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Zhou W, Wang P, Bai Y, Zhang Y, Shu J, Liu Y. Vitamin D metabolic pathway genes polymorphisms and vitamin D levels in association with neonatal hyperbilirubinemia in China: a single-center retrospective cohort study. BMC Pediatr 2023; 23:275. [PMID: 37259065 DOI: 10.1186/s12887-023-04086-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/20/2023] [Indexed: 06/02/2023] Open
Abstract
BACKGROUND Neonatal hyperbilirubinemia (NH) is a major cause of hospitalization after birth. Previous studies indicated that vitamin D deficiency might play an important role in NH susceptibility, but the results were controversial. Meanwhile, there has been limited description of the association between vitamin D related genes single nucleotide polymorphisms (SNP) and NH susceptibility. We aimed to investigate the vitamin D metabolic pathway genes polymorphisms and vitamin D levels with NH susceptibility. METHODS We retrospectively analyzed the clinical data, vitamin D levels and its metabolic pathway gene polymorphisms of 187 NH neonates and 149 controls at Tianjin Children's Hospital/Tianjin University Children's Hospital between April 2019 and August 2022. Vitamin D levels were measured by liquid chromatography-tandem mass spectrometry (LC-MS/MS) method, and the genetic polymorphism of NADSYN1/DHCR7, GC, CYP2R1, CYP24A1 and CYP27B1 was detected by high resolution melting (HRM) analysis. RESULTS The frequency of vitamin D deficiency (25(OH)D < 15 ng/mL) was significantly increased in the NH group compared to controls. TT genotype of rs12785878 and GT genotype of rs10877012 were protective factors of vitamin D deficiency and NH, and GT genotype and dominant model carriers of rs12785878 had a higher risk of severe NH than the GG genotype carriers (GT genotype: OR: 2.43; 95% CI: 1.22-4.86; P = 0.012, dominant model: OR: 1.97; 95% CI: 1.04-3.73; P = 0.037). GC gene haplotype was associated with vitamin D deficiency. No significant SNP-SNP and SNP-vitamin D levels interaction combinations were found. CONCLUSIONS There were associations among NH, vitamin D deficiency and NADSYN1/DHCR7 and CYP27B1 polymorphisms, TT genotype of rs12785878 and GT genotype of rs10877012 could reduce the risk of vitamin D deficiency and NH. Furthermore, rs12785878 was significantly associated with severe NH.
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Affiliation(s)
- Weiwei Zhou
- Department of Neonatology, Tianjin Children's Hospital/Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China
- Graduate College, Tianjin Medical University, Tianjin, China
| | - Ping Wang
- Tianjin Pediatric Research Institute, Tianjin Children's Hospital, Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China
- Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, Tianjin, China
| | - Yanrui Bai
- Department of Neonatology, Tianjin Children's Hospital/Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China
| | - Ying Zhang
- Department of Neonatology, Tianjin Children's Hospital/Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China
| | - Jianbo Shu
- Tianjin Pediatric Research Institute, Tianjin Children's Hospital, Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China.
- Tianjin Key Laboratory of Birth Defects for Prevention and Treatment, Tianjin, China.
| | - Yang Liu
- Department of Neonatology, Tianjin Children's Hospital/Tianjin University Children's Hospital, No. 238 Longyan Road, Beichen District, Tianjin, 300134, China.
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Voulgaridou G, Papadopoulou SK, Detopoulou P, Tsoumana D, Giaginis C, Kondyli FS, Lymperaki E, Pritsa A. Vitamin D and Calcium in Osteoporosis, and the Role of Bone Turnover Markers: A Narrative Review of Recent Data from RCTs. Diseases 2023; 11:diseases11010029. [PMID: 36810543 PMCID: PMC9944083 DOI: 10.3390/diseases11010029] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/01/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023] Open
Abstract
Osteoporosis is a common disease, defined primarily by a low measured bone density, which is associated with an increased risk of fragility fractures. Low calcium intake and vitamin D deficiency seem to be positively correlated with the prevalence of osteoporosis. Although they are not suitable for the diagnosis of osteoporosis, the biochemical markers of bone turnover can be measured in serum and/or urine, enabling the assessment of the dynamic bone activity and the short-term effectiveness of the osteoporosis treatment. Calcium and vitamin D are essential for maintaining bone health. The aim of this narrative review is to summarize the effects of vitamin D and calcium supplementation separately and in combination, on bone density and circulating serum and blood plasma vitamin D, calcium, parathyroid hormone levels, markers of bone metabolism concentrations, and clinical outcomes, such as falls and osteoporotic fractures. We searched the PubMed online database to find clinical trials from the last five years (2016-April 2022). A total of 26 randomized clinical trials (RCTs) were included in this review. The present reviewed evidence suggests that vitamin D alone or in combination with calcium increases circulating 25(OH)D. Calcium with concomitant vitamin D supplementation, but not vitamin D alone, leads to an increase in BMD. In addition, most studies did not detect significant changes in circulating levels of plasma bone metabolism markers, nor in the incidence of falls. Instead, there was a decrease in blood serum PTH levels in the groups receiving vitamin D and/or Ca supplementation. The plasma vitamin D levels at the beginning of the intervention, and the dosing regimen followed, may play a role in the observed parameters. However, further study is needed to determine an appropriate dosing regimen for the treatment of osteoporosis and the role of bone metabolism markers.
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Affiliation(s)
- Gavriela Voulgaridou
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Sousana K. Papadopoulou
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Paraskevi Detopoulou
- Department of Clinical Nutrition, General Hospital Korgialenio Benakio, 11526 Athens, Greece
- Department of Nutritional Science and Dietetics, University of the Peloponnese, 24100 Kalamata, Greece
| | - Despoina Tsoumana
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Constantinos Giaginis
- Department of Food Science and Nutrition, School of Environment, University of the Aegean, 81400 Myrina, Greece
| | - Foivi S. Kondyli
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Evgenia Lymperaki
- Department of Biomedical Sciences, International Hellenic University, 57400 Thessaloniki, Greece
| | - Agathi Pritsa
- Department of Nutritional Sciences and Dietetics, School of Health Sciences, International Hellenic University, 57400 Thessaloniki, Greece
- Correspondence:
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Justin Margret J, Jain SK. Overview of gene expression techniques with an emphasis on vitamin D related studies. Curr Med Res Opin 2023; 39:205-217. [PMID: 36537177 DOI: 10.1080/03007995.2022.2159148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Each cell controls when and how its genes must be expressed for proper function. Every function in a cell is driven by signaling molecules through various regulatory cascades. Different cells in a multicellular organism may express very different sets of genes, even though they contain the same DNA. The set of genes expressed in a cell determines the set of proteins and functional RNAs it contains, giving it its unique properties. Malfunction in gene expression harms the cell and can lead to the development of various disease conditions. The use of rapid high-throughput gene expression profiling unravels the complexity of human disease at various levels. Peripheral blood mononuclear cells (PBMC) have been used frequently to understand gene expression homeostasis in various disease conditions. However, more studies are required to validate whether PBMC gene expression patterns accurately reflect the expression of other cells or tissues. Vitamin D, which is responsible for a multitude of health consequences, is also an immune modulatory hormone with major biological activities in the innate and adaptive immune systems. Vitamin D exerts its diverse biological effects in target tissues by regulating gene expression and its deficiency, is recognized as a public health problem worldwide. Understanding the genetic factors that affect vitamin D has the potential benefit that it will make it easier to identify individuals who require supplementation. Different technological advances in gene expression can be used to identify and assess the severity of disease and aid in the development of novel therapeutic interventions. This review focuses on different gene expression approaches and various clinical studies of vitamin D to investigate the role of gene expression in identifying the molecular signature of the disease.
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Affiliation(s)
- Jeffrey Justin Margret
- Department of Pediatrics, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, USA
| | - Sushil K Jain
- Department of Pediatrics, Louisiana State University Health Sciences Center-Shreveport, Shreveport, LA, USA
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Detopoulou P, Papadopoulou SK, Voulgaridou G, Dedes V, Tsoumana D, Gioxari A, Gerostergios G, Detopoulou M, Panoutsopoulos GI. Ketogenic Diet and Vitamin D Metabolism: A Review of Evidence. Metabolites 2022; 12:metabo12121288. [PMID: 36557329 PMCID: PMC9788458 DOI: 10.3390/metabo12121288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/02/2022] [Accepted: 12/15/2022] [Indexed: 12/23/2022] Open
Abstract
The ketogenic diet (KD), which is low in carbohydrates and high to normal in fat and protein, has been traditionally used in epilepsy for the last 100 years. More recently, its application in obesity has been introduced. The present review aimed to investigate the effects of the KD on vitamin D. In total, five studies were done in healthy adults, one in subjects with type 2 diabetes, and seven in subjects with epilepsy that assessed the levels of vitamin D pre- and post-intervention. In the majority of studies, increases in circulating vitamin D were reported. The relationship of the KD with vitamin D was explained through several mechanisms: ketone bodies, macronutrient intake, the status levels of other fat-soluble vitamins, weight loss, changes in the hormonal milieu, and effects on gut microbiota. Moreover, potential nutrient-gene-related interactions were discussed. There is still a need to conduct multiple arm studies to compare the effects of the KD versus other diets and better decipher the particular effects of the KD on vitamin D levels and metabolism. Moreover, differentiations of the diet's effects according to sex and genetic makeup should be investigated to prescribe KDs on a more personalized basis.
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Affiliation(s)
- Paraskevi Detopoulou
- Department of Clinical Nutrition, General Hospital Korgialenio Benakio, 11526 Athens, Greece
- Correspondence:
| | - Sousana K. Papadopoulou
- Department of Nutritional Science and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece
| | - Gavriela Voulgaridou
- Department of Nutritional Science and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece
| | - Vasileios Dedes
- Department of Nutritional Science and Dietetics, Faculty of Health Sciences, University of Peloponnese, 24100 Kalamata, Greece
| | - Despoina Tsoumana
- Department of Nutritional Science and Dietetics, International Hellenic University, 57400 Thessaloniki, Greece
| | - Aristea Gioxari
- Department of Nutritional Science and Dietetics, Faculty of Health Sciences, University of Peloponnese, 24100 Kalamata, Greece
| | - George Gerostergios
- Department of Clinical Nutrition, General Hospital Korgialenio Benakio, 11526 Athens, Greece
| | - Maria Detopoulou
- Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, 17676 Athens, Greece
| | - George I. Panoutsopoulos
- Department of Nutritional Science and Dietetics, Faculty of Health Sciences, University of Peloponnese, 24100 Kalamata, Greece
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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] [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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Mendes MM, Botelho PB, Ribeiro H. Vitamin D and musculoskeletal health: outstanding aspects to be considered in the light of current evidence. Endocr Connect 2022; 11:e210596. [PMID: 36048470 PMCID: PMC9578072 DOI: 10.1530/ec-21-0596] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/01/2022] [Indexed: 12/01/2022]
Abstract
Vitamin D enhances calcium absorption and bone mineralisation, promotes maintenance of muscle function, and is crucial for musculoskeletal health. Low vitamin D status triggers secondary hyperparathyroidism, increases bone loss, and leads to muscle weakness. The primary physiologic function of vitamin D and its metabolites is maintaining calcium homeostasis for metabolic functioning, signal transduction, and neuromuscular activity. A considerable amount of human evidence supports the well-recognised contribution of adequate serum 25-hydroxyvitamin D concentrations for bone homeostasis maintenance and prevention and treatment strategies for osteoporosis when combined with adequate calcium intake. This paper aimed to review the literature published, mainly in the last 20 years, on the effect of vitamin D and its supplementation for musculoskeletal health in order to identify the aspects that remain unclear or controversial and therefore require further investigation and debate. There is a clear need for consistent data to establish realistic and meaningful recommendations of vitamin D status that consider different population groups and locations. Moreover, there is still a lack of consensus on thresholds for vitamin D deficiency and optimal status as well as toxicity, optimal intake of vitamin D, vitamin D supplement alone as a strategy to prevent fractures and falls, recommended sun exposure at different latitudes and for different skin pigmentations, and the extra skeletal effects of vitamin D.
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Affiliation(s)
- Marcela Moraes Mendes
- Department of Nutrition, Faculty of Health Sciences, University of Brasília, Distrito Federal, Brazil
- Department of Nutrition, Institute of Life Sciences, Federal University of Juiz de Fora, Governador Valadares, Minas Gerais, Brazil
- Department of Nutrition, Faculty of Health and Medical Sciences, University of Surrey, University of Surrey, Guildford, UK
| | - Patricia Borges Botelho
- Department of Nutrition, Faculty of Health Sciences, University of Brasília, Distrito Federal, Brazil
| | - Helena Ribeiro
- Department of Environmental Health, Faculty of Public Health, University of São Paulo, São Paulo, Brazil
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7
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Vanderlinden LA, Bemis EA, Seifert J, Guthridge JM, Young KA, Demoruelle MK, Feser M, DeJager W, Macwana S, Mikuls TR, O'Dell JR, Weisman MH, Buckner J, Keating RM, Gaffney PM, Kelly JA, Langefeld CD, Deane KD, James JA, Holers VM, Norris JM. Relationship Between a Vitamin D Genetic Risk Score and Autoantibodies Among First-Degree Relatives of Probands With Rheumatoid Arthritis and Systemic Lupus Erythematosus. Front Immunol 2022; 13:881332. [PMID: 35720397 PMCID: PMC9205604 DOI: 10.3389/fimmu.2022.881332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/09/2022] [Indexed: 12/28/2022] Open
Abstract
Objective Higher 25-hydroxyvitamin D (25(OH)D) levels have been associated with reduced risk for autoimmune diseases and are influenced by vitamin D metabolism genes. We estimated genetically-determined vitamin D levels by calculating a genetic risk score (GRS) and investigated whether the vitamin D GRS was associated with the presence of autoantibodies related to rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) in those at increased risk for developing RA and SLE, respectively. Methods In this cross-sectional study, we selected autoantibody positive (aAb+) and autoantibody negative (aAb-) individuals from the Studies of the Etiologies of Rheumatoid Arthritis (SERA), a cohort study of first-degree relatives (FDRs) of individuals with RA (189 RA aAb+, 181 RA aAb-), and the Lupus Family Registry and Repository (LFRR), a cohort study of FDRs of individuals with SLE (157 SLE aAb+, 185 SLE aAb-). Five SNPs known to be associated with serum 25(OH)D levels were analyzed individually as well as in a GRS: rs4588 (GC), rs12785878 (NADSYN1), rs10741657 (CYP2R1), rs6538691 (AMDHD1), and rs8018720 (SEC23A). Results Both cohorts had similar demographic characteristics, with significantly older and a higher proportion of males in the aAb+ FDRs. The vitamin D GRS was inversely associated with RA aAb+ (OR = 0.85, 95% CI = 0.74-0.99), suggesting a possible protective factor for RA aAb positivity in FDRs of RA probands. The vitamin D GRS was not associated with SLE aAb+ in the LFRR (OR = 1.09, 95% CI = 0.94-1.27). The SEC23A SNP was associated with RA aAb+ in SERA (OR = 0.65, 95% CI = 0.43-0.99); this SNP was not associated with SLE aAb+ in LFRR (OR = 1.41, 95% CI = 0.90 - 2.19). Conclusion Genes associated with vitamin D levels may play a protective role in the development of RA aAbs in FDRs of RA probands, perhaps through affecting lifelong vitamin D status. The GRS and the SEC23A SNP may be of interest for future investigation in pre-clinical RA. In contrast, these results do not support a similar association in SLE FDRs, suggesting other mechanisms involved in the relationship between vitamin D and SLE aAbs not assessed in this study.
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Affiliation(s)
- Lauren A Vanderlinden
- Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Elizabeth A Bemis
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Jennifer Seifert
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Joel M Guthridge
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Kendra A Young
- Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Mary Kristen Demoruelle
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Marie Feser
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Wade DeJager
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Susan Macwana
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Ted R Mikuls
- Division of Rheumatology and Immunology, University of Nebraska Medical Center and VA Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - James R O'Dell
- Division of Rheumatology and Immunology, University of Nebraska Medical Center and VA Nebraska-Western Iowa Health Care System, Omaha, NE, United States
| | - Michael H Weisman
- Division of Rheumatology, Cedars-Sinai Medical Center, Los Angeles, CA, United States
| | - Jane Buckner
- Center for Translational Immunology, Benaroya Research Institute (BRI) at Virginia Mason, Seattle, WA, United States
| | - Richard M Keating
- Division of Rheumatology, Scripps Health, La Jolla, CA, United States
| | - Patrick M Gaffney
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Jennifer A Kelly
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Carl D Langefeld
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston Salem, NC, United States.,Center for Precision Medicine, Wake Forest School of Medicine, Winston Salem, NC, United States
| | - Kevin D Deane
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Judith A James
- Arthritis & Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, United States
| | - Vernon Michael Holers
- School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Jill M Norris
- Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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Herrmann S, Küchler EC, Reis CLB, Paddenberg E, Zbidat N, Mattos NHR, Schröder A, Proff P, Kirschneck C. Association of third molar agenesis and microdontia with genetic polymorphisms in vitamin-D-related genes. Ann Anat 2022; 244:151972. [PMID: 35738313 DOI: 10.1016/j.aanat.2022.151972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 05/24/2022] [Accepted: 05/25/2022] [Indexed: 10/18/2022]
Abstract
The present study aimed to evaluate if functional genetic polymorphisms in vitamin-D-related genes are associated with third molar agenesis and third molar microdontia in German orthodontic patients. Pre-orthodontic and follow-up treatment records were evaluated for phenotype definition. Saliva samples were collected for DNA extraction. Eight potential functional genetic polymorphisms in VDR [rs731236 (TaqI), rs7975232 (ApaI), rs2228570 (FokI), and rs1544410 (BsmI)], CYP27B1 (rs4646536), CYP24A1 (rs927650), GC (rs4588), and SEC23A (rs8018720) were evaluated using real-time PCR. Comparison among the groups were performed (third molar anomaly vs. control; third molar agenesis vs. control; and third molar microdontia vs. control) with an alpha of 5%. A total of 164 patients were analyzed. Forty-nine (29.9%) patients had at least one third molar anomaly. In the haplotype analysis, genetic polymorphisms in VDR and CYP27B1 were associated with third molar anomalies (p<0.05). The G allele in rs8018720 (SEC23A) was more frequent in microdontia cases. In the genotype distribution analysis, rs8018720 in SEC23A was associated with third molar microdontia in the co-dominant (p=0.034; Prevalence Ratio [PR]=5.91, 95% Confidence Interval [CI]= 1.14-30.66) and in the recessive (p=0.038; PR=5.29; 95% CI= 1.09-25.65) models. In conclusion, vitamin D-related genes could be involved in third molar anomalies.
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Affiliation(s)
- Susann Herrmann
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Erika Calvano Küchler
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany; School of Dentistry, Tuiuti University from Paraná, Curitiba, Paraná, Brazil
| | - Caio Luiz Bitencourt Reis
- Department of Pediatric Dentistry, School of Dentistry of Ribeirão Preto, University of São Paulo. Av. do Café S/N, 14040-904 Ribeirão Preto, Brazil
| | - Eva Paddenberg
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Nermien Zbidat
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | | | - Agnes Schröder
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Peter Proff
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany
| | - Christian Kirschneck
- Department of Orthodontics, University of Regensburg. Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany.
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Garza-Hernandez D, Sepulveda-Villegas M, Garcia-Pelaez J, Aguirre-Gamboa R, Lakatos PL, Estrada K, Martinez-Vazquez M, Trevino V. A systematic review and functional bioinformatics analysis of genes associated with Crohn's disease identify more than 120 related genes. BMC Genomics 2022; 23:302. [PMID: 35418025 PMCID: PMC9008988 DOI: 10.1186/s12864-022-08491-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 02/28/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Crohn's disease is one of the two categories of inflammatory bowel diseases that affect the gastrointestinal tract. The heritability estimate has been reported to be 0.75. Several genes linked to Crohn's disease risk have been identified using a plethora of strategies such as linkage-based studies, candidate gene association studies, and lately through genome-wide association studies (GWAS). Nevertheless, to our knowledge, a compendium of all the genes that have been associated with CD is lacking. METHODS We conducted functional analyses of a gene set generated from a systematic review where genes potentially related to CD found in the literature were analyzed and classified depending on the genetic evidence reported and putative biological function. For this, we retrieved and analyzed 2496 abstracts comprising 1067 human genes plus 22 publications regarding 133 genes from GWAS Catalog. Then, each gene was curated and categorized according to the type of evidence associated with Crohn's disease. RESULTS We identified 126 genes associated with Crohn's disease risk by specific experiments. Additionally, 71 genes were recognized associated through GWAS alone, 18 to treatment response, 41 to disease complications, and 81 to related diseases. Bioinformatic analysis of the 126 genes supports their importance in Crohn's disease and highlights genes associated with specific aspects such as symptoms, drugs, and comorbidities. Importantly, most genes were not included in commercial genetic panels suggesting that Crohn's disease is genetically underdiagnosed. CONCLUSIONS We identified a total of 126 genes from PubMed and 71 from GWAS that showed evidence of association to diagnosis, 18 to treatment response, and 41 to disease complications in Crohn's disease. This prioritized gene catalog can be explored at http://victortrevino.bioinformatics.mx/CrohnDisease .
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Affiliation(s)
- Debora Garza-Hernandez
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, 64710, Monterrey, Nuevo León, Mexico
| | - Maricruz Sepulveda-Villegas
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, 64710, Monterrey, Nuevo León, Mexico
| | - Jose Garcia-Pelaez
- Instituto de Investigação e Inovação em Saude-i3S, Universidade do Porto, Porto, Portugal.,Ipatimup, Institute of Molecular Pathology and Immunology at the University of Porto, Porto, Portugal
| | | | - Peter L Lakatos
- McGill University Health Centre, Division of Gastroenterology, IBD Centre, Montreal General Hospital, 1650 Ave. Cedar, D16.173.1, Montreal, QC, H3G 1A4, Canada
| | - Karol Estrada
- Graduate Professional Studies, Brandeis University, Waltham, MA, 02453, USA
| | - Manuel Martinez-Vazquez
- Tecnologico de Monterrey, Instituto de Medicina Interna, Centro Médico Zambrano Hellion, Av. Batallón de San Patricio No. 112, Colonia Real San Agustín, 66278, San Pedro Garza García, Nuevo León, Mexico
| | - Victor Trevino
- Tecnologico de Monterrey, Escuela de Medicina, Cátedra de Bioinformática, Av. Morones Prieto No. 3000, Colonia Los Doctores, 64710, Monterrey, Nuevo León, Mexico. .,Tecnologico de Monterrey, The Institute for Obesity Research, Integrative Biology Unit, Eugenio Garza Sada 2501 Avenue, 64849, Monterrey, Nuevo Leon, Mexico.
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10
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Maigoro AY, An D, Lee S. Exploring the Link Between Vitamin D Deficiency and Cytokine Storms in COVID-19 Patients: An In Silico Analysis. J Med Food 2022; 25:130-137. [PMID: 35148193 DOI: 10.1089/jmf.2021.k.0085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
COVID-19 has become a global infectious pandemic affecting the entire world with complications related to the lungs and compromised immune systems. Recently, cytokine storms, which are hallmarks of the disease, have been identified in most COVID-19 patients. In addition, vitamin D deficiency is increasingly appearing to be another element exposing COVID-19 patients to a preferential increase in their symptoms. In an effort to identify a possible link between cytokine storms and vitamin D deficiency to streamline a possible treatment, an in silico analysis using bioinformatics approach was performed using collections of highly expressed cytokines in both severe acute respiratory syndrome and COVID-19 patients (commonly elevated cytokines) as well as vitamin D deficiency-associated genes (VD). Gene Multiple Association Network Integration Algorithm was used for network interactions, whereas the Enrichr enrichment analysis tool was used for biological functions. The network analysis GLay clustering results indicated the vitamin D receptor as a possible link between these two groups. Furthermore, cell chemotaxis and chemotactic-related features were identified as significantly affected pathways, which serve as possible key players mitigating cytokine storms under low vitamin D availability.
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Affiliation(s)
- Abdulkadir Yusif Maigoro
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon, Republic of Korea
| | - Dayoung An
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon, Republic of Korea
| | - Soojin Lee
- Department of Microbiology and Molecular Biology, College of Bioscience and Biotechnology, Chungnam National University, Daejeon, Republic of Korea
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11
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Zhang TP, Li HM, Huang Q, Wang L, Li XM. Vitamin D Metabolic Pathway Genes Polymorphisms and Their Methylation Levels in Association With Rheumatoid Arthritis. Front Immunol 2021; 12:731565. [PMID: 34925313 PMCID: PMC8677352 DOI: 10.3389/fimmu.2021.731565] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 11/02/2021] [Indexed: 01/12/2023] Open
Abstract
Abnormal vitamin D metabolism is involved in the pathogenesis of rheumatoid arthritis (RA). In this study, we evaluated the association of single nucleotide polymorphisms (SNPs) and methylation levels in vitamin D metabolic pathway genes with RA susceptibility. Ten SNPs in vitamin D metabolic pathway genes (CYP2R1, CYP24A1, VDR, CYP27B1) were genotyped in 477 RA patients and 496 controls by improved multiple ligase detection reaction (iMLDR). The methylation levels of the promoter regions of these genes were detected in 122 RA patients and 123 controls using Illumina Hiseq platform. We found that the CYP2R1 rs1993116 GA genotype, CYP27B1 rs4646536 GA genotype, rs4646536 A allele frequencies were significantly increased in RA patients when compared to controls. The decreased risk of rs1993116, rs4646536 was found under the dominant mode in RA patients. However, no significant association was found between CYP2R1 rs7936142, rs12794714, CYP24A1 rs2762934, rs6068816, rs2296239, rs2296241, VDR rs11574129, rs3847987 polymorphism, and RA susceptibility. The VDR, CYP27B1 methylation levels in RA patients were significantly lower than those in controls, while CYP2R1, CYP24A1 methylation levels were not associated with RA. There were no statistical associations between CYP2R1, CYP24A1, VDR, CYP27B1 methylation levels and their respective genotype in RA patients. In addition, plasma 25OHD level in RA patients was significantly lower than that in healthy controls. In summary, our results showed that CYP2R1, CYP27B1 genetic variations were associated with the genetic background of RA, while altered VDR, CYP27B1 methylation levels were related to the risk of RA.
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Affiliation(s)
- Tian-Ping Zhang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Hong-Miao Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Anhui Provincial Laboratory of Inflammatory and Immune Diseases, Hefei, China
| | - Qian Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Anhui Provincial Laboratory of Inflammatory and Immune Diseases, Hefei, China
| | - Li Wang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Xiao-Mei Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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12
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Andrén Aronsson C, Liu X, Norris JM, Uusitalo U, Butterworth MD, Koletzko S, Virtanen SM, Erlund I, Kurppa K, Hagopian WA, Rewers MJ, She JX, Toppari J, Ziegler AG, Akolkar B, Krischer JP, Agardh D. 25(OH)D Levels in Infancy Is Associated With Celiac Disease Autoimmunity in At-Risk Children: A Case-Control Study. Front Nutr 2021; 8:720041. [PMID: 34604278 PMCID: PMC8479793 DOI: 10.3389/fnut.2021.720041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 07/08/2021] [Indexed: 12/12/2022] Open
Abstract
Objectives: An observed variation in the risk of celiac disease, according to the season of birth, suggests that vitamin D may affect the development of the disease. The aim of this study was to investigate if vitamin D concentration is associated with the risk of celiac disease autoimmunity (CDA) in genetically at-risk children. Study Design: Children prospectively followed in the multinational The Environmental Determinants of Diabetes in the Young study, conducted at six centers in Europe and the US, were selected for a 1-to-3 nested case-control study. In total, 281 case-control sets were identified. CDA was defined as positivity for tissue transglutaminase autoantibodies (tTGA) on two or more consecutive visits. Vitamin D was measured as 25-hydroxyvitamin D [25(OH)D] concentrations in all plasma samples prior to, and including, the first tTGA positive visit. Conditional logistic regression was used to examine the association between 25(OH)D and risk of CDA. Results: No significant association was seen between 25(OH)D concentrations (per 5 nmol/L increase) and risk for CDA development during early infancy (odds ratio [OR] 0.99, 95% confidence interval [CI] 0.95-1.04) or childhood (OR 1.02, 95% CI 0.97-1.07). When categorizing 25(OH)D concentrations, there was an increased risk of CDA with 25(OH)D concentrations <30 nmol/L (OR 2.23, 95% CI 1.29, 3.84) and >75 nmol/L (OR 2.10, 95% CI 1.28-3.44) in early infancy, as compared with 50-75 nmol/L. Conclusion: This study indicates that 25(OH)D concentrations <30 nmol/L and >75 nmol/L during early infancy were associated with an increased risk of developing CDA in genetically at-risk children. The non-linear relationship raises the need for more studies on the possible role of 25(OH)D in the relation to celiac disease onset.
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Affiliation(s)
| | - Xiang Liu
- Department of Pediatrics, Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Jill M. Norris
- Department of Epidemiology, Colorado School of Public Health, University of Colorado Denver, Aurora, CO, United States
| | - Ulla Uusitalo
- Department of Pediatrics, Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Martha D. Butterworth
- Department of Pediatrics, Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Sibylle Koletzko
- Dr. von Hauner Children's Hospital, Ludwig Maximilians University, Munich, Germany
- Department of Pediatrics, Gastroenterology and Nutrition, School of Medicine Collegium, Medicum University of Warmia and Mazury, Olsztyn, Poland
| | - Suvi M. Virtanen
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
- Unit of Health Sciences, Faculty of Social Sciences, Tampere University, Tampere, Finland
- Center for Child Health Research, Tampere University, Tampere, Finland
| | - Iris Erlund
- Department of Government Services, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Kalle Kurppa
- Tampere Center for Child Health Research, Tampere University, Tampere, Finland
- Department of Pediatrics, Tampere University Hospital, Tampere, Finland
- The University Consortium of Seinäjoki, Seinäjoki, Finland
- Department of Pediatrics, Seinäjoki Central Hospital, Seinäjoki, Finland
| | | | - Marian J. Rewers
- Barbara Davis Center for Childhood Diabetes, University of Colorado, Aurora, CO, United States
| | - Jin-Xiong She
- Center for Biotechnology and Genomic Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Jorma Toppari
- Department of Pediatrics, Turku University Hospital, Turku, Finland
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, Centre for Population Health Research, University of Turku, Turku, Finland
| | - Anette-G. Ziegler
- Institute of Diabetes Research, Helmholtz Zentrum München, Klinikum rechts der Isar, Technische Universität München, and Forschergruppe Diabetes e.V., Neuherberg, Germany
| | - Beena Akolkar
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, United States
| | - Jeffrey P. Krischer
- Department of Pediatrics, Health Informatics Institute, Morsani College of Medicine, University of South Florida, Tampa, FL, United States
| | - Daniel Agardh
- Department of Clinical Sciences, Lund University, Malmö, Sweden
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da Silva Lopes K, Abe SK. Polymorphisms Contributing to Calcium Status: A Systematic Review. Nutrients 2021; 13:2488. [PMID: 34444650 PMCID: PMC8398213 DOI: 10.3390/nu13082488] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 07/08/2021] [Accepted: 07/17/2021] [Indexed: 01/28/2023] Open
Abstract
This systematic review assessed genotypes and changes in calcium homeostasis. A literature search was performed in EMBASE, Medline and CENTRAL on 7 August 2020 identifying 1012 references. Studies were included with any human population related to the topic of interest, and genetic variations in genes related to calcium metabolism were considered. Two reviewers independently screened references, extracted relevant data and assessed study quality using the Q-Genie tool. Forty-one studies investigating Single Nucleotide Polymorphisms (SNPs) in relation to calcium status were identified. Almost half of the included studies were of good study quality according to the Q-Genie tool. Seventeen studies were cross-sectional, 14 case-control, seven association and three were Mendelian randomization studies. Included studies were conducted in over 18 countries. Participants were mainly adults, while six studies included children and adolescents. Ethnicity was described in 31 studies and half of these included Caucasian participants. Twenty-six independent studies examined the association between calcium and polymorphism in the calcium-sensing receptor (CASR) gene. Five studies assessed the association between polymorphisms of the Vitamin D receptor (VDR) gene and changes in calcium levels or renal excretion. The remaining ten studies investigated calcium homeostasis and other gene polymorphisms such as the CYP24A1 SNP or CLDN14. This study identified several CASR, VDR and other gene SNPs associated with calcium status. However, to provide evidence to guide dietary recommendations, further research is needed to explore the association between common polymorphisms and calcium requirements.
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Affiliation(s)
| | - Sarah Krull Abe
- Center for Public Health Sciences, National Cancer Center, Division of Prevention, Tokyo 104-0045, Japan
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14
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Abstract
PURPOSE OF REVIEW To review recent evidence on the capacity of vitamin D to prevent atopic disease, focussing on food allergy and asthma, and potential underlying mechanisms. RECENT FINDINGS The incidence of allergic disease continues to increase worldwide. Vitamin D status is influenced by sun exposure and dietary intake. Vitamin D deficiency is linked to an increased incidence of allergic disease and asthma. These associations are generally strongest in early life. The capacity of vitamin D to enhance antimicrobial pathways, promote peripheral immunological tolerance and maintain mucosal barrier integrity may underlie these associations. Interventional studies have addressed the capacity of vitamin D supplementation in utero and early life to reduce the incidence of disease. Ancillary studies have provided insights into potential biological mechanisms linked to these effects. SUMMARY Observational studies show an inverse association between vitamin D levels and development of food allergy and asthma. Secondary analyses of two recent interventional studies suggest that achieving vitamin D sufficiency throughout pregnancy reduces the incidence of asthma/recurrent wheeze at 3 years. Longitudinal studies of vitamin D requirements in utero and postnatally, better understanding of factors that influence bioavailability of vitamin D and mechanistic insights into vitamin D effects on neonatal-specific immune pathways are awaited.
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15
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Karampela I, Sakelliou A, Vallianou N, Christodoulatos GS, Magkos F, Dalamaga M. Vitamin D and Obesity: Current Evidence and Controversies. Curr Obes Rep 2021; 10:162-180. [PMID: 33792853 DOI: 10.1007/s13679-021-00433-1] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/11/2021] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Evidence from observational studies suggests that obesity is associated with low vitamin D. As both obesity and hypovitaminosis D present an alarmingly increased prevalence worldwide, there is an intense research interest to clarify all aspects of this association. This review summarizes current evidence from meta-analyses investigating vitamin D status in obesity, including the effects of weight loss and bariatric surgery on vitamin D status and the outcomes of vitamin D supplementation on body weight. We also discuss potential pathophysiologic mechanisms and important controversies. RECENT FINDINGS Data from meta-analyses consistently support an inverse association of vitamin D levels with body weight. However, the impact of weight loss on improving vitamin D status is small, while studies on the supplementation with vitamin D after bariatric surgery have shown conflicting results regarding vitamin D status. Moreover, interventional studies do not support a beneficial effect of vitamin D supplementation on body weight. These findings warrant a cautious interpretation due to important methodological limitations and confounding factors, such as high heterogeneity of studies, variable methods of determination of vitamin D and definition of deficiency/insufficiency, use of various adiposity measures and definitions of obesity, and inadequate adjustment for confounding variables influencing vitamin D levels. The underlying pathogenetic mechanisms associating low vitamin D in obesity include volumetric dilution, sequestration into adipose tissue, limited sunlight exposure, and decreased vitamin D synthesis in the adipose tissue and liver. Experimental studies have demonstrated that low vitamin D may be implicated in adipose tissue differentiation and growth leading to obesity either by regulation of gene expression or through modulation of parathyroid hormone, calcium, and leptin. Obesity is associated with low vitamin D status but weight loss has little effect on improving this; vitamin D supplementation is also not associated with weight loss. Evidence regarding vitamin D status after bariatric surgery is contradicting. The link between vitamin D and obesity remains controversial due to important limitations and confounding of studies. More research is needed to clarify the complex interplay between vitamin D and adiposity.
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Affiliation(s)
- Irene Karampela
- Second Department of Critical Care, Medical School, Attikon General University Hospital, National and Kapodistrian University of Athens, 1 Rimini St, Haidari, 12462, Athens, Greece.
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527, Athens, Greece.
| | - Alexandra Sakelliou
- Second Department of Critical Care, Medical School, Attikon General University Hospital, National and Kapodistrian University of Athens, 1 Rimini St, Haidari, 12462, Athens, Greece
| | - Natalia Vallianou
- First Department of Internal Medicine, Evangelismos General Hospital, 45-47 Ypsilantou St, 10676, Athens, Greece
| | - Gerasimos-Socrates Christodoulatos
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527, Athens, Greece
| | - Faidon Magkos
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Copenhagen, Denmark
| | - Maria Dalamaga
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527, Athens, Greece
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Zumaraga MP, Concepcion MA, Duante C, Rodriguez M. Next Generation Sequencing of 502 Lifestyle and Nutrition related Genetic Polymorphisms reveals Independent Loci for Low Serum 25-hydroxyvitamin D Levels among Adult Respondents of the 2013 Philippine National Nutrition Survey. J ASEAN Fed Endocr Soc 2021; 36:56-63. [PMID: 34177089 PMCID: PMC8214345 DOI: 10.15605/jafes.036.01.08] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 01/31/2021] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE The study determined the relationship of serum vitamin D levels and 502 lifestyle and nutrition related genetic polymorphisms among adult respondents of the 2013 Philippine National Nutrition Survey (NNS). METHODOLOGY A total of 1,160 adult respondents of the 2013 NNS living in the National Capital Region, Philippines were enrolled. Of the 1,160 sequenced samples, 833 passed the stringent quality control based on multiple parameters and were used for further analysis. Total serum 25-hydroxyvitamin D [25(OH)D] was determined using electro-chemiluminescence binding assay method. Genomic DNA was used for targeted next generation sequencing of 502 lifestyle and nutrition related polymorphisms. Analysis of variance, followed by Tukey post hoc analysis, was employed to compare 25(OH)D serum levels across genotypes. RESULTS Of the study participants, 56% was classified as having low serum 25(OH)D. The lower serum 25(OH)D was observed in the following gene/genotypes: KNG1 rs11924390 T/T; ANKH rs2454873 G/G; NPFFR2 rs4129733 T/G; SH2B1 rs4788102 G/A; RAP1A rs494453 T/T and CRHBP rs7728378 T/C. These genes were previously associated to the risk of osteoporosis, obesity, type 2 diabetes mellitus, and stress response. CONCLUSION Large-scale analysis of genes has shown great utility in the discovery of genetic factors that play a role in vitamin D nutrition. Interestingly, loci found in this Filipino population cohort were mostly independent from the canonical vitamin D synthesis and metabolism pathways. Understanding how genetic variations interact with nutrition and lifestyle may aid in the prevention of diseases through screening and identification of susceptible patients who would not benefit from regular supplementation with vitamin D because of genetic alterations and may also be used as basis for future development of functional food enriched with vitamin D.
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Affiliation(s)
- Mark Pretzel Zumaraga
- Department of Science and Technology - Food and Nutrition Research Institute, Bicutan, Taguig City, Philippines
| | - Mae Anne Concepcion
- Department of Science and Technology - Food and Nutrition Research Institute, Bicutan, Taguig City, Philippines
| | - Charmaine Duante
- Department of Science and Technology - Food and Nutrition Research Institute, Bicutan, Taguig City, Philippines
| | - Marietta Rodriguez
- Department of Science and Technology - Food and Nutrition Research Institute, Bicutan, Taguig City, Philippines
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Gu S, Olszewski R, Nelson L, Gallego-Martinez A, Lopez-Escamez JA, Hoa M. Identification of Potential Meniere's Disease Targets in the Adult Stria Vascularis. Front Neurol 2021; 12:630561. [PMID: 33613436 PMCID: PMC7894210 DOI: 10.3389/fneur.2021.630561] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 01/12/2021] [Indexed: 12/13/2022] Open
Abstract
The stria vascularis generates the endocochlear potential and is involved in processes that underlie ionic homeostasis in the cochlear endolymph, both which play essential roles in hearing. The histological hallmark of Meniere's disease (MD) is endolymphatic hydrops, which refers to the bulging or expansion of the scala media, which is the endolymph-containing compartment of the cochlea. This histologic hallmark suggests that processes that disrupt ion homeostasis or potentially endocochlear potential may underlie MD. While treatments exist for vestibular symptoms related to MD, effective therapies for hearing fluctuation and hearing loss seen in MD remain elusive. Understanding the potential cell types involved in MD may inform the creation of disease mouse models and provide insight into underlying mechanisms and potential therapeutic targets. For these reasons, we compare published datasets related to MD in humans with our previously published adult mouse stria vascularis single-cell and single-nucleus RNA-Seq datasets to implicate potentially involved stria vascularis (SV) cell types in MD. Finally, we provide support for these implicated cell types by demonstrating co-expression of select candidate genes for MD within SV cell types.
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Affiliation(s)
- Shoujun Gu
- Auditory Development and Restoration Program, National Institute on Deafness and Other Communication Disorders, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Rafal Olszewski
- Auditory Development and Restoration Program, National Institute on Deafness and Other Communication Disorders, National Institutes of Health (NIH), Bethesda, MD, United States
| | - Lacey Nelson
- Department of Otolaryngology-Head and Neck Surgery, Georgetown University School of Medicine, Washington, DC, United States
| | - Alvaro Gallego-Martinez
- Otology and Neurotology Group CTS495, Department of Genomic Medicine, Centre for Genomics and Oncological Research, Pfizer/Universidad de Granada/Junta de Andalucía (GENYO), Granada, Spain
| | - Jose Antonio Lopez-Escamez
- Otology and Neurotology Group CTS495, Department of Genomic Medicine, Centre for Genomics and Oncological Research, Pfizer/Universidad de Granada/Junta de Andalucía (GENYO), Granada, Spain
- Department of Otolaryngology, Instituto de Investigación Biosanitaria ibs.GRANADA, Hospital Universitario Virgen de las Nieves, Granada, Spain
- Division of Otolaryngology, Department of Surgery, University of Granada, Granada, Spain
| | - Michael Hoa
- Auditory Development and Restoration Program, National Institute on Deafness and Other Communication Disorders, National Institutes of Health (NIH), Bethesda, MD, United States
- Department of Otolaryngology-Head and Neck Surgery, Georgetown University School of Medicine, Washington, DC, United States
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18
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Ruiz-Ballesteros AI, Meza-Meza MR, Vizmanos-Lamotte B, Parra-Rojas I, de la Cruz-Mosso U. Association of Vitamin D Metabolism Gene Polymorphisms with Autoimmunity: Evidence in Population Genetic Studies. Int J Mol Sci 2020; 21:ijms21249626. [PMID: 33348854 PMCID: PMC7766382 DOI: 10.3390/ijms21249626] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/08/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023] Open
Abstract
A high prevalence of vitamin D (calcidiol) serum deficiency has been described in several autoimmune diseases, including multiple sclerosis (MS), rheumatoid arthritis (AR), and systemic lupus erythematosus (SLE). Vitamin D is a potent immunonutrient that through its main metabolite calcitriol, regulates the immunomodulation of macrophages, dendritic cells, T and B lymphocytes, which express the vitamin D receptor (VDR), and they produce and respond to calcitriol. Genetic association studies have shown that up to 65% of vitamin D serum variance may be explained due to genetic background. The 90% of genetic variability takes place in the form of single nucleotide polymorphisms (SNPs), and SNPs in genes related to vitamin D metabolism have been linked to influence the calcidiol serum levels, such as in the vitamin D binding protein (VDBP; rs2282679 GC), 25-hydroxylase (rs10751657 CYP2R1), 1α-hydroxylase (rs10877012, CYP27B1) and the vitamin D receptor (FokI (rs2228570), BsmI (rs1544410), ApaI (rs7975232), and TaqI (rs731236) VDR). Therefore, the aim of this comprehensive literature review was to discuss the current findings of functional SNPs in GC, CYP2R1, CYP27B1, and VDR associated to genetic risk, and the most common clinical features of MS, RA, and SLE.
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Affiliation(s)
- Adolfo I. Ruiz-Ballesteros
- Grupo de Inmunonutrición y Genómica Nutricional en las Enfermedades Autoinmunes, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44160, Mexico; (A.I.R.-B.); (M.R.M.-M.)
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
- Programa de Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico;
| | - Mónica R. Meza-Meza
- Grupo de Inmunonutrición y Genómica Nutricional en las Enfermedades Autoinmunes, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44160, Mexico; (A.I.R.-B.); (M.R.M.-M.)
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
- Programa de Doctorado en Ciencias Biomédicas Inmunología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
| | - Barbara Vizmanos-Lamotte
- Programa de Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico;
- Instituto de Nutrigenética y Nutrigenómica Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
| | - Isela Parra-Rojas
- Laboratorio de Investigación en Obesidad y Diabetes, Facultad de Ciencias Químico-Biológicas, Universidad Autónoma de Guerrero, Chilpancingo de los Bravo Guerrero 39087, Mexico;
| | - Ulises de la Cruz-Mosso
- Grupo de Inmunonutrición y Genómica Nutricional en las Enfermedades Autoinmunes, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44160, Mexico; (A.I.R.-B.); (M.R.M.-M.)
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
- Programa de Doctorado en Ciencias de la Nutrición Traslacional, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico;
- Programa de Doctorado en Ciencias Biomédicas Inmunología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara Jalisco 44340, Mexico
- Correspondence: ; Tel.: +52-1-331-744-15-75
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19
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Mullins VA, Bresette W, Johnstone L, Hallmark B, Chilton FH. Genomics in Personalized Nutrition: Can You "Eat for Your Genes"? Nutrients 2020; 12:E3118. [PMID: 33065985 PMCID: PMC7599709 DOI: 10.3390/nu12103118] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/05/2020] [Accepted: 10/07/2020] [Indexed: 12/19/2022] Open
Abstract
Genome-wide single nucleotide polymorphism (SNP) data are now quickly and inexpensively acquired, raising the prospect of creating personalized dietary recommendations based on an individual's genetic variability at multiple SNPs. However, relatively little is known about most specific gene-diet interactions, and many molecular and clinical phenotypes of interest (e.g., body mass index [BMI]) involve multiple genes. In this review, we discuss direct to consumer genetic testing (DTC-GT) and the current potential for precision nutrition based on an individual's genetic data. We review important issues such as dietary exposure and genetic architecture addressing the concepts of penetrance, pleiotropy, epistasis, polygenicity, and epigenetics. More specifically, we discuss how they complicate using genotypic data to predict phenotypes as well as response to dietary interventions. Then, several examples (including caffeine sensitivity, alcohol dependence, non-alcoholic fatty liver disease, obesity/appetite, cardiovascular, Alzheimer's disease, folate metabolism, long-chain fatty acid biosynthesis, and vitamin D metabolism) are provided illustrating how genotypic information could be used to inform nutritional recommendations. We conclude by examining ethical considerations and practical applications for using genetic information to inform dietary choices and the future role genetics may play in adopting changes beyond population-wide healthy eating guidelines.
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Affiliation(s)
- Veronica A. Mullins
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85719, USA; (V.A.M.); (W.B.)
| | - William Bresette
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85719, USA; (V.A.M.); (W.B.)
| | - Laurel Johnstone
- The BIO5 Institute, University of Arizona, Tucson, AZ 85719, USA; (L.J.); (B.H.)
| | - Brian Hallmark
- The BIO5 Institute, University of Arizona, Tucson, AZ 85719, USA; (L.J.); (B.H.)
| | - Floyd H. Chilton
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85719, USA; (V.A.M.); (W.B.)
- The BIO5 Institute, University of Arizona, Tucson, AZ 85719, USA; (L.J.); (B.H.)
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20
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Giannetti A, Bernardini L, Cangemi J, Gallucci M, Masetti R, Ricci G. Role of Vitamin D in Prevention of Food Allergy in Infants. Front Pediatr 2020; 8:447. [PMID: 33014916 PMCID: PMC7461773 DOI: 10.3389/fped.2020.00447] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 06/29/2020] [Indexed: 01/04/2023] Open
Abstract
The prevalence of food allergy is increasing over the last decades. The role of vitamin D in the prevention of food allergy has been largely investigated. Its role on the physiology of calcium and bone is known, but calcitriol (active form of the vitamin D) also influences the epithelial cells, T cells, B cells, macrophages, and dendritic cells. Almost all cells of the adaptive immune system express the vitamin D receptor, making them also capable of being vitamin responsive. Specifically considering the potential role of vitamins in food allergy, vitamin D has been shown to affect several mechanisms that promote immunologic tolerance, including the T regulatory cell function and the induction of tolerogenic dendritic cells. The target of our review is to evaluate the role of vitamin D in the prevention of food allergy in children. There are contradictory data on the relationship among the vitamin D deficiency and the developing of food allergy. Some studies associate lower exposure to sunlight to food allergy; on the other hand, further research has found that higher vitamin D levels could increase the likelihood of allergic sensitization and food allergy. Therefore, there is an urgent need for well-planned randomized controlled trials on vitamin D supplementation, with particular regard to the prevention of food allergy. The role of vitamin D beyond bone and calcium metabolism is not fully understood.
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Affiliation(s)
| | | | | | | | | | - Giampaolo Ricci
- Department of Paediatrics, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
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