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D3 vitamin growth

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https://www.readbyqxmd.com/read/29452375/1%C3%AE-hydroxycholecalciferol-improves-the-growth-performance-and-up-regulates-the-mrna-expression-of-vitamin-d-receptor-in-the-small-intestine-and-kidney-of-broiler-chickens
#1
J C Han, J G Wang, G H Chen, J L Zhang, N Zhang, H X Qu, Y Guo, Y F Yan, X J Yang
1α-Hydroxycholecalciferol (1α-OH-D3) is a vitamin D derivative. The objective of this study was to evaluate the effects of 1α-OH-D3 on the growth and the mRNA expression of vitamin D receptor (VDR) in the small intestine and kidney of chickens. A total of 240 males of one-day-old Ross 308 broilers was randomly assigned to 4 treatments with 5 replicates of 12 birds per replicate. Three levels of 1α-OH-D3 (1.25, 2.5, and 5 μg/kg) were added to a basal diet containing 0.50% calcium (Ca), 0.25% non-phytate phosphorus (NPP), and without supplemental cholecalciferol (vitamin D3)...
February 14, 2018: Poultry Science
https://www.readbyqxmd.com/read/29421032/producing-functional-recombinant-human-keratinocyte-growth-factor-in-pichia-pastoris-and-investigating-its-protective-role-against-irradiation
#2
Zahra Bahadori, Hamid Reza Kalhor, Seyed Javad Mowla
Keratinocyte Growth Factor (KGF) is a paracrine-acting, epithelial mitogen that plays a prominent role in the regeneration of damaged epithelial tissues. In spite of different attempts to produce recombinant human KGF in many organisms, including bacteria, mammalian cells, plant cells and insect cells; production of recombinant form suffers from lower yields and recovery relative to other recombinant proteins of similar size and properties. Due to many advantages of Pichia pastoris expression systems for producing industrial enzymes and pharmaceutical proteins, in this study P...
April 2018: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/29401596/prostaglandin-e2-suppresses-hcap18-ll-37-expression-in-human-macrophages-via-ep2-ep4-implications-for-treatment-of-mycobacterium-tuberculosis-infection
#3
Min Wan, Xiao Tang, Rokeya Sultana Rekha, S S V Jagadeeswara Rao Muvva, Susanna Brighenti, Birgitta Agerberth, Jesper Z Haeggström
Prostaglandin (PG)E2 is an arachidonic acid-derived lipid mediator that plays an important role in inflammation and immunity. In this study, we demonstrate that PGE2 suppresses basal and 1,25-dihydroxy vitamin D3 (VD3)-induced expression of hCAP18/LL-37 via E prostanoid (EP)2 and EP4 receptors. In humans, VD3 up-regulates vitamin D receptor (VDR) expression and promotes transcription of the cathelicidin hCAP18/LL-37 gene, whereas PGE2 counteracts this effect. We find that PGE2 induces the cAMP/PKA-signaling pathway and enhances the expression of the inhibitory transcription factor cAMP-responsive modulator/inducible cAMP early repressor, which prevents VDR expression and induction of hCAP18/LL-37 in human macrophages...
January 17, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29375203/antifibrogenic-effects-of-vitamin-d-derivatives-on-mouse-pancreatic-stellate-cells
#4
Peter Wallbaum, Sarah Rohde, Luise Ehlers, Falko Lange, Alexander Hohn, Carina Bergner, Sarah Marie Schwarzenböck, Bernd Joachim Krause, Robert Jaster
AIM: To study the molecular effects of three different D-vitamins, vitamin D2, vitamin D3 and calcipotriol, in pancreatic stellate cells (PSCs). METHODS: Quiescent PSCs were isolated from mouse pancreas and activated in vitro by seeding on plastic surfaces. The cells were exposed to D-vitamins as primary cultures (early-activated PSCs) and upon re-culturing (fully-activated cells). Exhibition of vitamin A-containing lipid droplets was visualized by oil-red staining...
January 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29342138/%C3%AE-klotho-is-a-non-enzymatic-molecular-scaffold-for-fgf23-hormone-signalling
#5
Gaozhi Chen, Yang Liu, Regina Goetz, Lili Fu, Seetharaman Jayaraman, Ming-Chang Hu, Orson W Moe, Guang Liang, Xiaokun Li, Moosa Mohammadi
The ageing suppressor α-klotho binds to the fibroblast growth factor receptor (FGFR). This commits FGFR to respond to FGF23, a key hormone in the regulation of mineral ion and vitamin D homeostasis. The role and mechanism of this co-receptor are unknown. Here we present the atomic structure of a 1:1:1 ternary complex that consists of the shed extracellular domain of α-klotho, the FGFR1c ligand-binding domain, and FGF23. In this complex, α-klotho simultaneously tethers FGFR1c by its D3 domain and FGF23 by its C-terminal tail, thus implementing FGF23-FGFR1c proximity and conferring stability...
January 17, 2018: Nature
https://www.readbyqxmd.com/read/29273504/fibroblast-growth-factor-21-ameliorates-vascular-calcification-by-inhibiting-osteogenic-transition-in-vitamin-d3-plus-nicotine-treated-rats
#6
Yuchen Shi, Weiwei Lu, Yuelong Hou, Kun Fu, Feng Gan, Jinghua Liu
FGF21, a special member of FGF superfamily, has been proven to have pleiotropic metabolic effects and many potential therapeutic action in various metabolic disorders. Vascular calcification (VC), a perplexing clinical issue, is a major risk factor for many cardiovascular diseases, especially for patients with some metabolic diseases. However, the role of FGF21 on VC in vivo remains unclear. Thus, in this study, we observed the effect and mechanism of FGF21 on VC induced by vitamin D3 plus nicotine (VDN) treated rats...
December 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29233620/regulation-of-extracellular-matrix-vesicles-via-rapid-responses-to-steroid-hormones-during-endochondral-bone-formation
#7
REVIEW
Niels Asmussen, Zhao Lin, Michael J McClure, Zvi Schwartz, Barbara D Boyan
Endochondral bone formation is a precise and highly ordered process whose exact regulatory framework is still being elucidated. Multiple regulatory pathways are known to be involved. In some cases, regulation impacts gene expression, resulting in changes in chondrocyte phenotypic expression and extracellular matrix synthesis. Rapid regulatory mechanisms are also involved, resulting in release of enzymes, factors and micro RNAs stored in extracellular matrisomes called matrix vesicles. Vitamin D metabolites modulate endochondral development via both genomic and rapid membrane-associated signaling pathways...
December 9, 2017: Steroids
https://www.readbyqxmd.com/read/29216499/vitamin-d3-decreases-glycolysis-and-invasiveness-and-increases-cellular-stiffness-in-breast-cancer-cells
#8
Julianna Maria Santos, Zeina Shereen Khan, Maliha Tabassum Munir, Kaiser Tarafdar, Shaikh Mizanoor Rahman, Fazle Hussain
Breast cancer is one of the major causes of death in the USA. Cancer cells, including breast, have high glycolysis rates to meet their energy demands for survival and growth. Vitamin D3 (VD3) is important for many important physiological processes such as bone mineralization, but its anticancer role is yet to be proven. We find that VD3 treatment significantly down-regulates glycolytic enzymes and genes and decreases glucose uptake - for both lowly metastatic MCF-7 and highly metastatic MDA-MB-231 (MB231) breast cancer cells...
November 2, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29203197/safety-evaluation-of-dietary-levels-of-25-hydroxyvitamin-d3-in-growing-calves
#9
Pietro Celi, Scot Williams, Mark Engstrom, Joe McGrath, James La Marta
The objective of this study was to evaluate the safety of 25-OH-D3 addition to the diet of bovine calves. The investigation was conducted as a feeding experiment for 90 days. 40 calves were allotted to four groups: T1 - control group which received 30 IU vitamin D3/kg feed, and three experimental groups, which received 25-OH-D3 in increasing dosages: T2 - 25-OH-D3 at 1.7 μg/kg, T3 - 25-OH-D3 at 5.1 μg/kg and T4 - 25-OH-D3 at 8.5 μg/kg. All calves in the four groups gained weight continually: no growth depression was observed...
December 1, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29201067/hereditary-vitamin-d-resistant-rickets-clinical-laboratory-and-genetic-characteristics-of-2-iranian-siblings
#10
Ali A Ghazi, Azita Zadeh-Vakili, Marjan Zarif Yeganeh, Shahram Alamdari, Atieh Amouzegar, Ali Akbar Khorsandi, Alireza Amirbaigloo, Fereidoun Azizi
Purpose and Methods: Hereditary vitamin D resistant rickets (HVDRR) is a rare disease that presents with signs and symptoms of rickets, alopecia, and growth retardation during the early years of life. The disease is caused by mutations in the vitamin D receptor (VDR) gene, which leads to unresponsiveness of the mutant receptor to 1-25(OH) 2 D3. The disease is transmitted as an autosomal recessive disorder and is found with equal frequency in males and females. The disease is rarely encountered and only about 100 cases are reported so far...
July 2017: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29187432/paclitaxel-carboplatin-and-1-25-d3-inhibit-proliferation-of-endometrial-cancer-cells-in-vitro
#11
Tea Kuittinen, Päivi Rovio, Synnöve Staff, Tiina Luukkaala, Anne Kallioniemi, Seija Grénman, Marita Laurila, Johanna Mäenpää
BACKGROUND/AIM: Endometrial cancer cells are known to be sensitive to carboplatin and paclitaxel. Furthermore, vitamin D (1,25-D3) has been reported to inhibit endometrial cancer cell growth both as a single agent and combined with carboplatin. However, there are no studies comparing the effect of paclitaxel and carboplatin as single agents vs. in combination in endometrial cancer cell lines. Neither has the effect of 1,25-D3 been studied with paclitaxel. The present study investigated the effect of paclitaxel, carboplatin and 1,25-D3 on the growth of endometrial cancer cells in vitro...
December 2017: Anticancer Research
https://www.readbyqxmd.com/read/29182680/differential-activity-of-2-methylene-19-nor-vitamin-d-analogs-on-growth-factor-gene-expression-in-rhino-mouse-skin-and-comparison-to-all-trans-retinoic-acid
#12
Jamie M Ahrens, James D Jones, Nirca J Nieves, Ann M Mitzey, Hector F DeLuca, Margaret Clagett-Dame
While all 2-methylene-19-nor analogs of 1α,25-dihydroxyvitamin D3 (1α,25(OH)2D3) tested produce an increase in epidermal thickness in the rhino mouse, only a subset reduce utricle size (comedolysis). All-trans retinoic acid (atRA) also causes epidermal thickening and a reduction in utricle size in the rhino mouse. We now report that 2-methylene-19-nor-(20S)-1α-hydroxybishomopregnacalciferol (2MbisP), a comedolytic analog, increases epidermal thickening more rapidly than does atRA, while both reduce utricle area at an equal rate...
2017: PloS One
https://www.readbyqxmd.com/read/29141476/comparison-of-sun-exposure-versus-vitamin-d-supplementation-for-pregnant-women-with-vitamin-d-deficiency
#13
Maryam Hajhashemi, Azadeh Khorsandi, Fedyeh Haghollahi
INTRODUCTION: Maternal vitamin D deficiency is widespread health problem which is more important in pregnant women which affects fetus growth and bone development. The aim of this study was to evaluate the effect of sun exposure versus vitamin D supplementation for pregnant women with vitamin D deficiency. MATERIALS AND METHODS: This prospective clinical trial was performed on 87 pregnant women with vitamin D deficiency. Group A was treated with vitamin D 4000 IU per day for 10 weeks, while group B was recommended for sun exposure for 30 minutes daily (30% body surface area) for 10 weeks in summer and between 10 am-4 pm in direct sunlight...
November 15, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29112142/igfbp-3-interacts-with-the-vitamin-d-receptor-in-insulin-signaling-associated-with-obesity-in-visceral-adipose-tissue
#14
Inmaculada Moreno-Santos, Daniel Castellano-Castillo, María Fernanda Lara, Jose Carlos Fernandez-Garcia, Francisco Jose Tinahones, Manuel Macias-Gonzalez
Adipose tissue has traditionally only been considered as an energy storage organ. Nevertheless, the importance of this tissue in systemic physiology and, especially, in systemic inflammation has been highlighted in recent years. Adipose tissue expresses proteins related to vitamin D (VD) metabolism, and it has been proposed that it can act as a VD storage tissue. The active form of VD, 1,25-dihydroxyvitamin D3 (1,25(OH)₂D₃), is able to modify adipocyte and adipose tissue physiology via the VD receptor (VDR), decreasing the expression of pro-inflammatory cytokines in adipose tissue...
November 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29096022/current-recommended-vitamin-d-prenatal-supplementation-and-fetal-growth-results-from-china-anhui-birth-cohort-study
#15
Rui-Xue Tao, Deng-Hon Meng, Jing-Jing Li, Shi-Lu Tong, Jia-Hu Hao, Kun Huang, Fang-Biao Tao, Peng Zhu
Context: Maternal vitamin D insufficiency have been associated with fetal growth restriction. However, the effect ofmaternal vitamin D supplementation on fetal growth has not been confirmed. Objective: To assess the effect of maternal vitamin D supplementation recommended byIOMduring pregnancy on the neonatal vitamin D status and the risk of small for gestational age (SGA). Design and Participants: As part of the China-Anhui Birth Cohort study, maternal sociodemographic characteristics, food intake, lifestyle, information of vitamin D supplementation and birth outcomes were prospectively collected...
October 31, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29075077/bone-histo-morphology-in-chronic-kidney-disease-mineral-bone-disorder
#16
Khuraijam Bembem, Tejinder Singh, Narinder Pal Singh, Alpana Saxena, Shyama Lata Jain
Chronic Kidney Disease-Mineral Bone Disorder(CKD-MBD) is a systemic disorder of the mineral and bone metabolism seen in patients with Chronic Kidney Disease(CKD). It is manifested by either one or a combination of the following: (a) Abnormalities of calcium, phosphorus, PTH, or vitamin D metabolism. (b) Abnormalities in bone turnover, mineralization, volume, linear growth, or strength. (c) Vascular or other soft- tissue calcification. Renal osteodystrophy measures the skeletal component of CKD-MBD. To study the histomorphology of bone marrow biopsy in patients with CKD-MBD and correlate the histological features of bone biopsy with the clinicobiochemical parameters...
December 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29074843/a-quantitative-point-of-need-assay-for-the-assessment-of-vitamin-d3-deficiency
#17
S Vemulapati, E Rey, D O'Dell, S Mehta, D Erickson
Vitamin D is necessary for the healthy growth and development of bone and muscle. Vitamin D deficiency, which is present in 42% of the US population, is often undiagnosed as symptoms may not manifest for several years and long-term deficiency has been linked to osteoporosis, diabetes and cancer. Currently the majority of vitamin D testing is performed in large-scale commercial laboratories which have high operational costs and long times-to-result. Development of a low-cost point-of-need assay could be transformative to deficiency analysis in limited-resource settings...
October 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29074825/-update-on-recent-progress-in-vitamin-d-research-vitamin-d-receptor-and-the-nuclear-receptor-superfamily
#18
Makoto Makishima
The vitamin D receptor(VDR)is a ligand-dependent transcription factor of the nuclear receptor superfamily. VDR belongs to the NR1I subfamily along with other nuclear receptors involved in xenobiotic metabolism, such as pregnane X receptor. The oxysterol receptors liver X receptors α/β and the bile acid receptor farnesoid X receptor belong to the NR1H subfamily, which are closely related to the NR1I subfamily. NR1I and NR1H nuclear receptors form heterodimers with retinoid X receptor. The active form of vitamin D, 1α,25-dihydroxyvitamin D3[1,25(OH)2D3], acts as a physiological VDR ligand, and regulates various physiological processes, including calcium and bone metabolism, cellular growth and differentiation, immunity, and cardiovascular function...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/29072386/-genetic-disorders-of-renal-phosphate-handling
#19
REVIEW
Daniella Magen
Hereditary disorders of renal phosphate handling comprise a diverse group of genetic diseases, usually characterized by excessive urinary phosphate wasting and a negative phosphate balance. In the minority of cases, perturbations of renal phosphate handling are associated with excessive urinary phosphate reabsorption, leading to pathological hyperphosphatemia. Inorganic phosphate is an essential mineral in the human body, playing a crucial role in cellular metabolism and skeletal mineralization. Whole body phosphate balance is maintained by a highly controlled equilibrium between intestinal uptake, skeletal deposition and renal excretion...
October 2017: Harefuah
https://www.readbyqxmd.com/read/29061804/1%C3%AE-25-oh-2d3-analog-mart-10-inhibits-neuroendocrine-tumor-cell-metastasis-after-vegf-a-stimulation
#20
Kun-Chun Chiang, Chun-Nan Yeh, Jong-Hwei S Pang, Jun-Te Hsu, Ta-Sen Yeh, Li-Wei Chen, Sheng-Fong Kuo, Masashi Takano, Tai C Chen, Atsushi Kittaka, Po-Jen Hsieh, Horng-Heng Juang
AIMS: Pancreatic neuroendocrine tumors (PanNETs) are usually diagnosed in an advanced stage. Most patients with PanNETs die of metastasis. Vascular endothelial growth factor-A (VEGF-A) is a strong stimulator of angiogenesis and tumor metastasis. We aimed to investigate the effect of MART-10 [19-nor-2α-(3-hydroxypropyl)-1α,25(OH)2D3], a 1α,25-dihydroxy-vitamin D3 (1α,25(OH)2D3) analog, on PanNET cell metastasis after VEGF-A stimulation. MATERIALS AND METHODS: Migration and invasion assays, western blot, and immunofluorescent staining were applied in this study...
November 2017: Anticancer Research
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