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D3 vitamin growth

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https://www.readbyqxmd.com/read/28430709/vitamin-d3-repressed-astrocyte-activation-following-lipopolysaccharide-stimulation-in-vitro-and-in-neonatal-rats
#1
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
#2
Eric J Tsang, Benjamin Wu, Patricia Zuk
PURPOSE: 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. METHODS: ERK, JNK, and p38MAPK activation were measured in ASCs osteo-induced using either dexamethasone or vitamin D3 and correlated to 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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28167299/1-25-oh-2d3-and-calcipotriol-its-hypocalcemic-analog-exert-a-long-lasting-anti-inflammatory-and-anti-proliferative-effect-in-synoviocytes-cultured-from-patients-with-rheumatoid-arthritis-and-osteoarthritis
#12
Johanna A Huhtakangas, Johanna Veijola, Sanna Turunen, Anna Karjalainen, Maarit Valkealahti, Tomi Nousiainen, Susanna Yli-Luukko, Olli Vuolteenaho, Petri Lehenkari
OBJECTIVES: We investigated the effects of 1,25-dihydroxy vitamin D3 (1,25(OH)2D3), i.e. biologically active vitamin D and calcipotriol, a vitamin D analog, on growth and secretion of inflammatory mediators in synovial stromal cells (SSC) of patients with rheumatoid arthritis (RA) or osteoarthritis (OA). METHODS: Synovial stromal cells (SSC) isolated during knee prosthesis surgery from four patients with RA and four with OA were exposed to 1,25(OH)2D3 or calcipotriol with or without stimulation of cells with IL-1β or TNF-α...
February 3, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28166978/growth-performance-parameters-bone-calcification-and-immune-response-of-in-ovo-injection-of-25-hydroxycholecalciferol-and-vitamin-k3-in-male-ross-308-broilers
#13
Tahereh Abbasi, Malak Shakeri, Mojtaba Zaghari, Hamid Kohram
This experiment aimed to evaluate the effects of in ovo injection of 25-hydroxycholecalciferol (25-OH-D3) and Vitamin K3 on growth performance, bone calcification and immune system responses in male Ross 308 broilers. Twelve treatment groups with a total number of 768 experimental hatching eggs, four replications and 16 eggs in each replication were selected to form a completely randomized design of factorial arrangement. Treatments included: (1) distilled water, (2) 0.4 μg D3, (3) 0.4 μg D3 + 2 μg K3, (4) 0...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28159673/ripk1-binds-to-vitamin-d-receptor-and-decreases-vitamin-d-induced-growth-suppression
#14
Waise Quarni, Panida Lungchukiet, Anfernee Tse, Pei Wang, Yuefeng Sun, Ravi Kasiappan, Jheng-Yu Wu, Xiaohong Zhang, Wenlong Bai
Receptor interacting protein kinase 1 (RIPK1) is an enzyme acting downstream of tumor necrosis factor alpha to control cell survival and death. RIPK1 expression has been reported to cause drug resistance in cancer cells, but so far, no published studies have investigated the role of RIPK1 in vitamin D signaling. In the present study, we investigated whether RIPK1 plays any roles in 1,25-dihydroxyvitamin D3 (1,25D3)-induced growth suppression. In our studies, RIPK1 decreased the transcriptional activity of vitamin D receptor (VDR) in luciferase reporter assays independent of its kinase activity, suggesting a negative role of RIPK1 in 1,25D3 action...
February 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28133513/effect-of-vitamin-d3-on-biosynthesis-of-estrogen-in-porcine-granulosa-cells-via-modulation-of-steroidogenic-enzymes
#15
So-Hye Hong, Jae-Eon Lee, Sung-Min An, Ye Young Shin, Dae Youn Hwang, Seung Yun Yang, Seong-Keun Cho, Beum-Soo An
Vitamin D3 is a fat-soluble secosteroid responsible for enhancing intestinal absorption of calcium, iron, and other materials. Vitamin D3 deficiency, therefore, can cause health problems such as metabolic diseases, and bone disorder. Female sex hormones including estrogen and progesterone are biosynthesized mainly in the granulosa cells of ovary. In this study, we isolated granulosa cells from porcine ovary and cultured for the experiments. In order to examine the effect of vitamin D3 on the ovarian granulosa cells, the mRNA and protein levels of genes were analyzed by real-time PCR and Western blot assay...
January 2017: Toxicological Research
https://www.readbyqxmd.com/read/28127747/crosstalk-between-sphingolipids-and-vitamin-d3-potential-role-in-the-nervous-system
#16
REVIEW
Mercedes Garcia-Gil, Federica Pierucci, Ambra Vestri, Elisabetta Meacci
Sphingolipids are both structural and bioactive compounds. In particular, ceramide and sphingosine 1-phosphate regulate cell fate, inflammation and excitability. 1-α,25-dihydroxyvitamin D3 (1,25(OH)2 D3 ) is known to play an important physiological role in growth and differentiation in a variety of cell types, including neural cells, through genomic actions mediated by its specific receptor, and non-genomic effects that result in the activation of specific signalling pathways. 1,25(OH)2 D3 and sphingolipids, in particular sphingosine 1-phosphate, share many common effectors, including calcium regulation, growth factors and inflammatory cytokines, but it is still not known whether they can act synergistically...
April 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28116596/effects-of-the-supplementation-of-vitamin-d3-on-the-growth-and-vitamin-d-metabolites-in-juvenile-siberian-sturgeon-acipenser-baerii
#17
Liansheng Wang, Hong Xu, Yang Wang, Chang'an Wang, Jinnan Li, Zhigang Zhao, Liang Luo, Xue Du, Qiyou Xu
The objective of this study was to evaluate the effects of the supplementation of vitamin D3 on the growth, vitamin D metabolites, and osteocalcin secretion in juvenile Siberian sturgeon (Acipenser baerii). A 90-day growth trial was conducted with juvenile Siberian sturgeon (initial body weight 3.47 ± 0.14 g) fed seven isonitrogenous and isoenergetic practical diets (45% CP and 13% lipid) containing 60 (basal diet), 240, 450, 880, 1670, 3300, or 1.0 × 10(5) IU/kg feed (D60~D 1.0 × 10(5)) vitamin D3...
January 23, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28115977/efficacy-of-a-novel-formulation-of-l-carnitine-creatine-and-leucine-on-lean-body-mass-and-functional-muscle-strength-in-healthy-older-adults-a-randomized-double-blind-placebo-controlled-study
#18
Malkanthi Evans, Najla Guthrie, John Pezzullo, Toran Sanli, Roger A Fielding, Aouatef Bellamine
BACKGROUND: Progressive decline in skeletal muscle mass and function are growing concerns in an aging population. Diet and physical activity are important for muscle maintenance but these requirements are not always met. This highlights the potential for nutritional supplementation. As a primary objective, we sought to assess the effect of a novel combination of L-Carnitine, creatine and leucine on muscle mass and performance in older subjects. METHOD: Forty-two healthy older adults aged 55-70 years were randomized to receive either a novel L-Carnitine (1500 mg), L-leucine (2000 mg), creatine (3000 mg), Vitamin D3 (10 μg) (L-Carnitine-combination) product (n = 14), L-Carnitine (1500 mg) (n = 14), or a placebo (n = 14) for eight weeks...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28114957/effects-of-calcitriol-1-25-dihydroxy-vitamin-d3-on-the-inflammatory-response-induced-by-h9n2-influenza-virus-infection-in-human-lung-a549-epithelial-cells-and-in-mice
#19
Boxiang Gui, Qin Chen, Chuanxia Hu, Caihui Zhu, Guimei He
BACKGROUND: H9N2 influenza viruses circulate globally and are considered to have pandemic potential. The hyper-inflammatory response elicited by these viruses is thought to contribute to disease severity. Calcitriol plays an important role in modulating the immune response to viral infections. However, its unknown whether calcitriol can attenuate the inflammatory response elicited by H9N2 influenza virus infection. METHODS: Human lung A549 epithelial cells were treated with calcitriol (100 nM) and then infected with an H9N2 influenza virus, or infected and then treated with calcitriol (30 nM)...
January 23, 2017: Virology Journal
https://www.readbyqxmd.com/read/28105733/vitamin-d-supplementation-for-sickle-cell-disease
#20
REVIEW
Htoo Htoo Kyaw Soe, Adinegara Bl Abas, Nan Nitra Than, Han Ni, Jaspal Singh, Abdul Razzak Bin Mohd Said, Ifeyinwa Osunkwo
BACKGROUND: Sickle cell disease is a genetic chronic haemolytic and pro-inflammatory disorder. The clinical manifestations of sickle cell disease result from the presence of mutations on the beta globin genes that generate an abnormal haemoglobin product (called haemoglobin S) within the red blood cell. Sickle cell disease can lead to many complications such as acute chest syndrome, stroke, acute and chronic bone complications (including painful vaso-occlusive crisis, osteomyelitis, osteonecrosis and osteoporosis)...
January 20, 2017: Cochrane Database of Systematic Reviews
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