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Anwar MJ, Alenezi SK, Alhowail AH. Molecular insights into the pathogenic impact of vitamin D deficiency in neurological disorders. Biomed Pharmacother 2023; 162:114718. [PMID: 37084561 DOI: 10.1016/j.biopha.2023.114718] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/23/2023] Open
Abstract
Neurological disorders are the major cause of disability, leading to a decrease in quality of life by impairing cognitive, sensorimotor, and motor functioning. Several factors have been proposed in the pathogenesis of neurobehavioral changes, including nutritional, environmental, and genetic predisposition. Vitamin D (VD) is an environmental and nutritional factor that is widely distributed in the central nervous system's subcortical grey matter, neurons of the substantia nigra, hippocampus, thalamus, and hypothalamus. It is implicated in the regulation of several brain functions by preserving neuronal structures. It is a hormone rather than a nutritional vitamin that exerts a regulatory role in the pathophysiology of several neurological disorders, including Alzheimer's disease, Parkinson's disease, epilepsy, and multiple sclerosis. A growing body of epidemiological evidence suggests that VD is critical in neuronal development and shows neuroprotective effects by influencing the production and release of neurotrophins, antioxidants, immunomodulatory, regulation of intracellular calcium balance, and direct effect on the growth and differentiation of nerve cells. This review provides up-to-date and comprehensive information on vitamin D deficiency, risk factors, and clinical and preclinical evidence on its relationship with neurological disorders. Furthermore, this review provides mechanistic insight into the implications of vitamin D and its deficiency on the pathogenesis of neurological disorders. Thus, an understanding of the crucial role of vitamin D in the neurobiology of neurodegenerative disorders can assist in the better management of vitamin D-deficient individuals.
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Affiliation(s)
- Md Jamir Anwar
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia
| | - Sattam Khulaif Alenezi
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia.
| | - Ahmad Hamad Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Qassim, Buraydah 51452, Saudi Arabia
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2
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den Hoedt S, Dorst-Lagerwerf KY, de Vries HE, Rozemuller AJ, Scheltens P, Walter J, Sijbrands EJ, Martinez-Martinez P, Verhoeven AJ, Teunissen CE, Mulder MT. Sphingolipids in Cerebrospinal Fluid and Plasma Lipoproteins of APOE4 Homozygotes and Non-APOE4 Carriers with Mild Cognitive Impairment versus Subjective Cognitive Decline. J Alzheimers Dis Rep 2023; 7:339-354. [DOI: 10.3233/adr220072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 02/24/2023] [Indexed: 03/18/2023] Open
Abstract
Background: Alzheimer’s disease (AD) patients display alterations in cerebrospinal fluid (CSF) and plasma sphingolipids. The APOE4 genotype increases the risk of developing AD. Objective: To test the hypothesis that the APOE4 genotype affects common sphingolipids in CSF and in plasma of patients with early stages of AD. Methods: Patients homozygous for APOE4 and non-APOE4 carriers with mild cognitive impairment (MCI; n = 20 versus 20) were compared to patients with subjective cognitive decline (SCD; n = 18 versus 20). Sphingolipids in CSF and plasma lipoproteins were determined by liquid-chromatography-tandem mass spectrometry. Aβ42 levels in CSF were determined by immunoassay. Results: APOE4 homozygotes displayed lower levels of sphingomyelin (SM; p = 0.042), SM(d18:1/18:0) (p = 0.026), and Aβ 42 (p < 0.001) in CSF than non-APOE4 carriers. CSF-Aβ 42 correlated with Cer(d18:1/18:0), SM(d18:1/18:0), and SM(d18:1/18:1) levels in APOE4 homozygotes (r > 0.49; p < 0.032) and with Cer(d18:1/24:1) in non-APOE4 carriers (r = 0.50; p = 0.025). CSF-Aβ 42 correlated positively with Cer(d18:1/24:0) in MCI (p = 0.028), but negatively in SCD patients (p = 0.019). Levels of Cer(d18:1/22:0) and long-chain SMs were inversely correlated with Mini-Mental State Examination score among MCI patients, independent of APOE4 genotype (r< –0.47; p < 0.039). Nevertheless, age and sex are stronger determinants of individual sphingolipid levels in CSF than either the APOE genotype or the cognitive state. In HDL, ratios of Cer(d18:1/18:0) and Cer(d18:1/22:0) to cholesterol were higher in APOE4 homozygotes than in non-APOE4 carriers (p = 0.048 and 0.047, respectively). Conclusion: The APOE4 genotype affects sphingolipid profiles of CSF and plasma lipoproteins already at early stages of AD. ApoE4 may contribute to the early development of AD through modulation of sphingolipid metabolism.
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Affiliation(s)
- Sandra den Hoedt
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | | | - Helga E. de Vries
- Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, The Netherlands
| | - Annemieke J.M. Rozemuller
- Department of Pathology, Amsterdam Neuroscience, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, The Netherlands
| | - Philip Scheltens
- Department of Clinical Chemistry, The Alzheimer Center Amsterdam, and Neurochemistry Laboratory, Amsterdam Neuroscience, Amsterdam University Medical Center, VrijeUniversiteit Amsterdam, The Netherlands
| | - Jochen Walter
- Department of Neurology, University of Bonn, Bonn, Germany
| | - Eric J.G. Sijbrands
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Pilar Martinez-Martinez
- Department of Neuroscience, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Adrie J.M. Verhoeven
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Charlotte E. Teunissen
- Department of Clinical Chemistry, The Alzheimer Center Amsterdam, and Neurochemistry Laboratory, Amsterdam Neuroscience, Amsterdam University Medical Center, VrijeUniversiteit Amsterdam, The Netherlands
| | - Monique T. Mulder
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
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3
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Zorkina Y, Abramova O, Ushakova V, Andreyuk D, Andriushchenko N, Pavlov K, Savilov V, Soloveva K, Kurmishev M, Syunyakov T, Karpenko O, Andryushchenko A, Gurina O, Kostyuk G, Morozova A. Inflammatory biomarkers and lipid metabolism parameters in women with mild cognitive impairment and dementia. Women Health 2023; 63:285-295. [PMID: 36882933 DOI: 10.1080/03630242.2023.2185750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
The detection of specific markers of dementia and mild cognitive decline (MCI) could be the key to disease prevention and forehanded treatment. Female gender is one of the major risk factor for dementia. The aim of our study was to compare serum concentration of some factors related to lipid metabolism and the immune system in patients with MCI and dementia. The study was performed on women >65 years old: controls (n = 75), diagnosed with dementia (n = 73) and MCI (n = 142). Patients were evaluated using Mini-Mental State Examination, Clock Drawing Test and Montreal Cognitive Assessment scales in the period 2020-2021. The level of Apo A1 and HDL was significantly decreased in patients with dementia; the level of Apo A1 was also decreased in MCI. EGF, eotaxin-1, GRO-α, and IP-10 were elevated in patients with dementia compared to the controls. IL-8, MIP-1β, sCD40L, and TNF-α levels were decreased in MCI patients and increased in patients with dementia compared to the control. Serum VEGF levels were decreased in MCI and dementia patients in comparison with the control. We hypothesize that no single marker can indicate a neurodegenerative process. Future research should focus on identifying markers to determine possible diagnostic combinations that can reliably predict neurodegeneration.
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Affiliation(s)
- Yana Zorkina
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia.,Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Olga Abramova
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia.,Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Valeria Ushakova
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia.,Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Denis Andreyuk
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Nika Andriushchenko
- Department of Biology, Shenzhen MSU-BIT University, Shenzhen, Guangdong, China
| | - Konstantin Pavlov
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Victor Savilov
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Kristina Soloveva
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Marat Kurmishev
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Timur Syunyakov
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Olga Karpenko
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Alisa Andryushchenko
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Olga Gurina
- Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
| | - Georgiy Kostyuk
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia
| | - Anna Morozova
- Research Centre for Neuropsychiatry, Mental-Health Clinic No. 1 named after N.A. Alekseev, Moscow, Russia.,Department of Basic and Applied Neurobiology, V. Serbsky Federal Medical Research Centre of Psychiatry and Narcology, Moscow, Russia
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Zhao Y, Zhang Y, Meng S, Chen B, Dong X, Guo X, Guo F, Zhang R, Cui H, Li S. Effects of S-Adenosylmethionine on Cognition in Animals and Humans: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Alzheimers Dis 2023; 94:S267-S287. [PMID: 36970898 PMCID: PMC10473070 DOI: 10.3233/jad-221076] [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] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND There is increasing evidence that supplementation of S-adenosylmethionine (SAM) can improve cognitive function in animals and humans, although the outcomes are not always inconsistent. OBJECTIVE We conducted a systematic review and meta-analysis to evaluate the correlation between SAM supplementation and improved cognitive function. METHODS We searched studies in the PubMed, Cochrane Library, Embase, Web of Science, and Clinical Trials databases from January 1, 2002 to January 1, 2022. Risk of bias was assessed using the Cochrane risk of bias 2.0 (human studies) and the Systematic Review Center for Laboratory Animal Experimentation risk of bias (animal studies) tools; and evidence quality was evaluated using the Grading of Recommendations Assessment, Development, and Evaluation. STATA software was employed to perform meta-analysis, and the random-effects models was used to evaluate the standardized mean difference with 95% confidence intervals. RESULTS Out of the 2,375 studies screened, 30 studies met the inclusion criteria. Meta-analyses of animal (p = 0.213) and human (p = 0.047) studies showed that there were no significant differences between the SAM supplementation and control groups. The results of the subgroup analyses showed that the animals aged ≤8 weeks (p = 0.027) and the intervention duration >8 weeks (p = 0.009) were significantly different compared to the controls. Additionally, the Morris water maze test (p = 0.005) used to assess the cognitive level of the animals revealed that SAM could enhance spatial learning and memory in animals. CONCLUSION SAM supplementation showed no significant improvement in cognition. Therefore, further studies are needed to assess the effectiveness of SAM supplementation.
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Affiliation(s)
- Yan Zhao
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Yizhou Zhang
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
| | - Sijia Meng
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Bingyu Chen
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
| | - Xinyi Dong
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Xiaojing Guo
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Fangzhen Guo
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
| | - Runjiao Zhang
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
| | - Huixian Cui
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
| | - Sha Li
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
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5
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Dong R, Denier-Fields DN, Lu Q, Suridjan I, Kollmorgen G, Wild N, Betthauser TJ, Carlsson CM, Asthana S, Johnson SC, Zetterberg H, Blennow K, Engelman CD. Principal components from untargeted cerebrospinal fluid metabolomics associated with Alzheimer's disease biomarkers. Neurobiol Aging 2022; 117:12-23. [PMID: 35640460 PMCID: PMC9737218 DOI: 10.1016/j.neurobiolaging.2022.04.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 01/20/2022] [Accepted: 04/12/2022] [Indexed: 01/13/2023]
Abstract
Studying the correlation between cerebrospinal fluid (CSF) metabolites and the Alzheimer's Disease (AD) biomarkers may offer a window to the alterations of the brain metabolome and unveil potential biological mechanisms underlying AD. In this analysis, 308 CSF metabolites from 338 individuals of Wisconsin Registry for Alzheimer's Prevention and Wisconsin Alzheimer's Disease Research Center were included in a principal component analysis (PCA). The resulted principal components (PCs) were tested for association with CSF total tau (t-tau), phosphorylated tau (p-tau), amyloid β 42 (Aβ42), and Aβ42/40 ratio using linear regression models. Significant PCs were further tested with other CSF NeuroToolKit (NTK) and imaging biomarkers. Using a Bonferroni corrected p < 0.05, 5 PCs were significantly associated with CSF p-tau and t-tau and 3 PCs were significantly associated with CSF Aβ42. Pathway analysis suggested that these PCS were enriched in 6 pathways, including metabolism of caffeine and nicotinate and nicotinamide. This study provides evidence that CSF metabolites are associated with AD pathology through core AD biomarkers and other NTK markers and suggests potential pathways to follow up in future studies.
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Affiliation(s)
- Ruocheng Dong
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Diandra N Denier-Fields
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Department Nutrition Science, University of Wisconsin-Madison, Madison, WI, USA
| | - Qiongshi Lu
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | | | | | | | - Tobey James Betthauser
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA
| | - Cynthia M Carlsson
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA; Geriatric Research Education and Clinical Center, Wm. S. Middleton Memorial VA Hospital, Madison, WI, USA
| | - Sanjay Asthana
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA; Geriatric Research Education and Clinical Center, Wm. S. Middleton Memorial VA Hospital, Madison, WI, USA
| | - Sterling C Johnson
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA; Geriatric Research Education and Clinical Center, Wm. S. Middleton Memorial VA Hospital, Madison, WI, USA; Wisconsin Alzheimer's Institute, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA
| | - Henrik Zetterberg
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden; UK Dementia Research Institute at UCL, London, UK; Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK
| | - Kaj Blennow
- Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at University of Gothenburg, Mölndal, Sweden; Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden
| | - Corinne D Engelman
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; Wisconsin Alzheimer's Disease Research Center, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA; Wisconsin Alzheimer's Institute, University of Wisconsin-Madison, School of Medicine and Public Health, Madison, WI, USA.
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6
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Zhao Y, Dong X, Chen B, Zhang Y, Meng S, Guo F, Guo X, Zhu J, Wang H, Cui H, Li S. Blood levels of circulating methionine components in Alzheimer’s disease and mild cognitive impairment: A systematic review and meta-analysis. Front Aging Neurosci 2022; 14:934070. [PMID: 35936764 PMCID: PMC9354989 DOI: 10.3389/fnagi.2022.934070] [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: 05/02/2022] [Accepted: 06/24/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundCirculating methionine components have been reported to be associated with Alzheimer’s disease (AD) and mild cognitive impairment (MCI), although outcomes are not always consistent.Materials and methodsDatabase searching was conducted using PubMed, Embase, Cochrane Library, and Web of Science from inception to 26 December 2021. In this study, two reviewers independently identified eligible articles and extracted the data. We used Joanna Briggs Institute (JBI) Critical Appraisal tools to assess the overall quality of the included studies. STATA software was employed to perform meta-analysis evaluating the standardized mean difference (SMD) with its 95% confidence intervals (CIs) using random-effects models. Evidence quality was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) criteria.ResultsTotally, 30 observational studies were eligible for inclusion. Compared with cognitively normal controls, patients with AD had increased homocysteine (Hcy) levels in the blood [standardized mean difference (SMD) = 0.59, 95% confidence interval [CI]: 0.36–0.82, P = 0.000], plasma (SMD = 0.39, 95% CI: 0.23–0.55, P = 0.000), and serum (SMD = 1.56, 95% CI: 0.59–2.95, P = 0.002). Patients with MCI were not significantly different from controls (SMD = 0.26, 95% CI: –0.07–0.58, P = 0.127). Patients with AD or MCI did not significantly differ from controls of blood vitamin B12 levels, AD (SMD = –0.05, 95% CI: –0.19–0.08, P = 0.440), or MCI (SMD = 0.01, 95% CI: –0.16–0.17, P = 0.94). Some cohort studies have suggested that higher Hcy, methionine, and S-adenosylmethionine levels may accelerate cognitive decline in patients with MCI or AD, and vitamin B12 deficiency is a risk factor for the disease; however, the results of other studies were inconsistent. According to the GRADE system, all these outcomes scored very low to low quality, and no high-quality evidence was found.ConclusionOnly Hcy levels in the plasma and serum were found to be inversely related to the risk of AD. However, due to the low quality of supporting these results, high-quality studies are needed to verify these findings.Systematic Review Registrationhttp://www.crd.york.ac.uk/PROSPERO/, identifier CRD42022308961.
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Affiliation(s)
- Yan Zhao
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Xinyi Dong
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Bingyu Chen
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
| | - Yizhou Zhang
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
| | - Sijia Meng
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Fangzhen Guo
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
| | - Xiaojing Guo
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Jialei Zhu
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Haoyue Wang
- School of Nursing, Hebei Medical University, Shijiazhuang, China
| | - Huixian Cui
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
- Huixian Cui,
| | - Sha Li
- Department of Anatomy, Hebei Medical University, Shijiazhuang, China
- Neuroscience Research Center, Hebei Medical University, Shijiazhuang, China
- Hebei Key Laboratory of Neurodegenerative Disease Mechanism, Shijiazhuang, China
- The Key Laboratory of Neural and Vascular Biology of Ministry of Education, Hebei Medical University, Shijiazhuang, China
- *Correspondence: Sha Li,
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7
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Fu X, Li H, Chen X, Cai J, Yao T, Song L, Cen M, Wu J. Associations between urinary caffeine and caffeine metabolites and cognitive function in older adults. Nutr Neurosci 2022; 26:594-604. [PMID: 35715983 DOI: 10.1080/1028415x.2022.2071809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND The effects of caffeine on cognitive impairment have not been conclusively determined. This study aimed to objectively assess the correlation between the urinary caffeine and caffeine metabolites and cognitive decline in older adults. METHODS Data on urinary caffeine and caffeine metabolites and the cognitive performance of participants aged 60 years and older were extracted from the National Health and Nutrition Examination Surveys 2011-2014. Binary logistic regression and restricted cubic splines (RCS) analyses were used to evaluate the association between urinary caffeine and caffeine metabolites and cognitive performance. RESULTS Eight hundred twenty-seven individuals were enrolled in this cross-sectional study. We observed that 1-methylxanthine, 3-methylxanthine, 7-methylxanthine, 1,3-dimethylxanthine, 1,7-dimethylxanthine, and 3,7-dimethylxanthine levels were significantly and inversely associated with cognitive decline. The RCS results suggested an approximately linear dose-response relationship between the aforementioned metabolites and cognitive performance. Moreover, the effects of urinary caffeine and caffeine metabolites on cognitive function assessed using the AFT were more evident in men. CONCLUSIONS Our study suggested that urinary caffeine and caffeine metabolite levels were associated with a reduced risk of cognitive impairment in a linear manner, especially in men.
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Affiliation(s)
- Xihang Fu
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Huiru Li
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xinzhen Chen
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jinliang Cai
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Ting Yao
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Lingling Song
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Manqiu Cen
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Jing Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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8
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Blood-Based Biomarkers for Alzheimer's Disease Diagnosis and Progression: An Overview. Cells 2022; 11:cells11081367. [PMID: 35456047 PMCID: PMC9044750 DOI: 10.3390/cells11081367] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 01/10/2023] Open
Abstract
Alzheimer’s Disease (AD) is a progressive neurodegenerative disease characterized by amyloid-β (Aβ) plaque deposition and neurofibrillary tangle accumulation in the brain. Although several studies have been conducted to unravel the complex and interconnected pathophysiology of AD, clinical trial failure rates have been high, and no disease-modifying therapies are presently available. Fluid biomarker discovery for AD is a rapidly expanding field of research aimed at anticipating disease diagnosis and following disease progression over time. Currently, Aβ1–42, phosphorylated tau, and total tau levels in the cerebrospinal fluid are the best-studied fluid biomarkers for AD, but the need for novel, cheap, less-invasive, easily detectable, and more-accessible markers has recently led to the search for new blood-based molecules. However, despite considerable research activity, a comprehensive and up-to-date overview of the main blood-based biomarker candidates is still lacking. In this narrative review, we discuss the role of proteins, lipids, metabolites, oxidative-stress-related molecules, and cytokines as possible disease biomarkers. Furthermore, we highlight the potential of the emerging miRNAs and long non-coding RNAs (lncRNAs) as diagnostic tools, and we briefly present the role of vitamins and gut-microbiome-related molecules as novel candidates for AD detection and monitoring, thus offering new insights into the diagnosis and progression of this devastating disease.
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9
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Zhang M, Zhu Y, Zhu Z. Research advances in the influence of lipid metabolism on cognitive impairment. IBRAIN 2022; 10:83-92. [PMID: 38682015 PMCID: PMC11045198 DOI: 10.1002/ibra.12018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 05/01/2024]
Abstract
Cognitive impairment (CI) is a mental disorder related to cognition and understanding, which is mainly categorized into mild CI and senile dementia. This disease is associated with multiple factors, such as chronic brain injury, aging, chronic systemic disease, mental state, and psychological factors. However, the pathological mechanism of CI remains unclear; it is usually associated with such underlying diseases as diabetes and hyperlipidemia. It has been demonstrated that abundant lipid metabolism indexes in the human body are closely related to CI, including total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, apolipoprotein, and so forth. As a crucial risk factor for CI, hyperlipidemia is of great significance in the occurrence and development of CI. However, the specific correlation between dyslipidemia and CI is still not fully elucidated. Besides, the efficacy of lipid-lowering drugs in the prophylaxis and treatment of CI has not been clarified. In this study, relevant advances in the influence of lipid metabolism disorders in CI will be reviewed, in an attempt to explore the effect of mediating blood lipid levels on the prophylaxis and treatment of CI, thus providing a reference for its clinical management.
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Affiliation(s)
- Min Zhang
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
- Suining Central HospitalSuiningSichuanChina
| | - Yu‐Hang Zhu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Zhao‐Qiong Zhu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
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10
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Narbutas J, Van Egroo M, Chylinski D, Bahri MA, Koshmanova E, Talwar P, Besson G, Muto V, Schmidt C, Luxen A, Balteau E, Phillips C, Maquet P, Salmon E, Bastin C, Vandewalle G, Collette F. Associations Between Cognitive Complaints, Memory Performance, Mood, and Amyloid-β Accumulation in Healthy Amyloid Negative Late-Midlife Individuals. J Alzheimers Dis 2021; 83:127-141. [PMID: 34275899 DOI: 10.3233/jad-210332] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Cognitive complaints are gaining more attention as they may represent an early marker of increased risk for AD in individuals without objective decline at standard neuropsychological examination. OBJECTIVE Our aim was to assess whether cognitive complaints in late middle-aged individuals not seeking medical help are related to objective cognitive outcomes known as early markers for AD risk, concomitant affective state, and amyloid-β (Aβ) burden. METHODS Eighty-seven community-based cognitively normal individuals aged 50-69 years underwent neuropsychological assessment for global cognition, using Preclinical Alzheimer's Cognitive Composite 5 (PACC5) score, and a more specific episodic memory measure. Affective state was based on self-assessment questionnaires for depression and anxiety. Aβ PET burden was assessed via [18F]Flutemetamol (N = 84) and [18F]Florbetapir (N = 3) uptake. Cognitive complaints were evaluated using Cognitive Difficulties Scale. RESULTS Higher cognitive complaints were significantly associated with lower episodic memory performance and worse affective state. Moreover, higher level of cognitive complaints was related to higher (but still sub-clinical) global Aβ accumulation (at uncorrected significance level). Importantly, all three aspects remained significant when taken together in the same statistical model, indicating that they explained distinct parts of variance. CONCLUSION In healthy Aβ negative late middle-aged individuals, a higher degree of cognitive complaints is associated with lower episodic memory efficiency, more anxiety and depression, as well as, potentially, with higher Aβ burden, suggesting that complaints might signal subtle decline. Future studies should untangle how cognitive complaints in healthy aging populations are related to longitudinal changes in objective cognition and AD biomarker correlates.
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Affiliation(s)
- Justinas Narbutas
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Psychology and Neuroscience of Cognition Research Unit, Faculty of Psychology and Educational Sciences, University of Liège, Liège, Belgium
| | - Maxime Van Egroo
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Daphne Chylinski
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Mohamed Ali Bahri
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Ekaterina Koshmanova
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Puneet Talwar
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Gabriel Besson
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Vincenzo Muto
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Christina Schmidt
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Psychology and Neuroscience of Cognition Research Unit, Faculty of Psychology and Educational Sciences, University of Liège, Liège, Belgium
| | - André Luxen
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Evelyne Balteau
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Christophe Phillips
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Pierre Maquet
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Department of Neurology, CHU Liège, Liège, Belgium
| | - Eric Salmon
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Psychology and Neuroscience of Cognition Research Unit, Faculty of Psychology and Educational Sciences, University of Liège, Liège, Belgium.,Department of Neurology, CHU Liège, Liège, Belgium
| | - Christine Bastin
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Psychology and Neuroscience of Cognition Research Unit, Faculty of Psychology and Educational Sciences, University of Liège, Liège, Belgium
| | - Gilles Vandewalle
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium
| | - Fabienne Collette
- GIGA-Institute, Cyclotron Research Centre/In Vivo Imaging, University of Liège, Liège, Belgium.,Psychology and Neuroscience of Cognition Research Unit, Faculty of Psychology and Educational Sciences, University of Liège, Liège, Belgium
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11
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Murdaca G, Banchero S, Tonacci A, Nencioni A, Monacelli F, Gangemi S. Vitamin D and Folate as Predictors of MMSE in Alzheimer's Disease: A Machine Learning Analysis. Diagnostics (Basel) 2021; 11:diagnostics11060940. [PMID: 34073931 PMCID: PMC8225187 DOI: 10.3390/diagnostics11060940] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 05/21/2021] [Accepted: 05/23/2021] [Indexed: 12/13/2022] Open
Abstract
Vitamin D (VD) and micronutrients, including folic acid, are able to modulate both the innate and the adaptive immune responses. Low VD and folic acid levels appear to promote cognitive decline as in Alzheimer’s disease (AD). A machine learning approach was applied to analyze the impact of various compounds, drawn from the blood of AD patients, including VD and folic acid levels, on the Mini-Mental State Exam (MMSE) in a cohort of 108 patients with AD. The first analysis was aimed at predicting the MMSE at recruitment, whereas a second investigation sought to predict the MMSE after a 4 year follow-up. The simultaneous presence of low levels of VD and folic acid allow to predict MMSE, suggestive of poorer cognitive function. Such results suggest that the low levels of VD and folic acid could be associated with more severe cases of cognitive impairment in AD. It could be hypothesized that simultaneous supplementation of VD and folic acid could slow down the progression of cerebral degeneration at least in a subset of AD individuals.
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Affiliation(s)
- Giuseppe Murdaca
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy; (G.M.); (S.B.); (A.N.); (F.M.)
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy
| | - Sara Banchero
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy; (G.M.); (S.B.); (A.N.); (F.M.)
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy
| | - Alessandro Tonacci
- Clinical Physiology Institute, National Research Council of Italy (IFC-CNR), 56124 Pisa, Italy
- Correspondence: ; Tel.: +39-050-3152175
| | - Alessio Nencioni
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy; (G.M.); (S.B.); (A.N.); (F.M.)
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy
| | - Fiammetta Monacelli
- Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy; (G.M.); (S.B.); (A.N.); (F.M.)
- Ospedale Policlinico San Martino IRCCS, 16132 Genoa, Italy
| | - Sebastiano Gangemi
- School and Operative Unit of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98125 Messina, Italy;
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12
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Janitschke D, Lauer AA, Bachmann CM, Grimm HS, Hartmann T, Grimm MOW. Methylxanthines and Neurodegenerative Diseases: An Update. Nutrients 2021; 13:nu13030803. [PMID: 33671099 PMCID: PMC8000915 DOI: 10.3390/nu13030803] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 12/15/2022] Open
Abstract
Methylxanthines (MTX) are purine derived xanthine derivatives. Whereas naturally occurring methylxanthines like caffeine, theophylline or theobromine are widely consumed in food, several synthetic but also non-synthetic methylxanthines are used as pharmaceuticals, in particular in treating airway constrictions. Besides the well-established bronchoprotective effects, methylxanthines are also known to have anti-inflammatory and anti-oxidative properties, mediate changes in lipid homeostasis and have neuroprotective effects. Known molecular mechanisms include adenosine receptor antagonism, phosphodiesterase inhibition, effects on the cholinergic system, wnt signaling, histone deacetylase activation and gene regulation. By affecting several pathways associated with neurodegenerative diseases via different pleiotropic mechanisms and due to its moderate side effects, intake of methylxanthines have been suggested to be an interesting approach in dealing with neurodegeneration. Especially in the past years, the impact of methylxanthines in neurodegenerative diseases has been extensively studied and several new aspects have been elucidated. In this review we summarize the findings of methylxanthines linked to Alzheimer´s disease, Parkinson's disease and Multiple Sclerosis since 2017, focusing on epidemiological and clinical studies and addressing the underlying molecular mechanisms in cell culture experiments and animal studies in order to assess the neuroprotective potential of methylxanthines in these diseases.
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Affiliation(s)
- Daniel Janitschke
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
| | - Anna A. Lauer
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
| | - Cornel M. Bachmann
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
| | - Heike S. Grimm
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
| | - Tobias Hartmann
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
- Deutsches Institut für DemenzPrävention (DIDP), Saarland University, 66421 Homburg/Saar, Germany
| | - Marcus O. W. Grimm
- Experimental Neurology, Saarland University, 66421 Homburg/Saar, Germany; (D.J.); (A.A.L.); (C.M.B.); (H.S.G.); (T.H.)
- Deutsches Institut für DemenzPrävention (DIDP), Saarland University, 66421 Homburg/Saar, Germany
- Correspondence:
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13
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de Leeuw FA, Tijms BM, Doorduijn AS, Hendriksen HMA, van de Rest O, de van der Schueren MAE, Visser M, van den Heuvel EGHM, van Wijk N, Bierau J, van Berckel BN, Scheltens P, Kester MI, van der Flier WM, Teunissen CE. LDL cholesterol and uridine levels in blood are potential nutritional biomarkers for clinical progression in Alzheimer's disease: The NUDAD project. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2020; 12:e12120. [PMID: 33392381 PMCID: PMC7772937 DOI: 10.1002/dad2.12120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 01/01/2023]
Abstract
INTRODUCTION We examined associations between nutritional biomarkers and clinical progression in individuals with subjective cognitive decline (SCD), mild cognitive impairment (MCI), and Alzheimer's disease (AD)-type dementia. METHODS We included 528 individuals (64 ± 8 years, 46% F, follow-up 2.1 ± 0.87 years) with SCD (n = 204), MCI (n = 130), and AD (n = 194). Baseline levels of cholesterol, triglycerides, glucose, homocysteine, folate, vitamin A, B12, E and uridine were measured in blood and S-adenosylmethionine and S-adenosylhomocysteine in cerebrospinal fluid. We determined associations between nutritional biomarkers and clinical progression using Cox proportional hazard models. RESULTS Twenty-two (11%) patients with SCD, 45 (35%) patients with MCI, and 100 (52%) patients with AD showed clinical progression. In SCD, higher levels of low-density lipoprotein (LDL) cholesterol were associated with progression (hazard ratio [HR] [95% confidence interval (CI)] 1.88 [1.04 to 3.41]). In AD, lower uridine levels were associated with progression (0.79 [0.63 to 0.99]). DISCUSSION Our findings suggest that LDL cholesterol and uridine play a-stage-dependent-role in the clinical progression of AD.
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Affiliation(s)
- Francisca A. de Leeuw
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Betty M. Tijms
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Astrid S. Doorduijn
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
- Department of Nutrition and Dietetics, Public Health Research InstituteVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Heleen M. A. Hendriksen
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Ondine van de Rest
- Division of Human Nutrition and HealthWageningen University and ResearchWageningenthe Netherlands
| | | | - Marjolein Visser
- Department of Health Sciences, Faculty of Science, Public Health Research InstituteVrije Universiteit AmsterdamAmsterdamthe Netherlands
| | | | | | - Jörgen Bierau
- Department of Clinical GeneticsMaastricht UMC+Maastrichtthe Netherlands
| | - Bart N. van Berckel
- Department of Radiology and Nuclear Medicine, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Philip Scheltens
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | | | - Wiesje M. van der Flier
- Alzheimer Center Amsterdam, Department of Neurology, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
- Department of Epidemiology and Biostatistics, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
| | - Charlotte E. Teunissen
- Neurochemistry Laboratory, Department of Clinical Chemistry, Amsterdam NeuroscienceVrije Universiteit Amsterdam, Amsterdam UMCAmsterdamthe Netherlands
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14
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Mielech A, Puścion-Jakubik A, Markiewicz-Żukowska R, Socha K. Vitamins in Alzheimer's Disease-Review of the Latest Reports. Nutrients 2020; 12:nu12113458. [PMID: 33187212 PMCID: PMC7696081 DOI: 10.3390/nu12113458] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 11/08/2020] [Accepted: 11/09/2020] [Indexed: 12/11/2022] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia, and the aging of the population means that the number of cases is successively increasing. The cause of the disease has not been established, but it is suggested that many factors affect it, including nutritional aspects. As part of the work, the PubMed database has been searched, beginning from 2005, for terms related to key nutritional aspects. A diet rich in antioxidant vitamins can improve the cognitive functions of patients. Thanks to an adequate intake of B vitamins, homocysteine levels are reduced, which indirectly protects against the development of the disease. A properly balanced diet, as well as the use of appropriate supplementation, can contribute to improving the clinical condition of patients with AD.
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15
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Koberskaya NN, Ostroumova TM. Near-moderate cognitive decline. NEUROLOGY, NEUROPSYCHIATRY, PSYCHOSOMATICS 2020. [DOI: 10.14412/2074-2711-2020-2-92-97] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- N. N. Koberskaya
- Department of Nervous System Diseases and Neurosurgery, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia;
Center for Information Technologies in Design, Russian Academy of Sciences;
Russian Research and Clinical Center of Gerontology, N.I. Pirogov Russian National Research Medical University, Ministry of Health of Russia
| | - T. M. Ostroumova
- Department of Nervous System Diseases and Neurosurgery, Institute of Clinical Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Ministry of Health of Russia;
Center for Information Technologies in Design, Russian Academy of Sciences
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