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Cholecalciferol

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https://www.readbyqxmd.com/read/29331722/effect-of-vitamin-d-supplementation-on-serum-sclerostin-levels-in-chronic-kidney-disease
#1
REVIEW
Ashok Kumar Yadav, Vivek Kumar, Debasish Banerjee, Krishan Lal Gupta, Vivekanand Jha
Vitamin D deficiency, cardiovascular disease and abnormal bone mineral metabolism are common in chronic kidney disease (CKD). Abnormal bone mineral metabolism has been linked to vascular calcification in CKD. Sclerostin has emerged as an important messenger in cross talk between bone-vascular axis. We analyzed sclerostin in subjects who participated in the randomized, double blind, placebo controlled trial investigating the effect of cholecalciferol supplementation on vascular function in non-diabetic CKD stage G3-4 and vitamin D ≤20ng/ml [CTRI/2013/05/003648]...
January 10, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29330997/comparison-of-different-formulations-of-vitamin-d
#2
Hafiz Muhammad Fahan Rashid, Uneeba Syed, Zaheer Ahmad, Kbaa Khalil Chauhdary, Usman Musharraf, Suresh Kumar
BACKGROUND: Vitamin D Deficiency (VDD) is responsible for a wide spectrum of clinical diseases and vitamin D deficiency prevalence is frightening in most parts of the world including Pakistan. Therefore, supplementations of vitamin D are used in the population at high risk for the prevention and the treatment of vitamin D deficiency. Vitamin D supplementation comes in various formulations both oral and intramuscular. Cholecalciferol is the most commonly used preparation which is given through these routes of administration...
October 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29309832/vascular-function-and-cholecalciferol-supplementation-in-ckd-a-self-controlled-case-series
#3
Vivek Kumar, Ashok Kumar Yadav, Manphool Singhal, Vinod Kumar, Anupam Lal, Debasish Banerjee, Krishan Lal Gupta, Vivekanand Jha
Vitamin D deficiency is common and associated with mortality in chronic kidney disease (CKD) patients. Cardiovascular disease (CVD) is the commonest cause of mortality in CKD patients. In a randomized, double blind, placebo controlled trial, we have recently reported favorable effects of vitamin D supplementation on vascular & endothelial function and inflammatory biomarkers in vitamin D deficient patients with non-diabetic stage 3-4 CKD (J Am Soc Nephrol 28: 3100-3108, 2017). Subjects in the placebo group who had still not received vitamin D after completion of the trial received two oral doses 300000 IU of oral cholecalciferol at 8 weeks interval followed by flow mediated dilatation (FMD), pulse wave velocity (PWV), circulating endothelial and inflammatory markers (E-Selectin, vWF, hsCRP and IL-6), 1,25 (OH)2D, iPTH and iFGF-23 assessment at 16 weeks...
January 5, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29297816/effects-of-a-light-emitting-diode-on-the-production-of-cholecalciferol-and-associated-blood-parameters-in-the-bearded-dragon-pogona-vitticeps
#4
Lara Cusack, Sam Rivera, Brad Lock, Daniel Benboe, David Brothers, Stephen Divers
The importance of vitamin D3 has been documented in multiple reptile species, with deficiencies resulting in alterations in calcium homeostasis, including nutritional secondary hyperparathyroidism. Though vitamin D3 can be obtained directly from dietary sources or from photobiosynthetic production, species variability in diet and behavior makes exposure to ultraviolet B (UVB) radiation an essential requirement for some diurnal species. The effect of different bulbs to promote synthesis of cholecalciferol (vitamin D3) in the bearded dragon ( Pogona vitticeps) was evaluated...
December 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29274983/effects-of-prepartum-dietary-cation-anion-difference-and-source-of-vitamin-d-in-dairy-cows-health-and-reproductive-responses
#5
N Martinez, R M Rodney, E Block, L L Hernandez, C D Nelson, I J Lean, J E P Santos
The objectives of the experiment were to evaluate the effects of feeding diets with distinct dietary cation-anion difference (DCAD) levels and supplemented with 2 sources of vitamin D during the prepartum transition period on postpartum health and reproduction in dairy cows. The hypotheses were that feeding acidogenic diets prepartum would reduce the risk of hypocalcemia and other diseases, and the benefits of a negative DCAD treatment on health would be potentiated by supplementing calcidiol compared with cholecalciferol...
December 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29274979/effects-of-prepartum-dietary-cation-anion-difference-and-source-of-vitamin-d-in-dairy-cows-vitamin-d-mineral-and-bone-metabolism
#6
R M Rodney, N Martinez, E Block, L L Hernandez, P Celi, C D Nelson, J E P Santos, I J Lean
Pregnant Holstein cows, 28 nulliparous and 51 parous, were blocked by parity and milk yield and randomly allocated to receive diets that differed in dietary cation-anion difference (DCAD), +130 or -130 mEq/kg, and supplemented with either calcidiol or cholecalciferol at 3 mg/11 kg of dry matter from 255 d of gestation until parturition. Blood was sampled thrice weekly prepartum, and on d 0, 1, 2, 3, 6, 9, 12, 15, 18, 21, 24, 27, and 30 postpartum to evaluate effects of the diets on vitamin D, mineral and bone metabolism, and acid-base status...
December 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29274965/effects-of-prepartum-dietary-cation-anion-difference-and-source-of-vitamin-d-in-dairy-cows-lactation-performance-and-energy-metabolism
#7
N Martinez, R M Rodney, E Block, L L Hernandez, C D Nelson, I J Lean, J E P Santos
The objectives of this experiment were to evaluate the effects of feeding diets with 2 dietary cation-anion difference (DCAD) levels and supplemented with either cholecalciferol (CH) or calcidiol (CA) during late gestation on lactation performance and energetic metabolism in dairy cows. The hypothesis was that combining a prepartum acidogenic diet with calcidiol supplementation would benefit peripartum Ca metabolism and, thus, improve energy metabolism and lactation performance compared with cows fed an alkalogenic diet or cholecalciferol...
December 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29247783/sex-specific-expression-of-apolipoprotein-levels-following-replenishment-of-vitamin-d
#8
REVIEW
Nasser M Al-Daghri, Kaiser Wani, Shaun Sabico, Spiro D Garbis, George P Chrousos, Osama E Amer, Mohammed Ghouse Ahmed Ansari, Yousef Al-Saleh, Naji J Aljohani, Omar S Al-Attas, Majed S Alokail
Numerous studies have been done to establish the relationship between vitamin D and lipids, yet a definitive causal link is not found. This interventional study aims to evaluate and compare levels of apolipoproteins among vitamin D deficient subjects at baseline and after they achieved full vitamin D status correction.120 Saudi adults with vitamin D deficiency [25(OH)D < 50nmol/l] were recruited and given 50,000IU cholecalciferol weekly for first 2 months, then twice a month for next 2 months, followed by daily 1000IU until month 6...
December 13, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29243851/alterations-in-gene-expression-in-vitamin-d-deficiency-down-regulation-of-liver-cyp7a1-and-renal-oat3-in-mice
#9
Holly P Quach, Keumhan Noh, Stacie Y Hoi, Adrie Bruinsma, Geny M M Groothuis, Albert P Li, Edwin C Y Chow, K Sandy Pang
The vitamin D-deficient model, established in C57BL/6 mouse after 8-week feeding of vitamin D-deficient diets in absence or presence of added calcium, was found associated with elevated levels of plasma parathyroid hormone (PTH) and plasma and liver cholesterol, and reduction in cholesterol 7α-hydroxylase (Cyp7a1, rate-limiting enzyme for cholesterol metabolism) and renal Oat3 mRNA/protein expression levels. There was, however, no change in plasma calcium and phosphate levels. Appraisal of the liver revealed up-regulation of mRNA expressions of the small heterodimer partner (Shp) and attenuation of Cyp7a1, which contributed to hypercholesterolemia in vitamin D-deficiency...
December 15, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/29241323/serum-25-hydroxyvitamin-d-concentrations-and-selected-diet-components-in-postmenopausal-women
#10
Anna Huta-Osiecka, Zbigniew Kasprzak, Krystian Wochna, Alicja Nowak
BACKGROUND: Nutrition and lifestyle factors play an important role in the development and maintenance of peak bone mass and the prevention of bone degradation. The aim of the present study was to assess 25-hydroxy- cholecalciferol [25(OH)D] serum concentration in postmenopausal women during the winter period and the supply of selected components in their diet. METHODS: The study was conducted on a group of 35 women aged 54–77, using a question- naire, including a 24-hour recall related to a subject’s nutrient consumption...
October 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/29234503/study-protocol-for-a-phase-ii-dose-evaluation-randomized-controlled-trial-of-cholecalciferol-in-critically-ill-children-with-vitamin-d-deficiency-vitdal-picu-study
#11
Dayre McNally, Karin Amrein, Katharine O'Hearn, Dean Fergusson, Pavel Geier, Matt Henderson, Ali Khamessan, Margaret L Lawson, Lauralyn McIntyre, Stephanie Redpath, Hope A Weiler, Kusum Menon
Background: Clinical research has recently demonstrated that vitamin D deficiency (VDD) is highly prevalent in the pediatric intensive care unit (PICU) and associated with worse clinical course. Multiple adult ICU trials have suggested that optimization of vitamin D status through high-dose supplementation may reduce mortality and improve other clinically relevant outcomes; however, there have been no trials of rapid normalization in the PICU setting. The objective of this study is to evaluate the safety and efficacy of an enteral weight-based cholecalciferol loading dose regimen in critically ill children with VDD...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/29193074/effects-of-1%C3%AE-25-dihydroxyvitamin-d3-on-pro-inflammatory-cytokines-of-palmitic-acid-treated-thp-1-cells
#12
Annette d'Arqom, Voravich Luangwedchakarn, Pinklow Umrod, Patimaporn Wongprompitak, Wiwit Tantibhedyangkul
The level of saturated fatty acids, such as palmitic acid (PA), correlates with chronic inflammation in obese and metabolic syndrome patients. However, low level of vitamin D3 is observed in those conditions. The aim of this study is to investigate effects of 1α,25(OH)2 D3 on PA-treated THP-1 cells. Using quantitative real-time polymerase chain reaction, we measure mRNA expression of pro-inflammatory cytokines: TNF-α, Interleukin (IL)-1β, IL-6, and chemokine IL-8 under PA and 1α,25(OH)2 D3 influence. PA, at all concentrations (25-100 μM), enhanced LPS stimulatory effect on those mRNA expression compared to LPS-treated and -untreated cells...
November 28, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29188059/efficacy-of-high-dose-vitamin-d-supplementation-in-improving-serum-25-hydroxyvitamin-d-among-laboratory-personnel-working-at-the-nepal-national-center-for-rheumatic-diseases
#13
Mohan Giri, Bibhuti Upreti, Rakshya Joshi, Jayanti Chamling Rai, Binit Vaidya
Vitamin D deficiency is a highly prevalent condition worldwide. However, few studies have been conducted to examine the vitamin D status of laboratory personnel and the correlation between vitamin D deficiency and working conditions. The aim of the present study was to assess changes in serum 25-hydroxyvitamin D [25(OH)D] concentration with a weekly dose of oral cholecalciferol (60,000 IU) for two months. The prospective, open-label, interventional study was conducted from January 2016 to March 2016 at the National Centre for Rheumatic Diseases, Kathmandu, Nepal...
December 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29186386/gene-expression-pattern-in-response-to-cholecalciferol-supplementation-highlights-cubilin-as-a-major-protein-of-25-oh-d-uptake-in-adipocytes-and-male-mice-white-adipose-tissue
#14
Lauriane Bonnet, Esma Karkeni, Charlène Couturier, Julien Astier, Julie Dalifard, Catherine Defoort, Ljubica Svilar, Jean-Charles Martin, Franck Tourniaire, Jean-François Landrier
It is well established that the active form of vitamin D, i.e. 1,25(OH)2D, regulates the expression of genes involved in its own metabolism and transport in the kidney, and possibly in the liver. However, little is known about the transcriptional impact of cholecalciferol supplementation on white adipose tissue (WAT) and adipocytes, which are a major site of vitamin D and 25(OH)D storage in the organism. To fill this gap, we investigated the impact of cholecalciferol supplementation in WAT via a panel of genes coding for enzymes and proteins involved in vitamin D metabolism and uptake...
November 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/29173203/25-oh-d3-enriched-or-fortified-foods-are-more-efficient-at-tackling-inadequate-vitamin-d-status-than-vitamin-d3
#15
Jing Guo, Julie A Lovegrove, D Ian Givens
The ability to synthesise sufficient vitamin D through sunlight in human subjects can be limited. Thus, diet has become an important contributor to vitamin D intake and status; however, there are only a few foods (e.g. egg yolk, oily fish) naturally rich in vitamin D. Therefore, vitamin D-enriched foods via supplementing the animals' diet with vitamin D or vitamin D fortification of foods have been proposed as strategies to increase vitamin D intake. Evidence that cholecalciferol (vitamin D3) and calcifediol (25(OH)D3) content of eggs, fish and milk increased in response to vitamin D3 supplementation of hens, fish or cows' diets was identified when vitamin D-enrichment studies were reviewed...
November 27, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29156056/high-doses-of-cholecalciferol-alleviate-the-progression-of-hyperparathyroidism-in-patients-with-ckd-stages-3-4-results-of-a-12-week-double-blind-randomized-controlled-study
#16
Per-Anton Westerberg, Gunnar Sterner, Östen Ljunggren, Elin Isaksson, Fjölnir Elvarson, Hamid Dezfoolian, Torbjörn Linde
Background: Calcidiol insufficiency may accelerate the development of secondary hyperparathyroidism (SHPT). We tested the effect of a substantial increase in calcidiol on mineral metabolism in patients with chronic kidney disease (CKD). Methods: Ninety-five patients with CKD Stages 3-4, parathyroid hormone (PTH) above 6.8 pmol/L and calcidiol below 75 nmol/L were randomized to receive either cholecalciferol 8000 IU/day or placebo for 12 weeks. The primary endpoint was difference in the mean change in iPTH after 12 weeks...
May 30, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29152675/a-randomized-double-blind-placebo-controlled-trial-of-vitamin-d-supplementation-in-juvenile-onset-systemic-lupus-erythematosus-positive-effect-on-trabecular-microarchitecture-using-hr-pqct
#17
G L Lima, J A Paupitz, N E Aikawa, J C Alvarenga, R M Rodrigues Pereira
In this randomized double-blind placebo-controlled 24-week trial, cholecalciferol supplementation at 50,000 IU/week effectively improved bone microarchitecture parameters in juvenile-onset systemic lupus erythematosus (JoSLE) patients, as assessed by high-resolution peripheral quantitative computed tomography (HR-pQCT) at tibia site. An increase in the trabecular number and a decrease in the trabecular separation were observed, suggesting that vitamin D supplementation may be recommended for JoSLE patients with its deficiency...
November 19, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29145536/the-effects-of-vitamin-d-supplementation-in-newly-diagnosed-type-1-diabetes-patients-systematic-review-of-randomized-controlled-trials
#18
Elina Gregoriou, Ioannis Mamais, Irene Tzanetakou, Giagkos Lavranos, Stavri Chrysostomou
AIM: The aim of this study was to examine the effects of vitamin D supplementation in patients newly diagnosed with type 1 diabetes (T1D) assessed by insulin needs and changes in glycemic indices, as evidenced by randomized controlled trials (RCTs). METHODS: A total of 7 RCTs were retrieved from PubMed/Medline and EBSCO databases by MeSH term search, and were reviewed systematically. The RCTs included examined the effects of alphacalcidole (n = 2), cholecalciferol (n = 2), and calcitriol (n = 3) supplementation on changes in daily insulin dose (DID), fasting Cpeptide (FCP), stimulated C-peptide (SCP), and HbA1c...
July 2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/29126319/effects-of-vitamin-d-supplementation-on-semen-quality-reproductive-hormones-and-live-birth-rate-a-randomized-clinical-trial
#19
Martin Blomberg Jensen, Jacob Gerner Lawaetz, Jørgen Holm Petersen, Anders Juul, Niels Jørgensen
Context: Animal models and cross-sectional cohort studies have suggested a beneficial role for vitamin D in male reproduction. Objective: Determine the effect of vitamin D and calcium supplementation on semen quality in infertile men with serum 25-hydroxyvitamin-D (25OHD)≤ 50 nmol/l. Design: A single centre, triple-blinded, randomized clinical trial. Participants: 1427 infertile men were screened to include 330. 1002 men did not meet inclusion criteria and 95 did not wish to participate...
November 3, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29123173/effect-of-vitamin-d-supplementation-on-inflammation-and-nuclear-factor-kappa-b-activity-in-overweight-obese-adults-a-randomized-placebo-controlled-trial
#20
Aya Mousa, Negar Naderpoor, Josphin Johnson, Karly Sourris, Maximilian P J de Courten, Kirsty Wilson, Robert Scragg, Magdalena Plebanski, Barbora de Courten
In-vitro studies suggest that vitamin D reduces inflammation by inhibiting nuclear factor kappa-B (NFκB) activity. Yet, no trials have examined the effects of vitamin D supplementation on NFκB activity in-vivo in humans. We conducted a double-blind randomized trial (RCT) examining effects of vitamin D supplementation on inflammatory markers and NFκB activity in peripheral blood mononuclear cells (PBMCs). Sixty-five overweight/obese, vitamin D-deficient (25-hydroxyvitamin D [25(OH)D] ≤ 50 nmol/L) adults were randomized to a single 100,000 IU bolus followed by 4,000 IU daily cholecalciferol or matching placebo for 16 weeks...
November 9, 2017: Scientific Reports
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