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Kim SB, Kim N, Park J, Hwang IC, Lim SH, Song DH, Choi Y, Yoon H, Shin CM, Park YS, Lee DH, Ahn S. Preventive effect of Helicobacter pylori eradication on the coronary heart diseases depending on age and sex with a median follow-up of 51 months. Helicobacter 2023:e12969. [PMID: 36946460 DOI: 10.1111/hel.12969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/21/2023] [Accepted: 03/03/2023] [Indexed: 03/23/2023]
Abstract
BACKGROUND The association between Helicobacter pylori (HP) infection and coronary heart disease (CHD) is controversial. This study aimed to investigate the effect of H. pylori eradication on CHD, especially in terms of age and sex. MATERIALS AND METHODS From May 2003 to March 2022, 4765 subjects with H. pylori infection and without CHD (median follow-up: 51 months) were prospectively enrolled. The participants were categorized into two groups: H. pylori eradication and H. pylori non-eradication. After propensity-score matching (PSM), the effect of H. pylori eradication on CHD was analyzed using Cox proportional hazards. RESULTS There were no significant differences in age, sex, alcohol consumption, smoking habits, history of diabetes, hypertension, and dyslipidemia, and aspirin intake between the eradication and non-eradication groups (3783 vs. 982) before and after PSM. Multivariate analysis after PSM showed that H. pylori eradication (HR: 0.489, CI: 0.314-0.761, p = .002), age (HR: 1.027, CI: 1.007-1.047, p = .007), hypertension (HR: 2.133, CI: 1.337-3.404, p = 001), dyslipidemia (HR: 1.758, CI: 1.086-2.848, p = .022), and aspirin intake (HR: 2.508, CI: 1.566-4.017, p < .001) were associated with CHD development. H. pylori eradication prevented CHD in males ≤65 years (HR: 0.133, CI: 0.039-0.455, p = .001), but not in those aged >65 years (p = .078) (p for interaction = .022). In contrast, females aged >65 years (HR: 0.260, CI: 0.110-0.615, p = .002) were protected by H. pylori eradication and not those ≤65 years (p = .485) (p for interaction = .003). This preventive effect increased more after PSM, particularly in males ≤65 years and females >65 years. CONCLUSIONS H. pylori eradication prevented CHD and this effect was different depending on age and sex.
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Affiliation(s)
- Sang Bin Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Nayoung Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
- Department of Internal Medicine and Liver Research Institute, Seoul National University, Seoul, South Korea
| | - Jaehyung Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - In-Chang Hwang
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Seon Hee Lim
- Department of Internal Medicine, Healthcare System Gangnam Center Seoul National University Hospital, and Healthcare Research Institute, Seoul, South Korea
| | - Du Hyun Song
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Yonghoon Choi
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Hyuk Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Cheol Min Shin
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Young Soo Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
| | - Dong Ho Lee
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
- Department of Internal Medicine and Liver Research Institute, Seoul National University, Seoul, South Korea
| | - Soyeon Ahn
- Medical Research Collaborating Center, Seoul National University Bundang Hospital, Seongnam, South Korea
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Tali LDN, Faujo GFN, Konang JLN, Dzoyem JP, Kouitcheu LBM. Relationship between active Helicobacter pylori infection and risk factors of cardiovascular diseases, a cross-sectional hospital-based study in a Sub-Saharan setting. BMC Infect Dis 2022; 22:731. [PMID: 36096730 PMCID: PMC9469600 DOI: 10.1186/s12879-022-07718-3] [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: 02/18/2022] [Accepted: 08/31/2022] [Indexed: 12/04/2022] Open
Abstract
Background Chronic inflammation has been reported as one of the novel coronary heart disease (CHD) risk factors. Knowing that Helicobacter pylori (H. pylori) provokes a local inflammation, the relationship between H. pylori infection and cardiovascular disease (CVD) has received considerable attention. However, the attempt to demonstrate the association between H. pylori and specific cardiovascular disease risk factors is always a challenging issue due to the conflicting reports in the literatures. Methods We performed a cross-sectional study of 363 consecutive dyspeptic subjects in three reference health facilities in Cameroon from October 2020 to October 2021. Each participation gave a written consent and the study was approved by the local Ethical Committee. Check-up for cardiovascular disease (CVD) risk factors such as dyslipidemia-related parameters, obesity-related parameter, high blood pressure as well as H. pylori detection was done for each participant. Data was analyzed using SSPS statistical package. Results Helicobacter pylori infection was significantly associated with higher total cholesterol level (OR: 2.3324, p = 0.0002) and higher LDL cholesterol level (OR: 2.3096, p = 0.0006). The crude OR of H. pylori status on the prevalence of high body mass index (BMI) was 1.0813 (p = 0.7300) and the adjusted OR for confounding factors was 1.1785 (p = 0.5095). The strength of the association between H. pylori infection and blood pressure, shows an OR of 1.3807 (p = 0.2991), 1.0060 (p = 0.9855) and 1.4646 (p = 0.2694) for diastolic pressure, hypertension and high heart rate respectively, while that of systolic pressure was 0.8135 (p = 0.4952). H. pylori infection is associated with dyslipidemia in our milieu.
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Affiliation(s)
- Lionel Danny Nguefak Tali
- Microbiology and Pharmacology Laboratory, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Ghislaine Florice Nintewoue Faujo
- Microbiology and Pharmacology Laboratory, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | | | - Jean Paul Dzoyem
- Microbiology and Pharmacology Laboratory, Department of Biochemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Laure Brigitte Mabeku Kouitcheu
- Medical Microbiology Laboratory, Department of Microbiology, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
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3
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Qiang L, Hu J, Tian M, Li Y, Ren C, Deng Y, Jiang Y. Extracellular vesicles from helicobacter pylori-infected cells and helicobacter pylori outer membrane vesicles in atherosclerosis. Helicobacter 2022; 27:e12877. [PMID: 35099837 DOI: 10.1111/hel.12877] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/26/2021] [Accepted: 01/11/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND The role of H. pylori infection has been reported in various extragastric diseases, particularly, the correlation between H. pylori and atherosclerosis (AS) have received lots of attention. Some scholars demonstrated that the presence of H. pylori-specific DNA in the sclerotic plaques of atheromatous patients provides biological evidences, with indicating that H. pylori infection is a potential factor of AS. However, the underlying mechanism of H. pylori or their products cross the epithelial barriers to enter the blood circulation remains unclear. Recent studies have shown that the extracellular vesicles (EVs) derived from H. pylori-infected gastric epithelial cells encapsulated H. pylori virulence factor cytotoxin-associated gene A (CagA) and existed in the blood samples of patients or mice, which indicating that they can carry CagA into the blood circulation. Based on these findings, some researchers proposed a hypothesis that H. pylori is involved in the pathogenesis of AS via EVs-based mechanisms. In addition, outer membrane vesicles (OMVs) serve as transport vehicles to deliver H. pylori virulence factors to epithelial cells. It is necessary to discuss the role of H. pylori OMVs in the development of AS. OBJECTIVES This review will focus on the correlation between H. pylori infection and AS and tried to unveil the possible role of EVs from H. pylori-infected cells and H. pylori OMVs in the pathogenesis of AS, with a view to providing help in refining our knowledge in this aspect. METHODS All of information included in this review was retrieved from published studies on H. pylori infection in AS. RESULTS H. pylori infection may be an atherosclerotic risk factor and drives researchers to reevaluate the role of H. pylori in the pathogenesis of AS. Some findings proposed a new hypothesis that H. pylori may be involved in the pathogenesis of AS through EVs-based mechanisms. Besides EVs from H. pylori-infected cells, whether H. pylori OMVs may play some role in the pathogenesis of AS is still remain unclear. CONCLUSION Existing epidemiological and clinical evidence had shown that there is a possible association between H. pylori and AS. However, except for the larger randomized controlled trials, more basic research about EVs from H. pylori-infected cells and H. pylori OMVs is the need of the hour to unveil the possible role of H. pylori infection in the pathogenesis of AS.
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Affiliation(s)
- Liming Qiang
- Department of Gastroenterology, West China-Guang'an Hospital, Sichuan University, Guang'an, China
| | - Jianguo Hu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Mingyuan Tian
- Department of Endocrinology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yu Li
- Clinical Medical College, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Chao Ren
- Clinical Medical College, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Yi Deng
- Clinical Medical College, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Yuan Jiang
- Clinical Medical College, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
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4
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Kountouras J, Papaefthymiou A, Polyzos SA, Deretzi G, Vardaka E, Soteriades ES, Tzitiridou-Chatzopoulou M, Gkolfakis P, Karafyllidou K, Doulberis M. Impact of Helicobacter pylori-Related Metabolic Syndrome Parameters on Arterial Hypertension. Microorganisms 2021; 9:microorganisms9112351. [PMID: 34835476 PMCID: PMC8618184 DOI: 10.3390/microorganisms9112351] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 10/28/2021] [Accepted: 11/10/2021] [Indexed: 12/12/2022] Open
Abstract
Arterial hypertension is a risk factor for several pathologies, mainly including cardio-cerebrovascular diseases, which rank as leading causes of morbidity and mortality worldwide. Arterial hypertension also constitutes a fundamental component of the metabolic syndrome. Helicobacter pylori infection is one of the most common types of chronic infection globally and displays a plethora of both gastric and extragastric effects. Among other entities, Helicobacter pylori has been implicated in the pathogenesis of the metabolic syndrome. Within this review, we illustrate the current state-of-the-art evidence, which may link several components of the Helicobacter pylori-related metabolic syndrome, including non-alcoholic fatty liver disease and arterial hypertension. In particular, current knowledge of how Helicobacter pylori exerts its virulence through dietary, inflammatory and metabolic pathways will be discussed. Although there is still no causative link between these entities, the emerging evidence from both basic and clinical research supports the proposal that several components of the Helicobacter pylori infection-related metabolic syndrome present an important risk factor in the development of arterial hypertension. The triad of Helicobacter pylori infection, the metabolic syndrome, and hypertension represents a crucial worldwide health problem on a pandemic scale with high morbidity and mortality, like COVID-19, thereby requiring awareness and appropriate management on a global scale.
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Affiliation(s)
- Jannis Kountouras
- Second Medical Clinic, School of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.P.); (M.T.-C.); (M.D.)
- Correspondence:
| | - Apostolis Papaefthymiou
- Second Medical Clinic, School of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.P.); (M.T.-C.); (M.D.)
- Department of Gastroenterology, University Hospital of Larisa, 41110 Larisa, Greece
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Stergios A. Polyzos
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Georgia Deretzi
- Multiple Sclerosis Unit, Department of Neurology, Papageorgiou General Hospital, 56403 Thessaloniki, Greece;
| | - Elisabeth Vardaka
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece;
| | - Elpidoforos S. Soteriades
- Healthcare Management Program, School of Economics and Management, Open University of Cyprus, Nicosia 2252, Cyprus;
- Department of Environmental Health, Environmental and Occupational Medicine and Epidemiology (EOME), Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - Maria Tzitiridou-Chatzopoulou
- Second Medical Clinic, School of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.P.); (M.T.-C.); (M.D.)
- School of Healthcare Sciences, Midwifery Department, University of West Macedonia, Koila, 50100 Kozani, Greece
| | - Paraskevas Gkolfakis
- Department of Gastroenterology, Hepatopancreatology and Digestive Oncology, Erasme University Hospital, 1070 Brussels, Belgium;
- Department of Medical Oncology, Institut Jules Bordet, 1000 Brussels, Belgium
| | - Kyriaki Karafyllidou
- Department of Pediatrics, University Children’s Hospital of Zurich, 8032 Zurich, Switzerland;
| | - Michael Doulberis
- Second Medical Clinic, School of Medicine, Ippokration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece; (A.P.); (M.T.-C.); (M.D.)
- First Laboratory of Pharmacology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
- Division of Gastroenterology and Hepatology, Medical University Department, Kantonsspital Aarau, 5001 Aarau, Switzerland
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5
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Abe Y, Kusano C, Takano C, Morioka I, Gotoda T. Association between Helicobacter pylori antibody-positive status and extragastric diseases in Japanese junior high school students. Pediatr Int 2021; 63:1087-1094. [PMID: 33351269 DOI: 10.1111/ped.14585] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 12/01/2020] [Accepted: 12/08/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Helicobacter pylori (H. pylori) infection causes various extragastric diseases. Its transmission route has still not been clarified. However, no large-scale studies have examined the extragastric diseases caused by H. pylori in adolescents. This study aimed to examine the association of H. pylori infection with anemia, serum cholesterol levels, physique, and birth delivery method (vaginal or cesarean) in a large number of Japanese adolescents. METHODS From 2016 to 2018, we screened 2,399 adolescents (aged 13-15 years) in their second and third years of junior high school using an enzyme-linked immunosorbent assay-based antibody test. Red blood cells, hemoglobin, hematocrit, total cholesterol, high-density lipoprotein (HDL) cholesterol, and serum antibody levels were measured. RESULTS Hemoglobin and hematocrit levels were significantly lower in the H. pylori antibody-positive group than in the H. pylori antibody-negative group in both sexes (boys: P = 0.0004 and 0.0022; girls: P = 0.0019 and 0.0005, respectively). Total cholesterol and non-HDL cholesterol levels were significantly higher in the H. pylori-positive group than in the H. pylori-negative group among boys (P = 0.0370 and 0.0293 respectively). There was no significant difference in body mass index percentile and birth delivery method between the H. pylori-positive and H. pylori-negative groups in both boys and girls. CONCLUSIONS Among Japanese junior high school students, H. pylori antibody-positive status was associated with anemia in both sexes while total cholesterol and non-HDL cholesterol levels were associated among boys. There was no association between H. pylori antibody status, body mass index percentile, and birth-delivery method.
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Affiliation(s)
- Yuriko Abe
- Medical Education Center, Nihon University School of Medicine, Tokyo, Japan.,Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | - Chika Kusano
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Chika Takano
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan.,Division of Microbiology, Department of Pathology and Microbiology, Nihon University School of Medicine, Tokyo, Japan
| | - Ichiro Morioka
- Department of Pediatrics and Child Health, Nihon University School of Medicine, Tokyo, Japan
| | - Takuji Gotoda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
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6
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Furuto Y, Kawamura M, Yamashita J, Yoshikawa T, Namikawa A, Isshiki R, Takahashi H, Shibuya Y. Relationship Between Helicobacter pylori Infection and Arteriosclerosis. Int J Gen Med 2021; 14:1533-1540. [PMID: 33935515 PMCID: PMC8079247 DOI: 10.2147/ijgm.s303071] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/01/2021] [Indexed: 12/19/2022] Open
Abstract
It is reported that Helicobacter pylori (H. pylori) infection may be linked to non-digestive tract diseases, such as arteriosclerosis including dyslipidemia, diabetes, obesity, hypertension, and cardiovascular disease. Therefore, we reviewed recent studies available in PubMed dealing with the mechanisms of arteriosclerosis due to H. pylori infection and the effects of H. pylori eradication. Conventional studies suggested that H. pylori infection may increase the risk of arteriosclerosis. A large interventional study is required to clarify the causal relationships and the effects of bacterial eradication.
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Affiliation(s)
- Yoshitaka Furuto
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Mariko Kawamura
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Jumpei Yamashita
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Takahiro Yoshikawa
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Akio Namikawa
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Rei Isshiki
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Hiroko Takahashi
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
| | - Yuko Shibuya
- Department of Hypertension and Nephrology, NTT Medical Centre, Tokyo, Japan
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7
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Xia X, Zhang L, Chi J, Li H, Liu X, Hu T, Li R, Guo Y, Zhang X, Wang H, Cai J, Li Y, Liu D, Cui Y, Zheng X, Flaker GC, Liao D, Hao H, Liu Z, Xu C. Helicobacter pylori Infection Impairs Endothelial Function Through an Exosome-Mediated Mechanism. J Am Heart Assoc 2020; 9:e014120. [PMID: 32174233 PMCID: PMC7335532 DOI: 10.1161/jaha.119.014120] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Epidemiological studies have suggested an association between Helicobacter pylori (H pylori) infection and atherosclerosis through undefined mechanisms. Endothelial dysfunction is critical to the development of atherosclerosis and related cardiovascular diseases. The present study was designed to test the hypothesis that H pylori infection impaires endothelial function through exosome‐mediated mechanisms. Methods and Results Young male and female patients (18‐35 years old) with and without H pylori infection were recruited to minimize the chance of potential risk factors for endothelial dysfunction for the study. Endothelium‐dependent flow‐mediated vasodilatation of the brachial artery was evaluated in the patients and control subjects. Mouse infection models with CagA+H pylori from a gastric ulcer patient were created to determine if H pylori infection‐induced endothelial dysfunction could be reproduced in animal models. H pylori infection significantly decreased endothelium‐dependent flow‐mediated vasodilatation in young patients and significantly attenuated acetylcholine‐induced endothelium‐dependent aortic relaxation without change in nitroglycerin‐induced endothelium‐independent vascular relaxation in mice. H pylori eradication significantly improved endothelium‐dependent vasodilation in both patients and mice with H pylori infection. Exosomes from conditioned media of human gastric epithelial cells cultured with CagA+H pylori or serum exosomes from patients and mice with H pylori infection significantly decreased endothelial functions with decreased migration, tube formation, and proliferation in vitro. Inhibition of exosome secretion with GW4869 effectively preserved endothelial function in mice with H pylori infection. Conclusions H pylori infection impaired endothelial function in patients and mice through exosome‐medicated mechanisms. The findings indicated that H pylori infection might be a novel risk factor for cardiovascular diseases.
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Affiliation(s)
- Xiujuan Xia
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China.,Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Linfang Zhang
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China.,Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Jingshu Chi
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China.,Departments of Cardiology Third Xiangya Hospital, Central South University Changsha China
| | - Huan Li
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Xiaoming Liu
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Tingzi Hu
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Rong Li
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Yinjie Guo
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Xue Zhang
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Hui Wang
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
| | - Jin Cai
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Yixi Li
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Da Liu
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO.,Division of Stem Cell Regulation and Application Hunan University of Chinese Medicine Changsha China
| | - Yuqi Cui
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Xilong Zheng
- Department of Physiology and Pharmacology University of Calgary Alberta Canada
| | - Gregory C Flaker
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Duanfang Liao
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO.,Division of Stem Cell Regulation and Application Hunan University of Chinese Medicine Changsha China
| | - Hong Hao
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Zhenguo Liu
- Center for Precision Medicine and Division of Cardiovascular Medicine University of Missouri School Columbia MO
| | - Canxia Xu
- Departments of Gastroenterology Third Xiangya Hospital, Central South University Changsha China
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8
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The Association of Helicobacter pylori Infection with Endothelial Dysfunction in Pediatric Patients. ARCHIVES OF PEDIATRIC INFECTIOUS DISEASES 2018. [DOI: 10.5812/pedinfect.82540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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9
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The Association of Helicobacter pylori Infection with Endothelial Dysfunction in Pediatric Patients. ARCHIVES OF PEDIATRIC INFECTIOUS DISEASES 2018. [DOI: 10.5812/apid.82540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Lee M, Baek H, Park JS, Kim S, Kyung C, Baik SJ, Lee BK, Kim JH, Ahn CW, Kim KR, Kang S. Current Helicobacter pylori infection is significantly associated with subclinical coronary atherosclerosis in healthy subjects: A cross-sectional study. PLoS One 2018; 13:e0193646. [PMID: 29499055 PMCID: PMC5834174 DOI: 10.1371/journal.pone.0193646] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 02/15/2018] [Indexed: 12/14/2022] Open
Abstract
Helicobacter pylori is a gastrointestinal pathogen known to be associated with cardiovascular disease (CVD). However, most analyses about the effect of H. pylori infection have been done in patients with a history of CVD but not in healthy subjects. We evaluated the association between H. pylori infection and subclinical atherosclerosis by using cardiac multidetector computed tomography (MDCT) in healthy subjects without previous CVD. From December 2007 to February 2014, 463 subjects who underwent the rapid urease test (CLO test), pulse-wave velocity (PWV) measurement, and MDCT for a self-referred health check-up were enrolled to this study. Helicobacter pylori infection was defined on the basis of CLO test positivity on endoscopic gastric biopsy. Significant coronary artery stenosis was defined as ≥50% stenosis in any of the major epicardial coronary vessel on MDCT. The CLO-positive subjects had a lower high-density lipoprotein-cholesterol (HDL-cholesterol) level compared to the CLO-negative subjects. The incidence of significant coronary stenosis was higher in the CLO-positive group (7.6% vs. 2.9%, P = 0.01). Furthermore, the number of subjects with coronary artery calcium score >0 and log{(number of segments with plaque)+1} were also significantly higher in the CLO-positive group. However, there was no statistical difference in the number of subjects with coronary artery calcium score >100, the prevalence of any plaque nor the plaque characteristics (calcified, mixed, or soft). Pulse-wave velocity (PWV) was neither associated with CLO test positivity. The CLO-positive group was 3-fold more likely to have significant coronary artery stenosis even after adjusting for confounding factors (adjusted odds ratio 2.813, 95% confidence interval 1.051–7.528, P = 0.04). In a healthy population, current H. pylori infection was associated with subclinical but significant coronary artery stenosis. The causal relationship between H. pylori infection and subclinical atherosclerosis in a “healthy” population remains to be investigated in the future.
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Affiliation(s)
- Minyoung Lee
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Haeri Baek
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
- Department of Internal Medicine, H-plus Yangji General Hospital, Seoul, Korea
| | - Jong Suk Park
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
- Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea
| | - Sohee Kim
- Aswell convalescent hospital, Gwangju, Korea
| | - Chanhee Kyung
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
- Rhin Hospital, Gyeonggi-do, Korea
| | - Su Jung Baik
- Healthcare Research Team, Health Promotion Center, Gangnam Severance Hospital, Seoul, Korea
| | - Byoung Kwon Lee
- Division of Cardiology, Department of Internal Medicine Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jie-Hyun Kim
- Division of Gastroenterology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Chul Woo Ahn
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
- Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea
| | - Kyung Rae Kim
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Shinae Kang
- Division of Endocrinology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
- Severance Institute for Vascular and Metabolic Research, Yonsei University College of Medicine, Seoul, Korea
- * E-mail:
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11
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Vijayvergiya R, Vadivelu R. Role of Helicobacter pylori infection in pathogenesis of atherosclerosis. World J Cardiol 2015; 7:134-143. [PMID: 25810813 PMCID: PMC4365310 DOI: 10.4330/wjc.v7.i3.134] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 12/01/2014] [Indexed: 02/06/2023] Open
Abstract
Though a century old hypothesis, infection as a cause for atherosclerosis is still a debatable issue. Epidemiological and clinical studies had shown a possible association but inhomogeneity in the study population and study methods along with potential confounders have yielded conflicting results. Infection triggers a chronic inflammatory state which along with other mechanisms such as dyslipidemia, hyper-homocysteinemia, hypercoagulability, impaired glucose metabolism and endothelial dysfunction, contribute in pathogenesis of atherosclerosis. Studies have shown a positive relations between Cytotoxic associated gene-A positive strains of Helicobacter pylori and vascular diseases such as coronary artery disease and stroke. Infection mediated genetic modulation is a new emerging theory in this regard. Further large scale studies on infection and atherosclerosis focusing on multiple pathogenetic mechanisms may help in refining our knowledge in this aspect.
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Abstract
The connection between Helicobacter pylori (Hp) infection and eye diseases has been increasingly reported in the literature and in active research. The implication of this bacterium in chronic eye diseases, such as blepharitis, glaucoma, central serous chorioretinopathy and others, has been hypothesized. Although the mechanisms by which this association occurs are currently unknown, this review describes shared pathogenetic mechanisms in an attempt to identify a lowest common denominator between eye diseases and Hp infection. The aim of this review is to assess whether different studies could be compared and to establish whether or not Hp infection and Eye diseases share common pathogenetic aspects. In particular, it has been focused on oxidative damage as a possible link between these pathologies. Text word search in Medline from 1998 to July 2014. 152 studies were included in our review. Were taken into considerations only studies that related eye diseases more frequent and/or known. Likely oxidative stress plays a key role. All of the diseases studied seem to follow a common pattern that implicates a cellular response correlated with a sublethal dose of oxidative stress. These alterations seem to be shared by both Hp infections and ocular diseases and include the following: decline in mitochondrial function, increases in the rate of reactive oxygen species production, accumulation of mitochondrial DNA mutations, increases in the levels of oxidative damage to DNA, proteins and lipids, and decreases in the capacity to degrade oxidatively damaged proteins and other macromolecules. This cascade of events appears to repeat itself in different diseases, regardless of the identity of the affected tissue. The trabecular meshwork, conjunctiva, and retina can each show how oxidative stress may acts as a common disease effector as the Helicobacter infection spreads, supported by the increased oxidative damage and other inflammation.
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Affiliation(s)
- Sergio Claudio Saccà
- From the IRCCS Azienda Ospedaliera Universitaria San Martino - IST Department of Head/Neck Pathologies, St Martino Hospital, Ophthalmology Unit, 16132 Genoa, Italy (SCS); Department of Neurosciences, Ophthalmology and Genetics, University of Genoa, Eye Clinic, 16132 Genoa, Italy (AV); Department of Health Sciences, University of Genoa, 16132 Genoa, Italy (AP, AI); Mutagenesis Unit, IRCCS Azienda Ospedaliera Universitaria San Martino - IST, National Institute for Cancer Research, 16132 Genoa, Italy (AI)
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He C, Yang Z, Lu NH. Helicobacter pylori-an infectious risk factor for atherosclerosis? J Atheroscler Thromb 2014; 21:1229-42. [PMID: 25342566 DOI: 10.5551/jat.25775] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Accumulating evidence implicates Helicobacter pylori (H. pylori) infection in the pathogenesis of certain diseases localized outside the stomach, particularly those characterized by persistent and low-grade systematic inflammation. Recently, the role of H. pylori infection in the development of atherosclerosis and its clinical complications has received attention. Atherosclerosis is a high-cost disease, and acute events resulting from this condition rank first among morbidity and mortality statistics in most industrialized countries. Atherosclerosis is a multifactorial disorder, and traditional risk factors explain only 50% of its etiology. Therefore, identifying new risk factors for atherosclerosis is necessary. Serological studies indicate that chronic H. pylori infection, especially that with more virulent strains, may predispose patients to the onset of atherosclerosis and related adverse clinical events, and PCR studies have detected H. pylori DNA in atherosclerotic plaques, although this finding remains controversial. If this association were to be confirmed, its importance to public health would be substantial, as the eradication of H. pylori is more straightforward and less costly than the long-term treatment of other risk factors. This review investigates the potential relationship between H. pylori infection and atherosclerosis from both epidemiological and pathogenic perspectives and characterizes the potential mechanisms underlying this correlation.
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Affiliation(s)
- Cong He
- Department of Gastroenterology, The First Affiliated Hospital of Nanchang University
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Abstract
his review summarizes the articles published on Helicobacter pylori infection in children between April 2008 and March 2009. Recent evidence highlights the decreasing prevalence trend of H. pylori infection and supports both intrafamilial and extrafamilial transmission. The association with various symptoms is still being debated. Interestingly, H. pylori infection seems inversely associated with allergic diseases. Monoclonal stool antigen tests are widely used and accurate for the diagnosis of H. pylori infection, but less accurate in young children. The new biprobe real-time PCR assay applied to stools showed a poor sensitivity in children. Using the urea hydrolysis rate next to the delta over baseline values, the (13)C-urea breath test provides excellent results for all age children, even for young children. Treatment of H. pylori infection remains a challenge, considering suboptimal efficacy of current therapy. Among emerging alternatives, sequential treatment appears promising. The adjunction of probiotics to conventional regimens, although eliciting great interest, has shown limited therapeutic benefit.
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Affiliation(s)
- Angelika Kindermann
- Department of Pediatric Gastroenterology, Emma's Children's Hospital, University of Amsterdam, Amsterdam, The Netherlands
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