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Hou R, Dou J, Wu L, Zhang X, Li C, Wang W, Gao Z, Tang X, Yan L, Wan Q, Luo Z, Qin G, Chen L, Ji J, He Y, Wang W, Mu Y, Zheng D. Development and validation of a machine learning-based model to predict isolated post-challenge hyperglycemia in middle-aged and elder adults: Analysis from a multicentric study. Diabetes Metab Res Rev 2024; 40:e3832. [PMID: 39031573 DOI: 10.1002/dmrr.3832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 01/02/2024] [Accepted: 05/31/2024] [Indexed: 07/22/2024]
Abstract
INTRODUCTION Due to the high cost and complexity, the oral glucose tolerance test is not adopted as the screening method for identifying diabetes patients, which leads to the misdiagnosis of patients with isolated post-challenge hyperglycemia (IPH), that is., patients with normal fasting plasma glucose (<7.0 mmoL/L) and abnormal 2-h postprandial blood glucose (≥11.1 mmoL/L). We aimed to develop a model to differentiate individuals with IPH from the normal population. METHODS Data from 54301 eligible participants were obtained from the Risk Evaluation of Cancers in Chinese Diabetic Individuals: a longitudinal (REACTION) study in China. Data from 37740 participants were used to develop the diagnostic system. External validation was performed among 16561 participants. Three machine learning algorithms were used to create the predictive models, which were further evaluated by various classification algorithms to establish the best predictive model. RESULTS Ten features were selected to develop an IPH diagnosis system (IPHDS) based on an artificial neural network. In external validation, the AUC of the IPHDS was 0.823 (95% CI 0.811-0.836), which was significantly higher than the AUC of the Taiwan model [0.799 (0.786-0.813)] and that of the Chinese Diabetes Risk Score model [0.648 (0.635-0.662)]. The IPHDS model had a sensitivity of 75.6% and a specificity of 74.6%. This model outperformed the Taiwan and CDRS models in subgroup analyses. An online site with instant predictions was deployed at https://app-iphds-e1fc405c8a69.herokuapp.com/. CONCLUSIONS The proposed IPHDS could be a convenient and user-friendly screening tool for diabetes during health examinations in a large general population.
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Affiliation(s)
- Rui Hou
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
- Beijing Center for Disease Prevention and Control, Beijing, China
| | - Jingtao Dou
- Department of Endocrinology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Lijuan Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Xiaoyu Zhang
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, China
| | - Changwei Li
- Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA
| | - Weiqing Wang
- National Clinical Research Center for Metabolic Diseases, State Key Laboratory of Medical Genomics, Shanghai Clinical Center for Endocrine and Metabolic Diseases, Shanghai Institute for Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Zhengnan Gao
- Dalian Central Hospital, Dalian, Liaoning, China
| | - Xulei Tang
- First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Li Yan
- Zhongshan University Sun Yat-sen Memorial Hospital, Guangzhou, Guangdong, China
| | - Qin Wan
- Southwest Medical University Affiliated Hospital, Luzhou, Sichuan, China
| | - Zuojie Luo
- First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Guijun Qin
- First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Lulu Chen
- Wuhan Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jianguang Ji
- Center for Primary Health Care Research, Lund University/Region Skåne, Malmö, Sweden
| | - Yan He
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
| | - Wei Wang
- Centre for Precision Health, Edith Cowan University, Perth, Western Australia, Australia
| | - Yiming Mu
- Department of Endocrinology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Deqiang Zheng
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, Beijing, China
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Fan S, Yang Y, Li X, Liu J, Qiu Y, Yan L, Ren M. Association between heme oxygenase-1 and hyperlipidemia in pre-diabetic patients: a cross-sectional study. Front Endocrinol (Lausanne) 2024; 15:1380163. [PMID: 38846488 PMCID: PMC11153693 DOI: 10.3389/fendo.2024.1380163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/29/2024] [Indexed: 06/09/2024] Open
Abstract
Background Although the importance and benefit of heme oxygenase-1 (HO-1) in diabetes rodent models has been known, the contribution of HO-1 in the pre-diabetic patients with hyperlipidemia risk still remains unclear. This cross-sectional study aims to evaluate whether HO-1 is associated with hyperlipidemia in pre-diabetes. Methods Serum level of HO-1 was detected using commercially available ELISA kit among 1,425 participants aged 49.3-63.9 with pre-diabetes in a multicenter Risk Evaluation of cAncers in Chinese diabeTic Individuals: A lONgitudinal (REACTION) prospective observational study. Levels of total cholesterol (TC) and triglyceride (TG) were measured and used to defined hyperlipidemia. The association between HO-1 and hyperlipidemia was explored in different subgroups. Result The level of HO-1 in pre-diabetic patients with hyperlipidemia (181.72 ± 309.57 pg/ml) was obviously lower than that in pre-diabetic patients without hyperlipidemia (322.95 ± 456.37 pg/ml). High level of HO-1 [(210.18,1,746.18) pg/ml] was negatively associated with hyperlipidemia (OR, 0.60; 95% CI, 0.37-0.97; p = 0.0367) after we adjusted potential confounding factors. In subgroup analysis, high level of HO-1 was negatively associated with hyperlipidemia in overweight pre-diabetic patients (OR, 0.50; 95% CI, 0.3-0.9; p = 0.034), especially in overweight women (OR, 0.42; 95% CI, 0.21-0.84; p = 0.014). Conclusions In conclusion, elevated HO-1 level was negatively associated with risk of hyperlipidemia in overweight pre-diabetic patients, especially in female ones. Our findings provide information on the exploratory study of the mechanism of HO-1 in hyperlipidemia, while also suggesting that its mechanism may be influenced by body weight and gender.
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Affiliation(s)
- Shujin Fan
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
| | - Yulin Yang
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
| | - Xiaoyu Li
- Department of Gastroenterology, The First People’s Hospital of Foshan, Foshan, China
| | - Jing Liu
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
| | - Yue Qiu
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
| | - Li Yan
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
| | - Meng Ren
- Department of Endocrinology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
- Guangdong Clinical Research Center for Metabolic Diseases, Guangzhou Key Laboratory for Metabolic Diseases, Guangzhou, China
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Wang Y, Hong X, Cao W, Lv J, Yu C, Huang T, Sun D, Liao C, Pang Y, Pang Z, Yu M, Wang H, Wu X, Liu Y, Gao W, Li L. Age effect on the shared etiology of glycemic traits and serum lipids: evidence from a Chinese twin study. J Endocrinol Invest 2024; 47:535-546. [PMID: 37524979 DOI: 10.1007/s40618-023-02164-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 07/24/2023] [Indexed: 08/02/2023]
Abstract
PURPOSE Diabetes and dyslipidemia are among the most common chronic diseases with increasing global disease burdens, and they frequently occur together. The study aimed to investigate differences in the heritability of glycemic traits and serum lipid indicators and differences in overlapping genetic and environmental influences between them across age groups. METHODS This study included 1189 twin pairs from the Chinese National Twin Registry and divided them into three groups: aged ≤ 40, 41-50, and > 50 years old. Univariate and bivariate structural equation models (SEMs) were conducted on glycemic indicators and serum lipid indicators, including blood glucose (GLU), glycated hemoglobin A1c (HbA1c), total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C), in the total sample and three age groups. RESULTS All phenotypes showed moderate to high heritability (0.37-0.64). The heritability of HbA1c demonstrated a downward trend with age (HbA1c: 0.50-0.79), while others remained relatively stable (GLU: 0.55-0.62, TC: 0.58-0.66, TG: 0.50-0.63, LDL-C: 0.24-0.58, HDL-C: 0.31-0.57). The bivariate SEMs demonstrated that GLU and HbA1c were correlated with each serum lipid indicator (0.10-0.17), except HDL-C. Except for HbA1c and LDL-C, as well as HbA1c and HDL-C, differences in genetic correlations underlying glycemic traits and serum lipids between age groups were observed, with the youngest group showing a significantly higher genetic correlation than the oldest group. CONCLUSION Across the whole adulthood, genetic influences were consistently important for GLU, TC, TG, LDL-C and HDL-C, and age may affect the shared genetic influences between glycemic traits and serum lipids. Further studies are needed to elucidate the role of age in the interactions of genes related to glycemic traits and serum lipids.
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Affiliation(s)
- Y Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - X Hong
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - W Cao
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - J Lv
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - C Yu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - T Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - D Sun
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - C Liao
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Y Pang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Z Pang
- Qingdao Center for Disease Control and Prevention, Qingdao, China
| | - M Yu
- Zhejiang Center for Disease Control and Prevention, Hangzhou, China
| | - H Wang
- Jiangsu Center for Disease Control and Prevention, Nanjing, China
| | - X Wu
- Sichuan Center for Disease Control and Prevention, Chengdu, China
| | - Y Liu
- Heilongjiang Center for Disease Control and Prevention, Harbin, China
| | - W Gao
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China.
| | - L Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China.
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Li D, Li Y, Wang C, Jiang H, Zhao L, Hong X, Lin M, Luan Y, Shen X, Chen Z, Zhang W. Elevation of Hemoglobin A1c Increases the Atherosclerotic Plaque Vulnerability and the Visit-to-Visit Variability of Lipid Profiles in Patients Who Underwent Elective Percutaneous Coronary Intervention. Front Cardiovasc Med 2022; 9:803036. [PMID: 35187124 PMCID: PMC8852677 DOI: 10.3389/fcvm.2022.803036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/11/2022] [Indexed: 02/05/2023] Open
Abstract
Background Increased plaque vulnerability and higher lipid variability are causes of adverse cardiovascular events. Despite a close association between glucose and lipid metabolisms, the influence of elevated glycated hemoglobin A1c (HbA1c) on plaque vulnerability and lipid variability remains unclear. Methods Among subjects undergoing percutaneous coronary intervention (PCI) from 2009 through 2019, 366 patients received intravascular optical coherence tomography (OCT) assessment and 4,445 patients underwent the scheduled follow-ups within 1 year after PCI. Vulnerability features of culprit vessels were analyzed by OCT examination, including the assessment of lipid, macrophage, calcium, and minimal fibrous cap thickness (FCT). Visit-to-visit lipid variability was determined by different definitions including standard deviation (SD), coefficient of variation (CV), and variability independent of the mean (VIM). Multivariable linear regression analysis was used to verify the influence of HbA1c on plaque vulnerability features and lipid variability. Exploratory analyses were also performed in non-diabetic patients. Results Among enrolled subjects, the pre-procedure HbA1c was 5.90 ± 1.31%, and the average follow-up HbA1c was 5.98 ± 1.16%. By OCT assessment, multivariable linear regression analyses demonstrated that patients with elevated HbA1c had a thinner minimal FCT (β = −6.985, P = 0.048), greater lipid index (LI) (β = 226.299, P = 0.005), and higher macrophage index (β = 54.526, P = 0.045). Even in non-diabetic patients, elevated HbA1c also linearly decreased minimal FCT (β = −14.011, P = 0.036), increased LI (β = 290.048, P = 0.041) and macrophage index (β = 120.029, P = 0.048). Subsequently, scheduled follow-ups were performed during 1-year following PCI. Multivariable linear regression analyses proved that elevated average follow-up HbA1c levels increased the VIM of lipid profiles, including low-density lipoprotein cholesterol (β = 2.594, P < 0.001), high-density lipoprotein cholesterol (β = 0.461, P = 0.044), non-high-density lipoprotein cholesterol (β = 1.473, P < 0.001), total cholesterol (β = 0.947, P < 0.001), and triglyceride (β = 4.217, P < 0.001). The result was consistent in non-diabetic patients and was verified when SD and CV were used to estimate variability. Conclusion In patients undergoing elective PCI, elevated HbA1c increases the atherosclerotic plaque vulnerability and the visit-to-visit variability of lipid profiles, which is consistent in non-diabetic patients.
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Affiliation(s)
- Duanbin Li
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
| | - Ya Li
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
| | - Cao Wang
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
- Department of Cardiology, Haiyan People's Hospital, Jiaxing, China
| | - Hangpan Jiang
- Department of Cardiology, The Fourth Affiliated Hospital, College of Medicine, Zhejiang University, Yiwu, China
| | - Liding Zhao
- Department of Cardiology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Xulin Hong
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
| | - Maoning Lin
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
| | - Yi Luan
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
| | - Xiaohua Shen
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
- *Correspondence: Wenbin Zhang
| | - Zhaoyang Chen
- Department of Cardiology, Union Hospital, Fujian Medical University, Fuzhou, China
- Zhaoyang Chen
| | - Wenbin Zhang
- Department of Cardiology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Hangzhou, China
- Xiaohua Shen
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Washirasaksiri C, Srivanichakorn W, Godsland IF, Kositamongkol C, Chariyalertsak S, Kessomboon P, Assanangkornchai S, Taneepanichskul S, Neelapaichit N, Phisalprapa P, Johnston DG, Oliver NS, Aekplakorn W. Increasing glycaemia is associated with a significant decline in HDL cholesterol in women with prediabetes in two national populations. Sci Rep 2021; 11:12194. [PMID: 34108497 PMCID: PMC8190299 DOI: 10.1038/s41598-021-91075-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 05/20/2021] [Indexed: 12/17/2022] Open
Abstract
Internationally, studies have shown associations between lipids and glycemia; however, whether the link varies by gender and population has been rarely examined. We investigated relationships between glycemia and HDL- and Non-HDL-cholesterol and their modification by gender. We undertook a cross-sectional analysis from the National Health Examination Survey for Thailand (NHES-Thailand) and the Health Survey for England (HS-England) in adults aged 18-75 year. Glycaemia was assessed by FPG in Thailand and by HbA1c in the UK. In population- and gender-stratified analyses, the relationships between glycemia and lipids were explored. A total of 15,145 Thai and 3484 UK adults with blood measurement were included. The prevalences of prediabetes were: in NHES-Thailand, 16% (SE = 0.004), based on FPG (5.6 to < 7.0 mmol/L) and in HS-England, 19% (0.007) based on HbA1c (39 to < 48 mmol/mol). Increasingly abnormal glucose homeostasis was associated with increasing age, adiposity, SBP, proportion of antihypertensive and lipid-lowering agent use and with decreasing HDL-cholesterol. Independent of age, adiposity, smoking, alcohol, physical activity, and lipid and BP lowering drug use, increasing glycemia was associated with decreasing HDL-cholesterol specifically in women with prediabetes (NHES-Thailand, beta-coefficient - 0.07 (95% CI - 0.15, - 0.001) p = 0.04 and HS-England, - 0.03 (- 0.04, - 0.006) p = 0.01). In both populations, among those with prediabetes, increasing glycaemia is associated with an adverse, significant decline in HDL cholesterol, specifically in women. These adverse effects are apparent in widely-differing international populations.
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Affiliation(s)
- Chaiwat Washirasaksiri
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wang Lang Road, Bangkok Noi, Bangkok, 10700, Thailand
| | - Weerachai Srivanichakorn
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wang Lang Road, Bangkok Noi, Bangkok, 10700, Thailand.
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, SW7 2AZ, UK.
| | - Ian F Godsland
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, SW7 2AZ, UK
| | - Chayanis Kositamongkol
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wang Lang Road, Bangkok Noi, Bangkok, 10700, Thailand
| | | | | | | | | | - Nareemarn Neelapaichit
- Ramathibodi School of Nursing, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Pochamana Phisalprapa
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wang Lang Road, Bangkok Noi, Bangkok, 10700, Thailand
| | - Desmond G Johnston
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, SW7 2AZ, UK
| | - Nick S Oliver
- Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, SW7 2AZ, UK
| | - Wichai Aekplakorn
- Department of Community Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Rama VI Rd., Ratchathewi, Bangkok, Thailand
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Wang T, Shen Y, Qiao Z, Wang Y, Zhang P, Yu B. Comparison of Diabetes Remission and Micronutrient Deficiency in a Mildly Obese Diabetic Rat Model Undergoing SADI-S Versus RYGB. Obes Surg 2019; 29:1174-1184. [PMID: 30610678 DOI: 10.1007/s11695-018-03630-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Single-anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S) has launched a huge challenge to classic Roux-en-Y gastric bypass (RYGB). Our objective was to compare diabetes remission and micronutrient deficiency in a mildly obese diabetic rat model undergoing SADI-S versus RYGB. METHODS Thirty adult male mildly obese diabetic rats were randomly assigned to sham (S), SADI-S, and RYGB groups. Body weight, food intake, fasting plasma glucose (FPG), oral glucose tolerance test (OGTT), plasma insulin, GLP-1, and ghrelin levels were measured at indicated time points. Meanwhile, insulin sensitivity and pancreatic β cell function were assessed during OGTT. Finally, plasma micronutrient evaluation and islet β cell mass analysis were performed after all animals were sacrificed. RESULTS As compared to sham, the SADI-S and RYGB groups achieved almost equivalent efficacy in caloric restriction and FPG control without excessive weight loss. During OGTT, the SADI-S and RYGB groups also provided comparable effects on glycemic excursion, insulin sensitivity, and β cell function; however, only rats in the RYGB group showed significant changes in gut hormones, whereas the three groups were found to exhibit no significant difference in β cell mass. In addition, only vitamin E in the RYGB group was deficient as compared with the SADI-S and S groups. CONCLUSION In mildly obese diabetic rat, SADI-S and RYGB procedures have comparable efficacy in diabetes remission and risk of micronutrient deficiency. These data show that each of the surgery accomplishes diabetes improvements through both overlapping and distinct mechanisms requiring further investigation.
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Affiliation(s)
- Tingfeng Wang
- Center for Metabolic and Bariatric Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China
| | - Yunlong Shen
- Center for Metabolic and Bariatric Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China
| | - Zhengdong Qiao
- Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China
| | - Yueqian Wang
- Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China
| | - Peng Zhang
- Center for Metabolic and Bariatric Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China. .,Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China.
| | - Bo Yu
- Center for Metabolic and Bariatric Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, 2800 Gongwei Road, Pudong, Shanghai, 201399, China.
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Davis PJ, Liu M, Sherman S, Natarajan S, Alemi F, Jensen A, Avramovic S, Schwartz MD, Hayes RB. HbA1c, lipid profiles and risk of incident type 2 Diabetes in United States Veterans. PLoS One 2018; 13:e0203484. [PMID: 30212478 PMCID: PMC6136717 DOI: 10.1371/journal.pone.0203484] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 08/21/2018] [Indexed: 01/24/2023] Open
Abstract
United States Veterans are at excess risk for type 2 diabetes, but population differentials in risk have not been characterized. We determined risk of type 2 diabetes in relation to prediabetes and dyslipidemic profiles in Veterans at the VA New York Harbor (VA NYHHS) during 2004-2014. Prediabetes was based on American Diabetes Association hemoglobin A1c (HbA1c) testing cut-points, one of several possible criteria used to define prediabetes. We evaluated transition to type 2 diabetes in 4,297 normoglycemic Veterans and 7,060 Veterans with prediabetes. Cox proportional hazards regression was used to relate HbA1c levels, lipid profiles, demographic, anthropometric and comorbid cardiovascular factors to incident diabetes (Hazard Ratio [HR] and 95% confidence intervals). Compared to normoglycemic Veterans (HbA1c: 5.0-5.6%; 31-38 mmol/mol), risks for diabetes were >2-fold in the moderate prediabetes risk group (HbA1c: 5.7-5.9%; 39-41 mmol/mol) (HR 2.37 [1.98-2.85]) and >5-fold in the high risk prediabetes group (HbA1c: 6.0-6.4%; 42-46 mmol/mol) (HR 5.59 [4.75-6.58]). Risks for diabetes were increased with elevated VLDL (≥40mg/dl; HR 1.31 [1.09-1.58]) and TG/HDL (≥1.5mg/dl; HR 1.34 [1.12-1.59]), and decreased with elevated HDL (≥35mg/dl; HR 0.80 [0.67-0.96]). Transition to diabetes in Veterans was related in age-stratified risk score analyses to HbA1c, VLDL, HDL and TG/HDL, BMI, hypertension and race, with 5-year risk differentials of 62% for the lowest (5-year risk, 13.5%) vs. the highest quartile (5-year risk, 21.9%) of the risk score. This investigation identified substantial differentials in risk of diabetes in Veterans, based on a readily-derived risk score suitable for risk stratification for type 2 diabetes prevention.
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Affiliation(s)
- P. Jordan Davis
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
| | - Mengling Liu
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
| | - Scott Sherman
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
- VA New York Harbor Healthcare System, New York, NY, United States of America
| | - Sundar Natarajan
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
- VA New York Harbor Healthcare System, New York, NY, United States of America
| | - Farrokh Alemi
- George Mason University, Fairfax, VA, United States of America
| | - Ashley Jensen
- VA New York Harbor Healthcare System, New York, NY, United States of America
| | - Sanja Avramovic
- George Mason University, Fairfax, VA, United States of America
| | - Mark D. Schwartz
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
- VA New York Harbor Healthcare System, New York, NY, United States of America
| | - Richard B. Hayes
- Department of Population Health, NYU School of Medicine, New York, NY, United States of America
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Metabolomics-Based Clinical Efficacy and Effect on the Endogenous Metabolites of Tangzhiqing Tablet, a Chinese Patent Medicine for Type 2 Diabetes Mellitus with Hypertriglyceridemia. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:5490491. [PMID: 30140295 PMCID: PMC6081579 DOI: 10.1155/2018/5490491] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 05/29/2018] [Accepted: 06/27/2018] [Indexed: 01/27/2023]
Abstract
Tangzhiqing tablet (TZQ) is derived from Tangzhiqing formula, which has been used to regulate glucose and lipid metabolism in China for hundreds of years. However, as a new Chinese patent medicine, its clinical indication is not clear. To explore the clinical indication and effect on the patients with type 2 diabetes mellitus (T2DM), a pilot clinical trial and metabolomics study were carried out. In the clinical study, T2DM patients were divided into three groups and treated with TZQ, placebo, or acarbose for 12 weeks, respectively. The metabolomic study based on UPLC Q-TOF MS was performed including patients with hypertriglyceridemia in TZQ and placebo groups and healthy volunteers. The clinical results showed that TZQ could reduce glycosylated hemoglobin (HbA1c) and fasting insulin. For patients with hypertriglyceridemia in TZQ group, the levels of HbA1c all decreased and were correlated with the baseline level of triglyceride. Metabonomics data showed a significant difference between patients and healthy volunteers, and 17 biomarkers were identified. After 12-week treatment with TZQ, 11 biomarkers decreased significantly (p<0.05), suggesting that TZQ could improve the metabolomic abnormalities in these participants. In conclusion, the clinical indication of TZQ was T2DM with hypertriglyceridemia, and its target was related to glycerophospholipid metabolism.
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Jeng CJ, Hsieh YT, Yang CM, Yang CH, Lin CL, Wang IJ. Diabetic Retinopathy in Patients with Dyslipidemia: Development and Progression. ACTA ACUST UNITED AC 2018; 2:38-45. [DOI: 10.1016/j.oret.2017.05.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/20/2017] [Accepted: 05/23/2017] [Indexed: 12/28/2022]
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Naito E, Yoshida Y, Kunihiro S, Makino K, Kasahara K, Kounoshi Y, Aida M, Hoshi R, Watanabe O, Igarashi T, Miyazaki K, Ito H. Effect of Lactobacillus casei strain Shirota-fermented milk on metabolic abnormalities in obese prediabetic Japanese men: a randomised, double-blind, placebo-controlled trial. BIOSCIENCE OF MICROBIOTA FOOD AND HEALTH 2017; 37:9-18. [PMID: 29387517 PMCID: PMC5787411 DOI: 10.12938/bmfh.17-012] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/19/2017] [Indexed: 12/15/2022]
Abstract
An obesity-related prediabetic state is characterised by metabolic abnormalities such as post-glucose load hyperglycaemia and dyslipidaemia and consequently increases the risk for type 2 diabetes and cardiovascular disease. This study aimed to investigate the effects of Lactobacillus casei strain Shirota (LcS) on metabolic abnormalities in obese prediabetic subjects in a randomised, double-blind, placebo-controlled trial. Herein, 100 obese subjects (body mass index ≥25), who had moderate post-load hyperglycaemia (1-hr post-load plasma glucose (PG) levels ≥180 mg/dl during the oral glucose tolerance test), consumed LcS-fermented milk or placebo milk daily for 8 weeks. The post-load PG and fasting blood markers were evaluated. Although post-load PG levels were not significantly different between the groups, 1-hr post-load PG, glycoalbumin, and HbA1c levels decreased at 8 weeks compared with the baseline levels only in the LcS group (p=0.036, p=0.002, and p=0.006, respectively). The reduction in glycoalbumin levels was statistically significantly greater in the LcS group than in the placebo group (p=0.030). Stratified analyses revealed significantly improved 1-hr post-load PG and glycoalbumin levels in the LcS group compared with the placebo group among subjects with severe glucose intolerance (2-hr post-load PG levels higher than the median at baseline; p=0.036 and p=0.034, respectively). In terms of lipidic outcomes, total, low-density lipoprotein, and non-high-density lipoprotein cholesterol levels were significantly lower in the LcS group than in the placebo group (p=0.023, p=0.022, and p=0.008, respectively). These findings suggest that LcS may favourably affect metabolic abnormalities in obese prediabetic subjects, though the effects on glycaemic control may be limited.
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Affiliation(s)
- Eiichiro Naito
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Yasuto Yoshida
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Satoru Kunihiro
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Kumiko Makino
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Kohei Kasahara
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Yuu Kounoshi
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Masanori Aida
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Ryotaro Hoshi
- Faculty of Research and Development, Yakult Honsha Co., Ltd., 1-1-19 Higashishinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - Osamu Watanabe
- Faculty of Research and Development, Yakult Honsha Co., Ltd., 1-1-19 Higashishinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - Tomoki Igarashi
- Faculty of Research and Development, Yakult Honsha Co., Ltd., 1-1-19 Higashishinbashi, Minato-ku, Tokyo 105-8660, Japan
| | - Kouji Miyazaki
- Yakult Central Institute, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - Hideki Ito
- Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
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Apolipoprotein C-I Polymorphism and Its Association with Serum Lipid Levels and Longevity in the Bama Population. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14050505. [PMID: 28486432 PMCID: PMC5451956 DOI: 10.3390/ijerph14050505] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 04/24/2017] [Accepted: 05/05/2017] [Indexed: 11/17/2022]
Abstract
This study aims to determine the association between the apolipoprotein C-I polymorphism and the longevity and genetic variants in ApoC-I that can influence the serum lipid levels in Bama. ApoC-I genotypes were determined by Taqman single nucleotide polymorphism (SNP) genotyping assays in 178 long-lived inhabitants (longevity group aged from 90 to 110 years), 147 healthy controls (Control 1 group aged from 40 to 79 years old) from Bama County, and 190 healthy controls (Control 2 group aged from 40 to 79 years old) from Nandan County without a family history of longevity. Statistical analysis was conducted using SPSS 16.0. All genotype distributions of rs584007 and rs4420638 were consistent with the Hardy-Weinberg equilibrium (p > 0.05). Significant differences were observed in the frequencies of the three genotypes (GG, AG, and AA) among the longevity and the two control groups (χ² = 11.238, p = 0.024) for rs584007. No significant differences were observed in the frequencies of the three genotypes (GG, AG, and AA) among the longevity and the two control groups (χ² = 4.587, p = 0.318) for rs4420638. The levels of total cholesterol (TC), triglycerides (TG), high-density lipoprotein-cholesterol (HDL-c), and low-density lipoprotein-cholesterol (LDL-c) were not different among the three genotypes of rs584007 in the three groups. The levels of HDL-c for GG, AG, and AA were significantly different (the highest being in the longevity group), while the levels of TG for AA and AG genotypes (the lowest being in the longevity group) and the levels of LDL-c for AG were significantly different (p < 0.05) among the three groups for rs584007. The levels of TG and HDL-c were significantly different among the three rs4420638 genotypes in the longevity group. The levels of TC for GG, AG, and AA were significantly different in the Control 2 group, while the levels of TG and HDL-c for AA and AG genotypes were significantly different (p < 0.05) among the three groups for rs4420638. The level of HDL-c was highest in the longevity group for AA and AG genotypes, and the level of TG was highest in the Control 2 group for rs4420638. Serum lipid parameters were related to environmental factors, including age, gender, BMI, DBP, SBP, rs4420638, and rs584007. The ApoC-I polymorphism might be one of the genetic factors of longevity in Bama. The ApoC-I rs4420638 and rs584007 SNPs are associated with serum TG and HDL-c levels in the longevous population.
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Kwon Y. Association of curry consumption with blood lipids and glucose levels. Nutr Res Pract 2016; 10:212-20. [PMID: 27087906 PMCID: PMC4819133 DOI: 10.4162/nrp.2016.10.2.212] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Revised: 12/07/2015] [Accepted: 12/18/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND/OBJECTIVES Curcumin, an active ingredient in turmeric, is highly consumed in South Asia. However, curry that contains turmeric as its main spice might be the major source of curcumin in most other countries. Although curcumin consumption is not as high in these countries as South Asia, the regular consumption of curcumin may provide a significant health-beneficial effect. This study evaluated whether the moderate consumption of curry can affect blood glucose and lipid levels that become dysregulated with age. SUBJECTS/METHODS This study used data obtained from the Korea National Health and Nutrition Examination Survey, conducted from 2012 to 2013, to assess curry consumption frequency as well as blood glucose and blood lipid levels. The levels of blood glucose and lipids were subdivided by age, sex, and body mass index, and compared according to the curry consumption level. The estimates in each subgroup were further adjusted for potential confounding factors, including the diagnosis of diseases, physical activity, and smoking. RESULTS After adjusting for the above confounding factors, the blood glucose and triglyceride levels were significantly lower in the moderate curry consumption group compared to the low curry consumption group, both in older (> 45) male and younger (30 to 44) female overweight individuals who have high blood glucose and triglyceride levels. CONCLUSIONS These results suggest that curcumin consumption, in an ordinary diet, can have health-beneficial effects, including being helpful in maintaining blood glucose and triglyceride levels that become dysregulated with age. The results should be further confirmed in future studies.
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Affiliation(s)
- Youngjoo Kwon
- Department of Food Science and Engineering, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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Chen GY, Li L, Dai F, Li XJ, Xu XX, Fan JG. Prevalence of and Risk Factors for Type 2 Diabetes Mellitus in Hyperlipidemia in China. Med Sci Monit 2015; 21:2476-84. [PMID: 26297334 PMCID: PMC4550046 DOI: 10.12659/msm.894246] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Background We explored the prevalence of and risk factors for type 2 diabetes in the adult population of Shanghai (China) with and without dyslipidemia. Material/Methods We conducted a cross-sectional survey including 14 385 adults (aged 16 to 88 years) in Shanghai using a stratified, multistage cluster sampling approach. Results Type 2 diabetes and hyperlipidemia were found in 1456 (10.1%) and 4583 (31.9%) subjects, respectively. Type 2 diabetes was more common in males (11.4%) than in females (9.2%, P<0.01), in the elderly (> or =65 years, 22.5%) than in younger (<55 years, <10%, P<0.01) individuals, and in urban (12.8%) than in rural populations (5.2%, P<0.01). Diabetes incidence was higher among patients with hyperlipidemia than in controls (16.9% vs. 7.0%, P<0.01; OR=2.72, 95% CI 2.44–3.03). Compared with controls, the risk for diabetes in subjects with isolated hypertriglyceridemia, isolated hypercholesterolemia, and mixed hyperlipidemia increased 1.75-fold (95% CI 1.53–1.99), 1.53-fold (95% CI 1.17–2.01), and 2.93-fold (95% CI 2.37–3.63), respectively. The fasting plasma glucose (FPG) and 2h-postprandial plasma glucose (2h-PG) increased with age in both sexes. The age- and sex-adjusted FPG and 2h-PG levels in hyperlipidemia were significantly higher than in controls (P<0.01). Conclusions A high prevalence of type 2 diabetes in hyperlipidemia patients exists in Shanghai. Hyperlipidemia is associated with elevated blood glucose levels and therefore requires prompt intervention for prevention and treatment of diabetes in patients with dyslipidemia.
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Affiliation(s)
- Guang-Yu Chen
- Center for Fatty Liver Disease, Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China (mainland)
| | - Lui Li
- Department of Chronic Disease, Shanghai Center for Disease Control and Prevention, Shanghai, China (mainland)
| | - Fei Dai
- School of Public Health, Shanghai Jiao-Tong University School of Medicine, Shanghai, China (mainland)
| | - Xing-Jian Li
- Department of Chronic Disease, Shanghai Center for Disease Control and Prevention, Shanghai, China (mainland)
| | - Xiao-Xin Xu
- Research Center for Clinical Epidemiology, Shanghai Jiao-Tong University School of Medicine, Shanghai, China (mainland)
| | - Jian-Gao Fan
- Center for Fatty Liver Disease, Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China (mainland)
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Alaei-Shahmiri F, Zhao Y, Sherriff J. Assessment of vascular function in individuals with hyperglycemia: a cross-sectional study of glucose - induced changes in digital volume pulse. J Diabetes Metab Disord 2015; 14:23. [PMID: 25897416 PMCID: PMC4403892 DOI: 10.1186/s40200-015-0153-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Accepted: 03/19/2015] [Indexed: 12/12/2022]
Abstract
Background Arterial stiffness is an independent risk factor for cardiovascular disease and its progression may be accelerated in the presence of hyperglycemia, either fasting or postprandial. The current study assessed vascular function in subjects with pre-diabetes hyperglycemia, using digital volume pulse analysis technique. Methods We conducted a cross-sectional study examining vascular function in the fasting and postprandial (glucose-induced) state in 44 adults, consisting of 17 subjects with pre-diabetic hyperglycemia and 27 normoglycemic volunteers. Photoplethysmography of the digital volume pulse (DVP) was used to determine stiffness index (SI) and reflective index (RI), as main measures of larger artery stiffness and vascular tone, respectively. Results Our results showed a significantly higher (Ln) fasting SI in the hyperglycemic group compared with the control group (2.19 ± 0.32 vs. 1.96 ± 0.22, P = 0.005). However, this pattern reversed after adjustment for potential confounders. In multiple linear regression analysis, (Ln) SI was related to age (β = 0.01, 95% CI: 0.01-0.02, P < 0.001) and systolic blood pressure (SBP) (β = 0.01, 95% CI: 0.00-0.01, P < 0.05), but not with W/H, diastolic blood pressure (DBP), fasting plasma glucose (FPG) or serum lipids. Furthermore, age (β = 0.02, 95% CI: 0.01-0.03, P < 0.001) and mean arterial pressure (MAP) (β = 0.01, 95% CI: 0.00-0.02, P < 0.05) were found as the strong predictors of fasting SI in hyperglycemic group. Neither FPG nor 2-h plasma glucose was a significant predictor for SI in hyperglycemic group, after accounting for age and MAP. Subjects with hyperglycemia had a 15% blunted change in postprandial AUCs for RI, adjusted for the respective baseline measurements (−9.40 ± 3.59 vs. -11.00 ± 2.84%) but these did not attain statistical significance. Conclusion Increased arterial stiffness in pre-diabetic subjects is strongly associated with age and MAP. The increased DVP-derived SI reported in patients with pre-diabetic hyperglycemia may result from different frequently accompanied risk factors not just glycemic changes in this range.
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Affiliation(s)
- Fariba Alaei-Shahmiri
- School of Public Health, Curtin University, Kent Street, Bentley, Perth, Western Australia ; Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Yun Zhao
- School of Public Health, Curtin University, Kent Street, Bentley, Perth, Western Australia
| | - Jill Sherriff
- School of Public Health, Curtin University, Kent Street, Bentley, Perth, Western Australia
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Hirose T, Teramoto T, Abe K, Taneyama T. Determinants of Bezafibrate-induced Improvements in LDL Cholesterol in Dyslipidemic Patients with Diabetes. J Atheroscler Thromb 2015; 22:676-84. [PMID: 25752494 DOI: 10.5551/jat.27425] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
AIM Our previous "J-BENEFIT (Japan BEzafibrate cliNical EFfectIveness and Tolerability)" study demonstrated that bezafibrate improves blood lipid profiles and glucose control in dyslipidemic patients with diabetes. However, bezafibrate did not significantly improve low-density lipoprotein cholesterol (LDL-C), although some patients showed decreases while others showed increases in the LDL-C levels. Therefore, a subgroup analysis of the J-BENEFIT study was conducted to identify factors influencing the bezafibrate-induced changes in the LDL-C levels. METHODS Of the 3,316 patients in the J-BENEFIT study, 2,116 not treated with other lipid-lowering drugs were enrolled in the current study, and the effects of 24-week treatment with bezafibrate on the LDL-C levels were analyzed. A reduction in the LDL-C level of ≥ 25% occurred in 253 patients, and a logistic-regression analysis was used to identify factors associated with this improvement. RESULTS Among the 2,116 overall patients, bezafibrate treatment significantly increased the LDL-C levels from 123.9±36.7 to 125.7±31.3 mg/dL. The subanalysis showed that the treatment responses varied according to the baseline LDL-C level, with significant decreases in the ≥ 160 and ≥ 140-<160 mg/dL groups, no significant decrease in the ≥ 120-<140 mg/dL group and a significant increase in the <120 mg/dL group. A multivariate logistic-regression analysis of the data for the patients with an LDL-C of ≥ 25% identified a female sex, the use of anti-hypertensive and hypoglycemic agents and a high baseline LDL-C level to be significant determinants of the LDL-C response to bezafibrate. CONCLUSIONS Our results showed that treatment with bezafibrate improves the LDL-C levels and lipid profiles in dyslipidemic diabetic patients, especially women, subjects co-treated with anti-hypertensive or hypoglycemic agents and those with high baseline LDL-C levels.
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Affiliation(s)
- Takahisa Hirose
- Division of Diabetes, Metabolism, and Endocrinology, Department of Medicine, Toho University School of Medicine
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Sundaram B, Singhal K, Sandhir R. Anti-atherogenic effect of chromium picolinate in streptozotocin-induced experimental diabetes. J Diabetes 2013; 5:43-50. [PMID: 22650796 DOI: 10.1111/j.1753-0407.2012.00211.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Several studies have implicated changes in the levels of trace elements in diabetes. Chromium is one such element that seems to potentiate insulin action, thereby regulating carbohydrate and lipid metabolism. The aim of the present study was to evaluate the effect of chromium supplementation as chromium picolinate on the lipid profile of streptozotocin (STZ)-induced diabetic rats. METHODS Rats were rendered diabetic by a single injection of STZ (50 mg/kg, i.p.). Chromium picolinate (1 mg/kg per day, p.o.) was administered to rats for a period of 4 weeks. At the end of the treatment period, plasma total lipids, triglycerides, total cholesterol and lipoprotein levels were determined, as was hepatic glucose-6-phosphate dehydrogenase activity. RESULTS Total plasma lipids increased significantly in diabetic rats and this increase was ameliorated by chromium treatment for 4 weeks. Elevated total lipids in diabetic rats were due to increased plasma triglyceride and cholesterol levels. Chromium supplementation lowered plasma triglyceride and cholesterol levels to near normal. Chromium treatment also normalized low-density lipoprotein-cholesterol (LDL-C) and very low-density lipoprotein-cholesterol levels and improved the total cholesterol:high-density lipoprotein-cholesterol (HDL-C) and HDL-C:LDL-C ratios, suggesting an anti-atherogenic effect. In addition to improving the plasma lipid profile, chromium supplementation normalized liver glucose-6-phosphate dehydrogenase activity in diabetic rats. CONCLUSIONS These results provide evidence that chromium picolinate effectively attenuates the dyslipidemia associated with diabetes and thus can be used as an adjuvant therapy in the treatment of diabetes and its associated complications.
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Sone H, Tanaka S, Tanaka S, Iimuro S, Ishibashi S, Oikawa S, Shimano H, Katayama S, Ohashi Y, Akanuma Y, Yamada N. Comparison of various lipid variables as predictors of coronary heart disease in Japanese men and women with type 2 diabetes: subanalysis of the Japan Diabetes Complications Study. Diabetes Care 2012; 35:1150-7. [PMID: 22338107 PMCID: PMC3329821 DOI: 10.2337/dc11-1412] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To determine the best lipid variable to predict coronary heart disease (CHD) in Japanese patients with type 2 diabetes. RESEARCH DESIGN AND METHODS Eligible Japanese men and women (1,771) aged 40-70 years with type 2 diabetes from 59 institutes nationwide were followed for a planned 8-year period. The performance of eight conventional lipid variables, i.e., total cholesterol (TC), LDL-cholesterol (LDLC), HDL-cholesterol (HDLC), triglycerides (TGs), non-HDLC, TC/HDLC ratio, LDLC/HDLC ratio, and TG/HDLC ratio, as predictors of incident CHD were evaluated by four methods: hazard ratio (HR) per one SD increment by multivariate Cox analysis, χ(2) likelihood ratio test, area under the receiver operating characteristic curve (AUC), and tertile analysis. RESULTS Although all variables significantly predicted CHD events in men, non-HDLC (HR per one SD 1.78 [95% CI 1.43-2.21]; AUC 0.726) and TC/HDLC (HR 1.63 [1.36-1.95]; AUC 0.718) had the better predictive performances among the variables, including LDLC. In women, TGs (log-transformed; HR 1.72 [1.21-2.43]; AUC 0.708) were the best predictor according to results of tertile analysis (HR of the top tertile versus the bottom tertile 4.31 [1.53-12.16]). The associations with incident CHD were linear and continuous. CONCLUSIONS For Japanese diabetic men, non-HDLC and TC/HDLC were the best predictors, whereas TGs were most predictive for women. These findings, which included prominent sex differences, should be considered among clinical approaches to risk reduction among East Asians with diabetes.
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Affiliation(s)
- Hirohito Sone
- Department of Internal Medicine, Institute of Clinical Medicine,University of Tsukuba, Tsukuba, Japan.
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Teramoto T, Shirai K, Daida H, Yamada N. Effects of bezafibrate on lipid and glucose metabolism in dyslipidemic patients with diabetes: the J-BENEFIT study. Cardiovasc Diabetol 2012; 11:29. [PMID: 22439599 PMCID: PMC3342914 DOI: 10.1186/1475-2840-11-29] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2011] [Accepted: 03/23/2012] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The hypoglycemic effect of bezafibrate is well established, but administration to a large population of patients with diabetes has not been reported. We investigated glycemic control, relationship between lipid metabolism and HbA1c, and safety in diabetic patients treated with bezafibrate. METHODS A prospective, observational analysis was conducted on 6,407 dyslipidemic patients suffering from diabetes or hyperglycemia who had not received bezafibrate previously. Subanalyses were performed on the concomitant use of diabetes drugs, diabetes duration, and baseline HbA1c levels. RESULTS Bezafibrate significantly decreased HbA1c irrespective of concomitant use of other diabetes drugs in a baseline-HbA1c-dependent manner, with patients with a shorter diabetes duration showing a greater decrease in HbA1c than those with longer-term disease. The rate of change in triglyceride levels was significantly associated with that in HbA1c. Adverse drug reactions occurred in 306 patients (5.1%), of which reactions in 289 were not severe (94.4%). CONCLUSIONS Bezafibrate significantly improved HbA1c in patients with diabetes given individualized treatment. Bezafibrate may offer clinicians an improved modality for the amelioration of disease course and improvement of outcome in these patients.
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Affiliation(s)
- Tamio Teramoto
- Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan.
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Giannini S, Bardini G, Dicembrini I, Monami M, Rotella CM, Mannucci E. Lipid levels in obese and nonobese subjects as predictors of fasting and postload glucose metabolism. J Clin Lipidol 2012; 6:132-8. [DOI: 10.1016/j.jacl.2011.09.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2010] [Revised: 09/20/2011] [Accepted: 09/26/2011] [Indexed: 10/17/2022]
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Wang JS, Lin SD, Lee WJ, Su SL, Lee IT, Tu ST, Tseng YH, Lin SY, Sheu WHH. Effects of acarbose versus glibenclamide on glycemic excursion and oxidative stress in type 2 diabetic patients inadequately controlled by metformin: a 24-week, randomized, open-label, parallel-group comparison. Clin Ther 2011; 33:1932-42. [PMID: 22078152 DOI: 10.1016/j.clinthera.2011.10.014] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/17/2011] [Indexed: 11/27/2022]
Abstract
BACKGROUND Glycemic excursion is significantly associated with oxidative stress, which plays a role in the development of chronic complications in type 2 diabetes mellitus (T2DM). Acarbose has been reported to reduce cardiovascular risk in patients with impaired glucose tolerance and T2DM. We hypothesize that treatment with acarbose could attenuate glycemic excursions and reduce oxidative stress in patients with T2DM. OBJECTIVE This study aimed to evaluate the effects of acarbose versus glibenclamide on mean amplitude of glycemic excursions (MAGE) and oxidative stress in patients with T2DM who are insufficiently controlled by metformin. METHODS T2DM outpatients aged 30 to 70 years who were taking single or dual oral antidiabetic drugs for ≥3 months and had a glycosylated hemoglobin (HbA(1c)) value between 7.0% and 11.0% were eligible. Patients were treated with metformin monotherapy (1500 mg daily) for 8 weeks, followed by randomization to either acarbose or glibenclamide add-on for 16 weeks. The dosage of acarbose and glibenclamide was 50 mg TID and 2.5 mg TID, respectively, for the first 4 weeks. In the following 12 weeks, the dosage was doubled in both groups. Continuous glucose monitoring (CGM) for 72 hours and a meal tolerance test (MTT) after a 10-hour overnight fast were conducted before randomization and at the end of study. MAGE was calculated from CGM data. β-cell response to postprandial glucose increments was assessed by the ratio between incremental AUC of insulin and glucose during MTT. Oxidative stress was estimated by plasma oxidized LDL (ox-LDL) and urinary excretion rates of 8-iso prostaglandin F(2α) (8-iso PGF(2α)). The primary outcomes included changes in MAGE, plasma ox-LDL, and urinary excretion of 8-iso PGF(2α). Adverse events, including hypoglycemia, were recorded. RESULTS A total of 55 patients were randomized (mean age, 54 years; males, 47%; mean body mass index, 25.9 kg/m(2); mean duration of diabetes, 6.9 years; mean HbA(1c), 8.3%) and 51 patients completed this study (acarbose, n = 28; glibenclamide, n = 23). HbA(1c) decreased significantly in both treatment groups (acarbose: 8.2 [0.8]% to 7.5 [0.8]% [P < 0.001]; glibenclamide: 8.6 [1.6]% to 7.4 [1.2]% [P < 0.001]). MAGE did not change significantly in glibenclamide-treated patients (6.2 [2.8] mmol/L to 6.3 [2.3] mmol/L; P = 0.82), whereas ox-LDL (242.4 [180.9] ng/mL to 470.7 [247.3] ng/mL; P = 0.004) and urinary excretion of 8-iso PGF(2α) (121.6 [39.6] pmol/mmol creatinine to 152.5 [41.8] pmol/mmol creatinine; P = 0.03) increased significantly. Acarbose decreased MAGE (5.6 [1.5] mmol/L to 4.0 [1.4] mmol/L; P < 0.001) without significant change in ox-LDL levels (254.4 [269.1] ng/mL to 298.5 [249.8) ng/mL; P = 0.62) or 8-iso PGF(2α) excretion rates (117.9 [58.1] pmol/mmol creatinine to 137.8 [64.4] pmol/mmol creatinine; P = 0.12). Body weight and serum triglycerides (fasting and 2-hour postprandial) decreased (all, P < 0.01) and serum adiponectin increased (P < 0.05) after treatment with acarbose, whereas HDL-C decreased (P < 0.01) after treatment with glibenclamide. β-cell response to postprandial glucose increments was negatively correlated with MAGE (r = 0.570, P < 0.001) and improved significantly with acarbose (35.6 [32.2] pmol/mmol to 56.4 [43.7] pmol/mmol; P = 0.001) but not with glibenclamide (27.9 [17.6] pmol/mmol to 36.5 [24.2] pmol/mmol; P = 0.12). CONCLUSIONS In this select population of adult Taiwanese patients with T2DM who were inadequately controlled by metformin, add-on acarbose or glibenclamide significantly reduced HbA(1c). However, treatment with acarbose decreased MAGE, body weight, and serum triglyceride and increased serum adiponectin without significant effect on oxidative stress. Treatment with glibenclamide had no statistically significant effect on MAGE but increased oxidative stress and decreased HDL-C. ClinicalTrials.gov identifier: NCT00417729.
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Affiliation(s)
- Jun-Sing Wang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
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Ould Mohamedou MM, Zouirech K, El Messal M, El Kebbaj MS, Chraibi A, Adlouni A. Argan Oil Exerts an Antiatherogenic Effect by Improving Lipids and Susceptibility of LDL to Oxidation in Type 2 Diabetes Patients. Int J Endocrinol 2011; 2011:747835. [PMID: 22114593 PMCID: PMC3206503 DOI: 10.1155/2011/747835] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Accepted: 08/22/2011] [Indexed: 12/30/2022] Open
Abstract
In this study, we investigate the effect of argan oil consumption on serum lipids, apolipoproteins (AI and B), CRP, and LDL susceptibility to oxidation in type 2 diabetic patients which are known to have a high level of cardiovascular risk due to lipid abnormalities and lipid peroxidation. For that, 86 type 2 diabetic patients with dyslipidemia were randomized to one group consuming 25 mL/day of argan oil during 3 weeks and control group consuming 20 g/day of butter in breakfast. After argan oil intervention, serum triglycerides decreased by 11.84%, (P = 0.001), total chol by 9.13%, (P = 0.01), and LDL-chol by 11.81%, (P = 0.02). However, HDL-chol and Apo AI increased (10.51%, P = 0.01 and 9.40%, P = 0.045, resp.). Susceptibility of LDL to lipid peroxidation was significantly reduced by increasing of 20.95%, (P = 0.038) in lag phase after argan oil consumption. In conclusion, we show for the first time that consumption of argan oil may have an antiatherogenic effect by improving lipids, and the susceptibility of LDL to oxidation in type 2 diabetes patients with dyslipidemia, and can therefore be recommended in the nutritional management of type 2 diabetes.
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Affiliation(s)
- M. M. Ould Mohamedou
- Lipoproteins and Atherosclerosis Research Laboratory, Faculty of Sciences Ben Msik, Casablanca, Morocco
| | - K. Zouirech
- Lipoproteins and Atherosclerosis Research Laboratory, Faculty of Sciences Ben Msik, Casablanca, Morocco
| | - M. El Messal
- Laboratory of Biochemistry, Faculty of Sciences Ain Chock, Casablanca, Morocco
| | - M. S. El Kebbaj
- Lipoproteins and Atherosclerosis Research Laboratory, Faculty of Sciences Ben Msik, Casablanca, Morocco
| | - A. Chraibi
- Endocrinology and Nutrition, and Metabolic Diseases Department, University Hospital of Ibn Sina, Rabat, Morocco
| | - A. Adlouni
- Lipoproteins and Atherosclerosis Research Laboratory, Faculty of Sciences Ben Msik, Casablanca, Morocco
- *A. Adlouni:
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de Paula FJA, Horowitz MC, Rosen CJ. Novel insights into the relationship between diabetes and osteoporosis. Diabetes Metab Res Rev 2010; 26:622-30. [PMID: 20938995 PMCID: PMC3259009 DOI: 10.1002/dmrr.1135] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2010] [Revised: 09/06/2010] [Accepted: 09/08/2010] [Indexed: 12/20/2022]
Abstract
Only three decades ago adipose tissue was considered inert, with little relationship to insulin resistance. Similarly, bone has long been thought of purely in its structural context. In the last decade, emerging evidence has revealed important endocrine roles for both bone and adipose tissue. The interaction between these two tissues is remarkable. Bone marrow mesenchymal stem cells give rise to both osteoblasts and adipocytes. Leptin and adiponectin, two adipokines secreted by fat tissue, control energy homeostasis, but also have complex actions on the skeleton. In turn, the activities of bone cells are not limited to their bone remodelling activities but also to modulation of adipose cell sensitivity and insulin secretion. This review will discuss these new insights linking bone remodelling to the control of fat metabolism and the association between diabetes mellitus and osteoporosis.
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Affiliation(s)
- Francisco J A de Paula
- Center for Clinical and Translational Research, Maine Medical Center Research Institute, 81 Research Drive, Scarborough, ME 04074, USA
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Zhang L, Qiao Q, Tuomilehto J, Janus ED, Lam TH, Ramachandran A, Mohan V, Stehouwer CDA, Dong Y, Nakagami T, Onat A, Söderberg S. Distinct ethnic differences in lipid profiles across glucose categories. J Clin Endocrinol Metab 2010; 95:1793-801. [PMID: 20118302 DOI: 10.1210/jc.2009-2348] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
CONTEXT Dyslipidemia coexists with hyperglycemia. However, little is known about the ethnic differences in lipid profiles at comparable glucose tolerance status. OBJECTIVE The aim was to study ethnic differences in lipid profiles stratified by glucose levels. DESIGN AND SETTING Data from 31 study cohorts of 12 countries, consisting of 24,760 men and 27,595 women aged 25-74 yr, were compared. The odds ratio for having dyslipidemia was estimated for each ethnic group stratified by glucose categories. RESULTS Compared with central and northern Europeans, multivariable adjusted odds ratios (95% confidence intervals) for having lower high-density lipoprotein-cholesterol were 4.74 (4.19-5.37), 5.05 (3.88-6.56), 3.07 (2.15-4.40), and 2.37 (1.67-3.35) in Asian Indian men, but 0.12 (0.09-0.16), 0.07 (0.04-0.13), 0.11 (0.07-0.20), and 0.16 (0.08-0.32) in Chinese men who had normoglycemia, prediabetes, and undiagnosed and diagnosed diabetes, respectively. Similar results were obtained for women. The prevalence of low high-density lipoprotein-cholesterol remained higher in Asian Indians (62.8% of the nondiabetic and 67.4% of the diabetic) than in central and northern Europeans (20.3 and 37.3%), Japanese (25.7 and 34.1%), or Qingdao Chinese (15.7 and 17.0%), even in individuals with low-density lipoprotein-cholesterol of less than 3 mmol/liter. CONCLUSION There are distinct patterns of lipid profiles associated with ethnicity regardless of the glucose levels, suggesting that ethnic-specific strategies and guidelines on risk assessment and prevention of cardiovascular disease are required.
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Affiliation(s)
- Lei Zhang
- Department of Public Health, University of Helsinki, PL41, Mannerheimintie 172, FIN-00014 Helsinki, Finland
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