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Shi YM, Ou D, Li JT, Bao L, Liu XD, Zhang W, Ding H. Genetically Predicted Apolipoprotein E Levels with the Risk of Panvascular Diseases: A Mendelian Randomization Study. Cardiovasc Toxicol 2024; 24:385-395. [PMID: 38536640 DOI: 10.1007/s12012-024-09846-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 02/28/2024] [Indexed: 04/07/2024]
Abstract
The aim of this study was to comprehensively assess the causal relationship between the overall genetic effect of circulating ApoE levels and panvascular lesions using newer genome-wide association data and two-sample bidirectional Mendelian randomization (MR) analysis. Two-way MR using single-nucleotide polymorphisms of circulating ApoE as instrumental variables was performed using the highest-priority Genome-wide association study (GWAS) data, with factor-adjusted and data-corrected statistics, to estimate causal associations between circulating ApoE levels and 10 pan-vascular diseases in > 500,000 UK Biobank participants, > 400,000 participants of Finnish ancestry, and numerous participants in a consortium of predominantly European ancestry. Meta-analysis was conducted to assess positive results. After correcting for statistical results, elevated circulating ApoE levels were shown to have a significant protective effect against Cerebral ischemia (CI) [IVW odds ratio (OR) 0.888, 95% Confidence Interval (CI): 0.823-0.958, p = 2.3 × 10-3], Coronary heart disease [IVW OR 0.950,95% CI: 0.924-0.976, p = 2.0 × 10-4] had a significant protective effect and potentially suggestive protective causality against Angina pectoris [IVW odds ratio (OR) 0.961, 95%CI: 0.931-0.991, p = 1.1 × 10-2]. There was a potential causal effect for increased risk of Heart failure (HF) [IVW ratio (OR) 1.040, 95%CI: 1.006-1.060, p = 1.8 × 10-2]. (Bonferroni threshold p < 0.0026, PFDR < 0.05) Reverse MR analysis did not reveal significant evidence of a causal effect of PVD on changes in circulating ApoE levels. Meta-analysis increases reliability of results. Elevated circulating ApoE levels were particularly associated with an increased risk of heart failure. Elevated ApoE levels reduce the risk of cerebral ischemia, coronary heart disease, and angina pectoris, reflecting a protective effect. The possible pathophysiological role of circulating ApoE levels in the development of panvascular disease is emphasized.
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Affiliation(s)
- Yi-Ming Shi
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Dian Ou
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Jia-Ting Li
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Le Bao
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Xiao-Dan Liu
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Wei Zhang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China.
| | - Huang Ding
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine On Prevention andTreatmentof Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China.
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Mungmunpuntipantip R, Wiwanitkit V. Genetic polymorphisms in apolipoprotein E and atrial fibrillation. Rev Port Cardiol 2023; 42:401. [PMID: 36775061 DOI: 10.1016/j.repc.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 02/12/2023] Open
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Xue H, Fan L, Liu C. Associations of ApoE Polymorphisms with Postoperative Atrial Fibrillation and Cardiac Injury in Patients with Coronary Artery Bypass Graft Surgery. Int Heart J 2023; 64:1049-1053. [PMID: 38030292 DOI: 10.1536/ihj.23-245] [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] [Indexed: 12/01/2023]
Abstract
Genetic factors may be involved in postoperative atrial fibrillation (PoAF) development and cardiac injury. However, the associations of the apolipoprotein E (ApoE) gene polymorphisms with PoAF and cardiac injury after coronary artery bypass graft surgery (CABG) remain unclear.We recruited 150 patients with CABG, comprising 92 and 58 cases for the ApoE4 and ApoE3 groups, respectively, and analyzed PoAF incidence and the levels of cardiac biomarkers, including N-terminal prohormone of brain natriuretic peptide, cardiac troponin T (cTnT), and cardiac troponin I (cTnI). The linear regression model or logistic regression analysis was applied to investigate the associations of ApoE gene polymorphisms with PoAF and biomarkers for cardiac injury.A total of 58 (38.7%) patients with CABG developed PoAF, with 40 and 18 cases in the ApoE4 and ApoE3 groups (43.5% versus 31.0%, P < 0.05), respectively. Logistic regression analysis revealed that the ApoE4 allele was an independent risk factor for PoAF (OR = 3.340, P = 0.001), while the ApoE3 allele was a protective factor for the PoAF (OR = 0.841, P = 0.043). Patients carrying the ApoE4 allele had higher levels of cTnT and cTnI than those carrying the ApoE3 allele. ApoE3 was a protective factor for cardiac injury (β = -0.220, P = 0.001), whereas ApoE4 was a risk factor for cTnI (β = 0.335, P = 0.015).Our study reveals that the ApoE allele contributes to the occurrence of PoAF and severity of cardiac injury in an allele-dependent manner, with the ApoE4 allele increasing the risk and the ApoE3 allele reducing the risk.
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Affiliation(s)
- Hui Xue
- Department of Cardiovascular Medicine, First Hospital of Tsinghua University Hospital
| | - Lixin Fan
- Department of Cardiovascular Medicine, First Hospital of Tsinghua University Hospital
| | - Chen Liu
- Department of Cardiovascular Medicine, First Hospital of Tsinghua University Hospital
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Brain J, Tully PJ, Turnbull D, Tang E, Greene L, Beach S, Siervo M, Stephan BCM. Risk factors for dementia in the context of cardiovascular disease: A protocol of an overview of reviews. PLoS One 2022; 17:e0271611. [PMID: 35862400 PMCID: PMC9302739 DOI: 10.1371/journal.pone.0271611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 07/01/2022] [Indexed: 11/18/2022] Open
Abstract
Background
Dementia is a major public health priority. Although there is abundant evidence of an association between dementia and poor cardiovascular health, findings have been inconsistent and uncertain in identifying which factors increase dementia risk in those with cardiovascular disease. Indeed, multiple variables including sociodemographic, economic, health, lifestyle and education may indicate who is at higher vs. lower dementia risk and could be used in prediction modelling. Therefore, the aim of this review is to synthesise evidence on the key risk factors for dementia in those with a history of cardiovascular disease.
Methods
This is an overview of reviews protocol, registered on PROSPERO (CRD42021265363). Four electronic databases including MEDLINE, EMBASE, PsycINFO, and the Cochrane Database of Systematic Reviews will be searched. Studies will be included if they are systematic reviews and/or meta-analyses that have investigated the risk of incident dementia (all-cause and subtypes including Alzheimer’s disease and vascular dementia) in people with a history of coronary heart disease, heart failure, atrial fibrillation, hypertension, hyperlipidaemia, and vascular stiffness. Study selection will be completed by two independent researchers according to the eligibility criteria, and conflicts resolved by a third reviewer. References will be exported into Covidence for title and abstract sifting, full-text review, and data extraction. Methodological quality will be assessed using the AMSTAR-2 criteria and confidence of evidence will be assessed using the GRADE classification. This overview of reviews will follow PRISMA guidelines. If there is sufficient homogeneity in the data, the results will be pooled, and a meta-analysis conducted to determine the strength of association between each risk factor and incident all-cause dementia and its subtypes for each cardiovascular diagnoses separately.
Discussion
We will create a comprehensive summary of the key risk factors linking cardiovascular diseases to risk of incident dementia. This knowledge is essential for informing risk predictive model development as well as the development of risk reduction and prevention strategies.
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Affiliation(s)
- Jacob Brain
- Institute of Mental Health, School of Medicine, University of Nottingham, Innovation Park, Jubilee Campus, Nottingham, United Kingdom
- Freemasons Foundation Centre for Men’s Health, Discipline of Medicine, School of Psychology, The University of Adelaide, Adelaide, Australia
| | - Phillip J. Tully
- Faculty of Medicine and Health, School of Psychology, University of New England, Armidale, Australia
| | - Deborah Turnbull
- Freemasons Foundation Centre for Men’s Health, Discipline of Medicine, School of Psychology, The University of Adelaide, Adelaide, Australia
| | - Eugene Tang
- Population Health Sciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Leanne Greene
- Clinical Trials Unit, College of Medicine and Health, University of Exeter, St Luke’s Campus, Exeter, United Kingdom
- * E-mail:
| | - Sarah Beach
- University of Nottingham Libraries, University of Nottingham, King’s Meadow Campus, Nottingham, United Kingdom
| | - Mario Siervo
- Institute of Mental Health, School of Medicine, University of Nottingham, Innovation Park, Jubilee Campus, Nottingham, United Kingdom
| | - Blossom C. M. Stephan
- Institute of Mental Health, School of Medicine, University of Nottingham, Innovation Park, Jubilee Campus, Nottingham, United Kingdom
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