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D3 vitamin growth

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https://www.readbyqxmd.com/read/28710602/eldecalcitol-ed-71-an-analog-of-1%C3%AE-25-oh-2d3-inhibits-the-growth-of-squamous-cell-carcinoma-scc-cells-in-vitro-and-in-vivo-by-down-regulating-expression-of-heparin-binding-protein-17-fibroblast-growth-factor-binding-protein-1-hbp17-fgfbp-1-and-fgf-2
#1
T Shintani, F Takatsu, S N Z Rosli, E Usui, A Hamada, K Sumi, Y Hayashido, S Toratani, Tetsuji Okamoto
Heparin-binding protein 17 (HBp17)/fibroblast growth factor-binding protein-1 (FGFBP-1) was first purified from medium conditioned by A431 cells for its capacity to bind to fibroblast growth factors 1 and 2 (FGF-1 and -2). Among FGF family members, FGF-2 is a potent mitogen for various cell types, including vascular endothelial cells, fibroblasts, and cancer cells such as oral squamous cell carcinoma (OSCC) cells. Besides being well known in bone metabolism, the active form of vitamin D3, i.e., 1α,25(OH)2D3 (1,25D3), was reported to have protective effects for heart disease and cancer...
July 14, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28676457/on-the-role-of-classical-and-novel-forms-of-vitamin-d-in-melanoma-progression-and-management
#2
REVIEW
Andrzej T Slominski, Anna A Brozyna, Cezary Skobowiat, Michal A Zmijewski, Tae-Kang Kim, Zorica Janjetovic, Allen S Oak, Wojciech Jozwicki, Anton M Jetten, Rebecca S Mason, Craig Elmets, We Li, Robert M Hoffman, Robert C Tuckey
Melanoma represents a significant clinical problem affecting a large segment of the population with a relatively high incidence and mortality rate. Ultraviolet radiation (UVR) is an important etiological factor in malignant transformation of melanocytes and melanoma development. UVB, while being a full carcinogen in melanomagenesis, is also necessary for the cutaneous production of vitamin D3 (D3). Calcitriol (1,25(OH)2D3) and novel CYP11A1-derived hydroxyderivatives of D3 show anti-melanoma activities and protective properties against damage induced by UVB...
July 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28672970/effect-of-vitamin-d-on-the-learning-and-memory-ability-of-fgr-rat-and-nmda-receptor-expression-in-hippocampus
#3
Lu Zong, Ping Chu, Pu Huang, Yulin Guo, Ye Lv
The aim of this study is to investigate the effect of vitamin D (VD) on the learning and memory ability of fetal growth restriction (FGR) rat and the expression of NMDA receptor in hippocampus. The FGR models of rat were established through passive smoking, and divided into two groups randomly, i.e. the control group and the observation group. Rats were fed regular diet with the addition of VD in the observation group. The serum level of 25(OH)-D3 was assayed in both groups of the rats at different time points using ELISA, and the learning and memory ability of rat aged 30 days were evaluated using Morris water maze and passive avoidance test...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28619151/effects-of-vitamin-d-and-its-metabolites-on-cell-viability-and-staphylococcus-aureus-invasion-into-bovine-mammary-epithelial-cells
#4
Yuan Yue, Lone Hymøller, Søren K Jensen, Charlotte Lauridsen, Stig Purup
Vitamin D has been found have various biological effects that may be potent in preventing bovine mastitis. Two forms of vitamin D, vitamin D2 (D2) and vitamin D3 (D3), can be hydroxylated to functional metabolites in cattle. The objectives of the present study were to investigate the potential of vitamin D compounds for controlling bovine mastitis using in vitro cell models, and to compare the differences between D2 and D3 compounds. Results showed that D2 compounds have comparable effects to their D3 analogues on inhibiting MAC-T cell viability in vitro...
May 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28610460/vitamin-d-levels-in-newborns-and-association-with-neonatal-hypocalcemia
#5
Büşra Yılmaz, Canan Aygün, Erhan Çetinoğlu
OBJECTIVE: Vitamin D has many important functions in our body. Especially in intrauterine and early infancy periods, Vitamin D plays a major role in bone development, growth, and the maturation of tissues such as lung and brain. Fetus is dependent on the mother in terms of Vitamin D and maternal Vitamin D deficiency results in a Vitamin D deficient newborn. The purpose of this study was to determine the levels of Vitamin D in newborns and to investigate the association between Vitamin D status of the baby and neonatal hypocalcemia...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28595683/cholecalciferol-d%C3%A2-versus-ergocalciferol-d%C3%A2-in-older-adults
#6
Simona Dereje, Ilan Muradov, Samira Nazzal, Timothy Nguyen
Vitamin D is a fat-soluble vitamin that is naturally found in very few food sources. It is produced endogenously from ultraviolet light from the sun striking the skin and then triggering vitamin D synthesis and activation. Vitamin D helps promote calcium absorption in the gut, maintains adequate serum calcium and phosphate levels, promotes bone growth, modulates cell growth, and has many other roles. There have been an increasing number of people, especially in older adults, with vitamin D deficiency. This is in part a result of a reduction of sun exposure as people age, increase in use of sunscreen, and other factors...
June 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28591703/vitamin-d-receptor-activation-reduces-vcap-xenograft-tumor-growth-and-counteracts-erg-activity-despite-induction-of-tmprss2-erg
#7
Justin M Roberts, Rebeca San Martin, D Badrajee Piyarathna, James G MacKrell, Guilherme V Rocha, Jeffery A Dodge, Cristian Coarfa, Venkatesh Krishnan, David R Rowley, Nancy L Weigel
Whether vitamin D is chemopreventive and/or has potential therapeutically in prostate cancer is unresolved. One confounding factor is that many prostate cancers express a TMPRSS2:ERG fusion gene whose expression is increased both by androgens and by vitamin D receptor (VDR) activation. Two challenges that limit VDR agonist use clinically are hypercalcemia and the cooperation of VDR with ERG to hyper-induce the 1α,25-dihydroxyvitamin D3 metabolizing enzyme, CYP24A1, thus reducing VDR activity. Using the VCaP TMPRSS2:ERG positive cell line as a model, we found that a nonsecosteroidal CYP24A1 resistant VDR agonist, VDRM2, substantially reduces growth of xenograft tumors without inducing hypercalcemia...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28578001/1%C3%AE-25-dihydroxyvitamin-d3-enhances-trpv6-transcription-through-p38-mapk-activation-and-gadd45-expression
#8
Michiyasu Ishizawa, Daisuke Akagi, Jumpei Yamamoto, Makoto Makishima
The active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3], acts as a ligand for the vitamin D receptor (VDR), and regulates various physiological processes, including calcium and bone metabolism, cellular growth and differentiation, immunity and cardiovascular function. A number of vitamin D derivatives have been synthesized for the treatment of cancer and inflammatory disease, but the adverse effect of hypercalcemic activity due to intestinal calcium absorption has limited wide clinical application...
May 31, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28537499/vitamin-d-improves-the-content-of-tgf-%C3%AE-and-igf-1-in-intervertebral-disc-of-diabetic-rats
#9
Ji-Long An, Wei Zhang, Jian Zhang, Li-Chao Lian, Yong Shen, Wen-Yuan Ding
OBJECTIVE: The contents of transforming growth factor-β and insulin-like growth factor-1 in disc of diabetic rats were measured at three different periods after injected with 1,25-Dihydroxyvitamin D3, and compared with that in normal rats. The significance of content changes was also discussed. METHODS: Fourty-five Sprague-Dawley (SD) rats were divided into three groups, namely the experimental group (STZ+calcitriol), control group (STZ+citrate buffer), and normal group (citrate buffer)...
January 1, 2017: Experimental Biology and Medicine
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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...
June 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28459498/octreotide-is-ineffective-in-treating-tumor-induced-osteomalacia-results-of-a-short-term-therapy
#18
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
#19
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
#20
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
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