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Kumari R, Kumar S, Ahmad MK, Singh R, Kant Kumar S, Pradhan A, Chandra S, Kumar S. Promoter variants of TNF-α rs1800629 and IL-10 rs1800871 are independently associated with the susceptibility of coronary artery disease in north Indian. Cytokine 2018; 110:131-136. [PMID: 29734056 DOI: 10.1016/j.cyto.2018.04.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 04/26/2018] [Accepted: 04/28/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Tumor necrosis factor-alpha (TNF-α) are considered as a pro inflammatory and interleukin-10 (IL-10) anti inflammatory have been shown to predict the risk of incident of coronary artery disease (CAD). The polymorphism at promoter of TNF-α and IL-10 has been shown to increase transcriptional activity of the gene and play a important role in patho physiology of CAD. Aim of present study is to examine the impact of the TNF-α and IL-10 variant allele on various markers of the CAD and to study its relation with circulating TNF-α and IL-10 levels. METHODS The -308 G/A & -238 G/A of TNF-α and -1082 G/A & -819 C/T of IL-10 gene polymorphism has been studied in 301 diagnosed CAD subjects (Age 51.50 ± 9.28; BMI 25.30 ± 3.58) and 305 healthy controls (Age 51.57 ± 9.50; BMI 24.06 ± 7.26). These polymorphism of TNF-α and IL-10 were detected by real time PCR by using Taqman SNP genotyping assay. Furthermore serum TNF-alpha and IL-10 levels were also measured by ELISA. RESULTS Allelic and genotypic frequencies did not deviate from Hardy-Weinberg equilibrium in the controls (p > 0.05). On allele contrast, significant association with susceptibility to CAD was detected with polymorphisms in TNF-α -308 G/A, that variant genotype GA + AA (dominant model) (p = 0.030: OR = 1.61: 95% CI = 1.06-2.44) and variant allele (A) (p = 0.006: OR = 1.71: 95% CI = 1.17-2.51) of TNF-α 308 G/A gene was significant highly observed in the cases as compared to control group. Furthermore, variant genotype CT + TT (dominant model) (p = 0.004: OR = 1.62: 95% CI = 1.17-2.24) and variant allele (T) (p < 0.001: OR = 1.49: 95% CI = 1.17-1.89) of IL-10 -819 C/T gene was significant highly observed in the cases as compared to control group. CONCLUSION Our results suggest that the TNF-α G-308A polymorphism independently associated with DBP, cholesterol, triglyceride, LDL, TNF-α and IL-10 levels which may be leads to the development of coronary artery disease of North Indians.
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Affiliation(s)
- Reena Kumari
- Department of Biochemistry, KGMU, Lucknow 226003, India; Department of Zoology, University of Lucknow, Lucknow 226007, India.
| | - Sandeep Kumar
- Department of Clinical Immunology, SGPGIMS, Lucknow 226014, India
| | | | - Rajeev Singh
- Department of Biochemistry, KGMU, Lucknow 226003, India
| | | | | | | | - Sudhir Kumar
- Department of Zoology, University of Lucknow, Lucknow 226007, India
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Kazemi E, Jamialahmadi K, Avan A, Mirhafez SR, Mohiti J, Pirhoushiaran M, Hosseini N, Mohammadi A, Ferns GA, Pasdar A, Ghayour-Mobarhan M. Association of tumor necrosis factor-α -308 G/A gene polymorphism with coronary artery diseases: An evidence-based study. J Clin Lab Anal 2017; 32. [PMID: 28233393 DOI: 10.1002/jcla.22153] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 12/29/2016] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Coronary artery disease (CAD) is the leading cause of death worldwide and remains a major health problem, providing the rationale for identification of molecular markers for detection of individuals at high risk of developing CAD. Tumor necrosis factor-α (TNF-α) plays a crucial role in the pathogenesis of CAD. We have therefore explored the association of TNF-α 308 (G/A) gene polymorphism in 903 individuals with/without CAD. METHODS TNF-α 308 gene polymorphism was analyzed in 903 subjects of whom 222 were healthy controls. Among the 681 patients who were investigated angiographically, 468 had ≧50% stenosis and 213 patients had <50% stenosis. Biochemical profiles (eg, triglycerides, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, fasting blood glucose, and CRP) were evaluated. Associations between TNF-α genotypes with biochemical and anthropometric characteristics were determined. RESULTS The frequencies of TNF-α-AA or AG genotypes were significantly lower in patients classified as CAD patients with ≥ or <50% obstruction in at least one coronary artery, compared to the control group. We observed that CAD patients with ≥50% stenosis and with AA genotype were associated with higher risk of CAD with OR of 3.56 (95%CI: 1.02-12.41; P=.046) using multivariate analysis. Moreover, we found that TNF-α-308-AA genotype was associated with blood pressure and CRP level in CAD patients, compared to the wild type-genotype. CONCLUSION Our data showed an association of TNF-α-308G/A polymorphism with CAD patients with ≥50% obstruction, supporting the need for further investigations on the role of TNF-α-308G/A polymorphism with hypertension.
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Affiliation(s)
- Elaheh Kazemi
- Department of Biochemistry, International Campus of Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic syndrome Research center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Reza Mirhafez
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Javad Mohiti
- Department of Biochemistry, International Campus of Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Maryam Pirhoushiaran
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nedasadat Hosseini
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Akram Mohammadi
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Division of Medical Education, Brighton & Sussex Medical School, Brighton, Sussex, UK
| | - Alireza Pasdar
- Molecular Medicine Group, Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Division of Applied Medicine, Medical School, University of Aberdeen, Aberdeen, UK
| | - Majid Ghayour-Mobarhan
- Metabolic syndrome Research center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Association of G308A and G238A Polymorphisms of the TNF-α Gene with Risk of Coronary Heart Disease: Systematic Review and Meta-analysis. Arch Med Res 2016; 47:557-572. [DOI: 10.1016/j.arcmed.2016.11.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 11/04/2016] [Indexed: 01/06/2023]
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Pitha J, Králová Lesná I, Hubáček JA, Sekerková A, Lánská V, Adámková V, Dorobantu M, Nicolescu R, Steiner R, Ivić V, Borbely A, Papp Z, Vari SG. Smoking impairs and circulating stem cells favour the protective effect of the T allele of the connexin37 gene in ischemic heart disease--A multinational study. Atherosclerosis 2016; 244:73-8. [PMID: 26588185 DOI: 10.1016/j.atherosclerosis.2015.11.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 11/04/2015] [Accepted: 11/04/2015] [Indexed: 01/26/2023]
Abstract
BACKGROUND The connexin 37 (Cx37) gene is considered to be a candidate gene for ischemic heart disease (IHD). We analyzed the association between the C1019 > T (Pro319 > Ser) variant of the Cx37 gene and IHD in patients in the Czech Republic, Croatia, Hungary and Romania with regard to the presence/absence of selected cardiovascular risk factors (RF). In a complementary study, we analyzed the association between the Cx37 gene and circulating stem and endothelial progenitor cells in healthy women. METHODS The study population comprised 2396 patients (663 women) with IHD. The control population comprised 2476 subjects (1, 337 women). Additionally, in 662 healthy women, the association between the Cx37 gene and circulating stem and endothelial progenitor cells was analyzed. RESULTS The strongest protective effect of the Cx37 T allele was detected in non-smoking patients without diabetes mellitus and hypertension (OR 0.610, 95% CI 0.377-0.990); a similar effect was found in non-smoking men (OR 0.781, 95% CI 0.628-0.971); weaker effect was found in non-smoking women (OR 0.768, 95% CI 0.560-1.050). In non-smoking healthy women, stem cells were significantly higher in TT than in CT and CC carriers (p for trend 0.011). Additionally, non-smoking TT carriers had significantly higher number of stem cells than past and current smoking TT carriers (p for trend = 0.006); no such trend was found in CT and CC carriers. CONCLUSIONS The protective effect of the T allele of the Cx37 gene might be strongly modified by smoking; in women, this effect could be mediated through stem cells.
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Affiliation(s)
- Jan Pitha
- Center for Experimental Medicine, Laboratory for Atherosclerosis Research, Institute for Clinical & Experimental Medicine, Prague, Czech Republic.
| | - Ivana Králová Lesná
- Center for Experimental Medicine, Laboratory for Atherosclerosis Research, Institute for Clinical & Experimental Medicine, Prague, Czech Republic
| | - Jaroslav A Hubáček
- Center for Experimental Medicine, Laboratory for Atherosclerosis Research, Institute for Clinical & Experimental Medicine, Prague, Czech Republic
| | - Alena Sekerková
- Department of Clinical and Transplant Immunology, Institute of Clinical & Experimental Medicine, Prague, Czech Republic
| | - Věra Lánská
- Medicine Statistic Unit, Institute of Clinical & Experimental Medicine, Prague, Czech Republic
| | - Věra Adámková
- Department of Preventive Cardiology, Institute of Clinical & Experimental Medicine, Prague, Czech Republic
| | - Maria Dorobantu
- University of Medicine and Pharmacy "Carol Davila" Bucharest, Romania Emergency Clinical Hospital of Bucharest, Cardiology Dept., Romania
| | - Rodica Nicolescu
- Emergency Clinical Hospital of Bucharest, Cardiology Dept., Romania
| | - Robert Steiner
- Department of Cardiovascular Disease and Intensive Care, Osijek University Hospital, Osijek, Croatia
| | - Vedrana Ivić
- Department of Medical Biology and Genetics, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - Attila Borbely
- Regional Cooperation for Health, Science and Technology (RECOOP HST) Association, Debrecen, Hungary
| | - Zoltan Papp
- Regional Cooperation for Health, Science and Technology (RECOOP HST) Association, Debrecen, Hungary
| | - Sandor G Vari
- Regional Cooperation for Health, Science and Technology (RECOOP HST) Association, Debrecen, Hungary; International Research and Innovation Management Program, Cedars-Sinai Medical Center, Los Angeles, CA, United States
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Pfenniger A, Meens MJ, Pedrigi RM, Foglia B, Sutter E, Pelli G, Rochemont V, Petrova TV, Krams R, Kwak BR. Shear stress-induced atherosclerotic plaque composition in ApoE(-/-) mice is modulated by connexin37. Atherosclerosis 2015; 243:1-10. [PMID: 26342936 DOI: 10.1016/j.atherosclerosis.2015.08.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 08/17/2015] [Accepted: 08/21/2015] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Shear stress patterns influence atherogenesis and plaque stability; low laminar shear stress (LLSS) promotes unstable plaques whereas oscillatory shear stress (OSS) induces more stable plaques. Endothelial connexin37 (Cx37) expression is also regulated by shear stress, which may contribute to localization of atherosclerotic disease. Moreover, Cx37 reduces initiation of atherosclerosis by inhibiting monocyte adhesion. The present work investigates the effect of Cx37 on the phenotype of plaques induced by LLSS or OSS. METHODS Shear stress-modifying casts were placed around the common carotid artery of ApoE(-/-) or ApoE(-/-)Cx37(-/-) mice, and animals were placed on a high-cholesterol diet for 6 or 9 weeks. Atherosclerotic plaque size and composition were assessed by immunohistochemistry. RESULTS Plaque size in response to OSS was increased in ApoE(-/-)Cx37(-/-) mice compared to ApoE(-/-) animals. Most plaques contained high lipid and macrophage content and a low amount of collagen. In ApoE(-/-) mice, macrophages were more prominent in LLSS than OSS plaques. This difference was reversed in ApoE(-/-)Cx37(-/-) animals, with a predominance of macrophages in OSS plaques. The increase in macrophage content in ApoE(-/-)Cx37(-/-) OSS plaques was mainly due to increased accumulation of M1 and Mox macrophage subtypes. Cx37 expression in macrophages did not affect their proliferation or their polarization in vitro. CONCLUSION Cx37 deletion increased the size of atherosclerotic lesions in OSS regions and abrogated the development of a stable plaque phenotype under OSS in ApoE(-/-) mice. Hence, local hemodynamic factors may modify the risk for adverse atherosclerotic disease outcomes associated to a polymorphism in the human Cx37 gene.
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Affiliation(s)
- A Pfenniger
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - M J Meens
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - R M Pedrigi
- Department of Bioengineering, Imperial College, London, UK
| | - B Foglia
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - E Sutter
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - G Pelli
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - V Rochemont
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland
| | - T V Petrova
- Department of Oncology, CHUV and University of Lausanne, Epalinges, Switzerland
| | - R Krams
- Department of Bioengineering, Imperial College, London, UK
| | - B R Kwak
- Department of Pathology and Immunology, University of Geneva, Geneva, Switzerland; Department of Medical Specializations - Cardiology, University of Geneva, Geneva, Switzerland.
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Cheng Y, An B, Jiang M, Xin Y, Xuan S. Association of Tumor Necrosis Factor-alpha Polymorphisms and Risk of Coronary Artery Disease in Patients With Non-alcoholic Fatty Liver Disease. HEPATITIS MONTHLY 2015; 15:e26818. [PMID: 25825591 PMCID: PMC4359363 DOI: 10.5812/hepatmon.26818] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 02/02/2015] [Accepted: 02/14/2015] [Indexed: 12/11/2022]
Abstract
BACKGROUND Cardiovascular events account for the main cause of death in patients with non-alcoholic fatty liver disease (NAFLD), and are largely influenced by genetic factors. Although multiple studies showed that tumor necrosis factor-alpha (TNF-α) polymorphisms are risk factors in the progression of NAFLD, few papers on the association of the polymorphisms and the developing coronary artery disease (CAD) in NAFLD patients have been reported. OBJECTIVES The present study was designed to evaluate the association of TNF-α polymorphisms at residues -238 and -308, with the risk of developing CAD in Chinese patients with NAFLD. PATIENTS AND METHODS The TNF-α polymorphisms at residues 238 and 308 were genotyped in B-type ultrasonography proven NAFLD patients with (n = 246), without (n = 247) CAD and healthy controls (n = 304), using polymerase chain reaction (PCR). Serum lipid profiles were determined using biochemical methods. Statistical analyses were performed using SPSS statistical software, version 20.0 for Mac. RESULTS We found a significant association between TNF-α-238 guanine to alanine (GA) polymorphism and carriers of variant allele A between NAFLD patients with and without CAD (P < 0.05). Carriers of the A allele of TNF-α-238 had higher serum triglycerides (TG) and low density lipoprotein (LDL) levels in NAFLD patients with CAD (P = 0.025 and 0.001, respectively) and a higher TG level in NAFLD patients without CAD (P = 0.017), than their non-carrier counterparts. CONCLUSIONS In the Chinese Han population that we studied, NAFLD patients who carry the TNF-α-238 GA polymorphism have an increased risk of developing CAD. Mechanisms underlying this potentially important association require further investigation.
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Affiliation(s)
- Yuting Cheng
- Department of Gastroenterology, Qingdao Medical College; Nanjing Medical University, Qingdao, China
| | - Baiquan An
- Department of Gastroenterology, Qingdao Medical College; Nanjing Medical University, Qingdao, China
| | - Man Jiang
- Department of Gastroenterology, Qingdao Municipal Hospital, Qingdao Medical College, Nanjing Medical University, Qingdao, China
| | - Yongning Xin
- Department of Gastroenterology, Qingdao Municipal Hospital, Qingdao Medical College, Nanjing Medical University, Qingdao, China
- Corresponding Author: Yongning Xin, Department of Gastroenterology, Qingdao Municipal Hospital, Qingdao 266021, China. Tel:+86-53288905289, Fax: +8653288905293, E-mail:
| | - Shiying Xuan
- Department of Gastroenterology, Qingdao Medical College; Nanjing Medical University, Qingdao, China
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Wen D, Du X, Nie SP, Dong JZ, Ma CS. Association of Connexin37 C1019T with myocardial infarction and coronary artery disease: a meta-analysis. Exp Gerontol 2014; 58:203-7. [PMID: 24937033 DOI: 10.1016/j.exger.2014.06.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2014] [Revised: 06/11/2014] [Accepted: 06/13/2014] [Indexed: 12/27/2022]
Abstract
BACKGROUND Several studies have reported that Connexin37 (Cx37) gene C1019T polymorphism is associated with myocardial infarction (MI) and coronary artery disease (CAD). However, the results remain contradictory. METHODS AND RESULTS Pubmed, Embase, and Cochrane library databases were systemically searched. Data were extracted by two independent reviewers and pooled odds ratio (OR) with 95% confidence interval (CI) was calculated. A total of 3498 MI cases and 3986 controls, as well as 1808 CAD cases and 1197 controls were enrolled in this meta-analysis. For MI, the overall ORs and 95% CIs of 1019T were 1.04, 0.95-1.15; and 1.02, 0.85-1.22 in dominant and recessive models, respectively. For CAD, the overall ORs and 95% CIs of 1019T were 0.61, 0.51-0.72; and 0.52, 0.43-0.62 in dominant and recessive models, respectively. No publication bias was found in this meta-analysis. CONCLUSIONS This meta-analysis showed that Cx37 C1019T was a risk factor for MI and a protective factor for CAD.
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Affiliation(s)
- Dan Wen
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing 100029, China
| | - Xin Du
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing 100029, China
| | - Shao-Ping Nie
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing 100029, China
| | - Jian-Zeng Dong
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing 100029, China
| | - Chang-Sheng Ma
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart Lung & Blood Vessel Diseases, Beijing 100029, China.
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Wu Z, Lou Y, Jin W, Liu Y, Lu L, Chen Q, Zhang R. The Connexin37 gene C1019T polymorphism and risk of coronary artery disease: a meta-analysis. Arch Med Res 2014; 45:21-30. [PMID: 24333099 DOI: 10.1016/j.arcmed.2013.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 10/18/2013] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND AIMS Mounting data have emerged suggesting that the Connexin37 C1019T polymorphism increases susceptibility to coronary artery disease (CAD). However, previous studies yielded conflicting results. In the current study, a comprehensive meta-analysis was performed to investigate whether the C1019T polymorphism is associated with CAD risk. METHODS A total of 11 studies examining the C1019T polymorphism and CAD were identified using MEDLINE, Embase, CNKI, Wanfang and CBM, in which 5535 CAD patients and 5626 controls were analyzed. A random-effects model was used to calculate odd ratios and confidence intervals, while addressing between-study heterogeneity. Publication bias was weighed using the Egger's test, Begg-Mazemdar test and funnel plot. RESULTS In genetic models with striking heterogeneity, the risk of CAD was not associated with the C1019T polymorphism (allele comparison: p = 0.34, OR = 1.11, 95% CI 0.90-1.36). Stratification by disease endpoints indicated that the 1019T allele was significantly associated with myocardial infarction (MI) (allele comparison: p <0.001, OR = 1.59, 95% CI 1.24-2.03). Further meta-regression analysis indicated that a large proportion of heterogeneity was probably due to the varying proportions of diabetes mellitus (DM) across studies (p = 0.014). CONCLUSIONS Our results indicated that the C1019T polymorphism may be a moderate risk factor for MI and that DM was likely a potential source of between-study heterogeneity.
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Affiliation(s)
- Zhijun Wu
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Yuqing Lou
- Department of Pulmonary Diseases, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, PR China
| | - Wei Jin
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Yan Liu
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Lin Lu
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Qiujing Chen
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Ruiyan Zhang
- Department of Cardiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
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Cho HC, Yu G, Lee MY, Kim HS, Shin DH, Kim YN. TNF-α polymorphisms and coronary artery disease: Association study in the Korean population. Cytokine 2013; 62:104-9. [DOI: 10.1016/j.cyto.2013.02.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 01/23/2013] [Accepted: 02/05/2013] [Indexed: 12/31/2022]
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Coban N, Onat A, Guclu-Geyik F, Komurcu-Bayrak E, Sansoy V, Hergenc G, Can G, Erginel-Unaltuna N. Gender- and obesity-specific effect of apolipoprotein C3 gene (APOC3) -482C>T polymorphism on triglyceride concentration in Turkish adults. Clin Chem Lab Med 2011; 50:285-92. [PMID: 22004016 DOI: 10.1515/cclm.2011.747] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Accepted: 09/14/2011] [Indexed: 11/15/2022]
Abstract
BACKGROUND Apolipoprotein C3 (APOC3) gene polymorphisms are associated with cardiometabolic risk factors, varying in ethnicities. This study aimed to investigate such association between the APOC3 -482C>T polymorphism and cardiometabolic risk factors in the turkish adult risk factor (TARF) study cohort, stratifying by gender and obesity. METHODS Randomly selected 1548 individuals (757 male and 791 female, mean age 49.9±11.8 years) were genotyped for -482C>T polymorphism using hybridization probes in a Real-Time PCR LC480 device. RESULTS The -482TT genotype prevailed 9.9% in men and 11.5% in women. Association between 482C>T polymorphism and dyslipidemia (p=0.036, OR=1.42, 95%Cl=1.02-1.97) was found only in men. Analysis of variance showed that anthropometric and metabolic variables were not differently distributed in APOC3 -482C>T genotypes in the study population. In relation to dyslipidemia and obesity, the -482C>T polymorphism showed significant gender-by-genotype interactions (p<0.01). When the study population was stratified according to gender and obesity, homozygotes for the T allele were associated strongly with (by 45%) elevated fasting triglyceride concentrations in obese men (p=0.009) and homeostatic model assessment (HOMA) index in non-obese women (p=0.013). Furthermore, in the same subgroups, the associations of the fasting triglyceride concentrations and HOMA index with the TT genotype remained after adjustment for risk factors (p<0.05). CONCLUSIONS APOC3 -482TT genotype is independently associated with elevated fasting triglyceride concentrations in obese men. Presence of obesity seems to be required for this genotype to induce markedly elevated triglycerides. Furthermore, it is associated with the dyslipidemia in men, without requirement of obesity.
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Affiliation(s)
- Neslihan Coban
- Department of Genetics, Institute for Experimental Medical Research, Istanbul University, Vakif Gureba Cad. Sehremini, Istanbul, Turkey
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Potolicchio I, Cigliola V, Velazquez-Garcia S, Klee P, Valjevac A, Kapic D, Cosovic E, Lepara O, Hadzovic-Dzuvo A, Mornjacovic Z, Meda P. Connexin-dependent signaling in neuro-hormonal systems. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2011; 1818:1919-36. [PMID: 22001400 DOI: 10.1016/j.bbamem.2011.09.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2011] [Revised: 09/14/2011] [Accepted: 09/23/2011] [Indexed: 01/04/2023]
Abstract
The advent of multicellular organisms was accompanied by the development of short- and long-range chemical signalling systems, including those provided by the nervous and endocrine systems. In turn, the cells of these two systems have developed mechanisms for interacting with both adjacent and distant cells. With evolution, such mechanisms have diversified to become integrated in a complex regulatory network, whereby individual endocrine and neuro-endocrine cells sense the state of activity of their neighbors and, accordingly, regulate their own level of functioning. A consistent feature of this network is the expression of connexin-made channels between the (neuro)hormone-producing cells of all endocrine glands and secretory regions of the central nervous system so far investigated in vertebrates. This review summarizes the distribution of connexins in the mammalian (neuro)endocrine systems, and what we know about the participation of these proteins on hormone secretion, the life of the producing cells, and the action of (neuro)hormones on specific targets. The data gathered since the last reviews on the topic are summarized, with particular emphasis on the roles of Cx36 in the function of the insulin-producing beta cells of the endocrine pancreas, and of Cx40 in that of the renin-producing juxta-glomerular epithelioid cells of the kidney cortex. This article is part of a Special Issue entitled: The Communicating junctions, composition, structure and characteristics.
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Affiliation(s)
- Ilaria Potolicchio
- Department of Cell Physiology and Metabolism, University of Geneva Medical School, Switzerland
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Haplotypes and 5A/6A polymorphism of the matrix metalloproteinase-3 gene in coronary disease: Case–control study and a meta-analysis. Atherosclerosis 2010; 208:171-6. [DOI: 10.1016/j.atherosclerosis.2009.08.021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2009] [Revised: 08/03/2009] [Accepted: 08/11/2009] [Indexed: 11/24/2022]
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Fu Z, Nakayama T, Sato N, Izumi Y, Kasamaki Y, Shindo A, Ohta M, Soma M, Aoi N, Sato M, Ozawa Y, Ma Y, Matsumoto K, Doba N, Hinohara S. A haplotype of the CYP4F2 gene associated with myocardial infarction in Japanese men. Mol Genet Metab 2009; 96:145-7. [PMID: 19097922 DOI: 10.1016/j.ymgme.2008.11.161] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Accepted: 11/05/2008] [Indexed: 10/21/2022]
Abstract
This study assessed associations between the CYP4F2 gene and myocardial infarction (MI), using a haplotype-based case-control study of 234 MI patients and 248 controls genotyped for 5 single-nucleotide polymorphisms (rs3093105, rs3093135, rs1558139, rs2108622, rs3093200). For men, G allele frequency of rs2108622 and frequency of the T-C-G haplotype were significantly higher, and frequency of the T-C-A haplotype was significantly lower for MI patients than for controls (P=0.006, P=0.001 and P=0.002, respectively).
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Affiliation(s)
- Zhenyan Fu
- Department of Advanced Medical Science, Division of Molecular Diagnostics, Nihon University School of Medicine, Tokyo, Japan
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14
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Abstract
Direct intercellular communication via gap junctions is critical in the control and coordination of vascular function. In the cardiovascular system, gap junctions are made up of one or more of four connexin proteins: Cx37, Cx40, Cx43, and Cx45. The expression of more than one gap-junction protein in the vasculature is not redundant. Rather, vascular connexins work in concert, first during the development of the cardiovascular system, and then in integrating smooth muscle and endothelial cell function, and in coordinating cell function along the length of the vessel wall. In addition, connexin-based channels have emerged as an important signaling pathway in the astrocyte-mediated neurovascular coupling. Direct electrical communication between endothelial cells and vascular smooth muscle cells via gap junctions is thought to play a relevant role in the control of vasomotor tone, providing the signaling pathway known as endothelium-derived hyperpolarizing factor (EDHF). Consistent with the importance of gap junctions in the regulation of vasomotor tone and arterial blood pressure, the expression of connexins is altered in diseases associated with vascular complications. In this review, we discuss the participation of connexin-based channels in the control of vascular function in physiologic and pathologic conditions, with a special emphasis on hypertension and diabetes.
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Affiliation(s)
- Xavier F Figueroa
- Departamento de Ciencias Fisiológicas, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile.
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15
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Yoshida T, Kato K, Fujimaki T, Yokoi K, Oguri M, Watanabe S, Metoki N, Yoshida H, Satoh K, Aoyagi Y, Nishigaki Y, Tanaka M, Nozawa Y, Yamada Y. Association of a polymorphism of the apolipoprotein E gene with chronic kidney disease in Japanese individuals with metabolic syndrome. Genomics 2008; 93:221-6. [PMID: 19056482 DOI: 10.1016/j.ygeno.2008.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2008] [Revised: 11/04/2008] [Accepted: 11/06/2008] [Indexed: 11/16/2022]
Abstract
The purpose of the present study was to identify genetic variants that confer susceptibility to chronic kidney disease (CKD) in Japanese individuals with metabolic syndrome. The study population comprised 2150 Japanese individuals with metabolic syndrome, including 411 subjects with CKD [estimated glomerular filtration rate (eGFR) <50 mL/min/1.73m(2)] and 1739 controls (eGFR >/=60 mL/min/1.73m(2)). The genotypes for 100 polymorphisms of 80 candidate genes were determined. The chi-square test, multivariable logistic regression analysis with adjustment for covariates, as well as a stepwise forward selection procedure revealed that nine polymorphisms of APOE, ABCA1, PTGS1, TNF, CPB2, AGTR1, OR13G1, and GNB3 were associated (P<0.05) with the prevalence of CKD. Among these polymorphisms, the -219G-->T polymorphism of APOE (rs405509) was most significantly associated with CKD in Japanese individuals with metabolic syndrome.
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Affiliation(s)
- Tetsuro Yoshida
- Department of Cardiovascular Medicine, Inabe General Hospital, Inabe, Japan
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16
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Georgopoulos A, Bloomfield H, Collins D, Brousseau ME, Ordovas JM, O'Connor JJ, Robins SJ, Schaefer EJ. Codon 54 polymorphism of the fatty acid binding protein (FABP) 2 gene is associated with increased cardiovascular risk in the dyslipidemic diabetic participants of the veterans affairs HDL intervention trial (VA-HIT). Atherosclerosis 2007; 194:169-74. [PMID: 16945373 DOI: 10.1016/j.atherosclerosis.2006.07.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2006] [Revised: 07/14/2006] [Accepted: 07/20/2006] [Indexed: 11/19/2022]
Abstract
The threonine (Thr) for alanine (Ala) codon 54 polymorphism of the fatty acid binding protein (FABP) 2 gene, when compared to the wild type, is associated with dyslipidemia. Since dyslipidemia is common in diabetes and is associated with increased cardiovascular risk, we tested the hypothesis that Thr-54 is associated with increased cardiovascular risk in patients with diabetes. The secondary prevention veterans affairs HDL intervention trial (VA-HIT) was carried out in patients with dyslipidemia. The DNA of trial participants (n=776) was screened for the Thr-54 polymorphism and cardiovascular endpoints were monitored. The polymorphism was detected in 370 (47.7%). For first occurrence of the primary endpoint [myocardial infarction (MI) or coronary heart disease (CHD) death] the hazard ratio (HR) and confidence intervals (Cox proportional hazards model) was 2.5 (1.2, 5.3) p=.02 in diabetic carriers of Thr-54 versus carriers without diabetes or fasting glucose >7 mmol/L. For the expanded endpoint (stroke, MI or CHD death), the corresponding HR was 3.0 (1.4, 5.4) p=.0003 and for the stroke alone the corresponding HR was 3.5 (1.4-8.9) p=.01. The higher cumulative incidence of the expanded endpoint in diabetic participants carrying the FABP2 polymorphism versus non-diabetic carriers was consistently present throughout the 5 years of the study (p=.0002). We conclude that based on the VA-HIT data, the Thr-54 polymorphism of the FABP2 gene is associated with a 2-3.5-fold increase in cardiovascular risk in dyslipidemic men with diabetes compared to their non-diabetic counterparts.
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Lanfear DE, Jones PG, Marsh S, Cresci S, Spertus JA, McLeod HL. Connexin37 (GJA4) genotype predicts survival after an acute coronary syndrome. Am Heart J 2007; 154:561-6. [PMID: 17719307 DOI: 10.1016/j.ahj.2007.04.059] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2006] [Accepted: 04/29/2007] [Indexed: 11/22/2022]
Abstract
BACKGROUND GJA4 1019 C > T, MMP3 -1171delA, and SERPINE1 -668delG genotypes have been associated with the risk of incident myocardial infarction. We tested the hypothesis that these genotypes would predict long-term mortality after an acute coronary syndrome (ACS). METHODS We assembled a prospective cohort study on 726 patients with ACS admitted between March 2000 and October 2001. Kaplan-Meier estimates and Cox proportional hazards models of 3-year mortality adjusted for age, race, ACS type, prior heart failure, diabetes, and revascularization were used to compare groups. RESULTS The GJA4 1019 C > T genotype was significantly related to mortality over 3 years (8.3% vs 14%, for the C/C vs T allele carriers; P = .02), with an adjusted hazard ratio of 1.7 (95% confidence interval 1.05-2.8, P = .03). This finding was consistent in both men and women (hazard ratio = 1.9 and 1.7, respectively) with no significant sex interaction (P = .8). The MMP3 -1171delA and SERPINE1 -668delG genotypes were not significantly related to mortality in the overall population (all P > .4). CONCLUSIONS GJA4 1019 C > T genotype predicted risk of death after an ACS, whereas the MMP3 and SERPINE1 genotypes did not. The GJA4 1019 C > T polymorphism may warrant integration into comprehensive risk stratification algorithms for patients with ACS.
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Affiliation(s)
- David E Lanfear
- Henry Ford Heart and Vascular Institute and Wayne State University, Detroit, MI, USA
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18
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Wong CW, Christen T, Pfenniger A, James RW, Kwak BR. Do allelic variants of the connexin37 1019 gene polymorphism differentially predict for coronary artery disease and myocardial infarction? Atherosclerosis 2007; 191:355-61. [PMID: 16677656 DOI: 10.1016/j.atherosclerosis.2006.03.031] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2006] [Revised: 03/23/2006] [Accepted: 03/23/2006] [Indexed: 10/24/2022]
Abstract
A C1019T polymorphism in the human connexin37 (hCx37) gene has been associated with cardiovascular risk, but it remains debatable whether the 1019C or the 1019T allele carries this risk. Here, we investigated whether these allelic variants are differentially predictive of increased risk for coronary artery disease (CAD) and myocardial infarction (MI). A total of 781 Swiss participants, including 597 patients diagnosed with CAD, 50% who reported previous MI, and 184 control subjects were genotyped. Patients in the +CAD group had a higher frequency of the Cx37-1019C allele (70.3% versus 65.0%, p=0.004). Multivariate analysis showed that the hCx37-C1019T polymorphism is an independent predictor of CAD (odds ratio=2.13, confidence interval=1.31-3.46 and p<0.01). Moreover, this polymorphism is not associated with any of the other characteristics examined, including gender, age, body-mass-index, diabetes, total/HDL/LDL-cholesterol, triglycerides, apoA-I, apoB, hypertension and cigarette smoking. In comparison with the -CAD group, we observed an increase of the Cx37-1019C allele in the +MI +CAD subgroup (71.2% versus 65.0%, p=0.002) but not in the -MI +CAD subgroup. Allelic frequency comparisons of these three subgroups predicted that this polymorphism is also an independent risk factor for MI. In conclusion, our results reveal the importance of screening the Cx37-1019C allele for both CAD and MI risk assessments.
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Affiliation(s)
- Cindy W Wong
- Foundation for Medical Research, Division of Cardiology, Department of Internal Medicine, Geneva University Hospitals, 64 Avenue de la Roseraie, 1211 Geneva 4, Switzerland
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19
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Chanson M, Kwak BR. Connexin37: a potential modifier gene of inflammatory disease. J Mol Med (Berl) 2007; 85:787-95. [PMID: 17318613 DOI: 10.1007/s00109-007-0169-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2006] [Revised: 01/31/2007] [Accepted: 02/01/2007] [Indexed: 12/22/2022]
Abstract
There is an increasing appreciation of the importance of gap junction proteins (connexins) in modulating the severity of inflammatory diseases. Multiple epidemiological gene association studies have detected a link between a single nucleotide polymorphism in the human connexin37 (Cx37) gene and coronary artery disease or myocardial infarction in various populations. This C1019T polymorphism causes a proline-to-serine substitution (P319S) in the regulatory C terminal tail of Cx37, a protein that is expressed in the vascular endothelium as well as in monocytes and macrophages. Indeed, these three cell types are key players in atherogenesis. In the early phases of atherosclerosis, blood monocytes are recruited to the sites of injury in response to chemotactic factors. Monocytes adhere to the dysfunctional endothelium and transmigrate across endothelial cells to penetrate the arterial intima. In the intima, monocytes proliferate, mature, and accumulate lipids to progress into macrophage foam cells. This review focuses on Cx37 and its impact on the cellular and molecular events underlying tissue function, with particular emphasis of the contribution of the C1019T polymorphism in atherosclerosis. We will also discuss evidence for a potential mechanism by which allelic variants of Cx37 are differentially predictive of increased risk for inflammatory diseases.
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Affiliation(s)
- Marc Chanson
- Department of Pediatrics, Geneva University Hospitals, 1211, Geneva 14, Switzerland
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20
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Affiliation(s)
- Xavier F Figueroa
- Unidad de Regulación Neurohumoral, Departamento de Ciencias Fisiológicas, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
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21
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Tymchuk CN, Hartiala J, Patel PI, Mehrabian M, Allayee H. Nonconventional genetic risk factors for cardiovascular disease. Curr Atheroscler Rep 2006; 8:184-92. [PMID: 16640955 DOI: 10.1007/s11883-006-0072-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Despite numerous advances made in identifying the genes for rare mendelian forms of cardiovascular disease (CVD), relatively little is known about the common, complex forms at the genetic level. Moreover, most genes that have been associated with CVD, whether they are single gene forms or more common forms of the disease, have primarily been involved in biochemical pathways related to what are considered "conventional" risk factors. However, recent genetic studies have begun to identify genes and pathways associated with CVD that would not be considered to underlie conventional risk factors. In this review, we discuss the evidence for this latter notion based on recent linkage and association studies in humans. As an example, we also illustrate how a combination of mouse and human genetics led to identification of the 5-lipoxygenase pathway for CVD, with potentially important implications for its treatment and diagnosis. We conclude with a discussion of the prospects for identifying CVD genes in the future and for potentially developing more effective therapeutic strategies.
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Affiliation(s)
- Christopher N Tymchuk
- Institute for Genetic Medicine, USC Keck School of Medicine, University of Southern California, 2250 Alcazar Street, IGM 240, Los Angeles, CA 90089-9075, USA
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22
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Abstract
Diabetic patients have a threefold higher risk of developing atherosclerosis and its clinical complications compared with nondiabetic individuals. Part of the cardiovascular risk associated with diabetes is probably due to genetic determinants influencing both glucose homeostasis and the development of atherosclerosis. However, type 2 diabetes frequently coexists with other cardiovascular risk factors such as arterial hypertension, central obesity, and dyslipidemia. Genetic variability affects many areas, such as lipid and energy metabolisms, hypertension and hemodynamic mechanisms, blood clotting homeostasis, inflammation, and matrix turnover in the vascular wall, and will have an impact on the development of macrovascular complications in diabetic patients. These individual susceptibility factors each contribute only a small increased risk interacting with environmental determinants.
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Affiliation(s)
- Frédéric Fumeron
- Inserm Unité 695, Faculté de Médecine Xavier Bichat, 16 rue Henri Huchard, Paris 75018, France
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23
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Yamada Y. Identification of Genetic Factors and Development of Genetic Risk Diagnosis Systems for Cardiovascular Diseases and Stroke. Circ J 2006; 70:1240-8. [PMID: 16998253 DOI: 10.1253/circj.70.1240] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Polymorphisms of GJA4 and CYBA and of PAI1 and MMP3 are associated with myocardial infarction (MI) in men and women, respectively. In addition, several polymorphisms associated with restenosis after percutaneous coronary intervention, coronary artery spasm, or hypertension have been identified. More recently, a large genetic epidemiological study was performed to identify additional gene polymorphisms that confer susceptibility to cardiovascular diseases, stroke, and other complex diseases. METHODS AND RESULTS The relationship of 202 polymorphisms in 152 candidate genes to MI, hypertension, ischemic or hemorrhagic stroke, metabolic syndrome, type 2 diabetes mellitus, obesity, or in-stent restenosis were examined in 5,000 unrelated Japanese individuals. Of these, 14 polymorphisms related to MI, 8 to atherothrombotic cerebral infarction, 9 to intracerebral hemorrhage, and 10 to subarachnoid hemorrhage were identified. This information was then used to develop risk diagnosis systems to predict the future risk for development of each disease in a given individual. CONCLUSIONS Identification of gene polymorphisms that confer susceptibility to cardiovascular diseases or stroke and the development of genetic risk diagnosis systems may contribute to the personalized prevention of these conditions.
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Affiliation(s)
- Yoshiji Yamada
- Department of Human Functional Genomics, Life Science Research Center, Mie University, Kurima-machiya, Tsu, Japan.
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