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Siddappa M, Hussain S, Wani SA, White J, Tang H, Gray JS, Jafari H, Wu HC, Long MD, Elhussin I, Karanam B, Wang H, Morgan R, Hardiman G, Adelani IB, Rotimi SO, Murphy AR, Nonn L, Davis MB, Kittles RA, Hughes Halbert C, Sucheston-Campbell LE, Yates C, Campbell MJ. African American Prostate Cancer Displays Quantitatively Distinct Vitamin D Receptor Cistrome-transcriptome Relationships Regulated by BAZ1A. CANCER RESEARCH COMMUNICATIONS 2023; 3:621-639. [PMID: 37082578 PMCID: PMC10112383 DOI: 10.1158/2767-9764.crc-22-0389] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/12/2023] [Accepted: 03/07/2023] [Indexed: 04/22/2023]
Abstract
African American (AA) prostate cancer associates with vitamin D3 deficiency, but vitamin D receptor (VDR) genomic actions have not been investigated in this context. We undertook VDR proteogenomic analyses in European American (EA) and AA prostate cell lines and four clinical cohorts. Rapid immunoprecipitation mass spectrometry of endogenous protein (RIME) analyses revealed that nonmalignant AA RC43N prostate cells displayed the greatest dynamic protein content in the VDR complex. Likewise, in AA cells, Assay for Transposase-Accessible Chromatin using sequencing established greater 1α,25(OH)2D3-regulated chromatin accessibility, chromatin immunoprecipitation sequencing revealed significant enhancer-enriched VDR cistrome, and RNA sequencing identified the largest 1α,25(OH)2D3-dependent transcriptome. These VDR functions were significantly corrupted in the isogenic AA RC43T prostate cancer cells, and significantly distinct from EA cell models. We identified reduced expression of the chromatin remodeler, BAZ1A, in three AA prostate cancer cohorts as well as RC43T compared with RC43N. Restored BAZ1A expression significantly increased 1α,25(OH)2D3-regulated VDR-dependent gene expression in RC43T, but not HPr1AR or LNCaP cells. The clinical impact of VDR cistrome-transcriptome relationships were tested in three different clinical prostate cancer cohorts. Strikingly, only in AA patients with prostate cancer, the genes bound by VDR and/or associated with 1α,25(OH)2D3-dependent open chromatin (i) predicted progression from high-grade prostatic intraepithelial neoplasia to prostate cancer; (ii) responded to vitamin D3 supplementation in prostate cancer tumors; (iii) differentially responded to 25(OH)D3 serum levels. Finally, partial correlation analyses established that BAZ1A and components of the VDR complex identified by RIME significantly strengthened the correlation between VDR and target genes in AA prostate cancer only. Therefore, VDR transcriptional control is most potent in AA prostate cells and distorted through a BAZ1A-dependent control of VDR function. Significance Our study identified that genomic ancestry drives the VDR complex composition, genomic distribution, and transcriptional function, and is disrupted by BAZ1A and illustrates a novel driver for AA prostate cancer.
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Affiliation(s)
- Manjunath Siddappa
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Shahid Hussain
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Sajad A. Wani
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Jason White
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Hancong Tang
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Jaimie S. Gray
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Hedieh Jafari
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Hsu-Chang Wu
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
| | - Mark D. Long
- Department of Biostatistics and Bioinformatics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Isra Elhussin
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Balasubramanyam Karanam
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Honghe Wang
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
| | - Rebecca Morgan
- School of Biological Sciences, Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
| | - Gary Hardiman
- School of Biological Sciences, Institute for Global Food Security, Queen's University Belfast, Belfast, United Kingdom
- Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
| | | | - Solomon O. Rotimi
- Department of Biochemistry, Covenant University, Ota, Ogun State, Nigeria
| | - Adam R. Murphy
- Department of Urology, Northwestern Medicine, Chicago, Illinois
| | - Larisa Nonn
- Department of Pathology, University of Illinois at Chicago, Chicago, Illinois
| | - Melissa B. Davis
- Department of Surgery, Weill Cornell Medicine, New York City, New York
| | - Rick A. Kittles
- Division of Health Equities, Department of Population Sciences, City of Hope, Duarte, California
| | - Chanita Hughes Halbert
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, California
- Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, California
| | - Lara E. Sucheston-Campbell
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, Ohio
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, Ohio
| | - Clayton Yates
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, Alabama
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
- Department of Oncology Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Moray J. Campbell
- Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, Ohio
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Wang C, Li H, Huo L, Wang Q, Zhang T, He X, Hao J, Luo Y, Ren L. Serum 25-Hydroxyvitamin D Levels in Type 2 Diabetes Patients in North China: Seasonality and the Association between Vitamin D Status and Glycosylated Hemoglobin Levels. Int J Clin Pract 2023; 2023:4151224. [PMID: 37188155 PMCID: PMC10181903 DOI: 10.1155/2023/4151224] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/17/2023] [Accepted: 04/17/2023] [Indexed: 05/17/2023] Open
Abstract
Background and Aims Previous studies have reported a correlation between vitamin D levels and seasonality in healthy populations. However, there are few studies on the seasonal variation in vitamin D levels and its relationship with glycosylated hemoglobin (HbA1c) in patients with type 2 diabetes mellitus (T2DM). The objective of this study was to investigate seasonal changes in serum 25-hydroxyvitamin D [25(OH)D] levels and the associations between these vitamin D concentrations and HbA1c levels in T2DM patients in Hebei, China. Methods A cross-sectional study of 1,074 individuals with T2DM was conducted from May 2018 to September 2021. Levels of 25(OH)D in these patients were assessed based on both sex and season, and relevant clinical or laboratory variables that could impact vitamin D status were also considered. Results In the T2DM patient cohort, the mean blood 25(OH)D levels were 17.05 ng/mL. A total of 698 patients (65.0%) had insufficient serum 25(OH)D levels. The vitamin D deficiency rates were significantly higher in the winter and spring compared to the autumn (P < 0.05), indicating that seasonal fluctuations can have a significant impact on 25(OH)D levels. The levels of vitamin D inadequacy were highest in the winter (74%), and females were more likely than males to be deficient (73.4% vs. 59.5%, P < 0.001). In comparison to the winter and spring, both males and females showed higher 25(OH)D levels in the summer (P < 0.001). HbA1c levels were 8.9% higher in those with vitamin D deficiencies than in nondeficient patients (P < 0.001). HbA1c and vitamin D levels were negatively correlated (r = -0.119, P < 0.001). Conclusion Vitamin D deficiencies are particularly prevalent among T2DM patients in Hebei, China, with exceptionally high rates in the winter and spring. Female T2DM patients were at an elevated risk of vitamin D deficiency, and vitamin D levels were negatively correlated with HbA1c.
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Affiliation(s)
- Chang Wang
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Huan Li
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
- Graduate School of Hebei Medical University, Shijiazhuang 050017, China
| | - Lijing Huo
- Department of Clinical Laboratory, Hebei General Hospital, Shijiazhuang 050051, China
| | - Qing Wang
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
- Graduate School of Hebei Medical University, Shijiazhuang 050017, China
| | - Tian Zhang
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Xiaoyu He
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Jianan Hao
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Yu Luo
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
| | - Luping Ren
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang 050051, China
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Hussain S, Yates C, Campbell MJ. Vitamin D and Systems Biology. Nutrients 2022; 14:nu14245197. [PMID: 36558356 PMCID: PMC9782494 DOI: 10.3390/nu14245197] [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: 09/26/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
The biological actions of the vitamin D receptor (VDR) have been investigated intensively for over 100 years and has led to the identification of significant insights into the repertoire of its biological actions. These were initially established to be centered on the regulation of calcium transport in the colon and deposition in bone. Beyond these well-known calcemic roles, other roles have emerged in the regulation of cell differentiation processes and have an impact on metabolism. The purpose of the current review is to consider where applying systems biology (SB) approaches may begin to generate a more precise understanding of where the VDR is, and is not, biologically impactful. Two SB approaches have been developed and begun to reveal insight into VDR biological functions. In a top-down SB approach genome-wide scale data are statistically analyzed, and from which a role for the VDR emerges in terms of being a hub in a biological network. Such approaches have confirmed significant roles, for example, in myeloid differentiation and the control of inflammation and innate immunity. In a bottom-up SB approach, current biological understanding is built into a kinetic model which is then applied to existing biological data to explain the function and identify unknown behavior. To date, this has not been applied to the VDR, but has to the related ERα and identified previously unknown mechanisms of control. One arena where applying top-down and bottom-up SB approaches may be informative is in the setting of prostate cancer health disparities.
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Affiliation(s)
- Shahid Hussain
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA
| | - Clayton Yates
- Department of Biology and Center for Cancer Research, Tuskegee University, Tuskegee, AL 36088, USA
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
- Department of Oncology Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Moray J. Campbell
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH 43210, USA
- Correspondence:
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Lara Alvarez SE, Bell K, Ward N, Cooke C, Inder WJ. Seasonality of hip fracture and vitamin D deficiency persists in a sub-tropical climate. Intern Med J 2020; 49:1029-1032. [PMID: 31387150 DOI: 10.1111/imj.14391] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 10/29/2018] [Accepted: 11/19/2018] [Indexed: 11/27/2022]
Abstract
Both hip fractures and vitamin D (25-hydroxyvitamin D (25-OHD)) deficiency are more common in winter in regions with temperate climates, but few data exist for a sub-tropical climate. In a South East Queensland tertiary hospital over a 7-year period, there were significantly more hip fractures in winter than the other three seasons (analysis of variance P = 0.003), with associated higher frequency of 25-OHD deficiency - 42.5% in winter compared to 28.5% in summer, odds ratio 1.86 (95% confidence interval 1.35-2.56), P = 0.0001. Seasonality of hip fracture and 25-OHD deficiency occurs even in a sub-tropical climate.
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Affiliation(s)
- Sonia E Lara Alvarez
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Kate Bell
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Nicola Ward
- Department of Orthopaedic Surgery, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Cameron Cooke
- Department of Orthopaedic Surgery, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Warrick J Inder
- Department of Diabetes and Endocrinology, Princess Alexandra Hospital, Brisbane, Queensland, Australia.,Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia
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5
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Status and influential factors of vitamin D among children aged 0 to 6 years in a Chinese population. BMC Public Health 2020; 20:429. [PMID: 32238156 PMCID: PMC7114801 DOI: 10.1186/s12889-020-08557-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Accepted: 03/19/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Vitamin D insufficiency and deficiency in childhood are common. However, the status and influential factors of vitamin D during different ages are not clear. This study aimed to survey vitamin D concentrations in children aged 0 to 6 years and explore its influential factors. METHODS A total of 6953 children were recruited in Wuxi City of East China from January to December in 2016. Enzyme-linked immunosorbent assay was used to determine the serum concentrations of 25-hydroxyvitamin D [25(OH)D]. RESULTS The median vitamin D concentrations in the infant group (0-1 years of age) was 69.40 nmol/L, which were higher than that in both the toddlerhood group (1-3 years of age; 62.30 nmol/L) and the preschool group (3-6 years of age; 50.85 nmol/L). In addition, the median vitamin D concentrations were 71.70 nmol/L in summer, which was higher than that in spring (64.25 nmol/L), autumn (62.95 nmol/L) and winter (64.10 nmol/L). However, no difference was observed between genders (P = 0.974). Furthermore, the prevalence of vitamin D deficiency (< 50 nmol/L) was 48.1% in the preschool group (3-6 years of age), which was higher than the 21.2% vitamin D deficiency in the toddlerhood group (1-3 years of age) and the 17.9% vitamin D deficiency in the infant group (0-1 years of age). Interestingly, a nonlinear association between 25(OH) D and air temperature was observed. CONCLUSIONS A high prevalence of vitamin D deficiency was common in a Chinese population of children 0-6 years old, especially in the preschool-aged children. Therefore, we suggested that we should pay more attention to vitamin D supplementation in Chinese young children.
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Balogun H, Jaakkola JJK, Amegah AK. Association of Sunlight Exposure and Consumption of Vitamin D-Rich Foods During Pregnancy with Adverse Birth Outcomes in an African Population. J Trop Pediatr 2019; 65:526-536. [PMID: 30690592 DOI: 10.1093/tropej/fmz001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Our objective was to assess whether dietary vitamin D (vitD) intake and sunlight exposure during pregnancy is associated with birth outcomes in a healthy Ghanaian population. METHODS A population-based cross-sectional study that included 703 mother-infant pairs accessing postnatal services at the five main health facilities in Cape Coast, Ghana was conducted in 2016. Information on sunlight exposure practices and consumption of vitD-rich foods during pregnancy was collected. RESULTS A 1 µg increase in vitD intake resulted in a statistically significant 0.00505 weeks increase in gestational age (95% confidence interval [CI]: 0.00005, 0.01004). Mothers classified in the first quartile of vitD intake had 37% (prevalence ratio = 1.37, 95% CI: 1.10, 1.69) increased risk of preterm birth (PTB) compared to their counterparts classified in the fourth quartile. Decreased vitD intake was also associated with low-to-moderate Apgar score. CONCLUSION Nutrition education of mothers on the importance of screening for vitD deficiency during early months of pregnancy is recommended.
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Affiliation(s)
- Hamudat Balogun
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
| | - Jouni J K Jaakkola
- Center for Environmental and Respiratory Health Research (CERH), University of Oulu, Oulu, Finland
| | - A Kofi Amegah
- Public Health Research Group, Department of Biomedical Sciences, University of Cape Coast, Cape Coast, Ghana.,Department of Clinical Nutrition and Dietetics, University of Cape Coast, Cape Coast, Ghana
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Mason RS, Rybchyn MS, Abboud M, Brennan-Speranza TC, Fraser DR. The Role of Skeletal Muscle in Maintaining Vitamin D Status in Winter. Curr Dev Nutr 2019; 3:nzz087. [PMID: 31598576 PMCID: PMC6776467 DOI: 10.1093/cdn/nzz087] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/15/2019] [Accepted: 07/22/2019] [Indexed: 11/30/2022] Open
Abstract
The status of vitamin D is determined mainly by its formation in skin by the photochemical action of solar UVB light (wavelength 290-320 nm) on the precursor 7-dehydrocholesterol. Because of seasonal variation in intensity of solar UV light, vitamin D status falls in winter and rises in summer. It has been presumed that there is no functional store of vitamin D. Thus, to avoid deficiency, a nutritional supply would be required in winter. However, there is now evidence that the main circulating metabolite of vitamin D, 25-hydroxyvitamin D, accumulates in skeletal muscle cells, which provide a functional store during the winter months. The mechanism is mediated by muscle cell uptake of circulating vitamin D-binding protein (DBP) through a megalin-cubilin membrane transport process. DBP then binds to cytoplasmic actin to provide an array of high-affinity binding sites for 25-hydroxyvitamin D [25(OH)D]. The repeated passage of 25(OH)D into and out of muscle cells would account for its long residence time in blood.
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Affiliation(s)
- Rebecca S Mason
- Department of Physiology, School of Medical Sciences and Bosch Institute
| | - Mark S Rybchyn
- Department of Physiology, School of Medical Sciences and Bosch Institute
| | - Myriam Abboud
- Department of Physiology, School of Medical Sciences and Bosch Institute
- Zayed University, Dubai, United Arab Emirates
| | | | - David R Fraser
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, NSW 2006, Australia
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Kimlin MG, Fang L, Feng Y, Wang L, Hao L, Fan J, Wang N, Meng F, Yang R, Cong S, Liang X, Wang B, Linet M, Potischman N, Kitahara C, Chao A, Wang Y, Sun J, Brodie A. Personal ultraviolet Radiation exposure in a cohort of Chinese mother and child pairs: the Chinese families and children study. BMC Public Health 2019; 19:281. [PMID: 30849990 PMCID: PMC6408854 DOI: 10.1186/s12889-019-6610-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 02/28/2019] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Few studies in China have examined personal ultraviolet radiation (UVR) exposure using polysulfone dosimetry. METHODS In this study, 93 mother and adolescent child pairs (N = 186) from two locations in China, one rural (higher latitude) and one urban (lower latitude), completed 3 days of personal UVR dosimetry and a sun/clothing diary, as part of a larger pilot study. RESULTS The average daily ambient UVR in each location as measured by dosimetry was 20.24 Minimal Erythemal Doses (MED) in the rural location and 20.53 MED in the urban location. Rural mothers had more average daily time outdoors than urban mothers (5.5 h, compared with 1.5 h, in urban mothers) and a much higher daily average personal UVR exposure (4.50 MED, compared with 0.78 MED in urban mothers). Amongst adolescents, rural males had the highest average daily personal UVR exposure, followed by rural females, urban females and urban males (average 2.16, 1.05, 0.81, and 0.48 MED, respectively). CONCLUSIONS Although based on small numbers, our findings show the importance of geographic location, age, work/school responsibilities, and sex of the adolescents in determining personal UVR exposure in China. These results suggest that latitude of residence may not be a good proxy for personal UVR exposure in all circumstances.
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Affiliation(s)
- Michael G. Kimlin
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
- Cancer Council Queensland, Brisbane, Australia
| | - Liwen Fang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Yajing Feng
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Linhong Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Ling Hao
- US Centers for Disease Control and Prevention, Atlanta, GA USA
| | - Jing Fan
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Ning Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Fanwen Meng
- Laoting County Maternal and Child Health Hospital, Laoting, Hebei China
| | - Ruilan Yang
- Taicang County Maternal and Child Health Hospital, Taicang, Jiangsu China
| | - Shu Cong
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Xiaofeng Liang
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Baohua Wang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 27 Nanwei Road, Xicheng District, Beijing, 100050 Beijing China
| | - Martha Linet
- National Cancer Institute (NIH) - Division of Cancer Epidemiology and Genetics, Bethesda, MD USA
| | - Nancy Potischman
- National Cancer Institute, Office of Dietary Supplements, Bethesda, MD USA
| | - Cari Kitahara
- National Cancer Institute (NIH) - Division of Cancer Epidemiology and Genetics, Bethesda, MD USA
| | - Ann Chao
- National Cancer Institute, Center for Global Health, Bethesda, MD USA
| | - Yu Wang
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiandong Sun
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
| | - Alison Brodie
- University of the Sunshine Coast, Maroochydore, Faculty of Science, Health, Education and Engineering, Locked Bag 4, Maroochydore DC, Queensland 4558 Australia
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Câmara AB, de Souza ID, Dalmolin RJS. Sunlight Incidence, Vitamin D Deficiency, and Alzheimer's Disease. J Med Food 2018; 21:841-848. [DOI: 10.1089/jmf.2017.0130] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Alice Barros Câmara
- Bioinformatics Multidisciplinary Environment, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Iara Dantas de Souza
- Bioinformatics Multidisciplinary Environment, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Rodrigo Juliani Siqueira Dalmolin
- Bioinformatics Multidisciplinary Environment, IMD, Federal University of Rio Grande do Norte, Natal, Brazil
- Department of Biochemistry, CB, Federal University of Rio Grande do Norte, Natal, Brazil
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Abstract
The vitamin D receptor (VDR) binds the secosteroid hormone 1,25(OH)2D3 with high affinity and regulates gene programs that control a serum calcium levels, as well as cell proliferation and differentiation. A significant focus has been to exploit the VDR in cancer settings. Although preclinical studies have been strongly encouraging, to date clinical trials have delivered equivocal findings that have paused the clinical translation of these compounds. However, it is entirely possible that mining of genomic data will help to refine precisely what are the key anticancer actions of vitamin D compounds and where these can be used most effectively.
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Affiliation(s)
- Moray J Campbell
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, 536 Parks Hall, Columbus, OH 43210, USA.
| | - Donald L Trump
- Department of Medicine, Inova Schar Cancer Institute, Virginia Commonwealth University, 3221 Gallows Road, Fairfax, VA 22031, USA
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Ferrari D, Lombardi G, Banfi G. Concerning the vitamin D reference range: pre-analytical and analytical variability of vitamin D measurement. Biochem Med (Zagreb) 2017; 27:030501. [PMID: 28900363 PMCID: PMC5575654 DOI: 10.11613/bm.2017.030501] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 07/22/2017] [Indexed: 12/17/2022] Open
Abstract
Unlike other vitamins, the vitamin D concentration in blood varies cyclically over the course of the year in relation to genetic (gender, ethnicity, polymorphisms) and environmental factors (sunlight exposure, diet, food-related or direct vitamin D supplementation, skin pigmentation). Although the major diagnostics manufacturers have recently developed improved automated 25-hydroxy vitamin D immunoassays, the intra- and inter-laboratory variability is still high (especially at low vitamin D concentrations) which might lead to incorrect vitamin D deficiency/insufficiency diagnosis. Moreover, despite recent efforts to standardize the assay and minimize its variability, the current bias for measured vitamin D concentrations is often still above the desirable ± 10% criterion. Because the implications of low vitamin D concentrations in non-skeletal diseases are still partially unknown, international guideline recommendations for establishing meaningful ranges, at any time over the course of the year, irrespective not only of environmental and personal factors but also of instrumental variability, are needed. In this review, we discuss the main factors that influence the variability of vitamin D concentrations and whether a centile curve, individually calculated by a theoretical equation considering such factors, might be better suited than a fixed limit to assess abnormal vitamin D concentrations in otherwise healthy subjects. Vitamin D reference ranges during pregnancy, childhood, or diagnosed illnesses, which merit separate discussion, are beyond the scope of this review.
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Affiliation(s)
- Davide Ferrari
- Department of Biosciences, University of Parma, Parma, Italy
| | - Giovanni Lombardi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
| | - Giuseppe Banfi
- Laboratory of Experimental Biochemistry and Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
- Vita-Salute San Raffaele University, Milano, Italy
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King L, Xiang F, Swaminathan A, Dear K, Harrison SL, van der Mei I, Kimlin MG, D'Este C, Lucas RM. Validation of Sun Exposure Reported Annually Against Interim Self-report and Daily Sun Diaries. Photochem Photobiol 2017; 93:1294-1302. [DOI: 10.1111/php.12780] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 03/20/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Laura King
- National Centre for Epidemiology and Population Health; Research School of Population Health; The Australian National University; Canberra ACT Australia
| | - Fan Xiang
- National Centre for Epidemiology and Population Health; Research School of Population Health; The Australian National University; Canberra ACT Australia
| | | | | | - Simone L. Harrison
- College of Public Health, Medical & Veterinary Sciences; James Cook University; Townsville Qld Australia
| | - Ingrid van der Mei
- Menzies Research Institute Tasmania; University of Tasmania; Hobart Tasmania
| | - Michael G. Kimlin
- Queensland University of Technology; Brisbane Qld Australia
- University of the Sunshine Coast; Sippy Downs Qld Australia
| | - Catherine D'Este
- National Centre for Epidemiology and Population Health; Research School of Population Health; The Australian National University; Canberra ACT Australia
| | - Robyn M. Lucas
- National Centre for Epidemiology and Population Health; Research School of Population Health; The Australian National University; Canberra ACT Australia
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Majeed F. Low levels of Vitamin D an emerging risk for cardiovascular diseases: A review. Int J Health Sci (Qassim) 2017; 11:71-76. [PMID: 29114197 PMCID: PMC5669515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Sunlight is regarded among greatest gifts that are presented in abundance to the human beings from the God. Sunlight is also a rich source of Vitamin D (Vit D) that prevents us from numerous ailments such as autoimmune disorders, various types of cancer, and the above all cardiovascular diseases (CVD). Evident from recent research that Vit D deficiency may be the cause for hypertension, cardiac autonomic imbalance, vascular endothelial dysfunction, metabolic syndrome, and even diabetes. Concurrently, many studies present research outcomes that are contradictory to earlier results and also raised a concern not for general public but also among their treating physicians. The sole focus of this review is to systematically present the available research data and critically evaluate the link between Vit D deficiency and development of risk factors for CVD.
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Affiliation(s)
- Farrukh Majeed
- Department of Physiology, College of Medicine, University of Dammam, Dammam, KSA,Address for correspondence: Farrukh Majeed, Department of Physiology, College of Medicine, University of Dammam, Dammam, KSA. Tel.: +96633335132/+966543328989. E-mail:
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