipid peroxidation. Salt retention due to impairment in pressure-diuresis leads to the release of cardiotonic steroids and central nervous system effects that cause systemic vasoconstriction and a rise in blood pressure. Some recent studies suggest that salt may increase blood pressure not simply by effects on extracellular volume but rather as a consequence of hyperosmolarity. These new insights could lead to new approaches for the prevention and treatment of this important disease.
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Affiliation(s)
- Richard J Johnson
- Division of Renal Diseases and Hypertension, University of Colorado, Denver, Colorado;
| | - Miguel A Lanaspa
- Division of Renal Diseases and Hypertension, University of Colorado, Denver, Colorado
| | - L Gabriela Sánchez-Lozada
- Laboratory of Renal Physiopathology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico; and
| | - Bernardo Rodriguez-Iturbe
- Hospital Universitario y Universidad del Zulia; and Instituto Venezolano de Investigaciones Científicas (IVIC)-Zulia, Maracaibo, Venezuela
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Vecoli C, Novelli M, Pippa A, Giacopelli D, Beffy P, Masiello P, L’Abbate A, Neglia D. Partial deletion of eNOS gene causes hyperinsulinemic state, unbalance of cardiac insulin signaling pathways and coronary dysfunction independently of high fat diet. PLoS One 2014; 9:e104156. [PMID: 25093405 PMCID: PMC4122412 DOI: 10.1371/journal.pone.0104156] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 07/10/2014] [Indexed: 11/23/2022] Open
Abstract
Abnormalities in eNOS gene, possibly interacting with high fat diet (HFD), affect peripheral vascular function and glucose metabolism. The relative role of eNOS gene, HFD and metabolic derangement on coronary function has not been fully elucidated. We test whether eNOS gene deficiency per se or in association with HFD modulates coronary function through mechanisms involving molecular pathways related to insulin signaling. Wild type (WT), eNOS−/− and eNOS+/− mice were studied. WT and eNOS+/− mice were fed with either standard or HF diet for 16 weeks and compared with standard diet fed eNOS−/−. Glucose and insulin tolerance tests were performed during the last week of diet. Coronary resistance (CR) was measured at baseline and during infusions of acetylcholine (Ach) or sodium-nitroprusside (SNP) to evaluate endothelium-dependent or independent vasodilation, in the Langendorff isolated hearts. Cardiac expression of Akt and ERK genes as evaluation of two major insulin-regulated signaling pathways involved in the control of vascular tone were assessed by western blot. HFD-fed mice developed an overt diabetic state. Conversely, chow-fed genetically modified mice (in particular eNOS−/−) showed a metabolic pattern characterized by normoglycemia and hyperinsulinemia with a limited degree of insulin resistance. CR was significantly higher in animals with eNOS gene deletions than in WT, independently of diet. Percent decrease in CR, during Ach infusion, was significantly lower in both eNOS−/− and eNOS+/− mice than in WT, independently of diet. SNP reduced CR in all groups except eNOS−/−. The cardiac ERK1-2/Akt ratio, increased in animals with eNOS gene deletions compared with WT, independently of diet. These results suggest that the eNOS genetic deficiency, associated or not with HFD, has a relevant effect on coronary vascular function, possibly mediated by increase in blood insulin levels and unbalance in insulin-dependent signaling in coronary vessels, consistent with a shift towards a vasoconstrictive pattern.
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Affiliation(s)
| | - Michela Novelli
- Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Università di Pisa, Pisa, Italy
| | - Anna Pippa
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
| | | | | | - Pellegrino Masiello
- Dipartimento di Ricerca Traslazionale e delle Nuove Tecnologie in Medicina e Chirurgia, Università di Pisa, Pisa, Italy
| | - Antonio L’Abbate
- Istituto di Fisiologia Clinica-CNR, Pisa, Italy
- Institute of Life Sciences, Scuola Superiore Sant’Anna, Pisa, Italy
| | - Danilo Neglia
- Istituto di Fisiologia Clinica-CNR, Pisa, Italy
- Fondazione Toscana G. Monasterio-CNR, Pisa, Italy
- * E-mail:
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Sponton CH, Esposti R, Rodovalho CM, Ferreira MJ, Jarrete AP, Anaruma CP, Bacci M, Zanesco A. The presence of the NOS3 gene polymorphism for intron 4 mitigates the beneficial effects of exercise training on ambulatory blood pressure monitoring in adults. Am J Physiol Heart Circ Physiol 2014; 306:H1679-91. [PMID: 24748593 DOI: 10.1152/ajpheart.00844.2013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The number of studies that have evaluated exercise training (ET) and nitric oxide synthase (NOS)3 gene polymorphisms is scarce. The present study was designed to evaluate the relationship between exercise training and NOS3 polymorphisms at -786T>C, 894G>T, and intron 4b/a on blood pressure (BP) using 24-h ambulatory BP monitoring (ABPM), nitrate/nitrite levels (NOx), and redox state. Eighty-six volunteers (51 ± 0.6 yr old) were genotyped into nonpolymorphic and polymorphic groups for each of the three positions of NOS3 polymorphisms. Auscultatory BP, ABPM, SOD activity, catalase activity, NOx levels, and malondialdehyde levels were measured. DNA was extracted from leukocytes, and PCR followed by sequencing was applied for genotype analysis. Aerobic ET consisted of 24 sessions for 3 days/wk for 40 min at moderate intensity. This study was performed in a double-blind and crossover format. ET was effective in lowering office BP (systolic BP: 3.2% and diastolic BP: 3%) as well as ABPM (systolic BP: 2% and diastolic BP: 1.3%). Increased SOD and catalase activity (42.6% and 15.1%, respectively) were also observed. The NOS3 polymorphism for intron 4 mitigated the beneficial effect of ET for systolic BP (nonpolymorphic group: -3.0% and polymorphic group: -0.6%) and diastolic BP (nonpolymorphic group: -3.2% and polymorphic group: -0.5%), but it was not associated with NOx level and redox state. Paradoxical responses were found for positions T786-C and G894T for the NOS3 gene. Consistently, the presence of the polymorphism for intron 4 blunted the beneficial effects of ET in middle-aged adults. Possibly, this effect might be as consequence of intron 4 acting as a short intronic repeat RNA controlling endothelial NOS activity epigenetically.
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Affiliation(s)
- Carlos H Sponton
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
| | - Rodrigo Esposti
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
| | - Cynara M Rodovalho
- Laboratory of Molecular Evolution, Institute of Bioscience, University of São Paulo State, Rio Claro, São Paulo, Brazil
| | - Maycon J Ferreira
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
| | - Aline P Jarrete
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
| | - Chadi P Anaruma
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
| | - Mauricio Bacci
- Laboratory of Molecular Evolution, Institute of Bioscience, University of São Paulo State, Rio Claro, São Paulo, Brazil
| | - Angelina Zanesco
- Laboratory of Cardiovascular Physiology and Exercise Science, University of São Paulo State, Rio Claro, São Paulo, Brazil; and
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Levinsson A, Olin AC, Björck L, Rosengren A, Nyberg F. Nitric oxide synthase (NOS) single nucleotide polymorphisms are associated with coronary heart disease and hypertension in the INTERGENE study. Nitric Oxide 2014; 39:1-7. [PMID: 24713495 DOI: 10.1016/j.niox.2014.03.164] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 02/11/2014] [Accepted: 03/28/2014] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Nitric oxide synthase (NOS) exists in three distinct isoforms, each encoded by a specific gene: neuronal NOS (NOS1 gene), inducible NOS (NOS2 gene) and endothelial NOS (NOS3 gene). Single nucleotide polymorphisms (SNPs) in NOS genes have been associated with cardiovascular pathology. We aimed to comprehensively investigate which NOS gene variants are most strongly associated with coronary heart disease (CHD) and hypertension, using a set of tagging SNPs with good coverage across the 3 genes. METHOD AND RESULTS CHD cases (n=560) and randomly selected population controls (n=2791) were genotyped at 58 SNPs in the NOS genes. Control individuals with systolic blood pressure ≥140, diastolic blood pressure ≥90 or on antihypertensive medication were defined as hypertensive. A structured stepwise logistic regression approach was used to select the SNPs most strongly associated with CHD and hypertension. NOS1 SNP rs3782218 showed the most consistent association with both phenotypes, odds ratio 0.59 (95% confidence interval 0.44-0.80) and 0.81 (0.67-0.97) per T-allele for CHD and hypertension respectively. For CHD, another NOS1 SNP (rs2682826) and a NOS3 SNP (rs1549758) also showed effect. For hypertension associations were seen for additional SNPs including NOS3 SNP rs3918226, previously associated with hypertension in genome-wide association study (GWAS) data. CONCLUSION We found a previously unreported association between NOS1 SNP rs3782218 and both CHD and hypertension, and confirmed NOS1 as the most important NOS risk gene for CHD. In contrast, variants in all three NOS genes were seen to be associated with hypertension in the same source population.
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Affiliation(s)
- Anna Levinsson
- Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
| | - Anna-Carin Olin
- Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Lena Björck
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Annika Rosengren
- Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Fredrik Nyberg
- Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; AstraZeneca R&D, Mölndal, Sweden
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Luo JQ, Wen JG, Zhou HH, Chen XP, Zhang W. Endothelial nitric oxide synthase gene G894T polymorphism and myocardial infarction: a meta-analysis of 34 studies involving 21,068 subjects. PLoS One 2014; 9:e87196. [PMID: 24498040 PMCID: PMC3907515 DOI: 10.1371/journal.pone.0087196] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 12/17/2013] [Indexed: 01/24/2023] Open
Abstract
Background Researches have revealed that the endothelial nitric oxide synthase (eNOS) gene G894T polymorphism is associated with the risk of Myocardial infarction (MI), but the results remain conflicting. Objective and Methods A meta-analysis was conducted to investigate the association between eNOS G894T polymorphism and MI. Published studies from PubMed, Embase, CNKI and CBM databases were retrieved. The pooled odds ratios (ORs) for the association between eNOS G894T polymorphism and MI and their corresponding 95% confidence intervals (CIs) were estimated using the random- or fixed- effect model. Results A total of 34 studies including 8229 cases and 12839 controls were identified for the meta-analysis. The eNOS G894T polymorphism was significantly associated with MI under a homozygous genetic model (OR = 1.41, 95% CI = 1.08–1.84; P = 0.012), a recessive genetic model (OR = 1.35, 95% CI = 1.06–1.70; P = 0.014), a dominant genetic model (OR = 1.18, 95% CI = 1.04–1.34; P = 0.009). In the subgroup analysis by ethnicity (non-Asian and Asian), no significant association was observed between eNOS G894T polymorphism and MI risk among non-Asians (P>0.05), but a positive significant association was found among Asians (P<0.05). Conclusions The eNOS G894T polymorphism is associated with increased MI risk in Asians. The results indicate that ethnicity plays important roles in the association between eNOS G894T polymorphism and MI.
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Affiliation(s)
- Jian-Quan Luo
- Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, P.R. China
| | - Jia-Gen Wen
- Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, P.R. China
| | - Hong-Hao Zhou
- Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, P.R. China
| | - Xiao-Ping Chen
- Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, P.R. China
- * E-mail: (WZ); (XPC)
| | - Wei Zhang
- Pharmacogenetics Research Institute, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha, P.R. China
- * E-mail: (WZ); (XPC)
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Endothelial Nitric Oxide Synthase Gene Polymorphisms in Cardiovascular Disease. VITAMINS & HORMONES 2014; 96:387-406. [DOI: 10.1016/b978-0-12-800254-4.00015-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Huang P, Niu W, Ni Z, Wang R, Sun X. A meta-analysis of anti-vascular endothelial growth factor remedy for macular edema secondary to central retinal vein occlusion. PLoS One 2013; 8:e82454. [PMID: 24376538 PMCID: PMC3871640 DOI: 10.1371/journal.pone.0082454] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 10/23/2013] [Indexed: 11/30/2022] Open
Abstract
Background Central retinal vein occlusion (CRVO) associates with severe vision outcome and no proven beneficial treatment. Our meta-analysis intended to appraise the efficacy and safety of anti-vascular endothelial growth factor (anti-VEGF) agents in macular edema (ME) following CRVO. Methods Data were collected and analyzed by Review Manager 5.2.1. We employed a random-effects model to eliminate between-study heterogeneity. Nfs (called fail-safe number) was calculated to evaluate the publication bias. Results We included 5 trials consisting 323 cases and 281 controls. Primary outcomes showed that overall comparison of anti-VEGF agents with placebo control yielded a 374% and 136% increased tendency for a gain of 15 letters or more on Early Treatment Diabetic Retinopathy Study (ETDRS) chart (95% confidence interval [95% CI]: 2.43–9.23; P<0.00001; I2 = 59%, 95% CI: 1.60–3.49; P<0.0001; I2 = 0%, respectively) at 6 and 12 months. Secondary outcomes showed that a 90% and 77% decreased risk at 6 and 12 months for a loss of 15 letters or more. The overall mean difference showed a statistically significance in best-corrected visual acuity (BCVA) on each time point. However, changes of central retinal thickness (CRT) lost significance at 12 months after 6-month as-needed treatment. The incidence of adverse events (AEs) had no statistical difference between anti-VEGF and placebo groups. Subgroup analyses indicated that patients receiving Aflibercept got the highest tendency to gain 15 letters or more (OR = 9.78; 95% CI: 4.43–21.56; P<0.00001). Age controlled analysis suggested a weaken tendency of BCVA improvement in age over 50 (MD = 12.26; 95% CI: 7.55–16.98; P<0.00001). Subgroup analysis by clinical classification showed a strengthen difference of BCVA changes at 6 months in ischemic type (MD = 19.65 letters, 95% CI: 13.15 to 26.14 letters, P<0.00001). Conclusions Our results showed that anti-VEGF agents were superior to placebo in CRVO-ME treatment with no statistically significant AEs, especially in younger people and for ischemic type.
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Affiliation(s)
- Peirong Huang
- Department of Ophthalmology, Shanghai First People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wenquan Niu
- State Key Laboratory of Medical Genomics, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Department of Hypertension, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhentian Ni
- Department of Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Renzuo Wang
- Department of Surgery, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaodong Sun
- Department of Ophthalmology, Shanghai First People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Eye Research Institute of Shanghai Jiao Tong University, Shanghai, China
- * E-mail:
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Qi Y, Zhao H, Wang Y, Wang Y, Lu C, Xiao Y, Cao J, Jia N, Wang B, Niu W. Replication of the top 10 most significant polymorphisms from a large blood pressure genome-wide association study of northeastern Han Chinese East Asians. Hypertens Res 2013; 37:134-8. [PMID: 24196197 DOI: 10.1038/hr.2013.132] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 06/20/2013] [Accepted: 07/01/2013] [Indexed: 01/11/2023]
Abstract
The replication of genome-wide significant association signals in independent populations is a practical approach for characterizing gene-disease relationships. Therefore, we sought to explore the top 10 polymorphisms from a large blood pressure genome-wide association study of northeastern Han Chinese East Asians. This was a hospital-based study involving 1009 patients with essential hypertension and 756 normotensive controls from Qiqihar city, China. Genotyping was conducted with a polymerase chain reaction-ligase detection reaction method. All polymorphisms except for rs6825911 satisfied Hardy-Weinberg equilibrium. Overall, the genotype differences between the patients and controls were significant for rs35444 (P<0.001), rs11191548 (P=0.017) and rs17249754 (P=0.017). The per-minor-allele odds ratios of rs35444, rs11191548 and rs17249754 were 0.54 (95% confidence interval (95% CI): 0.46-0.62; P<0.01), 1.23 (95% CI: 1.07-1.43; P=0.005) and 1.23 (95% CI: 1.07-1.41; P=0.004), respectively. Similarly, the carriers of minor homozygotes had a significant reduction in adjusted systolic and diastolic blood pressure for rs35444 (P<0.01) but an increase for both rs11191548 (P<0.01) and rs17249754 (P<0.04). Further application of the genetic risk score method indicated that subjects with risk scores of 8, 10 and 12-16 had 1.66-fold (95% CI: 1.01-2.72), 1.72-fold (95% CI: 1.03-2.86) and 1.97-fold (95% CI: 1.12-3.46) increases, respectively, in the odds of developing hypertension, and similar increases were also observed for blood pressure. Taken together, our findings demonstrate that although only three of the top 10 polymorphisms were successfully validated in the northeastern Han Chinese population, the genetic risk score analyses led us to more profound insights into the possible joint effects of multiple polymorphisms on hypertension risk and blood pressure variation.
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Affiliation(s)
- Yue Qi
- Department of Epidemiology, Beijing An Zhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing, China
| | - Hongye Zhao
- Department of Physiology, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Yanli Wang
- Department of Cardiology, The Second Affiliated Hospital of Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Yuefei Wang
- Department of Physiology, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Changzhu Lu
- Department of Physiology, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Yu Xiao
- Department of Physiology, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Jun Cao
- Department of Property Theory and Complication, Science of Materia Medica, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Nan Jia
- 1] Department of Hypertension, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China [2] Shanghai Institute of Hypertension, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China [3] State Key Laboratory of Medical Genomics, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bin Wang
- Department of Physiology, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Wenquan Niu
- 1] Shanghai Institute of Hypertension, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China [2] State Key Laboratory of Medical Genomics, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Salvi E, Kuznetsova T, Thijs L, Lupoli S, Stolarz-Skrzypek K, D'Avila F, Tikhonoff V, De Astis S, Barcella M, Seidlerová J, Benaglio P, Malyutina S, Frau F, Velayutham D, Benfante R, Zagato L, Title A, Braga D, Marek D, Kawecka-Jaszcz K, Casiglia E, Filipovsky J, Nikitin Y, Rivolta C, Manunta P, Beckmann JS, Barlassina C, Cusi D, Staessen JA. Target sequencing, cell experiments, and a population study establish endothelial nitric oxide synthase (eNOS) gene as hypertension susceptibility gene. Hypertension 2013; 62:844-52. [PMID: 24019403 DOI: 10.1161/hypertensionaha.113.01428] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A case-control study revealed association between hypertension and rs3918226 in the endothelial nitric oxide synthase (eNOS) gene promoter (minor/major allele, T/C allele). We aimed at substantiating these preliminary findings by target sequencing, cell experiments, and a population study. We sequenced the 140-kb genomic area encompassing the eNOS gene. In HeLa and HEK293T cells transfected with the eNOS promoter carrying either the T or the C allele, we quantified transcription by luciferase assay. In 2722 randomly recruited Europeans (53.0% women; mean age 40.1 years), we studied blood pressure change and incidence of hypertension in relation to rs3918226, using multivariable-adjusted models. Sequencing confirmed rs3918226, a binding site of E-twenty six transcription factors, as the single nucleotide polymorphism most closely associated with hypertension. In T compared with C transfected cells, eNOS promoter activity was from 20% to 40% (P<0.01) lower. In the population, systolic/diastolic blood pressure increased over 7.6 years (median) by 9.7/6.8 mm Hg in 28 TT homozygotes and by 3.8/1.9 mm Hg in 2694 C allele carriers (P≤0.0004). The blood pressure rise was 5.9 mm Hg systolic (confidence interval [CI], 0.6-11.1; P=0.028) and 4.8 mm Hg diastolic (CI, 1.5-8.2; P=0.0046) greater in TT homozygotes, with no differences between the CT and CC genotypes (P≥0.90). Among 2013 participants normotensive at baseline, 692 (34.4%) developed hypertension. The hazard ratio and attributable risk associated with TT homozygosity were 2.04 (CI, 1.24-3.37; P=0.0054) and 51.0%, respectively. In conclusion, rs3918226 in the eNOS promoter tags a hypertension susceptibility locus, TT homozygosity being associated with lesser transcription and higher risk of hypertension.
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Affiliation(s)
- Erika Salvi
- Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, KU Leuven Department of Cardiovascular Sciences, Campus Sint Rafaël, Kapucijnenvoer 35, Block D, Box 7001, BE-3000 Leuven, Belgium.
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Branković A, Brajušković G, Nikolić Z, Vukotić V, Cerović S, Savić-Pavićević D, Romac S. Endothelial nitric oxide synthase gene polymorphisms and prostate cancer risk in Serbian population. Int J Exp Pathol 2013; 94:355-61. [PMID: 23998439 DOI: 10.1111/iep.12045] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 07/05/2013] [Indexed: 12/29/2022] Open
Abstract
Genome-wide association studies (GWAS) have identified over 46 SNPs associated with human prostate cancer (PCa). Some studies have shown correlation of the nitric oxide synthase (NOS) NOS3 gene polymorphisms with the risk and/or progression of PCa. This study aimed to evaluate the association of NOS3 gene polymorphisms (-786T>C, -764A>G, -714G>T, -690C>T, -649G>A and 894G>T) with PCa risk and progression. 150 patients with PCa, 150 patients with BPH and 100 age-matched healthy controls were recruited in this study. Genotyping of promoter polymorphisms was performed by bi-directional DNA sequencing, and for 894G>T by RFLP analysis. There was no significant association between the alleles and genotypes of these genetic variants and PCa risk. For -786T>C polymorphism, we found that C allele is associated with absence of metastases, assuming dominant genetic model (P = 0.049; OR, 0.50; 95% CI, 0.25-1.00). It was found that, compared with NOS3 -690C>T variant CC genotype, CT and TT genotypes confer decreased risk of developing metastases (dominant model, P = 0.015, OR, 0.24; 95% CI, 0.07-0.88) and show association with low clinical tumour stage, compared with stages T3 and T4 (dominant model, P = 0.046, OR, 0.20; 95% CI, 0.04-1.02). Genetic variants -764A>G, -714G>T, -649G>A were not detected in our study group. There is evidence of an inverse correlation of the NOS3 894G>T minor allele with high serum PSA (>20 ng/ml) (dominant model, P = 0.013, OR, 0.37; 95% CI, 0.17-0.82). Our results suggest that NOS3 gene polymorphisms are genetic susceptibility factors for the progression of PCa and patient outcome.
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Affiliation(s)
- Ana Branković
- University of Belgrade, Faculty of Biology, Belgrade, Serbia
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Niu PP, Yang G, Zheng BK, Guo ZN, Jin H, Yang Y. Relationship between endothelial nitric oxide synthase gene polymorphisms and ischemic stroke: a meta-analysis. Acta Neurol Scand 2013; 128:202-12. [PMID: 23560937 DOI: 10.1111/ane.12120] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2013] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Previous studies examining whether polymorphisms (G894T, 4b/a, and T786C) in the endothelial nitric oxide synthase (eNOS) gene are associated with ischemic stroke have yielded conflicting results. We performed a meta-analysis to investigate the potential association between these three eNOS gene polymorphisms and ischemic stroke risk. MATERIALS AND METHODS We searched databases until April 30, 2012 and used fixed or random effects models to estimate the pooled odds ratios (ORs). RESULTS We analyzed 34 case-control data sets from 33 publications involving 5261/5823 cases/controls for G894T, 4295/4682 for 4b/a, and 2698/3254 for T786C polymorphisms. For Asian populations, all models showed significantly increased risk of ischemic stroke for the G894T (dominant model: OR = 1.58; 95% CI, 1.30-1.91; P = 0.000) and 4b/a polymorphisms (dominant model: OR = 1.46; 95% CI, 1.25-1.71; P = 0.000), even after Bonferroni correction (because 0.000 < 0.017). In white populations, the aa genotype seemed to be protective for ischemic stroke, as indicated by the recessive model (OR = 0.44; 95% CI, 0.22-0.87; P = 0.019). In Asian populations, the T786C polymorphism was significantly associated with ischemic stroke, as found using the dominant (OR = 1.17; 95% CI, 1.02-1.34; P = 0.025) and additive models (OR = 1.18; 95% CI, 1.05-1.33; P = 0.006). CONCLUSIONS Our comprehensive meta-analysis ascertains that the G894T, 4b/a, and T786C polymorphisms are associated with ischemic stroke risk in Asians. A possible contrasting role of the 4b/a polymorphism in ischemic stroke was indicated in white populations.
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Affiliation(s)
- P.-P. Niu
- Department of Neurology; The First Hospital of Jilin University; Changchun; China
| | - G. Yang
- Department of Geriatrics Medicine; The Affiliated Hospital to Changchun University of Chinese Medicine; Changchun; China
| | - B.-K. Zheng
- Department of Neonatology; The First Hospital of Jilin University; Changchun; China
| | - Z.-N. Guo
- Department of Neurology; The First Hospital of Jilin University; Changchun; China
| | - H. Jin
- Department of Neurology; The First Hospital of Jilin University; Changchun; China
| | - Y. Yang
- Department of Neurology; The First Hospital of Jilin University; Changchun; China
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Endothelial NO synthase gene polymorphisms and risk of ischemic stroke in Asian population: a meta-analysis. PLoS One 2013; 8:e60472. [PMID: 23544143 PMCID: PMC3609746 DOI: 10.1371/journal.pone.0060472] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 02/26/2013] [Indexed: 01/06/2023] Open
Abstract
Background The association between polymorphism 4b/a, T-786C and G894T in endothelial NO synthase gene (eNOS) and ischemic stroke (IS) remains controversial in Asian. A meta-analysis was performed to better clarify the association between eNOS gene and IS risk. Methods Based on the search of PubMed, Web of Science (ISI), CNKI (National Knowledge Infrastructure), Wan Fang Med Online and CBM (Chinese Biology Medical Literature Database) databases, all eligible case-control or cohort studies were identified. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) from fixed and random effect models were calculated. Heterogeneity among studies was evaluated using the I2. Meta-regression was used to explore the potential sources of between-study heterogeneity. Begg's test was used to estimate publication bias. Results Our study included 27 articles, contained 28 independent case–control studies, involved a total of 3,742 cases and 3,691 controls about 4b/a, 1,800 cases and 1,751 controls about T-786C and 2,747 cases and 2,872 controls about G894T. A significant association of 4a allele with increased risk of IS was found in dominant (FEM: OR = 1.498, 95% CI = 1.329–1.689), recessive (FEM: OR = 2.132, 95% CI = 1.383–3.286) and codominant (REM: OR = 1.456, 95% CI = 1.235–1.716) models. For T-786C and G894T, there were significant associations with dominant and codominant genetic models, but not with recessive genetic model. Conclusions The meta-analysis indicated that eNOS gene 4b/a, T-786C, G894T polymorphism might be associated with IS.
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Ji G, Lin Y, Cao SY, Li LZ, Chen XL, Sun BM, Chen CJ, Ma HX. XPC 939A>C and 499C>T Polymorphisms and Skin Cancer Risk: a Meta-analysis. Asian Pac J Cancer Prev 2012; 13:4983-8. [DOI: 10.7314/apjcp.2012.13.10.4983] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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A meta-analysis of apolipoprotein E gene ε2/ε3/ε4 polymorphism for gallbladder stone disease. PLoS One 2012; 7:e45849. [PMID: 23049877 PMCID: PMC3458111 DOI: 10.1371/journal.pone.0045849] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2012] [Accepted: 08/23/2012] [Indexed: 01/11/2023] Open
Abstract
Background Numerous studies have investigated the relationship between apolipoprotein (Apo) E gene polymorphisms and gallbladder stone disease (GSD) across ethnic populations; however, the results are often inconsistent. This meta-analysis aims to comprehensively evaluate the influence of a common ε2/ε3/ε4 polymorphism in Apo E gene on the risk of gallbladder stone disease. Method Data were analyzed using the RevMan software (V5.1) and a random-effects model was applied irrespective of between-study heterogeneity. Publication bias was weighed using the fail-safe number. Results There were 17 study populations totaling 1773 cases and 2751 controls for ε2/ε3/ε4 polymorphism of Apo E gene. Overall comparison of alleles ε2 with ε3 in all study populations yielded a 16% decreased risk for GSD (95% confidence interval [95% CI]: 0.68–1.05; P = 0.31; I2 = 13%), and comparison of alleles ε4 with ε3 yielded a 25% increased risk (95% confidence interval [95% CI]: 0.97–1.61; P = 0.0003; I2 = 63%). Subgroup analysis by study design indicated that the magnitude of association in hospital-based studies was largely significantly strengthened for ε4 allelic model (odds ratio [OR] = 1.46; 95% CI: 1.05–2.02; p = 0.0007; I2 = 65%). Subgroup analysis by age of controls indicated a remarkably significant elevation in the magnitude of association in age >50 subgroups in ε4 allelic model (OR = 1.50; 95% CI: 1.03–2.19; p = 0.0009; I2 = 72%). Moreover, subgroup analysis by cases gender indicated a reduction in the magnitude of association in male<30% studies for E2/2 genotypic model (OR = 0.32; 95% CI: 0.07–1.49; p = 0.16; I2 = 45%). Conclusions Our results reveal that Apo E gene ε4 allele is a risk factor of gallbladder stone disease, especially in elder people and Chinese population.
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Abstract
Preeclampsia is a common complication of pregnancy associated with high maternal morbidity and mortality and intrauterine fetal growth restriction. There is extensive evidence that the reduction of uteroplacental blood flow in this syndrome results from the toxic combination of hypoxia, imbalance of angiogenic and antiangiogenic factors, inflammation, and deranged immunity. Women treated for preeclampsia also have an increased risk for cardiovascular and renal disease. At present it is unclear if the increased cardiovascular and renal disease risks are due to residual and or progressive effects of endothelial damage from the preeclampsia or from shared risk factors between preeclampsia and cardiac disease. Moreover, it appears that endothelin-1 signaling may play a central role in the hypertension associated with preeclampsia. In this paper, we discuss emerging data on the pathogenesis of preeclampsia and review therapeutic options.
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Ni P, Xu H, Xue H, Lin B, Lu Y. Response to Sun's Letter. DNA Cell Biol 2012. [DOI: 10.1089/dna.2012.1715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Peihua Ni
- Department of Pharmacy, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
- Faculty of Medical Laboratory Science, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Hong Xu
- Department of Biochemistry and Molecular Biology, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
| | - Huiping Xue
- Division of Gastroenterology and Hepatology, Shanghai Jiaotong University School of Medicine, Renji Hospital, Shanghai Institution of Digestive Disease; Key Laboratory of Gastroenterology & Hepatology, Ministry of Health (Shanghai Jiaotong University), Shanghai, People's Republic of China
| | - Bing Lin
- Division of nutrition, Zhongshan Hospital, Fudan University School of Medicine, Shanghai, People's Republic of China
| | - Yang Lu
- Department of Pharmacy, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China
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49
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Li F, Hagaman JR, Kim HS, Maeda N, Jennette JC, Faber JE, Karumanchi SA, Smithies O, Takahashi N. eNOS deficiency acts through endothelin to aggravate sFlt-1-induced pre-eclampsia-like phenotype. J Am Soc Nephrol 2012; 23:652-60. [PMID: 22282588 DOI: 10.1681/asn.2011040369] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Excess soluble fms-like tyrosine kinase 1 (sFlt-1) of vascular endothelial growth factor receptor 1 secreted from the placenta causes pre-eclampsia-like features by antagonizing vascular endothelial growth factor signaling, which can lead to reduced endothelial nitric oxide synthase (eNOS) activity; the effect of this concomitant decrease in eNOS activity is unknown. We tested whether the decrease in nitric oxide occurring in female mice lacking eNOS aggravates the pre-eclampsia-like phenotype induced by increased sFlt-1. Untreated eNOS-deficient female mice had higher BP than wild-type mice. Adenovirus-mediated overexpression of sFlt-1 increased systolic BP by approximately 27 mmHg and led to severe loss of fenestration of glomerular capillary endothelial cells in both eNOS-deficient and wild-type mice. However, only the eNOS-deficient sFlt-1 mice exhibited severe foot process effacement. Compared with wild-type sFlt-1 mice, eNOS-deficient sFlt-1 mice also showed markedly higher urinary albumin excretion (467±74 versus 174±23 μg/d), lower creatinine clearance (126±29 versus 452±63 μl/min), and more severe endotheliosis. Expression of preproendothelin-1 (ET-1) and its ET(A) receptor in the kidney was higher in eNOS-deficient sFlt-1 mice than in wild-type sFlt-1 mice. Furthermore, the selective ET(A) receptor antagonist ambrisentan attenuated the increases in BP and urinary albumin excretion and ameliorated endotheliosis in both wild-type and eNOS-deficient sFlt-1 mice. Ambrisentan improved creatinine clearance and podocyte effacement in eNOS-deficient sFlt-1 mice. In conclusion, reduced maternal eNOS/nitric oxide exacerbates the sFlt1-related pre-eclampsia-like phenotype through activation of the endothelin system.
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Affiliation(s)
- Feng Li
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
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50
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Qian X, Cao S, Yang G, Dong J, Jin G, Shen Y, Hu Z. Variant genotypes of MDR1 C3435T increase the risk of leukemia: evidence from 10 case–control studies. Leuk Lymphoma 2012; 53:1183-7. [DOI: 10.3109/10428194.2011.641179] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Xifeng Qian
- Department of Hematology, Wuxi People's Hospital Affiliated to Nanjing Medical University,
Wuxi, Jiangsu Province, China
| | - Songyu Cao
- Department of Epidemiology and Biostatistics and Ministry of Education Key Laboratory for Modern Toxicology, School of Public Health, Nanjing Medical University,
Nanjing, China
| | - Guohua Yang
- Department of Hematology, Wuxi People's Hospital Affiliated to Nanjing Medical University,
Wuxi, Jiangsu Province, China
| | - Jing Dong
- Department of Epidemiology and Biostatistics and Ministry of Education Key Laboratory for Modern Toxicology, School of Public Health, Nanjing Medical University,
Nanjing, China
| | - Guangfu Jin
- Department of Epidemiology and Biostatistics and Ministry of Education Key Laboratory for Modern Toxicology, School of Public Health, Nanjing Medical University,
Nanjing, China
- Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University,
Nanjing, China
| | - Yunfeng Shen
- Department of Hematology, Wuxi People's Hospital Affiliated to Nanjing Medical University,
Wuxi, Jiangsu Province, China
| | - Zhibin Hu
- Department of Epidemiology and Biostatistics and Ministry of Education Key Laboratory for Modern Toxicology, School of Public Health, Nanjing Medical University,
Nanjing, China
- Jiangsu Key Laboratory of Cancer Biomarkers, Prevention and Treatment, Cancer Center, Nanjing Medical University,
Nanjing, China
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