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Zhao S, Chen X, Wan Z, Geng T, Lu Q, Yu H, Lin X, Pan A, Liu G. Associations of serum 25-hydroxyvitamin D and vitamin D receptor polymorphisms with risks of cardiovascular disease and mortality among patients with chronic kidney disease: a prospective study. Am J Clin Nutr 2024; 119:1397-1404. [PMID: 38608754 DOI: 10.1016/j.ajcnut.2024.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Evidence regarding the relationships of serum 25-hydroxyvitamin D [25(OH)D] with cardiovascular diseases (CVD) and mortality among patients with chronic kidney disease (CKD) is limited and inconsistent. OBJECTIVES This study aimed to investigate the associations between serum 25(OH)D and CVD incidence and mortality among patients with CKD. METHODS This prospective study included 21,507 participants with CKD and free of CVD in the UK Biobank. Incidences of total and subtypes of CVD and mortality were ascertained via electronic health records. Cox proportional hazard regression models were used to estimate the hazard ratios (HRs) and 95% confidential intervals (CIs) for CVD incidence and mortality. RESULTS The median serum 25(OH)D concentration was 44.0 nmol/L (interquartile range: 30.1, 60.6 nmol/L). After multivariable adjustment, compared with CKD patients with serum 25(OH)D concentrations of <25 nmol/L, those with serum 25(OH)D ≥75 nmol/L had HRs (95% CIs) of 0.80 (0.71, 0.90) for total CVD incidence, 0.82 (0.69, 0.97) for ischemic heart disease, 0.56 (0.41, 0.77) for stroke, 0.64 (0.46, 0.88) for myocardial infarction, 0.62 (0.49, 0.80) for heart failure, 0.60 (0.43, 0.85) for CVD mortality, and 0.62 (0.52, 0.74) for all-cause mortality. In addition, these associations were not modified by vitamin D receptor polymorphisms, with no significant interaction detected. CONCLUSIONS Higher serum 25(OH)D concentrations were significantly associated with lower risks of total and subtypes of CVD incidence and mortality among individuals with CKD. These findings highlight the importance of maintaining adequate vitamin D status in the prevention of CVD and mortality in patients with CKD.
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Affiliation(s)
- Shiyu Zhao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xue Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenzhen Wan
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tingting Geng
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Lu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hancheng Yu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoyu Lin
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - An Pan
- Department of Epidemiology and Biostatistics, Ministry of Education Key Laboratory of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Liu
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment and Health, and State Key Laboratory of Environment Health (Incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Bánáti D, Hellman-Regen J, Mack I, Young HA, Benton D, Eggersdorfer M, Rohn S, Dulińska-Litewka J, Krężel W, Rühl R. Defining a vitamin A5/X specific deficiency - vitamin A5/X as a critical dietary factor for mental health. INT J VITAM NUTR RES 2024; 94:443-475. [PMID: 38904956 DOI: 10.1024/0300-9831/a000808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
A healthy and balanced diet is an important factor to assure a good functioning of the central and peripheral nervous system. Retinoid X receptor (RXR)-mediated signaling was identified as an important mechanism of transmitting major diet-dependent physiological and nutritional signaling such as the control of myelination and dopamine signalling. Recently, vitamin A5/X, mainly present in vegetables as provitamin A5/X, was identified as a new concept of a vitamin which functions as the nutritional precursor for enabling RXR-mediated signaling. The active form of vitamin A5/X, 9-cis-13,14-dehydroretinoic acid (9CDHRA), induces RXR-activation, thereby acting as the central switch for enabling various heterodimer-RXR-signaling cascades involving various partner heterodimers like the fatty acid and eicosanoid receptors/peroxisome proliferator-activated receptors (PPARs), the cholesterol receptors/liver X receptors (LXRs), the vitamin D receptor (VDR), and the vitamin A(1) receptors/retinoic acid receptors (RARs). Thus, nutritional supply of vitamin A5/X might be a general nutritional-dependent switch for enabling this large cascade of hormonal signaling pathways and thus appears important to guarantee an overall organism homeostasis. RXR-mediated signaling was shown to be dependent on vitamin A5/X with direct effects for beneficial physiological and neuro-protective functions mediated systemically or directly in the brain. In summary, through control of dopamine signaling, amyloid β-clearance, neuro-protection and neuro-inflammation, the vitamin A5/X - RXR - RAR - vitamin A(1)-signaling might be "one of" or even "the" critical factor(s) necessary for good mental health, healthy brain aging, as well as for preventing drug addiction and prevention of a large array of nervous system diseases. Likewise, vitamin A5/X - RXR - non-RAR-dependent signaling relevant for myelination/re-myelination and phagocytosis/brain cleanup will contribute to such regulations too. In this review we discuss the basic scientific background, logical connections and nutritional/pharmacological expert recommendations for the nervous system especially considering the ageing brain.
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Affiliation(s)
- Diána Bánáti
- Department of Food Engineering, Faculty of Engineering, University of Szeged, Hungary
| | - Julian Hellman-Regen
- Department of Psychiatry, Charité-Campus Benjamin Franklin, Section Neurobiology, University Medicine Berlin, Germany
| | - Isabelle Mack
- Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Germany
| | - Hayley A Young
- Faculty of Medicine, Health and Life Sciences, Swansea University, UK
| | - David Benton
- Faculty of Medicine, Health and Life Sciences, Swansea University, UK
| | - Manfred Eggersdorfer
- Department of Healthy Ageing, University Medical Center Groningen (UMCG), The Netherlands
| | - Sascha Rohn
- Department of Food Chemistry and Analysis, Institute of Food Technology and Food Chemistry, Technische Universität Berlin, Germany
| | | | - Wojciech Krężel
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Inserm U1258, CNRS UMR 7104, Université de Strasbourg, Illkirch, France
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3
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Goh XX, Tee SF, Tang PY, Chee KY, Loh KKW. Impact of body mass index elevation, Vitamin D receptor polymorphisms and antipsychotics on the risk of Vitamin D deficiency in schizophrenia patients. J Psychiatr Res 2024; 175:350-358. [PMID: 38761517 DOI: 10.1016/j.jpsychires.2024.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/27/2024] [Accepted: 05/02/2024] [Indexed: 05/20/2024]
Abstract
Antipsychotics with weight gain as side effect and vitamin D receptor dysfunction associated with single nucleotide polymorphisms (VDR SNPs) may have different effects on vitamin D status. Hence, present study aimed to investigate the relationship between vitamin D with body mass index (BMI), antipsychotics and VDR SNPs (rs2228570, rs1544410, rs7975232 and rs731236) in Malaysian patients with schizophrenia. Serum vitamin D level was measured using competitive enzyme-linked immunosorbent assay kit. VDR SNPs were analyzed using polymerase chain reaction-restriction fragment length polymorphism. We found significantly lower serum vitamin D level in patients with schizophrenia (p < 0.01), especially those taking atypical antipsychotics (p = 0.02) and combined antipsychotics (p = 0.02) and obese (BMI ≥27.5 kg/m2) patients (p = 0.04) after adjustment for covariates. For VDR SNPs, the CT genotype of rs1544410, CA genotype of rs7975232, and AA and AG genotypes of rs731236 may contribute to the significant decreased serum vitamin D level in patients (p < 0.05). Nevertheless, these relationships may differ by populations or medical conditions. The hypotheses of volumetric dilution and sequestration of vitamin D may explain the lower vitamin D level in obese patients. In addition, lifestyle factors such as poor diet and lack of physical activity with less sunlight exposure may cause reduced vitamin D level among patients. As patients in present study were prescribed with various antipsychotics, the effect of each antipsychotic on vitamin D level could not be determined. Thus, future studies should investigate the effect of different types of antipsychotics and obesity on vitamin D level in schizophrenia.
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Affiliation(s)
- Xue Xin Goh
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia
| | - Shiau Foon Tee
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia.
| | - Pek Yee Tang
- Department of Mechatronics and Biomedical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Bandar Sungai Long, Cheras, 43000, Kajang, Malaysia
| | - Kok Yoon Chee
- Department of Psychiatry and Mental Health, Hospital Kuala Lumpur, Jalan Pahang, 50586, Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia
| | - Kenny Kien Woon Loh
- Medic Clinic (Family Medicine Specialist Clinic), Jalan Menjalara Idaman, Bandar Menjalara, Kepong, 52200, Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia
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Jeong SP, Sharma N, An SSA. Role of Calcitriol and Vitamin D Receptor ( VDR) Gene Polymorphisms in Alzheimer's Disease. Int J Mol Sci 2024; 25:4806. [PMID: 38732025 PMCID: PMC11084202 DOI: 10.3390/ijms25094806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 02/21/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Alzheimer's disease (AD) is characterized by amyloid beta (Aβ) buildup and neuronal degeneration. An association between low serum vitamin D levels and an increased risk of AD has been reported in several epidemiological studies. Calcitriol (1,25-dihydroxycholecalciferol) is the active form of vitamin D, and is generated in the kidney and many other tissues/organs, including the brain. It is a steroid hormone that regulates important functions like calcium/phosphorous levels, bone mineralization, and immunomodulation, indicating its broader systemic significance. In addition, calcitriol confers neuroprotection by mitigating oxidative stress and neuroinflammation, promoting the clearance of Aβ, myelin formation, neurogenesis, neurotransmission, and autophagy. The receptors to which calcitriol binds (vitamin D receptors; VDRs) to exert its effects are distributed over many organs and tissues, representing other significant roles of calcitriol beyond sustaining bone health. The biological effects of calcitriol are manifested through genomic (classical) and non-genomic actions through different pathways. The first is a slow genomic effect involving nuclear VDR directly affecting gene transcription. The association of AD with VDR gene polymorphisms relies on the changes in vitamin D consumption, which lowers VDR expression, protein stability, and binding affinity. It leads to the altered expression of genes involved in the neuroprotective effects of calcitriol. This review summarizes the neuroprotective mechanism of calcitriol and the role of VDR polymorphisms in AD, and might help develop potential therapeutic strategies and markers for AD in the future.
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Affiliation(s)
| | - Niti Sharma
- Bionano Research Institute, Gachon University, 1342 Seongnam-daero, Sujung-gu, Seongnam-si 461-701, Republic of Korea
| | - Seong Soo A. An
- Bionano Research Institute, Gachon University, 1342 Seongnam-daero, Sujung-gu, Seongnam-si 461-701, Republic of Korea
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Du Y, Geng P, Chen Q, Han L, Liu L, Yang M, Tan M, Meng J, Sun X, Feng L. Associations of vitamin D receptor polymorphisms with risk of Alzheimer's disease, Parkinson's disease, and mild cognitive impairment: a systematic review and meta-analysis. Front Aging Neurosci 2024; 16:1377058. [PMID: 38681668 PMCID: PMC11047136 DOI: 10.3389/fnagi.2024.1377058] [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: 01/26/2024] [Accepted: 03/22/2024] [Indexed: 05/01/2024] Open
Abstract
Vitamin D is a lipid soluble steroid hormone, which plays a critical role in the calcium homeostasis, neuronal development, cellular differentiation, and growth by binding to vitamin D receptor (VDR). Associations between VDR gene polymorphism and Alzheimer's disease (AD), Parkinson's disease (PD), and mild cognitive impairment (MCI) risk has been investigated extensively, but the results remain ambiguous. The aim of this study was to comprehensively assess the correlations between four VDR polymorphisms (FokI, BsmI, TaqI, and ApaI) and susceptibility to AD, PD, and MCI. Crude odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to determine the relationship of interest. Pooled analyses suggested that the ApaI polymorphism decreased the overall AD risk, and the TaqI increased the overall PD susceptibility. In addition, the BsmI and ApaI polymorphisms were significantly correlated with the overall MCI risk. Stratified analysis by ethnicity further showed that the TaqI and ApaI genotypes reduced the AD predisposition among Caucasians, while the TaqI polymorphism enhanced the PD risk among Asians. Intriguingly, carriers with the BB genotype significantly decreased the MCI risk in Asian descents, and the ApaI variant elevated the predisposition to MCI in Caucasians and Asians. Further studies are need to identify the role of VDR polymorphisms in AD, PD, and MCI susceptibility.
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Affiliation(s)
- Yanjun Du
- Department of Encephalopathy, Weifang Hospital of Traditional Chinese Medicine, Weifang, Shandong, China
| | - Peizhen Geng
- School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China
| | - Qunqun Chen
- Department of Rehabilitation, Weifang Brain Hospital, Weifang, Shandong, China
| | - Laixi Han
- Department of Rehabilitation, Weifang Brain Hospital, Weifang, Shandong, China
| | - Lu Liu
- Department of Occupational Diseases, Weifang People’s Hospital, Weifang, Shandong, China
| | - Maoquan Yang
- School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China
| | - Mingzhu Tan
- Department of Occupational Diseases, Weifang People’s Hospital, Weifang, Shandong, China
| | - Jun Meng
- Department of Occupational Diseases, Weifang People’s Hospital, Weifang, Shandong, China
| | - Xiaojuan Sun
- Department of Occupational Diseases, Weifang People’s Hospital, Weifang, Shandong, China
| | - Lidan Feng
- Department of Rehabilitation, Weifang People’s Hospital, Weifang, Shandong, China
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6
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Cusato J, Cafasso C, Antonucci M, Palermiti A, Manca A, Caviglia GP, Vernero M, Armandi A, Saracco GM, D’Avolio A, Ribaldone DG. Correlation between Polymorphisms of Vitamin D Metabolism Genes and Perianal Disease in Crohn's Disease. Biomedicines 2024; 12:320. [PMID: 38397922 PMCID: PMC10886824 DOI: 10.3390/biomedicines12020320] [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: 01/10/2024] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Although the role of vitamin D (VD) in the pathogenesis and progression of Crohn's disease (CD) is known, the association between single-nucleotide polymorphisms (SNPs) of genes linked to vitamin D pathway and CD risk is still under study. Furthermore, no significant association has been previously found between these SNPs and perianal CD (pCD), a severe phenotypic manifestation of CD that may present as perianal fistula, abscess, and recto-vaginal fistula. Among the mechanisms involved in its pathogenesis, local inflammation and intestinal microbiota alteration are recognized. VD seems to act on these elements. The aim of this study was to evaluate the presence of an association between SNPs of genes coding for enzymes, transporters, and receptors involved in the VD pathway and the occurrence of pCD. Blood samples of 206 patients with CD, including 34 with pCD, were analyzed for VDR, CYP27B1, CYP24A1, and GC genetic variants. VDR Apal Aa genotype and VDR BsmI Bb genotype resulted in an association with pCD (p = 0.01 and p = 0.02, respectively). Our study demonstrates for the first time the impact of the polymorphisms of genes associated with the VD pathway on the onset of pCD. Future multicenter studies are needed to confirm these data.
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Affiliation(s)
- Jessica Cusato
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Carla Cafasso
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Miriam Antonucci
- SCDU Infectious Diseases, Amedeo di Savoia Hospital, ASL Città di Torino, 10149 Turin, Italy;
| | - Alice Palermiti
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Alessandra Manca
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Gian Paolo Caviglia
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Marta Vernero
- Gastroenterology-U, “Città della Salute e della Scienza” Hospital, 10126 Turin, Italy;
| | - Angelo Armandi
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Giorgio Maria Saracco
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Antonio D’Avolio
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
| | - Davide Giuseppe Ribaldone
- Department of Medical Sciences, Division of Gastroenterology, University of Torino, 10126 Turin, Italy; (J.C.); (C.C.); (A.P.); (A.M.); (G.P.C.); (A.A.); (G.M.S.); (A.D.)
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García‐Martín E, Navarro‐Muñoz S, Ayuso P, Rodríguez C, Serrador M, Alonso‐Navarro H, Calleja M, Espada‐Rubio S, Navacerrada F, Turpín‐Fenoll L, Recio‐Bermejo M, García‐Ruiz R, Millán‐Pascual J, Plaza‐Nieto JF, García‐Albea E, Agúndez JA, Jiménez‐Jiménez FJ. Vitamin D receptor and binding protein genes variants in patients with migraine. Ann Clin Transl Neurol 2023; 10:1824-1832. [PMID: 37553799 PMCID: PMC10578880 DOI: 10.1002/acn3.51872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/20/2023] [Accepted: 07/22/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND/OBJECTIVES Several studies have shown a relationship between vitamin D and migraine, including the association between decreased serum 25-hydroxyvitamin D in patients with migraine and the positive effects of vitamin D supplementations in the therapy of this disease. Two single-nucleotide variants (SNVs) vitamin D receptor (VDR) gene, VDR rs2228570, and VDR rs731236 have shown an association with migraine risk in a previous case-control association study, while an exome sequencing study identified a rare variant in GC vitamin D binding protein gene. This study aims to look for the association between several common variants in these two genes and the risk for migraine. METHODS We genotyped 290 patients diagnosed with migraine and 300 age-matched controls using specific TaqMan assays for VDR rs2228570, VDR rs731236, VDR rs7975232, VDR rs739837, VDR rs78783628, GC rs7041, and GC rs4588 SNVs. RESULTS We did not find an association between these SNVs and the risk for migraine. None of these SNVs were related to the positivity of a family history of migraine or with the presence of aura. The VDR rs731236A allele showed a significant association with the triggering of migraine attacks by ethanol (Pc = 0.007). CONCLUSIONS In summary, the results of the current study suggest a lack of association between common SNVs in the VDR and GC gene and the risk of developing migraine. The possible relationship between VDR rs731236 and the triggering of migraine episodes with ethanol deserves future studies.
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Affiliation(s)
- Elena García‐Martín
- Universidad de Extremadura, University Institute of Molecular Pathology BiomarkersCáceresSpain
| | | | - Pedro Ayuso
- Universidad de Extremadura, University Institute of Molecular Pathology BiomarkersCáceresSpain
| | - Christopher Rodríguez
- Universidad de Extremadura, University Institute of Molecular Pathology BiomarkersCáceresSpain
| | - Mercedes Serrador
- Department of Family MedicineHospital “Príncipe de Asturias”, Universidad de AlcaláAlcalá de Henares, MadridSpain
| | | | - Marisol Calleja
- Section of NeurologyHospital Universitario del SuresteMadridSpain
| | | | | | | | | | | | | | | | - Esteban García‐Albea
- Department of Medicine‐NeurologyUniversidad de AlcaláAlcalá de Henares, MadridSpain
| | - José A.G. Agúndez
- Universidad de Extremadura, University Institute of Molecular Pathology BiomarkersCáceresSpain
| | - Félix Javier Jiménez‐Jiménez
- Section of NeurologyHospital Universitario del SuresteMadridSpain
- Department of Medicine‐NeurologyUniversidad de AlcaláAlcalá de Henares, MadridSpain
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Barmaki O, Mansour A, Moodi M, Mirahmad M, Fakhrzadeh H, Arzaghi M, Khorashadi M, Khodabakhshi H, Esmaeili AA, Sharifzadeh G, Zarban A, Sharifi F, Sajjadi-Jazi SM. Serum Vitamin D Status and Cognitive Function in Iranian Older Adults: Evidence from the Birjand Longitudinal Aging Study. J Nutr 2023; 153:2312-2319. [PMID: 37356498 DOI: 10.1016/j.tjnut.2023.06.033] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/14/2023] [Accepted: 06/22/2023] [Indexed: 06/27/2023] Open
Abstract
BACKGROUND There is evidence of the role of vitamin D deficiency in cognitive decline. However, the results of studies regarding the relationship between the reduction of vitamin D concentrations and cognitive impairment are heterogeneous. OBJECTIVES We aimed to answer the question of whether vitamin D deficiency is associated with cognitive decline in older adults. METHODS In this cross-sectional study, the baseline data of the Birjand Longitudinal Aging Study (BLAS) were analyzed. Of 1420 participants in the BLAS, 1219 participants aged ≥60 y old were included in the present study. Serum concentrations of 25-hydroxyvitamin D [25(OH)D] were measured by the enzyme-linked immunosorbent assay method. The 6-item Cognitive Impairment Test (6-CIT), Mini-Mental State Examination (MMSE), Category Fluency Test (CFT), and Abbreviated Mental Test Score (AMTS) were used to assess cognitive function. Multiple logistic regression analysis, adjusted for potential confounders, was employed to estimate the association between cognitive function and 25(OH)D concentrations. RESULTS Among study participants, 905 (74.24%) had sufficient vitamin D concentrations (≥20 ng/ml), 209 (17.15%) had insufficient vitamin D concentrations (12-20 ng/ml), and 105 (8.61%) had vitamin D deficiency (<12 ng/ml). There was no significant correlation between serum 25(OH)D concentrations and scores of 6-CIT (P = 0.279), AMTS (P = 0.181), MMSE (P = 0.118), and CFT (P = 0.259). Also, the prevalence of cognitive impairment had no significant relationship with vitamin D status. Finally, in the multiple logistic regression analysis, there was no association between the insufficient or deficient concentrations of 25(OH)D and impaired cognitive function both before and after adjustment for various cofounders. CONCLUSIONS The present study found no significant association between vitamin D status and cognitive impairment.
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Affiliation(s)
- Ozra Barmaki
- Department of Internal Medicine, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Asieh Mansour
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mitra Moodi
- Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Maryam Mirahmad
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hossein Fakhrzadeh
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoud Arzaghi
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Masoumeh Khorashadi
- Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Huriye Khodabakhshi
- Department of Gerontology, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran; Iranian Research Center of Aging, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran
| | - Ali Akbar Esmaeili
- Department of Psychiatry, School of Medicine Medical Toxicology & Drug Abuse Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Gholamreza Sharifzadeh
- Department of Epidemiology and Biostatistics, School of Health, Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Asghar Zarban
- Department of Clinical Biochemistry, School of Medicine, Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Farshad Sharifi
- Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
| | - Sayed Mahmoud Sajjadi-Jazi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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9
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Anwar MJ, Alenezi SK, Alhowail AH. Molecular insights into the pathogenic impact of vitamin D deficiency in neurological disorders. Biomed Pharmacother 2023; 162:114718. [PMID: 37084561 DOI: 10.1016/j.biopha.2023.114718] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/23/2023] Open
Abstract
Neurological disorders are the major cause of disability, leading to a decrease in quality of life by impairing cognitive, sensorimotor, and motor functioning. Several factors have been proposed in the pathogenesis of neurobehavioral changes, including nutritional, environmental, and genetic predisposition. Vitamin D (VD) is an environmental and nutritional factor that is widely distributed in the central nervous system's subcortical grey matter, neurons of the substantia nigra, hippocampus, thalamus, and hypothalamus. It is implicated in the regulation of several brain functions by preserving neuronal structures. It is a hormone rather than a nutritional vitamin that exerts a regulatory role in the pathophysiology of several neurological disorders, including Alzheimer's disease, Parkinson's disease, epilepsy, and multiple sclerosis. A growing body of epidemiological evidence suggests that VD is critical in neuronal development and shows neuroprotective effects by influencing the production and release of neurotrophins, antioxidants, immunomodulatory, regulation of intracellular calcium balance, and direct effect on the growth and differentiation of nerve cells. This review provides up-to-date and comprehensive information on vitamin D deficiency, risk factors, and clinical and preclinical evidence on its relationship with neurological disorders. Furthermore, this review provides mechanistic insight into the implications of vitamin D and its deficiency on the pathogenesis of neurological disorders. Thus, an understanding of the crucial role of vitamin D in the neurobiology of neurodegenerative disorders can assist in the better management of vitamin D-deficient individuals.
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Affiliation(s)
- Md Jamir Anwar
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia
| | - Sattam Khulaif Alenezi
- Department of Pharmacology and Toxicology, Unaizah College of Pharmacy, Qassim University, Qassim, Unaizah 51911, Saudi Arabia.
| | - Ahmad Hamad Alhowail
- Department of Pharmacology and Toxicology, College of Pharmacy, Qassim University, Qassim, Buraydah 51452, Saudi Arabia
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10
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Zhou C, Ye Z, Yang S, Gan X, Zhang Y, Liu M, He P, Zhang Y, Wu Q, Nie J, Qin X. Associations between Serum 25-hydroxyvitamin D, Sun Exposure Time, Dietary Vitamin D Intake, and New-Onset Acute Kidney Injury among 413,169 UK Adults. J Nutr 2023; 153:713-722. [PMID: 36931750 DOI: 10.1016/j.tjnut.2023.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 01/01/2023] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND The prospective associations of serum 25(OH)D, sun exposure time, and dietary vitamin D with risk of acute kidney injury (AKI) are unclear. OBJECTIVES We aimed to evaluate the relations of serum 25(OH)D, sun exposure time, and dietary vitamin D intake with new-onset AKI and examine whether genetic susceptibility modified such associations. METHODS A total of 413,169 participants (mean age was 56.4 y, 47.2% were male) from UK Biobank without prior AKI were included. Sun exposure time was expressed as time spent outdoors. Genetic risk scores were calculated by 263 single nucleotide polymorphisms, which showed significant associations with the estimated glomerular filtration rate. The primary outcome was new-onset AKI. Cox proportional hazards models were used to estimate the HRs and (95% CIs). RESULTS During a median follow-up duration of 12 y, 16,938 (4.1%) participates developed new-onset AKI. Compared with those with serum 25(OH)D <25 nmol/L, significantly lower risks of new-onset AKI were found between participants with 25(OH)D 25 to <50 nmol/L (adjusted HR: 0.76; 95% CI: 0.73, 0.80), and ≥50 nmol/L (adjusted HR: 0.69; 95% CI: 0.65, 0.72). Moreover, in summer, participants who spent ≥4 h outdoors per day (tertile 3) had a significantly lower risk of new-onset AKI (adjusted HR: 0.90; 95% CI: 0.86, 0.95) than those who spent <2 h outdoors per day (tertile 1). Similar results were found for time spent outdoors in winter. In addition, those in quintile 5 of dietary vitamin D intake showed a lower risk of new-onset AKI (≥4.2 μg/d, adjusted HR: 0.90; 95% CI: 0.82, 0.98) than those in quintile 1 (<1.0 μg/d). Genetic risks of kidney diseases did not significantly modify all the 3 above associations (all P-interactions >0.05). CONCLUSIONS Serum 25(OH)D concentrations, time spent outdoors, and dietary vitamin D intake were all inversely associated with new-onset AKI, independent of genetic risks for kidney diseases.
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Affiliation(s)
- Chun Zhou
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Ziliang Ye
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Sisi Yang
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Xiaoqin Gan
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Yanjun Zhang
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Mengyi Liu
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Panpan He
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Yuanyuan Zhang
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Qimeng Wu
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China
| | - Jing Nie
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China.
| | - Xianhui Qin
- Division of Nephrology, Nanfang Hospital, Southern Medical University, National Clinical Research Center for Kidney Disease, State Key Laboratory of Organ Failure Research, Guangdong Provincial Institute of Nephrology, and Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China.
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11
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Charoenngam N, Jaroenlapnopparat A, Mettler SK, Grover A. Genetic Variations of the Vitamin D Metabolic Pathway and COVID-19 Susceptibility and Severity: Current Understanding and Existing Evidence. Biomedicines 2023; 11:biomedicines11020400. [PMID: 36830936 PMCID: PMC9953304 DOI: 10.3390/biomedicines11020400] [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: 01/04/2023] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
The immunomodulatory and metabolic effects of vitamin D receptor (VDR) activation have been considered beneficial in mitigating the susceptibility and severity of COVID-19 infection. Furthermore, vitamin D-binding protein (DBP) has pleiotropic effects on the immune system that may influence inflammation associated with COVID-19. Multiple observational studies have demonstrated an association between low levels of serum 25-hydroxyvitamin D and risk and the severity of COVID-19 infection. However, the impact of vitamin D supplementation as an adjunctive treatment for COVID-19 based on evidence from randomized clinical trials is unclear. Equally important is that certain variations of the genes involved in the vitamin D metabolic pathway have been shown to affect immune function and linked with various clinical outcomes, including cardio-metabolic disorders, autoimmune diseases, infections, and cancers. This indicates inter-individual difference in body response to vitamin D. There is also emerging evidence that common polymorphisms of these genes may influence the susceptibility and severity of COVID-19, although the confidence of these findings is limited by a small number of studies and participants. Further studies are needed to address the potential role of VDR activation and DBP in the pathophysiology of COVID-19 which take into account the genetic variations of vitamin D metabolic pathway.
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Affiliation(s)
- Nipith Charoenngam
- Department of Medicine, Mount Auburn Hospital, Harvard Medical School, Cambridge, MA 02138, USA
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 73170, Thailand
- Correspondence: ; Tel.: +1-617-492-3500
| | | | - Sofia K. Mettler
- Department of Medicine, Mount Auburn Hospital, Harvard Medical School, Cambridge, MA 02138, USA
| | - Ashna Grover
- Department of Medicine, Mount Auburn Hospital, Harvard Medical School, Cambridge, MA 02138, USA
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12
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Zhang K, Ma X, Zhang R, Liu Z, Jiang L, Qin Y, Zhang D, Tian P, Gao Z, Zhang N, Shi Z, Xu S. Crosstalk Between Gut Microflora and Vitamin D Receptor SNPs Are Associated with the Risk of Amnestic Mild Cognitive Impairment in a Chinese Elderly Population. J Alzheimers Dis 2022; 88:357-373. [PMID: 35599486 DOI: 10.3233/jad-220101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background: The interactions between environmental factors and genetic variants have been implicated in the pathogenesis of Alzheimer’s disease (AD). The altered gut microbiota (GM) and vitamin D deficiency are closely associated with the higher risk of AD. Objective: This study was performed to evaluate whether the crosstalk between GM and single nucleotide polymorphisms (SNPs) of vitamin D receptor (VDR) or vitamin D binding protein (VDBP) have a link with the risk of amnestic mild cognitive impairment (aMCI) in the Chinese elderly population. Methods: A total of 171 aMCI patients and 261 cognitive normal controls (NC) were enrolled in this study. Six tag SNPs of VDR and VDBP were genotyped by PCR-RFLP. The serum levels of vitamin D, Aβ1-42, and p-tau (181P) were determined by using of ELISA kits. The alterations in the GM were analyzed by full-length 16S ribosomal RNA (rRNA) gene sequencing. Results: The frequencies of AG genotype and A allele of VDR rs1544410 in aMCI group were significantly higher than that in NC group (genotype: p = 0.002, allele: p = 0.003). Patients with aMCI showed an abnormal GM composition compared with NC group. Interestingly, significant differences in GM composition were found between aMCI and NC group among individuals with AG genotype, as well as between individuals with AG and GG genotype of VDR rs1544410 among patients with aMCI. Conclusion: These results implicated that the crosstalk between gut microflora and vitamin D receptor variants are associated with the risk of aMCI in Chinese elderly population.
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Affiliation(s)
- Kaixia Zhang
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
| | - Xiaoying Ma
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
| | - Rui Zhang
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
| | - Zanchao Liu
- Department ofEndocrinology, The Second Hospital of Shijiazhuang City, Shijiazhuang, P. R. China
| | - Lei Jiang
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
| | - Yushi Qin
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
| | - Di Zhang
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
| | - Pei Tian
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
| | - ZhaoYu Gao
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
| | - Nan Zhang
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
| | - Zhongli Shi
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
| | - Shunjiang Xu
- Central Laboratory, The First Hospital of HebeiMedical University, Shijiazhuang, P. R. China
- Hebei International Joint Research Center forBrain Science, Shijiazhuang, P. R. China
- HebeiKey Laboratory of Brain Science and Psychiatric-Psychologic Disease, Shijiazhuang, P. R. China
- Research Unit of Digestive Tract Microecosystem Pharmacology and Toxicology, ChineseAcademy of Medical Sciences, Beijing, P. R. China
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13
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Agúndez JAG, García-Martín E, Alonso-Navarro H, Rodríguez C, Díez-Fairén M, Álvarez I, Pastor P, Benito-León J, López-Alburquerque T, Jiménez-Jiménez FJ. Vitamin D Receptor and Binding Protein Gene Variants in Patients with Essential Tremor. Mol Neurobiol 2022; 59:3458-3466. [PMID: 35322382 DOI: 10.1007/s12035-022-02804-8] [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: 11/03/2021] [Accepted: 03/17/2022] [Indexed: 11/25/2022]
Abstract
Several studies have shown an association between some variants in the vitamin D receptor (VDR) and the GC vitamin D binding protein (GC) genes with the risk for Parkinson's disease or other neurological disorders. VDR rs2228570 has shown an association with essential tremor (ET) in a previous study. The aim of this study is to look for the association between several common variants in these genes and the risk for ET. We genotyped 272 patients diagnosed with familial ET and 272 age-matched controls using specific TaqMan assays for VDR rs2228570, VDR rs731236, VDR rs7975232, VDR rs739837, VDR rs78783628, GC rs7041, and GC rs4588 single nucleotide variants (SNVs). We found an association between GC rs7041 SNV and ET using recessive, codominant, and allelic models. Despite our results did not find an association between VDR rs2228570 and ET, the pooled data with those by a previous report suggest this association under recessive, codominant, and allelic models. None of the SNVs studied was related to the age at onset of tremor in ET patients. Data from the current study suggest an association between GC rs7041 and VDR rs2228570 SNVs and ET risk.
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Affiliation(s)
- José A G Agúndez
- Universidad de Extremadura, University Institute of Molecular Pathology Biomarker, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain
| | - Elena García-Martín
- Universidad de Extremadura, University Institute of Molecular Pathology Biomarker, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain
| | - Hortensia Alonso-Navarro
- Section of Neurology, Ronda del Sur 10, E28500 Argamda del Rey (Madrid), C/ Marroquina 14, 3o B, 28030, Madrid, Spain
| | - Christopher Rodríguez
- Universidad de Extremadura, University Institute of Molecular Pathology Biomarker, ARADyAL Instituto de Salud Carlos III, Cáceres, Spain
| | - Mónica Díez-Fairén
- Fundació Per La Recerça Biomèdica, Social Mútua de Terrassa, Terrassa, Barcelona, Spain.,Movement Disorders Unit, Department of Neurology, Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain
| | - Ignacio Álvarez
- Fundació Per La Recerça Biomèdica, Social Mútua de Terrassa, Terrassa, Barcelona, Spain.,Movement Disorders Unit, Department of Neurology, Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain
| | - Pau Pastor
- Fundació Per La Recerça Biomèdica, Social Mútua de Terrassa, Terrassa, Barcelona, Spain.,Movement Disorders Unit, Department of Neurology, Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain
| | - Julián Benito-León
- Service of Neurology, Department of Medicine, Hospital Doce de Octubre, Universidad Complutense, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Instituto de Salud Carlos III, Madrid, Spain
| | | | - Félix Javier Jiménez-Jiménez
- Section of Neurology, Ronda del Sur 10, E28500 Argamda del Rey (Madrid), C/ Marroquina 14, 3o B, 28030, Madrid, Spain. .,Department of Medicine-Neurology, Hospital "Príncipe de Asturias." Universidad de Alcalá, C/ Marroquina 14, 3o B, 28030, Alcalá de Henares, Madrid, Spain.
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14
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Soares JZ, Valeur J, Šaltytė Benth J, Knapskog AB, Selbæk G, Arefi G, Gilfillan DG, Tollisen A, Bogdanovic N, Pettersen R. Vitamin D in Alzheimer's Disease: Low Levels in Cerebrospinal Fluid Despite Normal Amounts in Serum. J Alzheimers Dis 2022; 86:1301-1314. [PMID: 35180126 DOI: 10.3233/jad-215536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Vitamin D insufficiency has been suggested as a dementia risk factor. OBJECTIVE In this cross-sectional, explorative study we investigated whether levels of vitamin D in cerebrospinal fluid (CSF) are lower in patients with positive biomarkers of Alzheimer's disease (AD) compared to cognitively healthy controls and whether polymorphisms of the vitamin D receptor (VDR) gene, FokI, BsmI, ApaI, and TaqI, are associated with levels of vitamin D in CSF and cognition. METHODS We included 100 patients≥65 years assessed for cognitive impairment and 76 cognitively healthy controls. Levels of 25-hydroxyvitamin D (25(OH)D) in both serum and CSF, and VDR polymorphisms were analyzed. RESULTS The mean level of 25(OH)D in serum was 78.6 (SD 28.9) nmol/l. While serum levels of 25(OH)D were not significantly different between the groups, CSF levels of 25(OH)D were significantly lower in patients with positive AD core biomarkers (p = 0.001) compared to patients without such biomarkers. Individuals with the BsmI major homozygote genotype had significantly lower results on a 10-word delayed recall test (p = 0.044) and verbal fluency test (p = 0.013), and individuals with the TaqI major homozygote genotype had significantly lower results on a verbal fluency test (p = 0.030) compared to individuals with the corresponding minor homozygote genotype. CONCLUSION Patients with positive AD core biomarkers have low CSF levels of 25(OH)D, despite sufficient serum levels. CSF levels of 25(OH)D do not seem to be affected by any of the four VDR gene polymorphisms. TaqI and BsmI major homozygote genotypes might be at increased risk for development of cognitive decline.
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Affiliation(s)
- Jelena Zugic Soares
- Medical Department, Section of Geriatrics, Lovisenberg Diaconal Hospital, Oslo, Norway.,Faculty of Medicine, University of Oslo, Oslo, Norway.,Unger-Vetlesen Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - Jørgen Valeur
- Unger-Vetlesen Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - Jūratė Šaltytė Benth
- Institute of Clinical Medicine, Campus Ahus, University of Oslo, Oslo, Norway.,Health Services Research Unit, Akershus University Hospital, Lørenskog, Norway
| | | | - Geir Selbæk
- Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.,Norwegian National Advisory Unit on Ageing and Health, Vestfold Hospital Trust, Tønsberg, Norway
| | - Golchin Arefi
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - D Gregor Gilfillan
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Anita Tollisen
- Unger-Vetlesen Institute, Lovisenberg Diaconal Hospital, Oslo, Norway
| | - Nenad Bogdanovic
- Department of Geriatric Medicine, Oslo University Hospital, Oslo, Norway.,Department for Neurobiology, Caring Science and Society, Division of Clinical Geriatrics, Karolinska Institutet, Stockholm, Sweden
| | - Renate Pettersen
- Medical Department, Section of Geriatrics, Lovisenberg Diaconal Hospital, Oslo, Norway
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