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Cao F, Yang F, Li J, Guo W, Zhang C, Gao F, Sun X, Zhou Y, Zhang W. The relationship between diabetes and the dementia risk: a meta-analysis. Diabetol Metab Syndr 2024; 16:101. [PMID: 38745237 PMCID: PMC11092065 DOI: 10.1186/s13098-024-01346-4] [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: 01/26/2024] [Accepted: 05/04/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND The link between diabetes and dementia risk is not well understood. This study evaluates the factors linking diabetes to dementia onset, providing guidance for preventing dementia in diabetic patients. METHODS This analysis utilized databases such as PubMed, Embase, Web of Science, and the Cochrane Library to review literature from January 31, 2012, to March 5, 2023. Articles were rigorously assessed using specific inclusion and exclusion criteria. The Newcastle-Ottawa Scale (NOS) was used to evaluate the quality of the studies. Data analysis was performed with STATA 15.0. RESULTS The study analyzed 15 articles, covering 10,103,868 patients, with 8,821,516 diagnosed with diabetes. The meta-analysis reveals a substantial association between diabetes and an increased risk of dementia [RR: 1.59, 95%CI (1.40-1.80), P < 0.01, I²=96.4%]. A diabetes duration of less than five years is linked to a higher dementia risk [RR: 1.29, 95%CI (1.20-1.39), P < 0.01, I²=92.6%]. Additionally, hypoglycemia significantly raises dementia risk [RR: 1.56, 95%CI (1.13-2.16), P < 0.01, I²=51.5%]. Analyses of blood sugar control, glycated hemoglobin, and fasting blood sugar indicated no significant effects on the onset of dementia. CONCLUSION Diabetes notably increases dementia risk, particularly where diabetes duration is under five years or hypoglycemia is present. REGISTRATION The research protocol was registered with PROSPERO and assigned the registration number CRD42023394942.
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Affiliation(s)
- Fang Cao
- School of Basic Medical Sciences, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Fushuang Yang
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Jian Li
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Wei Guo
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Chongheng Zhang
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Fa Gao
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, China
| | - Xinxin Sun
- Department of Nutrition, Chinese People's Armed Police Force Medical Characteristic Center, Tianjin, 300162, China
| | - Yi Zhou
- Department of Geriatrics, Baotou Mengshi Hospital of Traditional Chinese Medicine, Baotou, 014000, China
| | - Wenfeng Zhang
- School of Basic Medical Sciences, Changchun University of Chinese Medicine, Changchun, 130117, China.
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Chen GC, Nyarko Hukportie D, Fan WD, Lyu JQ, Wang HP, Qin L, Wu XB, Li FR. Microvascular disease, modifiable risk factor profiles and incident arrhythmias in type 2 diabetes. Heart 2024; 110:776-782. [PMID: 38514173 DOI: 10.1136/heartjnl-2023-323527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 03/04/2024] [Indexed: 03/23/2024] Open
Abstract
BACKGROUND To assess the roles of diabetic microvascular disease and modifiable risk factors and their combination in the development of arrhythmias. METHODS We included participants with type 2 diabetes (T2D) who were free of arrhythmias during recruitment in the UK Biobank study. The associations of microvascular disease states (defined by the presence of retinopathy, peripheral neuropathy or chronic kidney disease), four modifiable arrhythmic risk factors (body mass index, smoking, systolic blood pressure and glycosylated haemoglobin) and their joint associations with incident arrhythmias were examined. RESULTS Among the 25 632 participants with T2D, 1705 (20.1%) of the 8482 with microvascular disease and 2017 (11.8%) of the 17 150 without microvascular disease developed arrhythmias during a median follow-up of 12.3 years. Having any of the three microvascular diseases was associated with a 48% increase in the hazard of developing arrhythmias. Incorporating microvascular disease states into a model alongside 11 traditional risk factors significantly enhanced arrhythmia prediction. Furthermore, individuals with microvascular disease who had optimal levels of zero to one, two, three or four arrhythmic risk factors showed an HR of 2.05 (95% CI 1.85, 2.27), 1.67 (95% CI 1.53, 1.83), 1.35 (95% CI 1.22, 1.50) and 0.91 (95% CI 0.73, 1.13), respectively, compared with those without microvascular disease. CONCLUSIONS Although microvascular disease, a non-traditional risk factor, was associated with incident arrhythmias in individuals with T2D, having optimal levels of risk factors may mitigate this risk.
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Affiliation(s)
- Guo-Chong Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | | | - Wei-Dong Fan
- Southern Medical University School of Public Health, Guangzhou, Guangdong, China
| | - Jie-Qiong Lyu
- Department of Nutrition and Food Hygiene, School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Hai-Peng Wang
- Department of Cardiology, First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Liqiang Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Xian-Bo Wu
- Southern Medical University School of Public Health, Guangzhou, Guangdong, China
| | - Fu-Rong Li
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, Guangdong, China
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Shen Y, Wei C, Taishi Y, Zhang G, Su Z, Zhao P, Wang Y, Li M, Ji Y, Sun L. Association between the circulating very long-chain saturated fatty acid and cognitive function in older adults: findings from the NHANES. BMC Public Health 2024; 24:1061. [PMID: 38627688 PMCID: PMC11022414 DOI: 10.1186/s12889-024-18478-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 03/28/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Age-related cognitive decline has a significant impact on the health and longevity of older adults. Circulating very long-chain saturated fatty acids (VLSFAs) may actively contribute to the improvement of cognitive function. The objective of this study was to investigate the associations between arachidic acid (20:0), docosanoic acid (22:0), tricosanoic acid (23:0), and lignoceric acid (24:0) with cognitive function in older adults. METHODS This study used a dataset derived from the 2011-2014 National Health and Nutrition Examination Survey (NHANES). A total of 806 adults (≥ 60 years) were included who underwent comprehensive cognitive testing and plasma fatty acid measurements. Multivariable linear regression, restricted cubic spline (RCS), and interaction analyses were used to assess associations between VLSFAs and cognitive function. Partial Spearman' s correlation analysis was used to examine the correlations between VLSFAs and palmitic acid (16:0), high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, total cholesterol, triglycerides, systemic inflammatory markers, and dietary nutrients. RESULTS Multivariable linear regression analysis, adjusting for sociodemographic, clinical conditions, and lifestyle factors, showed that 22:0 and 24:0 levels were positively associated with better global cognitive function (β = 0.37, 95% confidence interval [CI] = 0.01, 0.73; β = 0.73, 95% CI = 0.29, 1.2, respectively) as well as better CEARD-DR Z-score (β = 0.82, 95% CI = 0.36, 1.3 and β = 1.2, 95% CI = 0.63, 1.8, respectively). RCS analysis showed linear associations between higher 22:0 and 24:0 levels and better cognitive performance in both global cognitive function and CERAD-DR tests. CONCLUSIONS The study suggests that higher levels of 22:0 and 24:0 are associated with better global cognitive function in older adults. 22:0 and 24:0 may be important biomarkers for recognizing cognitive impairment, and supplementation with specific VLSFAs (22:0 and 24:0) may be an important intervention to improve cognitive function. Further studies are needed to elucidate the underlying biological mechanisms between VLSFAs and cognitive function.
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Affiliation(s)
- Yanxin Shen
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Chunxiao Wei
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Yezi Taishi
- Department of Cadre Ward, The First Hospital of Jilin University, Changchun, China
| | - Guimei Zhang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Zhan Su
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Panpan Zhao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Yongchun Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Mingxi Li
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China
| | - Yingshi Ji
- Department of Pharmacology, Physiology and Cell Biology, College of Basic Medical Sciences, Jilin University, Changchun, China
| | - Li Sun
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin Street 1#, 130021, Changchun, China.
- Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Changchun, China.
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Teng Z, Feng J, Xie X, Xu J, Jiang X, Lv P. A Nomogram Including Total Cerebral Small Vessel Disease Burden Score for Predicting Mild Vascular Cognitive Impairment in Patients with Type 2 Diabetes Mellitus. Diabetes Metab Syndr Obes 2024; 17:1553-1562. [PMID: 38601039 PMCID: PMC11005931 DOI: 10.2147/dmso.s451862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 03/29/2024] [Indexed: 04/12/2024] Open
Abstract
Background Total cerebral small vessel disease (CSVD) burden score is an important predictor of vascular cognitive impairment (VCI). However, few predictive models of VCI in type 2 diabetes mellitus (T2DM) patients have included the total CSVD burden score, especially in the early stage of VCI. Objective To develop and validate a nomogram that includes the total CSVD burden score to predict mild VCI in patients with T2DM. Methods A total of 322 eligible participants with T2DM who were divided into mild and normal cognitive groups were enrolled in this retrospective study. Demographic data, laboratory data and imaging markers of CSVD were collected. The total CSVD burden score was calculated by combining the different CSVD markers. Step-backward multivariable logistic regression analysis with the Akaike information criterion was applied to select significant predictors and develop a best-fit predictive nomogram. The performance of the nomogram was assessed in terms of discriminative ability, calibrated ability, and clinical usefulness. Results The nomogram model consisted of five variables: age, education, hemoglobin A1c level, serum homocysteine level, and total CSVD burden score. A nomogram with these variables showed good discriminative ability (area under the receiver operating characteristic curve was 0.801 in internal verification). In addition, the Hosmer-Lemeshow test (χ2 =9.226, P=0.417) and bootstrap-corrected calibration plot indicated that the nomogram had good calibration. The Brier score of the predictive model was 0.178. Decision curve analysis demonstrated that when the threshold probability ranged between 16% and 98%, the use of the nomogram to predict mild VCI in patients with T2DM provide a greater net benefit. Conclusions The nomogram, composed of age, education, stroke, HbA1c level, Hcy level, and total CSVD burden score, had good predictive accuracy and may provide clinicians with a practical tool for predicting the risk of mild VCI in T2DM patients.
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Affiliation(s)
- Zhenjie Teng
- Department of Neurology, Hebei Medical University, Shijiazhuang, People’s Republic of China
- Department of Neurology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
- Hebei Provincial Key Laboratory of Cerebral Networks and Cognitive Disorders, Shijiazhuang, People’s Republic of China
| | - Jing Feng
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
| | - Xiaohua Xie
- Department of Neurology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
| | - Jing Xu
- Department of Neurology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
| | - Xin Jiang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
| | - Peiyuan Lv
- Department of Neurology, Hebei Medical University, Shijiazhuang, People’s Republic of China
- Department of Neurology, Hebei General Hospital, Shijiazhuang, People’s Republic of China
- Hebei Provincial Key Laboratory of Cerebral Networks and Cognitive Disorders, Shijiazhuang, People’s Republic of China
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Ciudin A, Hernández C, Simó-Servat O, Simó R. The usefulness of the retina for identifying people with type 2 diabetes with prodromal stages of dementia. Neurosci Biobehav Rev 2024; 159:105592. [PMID: 38365136 DOI: 10.1016/j.neubiorev.2024.105592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 02/05/2024] [Accepted: 02/13/2024] [Indexed: 02/18/2024]
Abstract
Type 2 diabetes (T2D) is associated with cognitive impairment and dementia. The detection of cognitive impairment is important because this population is at higher risk of experiencing difficulties in the self-management of diabetes. Mild cognitive impairment (MCI) often remains undiagnosed due to lack of simple tools for screening at large scale. This represents an important gap in the patients' management because subjects with diabetes and MCI are at high risk of progressing to dementia. Due to its developmental origin as a brain-derived tissue, the retina has been proposed as a potential means of non-invasive and readily accessible exploration of brain pathology. Recent evidence showed that retinal imaging and/or functional tests are correlated with the cognitive function and brain changes in T2D. Simple retinal functional tests (i.e. retinal microperimetry) have proven to be useful as reliable tool for the cognitive evaluation and monitoring in patients with T2D>65 years. This review gives an overall update on the usefulness of retinal imaging in identifying patients with T2D at risk of developing dementia.
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Affiliation(s)
- Andreea Ciudin
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute (VHIR), Endocrinology Department, Vall d'Hebron University Hospital, Autonomous University Barcelona, Barcelona 08035, Spain; CIBERDEM (Instituto de Salud Carlos III), Madrid 28029, Spain
| | - Cristina Hernández
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute (VHIR), Endocrinology Department, Vall d'Hebron University Hospital, Autonomous University Barcelona, Barcelona 08035, Spain; CIBERDEM (Instituto de Salud Carlos III), Madrid 28029, Spain
| | - Olga Simó-Servat
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute (VHIR), Endocrinology Department, Vall d'Hebron University Hospital, Autonomous University Barcelona, Barcelona 08035, Spain; CIBERDEM (Instituto de Salud Carlos III), Madrid 28029, Spain
| | - Rafael Simó
- Diabetes and Metabolism Research Unit, Vall d'Hebron Research Institute (VHIR), Endocrinology Department, Vall d'Hebron University Hospital, Autonomous University Barcelona, Barcelona 08035, Spain; CIBERDEM (Instituto de Salud Carlos III), Madrid 28029, Spain.
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Tao B, Tian P, Hao Z, Qi Z, Zhang J, Liu J, Liu J, Li M, Zhang Z, Zhang P. Bariatric Surgery Improves Cognition Function in the Patients with Obesity: A Meta-Analysis. Obes Surg 2024; 34:1004-1017. [PMID: 38342815 DOI: 10.1007/s11695-024-07086-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/27/2024] [Accepted: 02/01/2024] [Indexed: 02/13/2024]
Abstract
Obesity and related comorbidities have negative impacts on cognitive function. Weight loss seems to be associated with the improvement of cognitive function and the recovery of brain structure, but the underlying mechanism is not clear. This meta-analysis aimed to explore the status of cognitive function including memory, executive function, attention and language ability in patients with obesity, and to further investigate whether bariatric surgery can improve overall cognitive function in these patients. A total of 11 literatures with 728 subjects were included after retrieval and exclusion. The meta-analysis showed significant improvements in memory, attention and executive function scores after undergoing bariatric surgery in the patients with obesity. However, there was no significant improvement in language ability.
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Affiliation(s)
- Boyu Tao
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Peirong Tian
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China
| | - Zhen Hao
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Zitian Qi
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Jingyu Zhang
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
| | - Jia Liu
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China
| | - Jingli Liu
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China
| | - Mengyi Li
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China
| | - Zhongtao Zhang
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China
| | - Peng Zhang
- Division of Metabolic and Bariatric Surgery, General Surgery Center, Beijing Friendship Hospital, Capital Medical University, Beijing, 100050, China.
- National Clinical Research Center for Digestive Diseases, Beijing, 100050, China.
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Wen J, Hao X, Jia Y, Wang B, Pang J, Liang F. Sex Differences in the Association Between LDL/HDL with Cognitive Decline in Older Adults: National Health and Nutrition Examination Survey. J Alzheimers Dis 2024; 98:1493-1502. [PMID: 38578891 DOI: 10.3233/jad-231195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
Background Lipids have a significant impact on the development and functioning of the nervous system, but the sex differences between the association of LDL/HDL, which reflects lipid metabolic status, and cognitive impairment remains unclear. Objective We aimed to determine if there were sex differences between the association of LDL/HDL and cognitive function in US older adults. Methods This population-based cross-sectional study used data from the National Health and Nutrition Examination Survey (NHANES) 2011-2012 and 2013-2014 cycles. The main outcome was poor cognitive performance defined by the Digit Symbol Substitution Test (DSST) < 34 based on published literature. Results A total of 1,225 participants were included in the study, with a cognitive impairment incidence of 25.6% (314/1,225). Multivariate regression models demonstrated a significant association between cognitive decline and each 1-unit increase in LDL/HDL, after adjusting for all covariates (adjusted odds ratio [OR] = 1.36, 95% confidence interval [CI]: 1.11-1.67). Furthermore, subgroup analysis revealed an interaction between LDL/HDL and cognitive impairment in sex subgroups. Conclusions LDL/HDL was associated with cognitive impairment in the US older adult population in adjusted models, although the significance of this association was not observed in females.
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Affiliation(s)
- Jiaqi Wen
- Department of Neurology, Baotou Central Hospital, Baotou, China
- Inner Mongolia Autonomous Region Clinical Medical Research Center for Neurological Diseases, Baotou, China
| | - Xiwa Hao
- Department of Neurology, Baotou Central Hospital, Baotou, China
- Inner Mongolia Autonomous Region Clinical Medical Research Center for Neurological Diseases, Baotou, China
| | - Yanhong Jia
- Department of Neurology, Baotou Central Hospital, Baotou, China
| | - Baojun Wang
- Department of Neurology, Baotou Central Hospital, Baotou, China
- Inner Mongolia Autonomous Region Clinical Medical Research Center for Neurological Diseases, Baotou, China
| | - Jiangxia Pang
- Department of Neurology, Baotou Central Hospital, Baotou, China
- Inner Mongolia Autonomous Region Clinical Medical Research Center for Neurological Diseases, Baotou, China
| | - Furu Liang
- Department of Neurology, Baotou Central Hospital, Baotou, China
- Inner Mongolia Autonomous Region Clinical Medical Research Center for Neurological Diseases, Baotou, China
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Tang W, Yan C, He S, Du M, Cheng B, Deng B, Zhu S, Li Y, Wang Q. Neuron-targeted overexpression of caveolin-1 alleviates diabetes-associated cognitive dysfunction via regulating mitochondrial fission-mitophagy axis. Cell Commun Signal 2023; 21:357. [PMID: 38102662 PMCID: PMC10722701 DOI: 10.1186/s12964-023-01328-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 09/19/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (T2DM) induced diabetes-associated cognitive dysfunction (DACD) that seriously affects the self-management of T2DM patients, is currently one of the most severe T2DM-associated complications, but the mechanistic basis remains unclear. Mitochondria are highly dynamic organelles, whose function refers to a broad spectrum of features such as mitochondrial dynamics, mitophagy and so on. Mitochondrial abnormalities have emerged as key determinants for cognitive function, the relationship between DACD and mitochondria is not well understood. METHODS Here, we explored the underlying mechanism of mitochondrial dysfunction of T2DM mice and HT22 cells treated with high glucose/palmitic acid (HG/Pal) focusing on the mitochondrial fission-mitophagy axis with drug injection, western blotting, Immunofluorescence, and electron microscopy. We further explored the potential role of caveolin-1 (cav-1) in T2DM induced mitochondrial dysfunction and synaptic alteration through viral transduction. RESULTS As previously reported, T2DM condition significantly prompted hippocampal mitochondrial fission, whereas mitophagy was blocked rather than increasing, which was accompanied by dysfunctional mitochondria and impaired neuronal function. By contrast, Mdivi-1 (mitochondrial division inhibitor) and urolithin A (mitophagy activator) ameliorated mitochondrial and neuronal function and thereafter lead to cognitive improvement by inhibiting excessive mitochondrial fission and giving rise to mitophagy, respectively. We have previously shown that cav-1 can significantly improve DACD by inhibiting ferroptosis. Here, we further demonstrated that cav-1 could not only inhibit mitochondrial fission via the interaction with GSK3β to modulate Drp1 pathway, but also rescue mitophagy through interacting with AMPK to activate PINK1/Parkin and ULK1-dependent signlings. CONCLUSIONS Overall, our data for the first time point to a mitochondrial fission-mitophagy axis as a driver of neuronal dysfunction in a phenotype that was exaggerated by T2DM, and the protective role of cav-1 in DACD. Graphic Summary Illustration. In T2DM, excessive mitochondrial fission and impaired mitophagy conspire to an altered mitochondrial morphology and mitochondrial dysfunction, with a consequent neuronal damage, overall suggesting an unbalanced mitochondrial fission-mitophagy axis. Upon cav-1 overexpression, GSK3β and AMPK are phosphorylated respectively to activate Drp1 and mitophagy-related pathways (PINK1 and ULKI), ultimately inhibits mitochondrial fission and enhances mitophagy. In the meantime, the mitochondrial morphology and neuronal function are rescued, indicating the protective role of cav-1 on mitochondrial fission-mitophagy axis. Video Abstract.
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Affiliation(s)
- Wenxin Tang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
- Department of Anesthesiology and Perioperative Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Chaoying Yan
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Shuxuan He
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Mengyu Du
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Bo Cheng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Bin Deng
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Shan Zhu
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China
| | - Yansong Li
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China.
| | - Qiang Wang
- Department of Anesthesiology & Center for Brain Science, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shanxi, China.
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Meng F, Fu J, Zhang L, Guo M, Zhuang P, Yin Q, Zhang Y. Function and therapeutic value of astrocytes in diabetic cognitive impairment. Neurochem Int 2023; 169:105591. [PMID: 37543309 DOI: 10.1016/j.neuint.2023.105591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/25/2023] [Accepted: 08/01/2023] [Indexed: 08/07/2023]
Abstract
Diabetic cognitive impairment (DCI) is a complex complication of diabetes in the central nervous system, and its pathological mechanism is still being explored. Astrocytes are abundant glial cells in central nervous system that perform diverse functions in health and disease. Accumulating excellent research has identified astrocyte dysfunction in many neurodegenerative diseases (such as Alzheimer's disease, aging and Parkinson's disease), and summarized and discussed its pathological mechanisms and potential therapeutic value. However, the contribution of astrocytes to DCI has been largely overlooked. In this review, we first systematically summarized the effects and mechanisms of diabetes on brain astrocytes, and found that the diabetic environment (such as hyperglycemia, advanced glycation end products and cerebral insulin resistance) mediated brain reactive astrogliosis, which was specifically reflected in the changes of cell morphology and the remodeling of signature molecules. Secondly, we emphasized the contribution and potential targets of reactive astrogliosis to DCI, and found that reactive astrogliosis-induced increased blood-brain barrier permeability, glymphatic system dysfunction, neuroinflammation, abnormal cell communication and cholesterol metabolism dysregulation worsened cognitive function. In addition, we summarized effective strategies for treating DCI by targeting astrocytes. Finally, we discuss the application of new techniques in astrocytes, including single-cell transcriptome, in situ sequencing, and prospected new functions, new subsets and new targets of astrocytes in DCI.
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Affiliation(s)
- Fanyu Meng
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Jiafeng Fu
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Lin Zhang
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Mengqing Guo
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Pengwei Zhuang
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin, 301617, China
| | - Qingsheng Yin
- Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin, 301617, China.
| | - Yanjun Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin, 301617, China; First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300193, China.
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10
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Liu Y, Zang B, Shao J, Ning N, He L, Ma Y. Predictor of cognitive impairment: metabolic syndrome or circadian syndrome. BMC Geriatr 2023; 23:408. [PMID: 37403015 DOI: 10.1186/s12877-023-03996-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 04/24/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND It was reported that metabolic syndrome increases the risk for cognitive impairment and circadian rhythm may influence cognition behavior. Identifying the potential risk factors is essential to screen individuals with neuronal dysfunction, neuronal loss, and cognitive decline and prevent cognitive impairment and dementia development. METHODS We clarified participants by the presence of metabolic syndrome (MetS) and circadian syndrome (CircS) and employed three multivariable Generalized Estimating Equation (GEE) models to control the potential confounding factors and estimate the β values for cognitive function using as referents those had neither MetS nor CircS at baseline. The cognitive function consists of episodic memory and executive function was estimated via the modified Telephone Interview for Cognitive Status (TICS) every two years until 2015. RESULTS The mean age of the participants was 58.80 (8.93) years and 49.92% (male). The prevalence of MetS and CircS was 42.98% and 36.43%, respectively. 1,075 (11.00%) and 435 (4.45%) participants had either MetS or CircS alone and 3,124 (31.98%) had both CircS and MetS. Participants with both MetS and CircS compared with normal had a significantly decreased cognitive function score during the 4-years cohort (β = -0.32, 95% CI: -0.63, -0.01) with the complete model, as well as among participants who suffered from CircS alone (β = -0.82, 95% CI: -1.47, -0.16), while not among participants with MetS alone (β = 0.13, 95% CI: -0.27, 0.53). Specifically, compared with the normal population a significantly lower score was discovered in the episodic memory (β = -0.51, 95% CI: -0.95, -0.07), while slightly lower in executive function (β = -0.33, 95% CI: -0.68, -0.01) among individuals with CircS alone. CONCLUSIONS Individuals with CircS alone or both MetS and CircS have a high risk of cognitive impairment. The association was even stronger in participants with CircS alone than those with both MetS and CircS, suggesting CircS probably have a stronger association with cognitive functioning than MetS and could be a better predictor for cognitive impairment.
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Affiliation(s)
- Yang Liu
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning Province, China
| | - Boying Zang
- Department of Preventive Medicine, School of Public Heath, North China University of Science and Technology, Tangshan, Hebei, China
| | - Jinang Shao
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning Province, China
| | - Ning Ning
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning Province, China
| | - Lixia He
- Division of Molecular and Cellular Oncology, Brigham and Women's Hospital, Dana-Farber Cancer Institute, Harvard Medical School, Boston, 02215, USA.
| | - Yanan Ma
- Department of Biostatistics and Epidemiology, School of Public Health, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning Province, China.
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11
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van Gennip ACE, Schram MT, Köhler S, Kroon AA, Koster A, Eussen SJPM, de Galan BE, van Sloten TT, Stehouwer CDA. Association of type 2 diabetes according to the number of risk factors within the recommended range with incidence of major depression and clinically relevant depressive symptoms: a prospective analysis. THE LANCET. HEALTHY LONGEVITY 2023; 4:e63-e71. [PMID: 36738746 DOI: 10.1016/s2666-7568(22)00291-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Type 2 diabetes is associated with an increased risk of depression, but the extent to which risk factor modification can mitigate this risk is unclear. We aimed to examine the association between the incidence of major depression and clinically relevant depressive symptoms among individuals with type 2 diabetes, according to the number of risk factors within the recommended target range, compared with individuals without diabetes. METHODS We did a prospective analysis of population-based data from the UK Biobank and the Maastricht Study. Individuals with type 2 diabetes were categorised according to the number of risk factors within the recommended target range (non-smoking, guideline-recommended levels of glycated haemoglobin (HbA1c), blood pressure, BMI, albuminuria, physical activity, and diet). The primary outcome, based on data from the UK Biobank, was the incidence of major depression ascertained from hospital records; the secondary outcome, based on data from the UK Biobank and the Maastricht Study, was clinically relevant depressive symptoms based on a score of 10 or higher on the Patient Health Questionnaire (PHQ-9). FINDINGS The study population of the UK Biobank comprised 77 786 individuals (9047 with type 2 diabetes and 68 739 without diabetes; median age 59 years [IQR 51-64]; 34 136 [43·9%] women and 43 650 [56·1%] men). A median of 12·7 years (IQR 11·8-13·4) after recruitment (between March 13, 2006, and Oct 1, 2010), 493 (5·5%) of 9047 individuals with type 2 diabetes and 2574 (3·7%) of 68 739 individuals without diabetes developed major depression. Compared with individuals without diabetes, those with type 2 diabetes had a higher risk of major depression (hazard ratio [HR] 1·61 [95% CI 1·49-1·77]). Among individuals with type 2 diabetes, the excess risk of depression decreased stepwise with an increasing number of risk factors within the recommended target range (HR 2·04 [95% CI 1·65-2·52] for up to two risk factors within the recommended target range; 1·95 [1·65-2·30] for three risk factors within the recommended target range; 1·38 [1·16-1·65] for four risk factors within the recommended target range; and 1·34 [1·12-1·62] for five to seven risk factors within the recommended target range). In the UK Biobank dataset, a median of 7·5 years (IQR 6·8-8·2) after the baseline examination, 147 (7·5%) of 1953 individuals with type 2 diabetes and 954 (4·5%) of 21 413 individuals without diabetes had developed clinically relevant depressive symptoms. The study population of the Maastricht Study comprised 4530 individuals (1158 with type 2 diabetes and 3372 without diabetes; median age 60 years [IQR 53-66]; 2244 [49·5%] women and 2286 [50·1%] men). A median of 5·1 years (IQR 4·1-6·1) after recruitment (between Sept 1, 2010, and Dec 7, 2017), 170 (14·7%) of 1158 individuals with type 2 diabetes and 227 (6·7%) of 3372 individuals without diabetes developed clinically relevant depressive symptoms. Similarly, in both the UK Biobank dataset and the Maastricht Study cohort, among individuals with type 2 diabetes, the excess risk of clinically relevant depressive symptoms decreased stepwise with an increasing number of risk factors within the recommended target range. INTERPRETATION Among individuals with type 2 diabetes, the excess risk of major depression and clinically relevant depressive symptoms decreased stepwise with an increasing number of risk factors within the recommended target range. This study provides further evidence to promote risk factor modification strategies in individuals with type 2 diabetes and to encourage the adoption of a healthy lifestyle. FUNDING ZonMW, Hartstichting, and Diabetes Fonds.
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Affiliation(s)
- April C E van Gennip
- Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Netherlands; School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands
| | - Miranda T Schram
- Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Netherlands; Heart and Vascular Centre, Maastricht University Medical Centre, Maastricht, Netherlands; School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands; School for Mental Health and Neuroscience MHENS, Maastricht University, Maastricht, Netherlands
| | - Sebastian Köhler
- School for Mental Health and Neuroscience MHENS, Maastricht University, Maastricht, Netherlands; Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, Netherlands
| | - Abraham A Kroon
- Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Netherlands; School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands
| | - Annemarie Koster
- Care and Public Health Research Institute CAPHRI, Maastricht University, Maastricht, Netherlands; Department of Social Medicine, Maastricht University, Maastricht, Netherlands
| | - Simone J P M Eussen
- School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands; Care and Public Health Research Institute CAPHRI, Maastricht University, Maastricht, Netherlands; Department of Epidemiology, Maastricht University, Maastricht, Netherlands
| | - Bastiaan E de Galan
- Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Netherlands; School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands; Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Thomas T van Sloten
- Department of Vascular Medicine, University Medical Centre Utrecht, Utrecht, Netherlands.
| | - Coen D A Stehouwer
- Department of Internal Medicine, Maastricht University Medical Centre, Maastricht, Netherlands; School for Cardiovascular Diseases CARIM, Maastricht University, Maastricht, Netherlands
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12
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Chen Y, Zhang Y, Li S, Zhou L, Li H, Li D, Wang Y, Yang H. Cardiometabolic diseases, polygenic risk score, APOE genotype, and risk of incident dementia: A population-based prospective cohort study. Arch Gerontol Geriatr 2023; 105:104853. [PMID: 36347157 DOI: 10.1016/j.archger.2022.104853] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/07/2022]
Abstract
Objective We aimed to prospective investigate the association between cardiometabolic diseases (CMDs) with dementia, and to examine whether genetic factors and CMDs jointly contribute to the incidence of dementia. Methods We used data from the UK biobank of 204,646 adults aged 37-73 free of dementia at baseline. Genetic risk for dementia including APOE ε4 status and polygenic risk score (PRS) categorized as low, intermediate, and high. CMDs including ischemic heart disease (IHD), stroke, and type 2 diabetes (T2D) were confirmed by touchscreen questionnaires, medical examinations, and hospital inpatient records. Results Over the follow-up (median: 12.5 years), 5,750 participants developed dementia. The HRs (95% CI) of those with APOE ε4 carriers and high PRS were 3.16 (3.00-3.33) and 1.50 (1.41-1.60), respectively. The risk of dementia was 70% higher among those with CMDs (HR: 1.70; 95% CI: 1.60-1.82). In joint effect analyses, compared to no CMDs and APOE ε4 non-carriers, the HRs (95% CIs) of dementia were 3.53 (3.31-3.76)/2.06 (1.89-2.23) in participants with only APOE ε4 carriers and CMDs, and 5.06 (4.64-5.53) for those with APOE ε4 carriers plus CMDs. Compared to no CMDs and low PRS, the HRs (95% CIs) of dementia were 1.29 (1.19-1.40)/1.60 (1.48-1.73) in participants with only intermediate and high PRS, and 2.00 (1.79-2.23)/2.63 (2.38-2.92) for those with intermediate, and high PRS plus CMDs. Moreover, there were significant additive and multiplication interactions between CMDs and APOE ε4 carriers of dementia, but only multiplication interaction was observed for PRS. Conclusions CMDs were associated with higher risk of dementia regardless of genetic risk for dementia.
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Affiliation(s)
- Yanchun Chen
- School of Public Health, Tianjin Medical University, Tianjin, China
| | - Yuan Zhang
- School of Public Health, Tianjin Medical University, Tianjin, China
| | - Shu Li
- School of Management, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Lihui Zhou
- School of Public Health, Tianjin Medical University, Tianjin, China
| | - Huiping Li
- School of Public Health, Tianjin Medical University, Tianjin, China
| | - Dun Li
- The Discipline of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yaogang Wang
- School of Public Health, Tianjin Medical University, Tianjin, China; The Discipline of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Hongxi Yang
- Department of Bioinformatics, School of Basic Medical Sciences, Tianjin Medical University, Tianjin, China.
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13
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Huber J, Smeikal M, Saely CH, Stingl H, Clodi M, Lechleitner M, Fasching P. [Geriatric aspects for the management of diabetes mellitus (Update 2023)]. Wien Klin Wochenschr 2023; 135:307-318. [PMID: 37101051 PMCID: PMC10133361 DOI: 10.1007/s00508-022-02124-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2022] [Indexed: 04/28/2023]
Abstract
There is a high prevalence of diabetes mellitus in the elderly population of industrial countries. The present article provides recommendations for the screening, prevention and treatment of elderly diabetic patients according to current scientific evidence.
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Affiliation(s)
- Joakim Huber
- Abteilung für Innere Medizin mit Akutgeriatrie und Palliativmedizin, Franziskus Spital, Standort Landstraße, Landstraßer Hauptstraße 4a, 1030 Wien, Österreich
| | - Michael Smeikal
- Abteilung für Innere Medizin mit allgemeiner Geriatrie und Palliativmedizin, Haus der Barmherzigkeit, Wien, Österreich
| | - Christoph H. Saely
- Abteilung für Innere Medizin und Kardiologie/VIVIT-Institut, Landeskrankenhaus Feldkirch, Feldkirch, Österreich
| | - Harald Stingl
- Interne Abteilung, Landesklinikum Melk, Melk, Österreich
| | - Martin Clodi
- ICMR—Institute for Cardiovascular and Metabolic Research, Johannes Kepler Universität Linz (JKU Linz), 4040 Linz, Österreich
| | - Monika Lechleitner
- Interne Abteilung, Landeskrankenhaus Hochzirl – Natters, Hochzirl, Österreich
| | - Peter Fasching
- 5. Medizinische Abteilung mit Endokrinologie, Rheumatologie und Akutgeriatrie, Klinik Ottakring der Stadt Wien, Wien, Österreich
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14
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Fanelli G, Mota NR, Salas-Salvadó J, Bulló M, Fernandez-Aranda F, Camacho-Barcia L, Testa G, Jiménez-Murcia S, Bertaina-Anglade V, Franke B, Poelmans G, van Gils V, Jansen WJ, Vos SJB, Wimberley T, Dalsgaard S, Barta C, Serretti A, Fabbri C, Bralten J. The link between cognition and somatic conditions related to insulin resistance in the UK Biobank study cohort: a systematic review. Neurosci Biobehav Rev 2022; 143:104927. [PMID: 36367493 DOI: 10.1016/j.neubiorev.2022.104927] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/14/2022] [Accepted: 10/23/2022] [Indexed: 11/09/2022]
Abstract
Clinical and genomic studies have shown an overlap between neuropsychiatric disorders and insulin resistance (IR)-related somatic conditions, including obesity, type 2 diabetes, and cardiovascular diseases. Impaired cognition is often observed among neuropsychiatric disorders, where multiple cognitive domains may be affected. In this review, we aimed to summarise previous evidence on the relationship between IR-related diseases/traits and cognitive performance in the large UK Biobank study cohort. Electronic searches were conducted on PubMed, Scopus, and Web of Science until April 2022. Eighteen articles met the inclusion criteria and were qualitatively reviewed. Overall, there is substantial evidence for an association between IR-related cardio-metabolic diseases/traits and worse performance on various cognitive domains, which is largely independent of possible confoundings. The most consistent findings referred to IR-related associations with poorer verbal and numerical reasoning ability, as well as slower processing speed. The observed associations might be mediated by alterations in immune-inflammation, brain integrity/connectivity, and/or comorbid somatic or psychiatric diseases/traits. Our findings provide impetus for further research into the underlying neurobiology and possible new therapeutic targets.
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Affiliation(s)
- Giuseppe Fanelli
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands; Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Nina Roth Mota
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands
| | - Jordi Salas-Salvadó
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Reus, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain
| | - Mònica Bulló
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Reus, Spain; Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain
| | - Fernando Fernandez-Aranda
- CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain; Psychoneurobiology of Eating and Addictive Behaviours Group, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain; Department of Psychiatry, Bellvitge University Hospital, Barcelona, Spain; Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | - Lucía Camacho-Barcia
- CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain; Psychoneurobiology of Eating and Addictive Behaviours Group, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain; Department of Psychiatry, Bellvitge University Hospital, Barcelona, Spain
| | - Giulia Testa
- CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain; Psychoneurobiology of Eating and Addictive Behaviours Group, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain; Department of Psychiatry, Bellvitge University Hospital, Barcelona, Spain
| | - Susana Jiménez-Murcia
- CIBER Fisiopatología Obesidad y Nutrición (CIBERObn), Carlos III Health Institute (ISCIII), Madrid, Spain; Psychoneurobiology of Eating and Addictive Behaviours Group, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain; Department of Psychiatry, Bellvitge University Hospital, Barcelona, Spain; Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain
| | | | - Barbara Franke
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands; Department of Psychiatry, Radboud university medical center, Nijmegen, The Netherlands
| | - Geert Poelmans
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands
| | - Veerle van Gils
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and NeuroScience, Maastricht University, Maastricht, The Netherlands
| | - Willemijn J Jansen
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and NeuroScience, Maastricht University, Maastricht, The Netherlands
| | - Stephanie J B Vos
- Alzheimer Center Limburg, Department of Psychiatry and Neuropsychology, School for Mental Health and NeuroScience, Maastricht University, Maastricht, The Netherlands
| | - Theresa Wimberley
- National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark
| | - Søren Dalsgaard
- National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark; Institute of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark; Department of Child and Adolescent Psychiatry, Mental Health Services of the Capital Region, Glostrup, Denmark
| | - Csaba Barta
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, Budapest, Hungary
| | - Alessandro Serretti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy
| | - Chiara Fabbri
- Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy; Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Janita Bralten
- Department of Human Genetics, Radboud university medical center, Nijmegen, The Netherlands; Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands.
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Litkowski EM, Logue MW, Zhang R, Charest BR, Lange EM, Hokanson JE, Lynch JA, Vujkovic M, Phillips LS, Lange LA, Hauger RL, Raghavan S. A Diabetes Genetic Risk Score Is Associated With All-Cause Dementia and Clinically Diagnosed Vascular Dementia in the Million Veteran Program. Diabetes Care 2022; 45:2544-2552. [PMID: 36041056 PMCID: PMC9679262 DOI: 10.2337/dc22-0105] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 07/15/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Diabetes and dementia are diseases of high health care burden worldwide, and studies have shown that diabetes is associated with an increased relative risk of dementia. We set out to examine whether type 2 diabetes-associated genetic variants were associated with dementia and whether they differed by race/ethnicity or clinical dementia diagnosis. RESEARCH DESIGN AND METHODS We evaluated associations of two type 2 diabetes genetic risk scores (GRS and GRS-nonAPOE: a score without rs429358, a variant associated with Alzheimer disease [AD]) with three classifications of clinical dementia diagnoses in the Million Veteran Program (MVP): all-cause dementia, vascular dementia (VaD), and AD. We conducted our analysis stratified by European (EUR), African (AFR), and Hispanic (HIS) races/ethnicities. RESULTS In EUR, we found associations of the GRS with all-cause dementia (odds ratio [OR] 1.06, P = 1.60e-07) and clinically diagnosed VaD (OR 1.12, P = 5.2e-05) but not with clinically diagnosed AD (OR 1.02, P = 0.43). The GRS was not associated with any dementia outcome in AFR or HIS. When testing with GRS-nonAPOE, we found that effect size estimates in EUR increased and P values decreased for all-cause dementia (OR 1.08, P = 2.6e-12), for VaD (OR 1.14, P = 7.2e-07), and for AD (OR 1.06, P = 0.018). For AFR, the association of GRS-nonAPOE and clinically diagnosed VaD (OR 1.15, P = 0.016) was statistically significant. There were no significant findings for HIS. CONCLUSIONS We found evidence suggesting shared genetic pathogenesis of diabetes with all-cause dementia and clinically diagnosed VaD.
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Affiliation(s)
- Elizabeth M. Litkowski
- VA Eastern Colorado Healthcare System, Aurora, CO
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
- Department of Epidemiology, University of Colorado, Aurora, CO
| | - Mark W. Logue
- Behavioral Sciences Division, National Center for PTSD, VA Boston Healthcare System, Boston
- Boston University Schools of Medicine and Public Health, Boston, MA
| | - Rui Zhang
- Behavioral Sciences Division, National Center for PTSD, VA Boston Healthcare System, Boston
| | | | - Ethan M. Lange
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
| | | | - Julie A. Lynch
- VA Informatics & Computing Infrastructure, VA Salt Lake City Healthcare System, Salt Lake City, UT
- School of Medicine, University of Utah, Salt Lake City, UT
| | - Marijana Vujkovic
- Corporal Michael J. Crescenz Department of Veterans Affairs Medical Center, Philadelphia, PA
- Department of Medicine (M.V.), University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Lawrence S. Phillips
- VA Atlanta Healthcare System, Decatur, GA
- Division of Endocrinology and Metabolism, Department of Medicine, Emory University School of Medicine, Atlanta, GA
| | - Leslie A. Lange
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
- Department of Epidemiology, University of Colorado, Aurora, CO
| | - Richard L. Hauger
- Center of Excellence for Stress and Mental Health, VA San Diego Healthcare System, San Diego
- Center for Behavior Genetics of Aging, School of Medicine, University of California, San Diego, La Jolla, CA
| | - Sridharan Raghavan
- VA Eastern Colorado Healthcare System, Aurora, CO
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO
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Structural equation modeling of the effects of psychological distress and a fear of coronavirus disease 2019 on diabetes care in Japan: a cross-sectional study. Sci Rep 2022; 12:16142. [PMID: 36167976 PMCID: PMC9514688 DOI: 10.1038/s41598-022-20716-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
This study aimed to examine the effects of psychological distress and a fear of coronavirus disease 2019 (COVID-19) on diabetes care in Japan. We used data from a 2020 nationwide Internet survey in Japan involving 28,000 respondents aged 15–79 years. The question items included psychological factors (Kessler psychological distress scale and fear of COVID-19), employment, trust in neighbors, informal caregiving, and history of diabetes care. After excluding respondents with comorbidities and those who had not visited the hospital, 625 patients with diabetes were analyzed. Statistical mediation was then examined through a path analysis using structural equation modeling (SEM). Discontinued diabetes care was independently associated with psychological distress (risk ratio = 1.44, 95% confidence interval [1.01–2.06]) and a fear of COVID-19 (1.41 [1.01–1.95]). The SEM results indicated that a fear of COVID-19, employment, trust in neighbors, and informal caregiving were indirectly associated with continued diabetes care via psychological distress. These findings suggest that a fear of COVID-19 may affect psychological distress and continued diabetes care among patients with diabetes in Japan, and that trust in neighbors and family caregiving may be related to the discontinuation of diabetes care. Therefore, because psychological factors and socioeconomic status may affect diabetes care, it is important to consider a fear of COVID-19 among patients with diabetes to maintain diabetes treatment.
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Kilvert A, Fox C. Risk factor modification to reduce the risk of dementia in diabetes. PRACTICAL DIABETES 2022. [DOI: 10.1002/pdi.2401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Anne Kilvert
- Northamptonshire Community Diabetes MDT, Daventry UK
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Anzahl von Risikofaktoren im Zielbereich beeinflusst Demenzrisiko bei T2D. DIABETOL STOFFWECHS 2022. [DOI: 10.1055/a-1701-1365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Kim D, Jo YS, Jo HS, Bae S, Kwon YW, Oh YS, Yoon JH. Comparative Phosphoproteomics of Neuro-2a Cells under Insulin Resistance Reveals New Molecular Signatures of Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms23021006. [PMID: 35055191 PMCID: PMC8781554 DOI: 10.3390/ijms23021006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/03/2022] [Accepted: 01/12/2022] [Indexed: 12/29/2022] Open
Abstract
Insulin in the brain is a well-known critical factor in neuro-development and regulation of adult neurogenesis in the hippocampus. The abnormality of brain insulin signaling is associated with the aging process and altered brain plasticity, and could promote neurodegeneration in the late stage of Alzheimer’s disease (AD). The precise molecular mechanism of the relationship between insulin resistance and AD remains unclear. The development of phosphoproteomics has advanced our knowledge of phosphorylation-mediated signaling networks and could elucidate the molecular mechanisms of certain pathological conditions. Here, we applied a reliable phosphoproteomic approach to Neuro2a (N2a) cells to identify their molecular features under two different insulin-resistant conditions with clinical relevance: inflammation and dyslipidemia. Despite significant difference in overall phosphoproteome profiles, we found molecular signatures and biological pathways in common between two insulin-resistant conditions. These include the integrin and adenosine monophosphate-activated protein kinase pathways, and we further verified these molecular targets by subsequent biochemical analysis. Among them, the phosphorylation levels of acetyl-CoA carboxylase and Src were reduced in the brain from rodent AD model 5xFAD mice. This study provides new molecular signatures for insulin resistance in N2a cells and possible links between the molecular features of insulin resistance and AD.
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Affiliation(s)
- Dayea Kim
- New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K-MEDI hub), Daegu 41061, Korea;
| | - Yeon Suk Jo
- Neurodegenerative Diseases Research Group, Korea Brain Research Institute, Daegu 41062, Korea; (Y.S.J.); (H.-S.J.); (S.B.); (Y.W.K.)
- Department of Brain-Cognitive Science, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea
| | - Han-Seul Jo
- Neurodegenerative Diseases Research Group, Korea Brain Research Institute, Daegu 41062, Korea; (Y.S.J.); (H.-S.J.); (S.B.); (Y.W.K.)
| | - Sungwon Bae
- Neurodegenerative Diseases Research Group, Korea Brain Research Institute, Daegu 41062, Korea; (Y.S.J.); (H.-S.J.); (S.B.); (Y.W.K.)
| | - Yang Woo Kwon
- Neurodegenerative Diseases Research Group, Korea Brain Research Institute, Daegu 41062, Korea; (Y.S.J.); (H.-S.J.); (S.B.); (Y.W.K.)
| | - Yong-Seok Oh
- Department of Brain-Cognitive Science, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea
- Correspondence: (Y.-S.O.); (J.H.Y.); Tel.: +82-53-785-6114 (Y.-S.O.); +82-53-980-8341 (J.H.Y.)
| | - Jong Hyuk Yoon
- Neurodegenerative Diseases Research Group, Korea Brain Research Institute, Daegu 41062, Korea; (Y.S.J.); (H.-S.J.); (S.B.); (Y.W.K.)
- Correspondence: (Y.-S.O.); (J.H.Y.); Tel.: +82-53-785-6114 (Y.-S.O.); +82-53-980-8341 (J.H.Y.)
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Teng Z, Feng J, Liu R, Dong Y, Chen H, Xu J, Jiang X, Li R, Lv P. Cerebral Small Vessel Disease is Associated with Mild Cognitive Impairment in Type 2 Diabetes Mellitus. Diabetes Metab Syndr Obes 2022; 15:1985-1994. [PMID: 35814027 PMCID: PMC9259063 DOI: 10.2147/dmso.s368725] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 06/29/2022] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Type 2 diabetes mellitus (T2DM) is associated with cognitive impairment, but the underlying cerebral small vessel disease (CSVD)-related structural brain correlates are unclear. The aim of this study was to investigate the relationship between various imaging markers of CSVD and mild cognitive impairment (MCI) in patients with T2DM. METHODS A total of 228 eligible participants with T2DM who were divided into MCI group and normal cognitive group based on neuropsychological assessment were enrolled in this retrospective study. White matter hyperintensity (WMH), lacunes, cerebral microbleeds (CMBs) and enlarged perivascular spaces (EPVS) were evaluated based on brain magnetic resonance imaging (MRI). The total CSVD burden score was calculated by combining the above four markers of CSVD. Binary logistic regression analysis was used to evaluate the relationship between different imaging markers of CSVD and MCI in patients with T2DM. Kruskal-Wallis test and Jonckheere-Terpstra test were used to compare mean MoCA scores among individuals with varying CSVD markers. RESULTS In the multivariate binary logistic regression analyses, moderate or severe total CSVD burden (OR: 3.29, 95% CI: 1.63-7.38, P=0.004; OR: 10.97, 95% CI: 4.94-24.34, P<0.001, respectively), moderate dWMH (OR: 3.26, 95% CI: 1.43-7.41, P=0.005), extensive lacunes (OR: 4.97, 95% CI: 1.79-13.81, P=0.002), and moderate BG-EPVS (OR: 3.84, 95% CI: 1.81-8.13, P<0.001) were associated with MCI in patients with T2DM related to MCI after adjusting for potential confounders. There was a trend for significant decrease in MoCA scores with increase severity of dWMH, pWMH, lacunes, BG-EPVS, deep CMBs, or total CSVD burden (P for trend <0.05). CONCLUSION Different imaging markers of CSVD, particularly total CSVD burden, were associated with an increased risk of MCI and decline in MoCA scores in patients with T2DM. These findings may provide clues for future studies to explore early diagnostic imaging markers of cognitive impairment in relation to T2DM.
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Affiliation(s)
- Zhenjie Teng
- Department of Neurology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Jing Feng
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Ronghui Liu
- Department of Radiology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Yanhong Dong
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Huifang Chen
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Jing Xu
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Xin Jiang
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Rui Li
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
| | - Peiyuan Lv
- Department of Neurology, Hebei Medical University, Shijiazhuang, Hebei Province, People’s Republic of China
- Department of Neurology, Hebei General Hospital, Shijiazhuang, Hebei Province, People’s Republic of China
- Correspondence: Peiyuan Lv, Department of Neurology, Hebei General Hospital, 348 Heping West Road, Shijiazhuang, Hebei Province, 050051, People’s Republic of China, Tel/Fax +86 31185988906, Email
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