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Chen A, Li Q, Huang Y, Li Y, Chuang YN, Hu X, Guo S, Wu Y, Guo Y, Bian J. Feasibility of Identifying Factors Related to Alzheimer's Disease and Related Dementia in Real-World Data. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.02.10.24302621. [PMID: 38405723 PMCID: PMC10889002 DOI: 10.1101/2024.02.10.24302621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
A comprehensive view of factors associated with AD/ADRD will significantly aid in studies to develop new treatments for AD/ADRD and identify high-risk populations and patients for prevention efforts. In our study, we summarized the risk factors for AD/ADRD by reviewing existing meta-analyses and review articles on risk and preventive factors for AD/ADRD. In total, we extracted 477 risk factors in 10 categories from 537 studies. We constructed an interactive knowledge map to disseminate our study results. Most of the risk factors are accessible from structured Electronic Health Records (EHRs), and clinical narratives show promise as information sources. However, evaluating genomic risk factors using RWD remains a challenge, as genetic testing for AD/ADRD is still not a common practice and is poorly documented in both structured and unstructured EHRs. Considering the constantly evolving research on AD/ADRD risk factors, literature mining via NLP methods offers a solution to automatically update our knowledge map.
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Affiliation(s)
- Aokun Chen
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Qian Li
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Yu Huang
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Yongqiu Li
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Yu-Neng Chuang
- Department of Computer Science, George R. Brown School of Engineering, Rice University, 6100 Main St., Houston, TX 77005
| | - Xia Hu
- Department of Computer Science, George R. Brown School of Engineering, Rice University, 6100 Main St., Houston, TX 77005
| | - Serena Guo
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, 1225 Center Drive, Gainesville, FL 32610
| | - Yonghui Wu
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Yi Guo
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
| | - Jiang Bian
- Department of Health Outcomes and Biomedical Informatics, College of Medicine, University of Florida, 1889 Museum Rd, Suite 7000, Gainesville, FL 32610
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Rabiee N, Bagherzadeh M, Rabiee M. A Perspective to the Correlation Between Brain Insulin Resistance and Alzheimer: Medicinal Chemistry Approach. Curr Diabetes Rev 2019; 15:255-258. [PMID: 30381082 DOI: 10.2174/1573399814666181031154817] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/17/2018] [Accepted: 10/29/2018] [Indexed: 12/11/2022]
Abstract
Substantial terms have been recognized on the associated risk elements, comorbidities as well as, putative pathophysiological processes of Alzheimer disease and related dementias (ADRDs) as well as, type 2 diabetes mellitus (T2DM), a few from greatest important disease from the moments. Very much is considered regarding the biology and chemistry of each predicament, nevertheless T2DM and ADRDs are an actually similar pattern developing from the similar origins of maturing or synergistic conditions connected by aggressive patho-corporeal terms and continues to be ambiguous. In this depth-critique article, we aimed to investigate all possibilities and represented a novel and applicable approach from the Medicinal Chemistry concepts.
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Affiliation(s)
- Navid Rabiee
- Department of Chemistry, Sharif University of Technology, Tehran, Iran
| | | | - Mohammad Rabiee
- Biomaterial Group, Biomedical Engineering Department, Amirkabir University of Technology, Tehran, Iran
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Wu WL, Feng XW, Qiu CF, Lin J, Bao XJ. A meta-analysis of PDE-gene polymorphism and cerebral infarction risk. Exp Ther Med 2017; 13:2905-2911. [PMID: 28587358 PMCID: PMC5450647 DOI: 10.3892/etm.2017.4318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 02/16/2017] [Indexed: 11/15/2022] Open
Abstract
Previous studies identified that phosphodiesterase 4D (PDE4D) gene polymorphism might be associated with cerebral infarction or ischemic stroke, and hemorrhagic stroke in human populations. However, as yet, no meta-analysis has revealed any detailed association. We retrospectively reviewed studies regarding the relationship of PDE4D gene polymorphism with ischemic stroke (IS) published during the period January 2003 to September 2012. According to the inclusion criteria, 9 of 105 initial studies were included in the subsequent analysis. The PubMed, Embase and CNKI of China were searched to identify the relevant studies. A total of 186 young patients with IS were included for the meta-analysis and 232 matched control subjects were enrolled and results were presented. The association of PDE4D gene polymorphism with IS in various populations was examined. The results suggested that single nucleotide polymorphism (SNP), SNP 83 in PDE4D gene was significantly related with susceptibility to IS. The meta-analysis also showed that PDE4D gene was associated with an enhanced risk of IS. The meta-analysis suggested that PDE4D SNP 87 constitutes an independent risk factor for IS development. To the best of our knowledge, the present meta-analysis reveals a number of possible associations between PDE4D gene polymorphism and IS.
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Affiliation(s)
- Wei-Lin Wu
- Ward 2, Department of Neurology, The First People's Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
| | - Xue-Wen Feng
- Ward 2, Department of Neurology, The First People's Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
| | - Chen-Feng Qiu
- Ward 2, Department of Neurology, The First People's Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
| | - Jing Lin
- Ward 2, Department of Neurology, The First People's Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
| | - Xian-Jun Bao
- Ward 2, Department of Neurology, The First People's Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
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Wang N, Jia YM, Zhang B, Xue D, Reeju M, Li Y, Huang SM, Liu XW. Neuroprotective mechanism of Kai Xin San: upregulation of hippocampal insulin-degrading enzyme protein expression and acceleration of amyloid-beta degradation. Neural Regen Res 2017; 12:654-659. [PMID: 28553348 PMCID: PMC5436366 DOI: 10.4103/1673-5374.205107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Kai Xin San is a Chinese herbal formula composed of Radix Ginseng, Poria, Radix Polygalae and Acorus Tatarinowii Rhizome. It has been used in China for many years for treating amnesia. Kai Xin San ameliorates amyloid-β (Aβ)-induced cognitive dysfunction and is neuroprotective in vivo, but its precise mechanism remains unclear. Expression of insulin-degrading enzyme (IDE), which degrades Aβ, is strongly correlated with cognitive function. Here, we injected rats with exogenous Aβ42 (200 μM, 5 μL) into the hippocampus and subsequently administered Kai Xin San (0.54 or 1.08 g/kg/d) intragastrically for 21 consecutive days. Hematoxylin-eosin and Nissl staining revealed that Kai Xin San protected neurons against Aβ-induced damage. Furthermore, enzyme-linked immunosorbent assay, western blot and polymerase chain reaction results showed that Kai Xin San decreased Aβ42 protein levels and increased expression of IDE protein, but not mRNA, in the hippocampus. Our findings reveal that Kai Xin San facilitates hippocampal Aβ degradation and increases IDE expression, which leads, at least in part, to the alleviation of hippocampal neuron injury in rats.
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Affiliation(s)
- Na Wang
- Institute of Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang Province, China
| | - Yong-Ming Jia
- Institute of Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang Province, China
| | - Bo Zhang
- Department of Neuroscience, Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang Province, China
| | - Di Xue
- Institute of Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang Province, China
| | - Maharjan Reeju
- Institute of Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang Province, China
| | - Yan Li
- Department of Neuroscience, Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang Province, China
| | - Shu-Ming Huang
- Department of Neuroscience, Institute of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang Province, China
| | - Xue-Wei Liu
- Institute of Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang Province, China
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Pivovarova O, Höhn A, Grune T, Pfeiffer AFH, Rudovich N. Insulin-degrading enzyme: new therapeutic target for diabetes and Alzheimer's disease? Ann Med 2016; 48:614-624. [PMID: 27320287 DOI: 10.1080/07853890.2016.1197416] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Insulin-degrading enzyme (IDE) is a major enzyme responsible for insulin degradation. In addition to insulin, IDE degrades many targets including glucagon, atrial natriuretic peptide, and beta-amyloid peptide, regulates proteasomal degradation and other cell functions. IDE represents a pathophysiological link between type 2 diabetes (T2DM) and late onset Alzheimer's disease (AD). Potent and selective modulators of IDE activity are potential drugs for therapies of both diseases. Acute treatment with a novel IDE inhibitor was recently tested in a mouse study as a therapeutic approach for the treatment of T2DM. In contrast, effective IDE activators can be used for the AD treatment. However, because of the pleiotropic IDE action, the sustained treatment with systemic IDE modulators should be carefully tested in animal studies. Development of substrate-selective IDE modulators could overcome possible adverse effects of IDE modulators associated with multiplicity of IDE targets. KEY MESSAGES Insulin-degrading enzyme (IDE) represents a pathophysiological link between type 2 diabetes (T2DM) and Alzheimer's disease (AD). Selective modulators of IDE activity are potential drugs for both T2DM and AD treatment. Development of substrate-selective IDE modulators could overcome possible adverse effects of IDE modulators associated with multiplicity of IDE targets.
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Affiliation(s)
- Olga Pivovarova
- a Department of Clinical Nutrition , German Institute of Human Nutrition Potsdam-Rehbruecke , Nuthetal , Germany.,b Department of Endocrinology, Diabetes and Nutrition , Campus Benjamin Franklin, Charité University Medicine , Berlin , Germany.,c German Center for Diabetes Research (DZD) , München , Germany
| | - Annika Höhn
- c German Center for Diabetes Research (DZD) , München , Germany.,d Department of Molecular Toxicology , German Institute of Human Nutrition Potsdam-Rehbruecke , Nuthetal , Germany
| | - Tilman Grune
- c German Center for Diabetes Research (DZD) , München , Germany.,d Department of Molecular Toxicology , German Institute of Human Nutrition Potsdam-Rehbruecke , Nuthetal , Germany.,e German Center for Cardiovascular Research (DZHK) , Berlin , Germany
| | - Andreas F H Pfeiffer
- a Department of Clinical Nutrition , German Institute of Human Nutrition Potsdam-Rehbruecke , Nuthetal , Germany.,b Department of Endocrinology, Diabetes and Nutrition , Campus Benjamin Franklin, Charité University Medicine , Berlin , Germany.,c German Center for Diabetes Research (DZD) , München , Germany
| | - Natalia Rudovich
- a Department of Clinical Nutrition , German Institute of Human Nutrition Potsdam-Rehbruecke , Nuthetal , Germany.,b Department of Endocrinology, Diabetes and Nutrition , Campus Benjamin Franklin, Charité University Medicine , Berlin , Germany.,c German Center for Diabetes Research (DZD) , München , Germany
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Xu WL, Pedersen NL, Keller L, Kalpouzos G, Wang HX, Graff C, Winblad B, Bäckman L, Fratiglioni L. HHEX_23 AA Genotype Exacerbates Effect of Diabetes on Dementia and Alzheimer Disease: A Population-Based Longitudinal Study. PLoS Med 2015; 12:e1001853. [PMID: 26173052 PMCID: PMC4501827 DOI: 10.1371/journal.pmed.1001853] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 06/05/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Research has suggested that variations within the IDE/HHEX gene region may underlie the association of type 2 diabetes with Alzheimer disease (AD). We sought to explore whether IDE genes play a role in the association of diabetes with dementia, AD, and structural brain changes using data from two community-based cohorts of older adults and a subsample with structural MRI. METHODS AND FINDINGS The first cohort, which included dementia-free adults aged ≥75 y (n = 970) at baseline, was followed for 9 y to detect incident dementia (n = 358) and AD (n = 271) cases. The second cohort (for replication), which included 2,060 dementia-free participants aged ≥60 y at baseline, was followed for 6 y to identify incident dementia (n = 166) and AD (n = 121) cases. A subsample (n = 338) of dementia-free participants from the second cohort underwent MRI. HHEX_23 and IDE_9 were genotyped, and diabetes (here including type 2 diabetes and prediabetes) was assessed. In the first cohort, diabetes led to an adjusted hazard ratio (HR) of 1.73 (95% CI 1.19-2.32) and 1.66 (95% CI 1.06-2.40) for dementia and AD, respectively, among all participants. Compared to people carrying the GG genotype without diabetes, AA genotype carriers with diabetes had an adjusted HR of 5.54 (95% CI 2.40-7.18) and 4.81 (95% CI 1.88-8.50) for dementia and AD, respectively. There was a significant interaction between HHEX_23-AA and diabetes on dementia (HR 4.79, 95% CI 1.63-8.90, p = 0.013) and AD (HR 3.55, 95% CI 1.45-9.91, p = 0.025) compared to the GG genotype without diabetes. In the second cohort, the HRs were 1.68 (95% CI 1.04-2.99) and 1.64 (1.02-2.33) for the diabetes-AD and dementia-AD associations, respectively, and 4.06 (95% CI 1.06-7.58, p = 0.039) and 3.29 (95% CI 1.02-8.33, p = 0.044) for the interactions, respectively. MRI data showed that HHEX_23-AA carriers with diabetes had significant structural brain changes compared to HHEX_23-GG carriers without diabetes. No joint effects of IDE_9 and diabetes on dementia were shown. As a limitation, the sample sizes were small for certain subgroups. CONCLUSIONS A variant in the HHEX_23 gene interacts with diabetes to be associated with a substantially increased risk of dementia and AD, and with structural brain changes among dementia-free elderly people.
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Affiliation(s)
- Wei-Li Xu
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Department of Epidemiology and Biostatistics, School of Public Health, Tianjin Medical University, Tianjin, China
- * E-mail:
| | - Nancy L. Pedersen
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Lina Keller
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Alzheimer’s Disease Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Grégoria Kalpouzos
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Hui-Xin Wang
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Caroline Graff
- Alzheimer’s Disease Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
- Department of Geriatric Medicine, Karolinska University Hospital, Stockholm, Sweden
| | - Bengt Winblad
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Alzheimer’s Disease Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Lars Bäckman
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Laura Fratiglioni
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
- Stockholm Gerontology Research Center, Stockholm, Sweden
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