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Alzohily B, AlMenhali A, Gariballa S, Munawar N, Yasin J, Shah I. Unraveling the complex interplay between obesity and vitamin D metabolism. Sci Rep 2024; 14:7583. [PMID: 38555277 PMCID: PMC10981658 DOI: 10.1038/s41598-024-58154-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024] Open
Abstract
Vitamin D deficiency and obesity are a worldwide health issue. Obesity refers to the accumulation of excessive fats in the body which could lead to the development of diseases. Obese people have low vitamin D levels for several reasons including larger volume of distribution, vitamin D tightly bound in fatty tissues, reduced absorption, and diets with low vitamin D. Accurately measuring vitamin D metabolites is challenging. The Ultra-High-Performance Liquid Chromatography-Tandem Mass Spectrometry (UHPLC-MS/MS) method was developed and validated for the analysis of vitamin D metabolites in the serum. Blood samples were collected from 452 subjects which consisted of baseline (vitamin D deficient obese subjects), follow-up (supplemented obese subjects), and healthy volunteers. The vitamin D metabolites were separated adequately by the developed UHPLC-MS/MS method. Moreover, the validation criteria for the method were within an acceptable range. The baseline, follow-up and even healthy volunteers were deficient in 25OHD3 and 25OHD2. The baseline and healthy subjects had comparable concentration of vitamin D2 and D3. However, healthy subjects had a higher concentration of 25OHD and its epimer compared to the baseline subjects. The vitamin D3 was increased significantly in the follow- up subjects; therefore, the 25OHD3 was increased significantly compared to the baseline as well; however, the increase was insufficient to achieve the optimal range. The UHPLC-MS/MS method test was applied successfully on estimation of vitamin D metabolites in subjects. This study indicates the significance of taking into account the metabolic and storage effects when evaluating the vitamin D status in obese subjects.
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Affiliation(s)
- Bashar Alzohily
- Department of Chemistry, College of Science, UAE University, 15551, Al Ain, UAE
| | - Asma AlMenhali
- Department of Biology, College of Science, UAE University, 15551, Al Ain, UAE
| | - Salah Gariballa
- Internal Medicine, Faculty of Medicine and Health Sciences, UAE University, 15551, Al Ain, UAE
| | - Nayla Munawar
- Department of Chemistry, College of Science, UAE University, 15551, Al Ain, UAE
| | - Javed Yasin
- Internal Medicine, Faculty of Medicine and Health Sciences, UAE University, 15551, Al Ain, UAE
| | - Iltaf Shah
- Department of Chemistry, College of Science, UAE University, 15551, Al Ain, UAE.
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Calcaterra V, Cena H, De Giuseppe R, Biino G, Grazi R, Manuelli M, Zanelli S, Tagi V, Vincenti A, Zuccotti G, Fabiano V. An Adapted Questionnaire Tailored for Assessing the Risk of Vitamin D Deficiency in Children That Is Proving Useful in Guiding Clinical Interventions. Nutrients 2024; 16:971. [PMID: 38613005 PMCID: PMC11013822 DOI: 10.3390/nu16070971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND The identification of vitamin D (VitD) deficiency in pediatric populations is essential for preventive healthcare. We refined and tested the Evaluation of Deficiency Questionnaire (EVIDENCe-Q) for its utility in detecting VitD insufficiency among children. PATIENTS AND METHODS We enrolled 201 pediatric patients (aged between 3 and 18 years). Clinical evaluation and serum vitamin D levels were assessed in all subjects. The EVIDENCe-Q was updated to incorporate factors influencing VitD biosynthesis, intake, assimilation, and metabolism, with scores spanning from 0 (optimal) to 36 (poor). RESULTS We established scores for severe deficiency (<10 mg/dL) at 20, deficiency (<20 mg/dL) at 22, and insufficiency (<30 mg/dL) at 28. A score of 20 or greater was determined as the optimal cut-off for distinguishing VitD deficient from sufficient statuses, as evidenced by ROC curve analysis AUC = 0.7066; SE = 0.0841; sensitivity 100%, 95% CI 0.561-1. The most accurate alignment was seen with VitD insufficiency, defined as 25-OH-D3 < 20 ng/mL. CONCLUSIONS This study confirms that the EVIDENCe-Q is a valid instrument for assessing the risk of vitamin D deficiency and insufficiency in children. It offers a practical approach for determining the need for clinical intervention and dietary supplementation of VitD in the pediatric population.
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Affiliation(s)
- Valeria Calcaterra
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
| | - Hellas Cena
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (R.D.G.); (M.M.); (A.V.)
- Clinical Nutrition and Dietetics Service, Unit of Internal Medicine and Endocrinology, Clinical Scientific Institute Maugeri IRCCS, 27100 Pavia, Italy
| | - Rachele De Giuseppe
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (R.D.G.); (M.M.); (A.V.)
| | - Ginevra Biino
- Institute of Molecular Genetics, National Research Council of Italy, 27100 Pavia, Italy;
| | - Roberta Grazi
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
| | - Matteo Manuelli
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (R.D.G.); (M.M.); (A.V.)
| | - Sara Zanelli
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
| | - Veronica Tagi
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
- Department of Biomedical and Clinical Science, University of Milano, 20157 Milano, Italy
| | - Alessandra Vincenti
- Laboratory of Dietetics and Clinical Nutrition, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy; (R.D.G.); (M.M.); (A.V.)
| | - Gianvincenzo Zuccotti
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
- Department of Biomedical and Clinical Science, University of Milano, 20157 Milano, Italy
| | - Valentina Fabiano
- Pediatric Department, Buzzi Children’s Hospital, 20154 Milano, Italy; (R.G.); (S.Z.); (V.T.); (G.Z.); (V.F.)
- Department of Biomedical and Clinical Science, University of Milano, 20157 Milano, Italy
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Liu ES, LeBoff MS. Editorial: the role of vitamin D metabolites in the evaluation of bone health: are they physiologically relevant? J Bone Miner Res 2024; 39:1-2. [PMID: 38630885 DOI: 10.1093/jbmr/zjad012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/19/2023] [Accepted: 11/01/2023] [Indexed: 04/19/2024]
Affiliation(s)
- Eva S Liu
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Assistant Professor of Medicine, Harvard Medical School, Boston, MA 02115, United States
| | - Meryl S LeBoff
- Division of Endocrinology, Diabetes, and Hypertension, Brigham and Women's Hospital, Professor of Medicine, Harvard Medical School, Boston, MA 02115, United States
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Nwosu BU, Parajuli S, Sharma RB, Lee AF. Effect of Ergocalciferol on β-Cell Function in New-Onset Type 1 Diabetes: A Secondary Analysis of a Randomized Clinical Trial. JAMA Netw Open 2024; 7:e241155. [PMID: 38441899 PMCID: PMC10915693 DOI: 10.1001/jamanetworkopen.2024.1155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 01/12/2024] [Indexed: 03/07/2024] Open
Abstract
This secondary analysis of a randomized clinical trial evaluates the effectiveness of ergocalciferol vs placebo in youths with newly diagnosed type 1 diabetes.
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Affiliation(s)
- Benjamin Udoka Nwosu
- Northwell Health, Division of Endocrinology, Department of Pediatrics, Cohen Children’s Medical Center, New Hyde Park, New York
- Division of Endocrinology, Department of Pediatrics, University of Massachusetts Medical School, Worcester
| | - Sadichchha Parajuli
- Division of Endocrinology, Department of Pediatrics, University of Massachusetts Medical School, Worcester
- Monroe Family Medicine Program, Louisiana State University Hospital, Shreveport
| | - Rohit B. Sharma
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Austin F. Lee
- Department of Population and Quantitative Health Sciences, University of Massachusetts Chan Medical School, Worcester
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Karakose S, Bal Z, Sezer S. The comparison of paricalcitol and calcitriol effects on pulse wave velocity, osteocalcin, and fetuin-A in chronic hemodialysis patients. Semin Dial 2024; 37:131-137. [PMID: 37392044 DOI: 10.1111/sdi.13167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/09/2023] [Accepted: 06/10/2023] [Indexed: 07/02/2023]
Abstract
INTRODUCTION Vascular calcification is an intervenable factor in the pathophysiology of cardiovascular disease. Treatment-related factors might worsen the arterial stiffness in chronic hemodialysis patients. The aim of the study is to compare the effects of 1-year treatment with paricalcitol or calcitriol on pulse wave velocity (PWV), which is an indicator of arterial stiffness and osteocalcin and fetuin-A levels. METHODS Seventy-six hemodialysis patients who had similar PWV1 at the beginning were evaluated after a 1-year treatment of paricalcitol or calcitriol. PWV2, serum osteocalcin, and fetuin-A levels were measured at the end of the study. RESULTS At the end of the study, PWV2 of paricalcitol group was statistically lower than the calcitriol group. Osteocalcin levels were statistically lower and fetuin-A levels were statistically higher in the paricalcitol group than the calcitriol group at the end of the study. The number of patients with PWV2 > 7 m/s and using paricalcitol was 16 (39%) but 25 (41%) patients were using calcitriol; the differences were statistically significant. CONCLUSIONS The long-term benefits of paricalcitol were superior to the benefits of calcitriol. Paricalcitol has protective effects from vascular calcification in chronic hemodialysis patients.
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Affiliation(s)
- Suleyman Karakose
- Nephrology Department, University of Health Sciences, Konya City Hospital, Konya, Turkey
| | - Zeynep Bal
- Nephrology Department, Baskent University Faculty of Medicine, Ankara, Turkey
| | - Siren Sezer
- Nephrology Department, Baskent University Faculty of Medicine, Ankara, Turkey
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Uriol-Rivera MG, Obrador-Mulet A, Juliá MR, Daza-Cajigal V, Delgado-Sanchez O, Garcia Alvarez A, Gomez-Lobon A, Carrillo-Garcia P, Saus-Sarrias C, Gómez-Cobo C, Ramis-Cabrer D, Gasco Company J, Molina-Infante J. Sequential administration of paricalcitol followed by IL-17 blockade for progressive refractory IgA nephropathy patients. Sci Rep 2024; 14:4866. [PMID: 38418932 PMCID: PMC10902332 DOI: 10.1038/s41598-024-55425-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 02/23/2024] [Indexed: 03/02/2024] Open
Abstract
There is no established treatment for progressive IgA nephropathy refractory to steroids and immunosuppressant drugs (r-IgAN). Interleukin 17 (IL-17) blockade has garnered interest in immune-mediated diseases involving the gut-kidney axis. However, single IL-17A inhibition induced paradoxical effects in patients with Crohn's disease and some cases of de novo glomerulonephritis, possibly due to the complete Th1 cell response, along with the concomitant downregulation of regulatory T cells (Tregs). Seven r-IgAN patients were treated with at least six months of oral paricalcitol, followed by the addition of subcutaneous anti-IL-17A (secukinumab). After a mean follow-up of 28 months, proteinuria decreased by 71% (95% CI: 56-87), P < 0.001. One patient started dialysis, while the annual eGFR decline in the remaining patients [mean (95% CI)] was reduced by 4.9 mL/min/1.73 m2 (95% CI: 0.1-9.7), P = 0.046. Circulating Th1, Th17, and Treg cells remained stable, but Th2 cells decreased, modifying the Th1/Th2 ratio. Intriguingly, accumulation of circulating Th17.1 cells was observed. This novel sequential therapy appears to optimize renal advantages in patients with r-IgAN and elicit alterations in potentially pathogenic T helper cells.
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Affiliation(s)
- Miguel G Uriol-Rivera
- Nephrology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain.
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain.
| | - Aina Obrador-Mulet
- Nephrology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Maria Rosa Juliá
- Immunology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Vanessa Daza-Cajigal
- Immunology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Olga Delgado-Sanchez
- Pharmacy Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Angel Garcia Alvarez
- Pharmacy Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
| | - Ana Gomez-Lobon
- Pharmacy Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
| | - Paula Carrillo-Garcia
- Pathology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
| | - Carlos Saus-Sarrias
- Pathology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
| | - Cristina Gómez-Cobo
- Laboratory Medicine Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Daniel Ramis-Cabrer
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
| | - Joan Gasco Company
- Nephrology Department, Hospital Universitario Son Espases, Palma de Mallorca, Balearic Islands, Spain
- Fundació Institut d'Investigació Sanitària Illes Balears (IdISBa), Palma, Spain
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Arabi SM, Shahraki-Jazinaki M, Chambari M, Bahrami LS, Sabeti S, Gubari MIM, Roufogalis BD, Sahebkar A. The effect of oral supplementation of Paricalcitol on C-reactive protein levels in chronic kidney disease patients: GRADE-assessed systematic review and dose-response meta-analysis of data from randomized controlled trials. BMC Pharmacol Toxicol 2024; 25:19. [PMID: 38395972 PMCID: PMC10885610 DOI: 10.1186/s40360-024-00740-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Previous studies investigating the effect of oral supplementation of paricalcitol on reactive protein levels in chronic kidney disease (CKD) patients reported inconsistent findings. In this systematic review and meta-analysis, we have analyzed and interpreted the results obtained from previous randomized clinical trials on the effect of paricalcitol on C-reactive protein in CKD patients in the literature. METHODS MEDLINE, SciVerse Scopus, and Clarivate Analytics Web of Science databases were searched until January 2023 and related articles were obtained through a careful screening process allowing extraction of required data from selected articles. The effect size was calculated using a random effect model and weighted mean differences (WMD) and 95% confidence intervals (CI). Heterogeneity among studies was evaluated using Cochran's Q test and I2. RESULTS Amongst the 182 articles obtained from the initial search, 4 studies (6 arms) were finally included in the meta-analysis. Pooled analysis shows that C-reactive protein levels significantly decrease after oral supplementation with paricalcitol (WMD: -2.55 mg/L, 95% CI (-4.99 to -0.11; P = 0.04). The studies used in this meta-analysis showed significant heterogeneity (I2 = 66.3% and P = 0.01). CONCLUSION Oral paricalcitol supplementation in CKD patients can significantly reduce C-reactive protein levels, which may prevent CKD progression.
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Affiliation(s)
- Seyyed Mostafa Arabi
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
- Healthy Ageing Research Centre, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | | | - Mahla Chambari
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Leila Sadat Bahrami
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Sabeti
- Department of food science and nutrition, School of Medicine, Gonabad University of Medical Sciences, Gonabad, Iran
| | | | - Basil D Roufogalis
- Discipline of Pharmacology, School of Medical Sciences, University of Sydney, Sydney, NSW, Australia
- NICM Health Research Institute, Western Sydney University, Penrith, NSW, Australia
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
- Applied Biomedical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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Mehta K, Awan M, Devlin S, Jassal SK. Hypercalcaemia of malignancy: a case of vitamin-D-mediated hypercalcaemia in lymphoma. BMJ Case Rep 2024; 17:e256126. [PMID: 38320825 PMCID: PMC10859978 DOI: 10.1136/bcr-2023-256126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024] Open
Abstract
Hypercalcaemia of malignancy (HCM) is a paraneoplastic syndrome that often portends a poor prognosis. We present an extremely rare (<1%) case of HCM due to extrarenal calcitriol (1,25-(OH)2D) production in a patient with splenic marginal zone lymphoma. A man in his 80s presented with a 3-week history of fatigue, unsteadiness and abdominal pain, and new findings of anaemia, kidney injury and hypercalcaemia. Laboratory evaluation, bone marrow biopsy and positron emission tomography/computed tomography (PET/CT) confirmed the diagnosis of splenic marginal zone lymphoma which produced calcitriol (1,25-(OH)2D3), causing the patient's hypercalcaemia.
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Affiliation(s)
- Kanchi Mehta
- Medicine, UC San Diego, La Jolla, California, USA
| | - Maham Awan
- Medicine, UC San Francisco, San Francisco, California, USA
| | - Shannon Devlin
- Washington University in St Louis, St Louis, Missouri, USA
| | - Simerjot Kaur Jassal
- Medicine, UC San Diego, La Jolla, California, USA
- Primary Care, VA San Diego Healthcare System, San Diego, California, USA
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Shahidzadeh Yazdi Z, Streeten EA, Whitlatch HB, Montasser ME, Beitelshees AL, Taylor SI. Vitamin D Deficiency Increases Vulnerability to Canagliflozin-induced Adverse Effects on 1,25-Dihydroxyvitamin D and PTH. J Clin Endocrinol Metab 2024; 109:e646-e656. [PMID: 37738423 PMCID: PMC10795897 DOI: 10.1210/clinem/dgad554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 08/29/2023] [Accepted: 09/14/2023] [Indexed: 09/24/2023]
Abstract
CONTEXT Canagliflozin has been reported to increase the risk of bone fracture-possibly mediated by decreasing 1,25-dihydroxyvitamin D (1,25(OH)2D) and increasing parathyroid hormone (PTH). OBJECTIVE This work investigated whether baseline vitamin D (VitD) deficiency renders individuals vulnerable to this adverse effect and whether VitD3 supplementation is protective. METHODS This community-based, outpatient study had a paired design comparing individual participants before and after VitD3 supplementation. Eleven VitD-deficient (25-hydroxyvitamin D [25(OH)D] ≤ 20 ng/mL) individuals were recruited from the Amish population in Lancaster, Pennsylvania. Participants underwent 2 canagliflozin challenge protocols (300 mg daily for 5 days): the first before and the second after VitD3 supplementation. In the VitD3 supplementation protocol, participants received VitD3 supplementation (50 000 IU once or twice a week depending on body mass index for 4-6 weeks) to achieve 25(OH)D of 30 ng/mL or greater. Two coprimary end points were identified: effects of VitD3 supplementation on canagliflozin-induced changes in 1,25(OH)2D and PTH. Secondary end points included effects of VitD3 supplementation on baseline levels of VitD metabolites and PTH. RESULTS VitD3 supplementation increased mean 25(OH)D from 16.5 ± 1.6 to 44.3 ± 5.5 ng/mL (P = .0006) and 24,25-dihydroxyvitamin D (24,25(OH)2D) from 1.0 ± 0.1 to 4.3 ± 0.6 ng/mL (P = .0002). Mean 1,25(OH)2D and PTH were unchanged. VitD3 supplementation decreased the magnitude of canagliflozin-induced changes in 1,25(OH)2D (from -31.3%±4.7% to -9.3%±8.3%; P = .04) and PTH (from +36.2%±6.2% to +9.7%±3.7%; P = .005). CONCLUSION VitD deficiency rendered individuals more vulnerable to adverse effects of canagliflozin on biomarkers associated with bone health. VitD3 supplementation was protective against canagliflozin's short-term adverse effects on 1,25(OH)2D and PTH.
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Affiliation(s)
- Zhinous Shahidzadeh Yazdi
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Elizabeth A Streeten
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Hilary B Whitlatch
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - May E Montasser
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Amber L Beitelshees
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
| | - Simeon I Taylor
- Department of Medicine, Division of Endocrinology, Diabetes, and Nutrition, University of Maryland School of Medicine, Baltimore, MD 21201, USA
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Koroglu R, Koroglu M, Aygun H. Electrocardiographic, biochemical, and scintigraphic evidence for the cardioprotective effect of paricalcitol and vitamin D3 on doxorubicin-induced acute cardiotoxicity in rats. BRATISL MED J 2024; 125:281-288. [PMID: 38624052 DOI: 10.4149/bll_2024_42] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
AIM We aimed to investigate the possible cardioprotective effects of paricalcitol (PR), its vitamin D receptor agonist, and vitamin D3 (VIT-D3) on an experimental model of doxorubicin (DX) cardiotoxicity by 99mTc-PYP scintigraphy, electrocardiographic (ECG) and biochemical methods. METHOD Forty-two male Wistar/Albino rats (250‒300 g; aged 10‒12 weeks) were randomly separated into six groups, namely into control (CN), doxorubicin (DX), paricalcitol (PR), vitamin D3 (VIT-D3), paricalcitol + doxorubicin (PR+DX), and vitamin D3 + doxorubicin (VIT-D3+DX) groups. Cardiotoxicity was induced by three doses of DX (18 mg/kg, i.p.) at 24-hour intervals on days 18, 19 and 20. PR (0.5 ug/ kg, i.p) and VIT-D3 (5,000 IU/kg, i.p) were injected for 20 days before and after the application of DX (18 mg/kg, i.p.). On day 21 of the experiment, biochemical parameters [tumor necrosis factor TNF-alpha (TNF-α); interleukin-6 (IL-6), nitric oxide (NO), and cardiac troponin T (cTnT)], as well as ECG and scintigraphic (99mTc-PYP) features were assessed. RESULTS Compared to CN, DX significantly raised TNF-α, IL-6, and NO in heart tissue, cTnT in serum, 99mTc-PYP uptake in the myocardium, and ECG parameters, specifically QRS complex duration, QT interval duration, and ST-segment amplitude, while also reducing heart rate (p<0.001). Pretreatment with PR and VIT-D3 mitigated these abnormalities produced by DX in the heart (p<0.001). CONCLUSION Results show that vitamin D receptor agonist paricalcitol and vitamin D protect against DX-induced cardiotoxicity through anti-inflammatory and antioxidant effects (Fig. 4, Ref. 59). Text in PDF www.elis.sk Keywords: paricalcitol, doxorubicin, vitamin D, ECG, 99mTc-PYP scintigraphy, cardiotoxicity, inflammation.
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Zhang QF, Xiao HM, An N, Zhu QF, Feng YQ. Determination of vitamin D metabolites in various biological samples through an improved chemical derivatization assisted liquid chromatography-tandem mass spectrometry approach. Anal Methods 2023; 15:6009-6014. [PMID: 37927098 DOI: 10.1039/d3ay01769a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2023]
Abstract
Vitamin D (VD) metabolites are involved in a variety of important metabolic processes and physiological effects in organisms. Profiling of VD metabolites favors a deep understanding of the physiological role of VD. However, VD metabolites are difficult to detect due to their high chemical structural rigidity, structural similarity, and low sensitivities under liquid chromatography-tandem mass spectrometry (LC-MS). Herein, we present a chemical derivatization assisted LC-MS/MS strategy for the detection of VDs, in which 4-phenyl-1,2,4-triazoline-3,5-dione (PTAD) is employed to derivatize the conjugated diene of VD metabolites and provides sensitizing reporters for MS detection. After PTAD derivatization, the sensitivities of seven VD metabolites increased by 24-276 folds, with the limits of detection ranging from 3 to 20 pg mL-1. Using this method, we achieved a sensitive and accurate quantification of 7 VD metabolites (vitamin D2, vitamin D3, 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, 1,25-dihydroxyvitamin D2, 1,25-dihydroxyvitamin D3, and 1,24,25-trihydroxyvitamin D3) of the VD metabolic pathway in different trace biological samples, including human serum, mouse tissues (namely liver, kidney, lung, and spleen), and cells. We believe that the present method can provide a promising tool for an in-depth analysis of VD metabolism.
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Affiliation(s)
- Qin-Feng Zhang
- Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
- Hubei Geological Research Laboratory, Wuhan 430034, PR China
| | - Hua-Ming Xiao
- Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
| | - Na An
- Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
| | - Quan-Fei Zhu
- School of Public Health, Wuhan University, Wuhan 430071, PR China.
| | - Yu-Qi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, PR China.
- School of Public Health, Wuhan University, Wuhan 430071, PR China.
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Wu D, Nealon G, Liu Y, Kim TK, Slominski AT, Tuckey RC. Metabolism of Lumisterol 2 by CYP27A1. J Steroid Biochem Mol Biol 2023; 233:106370. [PMID: 37499840 DOI: 10.1016/j.jsbmb.2023.106370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/18/2023] [Accepted: 07/22/2023] [Indexed: 07/29/2023]
Abstract
Lumisterol2 (L2) is a photoproduct of UVB action on the fungal membrane sterol, ergosterol. Like vitamin D2, it is present in edible mushrooms, especially after UV irradiation. Lumisterol3 is similarly produced in human skin from 7-dehydrocholesterol by UVB and can be converted to hydroxy-metabolites by CYP27A1 and CYP11A1. These products are biologically active on human cells with actions that include photoprotection and inhibition of proliferation. The aim of this study was to test the ability of CYP11A1 and CYP27A1 to metabolise L2. Purified CYP27A1 was found to efficiently metabolise L2 to three major products and several minor products, whilst CYP11A1 did not act appreciably on L2. The three major products of CYP27A1 action on L2 were identified by mass spectrometry and NMR as 24-hydroxyL2, 27-hydroxyL2 and 28-hydroxyL2. Minor products included two dihydroxy L2 species, one which was identified as 24,27(OH)2L2, and another metabolite with one oxo and one hydroxyl group added. A comparison on the kinetics of the metabolism of L2 by CYP27A1 with that of the structurally similar compounds, L3 and ergosterol, was carried out with substrates incorporated into phospholipid vesicles. CYP27A1 displayed a 12-fold lower Km with L2 as substrate compared to L3 and a 5-fold lower turnover number (kcat), resulting in a 2.2 fold higher catalytic efficiency (kcat/Km) for L2 metabolism. L2 was a much better substrate for CYP27A1 than its precursor, ergosterol, with a catalytic efficiency 18-fold higher. The major CYP27A1-derived hydroxy-L2 products, 24-hydroxyL2, 27-hydroxyL2 and 28-hydroxyL2, inhibited the proliferation of melanoma and epidermoid cancer cell lines. In conclusion, this study shows that L2 is not metabolized appreciably by CYP11A1, but it is a good substrate for CYP27A1 which hydroxylates its side chain to produce 3 major products that display anti-proliferative activity on skin-cancer cell lines.
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Affiliation(s)
- Dongxian Wu
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Gareth Nealon
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia; Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, Perth, WA 6009, Australia
| | - Yuchen Liu
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Tae-Kang Kim
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Andrzej T Slominski
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, USA; VA Medical Center, Birmingham, AL, USA
| | - Robert C Tuckey
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia.
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13
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Kushioka T, Mano H, Matsuoka S, Nishikawa M, Yasuda K, Ikushiro S, Sakaki T. Analysis of vitamin D metabolites in biological samples using a nanoluc-based vitamin D receptor ligand sensing system: NLucVDR. J Steroid Biochem Mol Biol 2023; 233:106367. [PMID: 37517743 DOI: 10.1016/j.jsbmb.2023.106367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/28/2023] [Accepted: 07/22/2023] [Indexed: 08/01/2023]
Abstract
Many assays are currently being developed to measure the levels of vitamin D metabolites in various samples (such as blood, urine, and saliva). This study focused on the measurement of vitamin D metabolites in serum and urine using the NLucVDR assay system, which consists of a split-type nanoluciferase and ligand-binding domain (LBD) of the human vitamin D receptor. Blood and urine samples were collected from 23 participants to validate the NLucVDR assay. The 25(OH)D3 levels in the serum and urine determined by the NLucVDR assay showed good correlations with those determined by standard analytical methods (ECLIA for serum and LC-MS/MS for urine), with correlation coefficients of 0.923 and 0.844 for serum and urine samples, respectively. In the case of serum samples, 25(OH)D3 levels determined by the NLucVDR assay were in good agreement with those determined by ECLIA. Therefore, the NLucVDR assay is a useful tool for measuring serum 25(OH)D3 levels. The contribution of each vitamin D metabolite to the luminescence intensity obtained during the NLucVDR assay depends on its concentration and affinity for NLucVDR. Thus, the contribution of 25(OH)D3 in serum appears to be much higher than that of the other metabolites. In contrast, the 25(OH)D3 levels in the urine determined by the NLucVDR assay were more than 20-fold higher than those determined by a standard analytical method (LC-MS/MS), suggesting that some vitamin D metabolite(s) in the urine remarkably increased the luminescence intensity of the NLucVDR assay. Notably, the 25(OH)D3 concentration in the urine determined by the NLucVDR assay and the serum 25(OH)D3 concentration determined by standard analytical methods showed a significant positive correlation (r = 0.568). These results suggest that the analysis of a small amount of urine using the NLucVDR assay may be useful for predicting the serum 25(OH)D3 levels.
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Affiliation(s)
- Takuya Kushioka
- FANCL Research Institute, FANCL Corporation, 12-13 Kamishinano, Totsuka-ku, Yokohama, Kanagawa 244-0806, Japan
| | - Hiroki Mano
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Sayuri Matsuoka
- FANCL Research Institute, FANCL Corporation, 12-13 Kamishinano, Totsuka-ku, Yokohama, Kanagawa 244-0806, Japan
| | - Miyu Nishikawa
- Department of Biotechnology, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Kaori Yasuda
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Shinichi Ikushiro
- Department of Biotechnology, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan
| | - Toshiyuki Sakaki
- Department of Pharmaceutical Engineering, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan.
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14
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Li L, Tuckey RC. Inactivation of vitamin D2 metabolites by human CYP24A1. J Steroid Biochem Mol Biol 2023; 233:106368. [PMID: 37495192 DOI: 10.1016/j.jsbmb.2023.106368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/26/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
Vitamin D is found in two forms in humans, D3 produced in the skin and D2 solely from the diet. Both 25-hydroxyvitamin D (25(OH)D) and 1,25-dihydroxyvitamin D (1,25(OH)2D) are oxidised and inactivated by CYP24A1, a tightly regulated mitochondrial enzyme that controls serum levels of these secosteroids. The pathways of oxidation of 25(OH)D2 and 1,25(OH)2D2, particularly 25(OH)D2, by human CYP24A1 are not well characterized. The aim of this study was to further elucidate these pathways, and to compare the kinetics of metabolism of 25(OH)D2 and 1,25(OH)2D2 with their vitamin D3 counterparts. We used expressed and partially purified human CYP24A1 with substrates dissolved in the membrane of phospholipid vesicles, to mimic the inner mitochondrial membrane. We found that the major pathways for side chain oxidation of 25(OH)D2 and 1,25(OH)2D2 were identical and that predominant intermediates of 25(OH)D2 metabolism could be converted to the corresponding intermediates in the pathway of 1,25(OH)2D2 oxidation by 1α-hydroxylation by CYP27B1. The initial steps in the CYP24A1-mediated oxidation involved hydroxylation at the C24R position, and another unknown position where the alcohol was oxidised to an aldehyde. The 24R-hydroxylation was followed by hydroxylation at C26 or C28, or cleavage between C24 and C25 to produce the 24-oxo-25,26,27-trinor derivative. All of these products were further oxidised, with 24-oxo-25,26,27-trinor-1(OH)D2 giving a product tentatively identified as 24-oxo-25,26,27-trinor-1,28(OH)2D2. The catalytic efficiency (kcat/Km) of CYP24A1 for initial 25(OH)D2 hydroxylation was similar to that for 25(OH)D3, indicating that they have similar rates of inactivation at low substrate concentrations, supporting that vitamins D2 and D3 are equally effective in maintaining serum 25(OH)D concentrations. In contrast, the kcat/Km value for 1,25(OH)2D3 was almost double that for 1,25(OH)2D2 indicating a lower rate of inactivation of 1,25(OH)2D2 at a low substrate concentration, suggesting that it has increased metabolic stability in vivo.
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Affiliation(s)
- Lei Li
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Robert C Tuckey
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia.
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15
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Burt LA, Kaufmann M, Rose MS, Jones G, Billington EO, Boyd SK, Hanley DA. Measurements of the Vitamin D Metabolome in the Calgary Vitamin D Study: Relationship of Vitamin D Metabolites to Bone Loss. J Bone Miner Res 2023; 38:1312-1321. [PMID: 37409797 DOI: 10.1002/jbmr.4876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/31/2023] [Accepted: 06/30/2023] [Indexed: 07/07/2023]
Abstract
In a 36-month randomized controlled trial examining the effect of high-dose vitamin D3 on radial and tibial total bone mineral density (TtBMD), measured by high-resolution peripheral quantitative tomography (HR-pQCT), participants (311 healthy males and females aged 55-70 years with dual-energy X-ray absorptiometry T-scores > -2.5 without vitamin D deficiency) were randomized to receive 400 IU (N = 109), 4000 IU (N = 100), or 10,000 IU (N = 102) daily. Participants had HR-pQCT radius and tibia scans and blood sampling at baseline, 6, 12, 24, and 36 months. This secondary analysis examined the effect of vitamin D dose on plasma measurements of the vitamin D metabolome by liquid chromatography-tandem mass spectrometry (LC-MS/MS), exploring whether the observed decline in TtBMD was associated with changes in four key metabolites [25-(OH)D3 ; 24,25-(OH)2 D3 ; 1,25-(OH)2 D3 ; and 1,24,25-(OH)3 D3 ]. The relationship between peak values in vitamin D metabolites and changes in TtBMD over 36 months was assessed using linear regression, controlling for sex. Increasing vitamin D dose was associated with a marked increase in 25-(OH)D3 , 24,25-(OH)2 D3 and 1,24,25-(OH)3 D3 , but no dose-related change in plasma 1,25-(OH)2 D3 was observed. There was a significant negative slope for radius TtBMD and 1,24,25-(OH)3 D3 (-0.05, 95% confidence interval [CI] -0.08, -0.03, p < 0.001) after controlling for sex. A significant interaction between TtBMD and sex was seen for 25-(OH)D3 (female: -0.01, 95% CI -0.12, -0.07; male: -0.04, 95% CI -0.06, -0.01, p = 0.001) and 24,25-(OH)2 D3 (female: -0.75, 95% CI -0.98, -0.52; male: -0.35, 95% CI -0.59, -0.11, p < 0.001). For the tibia there was a significant negative slope for 25-(OH)D3 (-0.03, 95% CI -0.05, -0.01, p < 0.001), 24,25-(OH)2 D3 (-0.30, 95% CI -0.44, -0.16, p < 0.001), and 1,24,25-(OH)3 D3 (-0.03, 95% CI -0.05, -0.01, p = 0.01) after controlling for sex. These results suggest vitamin D metabolites other than 1,25-(OH)2 D3 may be responsible for the bone loss seen in the Calgary Vitamin D Study. Although plasma 1,25-(OH)2 D3 did not change with vitamin D dose, it is possible rapid catabolism to 1,24,25-(OH)3 D3 prevented the detection of a dose-related rise in plasma 1,25-(OH)2 D3 . © 2023 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Lauren A Burt
- McCaig Institute for Bone and Joint Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Martin Kaufmann
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Marianne S Rose
- Research Facilitation, Alberta Health Services, Calgary, Alberta, Canada
| | - Glenville Jones
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada
| | - Emma O Billington
- McCaig Institute for Bone and Joint Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Division of Endocrinology & Metabolism, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Steven K Boyd
- McCaig Institute for Bone and Joint Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - David A Hanley
- McCaig Institute for Bone and Joint Health, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Division of Endocrinology & Metabolism, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
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16
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Cheng H, Chi P, Zhuang Y, Alifu X, Zhou H, Qiu Y, Huang Y, Zhang L, Ainiwan D, Peng Z, Si S, Liu H, Yu Y. Association of 25-Hydroxyvitamin D with Preterm Birth and Premature Rupture of Membranes: A Mendelian Randomization Study. Nutrients 2023; 15:3593. [PMID: 37630783 PMCID: PMC10459690 DOI: 10.3390/nu15163593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 08/04/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Low vitamin D (VitD) level is a risk factor for preterm birth (PTB), but the results of previous studies remained inconsistent, which may be influenced by the confounding factors and different types of PTB. We performed Mendelian randomization (MR) to uncover the association of 25-hydroxyvitamin D (25(OH)D) with PTB, premature rupture of membranes (PROM), and preterm premature rupture of membranes (PPROM). This study was conducted in Zhoushan Maternal and Child Health Hospital, Zhejiang, from August 2011 to March 2022. Plasma 25(OH)D levels in three trimesters of pregnancy were measured. We conducted an MR analysis utilizing a genetic risk score (GRS) approach, which was based on VitD-associated single-nucleotide polymorphisms. The prospective cohort study included 3923 pregnant women. The prevalence of PTB, PROM, and PPROM were 6.09%, 13.18%, and 1.33%, respectively. Compared to those without vitamin D deficiency (VDD), only vaginally delivering pregnant women with VDD had a 2.69 (1.08-6.68) times risk of PTB. However, MR analysis did not support the association. One-unit higher GRS was not associated with an increased risk of PTB, regardless of the trimesters (OR [95% CI]: 1.01 [0.93-1.10], 1.06 [0.96-1.18], and 0.95 [0.82-1.10], respectively). When further taking PROM and PPROM as the outcomes, the MR analysis also showed no consistent evidence of a causal effect of VitD levels on the risk of them. Our MR analyses did not support a causal effect of 25(OH)D concentrations in the three trimesters on PTB, PROM, and PPROM.
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Affiliation(s)
- Haoyue Cheng
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Peihan Chi
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Yan Zhuang
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Xialidan Alifu
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Haibo Zhou
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Yiwen Qiu
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ye Huang
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Libi Zhang
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Diliyaer Ainiwan
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Zhicheng Peng
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Shuting Si
- Yiwu Maternity and Children Hospital, Yiwu 322000, China
| | - Hui Liu
- Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310000, China
| | - Yunxian Yu
- Department of Public Health and Department of Anesthesiology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China; (H.C.)
- Department of Epidemiology & Health Statistics, School of Public Health, School of Medicine, Zhejiang University, Hangzhou 310058, China
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Hsu S, Zelnick LR, Bansal N, Brown J, Denburg M, Feldman HI, Ginsberg C, Hoofnagle AN, Isakova T, Leonard MB, Lidgard B, Robinson‐Cohen C, Wolf M, Xie D, Kestenbaum BR, de Boer IH. Vitamin D Metabolites and Risk of Cardiovascular Disease in Chronic Kidney Disease: The CRIC Study. J Am Heart Assoc 2023; 12:e028561. [PMID: 37421259 PMCID: PMC10382125 DOI: 10.1161/jaha.122.028561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 04/18/2023] [Indexed: 07/10/2023]
Abstract
Background The ratio of 24,25-dihydroxyvitamin D3/25-hydroxyvitamin D3 (vitamin D metabolite ratio [VDMR]) may reflect functional vitamin D activity. We examined associations of the VDMR, 25-hydroxyvitamin D (25[OH]D), and 1,25-dihydroxyvitamin D (1,25[OH]2D) with cardiovascular disease (CVD) in patients with chronic kidney disease. Methods and Results This study included longitudinal and cross-sectional analyses of 1786 participants from the CRIC (Chronic Renal Insufficiency Cohort) Study. Serum 24,25-dihydroxyvitamin D3, 25(OH)D, and 1,25(OH)2D were measured by liquid chromatography-tandem mass spectrometry 1 year after enrollment. The primary outcome was composite CVD (heart failure, myocardial infarction, stroke, and peripheral arterial disease). We used Cox regression with regression-calibrated weights to test associations of the VDMR, 25(OH)D, and 1,25(OH)2D with incident CVD. We examined cross-sectional associations of these metabolites with left ventricular mass index using linear regression. Analytic models adjusted for demographics, comorbidity, medications, estimated glomerular filtration rate, and proteinuria. The cohort was 42% non-Hispanic White race and ethnicity, 42% non-Hispanic Black race and ethnicity, and 12% Hispanic ethnicity. Mean age was 59 years, and 43% were women. Among 1066 participants without prevalent CVD, there were 298 composite first CVD events over a mean follow-up of 8.6 years. Lower VDMR and 1,25(OH)2D were associated with incident CVD before, but not after, adjustment for estimated glomerular filtration rate and proteinuria (hazard ratio, 1.11 per 1 SD lower VDMR [95% CI, 0.95-1.31]). Only 25(OH)D was associated with left ventricular mass index after full covariate adjustment (0.6 g/m2.7 per 10 ng/mL lower [95% CI, 0.0-1.3]). Conclusions Despite modest associations of 25(OH)D with left ventricular mass index, 25(OH)D, the VDMR, and 1,25(OH)2D were not associated with incident CVD in chronic kidney disease.
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Affiliation(s)
- Simon Hsu
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
| | - Leila R. Zelnick
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
| | - Nisha Bansal
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
| | - Julia Brown
- Division of Nephrology and Hypertension, Department of MedicineLoyola University of ChicagoMaywoodIL
| | - Michelle Denburg
- Division of Pediatric NephrologyDepartment of Pediatrics, The Children’s Hospital of PhiladelphiaPhiladelphiaPA
- Department of Biostatistics, Epidemiology, and InformaticsPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
| | - Harold I. Feldman
- Department of Biostatistics, Epidemiology, and InformaticsPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
- Center for Clinical Epidemiology and BiostatisticsPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
| | - Charles Ginsberg
- Division of Nephrology‐HypertensionUniversity of California, San DiegoSan DiegoCA
| | | | - Tamara Isakova
- Division of Nephrology and Hypertension, Center for Translational Metabolism and Health, Institute for Public Health and MedicineNorthwestern University Feinberg School of MedicineChicagoIL
| | - Mary B. Leonard
- Division of Nephrology, Lucile Packard Children’s HospitalStanford University School of MedicinePalo AltoCA
| | - Benjamin Lidgard
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
| | | | - Myles Wolf
- Division of Nephrology, Department of Medicine, Duke Clinical Research InstituteDuke University School of MedicineDurhamNCUSA
| | - Dawei Xie
- Department of Biostatistics, Epidemiology, and InformaticsPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
- Center for Clinical Epidemiology and BiostatisticsPerelman School of Medicine at the University of PennsylvaniaPhiladelphiaPA
| | - Bryan R. Kestenbaum
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
| | - Ian H. de Boer
- Division of Nephrology and Kidney Research Institute, Department of MedicineUniversity of WashingtonSeattleWA
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18
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Mandlik R, Ladkat D, Khadilkar A. Contribution of Vitamin D Metabolites to Vitamin D Concentrations of Families Residing in Pune City. Nutrients 2023; 15:2003. [PMID: 37111224 PMCID: PMC10145318 DOI: 10.3390/nu15082003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/11/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
The objective was to explore the patterns of contribution from vitamin D metabolites (D2 and D3) to total vitamin D concentrations in Indian families. This cross-sectional study was carried out in slum-dwelling families residing in Pune city. Data on demography, socio-economic status, sunlight exposure, anthropometry, and biochemical parameters (serum 25OHD2, 25OHD3) via the liquid chromatography-tandem mass spectrometry method were collected. The results are presented for 437 participants (5 to 80 years). One-third were vitamin-D-deficient. Intake of foods containing vitamin D2 or D3 was rarely reported. Irrespective of gender, age, and vitamin D status, the contribution of D3 to total 25OHD concentrations far exceeded that of D2 (p < 0.05). The contribution of D2 ranged from 8% to 33% while that of D3 to 25OHD concentrations ranged from 67% to 92%. 25OHD3 is a major contributor to overall vitamin D concentrations, and the contribution of 25OHD2 was found to be negligible. This implies that sunlight and not diet is currently the major source of vitamin D. Considering that lifestyle and cultural practices may lead to insufficient sunlight exposure for large sections of the society, especially women, dietary contribution to vitamin D concentrations through fortification may play an important role in improving the vitamin D status of Indians.
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Affiliation(s)
- Rubina Mandlik
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, 32 Sassoon Road, Pune 411001, India; (D.L.); (A.K.)
| | - Dipali Ladkat
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, 32 Sassoon Road, Pune 411001, India; (D.L.); (A.K.)
| | - Anuradha Khadilkar
- Hirabai Cowasji Jehangir Medical Research Institute, Jehangir Hospital, 32 Sassoon Road, Pune 411001, India; (D.L.); (A.K.)
- Interdisciplinary School of Health Sciences, Savitribai Phule Pune University, Ganeshkind Road, Pune 411007, India
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Chai J, Weifeng X, Quan Z, Dan Y, Mingyan L, Chaochao W, Yingjie W, Jisong L. Analysis of the Levels of Vitamin A, D and E in Peripheral Blood of Children in Zhejiang Province. Clin Lab 2023; 69. [PMID: 36912304 DOI: 10.7754/clin.lab.2022.210903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
BACKGROUND This study aims to investigate the serum fat-soluble vitamins A, D, and E levels of children in Zhejiang Province, and to provide a reference range of fat-soluble vitamins for children in Zhejiang Province. METHODS Between May 2019 and December 2019, 871 children who sent peripheral blood samples to Hangzhou Biozon Medical Institute Co., Ltd. for fat-soluble vitamin A, D, and E analysis were selected, including 432 boys and 439 girls. After the peripheral blood was collected, the serum A, D, and E levels were measured, and the differences in age, gender, season, and region were compared. RESULTS With age, the level of vitamin A gradually increased (p < 0.01), and vitamin D2, D3, and total vitamin D all increased first and then decreased. Vitamin A (131.79 ± 47.05 ng/mL vs. 121.96 ± 41.01 ng/mL) and E (5.87 ± 2.23 μg/mL vs. 5.56 ± 2.13 μg/mL) levels of girls were higher than boys (p < 0.01), and vitamin D3 (15.25 ± 6.16 ng/mL vs.15.17 ± 7.26 ng/mL) and total vitamin D (18.09 ± 7.01 ng/mL vs. 17.03 ± 8.79 ng/mL) levels of boys were higher than girls (p < 0.01). From the perspective of regional distribution, the levels of vitamin A, D2, and E in Ningbo were higher than those in Hangzhou and other regions. The seasonal distribution of vitamin A and E levels were highest in summer, while vitamin D3 and D levels were highest in fall. The average vitamin concentrations were as follows: vitamin A was (126.81 ± 44.42) ng/mL; vitamin D2 was (1.84 ± 3.16) ng/mL, vitamin D3 was (15.71 ± 6.75) ng/mL, total vitamin D was (17.55 ± 7.91) ng/mL, and vitamin E was (5.72 ± 2.19) μg/mL. The reference value ranges of vitamin A, D2, D3, D, and E were (52.44 - 222.27) ng/mL, (0.01 - 11.66) ng/mL, (4.92 - 30.96) ng/mL, (4.92 - 30.96) ng/mL, and (2.66 - 10.92) μg/mL, respectively. CONCLUSIONS The childrens' fat soluble vitamin levels in Zhejiang province show significant differences in age, gender, season, and regional distribution. Corresponding reference standards should be formulated as soon as possible, and vitamin supplements should be targeted and reasonable to ensure the healthy development of children.
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Abstract
Recent research activities have provided new insights in vitamin D metabolism in various conditions. Furthermore, substantial progress has been made in the analysis of vitamin D metabolites and related biomarkers, such as vitamin D binding protein. Liquid chromatography tandem mass spectrometric (LC-MS/MS) methods are capable of accurately measuring multiple vitamin D metabolites in parallel. Nevertheless, only 25(OH)D and the biologically active form 1,25(OH)2D are routinely measured in clinical practice. While 25(OH)D remains the analyte of choice for the diagnosis of vitamin D deficiency, 1,25(OH)2D is only recommended in a few conditions with a dysregulated D metabolism. 24,25(OH)2D, free and bioavailable 25(OH)D, and the vitamin D metabolite ratio (VMR) have shown promising results, but technical pitfalls in their quantification, limited clinical data and the lack of reference values, impede their use in clinical practice. LC-MS/MS is the preferred method for the measurement of all vitamin D related analytes as it offers high sensitivity and specificity. In particular, 25(OH)D and 24,25(OH)2D can accurately be measured with this technology. When interpreted together, they seem to provide a functional measure of vitamin D metabolism beyond the analysis of 25(OH)D alone. The determination of VDBP, free and bioavailable 25(OH)D is compromised by unresolved analytical issues, lacking reference intervals and insufficient clinical data. Therefore, future research activities should focus on analytical standardization and exploration of their clinical value. This review provides an overview on established and new vitamin D related biomarkers including their pathophysiological role, preanalytical and analytical aspects, expected values, indications and influencing conditions.
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Affiliation(s)
- N Alonso
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - S Zelzer
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - G Eibinger
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - M Herrmann
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria.
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21
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Lavigne JE, Gibbons JB. The association between vitamin D serum levels, supplementation, and suicide attempts and intentional self-harm. PLoS One 2023; 18:e0279166. [PMID: 36724169 PMCID: PMC9891532 DOI: 10.1371/journal.pone.0279166] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 11/29/2022] [Indexed: 02/02/2023] Open
Abstract
OBJECTIVES The purpose of this study is to determine the associations between Vitamin D supplementation, 25(OH) blood serum levels, suicide attempts, and intentional self-harm in a population of veterans in the Department of Veterans Affairs (VA). METHODS A retrospective cohort study of US Veterans supplemented with Vitamin D. Veterans with any Vitamin D3 (cholecalciferol) or Vitamin D2 (ergocalciferol) fill between 2010 and 2018 were matched 1:1 to untreated control veterans having similar demographics and medical histories. Cox proportional hazards regression was used to estimate the time from the first Vitamin D3 (cholecalciferol) or Vitamin D2 (ergocalciferol) prescription fill to the first suicide attempt or intentional self-harm. Analyses were repeated in stratified samples to measure associations by race (Black or White), gender (male or female), blood levels (0-19 ng/ml, 20-39 ng/ml, and 40+ ng/ml), and average daily dosage. RESULTS Vitamin D3 and D2 supplementation were associated with a 45% and 48% lower risk of suicide attempt and self-harm ((D2 Hazard Ratio (HR) = 0.512, [95% CI, 0.457, 0.574]; D3 HR = 0.552, [95% CI, 0.511, 0.597])). Supplemented black veterans and veterans with 0-19 ng/ml vitamin D serum levels were at ~64% lower risk relative to controls (Black Veteran HR: 0.362 [95% CI: 0.298,0.440]; 0-19 ng/ml HR: 0.359 [95% CI: 0.215,0.598]). Supplementation with higher vitamin D dosages was associated with greater risk reductions than lower dosages (Log Average Dosage HR: 0.837 [95% CI: 0.779,0.900]). CONCLUSIONS Vitamin D supplementation was associated with a reduced risk of suicide attempt and self-harm in Veterans, especially in veterans with low blood serum levels and Black veterans.
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Affiliation(s)
- Jill E. Lavigne
- Department of Veterans Affairs, Center of Excellence for Suicide Prevention, Canandaigua, New York, United States of America
- Wegmans School of Pharmacy, St John Fisher College, Rochester, New York, United States of America
| | - Jason B. Gibbons
- Department of Veterans Affairs, Center of Excellence for Suicide Prevention, Canandaigua, New York, United States of America
- Department of Health Policy & Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States of America
- * E-mail:
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Pop TL, Sîrbe C, Benţa G, Mititelu A, Grama A. The Role of Vitamin D and Vitamin D Binding Protein in Chronic Liver Diseases. Int J Mol Sci 2022; 23:ijms231810705. [PMID: 36142636 PMCID: PMC9503777 DOI: 10.3390/ijms231810705] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 11/24/2022] Open
Abstract
Vitamin D (calciferol) is a fat-soluble vitamin that has a significant role in phospho-calcium metabolism, maintaining normal calcium levels and bone health development. The most important compounds of vitamin D are cholecalciferol (vitamin D3, or VD3) and ergocalciferol (vitamin D2, or VD2). Besides its major role in maintaining an adequate level of calcium and phosphate concentrations, vitamin D is involved in cell growth and differentiation and immune function. Recently, the association between vitamin D deficiency and the progression of fibrosis in chronic liver disease (CLD) was confirmed, given the hepatic activation process and high prevalence of vitamin D deficiency in these diseases. There are reports of vitamin D deficiency in CLD regardless of the etiology (chronic viral hepatitis, alcoholic cirrhosis, non-alcoholic fatty liver disease, primary biliary cirrhosis, or autoimmune hepatitis). Vitamin D binding protein (VDBP) is synthesized by the liver and has the role of binding and transporting vitamin D and its metabolites to the target organs. VDBP also plays an important role in inflammatory response secondary to tissue damage, being involved in the degradation of actin. As intense research during the last decades revealed the possible role of vitamin D in liver diseases, a deeper understanding of the vitamin D, vitamin D receptors (VDRs), and VDBP involvement in liver inflammation and fibrogenesis could represent the basis for the development of new strategies for diagnosis, prognosis, and treatment of liver diseases. This narrative review presents an overview of the evidence of the role of vitamin D and VDBP in CLD, both at the experimental and clinical levels.
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Affiliation(s)
- Tudor Lucian Pop
- 2nd Pediatric Discipline, Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- 2nd Pediatric Clinic, Emergency Clinical Hospital for Children, 400177 Cluj-Napoca, Romania
| | - Claudia Sîrbe
- 2nd Pediatric Discipline, Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- Correspondence:
| | - Gabriel Benţa
- 2nd Pediatric Discipline, Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Alexandra Mititelu
- 2nd Pediatric Discipline, Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Alina Grama
- 2nd Pediatric Discipline, Department of Mother and Child, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
- 2nd Pediatric Clinic, Emergency Clinical Hospital for Children, 400177 Cluj-Napoca, Romania
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Sparks AM, Johnston SE, Handel I, Pilkington JG, Berry J, Pemberton JM, Nussey DH, Mellanby RJ. Vitamin D status is heritable and under environment-dependent selection in the wild. Mol Ecol 2022; 31:4607-4621. [PMID: 34888965 PMCID: PMC9545857 DOI: 10.1111/mec.16318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 11/12/2021] [Accepted: 11/24/2021] [Indexed: 11/30/2022]
Abstract
Vitamin D has a well-established role in skeletal health and is increasingly linked to chronic disease and mortality in humans and companion animals. Despite the clear significance of vitamin D for health and obvious implications for fitness under natural conditions, no longitudinal study has tested whether the circulating concentration of vitamin D is under natural selection in the wild. Here, we show that concentrations of dietary-derived vitamin D2 and endogenously produced vitamin D3 metabolites are heritable and largely polygenic in a wild population of Soay sheep (Ovis aries). Vitamin D2 status was positively associated with female adult survival, and vitamin D3 status predicted female fecundity in particular, good environment years when sheep density and competition for resources was low. Our study provides evidence that vitamin D status has the potential to respond to selection, and also provides new insights into how vitamin D metabolism is associated with fitness in the wild.
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Affiliation(s)
- Alexandra M. Sparks
- Institute of Evolutionary BiologySchool of Biological SciencesUniversity of EdinburghEdinburghUK
- Faculty of Biological SciencesSchool of BiologyUniversity of LeedsLeedsUK
| | - Susan E. Johnston
- Institute of Evolutionary BiologySchool of Biological SciencesUniversity of EdinburghEdinburghUK
| | - Ian Handel
- Royal (Dick) School of Veterinary Studies and The Roslin InstituteThe University of EdinburghHospital for Small AnimalsRoslinUK
| | - Jill G. Pilkington
- Institute of Evolutionary BiologySchool of Biological SciencesUniversity of EdinburghEdinburghUK
| | - Jacqueline Berry
- Specialist Assay Laboratory (Vitamin D)Clinical BiochemistryManchester Royal InfirmaryManchesterUK
| | - Josephine M. Pemberton
- Institute of Evolutionary BiologySchool of Biological SciencesUniversity of EdinburghEdinburghUK
| | - Daniel H. Nussey
- Institute of Evolutionary BiologySchool of Biological SciencesUniversity of EdinburghEdinburghUK
| | - Richard J. Mellanby
- Royal (Dick) School of Veterinary Studies and The Roslin InstituteThe University of EdinburghHospital for Small AnimalsRoslinUK
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24
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Enko D, Meinitzer A, Zelzer S, Herrmann M, Artinger K, Rosenkranz AR, Zitta S. Vitamin D metabolism in living kidney donors before and after organ donation. Clin Chem Lab Med 2022; 60:1218-1224. [PMID: 35514251 DOI: 10.1515/cclm-2022-0148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 04/29/2022] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Living kidney donors provide a unique setting to study functional and metabolic consequences after organ donation. Since the lack of data of the homoeostasis of numerous vitamin D metabolites in these healthy subjects, the aim of this study was to assess the vitamin D metabolism before and after kidney donation. METHODS We investigated the 25-dihydroxyvitamin D2 (25[OH]D2), 25-dihydroxyvitamin D3 (25[OH]D3), 1,25-dihydroxyvitamin D3 (1,25[OH]2D3), 24,25-dihydroxyvitamin D3 (24,25[OH]2D3), 25,26-dihydroxyvitamin D3 (25,26[OH]2D3), and the native vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol) in a well characterized study cohort of 32 healthy living kidney donors before and after organ donation. RESULTS Thirty-two healthy subjects after kidney donation had significantly lower median (interquartile range) 1,25(OH)2D3 serum concentrations (88.6 [62.6-118.8] vs. 138.0 [102.6-152.4] pmol/L, p<0.001) and significantly higher median 25(OH)D2 serum levels (1.80 [1.19-2.19] vs. 1.11 [0.74-1.59] nmol/L, p=0.019) than before donation. Similar serum concentrations of 25(OH)D3 and 25,26(OH)2D3 were observed before and after donation. The 24,25(OH)2D3 blood levels distinctly decreased after organ donation (4.1 [2.3-5.3] vs. 5.3 [2.2-6.9] nmol/L, p=0.153). Native vitamin D2 (0.10 [0.08-0.14] vs. 0.08 [0.06-0.12] nmol/L, p=0.275) was slightly increased and vitamin D3 (1.6 [0.6-7.2] vs. 2.5 [0.9-8.6] nmol/L, p=0.957) decreased after kidney donation. CONCLUSIONS Living kidney donors were found with decreased 1,25(OH)2D3 and 24,25(OH)2D3, increased 25(OH)D2 and consistent 25(OH)D3 and 25,26(OH)2D3 serum concentrations after organ donation. The current study advances the understanding on vitamin D metabolism suggesting that altered hydroxylase-activities after donation is accompanied by compensatory elevated dietary-related 25(OH)D2 blood concentrations.
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Affiliation(s)
- Dietmar Enko
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
- Institute of Clinical Chemistry and Laboratory Medicine, General Hospital Hochsteiermark, Leoben, Austria
| | - Andreas Meinitzer
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Sieglinde Zelzer
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Markus Herrmann
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Graz, Austria
| | - Katharina Artinger
- Department of Internal Medicine, Division of Nephrology, Medical University of Graz, Graz, Austria
| | - Alexander R Rosenkranz
- Department of Internal Medicine, Division of Nephrology, Medical University of Graz, Graz, Austria
| | - Sabine Zitta
- Department of Internal Medicine, Division of Nephrology, Medical University of Graz, Graz, Austria
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El-Boshy M, Alsaegh A, Qasem AH, Sindi RA, Abdelghany AH, Gadalla H, Reda D, Azzeh F, Idris S, Ahmad J, Refaat B. Enhanced renoprotective actions of Paricalcitol and omega-3 fatty acids co-therapy against diabetic nephropathy in rat. J Adv Res 2022; 38:119-129. [PMID: 35572411 PMCID: PMC9091913 DOI: 10.1016/j.jare.2021.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 05/20/2021] [Accepted: 08/16/2021] [Indexed: 12/26/2022] Open
Abstract
Pcal and ω-3 monotherapies moderately attenuated hyperglycaemia and dyslipidaemia. Pcal and ω-3 monotherapies equally reduced renal oxidative stress and inflammation. Pcal/ω-3 co-therapy showed enhanced anti-diabetic and renoprotection effects. Co-therapy may induce boosted metabolic, anti-oxidative & anti-inflammatory actions.
Introduction Although the synthetic vitamin D analogue, Paricalcitol, and omega-3 Fatty acids (ω-3) alleviated diabetic nephropathy (DN), their combination was not previously explored. Objectives This study measured the potential ameliorative effects of single and dual therapies of Paricalcitol and/or ω-3 against DN. Methods Forty rats were assigned as follow: negative (NC) and positive (PC) controls, Paricalcitol, ω-3 and Paricalcitol + ω-3 groups. Diabetes was generated by high-fat/high-fructose diet and a single streptozotocin injection (40 mg/kg). DN was confirmed by raised fasting blood glucose (FBG), polyuria, proteinuria, and decreased urine creatinine levels. Paricalcitol intraperitoneal injections (0.25 µg/Kg/day; 5 times/week) and oral ω-3 (415 mg/kg/day; 5 times/week) started at week-9 and for eight weeks. Results The PC group showed hyperglycaemia, dyslipidaemia, abnormal renal biochemical parameters, elevated caspase-3 expression, and increased apoptosis by TUNEL technique. The mRNAs and proteins of the pathogenic molecules (TGF-β1/iNOS) and markers of tissue damage (NGAL/KIM-1) augmented substantially in the PC renal tissues relative to the NC group. The oxidative stress (MDA/H2O2/protein carbonyl groups) and pro-inflammatory (IL1β/IL6/TNF-α) markers increased, whereas the anti-inflammatory (IL10) and anti-oxidative (GSH/GPx1/GR/SOD1/CAT) declined, in the PC renal tissues. The monotherapy groups were associated with ameliorated FBG, lipid profile and renal functions, and diminished TGF-β1/iNOS/NGAL/KIM-1/Caspase-3 alongside the apoptotic index than the PC group. The oxidative stress and pro-inflammatory markers decreased, whilst the anti-oxidative and anti-inflammatory molecules escalated, in the monotherapy groups than the PC group. Although the Paricalcitol renoprotective actions were better than ω-3, all the biomarkers were abnormal than the NC group. Alternatively, the Paricalcitol + ω-3 protocol exhibited the best improvements in metabolic control, renal functions, oxidative stress, inflammation, and apoptosis. However, FBG and tissue damage were persistently higher in the co-therapy group than controls. Conclusions Both monotherapies showed modest efficacy against DN, whereas their combination displayed boosted renoprotection, possibly by enhancing renal anti-oxidant and anti-inflammatory pathways.
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Affiliation(s)
- Mohamed El-Boshy
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
- Clinical Pathology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Aiman Alsaegh
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Ahmed H. Qasem
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Ramya A. Sindi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Abdelghany H. Abdelghany
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
- Department of Anatomy, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Hossam Gadalla
- Clinical Pathology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Doha Reda
- Clinical Pathology Department, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Firas Azzeh
- Clinical Nutrition Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Shakir Idris
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Jawwad Ahmad
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
| | - Bassem Refaat
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Al Abdeyah, PO Box 7607, Makkah, Saudi Arabia
- Corresponding author at: Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Holy Makkah, PO Box 7607, Saudi Arabia.
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Tiller C, Black LJ, Ponsonby AL, Taylor B, van der Mei I, Clarke MW, Lucas RM. Vitamin D metabolites and risk of first clinical diagnosis of central nervous system demyelination. J Steroid Biochem Mol Biol 2022; 218:106060. [PMID: 35031430 DOI: 10.1016/j.jsbmb.2022.106060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 12/20/2021] [Accepted: 01/10/2022] [Indexed: 10/19/2022]
Abstract
Low 25-hydroxyvitamin D (25(OH)D) concentration is a recognised risk factor for multiple sclerosis (MS). Associations with vitamin D metabolites and vitamin D binding globulin (VDBG) have not been widely studied. We assessed the association between vitamin D metabolites (25(OH)D2, 25(OH)D3, c3-epimer 25(OH)D3, 1,25-dihydroxyvitamin D3 (1,25(OH)2D3), and 24,25-dihydroxyvitamin D3 (24,25(OH)2D3)) measured by liquid chromatography-tandem mass spectrometry assays, VDBG measured using a polyclonal immunoassay, and calculated free and bioavailable 25(OH)D, free 1,25(OH)2D3, and the 24,25(OH)2D3: total 25(OH)D and total 1,25(OH)2D: total 25(OH)D ratios with risk of a first clinical diagnosis of CNS demyelination (FCD) in an Australian case-control study (n = 196 cases, n = 241 controls, matched on age, sex and study region). Higher 25(OH)D (adjusted odds ratio (AOR) = 0.94 (95 % confidence interval (CI) 0.85-1.03) per 10 nmol/L increment) and 24,25(OH)2D3 (AOR = 0.81 (95 %CI 0.65-1.00) per 1 nmol/L increment) concentrations were associated with reduced FCD risk. Our results were compatible with no association for the other vitamin D metabolites, ratios, or VDBG with FCD risk. Thus, using standardised assays, and a comprehensive range of vitamin D metabolites, we confirmed the association of higher 25(OH)D and reduced FCD risk, and describe a similar effect for 24,25(OH)2D3; free or bioavailable 25(OH)D were not associated with FCD risk.
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Affiliation(s)
- Courtney Tiller
- National Centre for Epidemiology and Population Health, Research School of Population Health, The Australian National University, Canberra, Australia; Graduate Medicine, University of Wollongong, New South Wales, Australia
| | - Lucinda J Black
- Curtin School of Population Health, Curtin University, Perth, Australia
| | - Anne-Louise Ponsonby
- Florey Institute for Neuroscience, University of Melbourne, Melbourne, Australia
| | - Bruce Taylor
- Menzies Research Institute, University of Tasmania, Hobart, Tasmania, Australia
| | - Ingrid van der Mei
- Menzies Research Institute, University of Tasmania, Hobart, Tasmania, Australia
| | - Michael W Clarke
- Metabolomics Australia, Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, Perth, WA, 6009, Australia; School of Biomedical Sciences, Faculty of Health and Medical Sciences, The University of Western Australia, Perth, WA, 6009, Australia
| | - Robyn M Lucas
- National Centre for Epidemiology and Population Health, Research School of Population Health, The Australian National University, Canberra, Australia.
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Balcers O, Miranda U, Veilande R. Study of ergocalciferol and cholecalciferol (Vitamin D): Modeled optical properties and optical detection using absorption and Raman spectroscopy. Spectrochim Acta A Mol Biomol Spectrosc 2022; 269:120725. [PMID: 34929622 DOI: 10.1016/j.saa.2021.120725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 11/19/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
The task of assembling and calculating spectrally significant lines of Vitamin D2 and D3 is related to a wider goal of establishing if it is possible to develop non-invasive optical sensors for these substances present at concentrations on the order of tens of nmol/L. Such a non-invasive in vivo sensor would be helpful for medical considerations, among others, related to multiple sclerosis prevention, reduced risk of mortality in D3-treated acute in-patients admitted with COVID 19, systemic infection, acute respiratory tract infections, including epidemic influenza, community-acquired pneumonia at concentrations <50nmol/L(<20ng/mL), dental health (90-100nmol/L) of 25(OH) D, general health and others. Currently, to determine the concentration of these substances, it is necessary to draw a sample from a vein in ambulatory settings and analyse the sample with the gold standard of mass spectroscopy or immunoassay. In this article Vitamin D optical properties are studied by density functional theory calculations, compared to reported data, and the new calculated and measured D2 and D3 optical absorption lines are presented, as well as the calculations compared with spectral measurements of optical transmission, FTIR ATR and Raman spectra.
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Affiliation(s)
- Ojars Balcers
- Vidzeme University of Applied Science, Terbatas Street 10, Valmiera LV-4201, Latvia.
| | - Ulises Miranda
- Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Blvd.19, Riga LV-1586, Latvia
| | - Rita Veilande
- Institute of Atomic Physics and Spectroscopy, University of Latvia, Raina Blvd.19, Riga LV-1586, Latvia
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Vieira Junior WG, Centeio Cardoso RV, Fernandes Â, Ferreira ICFR, Barros L, Pardo-Giménez A, Mendel Soares DM, Stevani CV, Zied DC. Influence of strains and environmental cultivation conditions on the bioconversion of ergosterol and vitamin D 2 in the sun mushroom. J Sci Food Agric 2022; 102:1699-1706. [PMID: 34455581 DOI: 10.1002/jsfa.11510] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/20/2021] [Accepted: 08/29/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND The fungus Agaricus subrufescens is grown commercially in China, the USA, Brazil, Taiwan and Japan, among others. However, each country adopts a cultivation system that significantly influences the agronomical parameters and chemical composition of the harvested mushrooms. In this study, the influence of the cultivation process on the content of ergosterol and vitamin D2 was evaluated. RESULTS Four commercial strains of A. subrufescens (ABL 04/49, ABL CS7, ABL 18/01 and ABL 19/01) and two environmental cultivation conditions (in the field and a controlled chamber with the absence of sunlight) were used. Infield cultivation, ABL CS7 and ABL 19/01 strains presented better agronomic parameters, whereas in a protected environment ABL 19/01, ABL 04/49 and ABL 18/01 demonstrated better performance, respectively. The highest biological efficiency value (64%) was provided by ABL 19/01 strain in a controlled environment. CONCLUSION The highest content in ergosterol (990 mg kg-1 ) and vitamin D2 (36.8 mg kg-1 ) were observed in mushrooms obtained in the field from strain ABL 04/49, which presents reasonable agronomic parameters for cultivation. © 2021 Society of Chemical Industry.
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Affiliation(s)
| | | | - Ângela Fernandes
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | | | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Bragança, Portugal
| | - Arturo Pardo-Giménez
- Centro de Investigación, Experimentación y Servicios del Champiñón (CIES), Quintanar del Rey, Spain
| | - Douglas Moraes Mendel Soares
- Departamento de Química Fundamental, Instituto de Química (IQ), Universidade de São Paulo (USP), São Paulo, Brazil
| | - Cassius Vinicius Stevani
- Departamento de Química Fundamental, Instituto de Química (IQ), Universidade de São Paulo (USP), São Paulo, Brazil
| | - Diego Cunha Zied
- Faculdade de Ciências Agrárias e Tecnológicas (FCAT), Universidade Estadual Paulista, São Paulo, Brazil
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Qi JW, Huang B, Wang S, Song D, Xu J, Cui Y, Guo B. Association Between Plasma Vitamin D2 and Type 2 Diabetes Mellitus. Front Endocrinol (Lausanne) 2022; 13:897316. [PMID: 35721707 PMCID: PMC9198404 DOI: 10.3389/fendo.2022.897316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/02/2022] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE To investigate the relationship between plasma vitamin D2(VD2) and type 2 diabetes(T2DM). METHOD Data from electronic medical records of 797 inpatients treated at Sun Yat Sen Memorial Hospital, Sun Yat-sen University between June 24, 2019 and December 24, 2020 were collected, and a total of 596 patients were enrolled after screening based on inclusion and exclusion criteria. Patients were divided into diabetic and non-diabetic groups according to whether they had T2DM. The Wilcoxon rank sum test was finally selected for the analysis of differences between groups according to the distribution of patients' plasma VD2, and logistic regression models were used to find the corresponding influencing factors. RESULT Of the 596 hospitalized patients, 138 (23.15%) were diagnosed with T2DM. The Wilcoxon test showed no statistically significant difference in plasma VD2 concentrations between the T2DM and non-T2DM groups (p=0.833). After adjustment for confounders by multivariate logistic regression, there was still no significant difference in plasma VD2 concentrations between the two groups (P=0.316, OR: 1.15 (0.88,1.49)). The uncorrelated relationship between VD2 and T2DM was not found to change after incorporating 12 indicators, including demographic characteristics, laboratory indicators and complications, into the logistic regression model by 3 steps, even the OR (1.08 (0.92,1.26)) did not change in the 3 models. Similarly, the adjusted ORs agreed that there was no statistical association between VD2 and T2DM. CONCLUSION VD2 levels are similar in patients with T2DM compared to those without T2DM. Clinical caution should be exercised in giving VD2 supplementation to patients with T2DM unless other diseases requiring VD2 supplementation (e.g., rickets, osteoporosis) are present.
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Affiliation(s)
- Jing-Wan Qi
- Department of Microbiology and Biochemical Pharmacy, Pharmaceutical Sciences School of Jinzhou Medical University, Jinzhou, China
| | - Bing Huang
- Research Department, Dalian Innovation Center of Laboratory Medicine Mass Spectrometry Technology, Dalian, China
- Research Department, Clinical Mass Spectrometry Profession Technology Innovation Center of Liaoning Province, Jinzhou, China
| | - Shuang Wang
- Research Department, Dalian Innovation Center of Laboratory Medicine Mass Spectrometry Technology, Dalian, China
- Research Department, Clinical Mass Spectrometry Profession Technology Innovation Center of Liaoning Province, Jinzhou, China
| | - Dan Song
- Research Department, Dalian Innovation Center of Laboratory Medicine Mass Spectrometry Technology, Dalian, China
- Research Department, Clinical Mass Spectrometry Profession Technology Innovation Center of Liaoning Province, Jinzhou, China
| | - Jing Xu
- Research Department, Dalian Innovation Center of Laboratory Medicine Mass Spectrometry Technology, Dalian, China
- Research Department, Clinical Mass Spectrometry Profession Technology Innovation Center of Liaoning Province, Jinzhou, China
| | - Ying Cui
- Research Department, Dalian Innovation Center of Laboratory Medicine Mass Spectrometry Technology, Dalian, China
- Research Department, Clinical Mass Spectrometry Profession Technology Innovation Center of Liaoning Province, Jinzhou, China
| | - Bin Guo
- Department of Microbiology and Biochemical Pharmacy, Pharmaceutical Sciences School of Jinzhou Medical University, Jinzhou, China
- *Correspondence: Bin Guo,
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Gqamana PP, Zhang YV. High-Throughput Analysis of 25-OH-Vitamin D2 and D3 Using Multichannel Liquid Chromatography-Tandem Mass Spectrometry. Methods Mol Biol 2022; 2546:523-537. [PMID: 36127619 DOI: 10.1007/978-1-0716-2565-1_47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Liquid-chromatography tandem mass spectrometry (LC-MS/MS) has been shown to be an effective approach in the clinical analysis of 25-OH-vitamin D in patient serum. Test volumes vary among laboratories and different levels of throughput are required for different settings. LC-MS/MS assays with multiple LC channels can be beneficial for labs with the demand of large sample volume (e.g., 300 or more samples) to control costs and fulfill a reasonable turnaround time. We hereby present an assay that employs 4 LC channels (4-plex), which are coupled to the TSQ Endura triple-quadrupole (QqQ) MS instrument, for a high-throughput solution. Briefly, the pre- and postelution segments of the LC gradient are diverted to waste via solenoid valve controls, reserving the data acquisition for only the elution segment per injection per channel at a time. The multiplexing affords a manifold increase in throughput and the optimization of the duty cycle, without compromise in assay performance and precision.
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Affiliation(s)
- Putuma P Gqamana
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Y Victoria Zhang
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, USA.
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Marwaha RK, Dabas A, Puri S, Kalaivani M, Dabas V, Yadav S, Dang A, Pullakhandam R, Gupta S, Narang A. Efficacy of Daily Supplementation of Milk Fortified With Vitamin D2 for Three Months in Healthy School Children: A Randomized Placebo Controlled Trial. Indian Pediatr 2021; 58:820-825. [PMID: 34302325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To evaluate the efficacy of daily supplementation of 200 mL milk fortified with 240 IU of vitamin D2 (ergocalciferol). DESIGN Double-blind randomized controlled trial. SETTINGS School-based study in Delhi between October and December, 2019. PARTICIPANTS 235 healthy children aged 10-14 years. INTERVENTION Daily supplementation of 200 mL milk fortified with 240 IU of ergocalciferol in intervention group (n=119) and 200 mL of plain milk in control group (n =116) for 3 months. OUTCOME MEASURES Change in serum 25 hydroxy vitamin D (25(OH)D), parathyroid hormone (PTH), bone formation and resorption markers, and urinary calcium creatinine ratio (U-Ca/CrR). RESULTS The mean (SD) baseline serum 25(OH) D level in control and fortification groups was 11.9 (3.8) and 11.4 (3.6) ng/mL (P=0.23), respectively. The serum 25(OH)D levels did not increase post-intervention with the dose used for fortification, but were significantly higher in intervention group as compared to control group [10.8 (3.4) vs 6.7 (3.5) ng/mL; P<0.001]. A higher proportion of secondary hyperparathyroidism was observed post-intervention in control (39%) than in intervention group (13.3%); P<0.001. Serum carboxy-terminal telopeptide levels were similar in both groups but the serum procollagen type1 N-terminal propeptide levels were higher in the control than intervention group (P<0.007), following supplementation. CONCLUSIONS Supplementation of milk fortified with approximately 240 IU vitamin D2 for three months did not achieve sufficient serum 25(OH)D levels in Indian children with vitamin D deficiency during winter.
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Affiliation(s)
- Raman Kumar Marwaha
- Society for Endocrine Health Care of Elderly, Adolescents and Children, New Delhi. Correspondence to: Major General RK Marwaha, President, Society for Endocrine Health Care of Elderly, Adolescents and Children (SEHEAC), Flat no. 17, Gautam Apartments, Gautam Nagar, New Delhi 110 049.
| | - Aashima Dabas
- Department of Pediatrics, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi
| | - Seema Puri
- Food and Nutrition, Institute of Home Economics, University of Delhi
| | - Mani Kalaivani
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi
| | - Vineet Dabas
- Department of Orthopedics, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi
| | - Sangeeta Yadav
- Department of Pediatrics, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi
| | | | - R Pullakhandam
- Biochemistry Division, Indian Council of Medical Research, National Institute of Nutrition, Hyderabad
| | - Sushil Gupta
- Department of Endocrinology, Sanjay Gandhi Post Graduate Institute, Lucknow
| | - Archana Narang
- Department of Homeopathy, BR Sur Homeopathic college, New Delhi
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Jia R, Yang F, Yan P, Ma L, Yang L, Li L. Paricalcitol inhibits oxidative stress-induced cell senescence of the bile duct epithelium dependent on modulating Sirt1 pathway in cholestatic mice. Free Radic Biol Med 2021; 169:158-168. [PMID: 33872698 DOI: 10.1016/j.freeradbiomed.2021.04.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 03/30/2021] [Accepted: 04/13/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND Clinical studies indicate that vitamin D receptor (VDR) expression is reduced in primary biliary cirrhosis patient livers. However, the mechanism by which activated VDR effect cholestatic liver injury remains unclear. METHODS Mice were injected intraperitoneally with the VDR agonist paricalcitol or a vehicle 3 days prior to bile duct ligation (BDL) and for 5 or 28 days after surgery. The analyses of liver morphology and necrotic areas were based on H&E staining. Serum biochemical indicators of liver damage were analyzed by commercial kits. The mechanisms of paricalcitol on cholestatic liver injury were determined by Western blot analysis. RESULTS Paricalcitol ameliorated the BDL-induced liver damage in mice. Paricalcitol increased the proliferation of BECs to promote the repair of the bile duct. Paricalcitol also reduced the BDL-induced oxidative stress level in the mice. Mechanistic analysis revealed that paricalcitol decreased the number of SA-β-gal-positive cells and downregulated the expression of p53, p21 and p16 proteins which was associated with reducing oxidative stress. Additionally, paricalcitol exerted the inhibitory effect of cell senescence was through reducing DNA damage and promoting DNA repair. Interesting, we found that paricalcitol prevented the downregulation of oxidative stress-induced Sirt1 expression in the BDL mice and t-BHP-induced BECs models. Moreover, paricalcitol suppressed cell senescence through a Sirt1-dependent pathway. These results were confirmed by antioxidant ALCAR and the Sirt1 inhibitor EX-527. CONCLUSION Paricalcitol alleviated cholestatic liver injury through promoting the repair of damaged bile ducts and reducing oxidative stress-induced cell senescence of the bile duct via modulating Sirt1 pathway.
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Affiliation(s)
- Rongjun Jia
- Department of Cell Biology, School of Medicine, Taizhou University, Taizhou, PR China; Department of Cell Biology, Jinzhou Medical University, Jinzhou, PR China.
| | - Fan Yang
- Department of Cell Biology, Jinzhou Medical University, Jinzhou, PR China.
| | - Pengfei Yan
- Department of Cell Biology, Jinzhou Medical University, Jinzhou, PR China.
| | - Liman Ma
- Department of Cell Biology, School of Medicine, Taizhou University, Taizhou, PR China.
| | - Longfei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetics, The Second Hospital of Jilin University, Changchun, PR China.
| | - Lihua Li
- Department of Cell Biology, School of Medicine, Taizhou University, Taizhou, PR China.
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Hu T, Li H, Liu H, Cong L, Liu L, An Z. High throughput UHPLC-MS/MS method for the simultaneous quantification of six vitamin D metabolites: application for vitamin D determination in patients after liver or kidney transplantation. Anal Methods 2020; 12:5591-5600. [PMID: 33174880 DOI: 10.1039/d0ay01088j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Vitamin D metabolites are fat-soluble vitamins that regulate broad spectrum of physiological and pathological processes. Accurate and high-throughput methods for the detection of vitamin D metabolites are essential to elucidate body functions. In this study, a sensitive and high throughput ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) method was proposed for the accurate quantification of six vitamin D metabolites, including vitamin D2, vitamin D3, 25-hydroxyvitamin D2, 25-hydroxyvitamin D3, 1,25-dihydroxyvitamin D2, and 1,25-dihydroxyvitamin D3. Through the optimization of chromatographic and mass spectrometric conditions, only 20 μL serum or plasma could satisfy the quantification of six vitamin D metabolites. The limit of detection (LOD) was determined to be 0.02-0.05 pg mL-1. The validation method was carried out following the International Council for Harmonization (ICH) guidelines. All quantification performances, including linearity, accuracy, precision, extraction recovery and matrix effect, were investigated and were satisfactory for the accurate detection of vitamin D metabolites. A disease of the liver or kidney, the main organs for vitamin D metabolism, could lead to abnormal levels of vitamin D. Here, the established UHPLC-MS/MS method was further used for determination of vitamin D levels in plasma samples of patients after liver or kidney transplantation. Thirty-three liver transplant recipients (LTRs) and 63 kidney transplant recipients (KTRs) were included in this study. Vitamin D deficiency or insufficiency is common in KTRs and LTRs, with a prevalence of more than 99%.
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Affiliation(s)
- Ting Hu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
| | - Han Li
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
| | - Hongchuan Liu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
| | - Ling Cong
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
| | - Lihong Liu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
| | - Zhuoling An
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing, 100020, P. R. China.
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Bito T, Okumura E, Fujishima M, Watanabe F. Potential of Chlorella as a Dietary Supplement to Promote Human Health. Nutrients 2020; 12:E2524. [PMID: 32825362 PMCID: PMC7551956 DOI: 10.3390/nu12092524] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/04/2020] [Accepted: 08/17/2020] [Indexed: 12/11/2022] Open
Abstract
Chlorella is a green unicellular alga that is commercially produced and distributed worldwide as a dietary supplement. Chlorella products contain numerous nutrients and vitamins, including D and B12, that are absent in plant-derived food sources. Chlorella contains larger amounts of folate and iron than other plant-derived foods. Chlorella supplementation to mammals, including humans, has been reported to exhibit various pharmacological activities, including immunomodulatory, antioxidant, antidiabetic, antihypertensive, and antihyperlipidemic activities. Meta-analysis on the effects of Chlorella supplementation on cardiovascular risk factors have suggested that it improves total cholesterol levels, low-density lipoprotein cholesterol levels, systolic blood pressure, diastolic blood pressure, and fasting blood glucose levels but not triglycerides and high-density lipoprotein cholesterol levels. These beneficial effects of Chlorella might be due to synergism between multiple nutrient and antioxidant compounds. However, information regarding the bioactive compounds in Chlorella is limited.
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Affiliation(s)
- Tomohiro Bito
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan;
| | - Eri Okumura
- Sun Chlorella Corporation, Kyoto 600-8177, Japan; (E.O.); (M.F.)
| | - Masaki Fujishima
- Sun Chlorella Corporation, Kyoto 600-8177, Japan; (E.O.); (M.F.)
| | - Fumio Watanabe
- Department of Agricultural, Life and Environmental Sciences, Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan;
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Holick MF. The D-Sparaging of Vitamin D2: How Physiologically and Pharmacologically Relevant Is It for the Clinician? J Clin Endocrinol Metab 2020; 105:dgz290. [PMID: 31867669 DOI: 10.1210/clinem/dgz290] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 12/20/2019] [Indexed: 11/19/2022]
Affiliation(s)
- Michael F Holick
- Department of Medicine, Section of Endocrinology, Diabetes, and Nutrition, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
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Dal Bosco C, Panero S, Navarra MA, Tomai P, Curini R, Gentili A. Screening and Assessment of Low-Molecular-Weight Biomarkers of Milk from Cow and Water Buffalo: An Alternative Approach for the Rapid Identification of Adulterated Water Buffalo Mozzarellas. J Agric Food Chem 2018; 66:5410-5417. [PMID: 29746108 DOI: 10.1021/acs.jafc.8b01270] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Adulteration of Mozzarella di Bufala Campana with cow milk is a common fraud because of the high price and limited seasonal availability of water buffalo milk. To identify such adulteration, this work proposes a novel approach based on the use of species-specific, low-molecular-weight biomarkers (LMWBs). Liquid chromatography-tandem mass spectrometry screening analyses identified β-carotene, lutein, and β-cryptoxanthin as LMWBs of cow milk, while ergocalciferol was found only in water buffalo milk. Adulterated mozzarellas were prepared in the laboratory and analyzed for the four biomarkers. Combined quantification of β-carotene and ergocalciferol enabled the detection of cow milk with a sensitivity threshold of 5% (w/w). The method was further tested by analyzing a certificated water buffalo mozzarella and several commercial products. This approach is alternative to conventional proteomic and genomic methods and is advantageous for routine operations as a result of its simplicity, speed, and low cost.
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Affiliation(s)
- Chiara Dal Bosco
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
| | - Stefania Panero
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
| | - Maria Assunta Navarra
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
| | - Pierpaolo Tomai
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
| | - Roberta Curini
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
| | - Alessandra Gentili
- Department of Chemistry, Faculty of Mathematical, Physical and Natural Sciences , University of Rome "La Sapienza" , Piazzale Aldo Moro 5 , 00185 Rome , Italy
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Affiliation(s)
- Beatriz Fernandez-Fernandez
- Nephrology and Hypertension Department, Instituto Investigación Sanitaria-Fundación Jiménez Díaz and School of Medicine, Universidad Autonoma de Madrid, Madrid, Spain; Instituto Reina Sofia de Investigaciones Nefrologicas, Madrid, Spain; Red de Investigación Renal, 28040 Madrid, Spain
| | - Alberto Ortiz
- Nephrology and Hypertension Department, Instituto Investigación Sanitaria-Fundación Jiménez Díaz and School of Medicine, Universidad Autonoma de Madrid, Madrid, Spain; Instituto Reina Sofia de Investigaciones Nefrologicas, Madrid, Spain; Red de Investigación Renal, 28040 Madrid, Spain.
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Tournis S. Letter to the Editor: "Hypoparathyroidism: Less Severe Hypocalcemia With Treatment With Vitamin D2 Compared With Calcitriol". J Clin Endocrinol Metab 2017; 102:3567. [PMID: 28911157 DOI: 10.1210/jc.2017-01087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 07/11/2017] [Indexed: 11/19/2022]
Affiliation(s)
- Symeon Tournis
- Laboratory for Research of the Musculoskeletal System, "Th. Garofalidis," Medical School, University of Athens, KAT Hospital, Athens 14561, Greece
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40
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Streeten EA. Response to Letter: "Hypoparathyroidism: Less Severe Hypocalcemia With Treatment With Vitamin D2 Compared With Calcitriol". J Clin Endocrinol Metab 2017; 102:3568. [PMID: 28911162 DOI: 10.1210/jc.2017-01346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 07/11/2017] [Indexed: 02/13/2023]
Affiliation(s)
- Elizabeth A Streeten
- Division of Endocrinology, Diabetes & Nutrition, University of Maryland School of Medicine, Baltimore, Maryland 21201
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Affiliation(s)
- Roger Bouillon
- Clinical and Experimental Endocrinology, Katholieke Universiteit Leuven, B-3000 Leuven, Belgium
| | - Lieve Verlinden
- Clinical and Experimental Endocrinology, Katholieke Universiteit Leuven, B-3000 Leuven, Belgium
| | - Annemieke Verstuyf
- Clinical and Experimental Endocrinology, Katholieke Universiteit Leuven, B-3000 Leuven, Belgium
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Tsuchiya Y, Matsuo N, Cho H, Tsubouchi K, Kumagai M, Nishii Y, Nanjoh M, Yamamoto T. Vitamin D and vitamin D dependency. Contrib Nephrol 2015; 22:89-100. [PMID: 6967387 DOI: 10.1159/000385991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Administration of large doses of vitamin D2 brought about a marked increase of 25-hydroxyvitamin D in both the patients with vitamin D dependency and hypophosphatemic vitamin D-resistant rickets. During the administration of vitamin D2, increment of 1,25-dihydroxyvitamin D was marked in hypophosphatemic vitamin D-resistant rickets, but far smaller in vitamin D dependency. In the latter, however, the 1,25-dihydroxyvitamin D reached the level close to the normal adult values. 1 alpha-hydroxyvitamin D3 was found 50 approximately 100 times as effective as vitamin D2 in 2 patients with vitamin D dependency (optimum maintenance dose: 0.05 micrograms/kg/day). It was concluded that 1 alpha-hydroxylation in the renal tubules is markedly defective in the patients with vitamin D dependency, but that a large dose of vitamin D2 is able to cause a definite increase in serum concentration of 1,25-dihydroxyvitamin D resulting in improvement of the rickets.
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