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Gbadamosi I, Yawson EO, Akesinro J, Adeleke O, Tokunbo O, Bamisi O, Ibrahim-Abdulkareem R, Awoniran P, Gbadamosi R, Lambe E, Atoyebi A, Bayo-Olugbami AA, Abayomi TA, Arogundade TT. Vitamin D attenuates monosodium glutamate-induced behavioural anomalies, metabolic dysregulation, cholinergic impairment, oxidative stress, and astrogliosis in rats. Neurotoxicology 2024; 103:297-309. [PMID: 38964510 DOI: 10.1016/j.neuro.2024.06.015] [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: 03/26/2024] [Revised: 06/16/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
BACKGROUND Monosodium glutamate (MSG) is a commonly used flavor enhancer that has raised concerns due to its potential adverse effects on various organs. This study explored the neuroprotective potential of Vitamin D, a beneficial micronutrient, in mitigating MSG-induced neurotoxicity. MATERIALS AND METHODS Adult male Wistar rats were categorized into five groups: control (2 ml/kg PBS orally for 30 days), MSG (40 mg/kg orally for 30 days), VIT-D (oral cholecalciferol; 500 IU/kg for 30 days), MSG+VIT-D (MSG for 30 days followed by VIT-D for another 30 days), and VIT-D/MSG (concurrent VIT-D and MSG for 30 days). The rats underwent neurobehavioral, histochemical, and biochemical analyses following the treatments. RESULTS MSG treatment caused a decline in both long and short-term memory, along with reduced exploratory and anxiogenic behavior, mitigated by vitamin D treatment. MSG exposure also induced impaired behavior, dyslipidemia, oxidative stress, lipid peroxidation, altered cholinergic transmission, and increased chromatolysis and neuroinflammation in the frontal cortex, hippocampus, and cerebellum. CONCLUSIONS VIT-D demonstrated a mitigating effect on MSG-induced adverse outcomes, highlighting its potential to attenuate neurodegenerative cascades. This investigation contributes to understanding MSG-associated neurotoxicity and suggests vitamin D as a valuable and potential intervention for neuroprotection.
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Affiliation(s)
- Ismail Gbadamosi
- Laboratory for Translational Research in Neuropsychiatric Disorders (TREND), BRAINCITY - Centre of Excellence for Neural Plasticity and Brain Disorders, Institute of Experimental Biology Marceli Nencki, Polish Academy of Sciences, Warsaw, Poland.
| | - Emmanuel Olusola Yawson
- Department of Human Anatomy, Neurobiology Division, Faculty of Basic Medical Sciences, Redeemers University, Ede, Nigeria
| | - Justice Akesinro
- Department of Human Anatomy, Neurobiology Division, Faculty of Basic Medical Sciences, Redeemers University, Ede, Nigeria
| | - Opeyemi Adeleke
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, Osun State University, Osogbo, Nigeria
| | - Olorunfemi Tokunbo
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, Osun State University, Osogbo, Nigeria
| | - Olawande Bamisi
- Department of Anatomy, Faculty of Basic Medical Sciences, Ekiti State University, Ado Ekiti, Nigeria
| | - Rukayat Ibrahim-Abdulkareem
- Department of Anatomy, Neurobiology Division, Faculty of Basic Medical Sciences, University of Ilorin, Nigeria
| | - Paul Awoniran
- Department of Human Anatomy, Neurobiology Division, Faculty of Basic Medical Sciences, Redeemers University, Ede, Nigeria
| | | | - Ezra Lambe
- Department of Anatomy, Faculty of Basic Medical Sciences, Adeleke University, Ede, Nigeria
| | - Aminat Atoyebi
- Department of Anatomy, Faculty of Basic Medical Sciences, Al-Hikmah University, Ilorin, Nigeria
| | | | - Taiwo Adekemi Abayomi
- Department of Anatomy, Faculty of Basic Medical Sciences, College of Health Sciences, Osun State University, Osogbo, Nigeria
| | - Tolulope Timothy Arogundade
- Department of Human Anatomy, Neurobiology Division, Faculty of Basic Medical Sciences, Redeemers University, Ede, Nigeria.
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Xiong J, Zhao C, Li J, Li Y. A systematic review and meta-analysis of the linkage between low vitamin D and the risk as well as the prognosis of stroke. Brain Behav 2024; 14:e3577. [PMID: 38873864 PMCID: PMC11177038 DOI: 10.1002/brb3.3577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 05/05/2024] [Accepted: 05/14/2024] [Indexed: 06/15/2024] Open
Abstract
OBJECTIVE The research intended to probe the connection between the risk of stroke and serum vitamin D levels. METHODS Three electronic databases (Cochrane Library, EMBASE, PubMed) were searched according to the subject terms from inception until July 29, 2022, and retrieved researches were screened on the basis of inclusion and exclusion criteria. Two investigators conducted the quality assessment and data extraction. Using Stata 16.0 software, a meta-analysis was conducted on the extracted data. FINDINGS In total, 27 studies with 45,302 participants were included. Among these studies, 20 focused on stroke risk, while 7 examined stroke prognosis. According to the meta-analysis findings, it was observed that a higher stroke risk is connected to reduced levels of serum vitamin D. This association was reflected in a combined relative risk (RR) of 1 .28 (95% confidence interval (CI): 1.15-1.42) and a worse prognosis after stroke (RR = 2.95, 95% CI: 1.90-4.60). Additional analysis indicated that no apparent relationship between a decrease in vitamin D and the probability of experiencing a hemorrhagic stroke was found. The RR found was 1.93 (95% CI: 0.95-3.95). On the other hand, it was observed that a reduction in serum vitamin D levels was linked to an elevated likelihood of developing an ischemic stroke. The RR identified was 1.72 (95% CI: 1.78-2.03). Moreover, a lower level of vitamin D in the bloodstream was associated with a more unfavorable prognosis for individuals who suffered from a stroke. The RR for this correlation was 2.95 (95% CI: 1.90-4.60). However, further research is required to confirm the above-mentioned findings. CONCLUSION In conclusion, lower concentration vitamin D was found to be related to an increased risk of stroke, which could mainly be reflected in ischemic stroke patients but not in patients with hemorrhagic stroke. A lower serum vitamin D level was correlative with the poor prognosis of stroke.
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Affiliation(s)
- Jianrong Xiong
- Department of Rehabilitation Medicine, Fourth Affiliated Hospital of Zhejiang University Medical College, Yiwu, Zhejiang, China
| | - Chenliang Zhao
- Intensive Care Medicine, Heyou Hospital, Foshan, Guangzhou, China
| | - Jinhui Li
- Department of Chinese Medicine & Rehabilitation Medicine, The Second Affiliated Hospital of Zhejiang University Medical College, Hangzhou, Zhejiang, China
| | - Yongxiang Li
- Department of Rehabilitation Medicine, Fourth Affiliated Hospital of Zhejiang University Medical College, Yiwu, Zhejiang, China
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Chien MC, Huang CY, Wang JH, Shih CL, Wu P. Effects of vitamin D in pregnancy on maternal and offspring health-related outcomes: An umbrella review of systematic review and meta-analyses. Nutr Diabetes 2024; 14:35. [PMID: 38816412 PMCID: PMC11139885 DOI: 10.1038/s41387-024-00296-0] [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: 11/22/2023] [Revised: 05/14/2024] [Accepted: 05/16/2024] [Indexed: 06/01/2024] Open
Abstract
BACKGROUND Vitamin D deficiency has been linked with several adverse maternal and fetal outcomes. OBJECTIVE To summarize systematic reviews and meta-analyses evaluating the effects of vitamin D deficiency and of vitamin D supplementation in pregnancy on maternal and offspring health-related outcomes. METHODS Prior to conducting this umbrella review, we registered the protocol in PROSPERO (CRD42022368003). We conducted searches in PubMed, Embase, and Cochrane Library for systematic reviews and meta-analyses on vitamin D in pregnancy, from database inception to October 2, 2023. All outcomes related to vitamin D in pregnancy obtained from the systematic reviews and meta-analyses were extracted. DATA EXTRACTION Two reviewers independently chose studies and collected information on health outcomes. The quality of the included articles' methodology was assessed using AMSTAR 2 (A Measurement Tool to Assess Systematic Reviews-2). RESULTS We identified 16 eligible systematic reviews and meta-analyses, which included 250,569 women. Our results demonstrated that vitamin D deficiency in pregnancy is associated with increased risk of preterm birth, small-for gestational age/low birth weight infants, recurrent miscarriage, bacterial vaginosis and gestational diabetes mellitus. Vitamin D supplementation in pregnancy increases birth weight, and reduces the risk of maternal pre-eclampsia, miscarriage, and vitamin D deficiency, fetal or neonatal mortality, as well as attention-deficit hyperactivity disorder, and autism spectrum disorder in childhood. In women with gestational diabetes mellitus, vitamin D supplementation in pregnancy can reduce the risk of maternal hyperbilirubinemia, polyhydramnios, macrosomia, fetal distress, and neonatal hospitalization. CONCLUSION Due to the association with adverse maternal and offspring health outcomes, we recommend the vitamin D status in pregnancy should be monitored, particularly in women at high risk of vitamin D deficiency. It is suggested that pregnant women take a dose of >400 IU/day of vitamin D supplementation during pregnancy to prevent certain adverse outcomes.
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Affiliation(s)
- Mei-Chun Chien
- Department of Rehabilitation, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi City, Taiwan
| | - Chueh-Yi Huang
- Department of Obstetrics and Gynecology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi City, Taiwan
| | - Jie-Huei Wang
- Department of Mathematics, National Chung Cheng University, Chia-Yi, Taiwan.
| | - Chia-Lung Shih
- Clinical Research Center, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi City, Taiwan.
| | - Pensee Wu
- School of Medicine, Keele University, Staffordshire, UK
- Academic Department of Obstetrics and Gynaecology, University Hospital of North Midlands, Stoke-on-Trent, UK
- Department of Obstetrics and Gynecology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Wang CX, Wang B, Sun JJ, Xiao CY, Ma H, Jia FY, Li HH. Circulating retinol and 25(OH)D contents and their association with symptoms in children with chronic tic disorders. Eur Child Adolesc Psychiatry 2024; 33:1017-1028. [PMID: 37166521 PMCID: PMC11032271 DOI: 10.1007/s00787-023-02226-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/04/2023] [Indexed: 05/12/2023]
Abstract
The present study measured serum levels of vitamin A (VA) and vitamin D (VD) in children with chronic tic disorders (CTD) and investigated their potential association with CTD and comorbidity of attention deficit hyperactivity disorder (ADHD) and the association of their co-insufficiencies or deficiencies with CTD symptoms. A total of 176 children (131 boys and 45 girls, median age of 9 years) with CTD were recruited as the CTD group. During the same period, 154 healthy children were selected as the healthy control (HC) cohort. Circulating retinol and 25-hydroxyvitamin D (25[OH]D) levels were measured for all participants using high-performance liquid chromatography (HPLC) and tandem mass spectrometry. The Yale Global Tic Severity Scale (YGTSS) was employed for the assessment of tic status and CTD impairment. The Swanson, Nolan, and Pelham Rating Scale (SNAP-IV) and the Children's Yale-Brown Obsessive-Compulsive Scale (CY-BOCS) were used to evaluate comorbidity symptoms. CTD pediatric participants exhibited markedly diminished circulating retinol and 25(OH)D levels compared to HCs. Moreover, VA and VD deficiencies and their co-insufficiencies/deficiencies were more prevalent in CTD participants than HCs. Circulating 25(OH)D levels were inversely proportional to the YGTSS motor tic scores. YGTSS scores in CTD children with only VA or VD insufficiency or deficiency or with VA and VD co-insufficiency/deficiency did not differ from those in CTD children with normal VA and VD. CTD children with comorbid ADHD displayed reduced circulating retinol and 25(OH)D concentrations and elevated prevalence of VD deficiency compared to CTD participants without comorbid ADHD. Lower serum retinol content was intricately linked to the presence of elevated CTD and comorbid ADHD. VA and VD deficiencies and their co-insufficiencies/deficiencies were markedly enhanced in CTD pediatric participants compared to HCs. Lower VA concentration was linked to the presence of enhanced CTD and comorbid ADHD. Therefore, children with CTD, especially with comorbid ADHD, may be at a higher risk of VA or VD deficiency, which may prompt the clinicians to consider whether blood tests for VA and VD in CTD children would be helpful for clinical care.
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Affiliation(s)
- Cheng-Xin Wang
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
- Department of Laboratory Medicine, The First Hospital of Jilin University, Changchun, 130021, China
| | - Bing Wang
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Jian-Jian Sun
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Chun-Ying Xiao
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Huan Ma
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Fei-Yong Jia
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Hong-Hua Li
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, 130021, Jilin, China.
- School of Public Health, Jilin University, Changchun, Jilin, China.
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Zheng Z, Chen M, Feng S, Zhao H, Qu T, Zhao X, Ruan Q, Li L, Guo J. VDR and deubiquitination control neuronal oxidative stress and microglial inflammation in Parkinson's disease. Cell Death Discov 2024; 10:150. [PMID: 38514643 PMCID: PMC10957901 DOI: 10.1038/s41420-024-01912-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 02/29/2024] [Accepted: 03/07/2024] [Indexed: 03/23/2024] Open
Abstract
Close correlation between vitamin D (VitD) deficiency and Parkinson's Disease (PD) risk, VitD as an adjuvant treatment promising to improve PD progression. However, VitD excessive intake could induce hypercalcemia and renal damage. Therefore, upregulation of vitD receptor (VDR) is considered a compensatory strategy to overcome VitD insufficiency and alleviate PD symptoms. In this study, we discovered that VDR played antioxidative roles in dopaminergic neurons by decreasing reactive oxygen species (ROS) and maintaining mitochondrial membrane potential. Further, we newly identified VDR downstream events in C. elegans, including glutathione S-transferase (gst) and forkhead box transcription factor class O (daf-16) mediated oxidative stress resistance. VDR upregulation also mitigated microglial activation through inhibition of NLRP3/caspase-1-mediated inflammation and membrane permeabilization. These findings highlight the multifaceted protective effects of VDR in both neurons and microglia against the development of PD. Importantly, we discovered a novel deubiquitinase DUB3, whose N-terminal catalytic domain interacted with the C-terminal ligand-binding domain of VDR to reduce VDR ubiquitination. Identification of DUB3 as an essential player in the deubiquitinating mechanism of VDR provides valuable insights into VDR regulation and its potential as a therapeutic target for PD.
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Affiliation(s)
- Zihui Zheng
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
| | - Miao Chen
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
| | - Shengliang Feng
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
| | - Huanhuan Zhao
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
| | - Tiange Qu
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
| | - Xudong Zhao
- Department of General Practice, Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Road, Xuzhou, 221002, Jiangsu, P. R. China
| | - Qinli Ruan
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China.
| | - Lei Li
- Department of General Practice, Affiliated Hospital of Xuzhou Medical University, 99 Huaihai West Road, Xuzhou, 221002, Jiangsu, P. R. China.
| | - Jun Guo
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P. R. China
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Li HH, Wang XF, Wang B, Jia FY. Vitamin D3 improves iminodipropionitrile-induced tic-like behavior in rats through regulation of GDNF/c-Ret signaling activity. Eur Child Adolesc Psychiatry 2024:10.1007/s00787-024-02376-z. [PMID: 38396228 DOI: 10.1007/s00787-024-02376-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/08/2024] [Indexed: 02/25/2024]
Abstract
Children with chronic tic disorders (CTD), including Tourette syndrome (TS), have significantly reduced serum 25-hydroxyvitamin D [25(OH)D]. While vitamin D3 supplementation (VDS) may reduce tic symptoms in these children, its mechanism is unclear. The study aim was to investigate the effects and mechanisms of vitamin D deficiency (VDD) and VDS on TS model behavior. Forty 5-week-old male Sprague-Dawley rats were randomly divided into (n = 10 each): control, TS model, TS model with VDD (TS + VDD), or TS model with VDS (TS + VDS; two intramuscular injections of 20,000 IU/200 g) groups. The VDD model was diet-induced (0 IU vitamin D/kg); the TS model was iminodipropionitrile (IDPN)-induced. All groups were tested for behavior, serum and striatal 25(OH)D and dopamine (DA), mRNA expressions of vitamin D receptor (VDR), glial cell line-derived neurotrophic factor (GDNF), protooncogene tyrosine-protein kinase receptor Ret (c-Ret), and DA D1 (DRD1) and D2 (DRD2) receptor genes in the striatum. TS + VDD had higher behavior activity scores throughout, and higher total behavior score at day 21 compared with TS model. In contrast, day 21 TS + VDS stereotyped behavior scores and total scores were lower than TS model. The serum 25(OH)D in TS + VDD was < 20 ng/mL, and lower than control. Striatal DA of TS was lower than control. Compared with TS model, striatal DA of TS + VDD was lower, while in TS + VDS it was higher than TS model. Furthermore, mRNA expression of VDR, GDNF, and c-Ret genes decreased in TS model, and GDNF expression decreased more in TS + VDD, while TS + VDS had higher GDNF and c-Ret expressions. VDD aggravates, and VDS ameliorates tic-like behavior in an IDPN-induced model. VDS may upregulate GDNF/c-Ret signaling activity through VDR, reversing the striatal DA decrease and alleviating tic-like behavior.
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Affiliation(s)
- Hong-Hua Li
- Department of Developmental and Behavioral Pediatrics, Children's Hospital, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
- School of Public Health, Jilin University, Changchun, Jilin Province, China
- The Child Health Clinical Research Center of Jilin Province, Changchun, China
| | - Xi-Fei Wang
- Department of Developmental and Behavioral Pediatrics, Children's Hospital, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
- The Child Health Clinical Research Center of Jilin Province, Changchun, China
| | - Bing Wang
- Department of Developmental and Behavioral Pediatrics, Children's Hospital, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
- The Child Health Clinical Research Center of Jilin Province, Changchun, China
| | - Fei-Yong Jia
- Department of Developmental and Behavioral Pediatrics, Children's Hospital, The First Hospital of Jilin University, Changchun, Jilin, 130021, China.
- The Child Health Clinical Research Center of Jilin Province, Changchun, China.
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Hatzimanolis A, Tosato S, Ruggeri M, Cristofalo D, Mantonakis L, Xenaki LA, Dimitrakopoulos S, Selakovic M, Foteli S, Kosteletos I, Vlachos I, Soldatos RF, Nianiakas N, Ralli I, Kollias K, Ntigrintaki AA, Stefanatou P, Murray RM, Vassos E, Stefanis NC. Diminished social motivation in early psychosis is associated with polygenic liability for low vitamin D. Transl Psychiatry 2024; 14:36. [PMID: 38238289 PMCID: PMC10796745 DOI: 10.1038/s41398-024-02750-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 01/04/2024] [Accepted: 01/08/2024] [Indexed: 01/22/2024] Open
Abstract
Insufficiency of vitamin D levels often occur in individuals with schizophrenia and first-episode psychosis (FEP). However, it is unknown whether this represents a biological predisposition, or it is essentially driven by illness-related alterations in lifestyle habits. Lower vitamin D has also been associated with adverse neurodevelopmental outcomes and predominant negative psychotic symptoms. This study aimed to investigate the contribution of polygenic risk score for circulating 25-hydroxyvitamin D concentration (PRS-vitD) to symptom presentation among individuals with FEP enrolled in the Athens First-Episode Psychosis Research Study (AthensFEP n = 205) and the Psychosis Incident Cohort Outcome Study (PICOS n = 123). The severity of psychopathology was evaluated using the Positive and Negative Syndrome Scale at baseline and follow-up assessments (AthensFEP: 4-weeks follow-up, PICOS: 1-year follow-up). Premorbid intelligence and adjustment domains were also examined as proxy measures of neurodevelopmental deviations. An inverse association between PRS-vitD and severity of negative symptoms, in particular lack of social motivation, was detected in the AthensFEP at baseline (adjusted R2 = 0.04, p < 0.001) and follow-up (adjusted R2 = 0.03, p < 0.01). The above observation was independently validated in PICOS at follow-up (adjusted R2 = 0.06, p < 0.01). No evidence emerged for a relationship between PRS-vitD and premorbid measures of intelligence and adjustment, likely not supporting an impact of lower PRS-vitD on developmental trajectories related to psychotic illness. These findings suggest that polygenic vulnerability to reduced vitamin D impairs motivation and social interaction in individuals with FEP, thereby interventions that encourage outdoor activities and social engagement in this patient group might attenuate enduring negative symptoms.
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Affiliation(s)
- Alex Hatzimanolis
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece.
- Neurobiology Research Institute, Theodore-Theohari Cozzika Foundation, Athens, Greece.
| | - Sarah Tosato
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Mirella Ruggeri
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Doriana Cristofalo
- Section of Psychiatry, Department of Neuroscience, Biomedicine and Movement Sciences, University of Verona, Verona, Italy
| | - Leonidas Mantonakis
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Lida-Alkisti Xenaki
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Stefanos Dimitrakopoulos
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Mirjana Selakovic
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Stefania Foteli
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Ioannis Kosteletos
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Ilias Vlachos
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Rigas-Filippos Soldatos
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Nikos Nianiakas
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Irene Ralli
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Konstantinos Kollias
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Angeliki-Aikaterini Ntigrintaki
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Pentagiotissa Stefanatou
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
| | - Robin M Murray
- Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- National Institute for Health Research, Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College, London, UK
| | - Evangelos Vassos
- National Institute for Health Research, Mental Health Biomedical Research Centre at South London and Maudsley NHS Foundation Trust and King's College, London, UK
- Department of Social, Genetic and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Nikos C Stefanis
- Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Eginition University Hospital, Athens, Greece
- Neurobiology Research Institute, Theodore-Theohari Cozzika Foundation, Athens, Greece
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Ng MG, Chan BJL, Koh RY, Ng KY, Chye SM. Prevention of Parkinson's Disease: From Risk Factors to Early Interventions. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:746-760. [PMID: 37326115 DOI: 10.2174/1871527322666230616092054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 05/15/2023] [Accepted: 05/19/2023] [Indexed: 06/17/2023]
Abstract
Parkinson's disease (PD) is a debilitating neurological disorder characterized by progressively worsening motor dysfunction. Currently, available therapies merely alleviate symptoms, and there are no cures. Consequently, some researchers have now shifted their attention to identifying the modifiable risk factors of PD, with the intention of possibly implementing early interventions to prevent the development of PD. Four primary risk factors for PD are discussed including environmental factors (pesticides and heavy metals), lifestyle (physical activity and dietary intake), drug abuse, and individual comorbidities. Additionally, clinical biomarkers, neuroimaging, biochemical biomarkers, and genetic biomarkers could also help to detect prodromal PD. This review compiled available evidence that illustrates the relationship between modifiable risk factors, biomarkers, and PD. In summary, we raise the distinct possibility of preventing PD via early interventions of the modifiable risk factors and early diagnosis.
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Affiliation(s)
- Ming Guan Ng
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Brendan Jun Lam Chan
- School of Health Science, International Medical University, 57000 Kuala Lumpur, Malaysia
| | - Rhun Yian Koh
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
| | - Khuen Yen Ng
- School of Pharmacy, Monash University, 47500 Selangor, Malaysia
| | - Soi Moi Chye
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, Kuala Lumpur, Malaysia
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Máčová L, Kancheva R, Bičíková M. Molecular Regulation of the CNS by Vitamin D. Physiol Res 2023; 72:S339-S356. [PMID: 38116771 DOI: 10.33549/physiolres.935248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024] Open
Abstract
Vitamin D is a lipid-soluble vitamin that can be found in some foods. It is also produced endogenously (in the presence of ultraviolet light), transported through the blood to the targets organs and this is the reason to consider vitamin D as a hormone. It is known that vitamin D has genomic and non-genomic effects. This review is focused mainly on the vitamin D receptors, the importance of vitamin D as a neuromodulator, the role of vitamin D in the pathophysiology of devastating neurological disorders such as Alzheimer's disease, multiple sclerosis, amyotrophic lateral sclerosis, Parkinson's disease and the benefit of vitamin D and its derivates in alleviating these disorders.
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Affiliation(s)
- L Máčová
- Department of Steroids and Proteofactors, Institute of Endocrinology, Prague, Czech Republic
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10
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Sui X, Liu T, Zou Z, Zhang B. Appraising the role of circulating concentrations of micronutrients in attention deficit hyperactivity disorder: a Mendelian randomization study. Sci Rep 2023; 13:21850. [PMID: 38071357 PMCID: PMC10710398 DOI: 10.1038/s41598-023-49283-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 12/06/2023] [Indexed: 12/18/2023] Open
Abstract
Previous observational researches have discovered a connection between circulating concentrations of micronutrients and attention deficit hyperactivity disorder (ADHD). However, the results may be influenced by confounding factors and reverse causation. This study aims to explore the causal relationship between circulating concentrations of micronutrients and ADHD using Mendelian randomization (MR). In a two-sample MR context, we used summary data from the major European genome-wide association studies (GWAS) for these illnesses to assess the genetically anticipated effects of circulating concentrations of micronutrients on ADHD risk. In order to achieve this, we took single nucleotide polymorphisms (SNPs) from the GWAS that were highly related with concentrations of nine micronutrients. The corresponding data for ADHD were extracted from the Psychiatric Genomics Consortium. Inverse-variance weighted (IVW) method was used as the main MR analysis, and the reliability of the study's conclusions was assessed using sensitivity analyses. Our MR analyses showed that the copper level may be associated with a reduced risk of ADHD. However, the significance of the research results is weak. There were no clear relationships between other micronutrients and ADHD. Our sensitivity studies confirmed the findings of the primary IVW MR analyses. According to this study, there may be some association between copper level and ADHD, but the significance of the research results is weak, and it is recommended that copper level should be used as a long-term monitoring indicator for further research. The results provide a new idea for the further study of ADHD, and provide guidance for the prevention and treatment of ADHD.
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Affiliation(s)
- Xiaohui Sui
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Tingting Liu
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Zhiyun Zou
- Shandong University of Traditional Chinese Medicine, Jinan, 250014, Shandong, China
| | - Baoqing Zhang
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250011, Shandong, China.
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11
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Tahir H, Munir N, Iqbal SS, Bacha U, Amir S, Umar H, Riaz M, Tahir IM, Ali Shah SM, Shafiq A, Akram M. Maternal vitamin D status and attention deficit hyperactivity disorder (ADHD), an under diagnosed risk factor; A review. EUR J INFLAMM 2023. [DOI: 10.1177/1721727x231161013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Vitamin D is important to mediate several brain processes such as proliferation, apoptosis, and neurotransmission in early stages of life. Vitamin D deficiency during critical periods of development can lead to persistent brain alterations. Vitamin D homeostasis during pregnancy is affected by two factors which includes an increase in mother’s calcitriol levels and an increase in mother’s Vitamin D Binding protein concentrations. Attention deficient hyperactivity disorder (ADHD) is an outcome of a complicated interaction between genetic, environmental, and developmental traits, and genetic factors cover about 80% of the cases. The efficiency of the immune system can be altered by a deficiency of Vitamin D in maternal body and maternal stress during gestation such as perinatal depression. Studies have proved that during gestation if there is a deficiency of vitamin D in maternal body, it can influence the brain development of the fetus and can also alter the synthesis of the brain-derived neurotropic factor. The current manuscript has been compiled to elaborate different factors which are associated with ADHD particularly focusing on the relationship of vitamin D deficiency in mothers. References material was selected from NCBI (PUBMED), Science direct, Google scholar, Publons etc. Using the terms ADHD, Vitamin D and Maternal nutritional status. Although, controversial relationship was found between the deficiency of Vitamin D level in pregnant women and development of ADHD in children but more controlled trials are required for future direction as well as to rule out other associated causes.
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Affiliation(s)
- Hafsa Tahir
- Department of Nutrition Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Naveed Munir
- Department of Biomedical Lab Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Syeda Saira Iqbal
- Knowledge Research and Support Services, University of Management and Technology, Lahore, Pakistan
| | - Umar Bacha
- Department of Nutrition Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Saira Amir
- Department of Nutrition Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Hassaan Umar
- School of Pharmaceutical Sciences, Universiti Sains, Malaysia
| | - Muhammad Riaz
- Department of Allied Health Sciences, Sargodha Medical College, University of Sargodha, Sargodha, Pakistan
| | - Imtiaz Mahmood Tahir
- College of Allied Health Professional, Directorate of Medical Sciences, Government College University‐Faisalabad, Faisalabad, Pakistan
| | - Syed Muhammad Ali Shah
- Department of Eastern Medicine, Government College University Faisalabad, Faisalabad, Pakistan
| | - Almina Shafiq
- Department of Biomedical Lab Sciences, School of Health Sciences, University of Management and Technology, Lahore, Pakistan
| | - Muhammad Akram
- Department of Eastern Medicine, Government College University Faisalabad, Faisalabad, Pakistan
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Pavlou IA, Spandidos DA, Zoumpourlis V, Adamaki M. Nutrient insufficiencies and deficiencies involved in the pathogenesis of bruxism (Review). Exp Ther Med 2023; 26:563. [PMID: 37954114 PMCID: PMC10632959 DOI: 10.3892/etm.2023.12262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 10/02/2023] [Indexed: 11/14/2023] Open
Abstract
Stress has been well-documented to have a significant role in the etiopathogenesis of bruxism. Activation of the hypothalamic-pituitary-adrenal axis (HPA) and subsequent release of corticosteroids lead to increased muscle activity. Neurological studies have demonstrated that chronic stress exposure induces neurodegeneration of important neuronal structures and destabilization of the mesocortical dopaminergic pathway. These disruptions impair the abilities to counteract the overactivity of the HPA axis and disinhibit involuntary muscle activity, while at the same time, there is activation of the amygdala. Recent evidence shows that overactivation of the amygdala under stressful stimuli causes rhythmic jaw muscle activity by over activating the mesencephalic and motor trigeminal nuclei. The present review aimed to discuss the negative effects of certain vitamin and mineral deficiencies, such as vitamin D, magnesium, and omega-3 fatty acids, on the central nervous system. It provides evidence on how such insufficiencies may increase stress sensitivity and neuromuscular excitability and thereby reduce the ability to effectively respond to the overactivation of the sympathetic nervous system, and also how stress can in turn lead to these insufficiencies. Finally, the positive effects of individualized supplementation are discussed in the context of diminishing anxiety and oxidative stress, neuroprotection and in the reversal of neurodegeneration, and also in alleviating/reducing neuromuscular symptoms.
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Affiliation(s)
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Vassilis Zoumpourlis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
| | - Maria Adamaki
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
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13
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Akbari M, Parsaei H, Sedaghat K, Mousavi F. Attenuation of morphine conditioned place preference and reinstatement by vitamin D. Behav Pharmacol 2023; 34:404-410. [PMID: 37581227 DOI: 10.1097/fbp.0000000000000747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
Opioid action in the brain involves the dopamine-reward system as well as non-dopamine pathways. Since vitamin D also modulates the brain's dopamine system, the question of this study was how vitamin D might affect the opioid influences on the reward system. Therefore, the objective of this study was to investigate the possible effect of vitamin D on the conditioned place preference (CPP) induced by morphine, as a valuable model of assessment of the reinforcing properties of opioids by associating the context to the rewarding properties of the addictive drugs. Male Wistar rats were randomly divided into two main groups that either received saline (morphine vehicle) or morphine (5 mg/kg, intraperitoneally) for CPP. Each of the main groups was divided into three vitamin D treatment subgroups: vitamin D vehicle and vitamin D (5 and 10 μg/kg, intraperitoneally). Vitamin D injections were started 1 week ahead of the experiment (two injections) or immediately after post-conditioning and in both cases, it was continued twice weekly throughout the CPP. Administration of vitamin D (10 μg/kg) before conditioning in CPP markedly attenuated morphine expression in the post-conditioning test. Receiving vitamin D (5 or 10 μg/kg) before or after conditioning significantly attenuated morphine reinstatement. Administration of vitamin D after opioid conditioning facilitated morphine memory extinction and attenuated morphine reinstatement. Vitamin D is probably a valuable addition to be considered as a part of the treatment for prevention or minimizing the dependency or relapse to opioids.
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Affiliation(s)
- Mahdieh Akbari
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan
| | - Houman Parsaei
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Katayoun Sedaghat
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan
| | - Fatemeh Mousavi
- Research Center of Physiology, Semnan University of Medical Sciences, Semnan
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Pertile RAN, Brigden R, Raman V, Cui X, Du Z, Eyles D. Vitamin D: A potent regulator of dopaminergic neuron differentiation and function. J Neurochem 2023; 166:779-789. [PMID: 37084159 DOI: 10.1111/jnc.15829] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/23/2023] [Accepted: 04/03/2023] [Indexed: 04/22/2023]
Abstract
Vitamin D has been identified as a key factor in dopaminergic neurogenesis and differentiation. Consequently, developmental vitamin D (DVD) deficiency has been linked to disorders of abnormal dopamine signalling with a neurodevelopmental basis such as schizophrenia. Here we provide further evidence of vitamin D's role as a mediator of dopaminergic development by showing that it increases neurite outgrowth, neurite branching, presynaptic protein re-distribution, dopamine production and functional release in various in vitro models of developing dopaminergic cells including SH-SY5Y cells, primary mesencephalic cultures and mesencephalic/striatal explant co-cultures. This study continues to establish vitamin D as an important differentiation agent for developing dopamine neurons, and now for the first time shows chronic exposure to the active vitamin D hormone increases the capacity of developing neurons to release dopamine. This study also has implications for understanding mechanisms behind the link between DVD deficiency and schizophrenia.
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Affiliation(s)
| | - Rachel Brigden
- Queensland Brain Institute, University of Queensland, Saint Lucia, Queensland, Australia
| | - Vanshika Raman
- Queensland Brain Institute, University of Queensland, Saint Lucia, Queensland, Australia
| | - Xiaoying Cui
- Queensland Brain Institute, University of Queensland, Saint Lucia, Queensland, Australia
- Queensland Centre for Mental Health Research, Wacol, Queensland, Australia
| | - Zilong Du
- Queensland Brain Institute, University of Queensland, Saint Lucia, Queensland, Australia
| | - Darryl Eyles
- Queensland Brain Institute, University of Queensland, Saint Lucia, Queensland, Australia
- Queensland Centre for Mental Health Research, Wacol, Queensland, Australia
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15
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Mirarchi A, Albi E, Beccari T, Arcuri C. Microglia and Brain Disorders: The Role of Vitamin D and Its Receptor. Int J Mol Sci 2023; 24:11892. [PMID: 37569267 PMCID: PMC10419106 DOI: 10.3390/ijms241511892] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/17/2023] [Accepted: 07/23/2023] [Indexed: 08/13/2023] Open
Abstract
Accounting for 5-20% of the total glial cells present in the adult brain, microglia are involved in several functions: maintenance of the neural environment, response to injury and repair, immunesurveillance, cytokine secretion, regulation of phagocytosis, synaptic pruning, and sculpting postnatal neural circuits. Microglia contribute to some neurodevelopmental disorders, such as Nasu-Hakola disease (NHD), Tourette syndrome (TS), autism spectrum disorder (ASD), and schizophrenia. Moreover, microglial involvement in neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's (PD) diseases, has also been well established. During the last two decades, epidemiological and research studies have demonstrated the involvement of vitamin D3 (VD3) in the brain's pathophysiology. VD3 is a fat-soluble metabolite that is required for the proper regulation of many of the body's systems, as well as for normal human growth and development, and shows neurotrophic and neuroprotective actions and influences on neurotransmission and synaptic plasticity, playing a role in various neurological diseases. In order to better understand the exact mechanisms behind the diverse actions of VD3 in the brain, a large number of studies have been performed on isolated cells or tissues of the central nervous system (CNS). Here, we discuss the involvement of VD3 and microglia on neurodegeneration- and aging-related diseases.
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Affiliation(s)
- Alessandra Mirarchi
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy;
| | - Elisabetta Albi
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy; (E.A.); (T.B.)
| | - Tommaso Beccari
- Department of Pharmaceutical Sciences, University of Perugia, 06123 Perugia, Italy; (E.A.); (T.B.)
| | - Cataldo Arcuri
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy;
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Korkut O, Aydin H. Neurological Symptoms That May Represent a Warning in Terms of Diagnosis and Treatment in a Group of Children and Adolescents with Vitamin D Deficiency. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1251. [PMID: 37508748 PMCID: PMC10377780 DOI: 10.3390/children10071251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/04/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023]
Abstract
AIM This research was intended to evaluate the clinical and laboratory findings of children presenting to our pediatric neurology clinic with symptoms potentially linked to vitamin D deficiency and with low vitamin D levels and the distribution of those findings by sex, age groups, and vitamin D levels. METHODS This retrospective study involved patients presenting to our clinic with symptoms potentially associated with vitamin D deficiency and low serum concentrations of 25 OH vitamin D (25 OH D) (<75 nmol/L, 30 µg/mL). Patients' movement disorders and central nervous system-related symptoms at the time of presentation and serum 25 OH D, calcium (Ca), phosphorus (P), and magnesium (Mg) levels were recorded and evaluated in terms of age, sex, and vitamin D levels. RESULTS Eight hundred twenty-two cases of vitamin D deficiency were included in the study, 50.2% (n = 413) boys and 49.8% (n = 409) girls. Although cases of vitamin D deficiency were present across all the age groups between 1 and 18, they were most common in the 5-14 age range (n = 372, 45.3%). Movement disorders were observed in 14.6% (n = 120) of our cases, and neurological findings associated with the central nervous system were observed in 52.6% (n = 432). The most common accompanying movement in our cases was difficulty remaining in balance (n = 42, 35%), while the most frequent accompanying central nervous system finding was vertigo (n = 99, 22.92%). Other movement disorders encountered included limb shaking (n = 32, 26.7%), abnormal posture (n = 20, 16.67%), easy falling (n = 16, 13.33%), body rigidity (n = 15, 12.5%), and hand clenching (n = 5, 4.17%). Other frequently encountered neurological findings were headache (n = 88, 20.37%), epileptic seizures (n = 83, 19.21%), fainting (n = 58, 13.43%), developmental delay (n = 41, 9.49%), febrile seizures (n = 33, 7.64%), and numbness in the fingers (n = 20, 4.63%). Other neurological findings were sleep disorders (n = 10, 2.31%), nightmares (n = 8, 1.85%), pain in the extremities (n = 7, 1.62%), and sweating and frailty (n = 4, 0.93% for both). Ca, P, and Mg levels were lower in cases with vitamin D levels < 12 µg/mL. The prevalences of both movement disorders and central nervous system findings varied according to age groups, sex, and vitamin D levels. CONCLUSIONS Our study results show that vitamin D deficiency can present with different neurological findings and that these may vary according to age group, sex, and vitamin D levels. Clinicians must take particular care in pediatric cases with neurological findings in terms of the early diagnosis and treatment of vitamin D deficiency.
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Affiliation(s)
- Oguzhan Korkut
- Department of Medical Pharmacology, Faculty of Medicine, Balikesir University, 10145 Balikesir, Turkey
| | - Hilal Aydin
- Department of Pediatrics, Faculty of Medicine, Balikesir University, 10145 Balikesir, Turkey
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Ye X, Zhou Q, Ren P, Xiang W, Xiao L. The Synaptic and Circuit Functions of Vitamin D in Neurodevelopment Disorders. Neuropsychiatr Dis Treat 2023; 19:1515-1530. [PMID: 37424961 PMCID: PMC10327924 DOI: 10.2147/ndt.s407731] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/07/2023] [Indexed: 07/11/2023] Open
Abstract
Vitamin D deficiency/insufficiency is a public health issue around the world. According to epidemiological studies, low vitamin D levels have been associated with an increased risk of some neurodevelopmental disorders, including autism spectrum disorder (ASD) and attention-deficit hyperactivity disorder (ADHD). Animal models reveal that vitamin D has a variety of impacts on the synapses and circuits in the brain. A lack of vitamin D affects the expression of synaptic proteins, as well as the synthesis and metabolism of various neurotransmitters. Depending on where vitamin D receptors (VDRs) are expressed, vitamin D may also regulate certain neuronal circuits through the endocannabinoid signaling, mTOR pathway and oxytocin signaling. While inconsistently, some data suggest that vitamin D supplementation may be able to reduce the core symptoms of ASD and ADHD. This review emphasizes vitamin D's role in the synaptic and circuit mechanisms of neurodevelopmental disorders including ASD and ADHD. Future application of vitamin D in these disorders will depend on both basic research and clinical studies, in order to make the transition from the bench to the bedside.
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Affiliation(s)
- Xiaoshan Ye
- Hainan Women and Children’s Medical Center, School of Pediatrics, Hainan Medical University, Haikou, People’s Republic of China
| | - Qionglin Zhou
- International School of Public Health and One Health, Hainan Medical University, Haikou, People’s Republic of China
| | - Pengcheng Ren
- Hainan Women and Children’s Medical Center, School of Pediatrics, Hainan Medical University, Haikou, People’s Republic of China
- National Health Commission (NHC) Key Laboratory of Control of Tropical Diseases, Hainan Medical University, Haikou, People’s Republic of China
- School of Basic Medicine and Life Science, Hainan Medical University, Haikou, People’s Republic of China
| | - Wei Xiang
- Hainan Women and Children’s Medical Center, School of Pediatrics, Hainan Medical University, Haikou, People’s Republic of China
- National Health Commission (NHC) Key Laboratory of Control of Tropical Diseases, Hainan Medical University, Haikou, People’s Republic of China
| | - Le Xiao
- Hainan Women and Children’s Medical Center, School of Pediatrics, Hainan Medical University, Haikou, People’s Republic of China
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Tamang MK, Ali A, Pertile RN, Cui X, Alexander S, Nitert MD, Palmieri C, Eyles D. Developmental vitamin D-deficiency produces autism-relevant behaviours and gut-health associated alterations in a rat model. Transl Psychiatry 2023; 13:204. [PMID: 37316481 PMCID: PMC10267107 DOI: 10.1038/s41398-023-02513-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 05/21/2023] [Accepted: 06/05/2023] [Indexed: 06/16/2023] Open
Abstract
Developmental vitamin D (DVD)-deficiency is an epidemiologically established risk factor for autism. Emerging studies also highlight the involvement of gut microbiome/gut physiology in autism. The current study aims to examine the effect of DVD-deficiency on a broad range of autism-relevant behavioural phenotypes and gut health. Vitamin D deficient rat dams exhibited altered maternal care, DVD-deficient pups showed increased ultrasonic vocalizations and as adolescents, social behaviour impairments and increased repetitive self-grooming behaviour. There were significant impacts of DVD-deficiency on gut health demonstrated by alterations to the microbiome, decreased villi length and increased ileal propionate levels. Overall, our animal model of this epidemiologically validated risk exposure for autism shows an expanded range of autism-related behavioural phenotypes and now alterations in gut microbiome that correlate with social behavioural deficits raising the possibility that DVD-deficiency induced ASD-like behaviours are due to alterations in gut health.
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Affiliation(s)
- Man Kumar Tamang
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
| | - Asad Ali
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
| | | | - Xiaoying Cui
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
- Queensland Centre for Mental Health Research, Wacol, Australia
| | - Suzy Alexander
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia
- Queensland Centre for Mental Health Research, Wacol, Australia
| | - Marloes Dekker Nitert
- School of Chemistry and Molecular Bioscience, The University of Queensland, Brisbane, Australia
| | - Chiara Palmieri
- School of Veterinary Science, The University of Queensland, Gatton, Australia
| | - Darryl Eyles
- Queensland Brain Institute, The University of Queensland, Brisbane, Australia.
- Queensland Centre for Mental Health Research, Wacol, Australia.
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Xiaoxia L, Jilong J, Xianrui C, Yanhui C. Vitamin D status and tic disorder: a systematic review and meta-analysis of observational studies. Front Pediatr 2023; 11:1173741. [PMID: 37325365 PMCID: PMC10267821 DOI: 10.3389/fped.2023.1173741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 05/09/2023] [Indexed: 06/17/2023] Open
Abstract
Objective Tic disorders (TD) are a common neurodevelopmental disorder, it can be divided into transient tic disorder (TTD), chronic motor or vocal tic disorder (CTD), and Tourette syndrome (TS). Our research is to evaluate the clinical relationship between tic disorders and vitamin D level in children. Methods Online databases, including CNKI, Wanfang, VIP, Cochrane Library, PubMed and Embase digital knowledge service platform, were checked up to June 2022 for relevant observational studies published in Chinese and English. A random-effects model was incorporated to summarize the study results. The RevMan5.3 software was used for meta-analysis. Results Out of 132 retrieved articles, 13 observational studies were eligible for inclusion in the systematic review and meta-analysis, comparing serum Vitamin D levels between children with TD and HC (healthy controls), including different subtypes of TD (TTD, CTD and TS). The results showed that the serum vitamin D levels in the TD group were lower than those in the HC group (MD = -6.64, 95% CI: -9.36 to -3.93, P < 0.001, Heterogeneity test: P < 0.001, I2 = 94%). There were no statistically significant differences in serum vitamin D levels between the TTD group and the CTD group (MD = 3.84, 95% CI: -0.59 to 8.26, P = 0.09, Heterogeneity test: P < 0.001, I2 = 90%), or between the CTD group and the TS group (MD = 1.06, 95% CI: -0.04 to 2.16, P = 0.0, Heterogeneity test: P = 0.54, I2 = 0%). However, there was a statistically significant difference in serum vitamin D levels between the TTD group and the TS group (MD = 5.24, 95% CI: 0.68-9.80, P = 0.02, Heterogeneity test: P < 0.001, I2 = 92%). The study also found a statistically significant difference in the ratio of male children between the TD group and the HC group (OR = 1.48, 95% CI: 1.07-2.03, P = 0.02, Heterogeneity test: P < 0.001, I2 = 74%), but no statistically significant difference in the age of children between the TD group and the HC group (OR = 0.46, 95% CI: -0.33 to 1.24, P = 0.25, Heterogeneity test: P < 0.001, I2 = 96%). Conclusions Our meta-analysis showed that the vitamin D level of children with TD was lower than that of healthy children. However, there was no difference between the subgroup. Due to the limitations of included studies in research design and diagnostic criteria, large samples, multi-center and high-quality studies are still needed for further analysis and confirmation.
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Affiliation(s)
- Lin Xiaoxia
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jiang Jilong
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
| | - Chen Xianrui
- Department of Pediatric Rehabilitation, Xiamen Rehabilitation Hospital, Xiamen, China
| | - Chen Yanhui
- Department of Pediatrics, Fujian Medical University Union Hospital, Fuzhou, China
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20
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Srifuengfung M, Srifuengfung S, Pummangura C, Pattanaseri K, Oon-Arom A, Srisurapanont M. Efficacy and acceptability of vitamin D supplements for depressed patients: A systematic review and meta-analysis of randomized controlled trials. Nutrition 2023; 108:111968. [PMID: 36716601 DOI: 10.1016/j.nut.2022.111968] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/10/2022] [Accepted: 12/31/2022] [Indexed: 01/09/2023]
Abstract
OBJECTIVES This systematic review and meta-analysis synthesized the evidence from randomized controlled trials comparing vitamin D and placebo in reducing depressive symptoms and contributing to all-cause dropout rates. METHODS Inclusion criteria were randomized controlled trials comparing reduced depression between depressed patients receiving vitamin D and those receiving placebo. We searched PubMed, Embase, Web of Science, and the Cochrane Central Register of Controlled Trials through January 2022. RESULTS Eighteen trials (1980 participants, median age 39 y) were included in the meta-analysis. Vitamin D supplements were significantly superior to placebo in reducing depression (standardized mean difference = -0.49; 95% confidence interval [CI], -0.75 to -0.23; I2 = 81%). Depressed adults (standardized mean difference = -0.70; 95% CI, -1.09 to -0.31) responded to vitamin D significantly better than children and adolescents (standardized mean difference = 0.10; 95% CI -0.27 to 0.47). Vitamin D administered as bolus doses (oral intermittent high doses or intramuscular single high dose) appeared to be more effective than that taken daily by the oral route (P < 0.01). Patients with more severe depression tended to respond better than those with less severity (P = 0.053). We found no moderating effect of concurrent antidepressant use, presence of major depressive disorder diagnosis, physical comorbidity, sex, duration and doses of vitamin D supplement, serum 25-hydroxyvitamin D levels at baseline, and changes in serum 25-hydroxyvitamin D levels in the vitamin D group. Dropout rates were indifferent between the groups (17 trials; risk ratio = 0.84; 95% CI, 0.6-1.16; I2 = 0). CONCLUSIONS Heterogeneous data suggested that vitamin D supplements are effective and safe for depressed patients.
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Affiliation(s)
- Maytinee Srifuengfung
- Department of Psychiatry, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | | | | | - Keerati Pattanaseri
- Department of Psychiatry, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Awirut Oon-Arom
- Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Manit Srisurapanont
- Department of Psychiatry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
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Thiel A, Hermanns C, Lauer AA, Reichrath J, Erhardt T, Hartmann T, Grimm MOW, Grimm HS. Vitamin D and Its Analogues: From Differences in Molecular Mechanisms to Potential Benefits of Adapted Use in the Treatment of Alzheimer’s Disease. Nutrients 2023; 15:nu15071684. [PMID: 37049524 PMCID: PMC10096957 DOI: 10.3390/nu15071684] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/15/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023] Open
Abstract
Lifestyle habits and insufficient sunlight exposure lead to a high prevalence of vitamin D hypovitaminosis, especially in the elderly. Recent studies suggest that in central Europe more than 50% of people over 60 years are not sufficiently supplied with vitamin D. Since vitamin D hypovitaminosis is associated with many diseases, such as Alzheimer’s disease (AD), vitamin D supplementation seems to be particularly useful for this vulnerable age population. Importantly, in addition to vitamin D, several analogues are known and used for different medical purposes. These vitamin D analogues differ not only in their pharmacokinetics and binding affinity to the vitamin D receptor, but also in their potential side effects. Here, we discuss these aspects, especially those of the commonly used vitamin D analogues alfacalcidol, paricalcitol, doxercalciferol, tacalcitol, calcipotriol, and eldecalcitol. In addition to their pleiotropic effects on mechanisms relevant to AD, potential effects of vitamin D analogues on comorbidities common in the context of geriatric diseases are summarized. AD is defined as a complex neurodegenerative disease of the central nervous system and is commonly represented in the elderly population. It is usually caused by extracellular accumulation of amyloidogenic plaques, consisting of amyloid (Aβ) peptides. Furthermore, the formation of intracellular neurofibrillary tangles involving hyperphosphorylated tau proteins contributes to the pathology of AD. In conclusion, this review emphasizes the importance of an adequate vitamin D supply and discusses the specifics of administering various vitamin D analogues compared with vitamin D in geriatric patients, especially those suffering from AD.
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Neuroprotective Effect of Vitamin D on Behavioral and Oxidative Parameters of Male and Female Adult Wistar Rats Exposed to Mancozeb (manganese/zinc ethylene bis-dithiocarbamate). Mol Neurobiol 2023; 60:3724-3740. [PMID: 36940076 DOI: 10.1007/s12035-023-03298-8] [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: 09/14/2022] [Accepted: 03/02/2023] [Indexed: 03/21/2023]
Abstract
The constant exposure of rural workers to pesticides is a serious public health problem. Mancozeb (MZ) is a pesticide linked to hormonal, behavioral, genetic, and neurodegenerative effects, mainly related to oxidative stress. Vitamin D is a promising molecule that acts as a protector against brain aging. This study aimed to evaluate the neuroprotective role of vitamin D in adult male and female Wistar rats exposed to MZ. Animals received 40 mg/kg of MZ i.p. and 12.5 μg/kg or 25 μg/kg vitamin D by gavage, twice a week, for 6 weeks. The concentration of manganese had a significant increase in the hippocampus of both sexes and in the striatum of females, unlike zinc, which did not show a significant increase. MZ poisoning led to mitochondrial changes in brain tissues and promoted anxiogenic effects, especially in females. Alterations in antioxidant enzymes, mainly in the catalase activity were observed in intoxicated rats. Taken together, our results showed that exposure to MZ leads to the accumulation of manganese in brain tissues, and the behavior and metabolic/oxidative impairment were different between the sexes. Furthermore, the administration of Vitamin D was effective in preventing the damage caused by the pesticide.
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Wang W, Li Y, Meng X. Vitamin D and neurodegenerative diseases. Heliyon 2023; 9:e12877. [PMID: 36820164 PMCID: PMC9938420 DOI: 10.1016/j.heliyon.2023.e12877] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/23/2022] [Accepted: 01/05/2023] [Indexed: 01/13/2023] Open
Abstract
Neurodegenerative diseases, featured by progressive loss of structure or function of neurons, are considered incurable at present. Movement disorders like tremor and postural instability, cognitive or behavioral disorders such as memory impairment are the most common symptoms of them and the growing patient population of neurodegenerative diseases poses a serious threat to public health and a burden on economic development. Hence, it is vital to prevent the occurrence of the diseases and delay their progress. Vitamin D can be transformed into a hormone in vivo with both genomic and non-genomic actions, exerting diverse physiological effects. Cumulative evidence indicates that vitamin D can ameliorate neurodegeneration by regulating pertinent molecules and signaling pathways including maintaining Ca2+ homeostasis, reducing oxidative stress, inhibiting inflammation, suppressing the formation and aggregation of the pathogenic protein, etc. This review updates discoveries of molecular mechanisms underlying biological functions of vitamin D in neurodegenerative diseases including Alzheimer's disease, Parkinson's disease, multiple sclerosis, and vascular dementia. Clinical trials investigating the influence of vitamin D supplementation in patients with neurodegenerative diseases are also summarized. The synthesized information will probably provoke an enhanced understanding of the neuroprotective roles of vitamin D in the nervous system and provide therapeutic options for patients with neurodegenerative diseases in the future.
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Miyazaki A, Takahashi M, Shuo T, Eto H, Kondo H. Determination of optimal 25-hydroxyvitamin D cutoff values for the evaluation of restless legs syndrome among pregnant women. J Clin Sleep Med 2023; 19:73-83. [PMID: 35999809 PMCID: PMC9806781 DOI: 10.5664/jcsm.10270] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 01/07/2023]
Abstract
STUDY OBJECTIVES Vitamin D deficiency is associated with restless legs syndrome (RLS). However, a cutoff value for serum 25-hydroxyvitamin D (25[OH]D) level associated with RLS has yet to be clearly determined. We evaluated the association between 25(OH)D and RLS in pregnant women. METHODS Data from 203 pregnant women were evaluated using blood samples taken in the third trimester. Liquid chromatography-tandem mass spectrometry and ligand binding assays were used to measure 25(OH)D. RLS was diagnosed based on International Classification of Sleep Disorders, third edition, criteria. The cutoff value for serum 25(OH)D associated with RLS was explored using receiver operating characteristic (ROC) curve and classification and regression tree (CART) analyses. RESULTS The results of liquid chromatography-tandem mass spectrometry (x) and ligand binding assays (y) for serum 25(OH)D in the RLS (n = 35, 17.2%) and non-RLS (n = 168) groups showed a relationship of y = -2.65 + 0.08x . The RLS group showed lower serum 25(OH)D and folate levels. ROC curve and CART analyses revealed cutoff values of 10-12.7 ng/mL and 6.6-7.2 ng/mL for 25(OH)D and folate, respectively. Of the 5 women with RLS symptoms persisting at a moderate-to-severe level after delivery, 4 had 25(OH)D levels < 10 ng/mL and all had folate levels < 6 ng/mL. CONCLUSIONS Vitamin D and folate deficiency were associated with RLS in pregnant women and may be associated with persistent moderate-to-severe postpartum RLS symptomatology; it is essential to examine associations with RLS while accounting for measurement methods and assay systems. CITATION Miyazaki A, Takahashi M, Shuo T, Eto H, Kondo H. Determination of optimal 25-hydroxyvitamin D cutoff values for the evaluation of restless legs syndrome among pregnant women. J Clin Sleep Med. 2023;19(1):73-83.
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Affiliation(s)
- Asuka Miyazaki
- Department of Reproductive Health, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Misako Takahashi
- Department of Reproductive Health, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Takuya Shuo
- Department of Medical Technology and Clinical Engineering, Faculty of Health and Medical Sciences, Hokuriku University, Ishikawa, Japan
| | - Hiromi Eto
- Department of Reproductive Health, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Hideaki Kondo
- Sleep Center, Social Medical Corporation Shunkaikai, Inoue Hospital, Nagasaki, Japan
- Department of General Medicine, Institute of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
- International Institute for Integrative Sleep Medicine, University of Tsukuba, Ibaraki, Japan
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Tirani SA, Balali A, Askari G, Saneei P. Maternal serum 25-hydroxy vitamin D levels and risk of autism spectrum and attention-deficit hyperactivity disorders in offspring: A systematic review and dose-response meta-analysis. Psychiatry Res 2023; 319:114977. [PMID: 36470163 DOI: 10.1016/j.psychres.2022.114977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/12/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022]
Affiliation(s)
- Shahnaz Amani Tirani
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Arghavan Balali
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvane Saneei
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Maternal Vitamin D Levels during Pregnancy and Offspring Psychiatric Outcomes: A Systematic Review. Int J Mol Sci 2022; 24:ijms24010063. [PMID: 36613505 PMCID: PMC9820292 DOI: 10.3390/ijms24010063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/14/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Prenatal exposure to vitamin D may play a significant role in human brain development and function. Previous epidemiological studies investigating the associations between maternal vitamin D status and offspring developmental and psychiatric outcomes in humans have been inconclusive. We aimed to systematically assess the results of previously published studies that examined the associations between maternal vitamin D levels, measured as circulating 25(OH)D levels in pregnancy or at birth, and offspring neuropsychiatric and psychiatric outcomes. Systematic searches were conducted using MEDLINE, Embase, PsychINFO and Web of Science for studies published by 10 August 2022. We included human observational studies that examined associations between prenatal or perinatal vitamin D levels and offspring neuropsychiatric and psychiatric outcomes and were published in English in peer-reviewed journals. Of the 3729 studies identified, 66 studies were screened for full texts and 29 studies published between 2003 and 2022 were included in the final review. There was a small amount of evidence for the association between prenatal vitamin D deficiency and autism spectrum disorder. When studies with larger sample sizes and stricter definitions of vitamin D deficiency were considered, positive associations were also found for attention-deficit/hyperactivity disorder and schizophrenia. Future studies with larger sample sizes, longer follow-up periods and prenatal vitamin D assessed at multiple time points are needed.
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Li Y, Hu P, Wu X, Zou Q, Liu X, Liu J, Fu Y. Association between serum vitamin D and refractive status in United States adolescents: A cross-sectional study. Front Nutr 2022; 9:1038963. [PMID: 36570139 PMCID: PMC9773557 DOI: 10.3389/fnut.2022.1038963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/21/2022] [Indexed: 12/13/2022] Open
Abstract
Purpose We performed this study to determine the relationship between serum vitamin D levels and refractive status in adolescents aged 12-19 years. Methods Cross-sectional study using the National Health and Nutrition Examination Survey (NHANES) database from 2001 to 2006. We used weighted multivariate linear regression models to assess the association between serum vitamin levels and adolescent refractive status and then built a smooth curve fitting to investigate their internal non-linear relationships. Finally, subgroup analysis was performed according to gender, and the threshold effect of serum vitamin D levels on spherical equivalent degree was analyzed using a two-piecewise linear regression model. Result A total of 5,901 adolescents aged 12 to 19 years were included in this study. After adjusting for all confounding factors, the multiple linear regression model showed no significant correlation between adolescent spherical equivalent degree and serum vitamin D [0.0019 (-0.0018, 0.0046)]. However, smooth curve fitting analysis showed an inverted U-shaped curve relationship between spherical equivalent degree and serum vitamin D levels in adolescents (turning point: 58.1 nmol/L). In analyses by gender subgroup, this inverted U-shaped relationship was found to be more pronounced in female adolescents (turning point: 61.6 nmol/L). Conclusion Our results suggest that the correlation between refractive status and serum vitamin D in adolescents differs by gender. When serum vitamin D concentrations were <61.6 nmol/L in female adolescents and <53.2 nmol/L in male adolescents, the spherical equivalent degree showed a positive correlation with serum vitamin D levels. However, there was no significant correlation when adolescent vitamin levels exceeded this threshold.
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Affiliation(s)
- Yanqing Li
- Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Pengcheng Hu
- Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xianhui Wu
- Department of Ophthalmology, Chongqing Health Center for Women and Children, Chongqing, China
| | - Qian Zou
- Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaozhu Liu
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jialing Liu
- Department of Phase I Clinical Trial Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China,*Correspondence: Jialing Liu,
| | - Yuxian Fu
- Department of Ophthalmology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China,Yuxian Fu,
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Rihal V, Khan H, Kaur A, Singh TG, Abdel-Daim MM. Therapeutic and mechanistic intervention of vitamin D in neuropsychiatric disorders. Psychiatry Res 2022; 317:114782. [PMID: 36049434 DOI: 10.1016/j.psychres.2022.114782] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/08/2022] [Accepted: 08/09/2022] [Indexed: 11/19/2022]
Abstract
Vitamin D deficiency is believed to affect between 35 and 55% of the world's population, making it a hidden pandemic. In addition to its role in bone and calcium homeostasis, vitamin D has also been linked in preclinical and clinical research to brain function. These outcomes have also been used for a variety of neuropsychiatric and neurodevelopmental problems. Nevertheless, these individuals are more prone to develop signs of cognitive decline. This review will emphasize the association between vitamin D and neuropsychiatric illnesses such as autism, schizophrenia, depression, and Attention Deficit Hyperactivity Disorder (ADHD). While numerous research show vitamin D's essential role in cognitive function in neuropsychiatric illnesses, it is too early to propose its effect on cognitive symptoms with certainty. It is necessary to conduct additional research into the associations between vitamin D deficiency and cognitive abnormalities, particularly those found in autism, schizophrenia, depression, and ADHD, to develop initiatives that address the pressing need for novel and effective preventative therapeutic strategies.
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Affiliation(s)
- Vivek Rihal
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Heena Khan
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | - Amarjot Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab 140401, India
| | | | - Mohamed M Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231 Jeddah 21442, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
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29
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Cui X, Eyles DW. Vitamin D and the Central Nervous System: Causative and Preventative Mechanisms in Brain Disorders. Nutrients 2022; 14:nu14204353. [PMID: 36297037 PMCID: PMC9610817 DOI: 10.3390/nu14204353] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/13/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Twenty of the last one hundred years of vitamin D research have involved investigations of the brain as a target organ for this hormone. Our group was one of the first to investigate brain outcomes resulting from primarily restricting dietary vitamin D during brain development. With the advent of new molecular and neurochemical techniques in neuroscience, there has been increasing interest in the potential neuroprotective actions of vitamin D in response to a variety of adverse exposures and how this hormone could affect brain development and function. Rather than provide an exhaustive summary of this data and a listing of neurological or psychiatric conditions that vitamin D deficiency has been associated with, here, we provide an update on the actions of this vitamin in the brain and cellular processes vitamin D may be targeting in psychiatry and neurology.
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Affiliation(s)
- Xiaoying Cui
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol Q4076, Australia
- Queensland Brain Institute, University of Queensland, St Lucia Q4076, Australia
| | - Darryl W. Eyles
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol Q4076, Australia
- Queensland Brain Institute, University of Queensland, St Lucia Q4076, Australia
- Correspondence:
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Fu J, Sun J, Zhang C. Vitamin D supplementation and risk of stroke: A meta-analysis of randomized controlled trials. Front Neurol 2022; 13:970111. [PMID: 36062009 PMCID: PMC9434369 DOI: 10.3389/fneur.2022.970111] [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: 06/15/2022] [Accepted: 07/25/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundPrevious observational studies have supported the hypothesis that vitamin D supplementation protects against stroke. However, several current intervention studies contradict this observation. Therefore, we conducted a meta-analysis to investigate further the association between vitamin D supplementation and the risk of stroke.MethodsThis meta-analysis was conducted in accordance with the PRISMA statement and included all the randomized controlled trials (RCTs) that analyzed the relationship between vitamin D supplementation and the risk of stroke. A literature search strategy was established, and the following Medical Search Terms (MeSH) were used: “vitamin D,” “Calcitriol,” “Calcifediol,” “Cholecalciferol,” “25-Hydroxyvitamin D 2,” “ergocalciferols,” “stroke,” and stroke-derived terms. We searched for articles published before January 2022 in several databases, namely, PubMed, Web of Science, EMBASE, and The Cochrane Library. We also reviewed references included in relevant published meta-analyses and searched the http://www.ClinicalTrials.gov website for additional RCTs. The Q test and I2 were utilized to assess the degree of heterogeneity among the studies. Review Manager 5.3 and STATA16.0 software programs were used to assess the literature quality and perform statistical analyses.ResultsIn total, twenty-four RCTs (86,202 participants) were included. There was no statistical heterogeneity among the RCTs (I2 = 0.0%, P = 0.94) included in this meta-analysis. We determined that vitamin D supplementation was not associated with a reduced risk of stroke compared with the placebo (RR = 1.02, 95% CI: 0.93–1.13, P = 0.65). In total, 10 studies only included women, and 14 studies included women and men among the 24 RCTs. Therefore, we performed a subgroup analysis based on sex. After the subgroup analysis, the effect remained statistically insignificant (mixed-sex group: RR = 1.06, 95% CI: 0.93–1.22, P = 0.37, women group: RR = 0.98, 95% CI: 0.86–1.13, P = 0.80). The results were generally comparable, based on age, body mass index (BMI), follow-up period, baseline 25-hydroxyvitamin D (25(OH)D) levels, the designated endpoint, latitude, vitamin D dosage, type of vitamin D administered, and an absence or presence of concurrent calcium supplementation (P > 0.05).ConclusionOur study revealed that additional vitamin D supplementation did not reduce the risk of stroke. Therefore, additional RCTs of similar design should not be encouraged to assess any association between vitamin D supplementation and reduced stroke risk.
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Affiliation(s)
- Jia Fu
- Department of Neurology, Chifeng Municipal Hospital, Chifeng, China
- *Correspondence: Jia Fu
| | - Junfang Sun
- The Second Affiliated Hospital of Baotou Medical College, Inner Mongolia University of Science and Technology, Baotou, China
| | - Chao Zhang
- Department of Geriatrics, Chifeng Municipal Hospital, Chifeng, China
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31
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Developmental vitamin D-deficiency increases the expression of microRNAs involved in dopamine neuron development. Brain Res 2022; 1789:147953. [DOI: 10.1016/j.brainres.2022.147953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/28/2022] [Accepted: 05/23/2022] [Indexed: 12/13/2022]
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de Carvalho J, Lerner A, Feingold D. Management of Hyperhomocysteinemia, Low Vitamin Levels, and Low Cortisol in Cannabis Users: A Report of 2 Cases. J Chiropr Med 2022; 21:322-326. [DOI: 10.1016/j.jcm.2022.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 03/05/2022] [Accepted: 03/06/2022] [Indexed: 10/17/2022] Open
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Kouba BR, Camargo A, Gil-Mohapel J, Rodrigues ALS. Molecular Basis Underlying the Therapeutic Potential of Vitamin D for the Treatment of Depression and Anxiety. Int J Mol Sci 2022; 23:ijms23137077. [PMID: 35806075 PMCID: PMC9266859 DOI: 10.3390/ijms23137077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 02/07/2023] Open
Abstract
Major depressive disorder and anxiety disorders are common and disabling conditions that affect millions of people worldwide. Despite being different disorders, symptoms of depression and anxiety frequently overlap in individuals, making them difficult to diagnose and treat adequately. Therefore, compounds capable of exerting beneficial effects against both disorders are of special interest. Noteworthily, vitamin D deficiency has been associated with an increased risk of developing depression and anxiety, and individuals with these psychiatric conditions have low serum levels of this vitamin. Indeed, in the last few years, vitamin D has gained attention for its many functions that go beyond its effects on calcium–phosphorus metabolism. Particularly, antioxidant, anti-inflammatory, pro-neurogenic, and neuromodulatory properties seem to contribute to its antidepressant and anxiolytic effects. Therefore, in this review, we highlight the main mechanisms that may underlie the potential antidepressant and anxiolytic effects of vitamin D. In addition, we discuss preclinical and clinical studies that support the therapeutic potential of this vitamin for the management of these disorders.
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Affiliation(s)
- Bruna R. Kouba
- Center of Biological Sciences, Department of Biochemistry, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (B.R.K.); (A.C.)
| | - Anderson Camargo
- Center of Biological Sciences, Department of Biochemistry, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (B.R.K.); (A.C.)
| | - Joana Gil-Mohapel
- Island Medical Program, Faculty of Medicine, University of British Columbia, Victoria, BC V8P 5C2, Canada
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
- Correspondence: (J.G.-M.); (A.L.S.R.); Tel.: +1-250-721-6586 (J.G.-M.); +55-(48)-3721-5043 (A.L.S.R.)
| | - Ana Lúcia S. Rodrigues
- Center of Biological Sciences, Department of Biochemistry, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil; (B.R.K.); (A.C.)
- Correspondence: (J.G.-M.); (A.L.S.R.); Tel.: +1-250-721-6586 (J.G.-M.); +55-(48)-3721-5043 (A.L.S.R.)
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Vitamin D Status and Parkinson's Disease. Brain Sci 2022; 12:brainsci12060790. [PMID: 35741675 PMCID: PMC9221008 DOI: 10.3390/brainsci12060790] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/09/2022] [Accepted: 06/14/2022] [Indexed: 02/04/2023] Open
Abstract
Parkinson’s disease (PD) is a complex and progressive neurodegenerative disease, characterized by resting tremor, rigidity, slowness of movement, and postural instability. Furthermore, PD is associated with a wide spectrum of non-motor symptoms that add to overall disability. In recent years, some investigations, from basic science to clinical applications, have focused on the role of vitamin D in PD, often with controversial findings. Vitamin D has widespread effects on several biological processes in the central nervous system, including neurotransmission in dopaminergic neural circuits. Various studies have recorded lower levels of vitamin D in PD patients than in healthy controls. Low vitamin D status has also been correlated with the risk for PD and motor severity, whereas less is known about the effects vitamin D has on cognitive function and other non-motor symptoms. This review aims to better characterize the correlation between vitamin D and PD, clarify the role of vitamin D in PD prevention and treatment, and discuss avenues for future research in this field.
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Gombash SE, Lee PW, Sawdai E, Lovett-Racke AE. Vitamin D as a Risk Factor for Multiple Sclerosis: Immunoregulatory or Neuroprotective? Front Neurol 2022; 13:796933. [PMID: 35651353 PMCID: PMC9149265 DOI: 10.3389/fneur.2022.796933] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 04/13/2022] [Indexed: 12/18/2022] Open
Abstract
Vitamin D insufficiency during childhood has been linked to the development of multiple sclerosis (MS), typically an adult-onset inflammatory demyelinating disease of the central nervous system (CNS). Since vitamin D was known to have immunoregulatory properties on both innate and adaptive immunity, it was hypothesized that low vitamin D resulted in aberrant immune responses and the development of MS. However, vitamin D receptors are present on many cell types, including neurons, oligodendrocytes, astrocytes and microglia, and vitamin D has profound effects on development and function of the CNS. This leads to the possibility that low vitamin D may alter the CNS in a manner that makes it vulnerable to inflammation and the development of MS. This review analysis the role of vitamin D in the immune and nervous system, and how vitamin D insufficiency in children may contribute to the development of MS.
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Affiliation(s)
- Sara E Gombash
- Department of Neuroscience, The Ohio State University, Columbus, OH, United States
| | - Priscilla W Lee
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH, United States
| | - Elizabeth Sawdai
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH, United States
| | - Amy E Lovett-Racke
- Department of Neuroscience, The Ohio State University, Columbus, OH, United States.,Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH, United States
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Quintero-Fabián S, Bandala C, Pichardo-Macías LA, Contreras-García IJ, Gómez-Manzo S, Hernández-Ochoa B, Martínez-Orozco JA, Ignacio- Mejía I, Cárdenas-Rodríguez N. Vitamin D and its possible relationship to neuroprotection in COVID-19: evidence in the literature. Curr Top Med Chem 2022; 22:1346-1368. [DOI: 10.2174/1568026622666220401140737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 01/30/2022] [Accepted: 02/03/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
Vitamin D is a hormone involved in the regulation of important biological processes such as signal transduction, immune response, metabolic regulation and also in the nervous and vascular systems. To date, coronavirus disease 2019 (COVID-19) infection does not have a specific treatment, however various drugs have been proposed, including those that attenuate the intense inflammatory response and recently the use of vitamin D, in clinical trials, as part of the treatment of COVID-19 has provided promising results. It has been observed in some clinical studies that the use of cholecalciferol (vitamin D3) and its two metabolites the circulating form, calcidiol or calcifediol (25-hydroxycalciferol, 25-(OH)-D) and the active form, calcitriol (1,25-(OH)2-D), in different doses, improve the clinical manifestations, prognosis and survival of patients infected with COVID-19 probably because of its anti-inflammatory, antiviral and lung-protective action. In relation to the central nervous system (CNS) it has been shown, in clinical studies, that vitamin D is beneficial in some neurological and psychiatric conditions because of its anti-inflammatory and antioxidant properties, modulation of neurotransmitters actions, regulation of calcium homeostasis between other mechanisms. It has been showed that COVID-19 infection induces CNS complications such as headache, anosmia, ageusia, neuropathy, encephalitis, stroke, thrombosis, cerebral hemorrhages, cytotoxic lesions and psychiatric conditions and it has been proposed that the use of dietary supplements, as vitamin and minerals, can be adjuvants in this disease. In this review the evidence of possible role of vitamin D, and its metabolites, as protector against the neurological manifestations of COVID-19 was summarized.
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Affiliation(s)
- Saray Quintero-Fabián
- Laboratorio de Medicina Traslacional, Escuela Militar de Graduados de Sanidad, UDEFA, Mexico City, 11200, Mexico
| | - Cindy Bandala
- Division de Neurociencias, Instituto Nacional de Rehabilitación, Secretaría de Salud, Mexico City, 14389, Mexico
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City, 11340, Mexico
| | - Luz Adriana Pichardo-Macías
- Departamento de Fisiología, Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Mexico City, 07738, Mexico
| | | | - Saúl Gómez-Manzo
- Laboratorio de Bioquímica Genética, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City, 04530, Mexico
| | - Beatriz Hernández-Ochoa
- Laboratorio de Inmunoquímica, Hospital Infantil de México Federico Gómez, Secretaría de Salud, Mexico City, 06720, Mexico
| | - José Arturo Martínez-Orozco
- Departmento de Infectología, Instituto Nacional de Enfermedades Respiratorias, Ismael Cosío Villegas, Secretaría de Salud, Mexico City, 14080, Mexico
| | - Iván Ignacio- Mejía
- Laboratorio de Medicina Traslacional, Escuela Militar de Graduados de Sanidad, UDEFA, Mexico City, 11200, Mexico
| | - Noemí Cárdenas-Rodríguez
- Laboratorio de Neurociencias, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City, 04530, Mexico
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Bouillon R, Antonio L, Olarte OR. Calcifediol (25OH Vitamin D3) Deficiency: A Risk Factor from Early to Old Age. Nutrients 2022; 14:nu14061168. [PMID: 35334824 PMCID: PMC8949915 DOI: 10.3390/nu14061168] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 02/04/2023] Open
Abstract
Vitamin D deficiency is the main cause of nutritional rickets in children and osteomalacia in adults. There is consensus that nutritional access to vitamin D can be estimated by measuring serum concentrations of 25OHD and vitamin D deficiency can thus be considered as calcifediol deficiency. However, the threshold for vitamin D/calcifediol sufficiency remains a matter of debate. Vitamin D/calcifediol deficiency has been associated with musculoskeletal effects but also multiple adverse extra-skeletal consequences. If these consequences improve or if they can be treated with vitamin D supplementation is still unclear. Observational studies suggest a higher infection risk in people with low calcifediol levels. There is also a consistent association between serum calcifediol and cardiovascular events and deaths, but large-scale, long-term intervention studies did not show any benefit on cardiovascular outcomes from supplementation, at least not in subjects without clear vitamin D deficiency. Cancer risk also did not change with vitamin D treatment, although there are some data that higher serum calcifediol is associated with longer survival in cancer patients. In pregnant women, vitamin D supplementation decreases the risk of pre-eclampsia, gestational diabetes mellitus, and low birth weight. Although preclinical studies showed that the vitamin D endocrine system plays a role in certain neural cells as well as brain structure and function, there is no evidence to support a beneficial effect of vitamin D in neurodegenerative diseases. Vitamin D supplementation may marginally affect overall mortality risk especially in elderly subjects with low serum calcifediol concentrations.
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Affiliation(s)
- Roger Bouillon
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, Catholic University of Leuven, 3000 Leuven, Belgium;
- Correspondence:
| | - Leen Antonio
- Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism, Catholic University of Leuven, 3000 Leuven, Belgium;
- Department of Endocrinology, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Oscar Rosero Olarte
- Clinical Endocrinology, Asociación Colombiana de Osteoporosis, Bogotá 500005, Colombia;
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Gáll Z, Székely O. Role of Vitamin D in Cognitive Dysfunction: New Molecular Concepts and Discrepancies between Animal and Human Findings. Nutrients 2021; 13:nu13113672. [PMID: 34835929 PMCID: PMC8620681 DOI: 10.3390/nu13113672] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/13/2021] [Accepted: 10/18/2021] [Indexed: 12/12/2022] Open
Abstract
PURPOSE OF REVIEW increasing evidence suggests that besides the several metabolic, endocrine, and immune functions of 1alpha,25-dihydroxyvitamin D (1,25(OH)2D), the neuronal effects of 1,25(OH)2D should also be considered an essential contributor to the development of cognition in the early years and its maintenance in aging. The developmental disabilities induced by vitamin D deficiency (VDD) include neurological disorders (e.g., attention deficit hyperactivity disorder, autism spectrum disorder, schizophrenia) characterized by cognitive dysfunction. On the other hand, VDD has frequently been associated with dementia of aging and neurodegenerative diseases (e.g., Alzheimer's, Parkinson's disease). RECENT FINDINGS various cells (i.e., neurons, astrocytes, and microglia) within the central nervous system (CNS) express vitamin D receptors (VDR). Moreover, some of them are capable of synthesizing and catabolizing 1,25(OH)2D via 25-hydroxyvitamin D 1alpha-hydroxylase (CYP27B1) and 25-hydroxyvitamin D 24-hydroxylase (CYP24A1) enzymes, respectively. Both 1,25(OH)2D and 25-hydroxyvitamin D were determined from different areas of the brain and their uneven distribution suggests that vitamin D signaling might have a paracrine or autocrine nature in the CNS. Although both cholecalciferol and 25-hydroxyvitamin D pass the blood-brain barrier, the influence of supplementation has not yet demonstrated to have a direct impact on neuronal functions. So, this review summarizes the existing evidence for the action of vitamin D on cognitive function in animal models and humans and discusses the possible pitfalls of therapeutic clinical translation.
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Affiliation(s)
- Zsolt Gáll
- Department of Pharmacology and Clinical Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 540142 Târgu Mureș, Romania
- Correspondence:
| | - Orsolya Székely
- Department of Nephrology/Internal Medicine, Mures County Clinical Hospital, 540103 Târgu Mureș, Romania;
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Arikan S, Kamis F. Effect of vitamin D deficiency on spatial contrast sensitivity function. Clin Exp Optom 2021; 105:733-739. [PMID: 34459358 DOI: 10.1080/08164622.2021.1969212] [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: 10/20/2022] Open
Abstract
CLINICAL RELEVANCE Vitamin D has regulatory effects on non-skeletal tissues including neurons. The contrast sensitivity function occurs as a result of interaction between retinal neurons. BACKGROUND The association between plasma vitamin D deficiency and contrast sensitivity function was investigated. METHODS Forty-one eyes of 41 subjects with vitamin D deficiency with plasma vitamin D level <20 ng/mL (Group 1), and 30 eyes of 30 subjects without vitamin D deficiency with plasma vitamin D level ≥20 ng/mL (Group 2), were included in this prospective study. OPTEC 6500 was used to measure the contrast sensitivity function at all spatial frequencies involving 1.5 cpd, 3 cpd, 6 cpd, 12cpd, and 18 cpd. The average and sectorial retinal nerve fibre layer thickness, the average and minimum ganglion cell-inner plexiform thickness and tear meniscus height were measured by using optical coherence tomography. RESULTS A significant difference was present between Group 1 and Group 2 regarding the plasma vitamin D level (12.4 ± 4.7 ng/mL in Group 1 versus 27.1 ± 6.7 ng/mL in Group 2 p < 0.001). All spatial frequencies of contrast sensitivity function were significantly greater in Group 2 than those in Group 1, as follows: 45 ± 22.6 in Group 1 versus 57.5 ± 20.9 in Group 2, p = 0.08 in 1.5cpd; 71.3 ± 31.3 in Group 1 versus 91.8 ± 27.8 in Group 2, p = 0.001 in 3cpd; 77.9 ± 39.9 in Group 1 versus 100.4 ± 38.4 in Group 2, p = 0.013 in 6cpd; 32 ± 17.5 in Group 1 versus 48.8 ± 25.2 in Group 2, p = 0.002 in 12cpd; and 12.1 ± 5 in Group 1 versus 17.5 ± 9.5 in Group 2, p = 0.001 in 18cpd. However, there were no significant difference between two groups in terms of retinal fibre layer thicknesses, ganglion cell-inner plexiform layer thicknesses, and tear meniscus height. CONCLUSION Vitamin D deficiency can lead to a decrease in contrast sensitivity function that is an indicator of visual quality. This may be an underlying reason for certain visual complaints.
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Affiliation(s)
- Sedat Arikan
- Department of Ophthalmology, Canakkale Onsekiz Mart University, Canakkale, Turkey
| | - Fatih Kamis
- Department of Internal Medicine, Canakkale Onsekiz Mart University, Canakkale, Turkey
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Zhou P, Wolraich ML, Cao AH, Jia FY, Liu B, Zhu L, Liu Y, Li X, Li C, Peng B, Yang T, Chen J, Cheng Q, Li T, Chen L. Adjuvant effects of vitamin A and vitamin D supplementation on treatment of children with attention-deficit/hyperactivity disorder: a study protocol for a randomised, double-blinded, placebo-controlled, multicentric trial in China. BMJ Open 2021; 11:e050541. [PMID: 34135055 PMCID: PMC8211063 DOI: 10.1136/bmjopen-2021-050541] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
INTRODUCTION Approximately 7.2% of children in the world suffer from attention-deficit/hyperactivity disorder (ADHD). Due to the availability of the osmotic-release oral-system methylphenidate, ADHD currently has a remission rate of up to 30.72%. Nevertheless, it has been reported that patients with ADHD tend to exhibit vitamin A and vitamin D deficiency, which may aggravate the symptoms of ADHD. This study aims to determine the effect of vitamin A and vitamin D supplementation as adjunctive therapy to methylphenidate on the symptoms of ADHD. METHODS AND ANALYSIS This is a parallel, prospective, interventional multicentric study. Patients will be enrolled from the southern, central and northern parts of China. A target of 504 patients will be followed for 8 weeks. They will be allocated into three groups (vitamin AD, vitamin D and placebo) and administered the interventions accordingly. Data on changes in the symptoms of ADHD as well as changes in the serum concentrations of vitamin A and vitamin D will be recorded. Both responders and nonresponders based on the sociodemographic and clinical data will also be described to mitigate selection bias. ETHICS AND DISSEMINATION This study is performed in accordance with the Declaration of Helsinki and was approved by the Institutional Review Board of Children's Hospital of Chongqing Medical University, China (approval number: (2019) IRB (STUDY) number 262). The results of the trial will be reported in peer-reviewed scientific journals and academic conferences regardless of the outcomes. TRIAL REGISTRATION NUMBER NCT04284059.
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Affiliation(s)
- Ping Zhou
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Mark Lee Wolraich
- Section of Developmental and Behavioral Pediatrics, University of Oklahoma, Oklahoma City, Oklahoma, USA
| | - Ai-Hua Cao
- Department of Pediatrics, Qilu Hospital of Shandong University, Brain Science Research Institute of Shandong University, Jinan, People's Republic of China
| | - Fei-Yong Jia
- Department of Developmental and Behavioral Pediatrics, The First Hospital of Jilin University, Changchun, People's Republic of China
| | - Bin Liu
- Clinical Pharmacy Research, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Lin Zhu
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Yongfang Liu
- Division of Clinical Nutrition, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Xiaoli Li
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Chao Li
- Department of Child Care, The First People's Hospital of Chongqing Liangjiang New Area, Chongqing, People's Republic of China
| | - Bin Peng
- School of Public Health and Management, Department of Health Statistics, Chongqing Medical University, Chongqing, People's Republic of China
| | - Ting Yang
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Jie Chen
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Qian Cheng
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Tingyu Li
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
| | - Li Chen
- Division of Growth, Development and Mental health of Children and Adolescence, Children's Hospital of Chongqing Medical University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Child Health and Nutrition, Ministry of Education Key Laboratory of Child Development and Disorder, China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders (Chongqing), Chongqing, People's Republic of China
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Kemény LV, Robinson KC, Hermann AL, Walker DM, Regan S, Yew YW, Lai YC, Theodosakis N, Rivera PD, Ding W, Yang L, Beyer T, Loh YHE, Lo JA, van der Sande AAJ, Sarnie W, Kotler D, Hsiao JJ, Su MY, Kato S, Kotler J, Bilbo SD, Chopra V, Salomon MP, Shen S, Hoon DSB, Asgari MM, Wakeman SE, Nestler EJ, Fisher DE. Vitamin D deficiency exacerbates UV/endorphin and opioid addiction. SCIENCE ADVANCES 2021; 7:7/24/eabe4577. [PMID: 34117054 PMCID: PMC8195487 DOI: 10.1126/sciadv.abe4577] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
The current opioid epidemic warrants a better understanding of genetic and environmental factors that contribute to opioid addiction. Here we report an increased prevalence of vitamin D (VitD) deficiency in patients diagnosed with opioid use disorder and an inverse and dose-dependent association of VitD levels with self-reported opioid use. We used multiple pharmacologic approaches and genetic mouse models and found that deficiencies in VitD signaling amplify exogenous opioid responses that are normalized upon restoration of VitD signaling. Similarly, physiologic endogenous opioid analgesia and reward responses triggered by ultraviolet (UV) radiation are repressed by VitD signaling, suggesting that a feedback loop exists whereby VitD deficiency produces increased UV/endorphin-seeking behavior until VitD levels are restored by cutaneous VitD synthesis. This feedback may carry the evolutionary advantage of maximizing VitD synthesis. However, unlike UV exposure, exogenous opioid use is not followed by VitD synthesis (and its opioid suppressive effects), contributing to maladaptive addictive behavior.
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Affiliation(s)
- Lajos V Kemény
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kathleen C Robinson
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Andrea L Hermann
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Deena M Walker
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Susan Regan
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Yi Chun Lai
- Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Nicholas Theodosakis
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Phillip D Rivera
- Program in Neuroscience, Harvard Medical School, Boston, MA, USA
- Department of Pediatrics, Lurie Center for Autism, Massachusetts General Hospital for Children, Boston, MA, USA
- Department of Biology, Hope College, Holland, MI, USA
| | - Weihua Ding
- MGH Center for Translational Pain Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Liuyue Yang
- MGH Center for Translational Pain Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Tobias Beyer
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Yong-Hwee E Loh
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- USC Libraries Bioinformatics Services, University of Southern California, Los Angeles, CA, USA
| | - Jennifer A Lo
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Anita A J van der Sande
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - William Sarnie
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - David Kotler
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Jennifer J Hsiao
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Mack Y Su
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Shinichiro Kato
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Joseph Kotler
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Staci D Bilbo
- Program in Neuroscience, Harvard Medical School, Boston, MA, USA
- Department of Pediatrics, Lurie Center for Autism, Massachusetts General Hospital for Children, Boston, MA, USA
| | - Vanita Chopra
- Department of Neurology, Harvard Medical School, Massachusetts General Hospital, Charlestown, MA, USA
| | - Matthew P Salomon
- Department of Translational Molecular Medicine, Division of Molecular Oncology, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA, USA
| | - Shiqian Shen
- MGH Center for Translational Pain Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Dave S B Hoon
- Department of Translational Molecular Medicine, Division of Molecular Oncology, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, CA, USA
| | - Maryam M Asgari
- Department of Dermatology, Massachusetts General Hospital and Department of Population Medicine, Harvard Medical School, Boston, MA, USA
| | - Sarah E Wakeman
- Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Eric J Nestler
- Nash Family Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - David E Fisher
- Cutaneous Biology Research Center, Department of Dermatology and Cancer Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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Eyles DW. How do established developmental risk-factors for schizophrenia change the way the brain develops? Transl Psychiatry 2021; 11:158. [PMID: 33686066 PMCID: PMC7940420 DOI: 10.1038/s41398-021-01273-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/08/2021] [Accepted: 02/05/2021] [Indexed: 12/21/2022] Open
Abstract
The recognition that schizophrenia is a disorder of neurodevelopment is widely accepted. The original hypothesis was coined more than 30 years ago and the wealth of supportive epidemiologically data continues to grow. A number of proposals have been put forward to suggest how adverse early exposures in utero alter the way the adult brain functions, eventually producing the symptoms of schizophrenia. This of course is extremely difficult to study in developing human brains, so the bulk of what we know comes from animal models of such exposures. In this review, I will summarise the more salient features of how the major epidemiologically validated exposures change the way the brain is formed leading to abnormal function in ways that are informative for schizophrenia symptomology. Surprisingly few studies have examined brain ontogeny from embryo to adult in such models. However, where there is longitudinal data, various convergent mechanisms are beginning to emerge involving stress and immune pathways. There is also a surprisingly consistent alteration in how very early dopamine neurons develop in these models. Understanding how disparate epidemiologically-validated exposures may produce similar developmental brain abnormalities may unlock convergent early disease-related pathways/processes.
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Affiliation(s)
- Darryl W. Eyles
- grid.1003.20000 0000 9320 7537Queensland Brain Institute, University of Queensland, Brisbane, 4072 QLD Australia ,grid.417162.70000 0004 0606 3563Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Wacol, 4076 QLD Australia
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Abstract
OBJECTIVE Vitamin D deficiency may be a clinical problem in patients with addictions. The authors systematically searched for studies addressing vitamin D and addiction and develop a hypothesis which can direct future research of the possible mechanistic role of vitamin D in the process of addiction. METHODS Systematic review of the literature found in PubMed and EMBASE followed by narrative review combined with clinical experiences leading to hypotheses for future research. RESULTS Only five articles were identified about a role of vitamin D in the pathophysiology of addiction. Their results are in line with a possible influence of vitamin D in dopaminergic transmission. The cerebral vitamin D status depends on the functionality of genetic variants of vitamin D receptor and other involved genes. Routine serum calcidiol levels may not adequately reflect cerebral vitamin D status. Uncertainty exists regarding appropriate calcidiol blood levels and proper dosages for affecting the central nervous system (CNS). CONCLUSIONS The putative pathophysiological role of vitamin D in substance abuse has been insufficiently studied which calls to more studies how to measure cerebral vitamin D status in clinical practice. Research is indicated whether vitamin D supplementation should use higher dosages and aim to reach higher calcidiol serum levels. Measuring dopaminergic functioning within the prefrontal cortex as reflected by neuropsychological tests selected as suitable could be a appropriate proxy for the cerebral vitamin D status when studying the pharmacogenomics of this functionality in patients.
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Abstract
Many epidemiological studies have highlighted the link between vitamin D deficiency and schizophrenia. In particular, two prominent studies report an association between neonatal vitamin D deficiency and an increased risk of schizophrenia. In parallel, much has been learnt about the role of vitamin D in the developing central nervous system over the last two decades. Studies in rodent models of developmental vitamin D (DVD)-deficiency describe how brain development is altered leading to a range of neurobiological and behavioral phenotypes of interest to schizophrenia. While glutamate and gamma aminobutyric acid (GABA) systems have been little investigated in these models, alterations in developing dopamine systems are frequently reported. There have been far more studies reporting patients with schizophrenia have an increased risk of vitamin D deficiency compared to well controls. Here we have conducted a systematic review and meta-analysis that basically confirms this association and extends this to first-episode psychosis. However, patients with schizophrenia also have poorer general health, poorer diets, are frequently less active and also have an increased risk of other medical conditions, all factors which reduce circulating vitamin D levels. Therefore, we would urge caution in any causal interpretation of this association. We also summarize the inconsistent results from existing vitamin D supplementation trials in patients with schizophrenia. In respect to animal models of adult vitamin D deficiency, such exposures produce subtle neurochemical alterations and effects on cognition but do not appear to produce behavioral phenotypes of relevance to schizophrenia. We conclude, the hypothesis that vitamin D deficiency during early life may increase the risk of schizophrenia remains plausible and warrants ongoing research.
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Zhu C, Zhang Y, Wang T, Lin Y, Yu J, Xia Q, Zhu P, Zhu DM. Vitamin D supplementation improves anxiety but not depression symptoms in patients with vitamin D deficiency. Brain Behav 2020; 10:e01760. [PMID: 32945627 PMCID: PMC7667301 DOI: 10.1002/brb3.1760] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/10/2020] [Accepted: 06/28/2020] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE Epidemiological evidence indicated a relationship between vitamin D (VD) and depression with anxiety, but their therapeutic relationship has not been fully elucidated. This study aimed to examine whether VD supplementation would relieve symptoms in patients with depression and anxiety with low serum 25-hydroxy VD [25(OH) D] levels. METHOD Participants with low 25(OH)D levels were randomized to control or daily VD group and were followed up for 6 months. Serum concentrations of 25(OH) D were measured using commercial kits. Psychological symptoms were evaluated with the Hamilton Depression Rating Scale-17 (HAMD-17), Revised Social Anhedonia Scale (RSAS), Revised Physical Anhedonia scale (RPAS), and Hamilton Anxiety Rating Scale-14 (HAMA-14). The trial was listed in the trial registration (http://www.medresman.org.cn/uc/index.aspx; NTR number: ChiCTR2000030130). RESULTS In this clinical population, no significant difference in depression symptoms was detected between VD group and control group at both baseline and at the endpoint of our study. The HAMD-17, RSAS, and RPAS scores did not change significantly between VD and control groups from baseline to endpoint (all p > .05). However, there was a significant difference in time effect of the total HAMA-14 scores between the two groups (β [95% Cl] = -2.235 [-3.818, -0.653], p = .006). CONCLUSIONS Vitamin D supplementation could improve the anxiety symptoms but not depressive symptoms in depressive patients with low VD level after the 6-month intervention.
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Affiliation(s)
- Cuizhen Zhu
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
| | - Yu Zhang
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
| | - Ting Wang
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
| | - Yezhe Lin
- Department of Psychiatry, University of Rochester Medical Center, Rochester, NY, USA
| | - Jiakuai Yu
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
| | - Qingrong Xia
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
| | - Peng Zhu
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China
| | - Dao-Min Zhu
- Department of Sleep Disorders, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,Hefei Fourth People's Hospital, Hefei, China.,Anhui Mental Health Center, Hefei, China
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46
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Abstract
It has been 20 years since we first proposed vitamin D as a "possible" neurosteroid.( 1 ) Our work over the last two decades, particularly results from our cellular and animal models, has confirmed the numerous ways in which vitamin D differentiates the developing brain. As a result, vitamin D can now confidently take its place among all other steroids known to regulate brain development.( 2 ) Others have concentrated on the possible neuroprotective functions of vitamin D in adult brains. Here these data are integrated, and possible mechanisms outlined for the various roles vitamin D appears to play in both developing and mature brains and how such actions shape behavior. There is now also good evidence linking gestational and/or neonatal vitamin D deficiency with an increased risk of neurodevelopmental disorders, such as schizophrenia and autism, and adult vitamin D deficiency with certain degenerative conditions. In this mini-review, the focus is on what we have learned over these past 20 years regarding the genomic and nongenomic actions of vitamin D in shaping brain development, neurophysiology, and behavior in animal models. © 2020 The Author. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Darryl Walter Eyles
- Queensland Centre for Mental Health Research The Park Centre for Mental Health Wacol Australia.,Queensland Brain Institute University of Queensland St. Lucia Queensland Australia
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47
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García-Serna AM, Morales E. Neurodevelopmental effects of prenatal vitamin D in humans: systematic review and meta-analysis. Mol Psychiatry 2020; 25:2468-2481. [PMID: 30696940 DOI: 10.1038/s41380-019-0357-9] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 12/13/2018] [Accepted: 01/11/2019] [Indexed: 12/29/2022]
Abstract
Diverse studies have investigated the impact of prenatal exposure to vitamin D levels on brain development; however, evidence in humans has never been systematically reviewed. This article summarized evidence of the association between 25-hydroxyvitamin D [25(OH)D] levels in maternal blood in pregnancy or newborn blood at birth and neurodevelopmental outcomes, including cognition, psychomotor performance, language development, behavioral difficulties, attention deficit and hyperactivity disorder (ADHD), and autistic traits. PubMed, Web of Science and SCOPUS databases were systematically searched for epidemiologic studies published through May 2018 using keywords. Random-effects meta-analyses were conducted. Of 260 identified articles, 25 were included in the present review. Comparing the highest vs. the lowest category of prenatal 25(OH)D levels, the pooled beta coefficients were 0.95 (95% CI -0.03, 1.93; p = 0.05) for cognition, and 0.88 (95% CI -0.18, 1.93; p = 0.10) for psychomotor development. The pooled relative risk for ADHD was 0.72 (95% CI, 0.59, 0.89; p = 0.002), and the pooled odds ratio for autism-related traits was 0.42 (95% CI, 0.25, 0.71; p = 0.001). There was little evidence for protective effects of high prenatal 25(OH)D for language development and behavior difficulties. This meta-analysis provides supporting evidence that increased prenatal exposure to 25(OH)D levels is associated with improved cognitive development and reduced risk of ADHD and autism-related traits later in life. Associations represent a potentially high public health burden given the current prevalence of vitamin D deficiency and insufficiency among childbearing aging and pregnant women.
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Affiliation(s)
- Azahara M García-Serna
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), Murcia, Spain.,University of Murcia, Murcia, Spain
| | - Eva Morales
- Biomedical Research Institute of Murcia (IMIB-Arrixaca), Murcia, Spain. .,University of Murcia, Murcia, Spain. .,CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain.
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48
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Lv L, Tan X, Peng X, Bai R, Xiao Q, Zou T, Tan J, Zhang H, Wang C. The relationships of vitamin D, vitamin D receptor gene polymorphisms, and vitamin D supplementation with Parkinson's disease. Transl Neurodegener 2020; 9:34. [PMID: 32867847 PMCID: PMC7460797 DOI: 10.1186/s40035-020-00213-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 08/06/2020] [Indexed: 12/13/2022] Open
Abstract
In recent years, many studies have investigated the correlations between Parkinson's disease (PD) and vitamin D status, but the conclusion remains elusive. The present review focuses on the associations between PD and serum vitamin D levels by reviewing studies on the associations of PD with serum vitamin D levels and vitamin D receptor (VDR) gene polymorphisms from PubMed, Web of Science, Cochrane Library, and Embase databases. We found that PD patients have lower vitamin D levels than healthy controls and that the vitamin D concentrations are negatively correlated with PD risk and severity. Furthermore, higher vitamin D concentrations are linked to better cognitive function and mood in PD patients. Findings on the relationship between VDR gene polymorphisms and the risk of PD are inconsistent, but the FokI (C/T) polymorphism is significantly linked with PD. The occurrence of FokI (C/T) gene polymorphism may influence the risk, severity, and cognitive ability of PD patients, while also possibly influencing the effect of Vitamin D3 supplementation in PD patients. In view of the neuroprotective effects of vitamin D and the close association between vitamin D and dopaminergic neurotransmission, interventional prospective studies on vitamin D supplementation in PD patients should be conducted in the future.
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Affiliation(s)
- Lingling Lv
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Xuling Tan
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Xinke Peng
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Rongrong Bai
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Qile Xiao
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Ting Zou
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Jieqiong Tan
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078, China
- Hunan Key Laboratory of Animal Models for Human Diseases, Central South University, Changsha, 410078, China
- Hunan Key Laboratory of Medical Genetics, Central South University, Changsha, 410078, China
| | - Hainan Zhang
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Chunyu Wang
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
- Department of Medical Genetics, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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49
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Tobore TO. On the Etiopathogenesis and Pathophysiology of Alzheimer's Disease: A Comprehensive Theoretical Review. J Alzheimers Dis 2020; 68:417-437. [PMID: 30775973 DOI: 10.3233/jad-181052] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Alzheimers' disease (AD) is the most common cause of dementia, with an estimated 5 million new cases occurring annually. Among the elderly, AD shortens life expectancy, results in disability, decreases quality of life, and ultimately, leads to institutionalization. Despite extensive research in the last few decades, its heterogeneous pathophysiology and etiopathogenesis have made it difficult to develop an effective treatment and prevention strategy. Aging is the biggest risk factor for AD and evidence suggest that the total number of older people in the population is going to increase astronomically in the next decades. Also, there is evidence that air pollution and increasing income inequality may result in higher incidence and prevalence of AD. This makes the need for a comprehensive understanding of the etiopathogenesis and pathophysiology of the disease extremely critical. In this paper, a quintuple framework of thyroid dysfunction, vitamin D deficiency, sex hormones, and mitochondria dysfunction and oxidative stress are used to provide a comprehensive description of AD etiopathogenesis and pathophysiology. The individual role of each factor, their synergistic and genetic interactions, as well as the limitations of the framework are discussed.
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50
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Ogbu D, Xia E, Sun J. Gut instincts: vitamin D/vitamin D receptor and microbiome in neurodevelopment disorders. Open Biol 2020; 10:200063. [PMID: 32634371 PMCID: PMC7574554 DOI: 10.1098/rsob.200063] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The gut microbiome regulates a relationship with the brain known as the gut–microbiota–brain (GMB) axis. This interaction is influenced by immune cells, microbial metabolites and neurotransmitters. Recent findings show gut dysbiosis is prevalent in autism spectrum disorder (ASD) as well as attention deficit hyperactivity disorder (ADHD). There are previously established negative correlations among vitamin D, vitamin D receptor (VDR) levels and severity of ASD as well as ADHD. Both vitamin D and VDR are known to regulate homeostasis in the brain and the intestinal microbiome. This review summarizes the growing relationship between vitamin D/VDR signalling and the GMB axis in ASD and ADHD. We focus on current publications and summarize the progress of GMB in neurodevelopmental disorders, describe effects and mechanisms of vitamin D/VDR in regulating the microbiome and synoptically highlight the potential applications of targeting vitamin D/VDR signalling in neurodevelopment disorders.
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Affiliation(s)
- Destiny Ogbu
- Division of Gastroenterology and Hepatology, Medicine, University of Illinois at Chicago, Chicago 60612, IL, USA
| | - Eric Xia
- Division of Gastroenterology and Hepatology, Medicine, University of Illinois at Chicago, Chicago 60612, IL, USA.,Marian University College of Osteopathic Medicine, Indianapolis, IN, USA
| | - Jun Sun
- Division of Gastroenterology and Hepatology, Medicine, University of Illinois at Chicago, Chicago 60612, IL, USA.,UIC Cancer Center, Chicago, IL, USA
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