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Vitamin D supplementation

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https://www.readbyqxmd.com/read/30553018/enhanced-remedial-effects-for-vitamin-d-3-and-calcium-co-supplementation-against-pre-existing-lead-nephrotoxicity-in-mice-the-roles-of-renal-calcium-homeostatic-molecules
#1
Riyad A Almaimani, Hussain Almasmoum, Mazen M Ghaith, Mohamed El-Boshy, Shakir Idris, Jawwad Ahmad, Abdelghany H Abdelghany, Mohammad A BaSalamah, Amani Mahbub, Bassem Refaat
BACKGROUND: Lead (Pb) is a toxic heavy metal and nephropathy is common with chronic exposure. Although vitamin D (VD) and calcium (Ca) showed promising protections, their co-administration was not previously investigated in Pb nephrotoxicity. This study measured the potential interactions and remedial effects of VD and/or Ca on established Pb nephropathy. METHODS: Fifty adult male mice were equally distributed into: negative controls (NC), positive controls (PC), Ca, VD and VDC groups...
December 12, 2018: Biochimica et biophysica acta. Molecular basis of disease
https://www.readbyqxmd.com/read/30552064/randomized-trial-of-three-doses-of-vitamin-d-to-reduce-deficiency-in-pregnant-mongolian-women
#2
D Enkhmaa, L Tanz, D Ganmaa, Sh Enkhtur, B Oyun-Erdene, J Stuart, G Chen, A Carr, E W Seely, G Fitzmaurice, Yo Buyandelger, B Sarantsetseg, G Gantsetseg, J Rich-Edwards
BACKGROUND: In winter in Mongolia, 80% of adults have 25-hydroxyvitamin D (25(OH)D) concentrations <25 nmol/l (<10 ng/ml) and 99% have <50 nmol/l (<20 ng/ml). The vitamin D dose to avert deficiency during pregnancy in this population is unknown. METHODS: We conducted a randomized, controlled, double-blind trial of daily 600, 2000, or 4000 IU vitamin D3 for pregnant women in Mongolia (Clinicaltrials.gov #NCT02395081). We examined 25(OH)D concentrations at baseline (12-16 weeks' gestation), 36-40 weeks' gestation and in umbilical cord blood, using enzyme linked fluorescent assay...
December 11, 2018: EBioMedicine
https://www.readbyqxmd.com/read/30551988/treatment-of-hypoparathyroidism
#3
REVIEW
Francesco Tecilazich, Anna Maria Formenti, Stefano Frara, Raffaele Giubbini, Andrea Giustina
The goal of the clinical management of hypoparathyroidism is to correct acute and chronic hypocalcemia. Treatment of acute hypoparathyroidism via intravenous infusion of Ca++ salts, is necessary only in symptomatic patients, or in asymptomatic patients in the setting of a rapid decrease in ionized Ca++ levels. The treatment cornerstones of chronic hypoparathyroidism are oral supplementation of calcium and/or active vitamin D, that can be associated with dietary restriction of sodium and phosphates, thiazide diuretics, and phosphate binders...
December 6, 2018: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/30551386/vitamin-d-and-liver-fibrosis-molecular-mechanisms-and-clinical-studies
#4
REVIEW
Wanvisa Udomsinprasert, Jiraphun Jittikoon
Vitamin D plays a primary role in regulation of bone metabolism and calcium homeostasis. Interestingly, emerging evidence suggests protective effects of vitamin D against liver fibrogenesis. However, the precise mechanisms of this action remain mysterious. Herein, this review aimed to summarize the role of vitamin D in liver fibrosis pathology and to update the current comprehensive knowledge regarding the clinical utility of vitamin D-based treatment in liver fibrosis. In regard to its effect on liver fibrosis, vitamin D possesses an anti-fibrotic effect on hepatic stellate cells via vitamin D receptor-mediated specific signal transduction pathways, which in turn inhibit expression of pro-fibrogenic genes...
January 2019: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30550982/correlation-of-different-cellular-assays-to-analyze-t-cell-related-cytokine-profiles-in-vitamin-d-3-supplemented-patients-with-multiple-sclerosis
#5
Linda Rolf, Joost Smolders, Jody van den Ouweland, Raymond Hupperts, Jan Damoiseaux
Different laboratory approaches have been exploited to analyze an effect of vitamin D3 supplements on T cell cytokine profiles in multiple sclerosis, with poorly reproducible results. We assessed the correlation between intra-cellular flowcytometry analysis of CD4 T cell-enriched CD3+ CD8- lymphocytes after PMA/ionomycin stimulation directly ex-vivo or after 72 h pre-stimulation with anti-CD3, and cytokine levels excreted in culture supernatants. Pre-stimulation with anti-CD3 resulted in higher proportions of cells positive for IFN-γ, IL-17 A, IL-4, IL-10 and GM-CSF (all P < 0...
December 11, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/30547302/the-role-of-vitamins-and-minerals-in-hair-loss-a-review
#6
REVIEW
Hind M Almohanna, Azhar A Ahmed, John P Tsatalis, Antonella Tosti
People commonly inquire about vitamin and mineral supplementation and diet as a means to prevent or manage dermatological diseases and, in particular, hair loss. Answering these queries is frequently challenging, given the enormous and conflicting evidence that exists on this subject. There are several reasons to suspect a role for micronutrients in non-scarring alopecia. Micronutrients are major elements in the normal hair follicle cycle, playing a role in cellular turnover, a frequent occurrence in the matrix cells in the follicle bulb that are rapidly dividing...
December 13, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/30546881/association-between-serum-25-hydroxyvitamin-d-hemoglobin-a1c-and-fasting-blood-glucose-levels-in-adults-with-diabetes-mellitus
#7
Mohammad J Alkhatatbeh, Khalid K Abdul-Razzak
In the present study, the aim was to investigate the association between serum 25-hydroxyvitamin D concentration and measures of glycemic control including hemoglobin A1c (HbA1c) and fasting blood glucose (FBG) in adult patients with diabetes mellitus (DM) from the north of Jordan. Another aim was to compare serum levels of 25-hydroxyvitamin D between patients with good glycemic control and patients with uncontrolled DM. This was a cross-sectional study that included 261 participants with DM. The concentration of 25-hydroxyvitamin D was measured using electrochemiluminescence immunoassay, HbA1c was measured using turbidimetric inhibition immunoassay and FBG was measured using the hexokinase method...
December 2018: Biomedical Reports
https://www.readbyqxmd.com/read/30545673/-updated-report-on-stopp-start-criteria-in-primary-care
#8
R Rodríguez-Blanco, M Álvarez-García, C Villalibre-Calderón, L D Piña-Ferreras, S Junquera-Alonso, J C Alonso-Lorenzo
INTRODUCTION: The aim of this study is to determine the rate of potentially inappropriate prescriptions (PIP) in people older than 64 years of age in Avilés, Asturias, Spain. MATERIALS AND METHODS: A descriptive cross-sectional study was conducted in six Health Care Centres. A sample of 400 people was selected, obtained by a random sampling proportional to the population registered in each Health Centre. A review was made of the computerised clinical records, and the STOPP-START (version 2014 with 114 items) criteria were applied to evaluate the PIP...
December 10, 2018: Semergen
https://www.readbyqxmd.com/read/30545280/omega-3-pufas-and-vitamin-d-co-supplementation-as-a-safe-effective-therapeutic-approach-for-core-symptoms-of-autism-spectrum-disorder-case-report-and-literature-review
#9
Marco Infante, Barry Sears, Angela Maria Rizzo, Daniela Mariani Cerati, Massimiliano Caprio, Camillo Ricordi, Andrea Fabbri
INTRODUCTION: Autism spectrum disorder (ASD) is a group of neurodevelopmental disorders characterized by abnormal development of cognitive, social, and communicative skills. Although ASD aetiology and pathophysiology are still unclear, various nutritional factors have been investigated as potential risk factors for ASD development, including omega-3 polyunsaturated fatty acids (PUFAs) and vitamin D deficiency. In fact, both omega-3 PUFAs and vitamin D are important for brain development and function...
December 13, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/30545134/effects-of-vitamin-d-supplementation-on-haematological-values-and-muscle-recovery-in-elite-male-traditional-rowers
#10
Juan Mielgo-Ayuso, Julio Calleja-González, Aritz Urdampilleta, Patxi León-Guereño, Alfredo Córdova, Alberto Caballero-García, Diego Fernandez-Lázaro
INTRODUCTION: Deficient levels of 25-hydroxyvitamin D (25(OH)D) (<30 ng/mL) may compromise health and athletic performance. Supplementation with oral vitamin D can favor the state of iron metabolism, and testosterone and cortisol as an indicator of muscle recovery of the athlete with a deficiency. The main aim of this study was to evaluate the influence of eight weeks of supplementation with 3000 IU/day of vitamin D on the hematological and iron metabolism profile, as well as on the analytical values of testosterone and cortisol on elite male traditional rowers...
December 12, 2018: Nutrients
https://www.readbyqxmd.com/read/30544913/evaluation-of-dietary-supplement-use-in-wheelchair-rugby-athletes
#11
Robyn F Madden, Jane Shearer, David Legg, Jill A Parnell
Wheelchair rugby is a rapidly growing Paralympic sport; however, research remains predominantly in the realms of physiology and biomechanics. Currently, there is little investigation into nutrition and dietary supplement use among wheelchair rugby athletes (WRA). The aim of this study was to assess the types of dietary supplements (DS) used, the prevalence of usage, and the reasons for use among WRA. The secondary aim was to report utilized and preferred sources of nutritional information among this population...
December 11, 2018: Nutrients
https://www.readbyqxmd.com/read/30543699/trends-in-vitamin-d-supplement-use-in-a-general-female-and-breast-cancer-population-in-ireland-a-repeated-cross-sectional-study
#12
J M Madden, M J Duffy, L Zgaga, K Bennett
BACKGROUND: Vitamin D has been linked with improved survival after breast cancer diagnosis but little is known about prescribing rates. This study investigates trends in vitamin D supplement use in both a general female and breast cancer population. METHODS: Women with a breast cancer diagnosis were identified from the National Cancer Registry of Ireland (n = 19870). Women who had any vitamin D claim between 2005 and 2011 were identified from pharmacy claims data (n = 8556)...
2018: PloS One
https://www.readbyqxmd.com/read/30541681/25-hydroxyvitamin-d-serum-levels-in-rheumatic-female-patients-in-southeast-spain-the-paradigm-of-daily-optimal-sunshine-levels-and-inadequate-vitamin-d-status
#13
Claudia Alejandra Pereda, María Betina Nishishinya, Emilio J A Roldan
BACKGROUND: Almeria is a region in southeast Spain with optimal sunlight levels, along with low pluvial and pollution rates. If exposure to sunlight is sufficient to maintain adequate levels of vitamin D (25OHD), this population should display high serum levels. OBJECTIVES: To describe 25OHD serum status in women from Almeria and evaluate the impact of long sunlight exposure along the seasons on 25OHD. METHODS: Cross-sectional study, performed in women consecutively recruited from an outpatient rheumatology clinic...
December 9, 2018: Endocrinología, Diabetes y Nutrición
https://www.readbyqxmd.com/read/30541089/magnesium-status-and-supplementation-influence-vitamin-d-status-and-metabolism-results-from-a-randomized-trial
#14
Qi Dai, Xiangzhu Zhu, JoAnn E Manson, Yiqing Song, Xingnan Li, Adrian A Franke, Rebecca B Costello, Andrea Rosanoff, Hui Nian, Lei Fan, Harvey Murff, Reid M Ness, Douglas L Seidner, Chang Yu, Martha J Shrubsole
Background: Previous in vitro and in vivo studies indicate that enzymes that synthesize and metabolize vitamin D are magnesium dependent. Recent observational studies found that magnesium intake significantly interacted with vitamin D in relation to vitamin D status and risk of mortality. According to NHANES, 79% of US adults do not meet their Recommended Dietary Allowance of magnesium. Objectives: The aim of this study was to test the hypothesis that magnesium supplementation differentially affects vitamin D metabolism dependent on baseline 25-hydroxyvitamin D [25(OH)D] concentration...
December 1, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/30541088/severe-vitamin-d-deficiency-is-a-risk-factor-for-renal-hyperfiltration
#15
Jong Hyun Jhee, Ki Heon Nam, Seong Yeong An, Min-Uk Cha, Misol Lee, Seohyun Park, Hyoungnae Kim, Hae-Ryong Yun, Youn Kyung Kee, Jung Tak Park, Seung Hyeok Han, Shin-Wook Kang, Tae-Hyun Yoo
Background: Vitamin D deficiency is associated with renal progression in chronic kidney disease. Moreover, improvement of clinical outcomes after vitamin D supplementation has been reported in the diabetic and chronic kidney disease population. Objective: We investigated the association between renal hyperfiltration (RHF) and vitamin D status in a relatively healthy population. Design: Data were retrieved from the Korean NHANES, a nationwide population-based cross-sectional study from 2008 to 2015...
December 1, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/30540776/low-25-hydroxyvitamin-d-levels-are-more-prevalent-in-canadians-of-south-asian-than-european-ancestry-inhabiting-the-national-capital-region-of-canada
#16
Reiko Nagasaka, Eleonora Swist, Kurtis Sarafin, Claude Gagnon, Isabelle Rondeau, Isabelle Massarelli, Winnie Cheung, Patrick Laffey, Stephen Pj Brooks, W M Nimal Ratnayake
The US Institute of Medicine defined serum 25-hydroxyvitamin D (25OHD) cut point values of 30 nmol/L and 40 nmol/L were used to assess the vitamin D status of South Asian and European Canadians of self-identified ancestry living in the National Capital Region of Canada. Serum 25OHD values were measured in the spring and fall of 2012 to represent status during the winter and summer months, respectively. A total of 1238 measurements were obtained from 669 participants (49% South Asian ancestry): some participants were measured only once (spring or fall)...
2018: PloS One
https://www.readbyqxmd.com/read/30540720/pre-operative-assessment-of-bone-quality-in-spine-deformity-surgery-correlation-with-clinical-practice-and-published-recommendations
#17
Tomas K Kuprys, Leah M Steinmetz, Charla R Fischer, Themistocles S Protopsaltis, Peter G Passias, Jeffrey A Goldstein, John A Bendo, Thomas J Errico, Aaron J Buckland
STUDY DESIGN: Retrospective cohort study. OBJECTIVE: The goals of this study were to (1) evaluate pre-operative bone quality assessment and intervention practice over time and (2) review the current evidence for bone evaluation in spine fusion surgery. SUMMARY OF BACKGROUND DATA: Deformity spine surgery has demonstrated improved quality of life in patients however its cost has made it controversial. If pre-operative bone quality can be optimized then potentially these treatments could be more durable however, at present, no clinical practice guidelines have been published by professional spine surgical organizations...
December 11, 2018: Spine
https://www.readbyqxmd.com/read/30540559/standards-of-care-for-hypoparathyroidism-in-adults
#18
Aliya Aziz Khan, Christian Koch, Stanislaus Hendrikus Maria Van Uum, Jean Patrice Baillargeon, Jens Bollerslev, Maria Luisa Brandi, Claudio Marcocci, Lars Rejnmark, Rene Rizzoli, M Zakarea Shrayyef, Rajesh V Thakker, Bulent O Yildiz, Bart Clarke
PURPOSE: To provide practice recommendations for the diagnosis and management of hypoparathyroidism in adults Methods: Key questions pertaining to the diagnosis and management of hypoparathyroidism were addressed following a literature review. We searched PubMed, MEDLINE, EMBASE and Cochrane databases from January 2000 to March 2018 using keywords "hypoparathyroidism, diagnosis, treatment, calcium, PTH, calcidiol, calcitriol, hydrochlorothiazide and pregnancy". Only English language papers involving humans were included...
December 1, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/30540411/screening-prevention-and-management-of-osteoporosis-among-canadian-adults
#19
Siobhan O'Donnell
INTRODUCTION: This study provides a benchmark for the nationwide use of osteoporosis screening, prevention and management strategies among Canadians aged 40 years and older (40+) using data collected one year prior to the release of Osteoporosis Canada's latest (2010) clinical practice guidelines. METHODS: Data are from the 2009 Canadian Community Health Survey-Osteoporosis Rapid Response Component. The study sample (n = 5704) was divided into four risk subgroups: (1) osteoporosis diagnosis and major fracture; (2) osteoporosis diagnosis only; (3) major fracture only; or (4) neither osteoporosis diagnosis nor major fracture...
December 2018: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/30540058/use-of-vitamin-d-and-infection-in-patients-with-chronic-kidney-disease
#20
Emanuela Cardoso da Silva, Mônica Taminato, Cassiane Dezoti da Fonseca, Graciana Maria de Moraes, Maria Cristina Barbosa Longo, Cibele Esmanhoto Grothe, Angélica Gonçalves Silva Belasco, Dulce Aparecida Barbosa
OBJECTIVE: To evaluate the effectiveness of vitamin D supplementation as protection factor against infection of patients with chronic kidney disease on conservative treatment. METHOD: Retrospective cohort study carried out between 2013 and 2016 in the Conservative Treatment Outpatient Clinics (Ambulatório de Tratamento Conservador) of the Hypertension and Kidney Hospital (Hospital do Rim e Hipertensão) of the Universidade Federal de São Paulo. Data on sociodemographic factors, comorbidity, infection episodes and use or nonuse of vitamin D supplementation for at least 6 months were collected from medical records...
2018: Revista Brasileira de Enfermagem
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