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Lee DY, Han K, Yu JH, Park S, Seo JA, Kim NH, Yoo HJ, Kim SG, Kim SM, Choi KM, Baik SH, Park YG, Kim NH. Prognostic value of long-term gamma-glutamyl transferase variability in individuals with diabetes: a nationwide population-based study. Sci Rep 2020; 10:15375. [PMID: 32958798 PMCID: PMC7506020 DOI: 10.1038/s41598-020-72318-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 08/19/2020] [Indexed: 11/09/2022] Open
Abstract
We examined whether long-term gamma-glutamyl transferase (GGT) variability can predict cardiovascular disease (CVD) and mortality in individuals with diabetes. We included 698,937 Koreans diabetes patients older than 40 years without histories of CVD, chronic liver disease, or heavy alcoholics who received health exams supported by the Korean government more than once in 2009-2012 (baseline). We used Cox proportional analyses to estimate the risk of stroke, myocardial infarction (MI), and all-cause mortality until December 31, 2016, according to the quartiles of the average successive variability (ASV) of GGT measured during the five years before the baseline. A total 26,119, 15,103, and 39,982 cases of stroke, MI, and death, respectively, were found. GGT ASV quartile 4 had a significantly higher risk of stroke and all-cause mortality than quartile 1, with adjustment for risk factors, such as baseline glucose and GGT level, and comorbidities. Hazard ratios (95% confidence intervals) for GGT ASV quartile 4 were 1.06 (1.03-1.10) and 1.23 (1.20-1.27) for stroke and mortality, respectively. This significant association was shown consistently across the baseline GGT quartiles. GGT variability was related to the risk of stroke and all-cause mortality. The effect was most pronounced in all-cause mortality, irrespective of baseline GGT level.
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Affiliation(s)
- Da Young Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kyungdo Han
- Department of Biostatics, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Ji Hee Yu
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sanghyun Park
- Department of Biostatics, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Ji A Seo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Nam Hoon Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hye Jin Yoo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sin Gon Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Seon Mee Kim
- Department of Family Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Kyung Mook Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sei Hyun Baik
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea
| | - Yong Gyu Park
- Department of Biostatics, College of Medicine, The Catholic University of Korea, 222, Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
| | - Nan Hee Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
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Ndrepepa G, Colleran R, Kastrati A. Gamma-glutamyl transferase and the risk of atherosclerosis and coronary heart disease. Clin Chim Acta 2018; 476:130-138. [DOI: 10.1016/j.cca.2017.11.026] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 11/21/2017] [Accepted: 11/23/2017] [Indexed: 02/08/2023]
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Ndrepepa G, Kastrati A. Gamma-glutamyl transferase and cardiovascular disease. ANNALS OF TRANSLATIONAL MEDICINE 2016; 4:481. [PMID: 28149843 DOI: 10.21037/atm.2016.12.27] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Gamma-glutamyl transferase (GGT) is an enzyme located on the external surface of cellular membranes. GGT contributes in maintaining the physiological concentrations of cytoplasmic glutathione and cellular defense against oxidative stress via cleavage of extracellular glutathione and increased availability of amino acids for its intracellular synthesis. Increased GGT activity is a marker of antioxidant inadequacy and increased oxidative stress. Ample evidence suggests that elevated GGT activity is associated with increased risk of cardiovascular disease (CVD) such as coronary heart disease (CHD), stroke, arterial hypertension, heart failure, cardiac arrhythmias and all-cause and CVD-related mortality. The evidence is weaker for an association between elevated GGT activity and acute ischemic events and myocardial infarction. The risk for CVD or CVD-related mortality mediated by GGT may be explained by the close correlation of GGT with conventional CVD risk factors and various comorbidities, particularly non-alcoholic fatty liver disease, alcohol consumption, oxidative stress, metabolic syndrome, insulin resistance and systemic inflammation. The finding of GGT activity in atherosclerotic plaques and correlation of intra-plaque GGT activity with histological indexes of plaque instability may suggest a participation of GGT in the pathophysiology of CVD, particularly atherosclerosis. However, whether GGT has a direct role in the pathophysiology of CVD or it is an epiphenomenon of coexisting CVD risk factors or comorbidities remains unknown and Hill's criteria of causality relationship between GGT and CVD are not fulfilled. The exploration whether GGT provides prognostic information on top of the information provided by known cardiovascular risk factors regarding the CVD or CVD-related outcome and exploration of molecular mechanisms of GGT involvement in the pathophysiology of CVD and eventual use of interventions to reduce circulating GGT activity remain a duty of future studies.
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Affiliation(s)
- Gjin Ndrepepa
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Adnan Kastrati
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany;; DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
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Ndrepepa G, Colleran R, Luttert A, Braun S, Cassese S, Kufner S, Hieber J, Fusaro M, Laugwitz KL, Schunkert H, Kastrati A. Prognostic value of gamma-glutamyl transferase in patients with diabetes mellitus and coronary artery disease. Clin Biochem 2016; 49:1127-1132. [PMID: 27220059 DOI: 10.1016/j.clinbiochem.2016.05.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 05/09/2016] [Accepted: 05/18/2016] [Indexed: 12/17/2022]
Abstract
OBJECTIVES The aim of the study was to investigate the association between gamma-glutamyl transferase (GGT) activity and mortality in patients with diabetes mellitus and coronary artery disease (CAD). DESIGN AND METHODS The study included 1448 patients with diabetes and angiography-proven CAD who underwent percutaneous coronary intervention (PCI). Baseline GGT measurements were available in all patients. The primary outcome was 3-year mortality. RESULTS Patients were divided into 3 groups: a group consisting of patients with a GGT activity in the 1st tertile (GGT≤29.4U/L; n=487), a group consisting of patients with a GGT activity in the 2nd tertile (GGT>29.4-52.5U/L; n=479) and a group consisting of patients with GGT in the 3rd tertile (GGT>52.5U/L; n=482). Overall, there were 179 deaths: 46 (11.9%), 49 (12.1%) and 84 deaths (21.4%) among patients of the 1st, 2nd and 3rd GGT tertiles, respectively (adjusted hazard ratio [HR]=1.25, 95% confidence interval [CI] 1.05-1.49, P=0.011). Cardiac death occurred in 101 patients: 22 (5.8%), 30 (7.2%) and 49 deaths (12.9%) among patients of the 1st, 2nd and 3rd GGT tertiles, respectively (adjusted HR=1.23 [0.96-1.58], P=0.104, with risk estimates calculated per standard deviation increase in the logarithmic scale of GGT). GGT improved the risk prediction of models of all-cause (P=0.020) but not cardiac (P=0.135) mortality (P values show the difference in C-statistics between the models without and with GGT). CONCLUSION In patients with diabetes and CAD treated with PCI, elevated GGT was independently associated with the risk of 3-year all-cause mortality.
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Affiliation(s)
- Gjin Ndrepepa
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany.
| | - Roisin Colleran
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Anke Luttert
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Siegmund Braun
- Department of Laboratory Medicine, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Salvatore Cassese
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Sebastian Kufner
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Julia Hieber
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Massimiliano Fusaro
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Karl-Ludwig Laugwitz
- 1.Medizinische Klinik, Klinikum rechts der Isar, Technische Universität, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Heribert Schunkert
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Adnan Kastrati
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
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Ndrepepa G, Braun S, Cassese S, Fusaro M, Laugwitz KL, Schunkert H, Kastrati A. Relation of Gamma-Glutamyl Transferase to Cardiovascular Events in Patients With Acute Coronary Syndromes. Am J Cardiol 2016; 117:1427-32. [PMID: 26956636 DOI: 10.1016/j.amjcard.2016.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/08/2016] [Accepted: 02/08/2016] [Indexed: 11/28/2022]
Abstract
The prognostic value of gamma-glutamyl transferase (GGT) in patients with acute coronary syndromes (ACS) has been incompletely investigated. We investigated this clinically relevant question in 2,534 consecutive patients with ACS who underwent percutaneous coronary intervention (PCI). GGT activity was measured before PCI procedure in all patients. Statin therapy at hospital discharge was prescribed in 94% of the patients. The primary outcome was 3-year mortality. Patients were divided into 3 groups: the group with GGT in the first tertile (GGT <28 U/L; n = 848 patients), the group with GGT in the second tertile (GGT 28 to <50 U/L; n = 843 patients), and the group with GGT in the third tertile (GGT ≥50 U/L; n = 843 patients). The primary outcome (all-cause deaths) occurred in 250 patients: 70 deaths (9.7%) among patients of the first, 69 deaths (9.0%) among patients of the second, and 111 deaths (14.8%) among patients of the third GGT tertile (adjusted hazard ratio [HR] 1.24, 95% CI 1.08 to 1.42, p = 0.002) and cardiac and noncardiac deaths occurred in 157 (63%) and 93 patients (37%), respectively. GGT was associated with the increased risk of noncardiac mortality (adjusted HR 1.35 [1.09 to 1.66], p = 0.005) but not cardiac mortality (adjusted HR 1.16 [0.97 to 1.38], p = 0.098; all 3 risk estimates were calculated per SD increase in the logarithmic scale of GGT activity). In conclusion, in contemporary patients with ACS treated with PCI and on statin therapy, elevated GGT activity was associated with the increased risk of all-cause and noncardiac mortality but not with the risk of cardiac mortality.
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Affiliation(s)
- Gjin Ndrepepa
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany.
| | - Siegmund Braun
- Department of Laboratory Medicine, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Salvatore Cassese
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Massimiliano Fusaro
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany
| | - Karl-Ludwig Laugwitz
- 1.Medizinische Klinik, Klinikum rechts der Isar, Technische Universität, Munich, Germany; German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
| | - Heribert Schunkert
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany; German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
| | - Adnan Kastrati
- Department of Adult Cardiology, Deutsches Herzzentrum München, Technische Universität, Munich, Germany; German Centre for Cardiovascular Research (DZHK), partner site Munich Heart Alliance, Munich, Germany
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Pan X, Hou R, Ma A, Wang T, Wu M, Zhu X, Yang S, Xiao X. Atorvastatin Upregulates the Expression of miR-126 in Apolipoprotein E-knockout Mice with Carotid Atherosclerotic Plaque. Cell Mol Neurobiol 2016; 37:29-36. [PMID: 26886754 DOI: 10.1007/s10571-016-0331-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 01/13/2016] [Indexed: 01/14/2023]
Abstract
Carotid atherosclerosis (AS) is a chronic inflammatory disease of the carotid arterial wall, which is very important in terms of the occurrence of cerebral vascular accidents. Studies have demonstrated that microRNAs (miRNAs) and their target genes are involved in the formation of atherosclerosis and that atorvastatin might reduce atherosclerotic plaques by regulating the expression of miRNAs. However, the related mechanism is not yet known. In this study, we first investigated the effects of atorvastatin on miR-126 and its target gene, i.e., vascular cell adhesion molecule-1 (VCAM-1) in apolipoprotein E-knockout (ApoE-/-) mice with carotid atherosclerotic plaque in vivo. We compared the expressions of miR-126 and VCAM-1 between the control, atherosclerotic model and atorvastatin treatment groups of ApoE-/- mice using RT-PCR and Western blot. We found the miR-126 expression was significantly down-regulated, and the VCAM-1 expression was significantly up-regulated in the atherosclerotic model group, which accelerated the progression of atherosclerosis in the ApoE-/- mice. These results following atorvastatin treatment indicated that miR-126 expression was significantly up-regulated, VCAM-1 expression was significantly down-regulated and atherosclerotic lesions were reduced. The present results might explain the mechanism by which miR-126 is involved in the formation of atherosclerosis in vivo. Our study first indicated that atorvastatin might exert its anti-inflammatory effects in atherosclerosis by regulating the expressions of miR-126 and VCAM-1 in vivo.
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Affiliation(s)
- Xudong Pan
- Department of Neurology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266003, Shandong, People's Republic of China
| | - Rongyao Hou
- Department of Neurology, The Affiliated Hiser Hospital of Qingdao University, Qingdao, 266033, People's Republic of China
| | - Aijun Ma
- Department of Neurology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266003, Shandong, People's Republic of China.
| | - Ting Wang
- Department of Neurology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266003, Shandong, People's Republic of China
| | - Mei Wu
- Laboratory of Human Micromorphology, the Medical College of Qingdao University, Qingdao, 266100, People's Republic of China
| | - Xiaoyan Zhu
- Department of Critical Care Medicine, the Affiliated Hiser Hospital of Qingdao University, Qingdao, 266033, People's Republic of China
| | - Shaonan Yang
- Department of Neurology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266003, Shandong, People's Republic of China
| | - Xing Xiao
- Department of Neurology, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266003, Shandong, People's Republic of China
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