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D3 vitamin growth

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https://www.readbyqxmd.com/read/28515065/neonatal-vitamin-d-status-from-archived-dried-blood-spots-and-future-risk-of-fractures-in-childhood-results-from-the-d-tect-study-a-population-based-case-cohort-study
#1
Mina Nicole Händel, Peder Frederiksen, Arieh Cohen, Cyrus Cooper, Berit Lilienthal Heitmann, Bo Abrahamsen
Background: Whether antenatal and neonatal vitamin D status have clinical relevance in fracture prevention has not been examined extensively, although observational studies indicate that fetal life may be a sensitive period in relation to bone growth and mineralization during childhood.Objective: We examined whether 25-hydroxyvitamin D3 [25(OH)D3] concentrations in stored neonatal dried blood spot (DBS) samples are associated with pediatric fracture risk. We hypothesized that in particular, low neonatal vitamin D status may be a risk factor for fracture incidence among children...
May 17, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28514663/fatty-acid-oxidation-in-zebrafish-adipose-tissue-is-promoted-by-1%C3%AE-25-oh-2d3
#2
Xuyan Peng, Guohui Shang, Wenqing Wang, Xiaowen Chen, Qiyong Lou, Gang Zhai, Dongliang Li, Zhenyu Du, Yali Ye, Xia Jin, Jiangyan He, Yi Zhang, Zhan Yin
1α,25(OH)2D3 (vitamin D3) is crucial for mineral homeostasis in mammals, but the precise effects of 1α,25(OH)2D3 in adipose tissue remain to be clarified in vivo. The initial 25-hydroxylation is catalyzed by liver microsomal cytochrome P450 2R1 (CYP2R1), which is conserved in vertebrates. To probe the physiological function(s) of 1α,25(OH)2D3 in teleosts, we generated two independent cyp2r1-deficient zebrafish lines. These mutants exhibit retarded growth and increased obesity, especially in the visceral adipose tissue (VAT)...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28513838/the-emerging-role-of-npnt-in-tissue-injury-repair-and-bone-homeostasis
#3
REVIEW
Youqiang Sun, Vincent Kuek, Heng Qiu, Jennifer Tickner, Leilei Chen, Haibin Wang, Wei He, Jiake Xu
Nephronectin (NPNT), a highly conserved extracellular matrix protein, plays an important role in regulating cell adhesion, differentiation, spreading and survival. NPNT protein belongs to epidermal growth factor (EGF)-like superfamily and exhibits several common structural determinants; including EGF-like repeat domains, MAM domain (Meprin, A5 Protein, and Receptor Protein-Tyrosine Phosphatase µ), RGD motif (Arg-Gly-Asp) and a coiled-coil domain. It regulates integrins-mediated signaling pathways via the interaction of its RGD motif with integrin α8β1...
May 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28509123/serum-calcitriol-levels-in-a-patient-with-x-linked-hypophosphatemia-complicated-by-autosomal-dominant-polycystic-kidney-disease
#4
Satomi Kajita, Takehisa Yamamoto, Naoko Tsugawa, Hirohumi Nakayama, Takuo Kubota, Toshimi Michigami, Keiichi Ozono
Serum calcitriol [1,25(OH)2D] levels are low normal in the presence of hypophosphatemia in X-linked dominant hypophosphatemic rickets (XLH) due to elevated serum fibroblast growth factor 23 (FGF23) levels. We report a peculiar finding of markedly elevated serum 1,25(OH)2D levels in a patient with XLH complicated by autosomal dominant polycystic kidney disease (ADPKD) and retinitis pigmentosa (RP). She was diagnosed with XLH, ADPKD and RP at the age of 5, 13 and 15 years, respectively. After the diagnosis of ADPKD, the 1,25(OH)2D levels increased up to 282 pg/mL treated with a pharmacological dose of 1αOHD3 (1αOHD3)...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28493385/effects-of-25-hydroxycholecalciferol-with-two-d3-vitamin-levels-on-production-and-immunity-parameters-in-broiler-chickens
#5
J R Vazquez, G V Gómez, C C López, A C Cortés, A C Díaz, S R T Fernández, E M Rosales, A G Avila
This study was performed in Ross 308 chickens aged 1-21 days and aimed to evaluate whether the addition of 25-hydroxycholecalciferol (25(OH)D3 ) to broiler chicken diets affects their growth performance and immunity. A completely random 2 × 2 factorial arrangement was used with two levels of vitamin D3 and the absence or presence of 25(OH)D3 , corresponding to four treatments based on sorghum + soya bean diets: (i) 200 IU of vitamin D3 /kg of feed (Diet 1) (NRC, ), (ii) Diet 1 + 69 μg of 25(OH)D3 /kg of feed (Diet 2), (iii) 5,000 IU of vitamin D3 /kg of feed (Diet 3) and (iv) Diet 3 + 69 μg of 25(OH)D3 /kg of feed (Diet 4)...
May 11, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28481882/vitamin-d-supplementation-and-growth-in-urban-mongol-school-children-results-from-two-randomized-clinical-trials
#6
Davaasambuu Ganmaa, Jennifer J Stuart, Nyamjav Sumberzul, Boldbaatar Ninjin, Edward Giovannucci, Ken Kleinman, Michael F Holick, Walter C Willett, Lindsay A Frazier, Janet W Rich-Edwards
BACKGROUND: Symptomatic vitamin D deficiency is associated with slowed growth in children. It is unknown whether vitamin D repletion in children with asymptomatic serum vitamin D deficiency can restore normal growth. OBJECTIVE: We tested the impact of vitamin D-supplementation on serum concentrations of 25-hydroxyvitamin D [25(OH)D] and short-term growth in Mongol children, with very low serum vitamin D levels in winter. DESIGN: We conducted two randomized, double-blind, placebo-controlled trials in urban school age children without clinical signs of rickets...
2017: PloS One
https://www.readbyqxmd.com/read/28469951/functional-foods-and-their-role-in-cancer-prevention-and-health-promotion-a-comprehensive-review
#7
REVIEW
Mohammad Aghajanpour, Mohamad Reza Nazer, Zia Obeidavi, Mohsen Akbari, Parya Ezati, Nasroallah Moradi Kor
Following cardiovascular disease, cancer is the second leading cause of death in most affluent countries. The 13.3 million new cases of cancer in 2010 were predicted to cost US$ 290 billion, but the total costs were expected to increases to US$ 458 billion in the year 2030 on basis of World Economic Forum in 2011. More than half of all cancer cases and deaths worldwide are consider being preventable. From its inception, the disease control priorities series has focused attention on delivering efficacious health interventions that can result in dramatic reductions in mortality and disability at relatively modest cost...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28465245/1-25-dihydroxyvitamin-d3-suppresses-gastric-cancer-cell-growth-through-vdr-and-mutant-p53-mediated-induction-of-p21
#8
Mingxing Li, Longfei Li, Lin Zhang, Wei Hu, Jing Shen, Zhangang Xiao, Xu Wu, Franky Leung Chan, Chi Hin Cho
AIMS: Previous studies have indicated that vitamin D deficiency correlates with cancer risk and vitamin D potentiates antitumor effects in a variety of cancers. The antitumor effect of vitamin D on gastric cancer was rarely studied. We aimed to investigate the antitumor effect of vitamin D on gastric cancer and underlying mechanisms. MAIN METHODS: We investigated the antitumor activity of the active form of vitamin D, 1α,25-dihydroxyvitamin D3 (1,25(OH)2D3) on gastric cancer cells (TMK1) and immortalized normal gastric cells (HFE145) by using MTT, colony formation and Flow cytometry assays...
April 29, 2017: Life Sciences
https://www.readbyqxmd.com/read/28459498/octreotide-is-ineffective-in-treating-tumor-induced-osteomalacia-results-of-a-short-term-therapy
#9
Diana Ovejero, Diala El-Maouche, Beth A Brillante, Azar Khosravi, Rachel I Gafni, Michael T Collins
Tumor-induced osteomalacia (TIO) is a rare paraneoplastic syndrome in which unregulated hypersecretion of fibroblast growth factor 23 (FGF23) by phosphaturic mesenchymal tumors (PMT) causes renal phosphate wasting, hypophosphatemia, and osteomalacia. The resulting mineral homeostasis abnormalities and skeletal manifestations can be reversed with surgical resection of the tumor. Unfortunately, PMTs are often difficult to locate, and medical treatment with oral phosphate and vitamin D analogues is either insufficient to manage the disease or not tolerated...
April 29, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28430709/vitamin-d3-repressed-astrocyte-activation-following-lipopolysaccharide-stimulation-in-vitro-and-in-neonatal-rats
#10
Ke-Ping Jiao, Shao-Min Li, Wen-Yan Lv, Ming-Liang Jv, Hai-Yan He
Vitamin D3 has been reported to be an immunity modulator and high levels of vitamin D3 are correlated with a decreased risk for developing diseases in the central nervous system. Astrocytes are important immune cells and contribute toward inflammation during neurological diseases. The vitamin D receptor has been reported to be expressed in astrocytes; however, the effect of vitamin D3 on astrocyte activation has not been studied. Here, we found that lipopolysaccharide stimulation in astrocytes could enhance the expression of vitamin D receptor and Cyp27B1, which encodes the enzyme for converting vitamin D3 into its active form...
April 20, 2017: Neuroreport
https://www.readbyqxmd.com/read/28398098/mapk-signaling-has-stage-dependent-osteogenic-effects-on-human-adipose-derived-stem-cells-in-vitro
#11
Eric J Tsang, Benjamin Wu, Patricia Zuk
OVERVIEW: The use of pro-osteogenic growth factors, such as BMP2, in human adipose-derived stem cell (ASC) osteogenesis is well described. Because these growth factors work via signal transduction pathways, such as the mitogen-activated protein kinase (MAPK) cascade, a study of the relationship between MAPK signaling and ASC osteogenesis was conducted. MATERIALS AND METHODS: ERK, JNK, and p38MAPK activation were measured in ASCs osteo-induced using either dexamethasone or vitamin D3 and correlated with mineralization...
April 11, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28376768/long-term-effects-of-vitamin-d-supplementation-in-vitamin-d-deficient-obese-children-participating-in-an-integrated-weight-loss-programme-a-double-blind-placebo-controlled-study-rationale-for-the-study-design
#12
Agnieszka Szlagatys-Sidorkiewicz, Michał Brzeziński, Agnieszka Jankowska, Paulina Metelska, Magdalena Słomińska-Frączek, Piotr Socha
BACKGROUND: Obesity is associated not only with an array of metabolic disorders (e.g. insulin resistance, hiperinsulinemia, impaired tolerance of glucose, lipid disorders) but also skeletal and joint abnormalities. Recently, a pleiotropic role of vitamin D has been emphasized. Obese children frequently present with vitamin D deficiency, and greater fat mass is associated with lower serum concentration of this vitamin. Although some evidence suggests that weight loss may affect vitamin D status, this issue has not been studied extensively thus far...
April 4, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28356142/towards-evidence-based-vitamin-d-supplementation-in-infants-vitamin-d-intervention-in-infants-vidi-study-design-and-methods-of-a-randomised-controlled-double-blinded-intervention-study
#13
Otto Helve, Heli Viljakainen, Elisa Holmlund-Suila, Jenni Rosendahl, Helena Hauta-Alus, Maria Enlund-Cerullo, Saara Valkama, Kati Heinonen, Katri Räikkönen, Timo Hytinantti, Outi Mäkitie, Sture Andersson
BACKGROUND: Vitamin D is important for bone mass accrual during growth. Additionally, it is considered a requirement for a multitude of processes associated with, for example, the development of immunity. Many countries apply vitamin D supplementation strategies in infants, but the guidelines are not based on scientific evidence and aim at prevention of rickets. It remains unclear whether the recommended doses are sufficient for the wide array of other effects of vitamin D. The VIDI trial performed in Finland is the first large randomised controlled study for evaluation of the effects of different vitamin D supplemental doses in infancy on: 1...
March 29, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28347378/vitamin-d-deficiency-as-a-public-health-issue-using-vitamin-d2-or-vitamin-d3-in-future-fortification-strategies
#14
Louise R Wilson, Laura Tripkovic, Kathryn H Hart, Susan A Lanham-New
The role of vitamin D in supporting the growth and maintenance of the skeleton is robust; with recent research also suggesting a beneficial link between vitamin D and other non-skeletal health outcomes, including immune function, cardiovascular health and cancer. Despite this, vitamin D deficiency remains a global public health issue, with a renewed focus in the UK following the publication of Public Health England's new Dietary Vitamin D Requirements. Natural sources of vitamin D (dietary and UVB exposure) are limited, and thus mechanisms are needed to allow individuals to achieve the new dietary recommendations...
March 28, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28339866/relative-biological-value-of-1%C3%AE-hydroxycholecalciferol-to-25-hydroxycholecalciferol-in-broiler-chicken-diets
#15
J C Han, G H Chen, J L Zhang, J G Wang, H X Qu, Y F Yan, X J Yang, Y H Cheng
This study was conducted to evaluate the relative biological value (RBV) of 1α-hydroxycholecalciferol (1α-OH-D3) to 25-hydroxycholecalciferol (25-OH-D3) in one- to 21-day-old broiler chickens fed calcium (Ca)- and phosphorus (P)-deficient diets. On the d of hatch, 450 male Ross 308 broiler chickens were weighed and randomly allotted to 9 treatments with 5 replicates of 10 birds per replicate. The basal diet contained 0.50% Ca and 0.25% non-phytate phosphorus (NPP) but was not supplemented with cholecalciferol (vitamin D3)...
March 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/28337306/thymoquinone-potentiates-chemoprotective-effect-of-vitamin-d3-against-colon-cancer-a-pre-clinical-finding
#16
Amr M Mohamed, Bassem A Refaat, Adel G El-Shemi, Osama A Kensara, Jawwad Ahmad, Shakir Idris
Prevention of colon cancer among high-risk group has been long lasting research goal. Emerging data have evidenced the anticancer activities of Vitamin D3 (Vit.D) and Thymoquinone (TQ). The aim of the current study was to evaluate the synergistic potential of Thymoquinone and Vitamin D3 in the control of colon cancer progression using azoxymethane-induced rat model. Vit.D and TQ were given individually or in combination 4 week prior to induction and continued for a total of 20 week. At the end of the study, all animals were euthanized and their resected colons were examined macroscopically and microscopically for tumor growth...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28256614/mart-10-represses-cholangiocarcinoma-cell-growth-and-high-vitamin-d-receptor-expression-indicates-better-prognosis-for-cholangiocarcinoma
#17
Kun-Chun Chiang, Ta-Sen Yeh, Cheng-Cheng Huang, Yu-Chan Chang, Horng-Heng Juang, Chi-Tung Cheng, Jong-Hwei S Pang, Jun-Te Hsu, Masashi Takano, Tai C Chen, Atsushi Kittaka, Michael Hsiao, Chun-Nan Yeh
Cholangiocarcinoma (CCA) is a devastating disease due to no effective treatments available. Since the non-mineral functions of vitamin D emerges, 1α,25(OH)2D3, the active form of vitamin D, has been applied in anti-cancer researches. In this study, we demonstrated that both the 1α,25(OH)2D3 analog, MART-10, and 1α,25(OH)2D3 possessed anti-growth effect on human CCA cells with MART-10 much more potent than 1α,25(OH)2D3. The growth inhibition of both drugs were mediated by induction of G0/G1 cell cycle arrest through upregulation of p27 and downregulation of CDK4, CDK6, and cyclin D3...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28246304/acute-adaption-to-oral-or-intravenous-phosphate-requires-parathyroid-hormone
#18
Linto Thomas, Carla Bettoni, Thomas Knöpfel, Nati Hernando, Jürg Biber, Carsten A Wagner
Phosphate (Pi) homeostasis is regulated by renal, intestinal, and endocrine mechanisms through which Pi intake stimulates parathyroid hormone (PTH) and fibroblast growth factor-23 secretion, increasing phosphaturia. Mechanisms underlying the early adaptive phase and the role of the intestine, however, remain ill defined. We investigated mineral, endocrine, and renal responses during the first 4 hours after intravenous and intragastric Pi loading in rats. Intravenous Pi loading (0.5 mmol) caused a transient rise in plasma Pi levels and creatinine clearance and an increase in phosphaturia within 10 minutes...
March 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28230890/effect-of-testosterone-replacement-therapy-on-vitamin-d-and-fgf-23-levels-in-congenital-hypogonadism
#19
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Abdullah Taslipinar, Mahmut Ilker Yilmaz, Omer Azal
INTRODUCTION: Patients with hypogonadism are at increased risk of cardiac and metabolic diseases and osteoporosis. Vitamin D and Fibroblast growth factor-23 (FGF-23) play role in the regulation of bone mineral metabolism and endothelial functions. Low vitamin D levels are reported in hypogonadism, while there is no data about the effect of testosterone replacement therapy (TRT). We investigated the effect of TRT on vitamin D and FGF-23 levels along with endothelial functions and insulin resistance in hypogonadal patients...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28216083/maternal-vitamin-d-sufficiency-and-reduced-placental-gene-expression-in-angiogenic-biomarkers-related-to-comorbidities-of-pregnancy
#20
Elizabeth V Schulz, Lori Cruze, Wei Wei, John Gehris, Carol L Wagner
INTRODUCTION: Maternal circulating 25-hydroxyvitamin D [25(OH)D] has been shown to optimize production of 1,25-dihydroxyvitamin D [1,25(OH)2D] during pregnancy at approximately 100nmoles/L, which has pronounced effects on fetal health outcomes. Additionally, associations are noted between low maternal 25(OH)D concentrations and vascular pregnancy complications, such as preeclampsia. To further elucidate the effects of vitamin D activity in pregnancy, we investigated the role of maternal 25(OH)D, the nutritional indicator of vitamin D status, in relation to placental maintenance and, specifically, expression of placental gene targets related to angiogenesis and vitamin D metabolism...
February 12, 2017: Journal of Steroid Biochemistry and Molecular Biology
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