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Gu Y, Jiang F, Yuan X, Yu F, Liang Y, Xiao C, Yang S, Zhang M, Ou M, Xu Y, Yu C, Jia J, Li J, Liu G, Lu Y. A novel automated multi-cycle magnetic solid-phase extraction coupled to LC-MS/MS to study the disorders of six functional B vitamins in patients with gastroenterology and hyperhomocysteinemia. J Pharm Biomed Anal 2024; 241:115989. [PMID: 38271858 DOI: 10.1016/j.jpba.2024.115989] [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: 11/28/2023] [Revised: 01/11/2024] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
B vitamins are essential for human life and their disorders can cause a variety of diseases. Solid-phase extraction (SPE) coupled to LC-MS/MS is a preferred technique for determining multiple B vitamins, however, their complexity in real biological matrices makes it hard to achieve satisfactory recovery and accuracy when simultaneous detection. In this study, a novel automated multi-cycle magnetic SPE (MSPE) coupled to the LC-MS/MS method was established using a mixed-mode anion exchange magnetic adsorbent for the simultaneous extraction of six functional B vitamins, including methylmalonic acid, riboflavin, pantothenic acid, 4-pyridoxic acid, folic acid, and 5-methyltetrahydrofolate. After three consecutive MSPE cycles, the recoveries of all analytes were between 51.5% and 89.6%. The method exhibited excellent sensitivity and linearity, with a dynamic range of 200-fold (R > 0.99 for all analytes), exceptional accuracy (ranging between 95.4% and 105.6%) and precision (with RSDs ≤ 6.2%) without significant matrix effects or interferences. Compared to manual SPE method, the automated multi-cycle MSPE method has better feasibility and greater vitamin coverage. It shows a high correlation with the manual method for the detection of 5-methyltetrahydrofolate and folate (R > 0.99). A study of patients from the gastroenterology department showed that those undergoing surgery and those with malignancies may be at risk of folate deficiency. In addition, patients with hyperhomocystinemia had higher levels of methylmalonic acid and lower levels of 5-methyltetrahydrofolate, which correlated with homocysteine levels (R = 0.404 and -0.311, respectively) and showed dose-response relationships. This method is highly automated and cost-effective, with minimal systematic error, making it suitable for the analysis of clinical samples.
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Affiliation(s)
- Yuting Gu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Fengli Jiang
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Xiangmei Yuan
- Department of Laboratory Medicine, Wusong Branch, Zhongshan Hospital, Fudan University, Shanghai 200940, PR China
| | - Fan Yu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Yan Liang
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Can Xiao
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Shuangshuang Yang
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Meiwei Zhang
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Meixian Ou
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Yang Xu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Chen Yu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Jingying Jia
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China
| | - Jie Li
- Central Laboratory, the Second Affiliated Hospital of Henan University of Science and Technology, Luoyang 471000, PR China.
| | - Gangyi Liu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China.
| | - Youli Lu
- Central Laboratory, Shanghai Xuhui Central Hospital/Zhongshan-Xuhui Hospital, Fudan University, Shanghai 200031, PR China; Shanghai Engineering Research Center of Phase I Clinical Research & Quality Consistency Evaluation for Drugs, Shanghai 200031, PR China; Institute of Clinical Mass Spectrometry, Shanghai Academy of Experimental Medicine, Shanghai 200031, PR China.
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Videla LA, Valenzuela R, Zúñiga-Hernández J, Del Campo A. Relevant Aspects of Combined Protocols for Prevention of N(M)AFLD and Other Non-Communicable Diseases. Mol Nutr Food Res 2024; 68:e2400062. [PMID: 38506156 DOI: 10.1002/mnfr.202400062] [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: 01/23/2024] [Revised: 02/22/2024] [Indexed: 03/21/2024]
Abstract
Obesity is a global health issue characterized by the excessive fat accumulation, leading to an increased risk of chronic noncommunicable diseases (NCDs), including metabolic dysfunction-associated fatty liver disease (MAFLD), which can progress from simple steatosis to steatohepatitis, fibrosis, cirrhosis, and hepatocellular carcinoma. Currently, there are no approved pharmacological protocols for prevention/treatment of MAFLD, and due the complexity lying beneath these mechanisms, monotherapies are unlikely to be efficacious. This review article analyzes the possibility that NCDs can be prevented or attenuated by the combination of bioactive substances, as they could promote higher response rates, maximum reaction results, additive or synergistic effects due to compounds having similar or different mechanisms of action and/or refraining possible side effects, related to the use of lower doses and exposures times than monotherapies. Accordingly, prevention of mouse MAFLD is observed with the combination of the omega-3 docosahexaenoic acid with the antioxidant hydroxytyrosol, whereas attenuation of mild cognitive impairment is attained by folic acid plus cobalamin in elderly patients. The existence of several drawbacks underlying published monotherapies or combined trials, opens space for adequate and stricter experimental and clinical tryouts to achieve meaningful outcomes with human applicability.
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Affiliation(s)
- Luis A Videla
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, Santiago, 8380453, Chile
| | - Rodrigo Valenzuela
- Department of Nutrition, Faculty of Medicine, University of Chile, Santiago, 8380453, Chile
| | - Jessica Zúñiga-Hernández
- Biomedical Sciences Department, Faculty of Health Sciences, University of Talca, Talca, 3465548, Chile
| | - Andrea Del Campo
- Cellular Physiology and Bioenergetic Laboratory, School of Chemistry and Pharmacy, Faculty of Chemistry and Pharmacy, Pontifical Catholic University of Chile, Santiago, 7820436, Chile
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Savic-Hartwig M, Kerlikowsky F, van de Flierdt E, Hahn A, Schuchardt JP. A micronutrient supplement modulates homocysteine levels regardless of vitamin B biostatus in elderly subjects. INT J VITAM NUTR RES 2024; 94:120-132. [PMID: 36715360 DOI: 10.1024/0300-9831/a000777] [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: 01/31/2023]
Abstract
Elevated homocysteine (Hcy) levels (≥15 μmol/L) in the elderly are frequently associated with a higher risk of cardiovascular disease and cognitive decline. Several studies have already shown an Hcy-lowering effect of B vitamin supplementation in cohorts deficient in these nutrients. The aim of this randomized, double-blinded 12-week intervention study was to investigate whether Hcy levels in healthy elderly subjects (75.4±4.5 years, n=133) could be lowered with a micronutrient supplement (i.e., 400 μg folic acid, 100 μg cobalamin). Difference in mean initial Hcy levels between intervention (17.6±7.1 μmol/L, n=65) and placebo group (18.9±6.1 μmol/L, n=68) was not significant. The prevalence of cobalamin and folate deficiency in the total study population was low: 27% had serum-cobalamin levels ≤150 pmol/L, 12% holo-transcobalamin (Holo-TC) levels ≤50 pmol/L, 13% low cobalamin status using the aggregated cobalamin marker 4cB12 and 10% red blood cell (RBC) folate ≤570 nmol/L. Nevertheless, the treated subjects still showed improved cobalamin and folate biostatus (serum cobalamin Δt12-t0: 63±48 pmol/L; Holo-TC Δt12-t0: 17±19 pmol/L; RBC folate Δt12-t0: 326±253 nmol/L) and Hcy levels (Δt12-t0: -3.6±5.7 μmol/L). The effects were statistically significant compared to the placebo group with p=0.005 (serum cobalamin), p=0.021 (Holo-TC), p=0.014 (RBC-folate) and p<0.001 (Hcy). The Hcy-lowering effect was dependent on the initial Hcy levels (p<0.001). Our findings suggest that elevated Hcy levels in elderly subjects can be lowered regardless of the initial cobalamin and folate biostatus.
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Affiliation(s)
- Marija Savic-Hartwig
- Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
| | - Felix Kerlikowsky
- Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
| | - Edda van de Flierdt
- Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
| | - Andreas Hahn
- Institute of Food Science and Human Nutrition, Leibniz University Hannover, Germany
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Reis da Silva T. Can supplementing vitamin B12 improve mental health outcomes?: a literature review. Br J Community Nurs 2024; 29:137-146. [PMID: 38421889 DOI: 10.12968/bjcn.2024.29.3.137] [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: 03/02/2024]
Abstract
AIM This study reviews research into the effects of the supplementation of B12 in the prevention and recovery of mental illness, and the potentiation of psychotropic medication. METHODOLOGY This literature review follows a systematic approach to searching databases CINAHL, EMBASE, Medline, and PsycINFO where 287 non-duplicated articles results were received. Appropriate articles were identified through title and abstract screening and inclusion and exclusion criteria were applied. Five articles were chosen to address the research question following critical appraisal. Thematic analysis was then conducted. FINDINGS This review identified five randomised controlled trials into the supplementation of various doses of B12 in conjunction with folic acid and B6. The supplement was measured against post-stroke depression prevention, the reduction of symptoms of depression in woman with cardiovascular disease, the effect on negative symptoms in schizophrenia, the reduction and prevention of depression in older adults, and the potentiation of psychotropic interventions. The papers reviewed showed inconclusive results, but evidence to support sub-groups and specific high-risk groups. Strong evidence showed supplementation of B12, folic acid and B6 has high rates of preventing post-stroke depression. CONCLUSION The findings show that this area of research is still to be developed. The effects of B12 supplementation with other B vitamins on mental health have shown to be inconclusive. There is a case for its use to be considered within certain patient groups to aid recovery of mental health or in some high-risk patient groups. Recommendations are made for further research into high-risk groups of people that may have symptoms or symptoms that could be improved through the supplementation of B12.
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Affiliation(s)
- Tiago Reis da Silva
- Lecturer in Nursing Education Academic Education Pathways (AEP), Department of Adult Nursing, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College London
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Zandifar A, Mousavi S, Schmidt NB, Badrfam R, Seif E, Qorbani M, Mehrabani Natanzi M. Efficacy of vitamins B1 and B6 as an adjunctive therapy to lithium in bipolar-I disorder: A double-blind, randomized, placebo-controlled, clinical trial. J Affect Disord 2024; 345:103-111. [PMID: 37866735 DOI: 10.1016/j.jad.2023.10.121] [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: 02/12/2023] [Revised: 09/08/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
BACKGROUND The use of adjunctive therapy for bipolar disorder is increasingly considered to increase the efficacy of standard treatments. In this randomized clinical trial, we evaluated the effect of vitamins B1 and B6 in separate treatment arms on mood symptoms, cognitive status, and sleep quality in hospitalized patients with bipolar disorder in manic episodes. METHOD In addition to receiving standard lithium treatment, participants (N = 66) were randomized to one of three conditions: 100 mg of vitamin B1, 40 mg of vitamin B6, or placebo. Outcomes were assessed one and 8 weeks of daily treatment, including the Young Mania Rating Scale (YMRS), Pittsburgh Sleep Quality Scale (PSQI), and Mini-Mental State Examination (MMSE). This study was performed between December 2020 and September 2021 based on the registration code number IRCT20200307046712N1. RESULTS Vitamin B6 had a significant effect (P value < 0.025 as significant) on mood improvement compared to placebo (F (1, 27.42) = 30.25, P < 0.001, r = 0.72), but vitamin B1 had no significant effect on mood improvement compared to Placebo (F (1/35.68) = 4.76, P = 0.036, r = 0.34). The contrasts between groups on PSQI showed a significant effect (P value < 0.025 as significant) of vitamin B6 over placebo for sleep status improvement (F (1/32.91) = 16.24, P < 0.001, r = 0.57) and also a significant effect of vitamin B1 over placebo (F (1/41.21) = 13.32, P < 0.001, r = 0.49). CONCLUSIONS The use of vitamin B6 as an adjunctive therapy to lithium can be associated with the improvement of mood symptoms in patients with bipolar disorder in the midst of a manic episode.
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Affiliation(s)
- Atefeh Zandifar
- Department of Psychiatry, Imam Hossein Hospital, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran; Social Determinants of Health Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Shaghayegh Mousavi
- Research Committee, Alborz University of Medical Sciences, Karaj, Alborz, Iran
| | | | - Rahim Badrfam
- Department of Psychiatry, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.
| | - Ehsan Seif
- Research Committee, Alborz University of Medical Sciences, Karaj, Alborz, Iran
| | - Mostafa Qorbani
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Chronic Diseases Research Center, Endocrinology and Metabolism Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahboobeh Mehrabani Natanzi
- Evidence-BASED Phytotherapy and Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran
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Kalecký K, Bottiglieri T. Targeted metabolomic analysis in Parkinson's disease brain frontal cortex and putamen with relation to cognitive impairment. NPJ Parkinsons Dis 2023; 9:84. [PMID: 37270646 DOI: 10.1038/s41531-023-00531-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 05/22/2023] [Indexed: 06/05/2023] Open
Abstract
We performed liquid chromatography tandem mass spectrometry analysis with the targeted metabolomic kit Biocrates MxP Quant 500, in human brain cortex (Brodmann area 9) and putamen, to reveal metabolic changes characteristic of Parkinson's disease (PD) and PD-related cognitive decline. This case-control study involved 101 subjects (33 PD without dementia, 32 PD with dementia (cortex only), 36 controls). We found changes associated with PD, cognitive status, levodopa levels, and disease progression. The affected pathways include neurotransmitters, bile acids, homocysteine metabolism, amino acids, TCA cycle, polyamines, β-alanine metabolism, fatty acids, acylcarnitines, ceramides, phosphatidylcholines, and several microbiome-derived metabolites. Previously reported levodopa-related homocysteine accumulation in cortex still best explains the dementia status in PD, which can be modified by dietary supplementation. Further investigation is needed to reveal the exact mechanisms behind this pathological change.
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Affiliation(s)
- Karel Kalecký
- Institute of Biomedical Studies, Baylor University, Waco, TX, 76712, USA.
- Center of Metabolomics, Institute of Metabolic Disease, Baylor Scott & White Research Institute, Dallas, TX, 75204, USA.
| | - Teodoro Bottiglieri
- Center of Metabolomics, Institute of Metabolic Disease, Baylor Scott & White Research Institute, Dallas, TX, 75204, USA
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Xu G, Xu S, Gong W, Dong S, Yu H. Low Trend for VZV-Associated Disease Patients to Visit Neurologists. J Multidiscip Healthc 2023; 16:1379-1392. [PMID: 37215749 PMCID: PMC10199679 DOI: 10.2147/jmdh.s412398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/10/2023] [Indexed: 05/24/2023] Open
Abstract
Background Herpes zoster (HZ) is a skin disease that can also cause virus-infectious peripheral neuropathies. Despite this, there is limited information on patient preferences for seeking medical attention for HZ and zoster-associated pain (ZAP). Our study aimed to evaluate how frequently patients with ZAP choose to visit neurologists for their symptoms. Methods This study conducted a retrospective review of electronic health records in three general hospitals from January 2017 to June 2022. Using association rule mining, the study analyzed referral behaviors. Results We identified 33,633 patients with 111,488 outpatient visits over 5.5 years. The study found that the majority of patients (74.77-91.22%) visited dermatologists during their first outpatient visit, while only a small percentage (0.86-1.47%) preferred to consult a neurologist. The proportion of patients referred to a specialist during their medical visit varied significantly between different specialties within the same hospital (p <0.05) and even within the same specialty (p<0.05). There was a weak association (Lift:1.00-1.17) of referral behaviors between dermatology and neurology. Across the three hospitals, the average number of visits to a neurologist for ZAP was 1.42-2.49, with an average electronic health record duration of 11-15 days per patient. After consulting with a neurologist, some patients were referred to other specialists. Conclusion It was observed that patients with HZ and ZAP tended to visit a variety of specialists, with only a small number seeking the assistance of neurologists. However, from the perspective of neuroprotection, it is the duty of neurologists to provide more means.
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Affiliation(s)
- Gang Xu
- Department of Rehabilitation Medicine, Affiliated Tenth People’s Hospital of Tongji University, Shanghai Tenth People’s Hospital, Shanghai, 20072, People’s Republic of China
- Department of Rehabilitation Medicine, Tongji University School of Medicine, Shanghai, 200092, People’s Republic of China
| | - Site Xu
- Division of Information and Statistics, Affiliated Ruijin Hospital of Shanghai Jiaotong University School of Medicine, Shanghai, People’s Republic of China
| | - Weiwei Gong
- Department of Rehabilitation Medicine, Tongji University School of Medicine, Shanghai, 200092, People’s Republic of China
- Department of Rehabilitation Medicine, Shanghai First Rehabilitation Hospital, Shanghai, 200090, People’s Republic of China
| | - Shihong Dong
- Department of Rehabilitation Medicine, Tongji University School of Medicine, Shanghai, 200092, People’s Republic of China
| | - Hecheng Yu
- Department of Rehabilitation Medicine, Affiliated Tenth People’s Hospital of Tongji University, Shanghai Tenth People’s Hospital, Shanghai, 20072, People’s Republic of China
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Alruwaili M, Basri R, AlRuwaili R, Albarrak AM, Ali NH. Neurological Implications of Vitamin B12 Deficiency in Diet: A Systematic Review and Meta-Analysis. Healthcare (Basel) 2023; 11:healthcare11070958. [PMID: 37046885 PMCID: PMC10094050 DOI: 10.3390/healthcare11070958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/11/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Background: Vitamin B12 is one of the most important B-Vitamins that the human body needs on a daily basis, the lack of which can precipitate several neurological issues. Objectives: This systematic aimed to investigate the neurological implications of Vitamin B12 deficiency and the effects when B12 levels were corrected in susceptible individuals. Methods: The databases PubMed-MEDLINE, Web of Science, Cochrane, and Scopus were all searched using pertinent keywords, reference searches, and citation searches. The terms used to access the database were “Cognition”, “Dietary patterns”, “Neurology”, “Nutritional profile”, and “Vitamin B12”. Results: Vitamin B12 was shown to noticeably improve cognition and other neurological parameters in the short term in older adults and the short-to-medium term in children; however, there was no perceived increase/improvement when the Vitamin was administered in the longer term, either alone or in conjunction with other similar nutritional interventions. Conclusion: Vitamin B12’s role in the improvement of neurological functions over a long-term period remains somewhat inconclusive to date, as the majority of our selected control trials did not display much correlation between the two factors. However, Vitamin B12 did improve cognition levels in both children and older adults over a short course of administration.
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Affiliation(s)
- Mubarak Alruwaili
- Department of Internal Medicine, College of Medicine, Jouf University, Sakaka 72345, Saudi Arabia
- Correspondence: (M.A.); (R.B.)
| | - Rehana Basri
- Department of Internal Medicine, College of Medicine, Jouf University, Sakaka 72345, Saudi Arabia
- Correspondence: (M.A.); (R.B.)
| | - Raed AlRuwaili
- Department of Internal Medicine, College of Medicine, Jouf University, Sakaka 72345, Saudi Arabia
| | - Anas Mohammad Albarrak
- Department of Internal Medicine, College of Medicine, Prince Sattam Bin Abdulaziz University, Alkharj 11942, Saudi Arabia
| | - Naif H. Ali
- Department of Internal Medicine, Medical College, Najran University, Najran 55461, Saudi Arabia
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Chang B, Wang Z, Xu T, Chen J, Zhang Y, Huang Y, Sun D. Effectiveness of vitamin-B supplements on cognition in older adults: A meta-analysis. Geriatr Nurs 2023; 51:143-149. [PMID: 36940509 DOI: 10.1016/j.gerinurse.2023.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/22/2023]
Abstract
OBJECTIVES We aimed to investigate the efficacy of B-vitamin and folic acid supplementation in slowing down cognitive function decline among older adults. METHODS We searched databases for trials comparing B-vitamin and folate supplementation versus placebo in older adults identified with or without impaired cognition. RESULTS 23 articles were eligible and included in this meta-analysis. The mean difference (MD) in homocysteine levels was significant between the compared groups (MD:-4.52; 95%CI:-5.41 to 3.63, P < 0.001). However, the difference in the Mini-Mental State Examination (MMSE) was non-significant between the compared groups with or without cognitive impairment (MD:0.19; 95%CI: -0.148 to 0.531, P = 0.27), and (MD:0.04; 95%CI:-0.1 to 0.18, P = 0.59), respectively. The difference in Clinical Dementia Rating-sum of box (CDR-SOB) scores was non-significant (MD:-0.16; 95%CI:-0.49 to 0.18; P = 0.36). CONCLUSIONS B-vitamin and folate supplementations significantly reduced homocysteine levels. However, it failed to provide significant benefits over placebo in preventing or slowing the decline in cognitive function.
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Affiliation(s)
- Binbin Chang
- Department of Geriatrics, The General Hospital of Western Theater Command, Sichuan 610083, China
| | - Zhang Wang
- Department of Geriatrics, The General Hospital of Western Theater Command, Sichuan 610083, China
| | - Tingyuan Xu
- Department of Geriatrics, The General Hospital of Western Theater Command, Sichuan 610083, China
| | - Jieyu Chen
- Department of Geriatrics, The General Hospital of Western Theater Command, Sichuan 610083, China
| | - Yong Zhang
- Department of Geriatrics, The General Hospital of Western Theater Command, Sichuan 610083, China
| | - Yan Huang
- Department of Critical Care Medicine, The 942 Hospital of the PLA Joint Logistic Support Force, Ningxia 750000, China
| | - Diwu Sun
- The Second Outpatient Department,The General Hospital of Western Theater Command, Sichuan 610083, China.
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The Correlation between Helicobacter pylori Immunoglobulin G Seropositivity and Plasma Homocysteine Levels in Adults. Mediators Inflamm 2023; 2023:7590549. [PMID: 36714243 PMCID: PMC9883089 DOI: 10.1155/2023/7590549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/13/2022] [Accepted: 11/25/2022] [Indexed: 01/21/2023] Open
Abstract
Objectives Helicobacter pylori (H. pylori) immunoglobulin G (IgG) seropositivity is prevalent, but its correlation with homocysteine (Hcy), a biomarker of vascular risk events, is unclear. This study is aimed at exploring the correlation of H. pylori IgG seropositivity and plasma Hcy levels in adults. Methods Data was obtained from the National Health and Nutrition Examination Survey (NHANES) cycle 1999-2000. Hcy was measured by the Abbott homocysteine assay, and H. pylori IgG was measured by enzyme-linked immunosorbent assays. The weighted multiple logistic regression analyses with adjustments for potential confounders were conducted. Subgroup analyses stratified by gender, age, and race were performed. Results A total of 4029 subjects aged 20-85 years were included. Population prevalence of H. pylori IgG seropositivity was 44.7% in the overall population with higher prevalence found in those with older age, Mexican Americans, lower education, and lower household income. Levels of plasma Hcy were not elevated in those with H. pylori IgG seropositivity versus seronegativity (β -0.120 (-0.438, 0.199) P = 0.462). This difference was not significant after stratifying by gender and age. However, in the subgroup analyses stratified by race, a negative correlation between H. pylori seropositivity and plasma Hcy levels was observed in Mexican Americans (β -0.802 (-1.253, -0.352) P < 0.001). Conclusions H. pylori IgG seropositivity was not associated with plasma Hcy levels in the general population, but there may be a negative correlation in Mexican Americans. These findings provide new insights to advance the research of the link between plasma Hcy levels and stomach health.
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Cheng N, Bell L, Lamport DJ, Williams CM. Dietary Flavonoids and Human Cognition: A Meta-Analysis. Mol Nutr Food Res 2022; 66:e2100976. [PMID: 35333451 PMCID: PMC9787524 DOI: 10.1002/mnfr.202100976] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/09/2022] [Indexed: 12/30/2022]
Abstract
Improving cognition is important in all age groups, from performance in school examinations to prevention of cognitive decline in later life. Dietary polyphenols, in particular flavonoids, have been examined for their benefits to cognitive outcomes. This meta-analysis evaluates the effects of dietary flavonoids on cognition across the lifespan. In January 2020 databases were searched for randomized controlled trials investigating flavonoid effects on human cognition. Eighty studies, comprising 5519 participants, were included in the final meta-analysis. The global analysis indicates dietary flavonoids induced significant benefit to cognitive performance (g = 0.148, p < 0.001), with subgroup analyses revealing that cocoa (g = 0.224, p = 0.036), ginkgo (g = 0.187, p ≤ 0.001), and berries (g = 0.149, p = 0.009) yielded the most notable improvements. Significant benefits were observed from chronic studies, in middle-aged and older adults, and with low and medium doses. The domains of long-term memory, processing speed, and mood showed sensitivity to flavonoid intervention. This meta-analysis provides evidence for the positive effects of flavonoids on cognition and highlights several moderating factors. Flavonoid-based dietary interventions therefore potentially offer a highly accessible, safe, and cost-effective treatment to help tackle the burden of cognitive decline.
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Affiliation(s)
- Nancy Cheng
- School of Psychology and Clinical Language SciencesUniversity of Reading, ReadingUK
| | - Lynne Bell
- School of Psychology and Clinical Language SciencesUniversity of Reading, ReadingUK
| | - Daniel J. Lamport
- School of Psychology and Clinical Language SciencesUniversity of Reading, ReadingUK
| | - Claire M. Williams
- School of Psychology and Clinical Language SciencesUniversity of Reading, ReadingUK
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Cunnane SC, Swerdlow RH, Inzitari M, Olaso-Gonzalez G, Viña J. Multimodal strategy to rescue the brain in mild cognitive impairment: Ketogenic oral nutrition supplementation with B vitamins and aerobic exercise. Eur J Clin Invest 2022; 52:e13806. [PMID: 35488743 PMCID: PMC9541319 DOI: 10.1111/eci.13806] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/08/2022] [Accepted: 04/19/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Stephen C Cunnane
- Research Center on Aging and Department of Medicine, Université de Sherbrooke, Sherbrooke, Quebec, Canada
| | - Russell H Swerdlow
- University of Kansas Alzheimer's Disease Center, KUMC Neurodegenerative Disorders Program, University of Kansas School of Medicine, Lawrence, Kansas, USA
| | - Marco Inzitari
- REFiT Barcelona Research Group, Parc Sanitari Pere Virgili and Vall d'Hebrón Institute of Research, Barcelona, Spain.,Department of Health Sciences, Universitat Oberta de Catalonia, Barcelona, Spain
| | - Gloria Olaso-Gonzalez
- Department of Physiology, Faculty of Medicine, Universitat de València, Valencia, Spain
| | - José Viña
- Department of Physiology, Faculty of Medicine, Universitat de València, Valencia, Spain
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13
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Puga AM, Ruperto M, Samaniego-Vaesken MDL, Montero-Bravo A, Partearroyo T, Varela-Moreiras G. Effects of Supplementation with Folic Acid and Its Combinations with Other Nutrients on Cognitive Impairment and Alzheimer's Disease: A Narrative Review. Nutrients 2021; 13:2966. [PMID: 34578844 PMCID: PMC8470370 DOI: 10.3390/nu13092966] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/04/2021] [Accepted: 08/20/2021] [Indexed: 01/24/2023] Open
Abstract
Cognitive impairment and Alzheimer's Disease, among other cognitive dysfunctions, has been recognized as a major public health problem. Folic acid is a well-known essential nutrient whose deficiency has been linked to neurocognitive dysfunctions, owing to hyperhomocysteinemia, an independent risk factor for cardio- and cerebrovascular diseases, including cognitive impairment, Alzheimer's Disease, and vascular dementia. However, to date, there is certain controversy about the efficacy of vitamin supplementation in patients with these pathologies. Therefore, we have reviewed the available dietary intervention studies based on folic acid, either alone or in combination with different vitamins or nutrients into the progression of Alzheimer's Disease and Cognitive impairment, highlighting the cognition and biochemical markers employed for the evaluation of the disease progression. Undeniably, the compiled information supports the potential benefits of vitamin supplementation in these pathologies, especially relevant to the aging process and quality of life, although more research is urgently needed to confirm these positive findings.
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Affiliation(s)
- Ana M. Puga
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Mar Ruperto
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Mª de Lourdes Samaniego-Vaesken
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Ana Montero-Bravo
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Teresa Partearroyo
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
| | - Gregorio Varela-Moreiras
- Departamento de Ciencias Farmacéuticas y de la Salud, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain; (A.M.P.); (M.R.); (M.d.L.S.-V.); (A.M.-B.); (T.P.)
- Grupo USP-CEU de Excelencia “Nutrición para la vida (Nutrition for Life)”, ref: E02/0720, Alcorcón, 28925 Madrid, Spain
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