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Yeh WZ, Gresle M, Lea R, Taylor B, Lucas RM, Ponsonby AL, Mason D, Andrew J, Campbell H, Morahan J, Sampangi S, Campagna MP, Stankovich J, Van der Walt A, Jokubaitis V, Butzkueven H. The immune cell transcriptome is modulated by vitamin D 3 supplementation in people with a first demyelinating event participating in a randomized placebo-controlled trial. Clin Immunol 2024; 262:110183. [PMID: 38479439 DOI: 10.1016/j.clim.2024.110183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 03/18/2024]
Abstract
Vitamin D deficiency is a risk factor for developing multiple sclerosis. The PrevANZ trial was conducted to determine if vitamin D3 supplementation can prevent recurrent disease activity in people with a first demyelinating event. As a sub-study of this trial, we investigated the effect of supplementation on peripheral immune cell gene expression. Participants were randomized to 1000, 5000 or 10,000 international units daily of vitamin D3 or placebo. Peripheral blood was collected at baseline and 12 weeks and sent for ribonucleic acid sequencing. Datasets from 55 participants were included. Gene expression was modulated by high dose supplementation. Antigen presentation and viral response pathways were upregulated. Oxidative phosphorylation and immune signaling pathways, including tumor necrosis factor-alpha and interleukin-17 signaling, were downregulated. Overall, vitamin D3 supplementation for 12 weeks modulated the peripheral immune cell transcriptome with induction of anti-inflammatory gene expression profiles. Our results support a dose-dependent effect of vitamin D3 supplementation on immune gene expression.
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Affiliation(s)
- Wei Zhen Yeh
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia.
| | - Melissa Gresle
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia
| | - Rodney Lea
- School of Biomedical Sciences and Pharmacy, University of Newcastle, Newcastle, Australia; Centre for Genomics and Personalised Health, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
| | - Bruce Taylor
- Royal Hobart Hospital, Department of Neurology, Hobart, Australia; University of Tasmania, Menzies Institute for Medical Research, Hobart, Australia
| | - Robyn M Lucas
- Australian National University, National Centre for Epidemiology and Population Health, Canberra, Australia
| | - Anne-Louise Ponsonby
- The Florey Institute of Neuroscience and Mental Health, Early Brain Division, Parkville, Australia; University of Melbourne, Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Australia
| | - Deborah Mason
- Christchurch Hospital, Christchurch, New Zealand; New Zealand Brain Research Institute, Christchurch, New Zealand
| | - Julie Andrew
- Neuroscience Trials Australia, Heidelberg, Australia
| | | | | | - Sandeep Sampangi
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia
| | - Maria Pia Campagna
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia
| | - Jim Stankovich
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Anneke Van der Walt
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia
| | - Vilija Jokubaitis
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia
| | - Helmut Butzkueven
- Department of Neuroscience, Central Clinical School, Monash University, Melbourne, Victoria, Australia; Department of Neurology, Alfred Health, Melbourne, Victoria, Australia; MSBase Foundation, Melbourne, Australia.
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Queiroz DJM, Silva AS, da Silva Júnior CC, Paiva MP, Assis CSD, Persuhn DC, Diniz ADS, Lima RLFCD, Cartaxo CGB, Bezerra PGDM, Ribeiro MD, de Brito Alves JL, Gonçalves MDCR. Influence of the BsmI polymorphism of the vitamin D receptor gene on the levels of vitamin D, inflammatory and oxidative stress profile in patients with cystic fibrosis supplemented with Colecalciferol megadose. Clin Nutr ESPEN 2024; 60:139-145. [PMID: 38479902 DOI: 10.1016/j.clnesp.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 01/04/2024] [Accepted: 01/12/2024] [Indexed: 04/13/2024]
Abstract
OBJECTIVE Evaluate the influence of the BsmI polymorphism of the vitamin D receptor gene on vitamin D levels, and inflammatory and oxidative stress markers in patients with Cystic Fibrosis supplemented with cholecalciferol megadose. METHODS We performed a single-arm, non-randomized pre- and post-study of 17 patients aged 5 to 20 years with cystic fibrosis diagnosed with vitamin D insufficiency/deficiency 25-hydroxy vitamin< 30 ng/mL. Individuals were genotyped for the BsmI polymorphism of the vitamin D receptor gene and all received cholecalciferol supplementation of 4,000 IU daily for children aged 5 to 10 years and 10,000 IU for children over 10 years of age for 8 weeks. Interviews were conducted with personal data, sun exposure, anthropometric and blood samples of 25-hydroxy vitamin parathormone, serum calcium, ultrasensitive C-reactive protein, alpha 1 acid glycoprotein, total antioxidant capacity, malondialdehyde and kidney and liver function. Inter- and intra-group assessment was assessed by paired t-test Anova test or its non-parametric counterparts. RESULTS The individuals were mostly male and reported no adverse effects from the use of supplementation, 64 % had 25-hydroxy vitamin levels >30 ng/mL. Patients with BB and Bb genotypes showed increased serum levels of 25-hydroxy vitamin. The group with BB genotype showed a reduction in alpha 1 acid glycoprotein. And individuals with the bb genotype had high levels of malondialdehyde compared to the pre-intervention time. CONCLUSION It is concluded that variations of the BsmI polymorphism of the vitamin D receptor gene have different responses in vitamin D levels and markers of inflammation and oxidative stress.
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Affiliation(s)
- Dayanna Joyce Marques Queiroz
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil.
| | - Alexandre Sérgio Silva
- Federal University of Paraíba-UFPB, Brazil; Physical Education, UPE/UFPB, Department of Physical Education, Federal University of Paraíba, João Pessoa, Brazil.
| | - Celso Costa da Silva Júnior
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil.
| | - Maria Paula Paiva
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil.
| | - Caroline Severo de Assis
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil.
| | - Darlene Camati Persuhn
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil; University of Vale do Itajaí, Department of Molecular Biology (CCEN) at the Federal University of Paraíba, Brazil.
| | - Alcides da Silva Diniz
- Prince Leopold Institute of Tropical Medicine, Federal University of Pernambuco-UFPE, Brazil.
| | - Rafaela Lira Formiga Cavalcanti de Lima
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil.
| | - Constantino Giovanni Braga Cartaxo
- Federal University of Paraíba-UFPB, Brazil; Tropical Medicine from the Federal University of Pernambuco, Federal University of Paraíba-UFPB, Brazil.
| | - Patricia Gomes de Matos Bezerra
- Maternal and Child Health by Instituto de Medicina Integral Prof. Fernando Figueira (IMIP), Pediatrics Program at IMIP, Brazil.
| | - Mateus Duarte Ribeiro
- Federal University of Paraíba-UFPB, Brazil; Physical Education, UPE/UFPB, Department of Physical Education, Federal University of Paraíba, João Pessoa, Brazil.
| | - José Luiz de Brito Alves
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil.
| | - Maria da Conceição Rodrigues Gonçalves
- Federal University of Paraíba-UFPB, Brazil; Department of Nutrition, Federal University of Paraíba, João Pessoa, Brazil; Graduate Program in Nutrition Sciences/CCS/UFPB, Brazil.
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da Silva Sabião T, Alves de Menezes-Júnior LA, Batista AP, Silva de Moura S, Meireles AL, Carvalho de Menezes M, Lins Machado-Coelho GL, Cardoso Carraro JC. Interaction between Fokl polymorphism and vitamin D deficiency in the symptoms of mental disorders in adults: a population-based study. Sci Rep 2024; 14:6925. [PMID: 38519539 PMCID: PMC10960038 DOI: 10.1038/s41598-024-57558-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 03/19/2024] [Indexed: 03/25/2024] Open
Abstract
Mental disorders are intricate and multifaceted and encompass social, economic, environmental, and biological factors. This study aimed to explore the potential association between vitamin D deficiency and anxiety and depression symptoms in adults, considering the role of the vitamin D receptor gene polymorphism FokI (rs2228570). This was a population-based cross-sectional study with stratified and cluster sampling, evaluating anxiety symptoms (AS) and depression symptoms (DS) in 1637 adults. Vitamin D levels were measured using electrochemiluminescence and were considered deficient when < 20 ng/mL in a healthy population or < 30 ng/mL in at-risk groups. Genotyping was performed using real-time polymerase chain reaction with TaqMan probes. The prevalence rates of AS, DS, and vitamin D deficiency were 23.5%, 15.8%, and 30.9%, respectively. No direct association was observed between vitamin D deficiency and AS or DS. However, interaction analysis revealed a combined effect of vitamin D deficiency and FokI for DS but not for AS. Individuals with vitamin deficiency and one or two copies of the altered allele of the FokI exhibited a higher prevalence of DS than individuals homozygous for the wild-type allele and vitamin D sufficiency. The interaction between vitamin D deficiency and the FokI polymorphism was associated with DS.
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Affiliation(s)
- Thaís da Silva Sabião
- School of Nutrition, Postgraduate Program in Health and Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil.
| | - Luiz Antônio Alves de Menezes-Júnior
- School of Nutrition, Postgraduate Program in Health and Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - Aline Priscila Batista
- Postgraduate Program in Biological Sciences, Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - Samara Silva de Moura
- School of Nutrition, Postgraduate Program in Health and Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - Adriana Lúcia Meireles
- Department of Clinical and Social Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), School of Nutrition, Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - Mariana Carvalho de Menezes
- Department of Clinical and Social Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), School of Nutrition, Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - George Luiz Lins Machado-Coelho
- Epidemiology Laboratory, Medical School, Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
| | - Júlia Cristina Cardoso Carraro
- Department of Clinical and Social Nutrition, Research and Study Group on Nutrition and Public Health (GPENSC), School of Nutrition, Federal University of Ouro Preto, Campus Morro do Cruzeiro, Ouro Preto, MG, 35400-000, Brazil
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Nabil IK, Mahmud Z, Tamanna S, Rahman MM, Rashid G, Hossain MS, Asad HB, Kamal MA, Howlader MZH. Vitamin D deficiency and the vitamin D receptor (VDR) gene polymorphism rs2228570 (FokI) are associated with an increased susceptibility to hypertension among the Bangladeshi population. PLoS One 2024; 19:e0297138. [PMID: 38483874 PMCID: PMC10939211 DOI: 10.1371/journal.pone.0297138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 12/28/2023] [Indexed: 03/17/2024] Open
Abstract
Vitamin D receptor (VDR) gene is implicated in hypertension vulnerability due to its role in regulating the renin-angiotensin system (RAS) and blood pressure. In this case-control study, a carefully selected cohort of 111 hypertensive individuals and 100 healthy controls underwent serum analysis using HPLC to measure 25-hydroxy vitamin D levels. Polymorphic variations in the VDR gene were detected and characterized using the PCR-RFLP method. At first, lower 25-hydroxy vitamin D levels were observed in hypertensive individuals compared to controls (p<0.001). The genotype frequency of the VDR gene TaqI showed no significant difference between cases and controls (p>0.05). Similarly, no significant difference was found in the VDR gene BsmI genotype frequency between hypertensive patients and controls (p>0.05). However, a statistically significant distinction was observed in the VDR gene FokI genotype frequency between cases and controls (p<0.01). The odds ratios for FokI genotypes (CC, CT, TT, and CT+TT) were 1.0, 0.590, 1.566, and 0.963, respectively. Furthermore, serum 25-hydroxy vitamin D levels were significantly higher in control subjects compared to hypertensive patients across all genotypes of VDR (p<0.001). Hypertensive patients, excluding those with the FokI VDR gene CC genotype, exhibited significantly higher systolic blood pressure levels compared to the control group (p<0.05). Similarly, hypertensive subjects displayed elevated diastolic blood pressure levels compared to the control group (p<0.001). Overall, the results suggest the presence of a potential inverse correlation between serum 25-hydroxy vitamin D levels and hypertension. The association analysis conducted indicated that there is no significant association between TaqI and bsmI genotypic variants and the risk of developing hypertension. However, it was observed that VDR gene polymorphisms do have a clear association with hypertension susceptibility, as evidenced by the significantly higher occurrence of FokI genotypic variants in hypertensive patients. Our study therefore introduces the possibility of utilizing 25-hydroxy vitamin D deficiency and VDR gene polymorphisms as a biomarker for hypertension.
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Affiliation(s)
- Imrul Kayes Nabil
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Zimam Mahmud
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Sonia Tamanna
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Md Mostafijur Rahman
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Gowhar Rashid
- Department of Medical Laboratory Technology, Amity Medical School, Amity University Haryana, (AUH), Gurugram, India
| | - Md. Sarowar Hossain
- Department of Pharmacy, Daffodil International University, Birulia, Bangladesh
| | - Humaira Binte Asad
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh
| | - Mohammad Amjad Kamal
- Department of Pharmacy, Daffodil International University, Birulia, Bangladesh
- Institutes for Systems Genetics, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Enzymoics, Hebersham, NSW, Australia
- Novel Global Community Educational Foundation, Hebersham, New South Wales, Australia
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Thirunavukkarasu R, Chitra A, Asirvatham A, Jayalakshmi M. Association of Vitamin D Deficiency and Vitamin D Receptor Gene Polymorphisms with Type 1 Diabetes Risk: A South Indian Familial Study. J Clin Res Pediatr Endocrinol 2024; 16:21-30. [PMID: 37559366 PMCID: PMC10938518 DOI: 10.4274/jcrpe.galenos.2023.2022-12-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 07/26/2023] [Indexed: 03/12/2024] Open
Abstract
Objective Vitamin D is a potent immune modulator and is associated with autoimmune diseases, including type 1 diabetes (T1D). The vitamin D levels and its receptor gene polymorphisms together in T1D are not yet investigated in the South Indian population. The present study focused on exploring the significance of vitamin D levels and vitamin D receptor (VDR) gene polymorphisms with the risk of developing T1D in the South Indian population. Methods Patients with T1D and unaffected first-degree relatives (FDRs) were included in this study. Genotyping of VDR polymorphisms at four different loci (FokI- F/f, BsmI- B/b, TaqI- T/t, and ApaI- A/a) was assessed through the amplification refractive mutation system-polymerase chain reaction method. Serum vitamin D levels were measured in 98 T1D patients and 75 age- and sex-matched siblings. Results A total of 120 patients with T1D and 214 FDRs were included. Vitamin D deficiency (VDD) was observed in a higher proportion of T1D patients than in controls (52% vs. 32%; p<0.03). The frequency of the FokI-FF genotype was significantly higher [odds ratio (OR)=1.66; p<0.03] in T1D patients conferring a susceptible association with the disease. Nevertheless, the increased frequency of heterozygous Ff genotype (OR=0.57; p<0.02) among controls may confer a protective association with T1D. Furthermore, the transmission disequilibrium test revealed over-transmission of ApaI-A (T: U=15/5; p<0.006) and BsmI-B alleles (T: U=17/5; p<0.01) and under-transmission of BsmI-b/ApaI-a/TaqI-T haplotype (T: U=5.4/14.4; p=0.04) from parents to T1D patients. Conclusion The present study concludes that VDD is the major contributing risk factor to T1D development in the South Indian population. Furthermore, the FokI-FF genotype, BsmI-B, and ApaI-A alleles were positively associated with T1D. In contrast, the FokI-Ff genotype and BsmI-b/ApaI-a/TaqI-T haplotype were negatively associated with T1D.
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Affiliation(s)
| | - Ayyappan Chitra
- Government Rajaji Hospital, Institute of Child Health and Research Centre, Madurai, India
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Tsang HW, Tung KTS, Wong RS, Wong SY, Tung JYL, Chua GT, Ho MHK, Pang CP, Wong WHS, Chan GCF, Wong ICK, Ip P. Association of vitamin D-binding protein polymorphisms and serum 25(OH)D concentration varies among Chinese healthy infants of different VDR-FokI genotypes: A multi-centre cross-sectional study. NUTR BULL 2024; 49:63-72. [PMID: 38146611 DOI: 10.1111/nbu.12656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 11/03/2023] [Accepted: 12/05/2023] [Indexed: 12/27/2023]
Abstract
Hypovitaminosis D during infancy is associated with the development of chronic diseases and poor health later in life. While the effect of environmental factors on vitamin D concentration has been extensively explored, this study aimed to explore the effect of genetic factors on vitamin D concentration among Chinese infants. We conducted a multi-centre cross-sectional study in Hong Kong from July 2019 to May 2021. A candidate genetic approach was adopted to study four selected genetic variants of the vitamin D-binding protein (DBP) and vitamin D receptor (VDR) (rs4588, rs7041, rs2282679 and rs2228570) to examine their associations with measured serum 25(OH)D concentration. A total of 378 Chinese infants aged 2-12 months were recruited in this study. Peripheral blood samples were collected from the infants to measure serum 25(OH)D concentration and extract DNA. Results showed that rs7041T and rs2282679C were significantly associated with lower serum 25(OH)D concentration. Further analysis of the DBP variants revealed that the GC1F allele was significantly associated with lower 25(OH)D concentration and identified as the risk DBP isoform in infants. While our results revealed that there is no direct association between VDR-FokI genotype and serum 25(OH)D concentration, a VDR-FokI genotype-specific pattern was observed in the association between DBP isoforms and serum 25(OH)D concentration. Specifically, significant associations were observed in the DBP genotypes GC1F/F, GC1F/2 and GC1S/2 among VDR-FokI TT/TC carriers, but not in VDR-FokI CC carriers. Our findings lay down the basis for the potential of genetic screening to identify high risk of hypovitaminosis D in Chinese infants.
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Affiliation(s)
- Hing Wai Tsang
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Keith T S Tung
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Rosa S Wong
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Siew Yan Wong
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Joanna Y L Tung
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
- Department of Paediatrics, Hong Kong Children's Hospital, Hospital Authority, Hong Kong SAR, China
| | - Gilbert T Chua
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Marco H K Ho
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chi Pui Pang
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Wilfred H S Wong
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Godfrey C F Chan
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Ian C K Wong
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Patrick Ip
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
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Li X, Chen C, Zhang Y, Wang J, Cui X, Xu L, Zhou J, Deng L, Zhang M, Lv Y, Yu Q, Shi X. Serum 25-Hydroxyvitamin D and Risk of Disability in Activities of Daily Living among the Oldest-Old: An Observational and Mendelian Randomization Study. J Nutr 2024; 154:1004-1013. [PMID: 38246357 DOI: 10.1016/j.tjnut.2024.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 01/09/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
BACKGROUND Vitamin D deficiency and disability are both prevalent among older adults. However, the association between them has rarely been investigated in the oldest-old subjects (aged ≥80 y), and the causality remains unclear. OBJECTIVE This study aimed to elucidate the causal effect of vitamin D on the incident risk of disability in activities of daily living (ADL) among Chinese oldest-old based on the 2012-2018 Chinese Healthy Ageing and Biomarkers Cohort Study. METHODS Serum 25-hydroxyvitamin D [25(OH)D] concentrations and ADL status at baseline and follow-up interviews were documented. Cox regression models were applied among 1427 oldest-old (mean age, 91.2 y) with normal baseline ADL status. One sample Mendelian randomization (MR) analyses were performed on a subset of 941 participants with qualified genetic data, using a 25(OH)D-associated genetic risk score as the genetic instrument. RESULTS During a median follow-up of 3.4 y, 231 participants developed disability in ADL. Serum 25(OH)D concentration was inversely associated with the risk of disability in ADL [per 10 nmol/L increase hazard ratio (HR) 0.85; 95% CI: 0.75, 0.96]. Consistent results from MR analyses showed that a 10 nmol/L increment in genetically predicted 25(OH)D concentration corresponded to a 20% reduced risk of ADL disability (HR 0.80; 95% CI: 0.68, 0.94). Nonlinear MR demonstrated a monotonic declining curve, with the HRs exhibiting a more pronounced reduction among individuals with 25(OH)D concentrations below 50 nmol/L. Subgroup analyses showed that the associations were more distinct among females and those with poorer health conditions. CONCLUSIONS Our study supports an inverse causal relationship between serum 25(OH)D concentration and the risk of disability in ADL among Chinese oldest-old. This protective effect was more distinct, especially for participants with vitamin D deficiency. Appropriate measures for improving vitamin D might help reduce the incidence of physical disability in this specific age group.
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Affiliation(s)
- Xinwei Li
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China; China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Chen Chen
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Yue Zhang
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Jun Wang
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Xingyao Cui
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China; China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Lanjing Xu
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China; Department of Big Data in Health Science, School of Public Health, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jinhui Zhou
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Luojia Deng
- Department of Bioinformatics and Biostatistics, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Min Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China; China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Yuebin Lv
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China
| | - Qiong Yu
- Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin, China.
| | - Xiaoming Shi
- China Centers for Disease Control and Prevention (CDC) Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese CDC, Beijing, China.
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Yerezhepov D, Gabdulkayum A, Akhmetova A, Kozhamkulov UA, Rakhimova SE, Kairov UY, Zhunussova G, Kalendar RN, Akilzhanova A. Vitamin D Status, VDR, and TLR Polymorphisms and Pulmonary Tuberculosis Epidemiology in Kazakhstan. Nutrients 2024; 16:558. [PMID: 38398882 PMCID: PMC10892443 DOI: 10.3390/nu16040558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Tuberculosis (TB) and vitamin D deficiency remain major public health problems in Kazakhstan. Due to the high incidence of pulmonary tuberculosis in the country and based on the importance of vitamin D in the modulation of the immune response and the association of its deficiency with many health conditions, the aim of our research was to study the vitamin D status, VDR and TLR gene polymorphisms, and pulmonary tuberculosis epidemiology in Kazakhstan. METHODS A case-control study included 411 individuals diagnosed with pulmonary TB and 686 controls with no family history of pulmonary tuberculosis. Concentrations of serum vitamin D (25-(OH)D) levels were measured by electrochemiluminescence immunoassay. The gene polymorphisms were determined by real-time polymerase chain reaction (PCR) allelic discrimination assay using TaqMan probes. The association between the risk of pulmonary TB and polymorphisms was evaluated using multimodal logistic regression and assessed with the ORs, corresponding to 95% Cis, and the significance level was determined as p < 0.05. RESULTS 1097 individuals were recruited from 3 different regions of Kazakhstan. Biochemical data showed vitamin D deficiency (25-(OH)D < 20 ng/mL) was present in both groups, with the case group accounting for almost 95% and 43.7% in controls. Epidemiological data revealed that socioeconomic factors such as BMI < 25 kg/m2 (p < 0.001), employment (p < 0.001), diabetes (p < 0.001), and vitamin D deficiency (p < 0.001) were statistically different between case and control groups. Logistic regression analysis, adjusted by sex, age, BMI, residence, employment, smoking, alcohol consumption, and diabetes, showed that T/T polymorphism of the VDR gene (rs1544410, OR = 1.97, 95% CI: 1.04-3.72, p = 0.03) and A/A polymorphism of the TLR8 gene (rs3764880, OR = 2.44, 95% CI: 1.20-4.98, p = 0.01) were associated with a high risk of developing pulmonary tuberculosis. CONCLUSIONS Vitamin D deficiency remains prevalent in our study cohort and is associated with TB progression. Socioeconomic determinants such as unemployment, BMI under 25 kg/m2, and diabetes are the main risk factors for the development of pulmonary TB in our study. A/A polymorphism of TLR8 (rs3764880) and T/T polymorphism (BsmI, rs1544410) of VDR genes may act as biomarkers for pulmonary tuberculosis in the Kazakh population.
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Affiliation(s)
- Dauren Yerezhepov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Aidana Gabdulkayum
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ainur Akhmetova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ulan A. Kozhamkulov
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Saule E. Rakhimova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | - Ulykbek Y. Kairov
- Laboratory of Bioinformatics and Systems Biology, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
| | | | - Ruslan N. Kalendar
- Institute of Biotechnology HiLIFE, University of Helsinki, P.O. Box 65, 00014 Helsinki, Finland
| | - Ainur Akilzhanova
- Laboratory of Genomic and Personalized Medicine, Center for Life Sciences, National Laboratory Astana, Nazarbayev University, Astana 010000, Kazakhstan
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9
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Al Masseri Z, Alqahtani M, Almoshawer E, Alkuraya FS. Vitamin D-binding protein deficiency: an underrecognized Mendelian disorder of vitamin D metabolism. Hum Genet 2024; 143:101-105. [PMID: 38265561 DOI: 10.1007/s00439-023-02632-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/18/2023] [Indexed: 01/25/2024]
Abstract
Vitamin D-binding protein (VDBP) deficiency is a recently discovered apparently benign biochemical disorder that can masquerade as treatment-resistant vitamin D deficiency and is likely underrecognized. We present the case of a child with persistently low 25OH vitamin D levels despite replacement therapy. Exome sequencing revealed a novel homozygous nonsense variant in the GC gene, leading to undetectable levels of VDBP. Interestingly, exome sequencing also revealed a homozygous loss-of-function variant in ZNF142, which likely explains the additional clinical features of recurrent febrile convulsions and global developmental delay. Our findings corroborate the two previously reported patients with autosomal recessive VDBP deficiency caused by biallelic GC variants and emphasize the importance of measuring VDBP levels in cases of apparent vitamin D deficiency that is treatment-resistant. We also urge caution in concluding "atypical" presentations without careful investigation of a potential dual molecular diagnosis.
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Affiliation(s)
- Zainab Al Masseri
- Department of Pediatric, Medical Genetics Unit, Qatif Central Hospital, Eastern Health Cluster, Ministry of Health, Riyadh, Saudi Arabia.
| | - Mashael Alqahtani
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Eman Almoshawer
- Department of Dermatology, Qatif Central Hospital, Eastern Health Cluster, Ministry of Health, Riyadh, Saudi Arabia
| | - Fowzan S Alkuraya
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
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10
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Sala-Cirtog M, Sirbu IO. Analysis of MicroRNA-Transcription Factors Co-Regulatory Network Linking Depression and Vitamin D Deficiency. Int J Mol Sci 2024; 25:1114. [PMID: 38256187 PMCID: PMC10815958 DOI: 10.3390/ijms25021114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Depression and vitamin D deficiency are often co-occurring pathologies, the common pathogenetic ground of which includes an augmented inflammatory response. However, the molecular details of this relationship remain unclear. Here, we used a bioinformatic approach to analyze GEO transcriptome datasets of major depressive disorder (MDD) and vitamin D deficiency (VDD) to identify the hub genes within the regulatory networks of commonly differentially expressed genes (DEGs). The MDD-VDD shared regulatory network contains 100 DEGs (71 upregulated and 29 downregulated), with six hub genes (PECAM1, TLR2, PTGS2, LRRK2, HCK, and IL18) all significantly upregulated, of which PTGS2 (also known as COX2) shows the highest inference score and reference count. The subsequent analysis of the miRNA-transcription factors network identified COX2, miR-146a-5p, and miR-181c-5p as key co-regulatory actors in the MDD-VDD shared molecular pathogenic mechanisms. Subsequent analysis of published MDD and VDD transcriptome data confirmed the importance of the identified hub genes, further validating our bioinformatic analytical pipeline. Our study demonstrated that PTGS2 was highly upregulated in both depressive patients and patients with low vitamin D plasma levels. Therefore, regulators targeting PTGS2, like miR-146a-5p and miR181c-5p, may have great potential in controlling both diseases simultaneously, accentuating their role in future research.
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Affiliation(s)
- Maria Sala-Cirtog
- Department of Biochemistry and Pharmacology, Discipline of Biochemistry, University of Medicine and Pharmacy “Victor Babes”, E. Murgu Square No. 2, 300041 Timisoara, Romania;
- Center for Complex Network Science, University of Medicine and Pharmacy “Victor Babes”, E. Murgu Square No. 2, 300041 Timisoara, Romania
| | - Ioan-Ovidiu Sirbu
- Department of Biochemistry and Pharmacology, Discipline of Biochemistry, University of Medicine and Pharmacy “Victor Babes”, E. Murgu Square No. 2, 300041 Timisoara, Romania;
- Center for Complex Network Science, University of Medicine and Pharmacy “Victor Babes”, E. Murgu Square No. 2, 300041 Timisoara, Romania
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11
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de Luis Román D, Izaola O, Primo Martín D, Gómez Hoyos E, Torres B, López JJ. Association between the genetic variant in the vitamin D pathway (rs2282679), circulating 25-hydroxyvitamin D levels, insulin resistance and metabolic syndrome criteria. NUTR HOSP 2023; 40:1176-1182. [PMID: 37929856 DOI: 10.20960/nh.04041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2023] Open
Abstract
Introduction Background and aims: some studies have reported links between 25-hydroxyvitamin D levels and the presence of metabolic syndrome. The aim of the present study was to evaluate whether an association exists among 25-hydroxyvitamin D, rs2282679 of the GC gene and metabolic syndrome (MS). Methods: the study involved a population of 134 postmenopausal obese females. Measurements of anthropometric parameters, blood pressure, bone turnover markers, fasting blood glucose, insulin resistance (HOMA-IR), lipid profile, C-reactive protein and prevalence of MS were recorded. Genotype of CG gene polymorphism (rs2282679) was evaluated. Results: insulin (delta: 4.6 ± 0.9 mUI/l; p = 0.02), triglycerides (delta: 21.6 ± 2.9 mg/dl; p = 0.04) and HOMA-IR (delta: 1.1 ± 0.9 unit; p = 0.02) were lower in TT subjects than TG + GG patients. The percentages of individuals who had MS (OR = 2.80, 95 % CI = 1.39-5.65; p = 0.02), hypertriglyceridemia (OR = 2.39, 95 % CI = 1.44-5.96; p = 0.01), and hyperglycemia (OR = 2.72, 95 % CI = 1.23-6.00; p = 0.43) were higher in G allele carriers. Logistic regression analysis showed an increased risk of MS in G allele carriers (OR = 2.36, 95 % CI = 1.11-5.91, p = 0.02) and an increased risk of 25-hydroxyvitamin D deficiency (< 20 ng/ml) (OR = 2.43, 95 % CI = 1.13-6.69, p = 0.02), too. Conclusions: a negative association among G allele and insulin resistance, hypertriglyceridemia, deficiency of 25 hydroxyvitamin D levels and MS was reported in this population.
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Affiliation(s)
- Daniel de Luis Román
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
| | - Olatz Izaola
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
| | - David Primo Martín
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
| | - Emilia Gómez Hoyos
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
| | - Beatriz Torres
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
| | - Juan José López
- Centro de Investigación de Endocrinología y Nutrición Clínica de Valladolid (IENVA). Facultad de Medicina. Universidad de Valladolid
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12
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Milan KL, Jayasuriya R, Harithpriya K, Anuradha M, Ramkumar KM. Impact of vitamin D resistance genes on vitamin D deficiency during pregnancy among the South Indian population. J Reprod Immunol 2023; 160:104143. [PMID: 37738710 DOI: 10.1016/j.jri.2023.104143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 08/21/2023] [Accepted: 09/03/2023] [Indexed: 09/24/2023]
Abstract
Increasing evidence suggests that vitamin D (Vit-D) could be pivotal in maintaining normal glucose homeostasis. Low levels of Vit-D in early pregnancy are associated with a higher risk of gestational diabetes mellitus (GDM). Though several reports have highlighted the prevalence of vit-D deficiency among pregnant women, its underlying cause has not yet been fully elucidated. In this connection, a few studies have found the development of resistance to Vit-D, including the levels of Vitamin D receptor (VDR) and transcription regulators that modify VDR action, as well as the bioavailability of Vit-D. We aimed to determine the levels of Vit-D resistance genes such as 25-HydroxyVit-D-24-hydroxylase (CYP24A1), VDR repressor genes (SNAIL and SMRT) and their association between Vit-D concentrations in early pregnancy, and the risk of gestational diabetes mellitus (GDM). A prospective observational study was conducted on healthy pregnant women (NGDM; n = 50) and GDM (n = 50) attending routine antenatal care at SRM Medical College Hospital, Chennai, recruited at 12 weeks of gestation. We found that the serum levels of Vit-D were low in GDM subjects and negatively correlated with the fasting glucose levels. Further, increased expressions of Vit-D resistance genes such as CYP24A1, SNAIL, and SMRT were observed in GDM subjects and negatively correlated with the serum levels of Vit-D. Furthermore, we have validated the data using the trophoblast cell line, BeWo, exposed to calcitriol under a hyperglycemic environment. Our finding showed that increased expression of Vit-D resistance genes in pregnancy may be associated with a greater risk of adverse pregnancy outcomes, including GDM.
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Affiliation(s)
- K L Milan
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - R Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - K Harithpriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - M Anuradha
- Department of Obstetrics & Gynaecology, SRM Medical College Hospital and Research Centre, Kattankulathur 603203, Tamil Nadu, India
| | - K M Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India.
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13
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Aziz A, Shah M, Siraj S, Iqbal W, Jan A, Khan I, Ahmed S, Vitale SG, Angioni S. Association of vitamin D deficiency and vitamin D receptor (VDR) gene single-nucleotide polymorphism (rs7975232) with risk of preeclampsia. Gynecol Endocrinol 2023; 39:2146089. [PMID: 36395814 DOI: 10.1080/09513590.2022.2146089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Preeclampsia has a multifactorial-yet-elusive etiology. Recent reports suggest a link between preeclampsia and vitamin D (VD) metabolic axis. Genetic variations like single-nucleotide polymorphisms (SNPs) of vitamin D receptor (VDR) gene can alter the metabolic role of VD, which have been shown by several genetic association studies. However, there is discordance among these studies. OBJECTIVE The current study aimed to investigate the association of VDR gene polymorphism (ApaI) and VD deficiency with risk of developing preeclampsia. PATIENTS AND METHOD In this case-control study, 40 preeclamptic and 40 normotensive pregnant women were compared for VD status and VDR gene polymorphism. Serum 25-hydroxyvitamin-D [25(OH) D] level was determined by enzyme-linked immunosorbent assay (ELISA) and VDR gene polymorphism Apa1 was analyzed by Allele specific polymerase chain reaction (AS-PCR) using sequence specific primers. RESULTS Serum levels of 25(OH) D were very low but comparable in both preeclamptic and normotensive pregnant women. The difference between the two groups were not statistically significant (p = .423). VDR gene polymorphism ApaI (rs7975232) was found not to have significant association with the risk of developing preeclampsia. The frequencies of wild genotype (GG) in preeclamptic and normotensive women were 27.5% and 22.5% respectively. A total of 25% of preeclamptic women had mutant homozygous genotype (TT) and 17.5% of normotensive women had mutant homozygous genotype. The frequency of mutant heterozygous genotype (GT) in preeclamptic patients was 47.5% and in normotensive women was 60%. The variation of wild and mutant genotypes between the two groups was not statistically significant (p > .05). CONCLUSION This study showed that VDR gene polymorphism (ApaI) and VD deficiency are not associated with the risk of preeclampsia.
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Affiliation(s)
- Asma Aziz
- Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Mohsin Shah
- Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Sami Siraj
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Waheed Iqbal
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Amin Jan
- Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Imran Khan
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Sajjad Ahmed
- Department of Physiology, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Khyber Medical University, Peshawar, Pakistan
| | - Salvatore Giovanni Vitale
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
| | - Stefano Angioni
- Division of Gynecology and Obstetrics, Department of Surgical Sciences, University of Cagliari, Cagliari, Italy
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14
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Džoljić E, Matutinović MS, Stojković O, Veličković J, Milinković N, Kostić V, Ignjatović S. Vitamin D Serum Levels and Vitamin D Receptor Genotype in Patients with Parkinson's Disease. Neuroscience 2023; 533:53-62. [PMID: 37832907 DOI: 10.1016/j.neuroscience.2023.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 08/05/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
BACKGROUND Vitamin D is a steroid hormone, known to be involved in the pathogenesis of various neurodegenerative disorders, including Parkinson's disease (PD). We aimed to clarify the relationship between hypovitaminosis D and the predisposition for PD and its clinical presentation. An additional aim was to examine the specific gene polymorphisms associated with vitamin D level. MATERIAL AND METHODS Total level of 25(OH)-vitamin D (25(OH)D) was measured in the serum of parkinsonian patients (n = 113) and controls (n = 82) using a commercial immunoassay. Genetic analyses were performed using Taqman assays on Real Time PCR amplification system. RESULTS Higher frequency of vitamin D deficiency (<50 nmol/L) was observed in PD patients, compared to controls (40.7% and 23.2%, respectively, P = 0.010). It was also a positive predictive marker of PD (OR, 2.27; 95% CI, 1.206-4.298; P < 0.011). Significantly higher UPDRS (35.85 ± 1.35 and 32.09 ± 0.99, respectively, P = 0.023) and HY scores (2(1.5-2.5) and 1.5(1.0-2.0), respectively, P = 0.005) were present in patients with 25(OH)D level < 50 nmol/L compared to patients with 25(OH)D level ≥ 50 nmol/L. Despite some trends observed, differences in allelic and genotypic distribution between controls and patients, as well as between subgroups, did not reach the level of significance (P > 0.05). CONCLUSIONS Findings of this study confirm the hypothesis of a significant relationship between hypovitaminosis D and PD. We demonstrated higher prevalence of vitamin D deficiency in PD patients, as well as its predictive potential for the onset and progression of PD.
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Affiliation(s)
- Eleonora Džoljić
- Clinic of Neurology, University Clinical Center of Serbia, 11000 Belgrade, Serbia; Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | | | - Oliver Stojković
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | | | - Neda Milinković
- Faculty of Pharmacy, University of Belgrade, 11000 Belgrade, Serbia
| | - Vladimir Kostić
- Clinic of Neurology, University Clinical Center of Serbia, 11000 Belgrade, Serbia; Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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15
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Wang X, Hivert V, Groot S, Wang Y, Yengo L, McGrath JJ, Kemper KE, Visscher PM, Wray NR, Revez JA. Cross-ancestry analyses identify new genetic loci associated with 25-hydroxyvitamin D. PLoS Genet 2023; 19:e1011033. [PMID: 37963177 PMCID: PMC10684098 DOI: 10.1371/journal.pgen.1011033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 11/28/2023] [Accepted: 10/24/2023] [Indexed: 11/16/2023] Open
Abstract
Vitamin D status-a complex trait influenced by environmental and genetic factors-is tightly associated with skin colour and ancestry. Yet very few studies have investigated the genetic underpinnings of vitamin D levels across diverse ancestries, and the ones that have, relied on small sample sizes, resulting in inconclusive results. Here, we conduct genome-wide association studies (GWAS) of 25 hydroxyvitamin D (25OHD)-the main circulating form of vitamin D-in 442,435 individuals from four broad genetically-determined ancestry groups represented in the UK Biobank: European (N = 421,867), South Asian (N = 9,983), African (N = 8,306) and East Asian (N = 2,279). We identify a new genetic determinant of 25OHD (rs146759773) in individuals of African ancestry, which was not detected in previous analysis of much larger European cohorts due to low minor allele frequency. We show genome-wide significant evidence of dominance effects in 25OHD that protect against vitamin D deficiency. Given that key events in the synthesis of 25OHD occur in the skin and are affected by pigmentation levels, we conduct GWAS of 25OHD stratified by skin colour and identify new associations. Lastly, we test the interaction between skin colour and variants associated with variance in 25OHD levels and identify two loci (rs10832254 and rs1352846) whose association with 25OHD differs in individuals of distinct complexions. Collectively, our results provide new insights into the complex relationship between 25OHD and skin colour and highlight the importance of diversity in genomic studies. Despite the much larger rates of vitamin D deficiency that we and others report for ancestry groups with dark skin (e.g., South Asian), our study highlights the importance of considering ancestral background and/or skin colour when assessing the implications of low vitamin D.
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Affiliation(s)
- Xiaotong Wang
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Valentin Hivert
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Shiane Groot
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Ying Wang
- Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston, Massachusetts, United States of America
- Stanley Center for Psychiatric Research and Program in Medical and Population Genetics, Broad Institute of Harvard and MIT, Cambridge, Massachusetts, United States of America
| | - Loic Yengo
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - John J. McGrath
- National Centre for Register-Based Research, Aarhus University, Aarhus V, Denmark
- Queensland Centre for Mental Health Research, The Park Centre for Mental Health, Brisbane, Queensland, Australia
- Queensland Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
| | - Kathryn E. Kemper
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Peter M. Visscher
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
| | - Naomi R. Wray
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
- Queensland Brain Institute, The University of Queensland, Brisbane, Queensland, Australia
| | - Joana A. Revez
- Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, Australia
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Rahman A, Abu-Farha M, Channanath A, Hammad MM, Anoop E, Chandy B, Melhem M, Al-Mulla F, Thanaraj TA, Abubaker J. Single nucleotide polymorphisms in vitamin D binding protein and 25-hydroxylase genes affect vitamin D levels in adolescents of Arab ethnicity in Kuwait. Front Endocrinol (Lausanne) 2023; 14:1257051. [PMID: 37929021 PMCID: PMC10623322 DOI: 10.3389/fendo.2023.1257051] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 10/09/2023] [Indexed: 11/07/2023] Open
Abstract
Vitamin D deficiency (VDD) is widespread in the Arab world despite ample sunshine throughout the year. In our previous study, lifestyle and socio-demographic factors could explain only 45% of variability in vitamin D levels in Kuwaiti adolescents, suggesting that genetics might contribute to VDD in this region. Single nucleotide polymorphisms (SNP) in the 25-hydroxylase (CYP2R1) and the GC globulin (GC) genes have been reported to affect vitamin D levels in various ethnic groups in adults. In this study, we investigated the association of two SNPs from GC (rs4588 and rs7041) and three SNPs from CYP2R1 (rs10741657, rs11023374 and rs12794714) with vitamin D levels and VDD in a nationally representative sample of adolescents of Arab ethnicity from Kuwait. Multivariable linear regression, corrected for age, sex, parental education, governorate, body mass index, and exposure to sun, demonstrated that each of the 5 study variants showed significant associations with plasma 25(OH)D levels in one or more of the additive, recessive, and dominant genetic models - the rs10741657 under all the three models, rs12794714 under both the additive and recessive models, rs7041 under the recessive model; and rs4588 and rs11023374 under the dominant model. Minor alleles at rs4588 (T), rs7041 (A), rs11023374 (C), and rs12794714 (A) led to a decrease in plasma 25(OH)D levels - rs4588:[β (95%CI) = -4.522 (-8.66,-0.38); p=0.033]; rs7041:[β (95%CI) = -6.139 (-11.12,-1.15); p=0.016]; rs11023374:[β (95%CI) = -4.296 (-8.18,-0.40); p=0.031]; and rs12794714:[β (95%CI) = -3.498 (-6.27,-0.72); p=0.014]. Minor allele A at rs10741657 was associated with higher levels of plasma 25(OH)D levels [β (95%CI) = 4.844 (1.62,8.06); p=0.003)] and lower odds of vitamin D deficiency (OR 0.40; p=0.002). These results suggest that the CYP2R1 and GC SNP variants are partly responsible for the high prevalence of VDD in Kuwait. Genotyping these variants may be considered for the prognosis of VDD in Kuwait.
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Affiliation(s)
- Abdur Rahman
- Department of Food Science and Nutrition, College of Life Sciences, Kuwait University, Kuwait City, Kuwait
| | - Mohamed Abu-Farha
- Department of Biochemistry & Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Arshad Channanath
- Department of Genetics & Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Maha M. Hammad
- Department of Biochemistry & Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Emil Anoop
- Special Services Facilities, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Betty Chandy
- Special Services Facilities, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Motasem Melhem
- Special Services Facilities, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Fahd Al-Mulla
- Department of Genetics & Bioinformatics, Dasman Diabetes Institute, Kuwait City, Kuwait
| | | | - Jehad Abubaker
- Department of Biochemistry & Molecular Biology, Dasman Diabetes Institute, Kuwait City, Kuwait
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Eleftheriou A, Ong KK, Hughes IA, Petry CJ. Leptin and IGF-1 in Infancy Are Associated With Variants in DHCR7 and CYP2R1 That Relate With Type 1 Diabetes and 25OHD. J Clin Endocrinol Metab 2023; 108:e1394-e1402. [PMID: 37170809 PMCID: PMC10584008 DOI: 10.1210/clinem/dgad263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/13/2023]
Abstract
CONTEXT Vitamin D has been variably implicated in risk of developing type 1 diabetes based on cohorts of at-risk individuals. Emergent type 1 diabetes in childhood is putatively preceded by altered growth. OBJECTIVE We explored whether polymorphisms in vitamin D metabolism genes modify risk of type 1 diabetes via effects on growth in a prospective, population-based cohort of infants. METHODS The Cambridge Baby Growth Study enrolled newborns from Cambridgeshire, UK, for follow-up in infancy. In 612 infants, we genotyped single nucleotide polymorphisms in vitamin D metabolism genes that relate with type 1 diabetes: rs10741657 and rs12794714 in CYP2R1, rs12785878 in DHCR7, and rs10877012 in CYP27B1. Multivariate linear regression analyses tested associations between genotypes and anthropometric indices (weight, length, and skinfold thickness) or growth-related hormones (C-peptide, IGF-1, and leptin) in infancy. RESULTS Birth weight showed borderline associations with the diabetes risk-increasing alleles in CYP2R1, rs10741657 (β = -.11, P = .02) and rs12794714 (β = -.09, P = .04). The risk-increasing allele rs12794714 was also associated with higher IGF-1 levels at age 24 months (β = .30, P = .01). At age 3 months, the risk-increasing allele rs12785878 in DHCR7, known to negatively associate with 25-hydroxyvitamin D levels, showed a positive association with leptin levels (β = .23, P = .009), which was pronounced in girls (P = .004) vs boys (P = .7). CONCLUSION The vitamin D metabolism genes DHCR7 and CYP2R1 might influence infancy leptin and IGF-1 levels respectively. These findings open the possibility for a developmental role of vitamin D that is mediated by growth-related hormones with implications for the onset of type 1 diabetes autoimmunity.
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Affiliation(s)
| | - Ken K Ong
- Department of Paediatrics, University of Cambridge, Cambridge CB2 0QQ, UK
- MRC Epidemiology Unit, University of Cambridge, Cambridge CB2 0QQ, UK
- Institute of Metabolic Science, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Ieuan A Hughes
- Department of Paediatrics, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Clive J Petry
- Department of Paediatrics, University of Cambridge, Cambridge CB2 0QQ, UK
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Asghari G, Yuzbashian E, Najd-Hassan-Bonab L, Mirmiran P, Daneshpour MS, Azizi F. Association of rs2282679 polymorphism in vitamin D binding protein gene (GC) with the risk of vitamin D deficiency in an iranian population: season-specific vitamin D status. BMC Endocr Disord 2023; 23:217. [PMID: 37814286 PMCID: PMC10563356 DOI: 10.1186/s12902-023-01463-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Accepted: 09/18/2023] [Indexed: 10/11/2023] Open
Abstract
BACKGROUND Genome-wide association studies in Western countries indicate a considerable impact of variations in vitamin D binding protein (GC) genes on serum concentrations of 25-hydroxyvitamin D (25(OH)D). We aimed to investigate an association between rs2282679 polymorphism in GC and vitamin D deficiency. METHODS A cross-sectional study conducted in the framework of the Tehran Cardio-Metabolic Genetic Study (TCGS) cohort. A total of 1568 participants aged > 18 years were randomly selected, and their 25(OH) D concentration was measured. Vitamin D deficiency was assessed concerning rs2282679 by descriptive and multivariate analysis, odds ratio (OR), and 95% confidence intervals (95%CI) calculated. Since the interaction term between rs2282679 and recruitment season was significant, we performed regression analysis separately for individuals whose blood was taken in high sunny and those whose blood was drawn in the low sunny season. RESULTS The rs2282679 polymorphism was in Hardy-Weinberg equilibrium (P > 0.05) in the studied population. The serum concentration of 25(OH) D median was 15.0 ng/mL, and the prevalence of VDD was 27.8%. The presence of the G allele in rs2282679 increases the risk of VDD in additive (OR = 1.35, 95% CI: 1.06-1.73) and dominant (OR = 1.33, 95% CI: 1.06-1.68) genetic models. After separating participants based on the recruitment season, the unfavorable association was observed in the additive and dominant only in the low sunny season. CONCLUSION The finding of the current study indicates that the GC rs2282679 SNP is associated with vitamin D deficiency. It seems that the impact of risk allele increased in the low sunny season when UV exposure has been declined.
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Affiliation(s)
- Golaleh Asghari
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Emad Yuzbashian
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Najd-Hassan-Bonab
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 19195-4763, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam S Daneshpour
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, 19195-4763, Iran.
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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19
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Pérez-Jeldres T, Bustamante ML, Segovia-Melero R, Aguilar N, Magne F, Ascui G, Uribe D, Azócar L, Hernández-Rocha C, Estela R, Silva V, De La Vega A, Arriagada E, Gonzalez M, Onetto GF, Escobar S, Baez P, Zazueta A, Pavez-Ovalle C, Miquel JF, Álvarez-Lobos M. Genotype Prevalence of Lactose Deficiency, Vitamin D Deficiency, and the Vitamin D Receptor in a Chilean Inflammatory Bowel Disease Cohort: Insights from an Observational Study. Int J Mol Sci 2023; 24:14866. [PMID: 37834314 PMCID: PMC10573577 DOI: 10.3390/ijms241914866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/28/2023] [Accepted: 09/29/2023] [Indexed: 10/15/2023] Open
Abstract
Lactose intolerance (LI) and vitamin D deficiency (VDD) have been linked to inflammatory bowel disease (IBD). We conducted an observational study in 192 Chilean IBD patients to investigate the prevalence of a specific gene variant (LCT-13910 CC genotype) associated with LI and the prevalence of VDD/Vitamin D Receptor (VDR) gene variants. Blood samples were analyzed using Illumina's Infinium Global Screening Array. The LCT-13910 CC genotype was found in 61% of IBD patients, similar to Chilean Hispanic controls and lower than Chilean Amerindian controls. The frequency of the LCT-13910-C allele in Chilean IBD patients (0.79) was comparable to the general population and higher than Europeans (0.49). Regarding VDR and VDD variants, in our study, the rs12785878-GG variant was associated with an increased risk of IBD (OR = 2.64, CI = 1.61-4.32; p-value = 0.001). Sixty-one percent of the Chilean IBD cohort have a genetic predisposition to lactose malabsorption, and a significant proportion exhibit genetic variants associated with VDD/VDR. Screening for LI and VDD is crucial in this Latin American IBD population.
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Affiliation(s)
- Tamara Pérez-Jeldres
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - M. Leonor Bustamante
- Biomedical Sciences Institute, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile
- Fundación Diagnosis, Santiago 7500580, Chile
| | | | - Nataly Aguilar
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Fabien Magne
- Biomedical Sciences Institute, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile
| | - Gabriel Ascui
- La Jolla Institute for Immunology, San Diego, CA 92037, USA
| | - Denisse Uribe
- Instituto de Nutrición y Tecnología de Alimentos, Facultad de Medicina Universidad de Chile, Santiago 8380453, Chile
| | - Lorena Azócar
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Cristián Hernández-Rocha
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Ricardo Estela
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Verónica Silva
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Andrés De La Vega
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Elizabeth Arriagada
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Mauricio Gonzalez
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Gian-Franco Onetto
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Sergio Escobar
- Department of Gastroenterology, Hospital San Borja Arriarán, Santiago 8360160, Chile (M.G.)
| | - Pablo Baez
- Center of Medical Informatics and Telemedicine, University of Chile, Santiago 8380453, Chile
| | - Alejandra Zazueta
- Biomedical Sciences Institute, Faculty of Medicine, Universidad de Chile, Santiago 8380453, Chile
| | - Carolina Pavez-Ovalle
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Juan Francisco Miquel
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
| | - Manuel Álvarez-Lobos
- Department of Gastroenterology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile
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20
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Pal R, Choudhury S, Kumar H, Dey S, Das N, Basu BR. Vitamin D deficiency and genetic polymorphisms of vitamin D-associated genes in Parkinson's disease. Eur J Neurosci 2023; 58:3362-3377. [PMID: 37485791 DOI: 10.1111/ejn.16098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 07/04/2023] [Accepted: 07/04/2023] [Indexed: 07/25/2023]
Abstract
Parkinson's disease (PD) and vitamin D share a unique link as vitamin D deficiency (VDD) prevails in PD. Thus, an in-depth understanding of vitamin D biology in PD might be crucial for therapeutic strategies emphasising vitamin D. Specifically, explicating the effect of VDD and genetic polymorphisms of vitamin D-associated genes in PD, like VDR (vitamin D receptor) or GC (vitamin D binding protein) may aid the process along with polymorphisms of vitamin D metabolising genes (e.g., CYP2R1 and CYP27A1) in PD. Literature review of single nucleotide polymorphisms (SNPs) related to vitamin D levels [GC (GC1-rs7041 and GC2-rs4588), CYP2R1, CYP24A1 and CYP27B1] and vitamin D function [VDR (FokI - rs2228570 and rs10735810; ApaI - rs7976091, rs7975232BsmI and rs1544410; and TaqI - rs731236)] was conducted to explore their relationship with PD severity globally. VDR-FokI polymorphism was reported to be significantly associated with PD in Hungarian, Chinese and Japanese populations, whereas VDR-ApaI polymorphism was found to affect PD in the Iranian population. However, VDR-TaqI and BsmI polymorphisms had no significant association with PD severity. Conversely, GC1 polymorphisms reportedly affected vitamin D levels without influencing the disease severity. CYP2R1 (excluding rs1993116) was also reportedly linked to clinical manifestations of PD. Genetic polymorphisms might cause VDD despite enough sunlight exposure and vitamin D-rich food intake, enhancing inflammation, there by influencing PD pathophysiology. Knowledge of the polymorphisms associated with VDD appears promising for developing precision vitamin D-dosing therapeutic strategies against PD.
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Affiliation(s)
- Randrita Pal
- Department of Physiology, Surendranath College, University of Calcutta, Kolkata, India
- Institute of Neurosciences, Kolkata, India
- Department of Physiology, University of Calcutta, Kolkata, India
| | | | | | - Sanjit Dey
- Department of Physiology, University of Calcutta, Kolkata, India
| | - Nilansu Das
- Department of Molecular Biology, Surendranath College, University of Calcutta, Kolkata, India
| | - Barnali Ray Basu
- Department of Physiology, Surendranath College, University of Calcutta, Kolkata, India
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Hussein MM, Mohamed EM, Kamal TM, Deraz TE. Increased susceptibility to complicated pneumonia among egyptian children with FokI (rs2228570), not TaqI (rs731236), vitamin D receptor gene polymorphism in association with vitamin D deficiency: a case-control study. BMC Pediatr 2023; 23:394. [PMID: 37559014 PMCID: PMC10410927 DOI: 10.1186/s12887-023-04192-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 07/14/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Determining a genetic contribution to the development of complicated community-acquired pneumonia in children may help understand underlying pathogenesis. We aimed to investigate the association between two vitamin D receptor (VDR) gene polymorphisms, FokI and TaqI, and susceptibility to complicated pneumonia in Egyptian children compared to uncomplicated pneumonia. Associations with 25 hydroxy-vitamin D serum level were studied. METHODS This was a case-control study that included 320 participants divided into 2 groups: patients and controls. The patients' group included 100 children hospitalized with complicated pneumonia and 100 with uncomplicated pneumonia. 120 age and sex-matched apparently healthy children served as controls. The VDR FokI and TaqI polymorphisms were genotyped using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique. 25 hydroxy-vitamin D level was estimated in serum using ELISA. RESULTS Regarding FokI, homozygous CC genotype was more common in complicated (52%) than uncomplicated pneumonia (28%) and controls (10%) (OR = 65; 95%CI (5.13-822.63), p < 0.001) and (OR = 4.3; 95%CI (0.7-27.16), p = 0.003), respectively. Children carrying C allele possessed 3 higher odds for complicated than uncomplicated pneumonia (OR = 3.08; 95%CI (1.33-7.14), p < 0.001). Heterozygous CT genotype increased susceptibility to complicated pneumonia (OR = 13.7; 95%CI (4.6-40.1), p < 0.001), not uncomplicated pneumonia (OR = 1.56; 95%CI (0.86-2.85), p = 0.145). Among complicated pneumonia, vitamin D level was lower in CC (6.92 ± 2.6ng/ml) than CT (9.55 ± 3.2 ng/ml) and TT genotype carriers (13.13 ± 3.6ng/ml) (p < 0.001). There was no significant difference between patients and controls as regards TaqI genotypes and alleles. CONCLUSION In association with vitamin D deficiency, VDR gene FokI polymorphism, not TaqI, is a genetic risk factor for complicated pneumonia in Egyptian children.
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Affiliation(s)
- Mahitab Morsy Hussein
- Pediatrics Department, Faculty of Medicine, Ain Shams University, Cairo, 1156, Egypt.
| | - Enas Maher Mohamed
- Pediatrics Department, Faculty of Medicine, Ain Shams University, Cairo, 1156, Egypt
| | - Tarek Mostafa Kamal
- Medical Genetics Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Tharwat Ezzat Deraz
- Pediatrics Department, Faculty of Medicine, Ain Shams University, Cairo, 1156, Egypt
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22
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Kim HT, Lee SH, Lee JK, Chung SW. Influence of Vitamin D Deficiency on the Expression of Genes and Proteins in Patients With Medium Rotator Cuff Tears. Am J Sports Med 2023; 51:2650-2658. [PMID: 37449678 DOI: 10.1177/03635465231184392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
BACKGROUND Whether vitamin D deficiency is related to rotator cuff muscle and tendon physiology is controversial. PURPOSE To assess the relationship between vitamin D deficiency and various gene expression patterns in patients with rotator cuff tears. STUDY DESIGN Controlled laboratory study. METHODS During arthroscopic surgery, samples from the supraspinatus muscle, deltoid muscle, and supraspinatus tendon were acquired from 12 patients with vitamin D deficiency (serum 25-hydroxyvitamin D concentration <20 ng/dL) and 12 patients with sufficient vitamin D levels (control group, serum 25-hydroxyvitamin D concentration ≥30 ng/dL) who were matched for age, sex, and tear size. Alterations in the expression of genes and proteins associated with myogenesis, muscle atrophy, adipogenesis, inflammation, and apoptosis, as well as in vitamin D receptor expression, were assessed using quantitative reverse transcription polymerase chain reaction, Western blotting, and immunohistochemistry and were compared between the 2 groups. RESULTS Vitamin D receptor gene expression in the deltoid muscle was significantly lower in the vitamin D deficiency group than in the control group (P = .043). Additionally, in the deltoid muscle, myoDgene expression levels were lower and atrogin levels were higher in the vitamin D deficiency group than in the control group (P = .034 and P = .011, respectively). However, in the supraspinatus muscle, no differences were observed between groups in the expression of myogenesis- or atrophy-related genes (all P > .05). The expression of inflammation-related genes (interleukin (IL)-1β and IL-6) was significantly higher in the vitamin D deficiency group, in both the deltoid and supraspinatus muscles (all P < .05). The supraspinatus tendon tissue did not show any significant differences in any gene expression evaluated (all P > .05). A correlation between gene and protein expression was observed for atrogin and IL-1β in the deltoid muscle (P = .019 and P = .037, respectively) and for IL-6 in the supraspinatus muscle (P = .044). CONCLUSION Vitamin D deficiency was not associated with the expression of myogenesis-related or muscle atrophy-related genes in the supraspinatus muscle of patients with rotator cuff tears, unlike in the deltoid muscle; rather, vitamin D deficiency was associated with increased proinflammatory cytokine expression. CLINICAL RELEVANCE In patients with rotator cuff tears, vitamin D deficiency was observed to be associated with increased levels of proinflammatory cytokines in the rotator cuff muscles, without significant changes in gene expression related to myogenesis or muscle atrophy.
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Affiliation(s)
- Hyun Tae Kim
- Research Institute of Medical Science, Konkuk University School of medicine, Seoul, Republic of Korea
| | - Su Hyun Lee
- Research Institute of Medical Science, Konkuk University School of medicine, Seoul, Republic of Korea
| | - Jeong Kun Lee
- Research Institute of Medical Science, Konkuk University School of medicine, Seoul, Republic of Korea
| | - Seok Won Chung
- Research Institute of Medical Science, Konkuk University School of medicine, Seoul, Republic of Korea
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Varadharajan A, Sibin M, Athira S, Ghosh AK, Misra P. Correlation of CYP2R1 gene promoter methylation with circulating vitamin D levels among healthy adults. Indian J Med Res 2023; 158:197-200. [PMID: 37675692 PMCID: PMC10645036 DOI: 10.4103/ijmr.ijmr_3493_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Indexed: 09/08/2023] Open
Abstract
Background & objectives Despite being a tropical country, vitamin D deficiency is highly prevalent in India with studies indicating 40-99 per cent prevalence. Apart from calcium and phosphate metabolism, vitamin D is involved in cell cycle regulation, cardiovascular, hepatoprotection. The metabolism of vitamin D is regulated by vitamin D tool genes (CYP2R1/CYP27B1/CYP24A1/VDR). The promoter regions of some of these genes have CpG islands, making them prone to methylation induced gene silencing, which may cause a reduction in circulating vitamin D levels. Epigenetic basis of vitamin D deficiency is yet to be studied in India, and hence, this pilot study was aimed to analyze whether methylation levels of CYP2R1 gene were correlated with the levels of 25(OH)D in healthy, adult individuals in Indian population. Methods In this cross-sectional study, healthy adults of 18-45 yr of age with no history of malabsorption, thyroidectomy, chronic illness or therapeutic vitamin D supplementation were recruited. DNA methylation analysis was carried out by methylation specific quantitative PCR. Serum calcium, phosphate and vitamin D levels were also quantified. Statistical analysis was done by R 4.0.5 software. Results A total of 61 apparently healthy adults were analyzed. The serum vitamin D levels did not correlate with CYP2R1 methylation levels in our study population. Significant positive correlation was observed between age and serum vitamin D levels. Significant association of gender was found with CYP2R1 methylation levels. Interpretation & conclusions This study found no significant correlation between levels of CYP2R1 methylation and circulating 25(OH)D deficiency. Further studies on the Indian population having a larger sample size including entire vitamin D tool genes, among different ethnic groups may be conducted to elucidate molecular etiology of circulating 25(OH)D deficiency. The high prevalence of normal serum calcium and phosphate levels among vitamin D deficient subjects in this study coupled with the strikingly high prevalence of the deficiency at the national level, may suggest the need to revise the cut-off criteria for vitamin D deficiency in the Indian population.
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Affiliation(s)
- Ashvin Varadharajan
- Department of Biochemistry, Armed Forces Medical College, Pune, Maharashtra, India
| | - M.K. Sibin
- Department of Biochemistry, Armed Forces Medical College, Pune, Maharashtra, India
| | - S.V. Athira
- Department of Biochemistry, Armed Forces Medical College, Pune, Maharashtra, India
| | - Arijit Kumar Ghosh
- Department of Cardiology, Army Institute of Cardio Thoracic Sciences, Pune, Maharashtra, India
| | - Pratibha Misra
- Department of Biochemistry, Armed Forces Medical College, Pune, Maharashtra, India
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24
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Abstract
Tweetable abstract Epigenetic insights into vitamin D deficiency, a global health concern, are described here. This editorial illuminates the role of epigenetic mechanisms in understanding the molecular basis of vitamin D deficiency, shedding light on precision medicine.
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Affiliation(s)
- Nagham Nafiz Hendi
- Division of Genomics & Translational Biomedicine, College of Health & Life Sciences, Hamad Bin Khalifa University, Doha, P.O. Box 34110, Qatar
| | - Georges Nemer
- Division of Genomics & Translational Biomedicine, College of Health & Life Sciences, Hamad Bin Khalifa University, Doha, P.O. Box 34110, Qatar
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25
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Kaushik H, Mahajan R, Dabas G, Shrivastava N, Ashraf R, De D, Pal A, Kumar R, Handa S. A cross-sectional study to find association of VDR gene polymorphism with non-syndromic congenital ichthyosis and with vitamin D deficiency. Arch Dermatol Res 2023; 315:551-557. [PMID: 36192561 DOI: 10.1007/s00403-022-02399-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 08/22/2022] [Accepted: 09/12/2022] [Indexed: 11/27/2022]
Abstract
Though development of vitamin D deficiency and rickets in patients with congenital ichthyosis (CI) have recently been observed, yet exact cause of such association is not properly understood. To evaluate association between Vitamin D Receptor (VDR) polymorphism and CI, and to identify risk factors responsible for development of vitamin D deficiency in ichthyosis. In this cross-sectional study, detailed history of patients and controls was noted and certain biochemical investigations were made. Immunohistochemical staining of skin tissue was done for VDR expression in epidermal and dermal region of ichthyosis patients. VDR polymorphism was assessed in all participants. Ninety-six subjects, were recruited. Mean serum vitamin D was significantly lower among ichthyosis patients. Cdx-2 polymorphism was found to be significantly associated with ichthyosis (p = 0.009). Within the diseased group, Fok-1 (p = 0.035), age (p = 0.020) and alkaline phosphatase (ALP) (p = 0.007) emerged as factors which might be associated with vitamin D deficiency. Cdx2 polymorphism was significantly associated with CI patients. Also, association of Fok-1 polymorphism along with age and raised serum ALP levels emerged as potential factors for determining CI-related vitamin D deficiency.
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Affiliation(s)
- Hitaishi Kaushik
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
| | - Rahul Mahajan
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India.
| | - Garima Dabas
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
| | - Niharika Shrivastava
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
| | - Raihan Ashraf
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
| | - Dipankar De
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
| | - Arnab Pal
- Department of Biochemistry, PGIMER, Chandigarh, 160012, India
| | - Rakesh Kumar
- Endocrinology Division, Department of Pediatrics, PGIMER, Chandigarh, 160012, India
| | - Sanjeev Handa
- Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, 160012, India
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Chojnacki M, Lemieszek MK. Role of vitamin D3 in selected pulmonary diseases with particular emphasis on lung fibrosis. Ann Agric Environ Med 2023; 30:31-44. [PMID: 36999853 DOI: 10.26444/aaem/161583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
INTRODUCTION AND OBJECTIVE For many years vitamin D3 was known only as a regulator of the calcium-phosphate and water-electrolyte balances. Recent studies have paid special attention to other biological effects of calcitriol (the bioactive form of vitamin D3) with particular emphasis on its influence on immune function. Thus, any alterations, especially deficiencies, in the physiological level of calcitriol have serious health consequences. The aim of the study was to summarise the current state of knowledge concerning the role of vitamin D3 in selected pulmonary diseases. REVIEW METHODS The review was based on data obtained from articles published in PubMed between 2000-2022. Papers were reviewed for scientific merit and relevance. BRIEF DESCRIPTION OF THE STATE OF KNOWLEDGE In the reviewed literature, much attention was paid to clinical studies focused on the role of vitamin D3 in the pathogenesis of selected respiratory diseases. As revealed in research over the last two decades, vitamin D3 deficiency increases the risk and worsens the course of asthma, cystic fibrosis, chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, as well as COVID-19. Surprisingly, vitamin D supplementation has not always proved to be an effective therapeutic strategy. The review also presents the unique concept of the possibility of using vitamin D3 in the prevention and treatment of pulmonary fibrosis in the course of hypersensitivity pneumonitis. SUMMARY Due to the multiplicity and variety of factors that affect the metabolism of vitamin D3, effective counteracting, and even more eliminating the negative consequences of disorders in the level and activity of calcitriol in the respiratory tract, seems to be a breakneck action. On the other hand, only a deep understanding of the role of calcitriol in the pathogenesis of lung diseases provides the chance to develop an effective therapy.
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Affiliation(s)
- Michał Chojnacki
- Department of Medical Biology, Institute of Rural Health, Lublin, Poland
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Zhou A, Hyppönen E. Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study. Int J Epidemiol 2023; 52:260-271. [PMID: 35579027 PMCID: PMC9908047 DOI: 10.1093/ije/dyac087] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 04/08/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Low vitamin D status is often associated with systemic low-grade inflammation as reflected by elevated C-reactive protein (CRP) levels. We investigated the causality and direction of the association between vitamin D status and CRP using linear and non-linear Mendelian randomization (MR) analyses. METHODS MR analyses were conducted using data from 294 970 unrelated participants of White-British ancestry from the UK Biobank. Serum 25-hydroxyvitamin D [25(OH)D] and CRP concentrations were instrumented using 35 and 46 genome-wide significant variants, respectively. RESULTS In non-linear MR analysis, genetically predicted serum 25(OH)D had an L-shaped association with serum CRP, where CRP levels decreased sharply with increasing 25(OH)D concentration for participants within the deficiency range (<25 nmol/L) and levelled off at ∼50 nmol/L of 25(OH)D (Pnon-linear = 1.49E-4). Analyses using several pleiotropy-robust methods provided consistent results in stratified MR analyses, confirming the inverse association between 25(OH)D and CRP in the deficiency range (P = 1.10E-05) but not with higher concentrations. Neither linear or non-linear MR analysis supported a causal effect of serum CRP level on 25(OH)D concentration (Plinear = 0.32 and Pnon-linear = 0.76). CONCLUSION The observed association between 25(OH)D and CRP is likely to be caused by vitamin D deficiency. Correction of low vitamin D status may reduce chronic inflammation.
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Affiliation(s)
- Ang Zhou
- Australian Center for Precision Health, University of South Australia Cancer Research Institute, Adelaide, Australia
- South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Elina Hyppönen
- Corresponding author. Australian Center for Precision Health, University of South Australia Cancer Research Institute, GPO Box 2471, Adelaide, SA 5001, Australia. E-mail:
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Parlato LA, Welch R, Ong IM, Long J, Cai Q, Steinwandel MD, Blot WJ, Zheng W, Warren Andersen S. Genome-wide association study (GWAS) of circulating vitamin D outcomes among individuals of African ancestry. Am J Clin Nutr 2023; 117:308-316. [PMID: 36811574 PMCID: PMC10196601 DOI: 10.1016/j.ajcnut.2022.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 12/01/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Vitamin D deficiency is more common among African-ancestry individuals and may be associated with adverse health outcomes. Vitamin D binding protein (VDBP) regulates concentrations of biologically active vitamin D. OBJECTIVE We conducted genome-wide association study (GWAS) of VDBP and 25-hydroxyvitamin D among African-ancestry individuals. METHODS Data were collected from 2,602 African American adults from the Southern Community Cohort Study (SCCS) and 6,934 African- or Caribbean-ancestry adults from the UK Biobank. Serum VDBP concentrations were available only in the SCCS and were measured by using the Polyclonal Human VDBP ELISA kit. Serum 25-hydroxyvitamin D concentrations for both study samples were measured by using Diasorin Liason, a chemiluminescent immunoassay. Participants were genotyped for single nucleotide polymorphisms (SNPs) with genome-wide coverage by using Illumina or Affymetrix platforms. Fine-mapping analysis was performed by using forward stepwise linear regression models including all variants with P value < 5 × 10-8 and within 250 kbps of a lead SNP. RESULTS We identified 4 loci notably associated with VDBP concentrations in the SCCS population: rs7041 (per allele β = 0.61 μg/mL, SE = 0.05, P = 1.4 × 10-48) and rs842998 (per allele β = 0.39 μg/mL, SE = 0.03, P = 4.0 × 10-31) in GC, rs8427873 (per allele β = 0.31 μg/mL, SE = 0.04, P = 3.0 × 10-14) near GC and rs11731496 (per allele β = 0.21 μg/mL, SE = 0.03, P = 3.6 × 10-11) in between GC and NPFFR2. In conditional analyses, which included the above-mentioned SNPs, only rs7041 remained notable (P = 4.1 × 10-21). SNP rs4588 in GC was the only GWAS-identified SNP associated with 25-hydroxyvitamin D concentration. Among UK Biobank participants: per allele β = -0.11 μg/mL, SE = 0.01, P = 1.5 × 10-13; in the SCCS: per allele β = -0.12 μg/mL, SE = 0.06, P = 2.8 × 10-02). rs7041 and rs4588 are functional SNPs that influence the binding affinity of VDBP to 25-hydroxyvitamin D. CONCLUSIONS Our results were in line with previous studies conducted in European-ancestry populations, showing that GC, the gene that directly encodes for VDBP, would be important for VDBP and 25-hydroxyvitamin D concentrations. The current study extends our knowledge of the genetics of vitamin D in diverse populations.
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Affiliation(s)
- Lisa A Parlato
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Rene Welch
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; University of Wisconsin Carbone Cancer Center, Madison, WI, USA; Department of Obstetrics and Gynecology, UW-Health Hospital, University of Wisconsin-Madison, Madison, WI, USA
| | - Irene M Ong
- Department of Biostatistics and Medical Informatics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; University of Wisconsin Carbone Cancer Center, Madison, WI, USA; Department of Obstetrics and Gynecology, UW-Health Hospital, University of Wisconsin-Madison, Madison, WI, USA
| | - Jirong Long
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Qiuyin Cai
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Mark D Steinwandel
- International Epidemiology Field Station, Vanderbilt Institute for Clinical and Translational Research, Nashville, TN, USA
| | - William J Blot
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA; International Epidemiology Field Station, Vanderbilt Institute for Clinical and Translational Research, Nashville, TN, USA
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Shaneda Warren Andersen
- Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA; University of Wisconsin Carbone Cancer Center, Madison, WI, USA; Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA.
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Mirza I, Mohamed A, Deen H, Balaji S, Elsabbahi D, Munasser A, Naquiallah D, Abdulbaseer U, Hassan C, Masrur M, Bianco FM, Ali MM, Mahmoud AM. Obesity-Associated Vitamin D Deficiency Correlates with Adipose Tissue DNA Hypomethylation, Inflammation, and Vascular Dysfunction. Int J Mol Sci 2022; 23:ijms232214377. [PMID: 36430854 PMCID: PMC9694734 DOI: 10.3390/ijms232214377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Vitamin D (VD) deficiency is a hallmark of obesity and vascular dysfunction. We sought to test the hypothesis that VD deficiency may contribute to obesity-related vascular dysfunction by inducing adipokine hypomethylation and augmented expression. To this end, we collected blood and adipose tissues (ATs) from a cohort of 77 obese participants who were classified as having mild, moderate, or severe VD deficiency. The body composition, vascular reactivity, cardiometabolic profiles, and DNA methylation of 94 inflammation-related adipokines were measured. Our results show that higher degrees of VD deficiency were associated with lower DNA methylation and induced the expression of inflammatory adipokines such as B-cell lymphoma 6 (BCL6), C-X-C Motif Chemokine Ligand 8 (CXCL8), histone deacetylase 5 (HDAC5), interleukin 12A (IL12A), and nuclear factor κB (NFκB) in the ATs. They were also associated with higher BMI and total and visceral fat mass, impaired insulin sensitivity and lipid profiles, AT hypoxia, and higher concentrations of circulating inflammatory markers. Moderate and severe VD deficiency correlated with impaired vasoreactivity of the brachial artery and AT-isolated arterioles, reduced nitric oxide generation, and increased arterial stiffness. In a multivariate regression analysis, the VD deficiency level strongly predicted the adipokine methylation score, systemic inflammation, and microvascular dysfunction. In conclusion, our findings suggest that VD deficiency is a possible contributor to obesity-related adipokine hypomethylation, inflammation, and vascular dysfunction.
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Affiliation(s)
- Imaduddin Mirza
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Ariej Mohamed
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Hania Deen
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Swetha Balaji
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Duaa Elsabbahi
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Amier Munasser
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Dina Naquiallah
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Uzma Abdulbaseer
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Chandra Hassan
- Department of Surgery, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Mario Masrur
- Department of Surgery, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Francesco M. Bianco
- Department of Surgery, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Mohamed M. Ali
- Department of Physical Therapy, College of Applied Health Sciences, The University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Abeer M. Mahmoud
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, College of Medicine, The University of Illinois at Chicago, Chicago, IL 60612, USA
- Department of Kinesiology and Nutrition, College of Applied Health Sciences, The University of Illinois at Chicago, Chicago, IL 60612, USA
- Correspondence:
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Alcalá-Santiago Á, Rodríguez-Barranco M, Rava M, Jiménez-Sousa MÁ, Gil Á, Sánchez MJ, Molina-Montes E. Vitamin D Deficiency and COVID-19: A Biological Database Study on Pathways and Gene-Disease Associations. Int J Mol Sci 2022; 23:ijms232214256. [PMID: 36430729 PMCID: PMC9699081 DOI: 10.3390/ijms232214256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
Vitamin D (VD) is a fat-soluble vitamin, and pivotal for maintaining health. Several genetic markers have been related to a deficient VD status; these markers could confer an increased risk to develop osteoporosis and other chronic diseases. A VD deficiency could also be a determinant of a severe COVID-19 disease. This study aimed to interrogate genetic/biological databases on the biological implications of a VD deficiency and its association with diseases, to further explore its link with COVID-19. The genetic variants of both a VD deficiency and COVID-19 were identified in the genome-wide association studies (GWAS) catalog and other sources. We conducted enrichment analyses (considering corrected p-values < 0.05 as statistically significant) of the pathways, and gene-disease associations using tools, such as FUMA, REVIGO, DAVID and DisGeNET, and databases, such as the Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO). There were 26 and 46 genes associated with a VD deficiency and COVID-19, respectively. However, there were no genes shared between the two. Genes related to a VD deficiency were involved in the metabolism of carbohydrates, retinol, drugs and xenobiotics, and were associated with the metabolic syndrome and related factors (obesity, hypertension and diabetes mellitus), as well as with neoplasms. There were few enriched pathways and disease connections for the COVID-19-related genes, among which some of the aforementioned comorbidities were also present. In conclusion, genetic factors that influence the VD levels in the body are most prominently associated with nutritional and metabolic diseases. A VD deficiency in high-risk populations could be therefore relevant in a severe COVID-19, underlining the need to examine whether a VD supplementation could reduce the severity of this disease.
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Affiliation(s)
- Ángela Alcalá-Santiago
- Department of Nutrition and Food Science, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
- Institute of Nutrition and Food Technology (INYTA) ‘José Mataix’, Biomedical Research Centre, University of Granada, Avenida del Conocimiento s/n, 18071 Granada, Spain
| | - Miguel Rodríguez-Barranco
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
- Andalusian School of Public Health, Cuesta del Observatorio 4, 18012 Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
- Correspondence: (M.R.-B.); (M.J.S.)
| | - Marta Rava
- National Center of Epidemiology (CNE), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), 28029 Madrid, Spain
| | - María Ángeles Jiménez-Sousa
- CIBER de Enfermedades Infecciosas (CIBERINFEC), 28029 Madrid, Spain
- Unit of Viral Infection and Immunity, National Center for Microbiology (CNM), Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain
| | - Ángel Gil
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
- Institute of Nutrition and Food Technology (INYTA) ‘José Mataix’, Biomedical Research Centre, University of Granada, Avenida del Conocimiento s/n, 18071 Granada, Spain
- Department of Biochemistry and Molecular Biology II, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain
- CIBER de Obesidad y Nutrición (CIBEROBN), 28029 Madrid, Spain
| | - María José Sánchez
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
- Andalusian School of Public Health, Cuesta del Observatorio 4, 18012 Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of Granada, 18011 Granada, Spain
- Correspondence: (M.R.-B.); (M.J.S.)
| | - Esther Molina-Montes
- Department of Nutrition and Food Science, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain
- Instituto de Investigación Biosanitaria ibs.GRANADA, 18012 Granada, Spain
- Institute of Nutrition and Food Technology (INYTA) ‘José Mataix’, Biomedical Research Centre, University of Granada, Avenida del Conocimiento s/n, 18071 Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
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Shan X, Zhao X, Li S, Hu Y, Yang L. [Association of vitamin D gene polymorphisms and serum 25-hydroxyvitamin D in Chinese women of childbearing age]. Wei Sheng Yan Jiu 2022; 51:961-968. [PMID: 36539875 DOI: 10.19813/j.cnki.weishengyanjiu.2022.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
OBJECTIVE To analyze the relationship between vitamin D(VitD)-related single nucleotide polymorphism(SNP) and 25-hydroxyvitamin D(25(OH) D) levels and VitD nutritional status. METHODS A total of 1507 women of childbearing age aged 18-45 were selected from the sample bank of "2015 Chinese adult chronic disease and nutrition monitoring". Basic information(including region, season, age, height, weight, etc. ) of the subjects was collected. The SNPs related to VitD metabolism were screened, and the improved multiple ligase detection reaction was used for SNP testing. Liquid chromatography tandem mass spectrometry was used to determine the serum 25(OH)D concentration. The effects of genotypes on 25(OH)D level and VitD deficiency were analyzed by generalized linear model and binary logistic regression model, respectively. RESULTS After adjusting for latitude, region, region type, season and age, CYP2R1 rs12794714, GC rs2282679, GC rs7041 and VDR rs2228570 were associated with serum 25(OH)D levels in women of childbearing age. The risk of VitD deficiency in individuals carrying GG genotype at rs2282679 was significantly higher than that in individuals carrying TT genotype(OR=2.466, 95%CI 1.690-3.598, P<0.001), and the risk of VitD deficiency in individuals carrying A allele at rs2228570 was lower than that in individuals carrying G allele(OR_(AA)=0.625, 95%CI 0.446-0.876, P_(AA)=0.006;OR_(GA)=0.661, 95%CI 0.502-0.869, P_(GA)=0.003). CONCLUSION The genotype distribution of CYP2R1 rs12794714, GC rs2282679, GC rs7041 and VDR rs2228570 may be related to serum 25(OH)D level or VitD nutritional status of Chinese women of childbearing age.
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Affiliation(s)
- Xiaoyun Shan
- Key Laboratory of Trace Element Nutrition, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Xiayu Zhao
- Key Laboratory of Trace Element Nutrition, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Siran Li
- Key Laboratory of Trace Element Nutrition, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Yichun Hu
- Key Laboratory of Trace Element Nutrition, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Lichen Yang
- Key Laboratory of Trace Element Nutrition, National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing 100050, China
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Hyppönen E, Vimaleswaran KS, Zhou A. Genetic Determinants of 25-Hydroxyvitamin D Concentrations and Their Relevance to Public Health. Nutrients 2022; 14:4408. [PMID: 36297091 PMCID: PMC9606877 DOI: 10.3390/nu14204408] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/14/2022] [Accepted: 10/15/2022] [Indexed: 11/16/2022] Open
Abstract
Twin studies suggest a considerable genetic contribution to the variability in 25-hydroxyvitamin D (25(OH)D) concentrations, reporting heritability estimates up to 80% in some studies. While genome-wide association studies (GWAS) suggest notably lower rates (13−16%), they have identified many independent variants that associate with serum 25(OH)D concentrations. These discoveries have provided some novel insight into the metabolic pathway, and in this review we outline findings from GWAS studies to date with a particular focus on 35 variants which have provided replicating evidence for an association with 25(OH)D across independent large-scale analyses. Some of the 25(OH)D associating variants are linked directly to the vitamin D metabolic pathway, while others may reflect differences in storage capacity, lipid metabolism, and pathways reflecting skin properties. By constructing a genetic score including these 25(OH)D associated variants we show that genetic differences in 25(OH)D concentrations persist across the seasons, and the odds of having low concentrations (<50 nmol/L) are about halved for individuals in the highest 20% of vitamin D genetic score compared to the lowest quintile, an impact which may have notable influences on retaining adequate levels. We also discuss recent studies on personalized approaches to vitamin D supplementation and show how Mendelian randomization studies can help inform public health strategies to reduce adverse health impacts of vitamin D deficiency.
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Affiliation(s)
- Elina Hyppönen
- Australian Centre for Precision Health, Clinical and Health Sciences, University of South Australia, Adelaide, SA 5001, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
| | - Karani S. Vimaleswaran
- Hugh Sinclair Unit of Human Nutrition, Department of Food and Nutritional Sciences, University of Reading, Reading RG6 6DZ, UK
- The Institute for Food, Nutrition and Health (IFNH), University of Reading, Reading RG6 6DZ, UK
| | - Ang Zhou
- Australian Centre for Precision Health, Clinical and Health Sciences, University of South Australia, Adelaide, SA 5001, Australia
- South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
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Foolchand A, Mazaleni S, Ghazi T, Chuturgoon AA. A Review: Highlighting the Links between Epigenetics, COVID-19 Infection, and Vitamin D. Int J Mol Sci 2022; 23:ijms232012292. [PMID: 36293144 PMCID: PMC9603374 DOI: 10.3390/ijms232012292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/16/2022] Open
Abstract
The highly transmittable and infectious COVID-19 remains a major threat worldwide, with the elderly and comorbid individuals being the most vulnerable. While vaccines are currently available, therapeutic drugs will help ease the viral outbreak and prevent serious health outcomes. Epigenetic modifications regulate gene expression through changes in chromatin structure and have been linked to viral pathophysiology. Since epigenetic modifications contribute to the life cycle of the virus and host immune responses to infection, epigenetic drugs are promising treatment targets to ameliorate COVID-19. Deficiency of the multifunctional secosteroid hormone vitamin D is a global health threat. Vitamin D and its receptor function to regulate genes involved in immunity, apoptosis, proliferation, differentiation, and inflammation. Amassed evidence also indicates the biological relations of vitamin D with reduced disease risk, while its receptor can be modulated by epigenetic mechanisms. The immunomodulatory effects of vitamin D suggest a role for vitamin D as a COVID-19 therapeutic agent. Therefore, this review highlights the epigenetic effects on COVID-19 and vitamin D while also proposing a role for vitamin D in COVID-19 infections.
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Mazur A, Frączek P, Tabarkiewicz J. Vitamin D as a Nutri-Epigenetic Factor in Autoimmunity-A Review of Current Research and Reports on Vitamin D Deficiency in Autoimmune Diseases. Nutrients 2022; 14:nu14204286. [PMID: 36296970 PMCID: PMC9611618 DOI: 10.3390/nu14204286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 11/05/2022] Open
Abstract
Epigenetics is a series of alterations regulating gene expression without disrupting the DNA sequence of bases. These regulatory mechanisms can result in embryogenesis, cellular differentiation, X-chromosome inactivation, and DNA-protein interactions. The main epigenetic mechanisms considered to play a major role in both health and disease are DNA methylation, histone modifications, and profiling of non-coding RNA. When the fragile balance between these simultaneously occurring phenomena is disrupted, the risk of pathology increases. Thus, the factors that determine proper epigenetic modeling are defined and those with disruptive influence are sought. Several such factors with proven negative effects have already been described. Diet and nutritional substances have recently been one of the most interesting targets of exploration for epigenetic modeling in disease states, including autoimmunity. The preventive role of proper nutrition and maintaining sufficient vitamin D concentration in maternal blood during pregnancy, as well as in the early years of life, is emphasized. Opportunities are also being investigated for affecting the course of the disease by exploring nutriepigenetics. The authors aim to review the literature presenting vitamin D as one of the important nutrients potentially modeling the course of disease in selected autoimmune disorders.
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Affiliation(s)
- Artur Mazur
- Institute of Medical Sciences, Medical College of Rzeszow University, University of Rzeszów, 35-310 Rzeszow, Poland
| | - Paulina Frączek
- Department of Human Immunology, Institute of Medical Sciences, Medical College of Rzeszow University, University of Rzeszów, 35-310 Rzeszow, Poland
- Correspondence:
| | - Jacek Tabarkiewicz
- Department of Human Immunology, Institute of Medical Sciences, Medical College of Rzeszow University, University of Rzeszów, 35-310 Rzeszow, Poland
- Centre for Innovative Research in Medical and Natural Sciences, Medical Faculty, University of Rzeszów, 35-310 Rzeszow, Poland
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Grant MJ, Wu Z, Snell R, Sluyter J, Khaw KT, Waayer D, Camargo CA, Scragg R. Genetic control of serum 25(OH)D levels and its association with ethnicity. J Steroid Biochem Mol Biol 2022; 222:106149. [PMID: 35760298 DOI: 10.1016/j.jsbmb.2022.106149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 05/25/2022] [Accepted: 06/23/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Identified DNA variants associated with serum 25-hydroxyvitamin vitamin D (25[OH]D) concentration may provide mechanistic insights into the vitamin D metabolic pathway in individuals. Our aim was to further characterise participants and their serum 25(OH)D concentration at baseline using candidate single nucleotide polymorphism (SNP) genotyping. METHODS 5110 participants, aged 50-84 years, were recruited from the community. Blood samples were collected at baseline to measure serum 25(OH)D by liquid chromatography mass spectrometry and the participants were genotyped for four markers close to or within genes in the vitamin D metabolic pathway known to be associated with differences in 25(OH)D. The markers and their associated genes were rs12785878 (DHCR7), rs10741657 (CYP2R1), rs4588 (DBP) and rs2228570 (VDR). RESULTS All four markers had significantly different genotype distributions and minor allele frequencies between the four self-determined ethnicities (European/Other, Māori, Pacific, and South Asian). For example, the frequency in each ethnic group of the G allele for the marker rs12785878 was 0.26, 0.71, 0.89, and 0.78 respectively. Using multivariable regression in the full cohort, three out of four markers were significantly associated with baseline concentrations of 25(OH)D (mean differences: 2.9-10.9 nmol/L). Collectively, the four markers explained 8.4% of the variation in 25(OH)D concentrations. CONCLUSION Significant ethnic variations exist in the distribution of alleles associated with serum 25(OH)D concentration, particularly rs12785878, in a multi-ethnic community sample from New Zealand.
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Affiliation(s)
- Matthew J Grant
- School of Population Health, The University of Auckland, Auckland, New Zealand; School of Biological Sciences, The University of Auckland, Auckland, New Zealand
| | - Zhenqiang Wu
- School of Population Health, The University of Auckland, Auckland, New Zealand
| | - Russell Snell
- School of Biological Sciences, The University of Auckland, Auckland, New Zealand
| | - John Sluyter
- School of Population Health, The University of Auckland, Auckland, New Zealand
| | - Kay-Tee Khaw
- Department of Public Health, University of Cambridge, Cambridge, United Kingdom
| | - Debbie Waayer
- School of Population Health, The University of Auckland, Auckland, New Zealand
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - Robert Scragg
- School of Population Health, The University of Auckland, Auckland, New Zealand.
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Chowdhary R, Khan RB, Masarkar N, Malik R, Goel SK. An association of VDR gene polymorphism in hypovitaminosis D mediated secondary hyperparathyroidism in adolescent girls; a tertiary hospital study in central India. Steroids 2022; 185:109054. [PMID: 35644378 DOI: 10.1016/j.steroids.2022.109054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/02/2022] [Accepted: 05/23/2022] [Indexed: 10/18/2022]
Abstract
Vitamin D is required to maintain normal serum calcium and phosphate levels that help normal bone mineralization, nerve conduction, muscle contraction, immune function, cell proliferation, and differentiation. Interventions including vitamin D supplementation may not improve vitamin D deficiency, as various complex genomic actions could contribute to vitamin D deficiency in the Indian population. Thus, we assessed hypovitaminosis D's relationship with vitamin D receptor (VDR) gene polymorphism and evaluated parathyroid hormone (PTH) levels in seemingly healthy adolescent school-going girls. We included 100 school-going girls (aged 12-17 years) studying in four schools of different socio-economic strata of Bhopal, India. The selected participants were divided into four groups based on the school in which they were studying. Blood samples were tested for serum calcium, phosphorus, PTH, ALP, vitamin D 25(OH) D, and albumin levels.VDR polymorphism was detected through the PCR-RFLP. Data were analyzed using the chi-square test, ANOVA, and linear regression. The difference in the age, calcium, ALP, and vitamin D values between the four groups were significant (P < 0.05), whereas high PTH levels (80%) were found. A higher prevalence of homozygous polymorphic allele demonstrates a molecular signature for severe secondary hyperparathyroidism. Hypovitaminosis D ranged from 84.9% to 100%, and a high prevalence of VDR polymorphism was observed. Attention must be paid to the health of this age group of school-going girls as hypovitaminosis D and associated VDR gene polymorphism could be the reason for secondary hyperparathyroidism (SHPT), showing changes in bone mineral density in these adolescent girls to ensure their future health.
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Affiliation(s)
- R Chowdhary
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS) Bhopal, Madhya Pradesh, India.
| | - R B Khan
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS) Bhopal, Madhya Pradesh, India
| | - N Masarkar
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS) Bhopal, Madhya Pradesh, India.
| | - R Malik
- Department of Radiodiagnosis and Imaging, All India Institute of Medical Sciences (AIIMS) Bhopal, Madhya Pradesh, India.
| | - S K Goel
- Department of Biochemistry, All India Institute of Medical Sciences (AIIMS) Bhopal, Madhya Pradesh, India
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Moon RJ, Cooke LDF, D’Angelo S, Curtis EM, Titcombe P, Davies JH, Godfrey KM, Cleal JK, Lewis RM, Cooper C, Harvey NC. Maternal and Fetal Genetic Variation in Vitamin D Metabolism and Umbilical Cord Blood 25-Hydroxyvitamin D. J Clin Endocrinol Metab 2022; 107:e3403-e3410. [PMID: 35474389 PMCID: PMC9282354 DOI: 10.1210/clinem/dgac263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Indexed: 11/19/2022]
Abstract
CONTEXT Single nucleotide polymorphisms (SNPs) in vitamin D metabolism pathway genes are associated with circulating 25-hydroxyvitamin D (25(OH)D) in adults. Less is known about the relationships between mother and offspring SNPs and umbilical cord blood 25(OH)D. OBJECTIVE (1) To undertake a meta-analysis of the relationships of maternal and offspring SNPs in the vitamin D metabolism pathway and cord blood 25(OH)D in pregnant women including novel data; and (2) to examine these relationships in women who received antenatal cholecalciferol supplementation in a clinical trial. METHODS Novel data analysis from an observational mother-offspring cohort study (Southampton Women's Survey) and the MAVIDOS double-blind, randomized, placebo-controlled trial of 1000 IU/day cholecalciferol supplementation in pregnancy, and an electronic literature search of published studies in PubMed up to 31 July 2021. Studies reporting associations between rs12785878 (DHCR7), rs10741657 (CYP2R1), rs6013897 (CYP24A1), or rs2282679 (GC) and cord blood 25(OH)D. One published study was included in addition to the novel data analysis. Associations between both maternal and offspring SNPs at rs2282679 (GC) and rs12785878 (DHCR7), and cord blood 25(OH)D were identified. When maternal genotype was adjusted for offspring genotype, and vice versa, there was persisting evidence for associations with maternal rs12785878 (β [95% CI] 1.6 nmol/L [0.3, 2.8] per common allele), and offspring rs2282679 (β 3.1 nmol/L ]2.0, 4.4] per common allele). Maternal and offspring SNPs at rs1074657 and rs613897 were not associated with cord blood 25(OH)D. RESULT Associations between both maternal and offspring SNPs at rs2282679 (GC) and rs12785878 (DHCR7), and cord blood 25(OH)D were identified. When maternal genotype was adjusted for offspring genotype, and vice versa, there was persisting evidence for associations with maternal rs12785878 (β [95% CI] 1.6 nmol/L [0.3, 2.8] per common allele), and offspring rs2282679 (β 3.1 nmol/L ]2.0, 4.4] per common allele). Maternal and offspring SNPs at rs1074657 and rs613897 were not associated with cord blood 25(OH)D. CONCLUSION Common genetic variation in the vitamin D metabolism pathway is associated with umbilical cord blood 25(OH)D.
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Affiliation(s)
- Rebecca J Moon
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
- Paediatric Endocrinology, Southampton Children’s Hospital, Southampton University Hospitals NHS Foundation Trust, Southampton,UK
| | - Laura D F Cooke
- The Institute of Developmental Sciences, Human Development and Health, Faculty of Medicine, University of Southampton, Southampton,UK
| | - Stefania D’Angelo
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
| | - Elizabeth M Curtis
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
| | - Philip Titcombe
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
| | - Justin H Davies
- Paediatric Endocrinology, Southampton Children’s Hospital, Southampton University Hospitals NHS Foundation Trust, Southampton,UK
| | - Keith M Godfrey
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
- NIHR Southampton Nutrition Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton,UK
| | - Jane K Cleal
- The Institute of Developmental Sciences, Human Development and Health, Faculty of Medicine, University of Southampton, Southampton,UK
| | - Rohan M Lewis
- The Institute of Developmental Sciences, Human Development and Health, Faculty of Medicine, University of Southampton, Southampton,UK
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
- NIHR Southampton Nutrition Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton,UK
- National Institute for Health Research (NIHR) Musculoskeletal Biomedical Research Unit, University of Oxford, UK
| | - Nicholas C Harvey
- MRC Lifecourse Epidemiology Centre, University of Southampton, Southampton,UK
- NIHR Southampton Nutrition Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton,UK
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Shraim R, MacDonnchadha C, Vrbanic L, McManus R, Zgaga L. Gene-Environment Interactions in Vitamin D Status and Sun Exposure: A Systematic Review with Recommendations for Future Research. Nutrients 2022; 14:nu14132735. [PMID: 35807923 PMCID: PMC9268458 DOI: 10.3390/nu14132735] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 02/06/2023] Open
Abstract
Vitamin D is essential for good health. Dermal vitamin D production is dependent on environmental factors such as season and latitude, and personal factors such as time spent outdoors and genetics. Varying heritability of vitamin D status by season has been reported, suggesting that gene-environment interactions (GxE) may play a key role. Thus, understanding GxE might significantly improve our understanding of determinants of vitamin D status. The objective of this review was to survey the existing methods in GxE on vitamin D studies and report on GxE effect estimates. We searched the Embase, Medline (Ovid), and Web of Science (Core Collection) databases. We included only primary research that reported on GxE effects on vitamin D status using 25-hydroxyvitamin D as a biomarker. Sun exposure was the only environmental exposure identified in these studies. The quality assessment followed the Newcastle–Ottawa Scale for cohort studies. Seven studies were included in the final narrative synthesis. We evaluate the limitations and findings of the available GxE in vitamin D research and provide recommendations for future GxE research. The systematic review was registered on PROSPERO (CRD42021238081).
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Affiliation(s)
- Rasha Shraim
- Department of Public Health and Primary Care, Institute of Population Health, Trinity College Dublin, D24 DH74 Dublin, Ireland; (R.S.); (C.M.); (L.V.)
- Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland;
- The SFI Centre for Research Training in Genomics Data Sciences, National University of Ireland Galway, H91 CF50 Galway, Ireland
| | - Conor MacDonnchadha
- Department of Public Health and Primary Care, Institute of Population Health, Trinity College Dublin, D24 DH74 Dublin, Ireland; (R.S.); (C.M.); (L.V.)
- Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland;
| | - Lauren Vrbanic
- Department of Public Health and Primary Care, Institute of Population Health, Trinity College Dublin, D24 DH74 Dublin, Ireland; (R.S.); (C.M.); (L.V.)
- Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland;
| | - Ross McManus
- Department of Clinical Medicine, Trinity Translational Medicine Institute, Trinity College Dublin, D08 W9RT Dublin, Ireland;
| | - Lina Zgaga
- Department of Public Health and Primary Care, Institute of Population Health, Trinity College Dublin, D24 DH74 Dublin, Ireland; (R.S.); (C.M.); (L.V.)
- Correspondence:
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Apaydin T, Polat H, Dincer Yazan C, Ilgin C, Elbasan O, Dashdamirova S, Bayram F, Tukenmez Tigen E, Unlu O, Tekin AF, Arslan E, Yilmaz I, Haklar G, Ata P, Gozu H. Effects of vitamin D receptor gene polymorphisms on the prognosis of COVID-19. Clin Endocrinol (Oxf) 2022; 96:819-830. [PMID: 34919268 DOI: 10.1111/cen.14664] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/11/2021] [Accepted: 12/14/2021] [Indexed: 01/15/2023]
Abstract
PURPOSE Vitamin D deficiency has emerged as another potential risk factor for coronavirus disease (COVID-19) due to the immunomodulatory effects of 25 hydroxyvitamin D [25 (OH)D]. Vitamin D receptor (VDR) gene polymorphisms such as Fok I, Bsm I, Apa I, and Taq I are also associated with different courses of viral infections. This study aimed to evaluate the association between the VDR gene polymorphism at Fok I, Taq I, Bsm I, and Apa I genotypes and the prognosis of COVID-19 in respect to vitamin D deficiency. METHODS Two-hundred ninety-seven patients with COVID-19 were enrolled. Serum 25 (OH)D levels were measured. Four variant regions of the VDR gene, FokI, BsmI, ApaI, and TaqI were determined. RESULTS Eighty-three percent of subjects had vitamin D deficiency, and 40.7% of the whole group had severe deficiency. Median 25 (OH)D level was 11.97 ng/ml. Vitamin D levels were not related to inflammatory markers, disease severity, admission to intensive care unit (ICU), and mortality. While disease severity was related to Fok I Ff genotype, it was Taq TT genotype for ICU admission. Moreover, the ApaI aa genotype was common among the patients who were died. None of the deceased subjects had the Fok I FF genotype. CONCLUSION 25 (OH)D levels were not related to the severity and mortality of COVID-19. VDR gene polymorphisms are independently associated with the severity of COVID-19 and the survival of patients.
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Affiliation(s)
- Tugce Apaydin
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
| | - Hamza Polat
- Department of Medical Genetics, Marmara University School of Medicine, Istanbul, Turkey
| | - Ceyda Dincer Yazan
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
| | - Can Ilgin
- Department of Public Health, Marmara University School of Medicine, Istanbul, Turkey
| | - Onur Elbasan
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
| | - Saida Dashdamirova
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
| | - Feyza Bayram
- Department of Medical Genetics, Marmara University School of Medicine, Istanbul, Turkey
| | - Elif Tukenmez Tigen
- Department of Infectious Diseases and Microbiology, Marmara University School of Medicine, Istanbul, Turkey
| | - Ozan Unlu
- Department of Biochemistry, Marmara University School of Medicine, Istanbul, Turkey
| | - Ahmet F Tekin
- Department of Biochemistry, Marmara University School of Medicine, Istanbul, Turkey
| | - Ebru Arslan
- Department of Medical Genetics, Marmara University School of Medicine, Istanbul, Turkey
| | - Ipek Yilmaz
- Department of Medical Genetics, Marmara University School of Medicine, Istanbul, Turkey
| | - Goncagul Haklar
- Department of Biochemistry, Marmara University School of Medicine, Istanbul, Turkey
| | - Pınar Ata
- Department of Medical Genetics, Marmara University School of Medicine, Istanbul, Turkey
| | - Hulya Gozu
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
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Vetter VM, Sommerer Y, Kalies CH, Spira D, Bertram L, Demuth I. Vitamin D supplementation is associated with slower epigenetic aging. GeroScience 2022; 44:1847-1859. [PMID: 35562603 PMCID: PMC9213628 DOI: 10.1007/s11357-022-00581-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/26/2022] [Indexed: 11/21/2022] Open
Abstract
Adverse effects of low vitamin D level on mortality and morbidity are controversially discussed. Especially older people are at risk for vitamin D deficiency and therefore exposed to its potentially harmful consequences. A way of measuring differences in the biological age is through DNA methylation age (DNAm age) and its deviation from chronological age, DNAm age acceleration (DNAmAA). We previously reported on an association between vitamin D deficiency and higher 7-CpG DNAmAA in participants of the Berlin Aging Study II (BASE-II). In this study, we employ a quasi-interventional study design to assess the relationship between DNAmAA of five epigenetic clocks and vitamin D supplementation. Longitudinal data were available for 1,036 participants of BASE-II that were reexamined on average 7.4 years later in the GendAge study (mean age at follow-up: 75.6 years, SD = 3.8 years, age range: 64.9–94.1 years, 51.9% female). DNAmAA was estimated with the 7-CpG clock, Horvath’s clock, Hannum’s clock, PhenoAge, and GrimAge. Methylation data were obtained through methylation-sensitive single nucleotide primer extension (MS-SNuPE) or Illumina’s Infinium “MethylationEPIC” array. Vitamin D–deficient participants who chose to start vitamin D supplementation after baseline examination showed a 2.6-year lower 7-CpG DNAmAA (p = 0.011) and 1.3-year lower Horvath DNAmAA (p = 0.042) compared to untreated and vitamin D–deficient participants. DNAmAA did not statistically differ between participants with successfully treated vitamin D deficiency and healthy controls (p > 0.16). Therefore, we conclude that intake of vitamin D supplement is associated with lower DNAmAA in participants with vitamin D deficiency.
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Affiliation(s)
- Valentin Max Vetter
- Biology of Aging Working Group, Department of Endocrinology and Metabolic Diseases (Including Division of Lipid Metabolism), Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
- Department of Psychology, Humboldt University Berlin, Berlin, Germany
| | - Yasmine Sommerer
- Lübeck Interdisciplinary Platform for Genome Analytics (LIGA), University of Lübeck, Lübeck, Germany
| | - Christian Humberto Kalies
- Biology of Aging Working Group, Department of Endocrinology and Metabolic Diseases (Including Division of Lipid Metabolism), Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Dominik Spira
- Biology of Aging Working Group, Department of Endocrinology and Metabolic Diseases (Including Division of Lipid Metabolism), Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Lars Bertram
- Lübeck Interdisciplinary Platform for Genome Analytics (LIGA), University of Lübeck, Lübeck, Germany
- Center for Lifespan Changes in Brain and Cognition (LCBC), Department of Psychology, University of Oslo, Oslo, Norway
| | - Ilja Demuth
- Biology of Aging Working Group, Department of Endocrinology and Metabolic Diseases (Including Division of Lipid Metabolism), Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
- BCRT - Berlin Institute of Health Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Berlin, Germany.
- Biology of Aging Group, Lipid Clinic at the Interdisciplinary Metabolism Center, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Germany.
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Affiliation(s)
- Stephen Burgess
- Medical Research Council Biostatistics Unit, University of Cambridge, Cambridge CB2 0SR, UK
- Department of Public Health and Primary Care, University of Cambridge, Cambridge CB1 8RN, UK
- Corresponding author. Tel: +44 (0)1223 768259,
| | - Dipender Gill
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London W2 1PG, UK
- Clinical Pharmacology and Therapeutics Section, Institute of Medical and Biomedical Education and Institute for Infection and Immunity, St George’s, University of London, London SW17 0RE, UK
- Clinical Pharmacology Group, Pharmacy and Medicines Directorate, St George’s University Hospitals NHS Foundation Trust, London SW17 0QT, UK
- Genetics Department, Novo Nordisk Research Centre Oxford, Old Road Campus, Oxford OX3 7FZ, UK
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Speeckaert MM, Delanghe JR. Vitamin D Binding Protein Polymorphism: a Potential Determinant of the Prevalence and Outcome of COVID-19. Clin Lab 2022; 68. [PMID: 35443586 DOI: 10.7754/clin.lab.2021.210809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Dixit V, Tripathi RL, Dhanwal DK. Lack of secondary hyperparathyroidism in sub-group of vitamin D deficient postmenopausal women: Is VDR gene polymorphism behind this mystery? Diabetes Metab Syndr 2022; 16:102381. [PMID: 34995987 DOI: 10.1016/j.dsx.2021.102381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND AND AIMS We aimed to determine the cause of non-secondary hyperparathyroidism (Non-SHPT) in Indian postmenopausal women. MATERIALS & METHODS 334 apparently healthy postmenopausal women were assessed for bone mineral homeostaisis including Vitamin D, PTH and VDR polymorphism. RESULTS 83% of the subjects had vitamin D deficiency further associated with VDR gene polymorphism (P 0.000). A sizable number of subjects (N = 83) did evoke SHPT despite low vitamin D levels. We observe that VDR gene polymorphism was strongly associated in the sub-group of non-SHPT. CONCLUSION lack of SHPT warrants researchers to study the pathophysiology of non-SHPT in detail to substantiate our findings.
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Affiliation(s)
- Vivek Dixit
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India.
| | - R L Tripathi
- Department of Biochemistry, UCMS & GTB Hospitals, Delhi, India
| | - Dinesh Kumar Dhanwal
- Sr. Consultant Endocrinologist, NMC Super-speciality Hospitals, Abu Dhabi, United Arab Emirates
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Kim YA, Yoon JW, Lee Y, Choi HJ, Yun JW, Bae E, Kwon SH, Ahn SE, Do AR, Jin H, Won S, Park DJ, Shin CS, Seo JH. Unveiling Genetic Variants Underlying Vitamin D Deficiency in Multiple Korean Cohorts by a Genome-Wide Association Study. Endocrinol Metab (Seoul) 2021; 36:1189-1200. [PMID: 34852423 PMCID: PMC8743587 DOI: 10.3803/enm.2021.1241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/19/2021] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Epidemiological data have shown that vitamin D deficiency is highly prevalent in Korea. Genetic factors influencing vitamin D deficiency in humans have been studied in Europe but are less known in East Asian countries, including Korea. We aimed to investigate the genetic factors related to vitamin D levels in Korean people using a genome-wide association study (GWAS). METHODS We included 12,642 subjects from three different genetic cohorts consisting of Korean participants. The GWAS was performed on 7,590 individuals using linear or logistic regression meta- and mega-analyses. After identifying significant single nucleotide polymorphisms (SNPs), we calculated heritability and performed replication and rare variant analyses. In addition, expression quantitative trait locus (eQTL) analysis for significant SNPs was performed. RESULTS rs12803256, in the actin epsilon 1, pseudogene (ACTE1P) gene, was identified as a novel polymorphism associated with vitamin D deficiency. SNPs, such as rs11723621 and rs7041, in the group-specific component gene (GC) and rs11023332 in the phosphodiesterase 3B (PDE3B) gene were significantly associated with vitamin D deficiency in both meta- and mega-analyses. The SNP heritability of the vitamin D concentration was estimated to be 7.23%. eQTL analysis for rs12803256 for the genes related to vitamin D metabolism, including glutamine-dependent NAD(+) synthetase (NADSYN1) and 7-dehydrocholesterol reductase (DHCR7), showed significantly different expression according to alleles. CONCLUSION The genetic factors underlying vitamin D deficiency in Korea included polymorphisms in the GC, PDE3B, NADSYN1, and ACTE1P genes. The biological mechanism of a non-coding SNP (rs12803256) for DHCR7/NADSYN1 on vitamin D concentrations is unclear, warranting further investigations.
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Affiliation(s)
- Ye An Kim
- Division of Endocrinology, Department of Internal Medicine, Veterans Health Service Medical Center, Seoul,
Korea
| | - Ji Won Yoon
- Healthcare System Gangnam Center, Seoul National University Hospital, Seoul,
Korea
| | - Young Lee
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul,
Korea
| | - Hyuk Jin Choi
- Healthcare System Gangnam Center, Seoul National University Hospital, Seoul,
Korea
| | - Jae Won Yun
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul,
Korea
| | - Eunsin Bae
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul,
Korea
| | - Seung-Hyun Kwon
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul,
Korea
| | - So Eun Ahn
- Department of Public Health Science, Seoul National University, Seoul,
Korea
| | - Ah-Ra Do
- Department of Public Health Science, Seoul National University, Seoul,
Korea
| | - Heejin Jin
- Institute of Health and Environment, Seoul National University, Seoul,
Korea
| | - Sungho Won
- Department of Public Health Science, Seoul National University, Seoul,
Korea
- Institute of Health and Environment, Seoul National University, Seoul,
Korea
- RexSoft, Inc.,
Korea
| | - Do Joon Park
- Department of Internal Medicine, Seoul National University, Seoul,
Korea
| | - Chan Soo Shin
- Department of Internal Medicine, Seoul National University, Seoul,
Korea
| | - Je Hyun Seo
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul,
Korea
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Najjar L, Sutherland J, Zhou A, Hyppönen E. Vitamin D and Type 1 Diabetes Risk: A Systematic Review and Meta-Analysis of Genetic Evidence. Nutrients 2021; 13:nu13124260. [PMID: 34959812 PMCID: PMC8707565 DOI: 10.3390/nu13124260] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/25/2021] [Accepted: 11/25/2021] [Indexed: 12/16/2022] Open
Abstract
Several observational studies have examined vitamin D pathway polymorphisms and their association with type 1 diabetes (T1D) susceptibility, with inconclusive results. We aimed to perform a systematic review and meta-analysis assessing associations between selected variants affecting 25-hydroxyvitamin D [25(OH)D] and T1D risk. We conducted a systematic search of Medline, Embase, Web of Science and OpenGWAS updated in April 2021. The following keywords “vitamin D” and/or “single nucleotide polymorphisms (SNPs)” and “T1D” were selected to identify relevant articles. Seven SNPs (or their proxies) in six genes were analysed: CYP2R1 rs10741657, CYP2R1 (low frequency) rs117913124, DHCR7/NADSYN1 rs12785878, GC rs3755967, CYP24A1 rs17216707, AMDHD1 rs10745742 and SEC23A rs8018720. Seven case-control and three cohort studies were eligible for quantitative synthesis (n = 10). Meta-analysis results suggested no association with T1D (range of pooled ORs for all SNPs: 0.97–1.02; p > 0.01). Heterogeneity was found in DHCR7/NADSYN1 rs12785878 (I2: 64.8%, p = 0.02). Sensitivity analysis showed exclusion of any single study did not alter the overall pooled effect. No association with T1D was observed among a Caucasian subgroup. In conclusion, the evidence from the meta-analysis indicates a null association between selected variants affecting serum 25(OH)D concentrations and T1D.
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Affiliation(s)
- Liana Najjar
- Australian Centre for Precision Health, Unit of Clinical and Health Sciences, University of South Australia, P.O. Box 2471, Adelaide, SA 5001, Australia; (L.N.); (J.S.); (A.Z.)
| | - Joshua Sutherland
- Australian Centre for Precision Health, Unit of Clinical and Health Sciences, University of South Australia, P.O. Box 2471, Adelaide, SA 5001, Australia; (L.N.); (J.S.); (A.Z.)
| | - Ang Zhou
- Australian Centre for Precision Health, Unit of Clinical and Health Sciences, University of South Australia, P.O. Box 2471, Adelaide, SA 5001, Australia; (L.N.); (J.S.); (A.Z.)
- South Australian Health and Medical Research Institute, Adelaide, SA 5000, Australia
| | - Elina Hyppönen
- Australian Centre for Precision Health, Unit of Clinical and Health Sciences, University of South Australia, P.O. Box 2471, Adelaide, SA 5001, Australia; (L.N.); (J.S.); (A.Z.)
- South Australian Health and Medical Research Institute, Adelaide, SA 5000, Australia
- Correspondence: ; Tel.: +61-(08)-83022518
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Speeckaert MM, Delanghe JR. Vitamin D binding protein and its polymorphisms may explain the link between vitamin D deficiency and COVID-19. Sci Prog 2021; 104:368504211053510. [PMID: 34723751 PMCID: PMC10306132 DOI: 10.1177/00368504211053510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Marijn M. Speeckaert
- Department of Nephrology, Ghent University Hospital, Ghent, Belgium
- Research Foundation-Flanders (FWO), Brussels, Belgium
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Yoon BW, Shin HT, Seo J. Risk Allele Frequency Analysis of Single-Nucleotide Polymorphisms for Vitamin D Concentrations in Different Ethnic Group. Genes (Basel) 2021; 12:genes12101530. [PMID: 34680925 PMCID: PMC8536051 DOI: 10.3390/genes12101530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/24/2021] [Accepted: 09/24/2021] [Indexed: 01/08/2023] Open
Abstract
The prevalence of vitamin D deficiency varies from 20.8% to 61.6% among populations of different ethnicities, suggesting the existence of a genetic component. The purpose of this study was to provide insights into the genetic causes of vitamin D concentration differences among individuals of diverse ancestry. We collected 320 single-nucleotide polymorphisms (SNPs) associated with vitamin D concentrations from a genome-wide association studies catalog. Their population-level allele frequencies were derived based on the 1000 Genomes Project and Korean Reference Genome Database. We used Fisher's exact tests to assess the significance of the enrichment or depletion of the effect allele at a given SNP in the database. In addition, we calculated the SNP-based genetic risk score (GRS) and performed correlation analysis with vitamin D concentration that included latitude. European, American, and South Asian populations showed similar heatmap patterns, whereas African, East Asian, and Korean populations had distinct ones. The GRS calculated from allele frequencies of vitamin D concentration was highest among Europeans, followed by East Asians and Africans. In addition, the difference in vitamin D concentration was highly correlated with genetic factors rather than latitude effects.
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Affiliation(s)
- Byung-Woo Yoon
- Division of Oncology, Department of Internal Medicine, Inje University Seoul Paik Hospital, Seoul 04551, Korea;
| | - Hyun-Tae Shin
- Department of Dermatology, Inha University School of Medicine, Incheon 22212, Korea;
| | - Jehyun Seo
- Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul 05368, Korea
- Correspondence: ; Tel.: +82-2-2225-1445; Fax: +82-2-2225-3950
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Kim MR, Oji V, Valentin F, Traupe H, Nofer JR, Hausser I, Hennies HC, Eckl K, Wudy SA, Sánchez-Guijo A, Kerschke L, Fischer J, Süßmuth K. Vitamin D Status in Distinct Types of Ichthyosis: Importance of Genetic Type and Severity of Scaling. Acta Derm Venereol 2021; 101:adv00546. [PMID: 34396419 PMCID: PMC9425607 DOI: 10.2340/00015555-3887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Data on vitamin D status of patients with inherited ichthyosis in Europe is scarce and unspecific concerning the genetic subtype. This study determined serum levels of 25-hydroxyvitamin D3 (25(OH)D3) in 87 patients with ichthyosis; 69 patients were additionally analysed for parathyroid hormone. Vitamin D deficiency was pronounced in keratinopathic ichthyosis (n = 17; median 25(OH)D3: 10.5 ng/ml), harlequin ichthyosis (n = 2;7.0 ng/ml) and rare syndromic sub-types (n = 3; 7.0 ng/ml). Vitamin D levels were reduced in TG1-proficient lamellar ichthyosis (n = 15; 8.9 ng/ml), TG1-deficient lamellar ichthyosis (n = 12; 11.7 ng/ml), congenital ichthyosiform erythroderma (n = 13; 12.4 ng/ml), Netherton syndrome (n = 7; 10.7 ng/ml) and X-linked ichthyosis (n = 8; 13.9 ng/ml). In ichthyosis vulgaris 25(OH)D3 levels were higher (n = 10; 19.7 ng/ml). Parathyroid hormone was elevated in 12 patients. Low 25(OH)D3 levels were associated with high severity of scaling (p = 0.03) implicating scaling as a risk factor for vitamin D deficiency. Thus, this study supports our recent guidelines for ichthyoses, which recommend screening for and substituting of vitamin D deficiency.
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Affiliation(s)
- Mi-Ran Kim
- Department of Dermatology, University of Münster, Münster, Germany
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Krasniqi E, Boshnjaku A, Wagner KH, Wessner B. Association between Polymorphisms in Vitamin D Pathway-Related Genes, Vitamin D Status, Muscle Mass and Function: A Systematic Review. Nutrients 2021; 13:3109. [PMID: 34578986 PMCID: PMC8465200 DOI: 10.3390/nu13093109] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/27/2021] [Accepted: 09/02/2021] [Indexed: 12/13/2022] Open
Abstract
An association between vitamin D level and muscle-related traits has been frequently reported. Vitamin D level is dependent on various factors such as sunlight exposure and nutrition. But also on genetic factors. We, therefore, hypothesize that single nucleotide polymorphisms (SNPs) within the vitamin D pathway-related genes could contribute to muscle mass and function via an impact on vitamin D level. However, the integration of studies investigating these issues is still missing. Therefore, this review aimed to systematically identify and summarize the available evidence on the association between SNPs within vitamin D pathway-related genes and vitamin D status as well as various muscle traits in healthy adults. The review has been registered on PROSPERO and was conducted following PRISMA guidelines. In total, 77 studies investigating 497 SNPs in 13 different genes were included, with significant associations being reported for 59 different SNPs. Variations in GC, CYP2R1, VDR, and CYP24A1 genes were reported most frequently, whereby especially SNPs in the GC (rs2282679, rs4588, rs1155563, rs7041) and CYP2R1 genes (rs10741657, rs10766197, rs2060793) were confirmed to be associated with vitamin D level in more than 50% of the respective studies. Various muscle traits have been investigated only in relation to four different vitamin D receptor (VDR) polymorphisms (rs7975232, rs2228570, rs1544410, and rs731236). Interestingly, all of them showed only very low confirmation rates (6-17% of the studies). In conclusion, this systematic review presents one of the most comprehensive updates of the association of SNPs in vitamin D pathway-related genes with vitamin D status and muscle traits in healthy adults. It might be used for selecting candidate SNPs for further studies, but also for personalized strategies in identifying individuals at risk for vitamin D deficiency and eventually for determining a potential response to vitamin D supplementation.
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Affiliation(s)
- Ermira Krasniqi
- Research Platform Active Ageing, University of Vienna, Althanstraße 14, 1090 Vienna, Austria; (E.K.); (K.-H.W.)
- Centre for Sport Science and University Sports, University of Vienna, Auf der Schmelz 6, 1150 Vienna, Austria;
- Department of Nutritional Sciences, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
| | - Arben Boshnjaku
- Centre for Sport Science and University Sports, University of Vienna, Auf der Schmelz 6, 1150 Vienna, Austria;
- Faculty of Medicine, University “Fehmi Agani” in Gjakova, Ismail Qemali n.n., 50000 Gjakovë, Kosovo
| | - Karl-Heinz Wagner
- Research Platform Active Ageing, University of Vienna, Althanstraße 14, 1090 Vienna, Austria; (E.K.); (K.-H.W.)
- Department of Nutritional Sciences, University of Vienna, Althanstraße 14, 1090 Vienna, Austria
| | - Barbara Wessner
- Research Platform Active Ageing, University of Vienna, Althanstraße 14, 1090 Vienna, Austria; (E.K.); (K.-H.W.)
- Centre for Sport Science and University Sports, University of Vienna, Auf der Schmelz 6, 1150 Vienna, Austria;
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Karras SN, Dursun E, Alaylıoğlu M, Gezen-Ak D, Annweiler C, Al Anouti F, Fakhoury HMA, Bais A, Kiortsis D. Investigating the Role of Functional Polymorphism of Maternal and Neonatal Vitamin D Binding Protein in the Context of 25-Hydroxyvitamin D Cutoffs as Determinants of Maternal-Neonatal Vitamin D Status Profiles in a Sunny Mediterranean Region. Nutrients 2021; 13:nu13093082. [PMID: 34578960 PMCID: PMC8467735 DOI: 10.3390/nu13093082] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 12/16/2022] Open
Abstract
Recent results indicate that dysregulation of vitamin D-binding protein (VDBP) could be involved in the development of hypovitaminosis D, and it comprises a risk factor for adverse fetal, maternal and neonatal outcomes. Until recently, there was a paucity of results regarding the effect of maternal and neonatal VDBP polymorphisms on vitamin D status during pregnancy in the Mediterranean region, with a high prevalence of hypovitaminosis D. We aimed to evaluate the combined effect of maternal and neonatal VDBP polymorphisms and different maternal and neonatal 25-hydroxyvitamin D (25(OH)D) cut-offs on maternal and neonatal vitamin D profile. Blood samples were obtained from a cohort of 66 mother–child pairs at birth. Our results revealed that: (i) Maternal VDBP polymorphisms do not affect neonatal vitamin D status at birth, in any given internationally adopted maternal or neonatal cut-off for 25(OH)D concentrations; (ii) neonatal VDBP polymorphisms are not implicated in the regulation of neonatal vitamin D status at birth; (iii) comparing the distributions of maternal VDBP polymorphisms and maternal 25(OH)D concentrations, with cut-offs at birth, revealed that mothers with a CC genotype for rs2298850 and a CC genotype for rs4588 tended to demonstrate higher 25(OH)D (≥75 nmol/L) during delivery (p = 0.05 and p = 0.04, respectively), after adjustments for biofactors that affect vitamin D equilibrium, including UVB, BMI and weeks of gestation. In conclusion, this study from Southern Europe indicates that maternal and neonatal VDBP polymorphisms do not affect neonatal vitamin D status at birth, whereas mothers with CC genotype for rs2298850 and CC genotype for rs4588 demonstrate higher 25(OH)D concentrations. Future larger studies are required to establish a causative effect of these specific polymorphisms in the attainment of an adequate (≥75 nmol/L) maternal vitamin D status during pregnancy.
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Affiliation(s)
- Spyridon N. Karras
- National Scholarship Foundation, 55535 Thessaloniki, Greece
- Correspondence:
| | - Erdinç Dursun
- Brain and Neurodegenerative Disorders Research Laboratories, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, 34381 Istanbul, Turkey; (E.D.); (M.A.); (D.G.-A.)
- Department of Neuroscience, Institute of Neurological Sciences, Istanbul University-Cerrahpasa, 34381 Istanbul, Turkey
| | - Merve Alaylıoğlu
- Brain and Neurodegenerative Disorders Research Laboratories, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, 34381 Istanbul, Turkey; (E.D.); (M.A.); (D.G.-A.)
| | - Duygu Gezen-Ak
- Brain and Neurodegenerative Disorders Research Laboratories, Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, 34381 Istanbul, Turkey; (E.D.); (M.A.); (D.G.-A.)
| | - Cedric Annweiler
- Department of Geriatric Medicine and Memory Clinic, Research Center on Autonomy and Longevity, University Hospital, 49035 Angers, France;
- Department of Medical Biophysics, Robarts Research Institute, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, ON N6A 3K7, Canada
| | - Fatme Al Anouti
- Department of Health Sciences, College of Natural and Health Sciences, Zayed University, Abu Dhabi 144534, United Arab Emirates;
| | - Hana M. A. Fakhoury
- Department of Biochemistry and Molecular Biology, College of Medicine, AlFaisal University, Riyadh 11533, Saudi Arabia;
| | - Alkiviadis Bais
- Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Dimitrios Kiortsis
- Department of Nuclear Medicine, University of Ioannina, 45110 Ioannina, Greece;
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