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Vit D

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https://www.readbyqxmd.com/read/29751936/effect-of-vitamin-d-on-the-variability-of-blood-pressure-in-premenopausal-and-menopausal-hypertensive-women-in-the-area-of-blida-algeria
#1
A Bachir Cherif, M Temmar, S Bennouar, A Bouamra, A Taleb, A Bouraghda, M T Bouafia
OBJECTIVE: To evaluate the effect of 25 (OH) vitamin D supplementation on blood pressure (BP) variability in hypertensive women in the pre-menopausal and post-menopausal periods. MATERIALS AND METHODS: 881 hypertensive women prospectively followed for an interventional study between January 2016 and September 2017, in specialized consultation at the department of internal medicine at the Blida University Hospital (Algeria). Four hundred and thiry nine premenopausal women (group I) and 442 menopausal women (group II)...
May 8, 2018: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29730834/vitamin-d-supplementation-reverses-dna-damage-and-telomeres-shortening-caused-by-ovariectomy-in-hippocampus-of-wistar-rats
#2
Cassiana Siebert, Tiago Marcon Dos Santos, Carolina Gessinger Bertó, Mariana Migliorini Parisi, Ritiéle Pinto Coelho, Vanusa Manfredini, Florencia M Barbé-Tuana, Angela T S Wyse
The aim of this study was to investigate the effect of ovariectomy (OVX), a surgical model of menopause, and/or vitamin D (VIT D) supplementation on oxidative status, DNA damage, and telomere length in hippocampus of rats at two ages. Ninety-day-old (adult) or 180-day-old (older) female Wistar rats were divided into four groups: SHAM, OVX, VIT D, and OVX + VIT D. Thirty days after OVX, rats were supplemented with VIT D (500 IU/kg) by gavage, for a period of 30 days. Results showed that OVX altered antioxidant enzymes, increasing the activities of catalase in adult rats and superoxide dismutase in older rats...
May 5, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29715698/antenatal-vitamin-d-preserves-placental-vascular-and-fetal-growth-in-experimental-chorioamnionitis-due-to-intra-amniotic-endotoxin-exposure
#3
Michael W Cookson, Sharon L Ryan, Gregory J Seedorf, R Blair Dodson, Steve H Abman, Erica W Mandell
BACKGROUND:  Chorioamnionitis (CA) is associated with a high risk for the development of bronchopulmonary dysplasia (BPD) after preterm birth, but mechanisms that increase susceptibility for BPD and strategies to prevent BPD are uncertain. As a model of CA, antenatal intra-amniotic (IA) endotoxin (ETX) exposure alters placental structure, causes fetal growth restriction, increases perinatal mortality, and causes sustained cardiorespiratory abnormalities throughout infancy. Vitamin D (Vit D) has been shown to have both anti-inflammatory and proangiogenic properties...
May 1, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29715453/role-of-wnt4-%C3%AE-catenin-ang-ii-tgf%C3%AE-ace2-nf-%C3%AE%C2%BAb-and-il-18-in-attenuating-renal-ischemia-reperfusion-induced-injury-in-rats-treated-with-vit-d-and-pioglitazone
#4
Rabab M Ali, Muhammad Y Al-Shorbagy, Maged W Helmy, Hanan S El-Abhar
Renal ischemia-reperfusion injury (I/RI) remains a critical clinical situation. Several evidence revealed the potential reno-protective effects of Vitamin D and/or pioglitazone, on renal I/RI. This study addresses the possible involvement of the Wnt4/β-catenin signaling, p-S536NF-κBp65, PPARγ, Ang II/TGF-β, and ACE2 as potential effectors to vitamin D and pioglitazone-mediated renoprotective effects. Two sets of Sprague-Dawley rats (n=30 rat each), were randomized into sham, I/R, Vit D "alfacalcidol" (5ng/kg/day), pioglitazone (5mg/kg/day), and Vit D + pioglitazone groups...
April 28, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29684027/chronic-calcitriol-supplementation-improves-the-inflammatory-profiles-of-circulating-monocytes-and-the-associated-intestinal-adipose-tissue-alteration-in-a-diet-induced-steatohepatitis-rat-model
#5
Yen-Bo Su, Tzu-Hao Li, Chia-Chang Huang, Hung-Cheng Tsai, Shiang-Fen Huang, Yun-Cheng Hsieh, Ying-Ying Yang, Yi-Hsiang Huang, Ming-Chih Hou, Han-Chieh Lin
Vitamin D deficiency and up-regulated TNFα-related signals are reported to be involved in abnormalities including intestinal hyper-permeability, bacterial translocation, systemic/portal endotoxemia, intestinal/adipose tissue/hepatic inflammation, and hepatic steatosis in nonalcoholic steatohepatitis (NASH). This study aims to explore the molecular mechanisms and effects of chronic calcitriol [1,25-(OH)2D3, hormonal form of vitamin D] on gut-adipose tissue-liver axis abnormalities using a high-fat diet (HFD)-fed rat model of NASH...
2018: PloS One
https://www.readbyqxmd.com/read/29681950/vitamin-d-promotes-msc-osteogenic-differentiation-stimulating-cell-adhesion-and-%C3%AE-v-%C3%AE-3-expression
#6
Francesca Posa, Adriana Di Benedetto, Elisabetta A Cavalcanti-Adam, Graziana Colaianni, Chiara Porro, Teresa Trotta, Giacomina Brunetti, Lorenzo Lo Muzio, Maria Grano, Giorgio Mori
Vitamin D (Vit D) by means of its biological active form, 1 α ,25-dihydroxyvitamin D3 (1,25(OH)2 D3 ), has a protective effect on the skeleton by acting on calcium homeostasis and bone formation. Furthermore, Vit D has a direct effect on mesenchymal stem cells (MSCs) in stimulating their osteogenic differentiation. In this work, we present for the first time the effect of 1,25(OH)2 D3 on MSC adhesion. Considering that cell adhesion to the substrate is fundamental for cell commitment and differentiation, we focused on the expression of α V β 3 integrin, which has a key role in the commitment of MSCs to the osteoblastic lineage...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29671909/should-phosphate-management-be-limited-to-the-kdigo-kdoqi-guidelines
#7
Sangeet Dhillon-Jhattu, Stuart M Sprague
Hyperphosphatemia is a common complication of CKD. Prior to development of overt hyperphosphatemia, there are several adaptive mechanisms that occur to maintain normal phosphorus equilibrium in patients with CKD. These include an early and progressive rise in fibroblast growth factor 23 (FGF 23), followed by an increase in parathyroid hormone (PTH) with a decrease in 1,25-dihydroxyvitamin D (1,25 Vit D). Over the last 20 years, a large number of studies have shown that hyperphosphatemia is a strong predictor of adverse clinical outcomes including increased incidence of vascular calcification, cardiovascular disease, and all-cause mortality in both individuals with CKD as well as those with normal kidney function...
April 19, 2018: Seminars in Dialysis
https://www.readbyqxmd.com/read/29619868/fibroblast-growth-factor-23-is-a-strong-predictor-of-insulin-resistance-among-chronic-kidney-disease-patients
#8
Ahmed Fayed, Mahmoud M El Nokeety, Ahmed A Heikal, Dina O Abdulazim, Mervat M Naguib, Usama A A Sharaf El Din
Insulin resistance (IR) is very common among chronic kidney disease (CKD) patients. Disturbance in mineral and bone metabolism (MBD) seems to play a role in the pathogenesis of insulin resistance. Fibroblast growth factor-23 (FGF23) is evolving as the most important link between MBD and many pathologic sequences of CKD. The aim was to evaluate IR in pre-dialysis CKD patients looking for a possible association to mineral metabolism among CKD patients. A total of 100 stage 3-5 CKD patients were selected beside 20 normal control subjects...
November 2018: Renal Failure
https://www.readbyqxmd.com/read/29608396/metabolic-syndrome-and-vitamin-d-levels-in-patients-with-obstructive-sleep-apnea-syndrome
#9
Kostas Archontogeorgis, Evangelia Nena, Nikolaos Papanas, Manfredi Rizzo, Athanasios Voulgaris, Maria Xanthoudaki, Maria Kouratzi, Georgia Ragia, Vangelis Manolopoulos, Athanasios Zissimopoulos, Marios Froudarakis, Paschalis Steiropoulos
BACKGROUND: Numerous studies have indicated that obstructive sleep apnea syndrome (OSAS), may contribute to the development of metabolic syndrome (MetS) and diabetes. Moreover, OSAS has been associated with lowered vitamin D (Vit D) levels, but reports are inconclusive. Aim of the study was to compare Vit D levels according to the presence of MetS and its components in OSAS patients. METHODS: The presence of MetS was evaluated and serum 25-hydroxy vitamin D [25(OH)D] levels were measured in consecutive newly diagnosed, by polysomnography, subjects with OSAS...
April 2, 2018: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29606435/vitamin-d-biofortified-beef-a-comparison-of-cholecalciferol-with-synthetic-versus-uvb-mushroom-derived-ergosterol-as-feed-source
#10
Sarah K Duffy, John V O'Doherty, Gaurav Rajauria, Louise C Clarke, Aoife Hayes, Kirsten G Dowling, Michael N O'Grady, Joseph P Kerry, Jette Jakobsen, Kevin D Cashman, Alan K Kelly
This study investigates dietary fortification of heifer feeds with cholecalciferol and ergocalciferol sources and effects on beef total vitamin D activity, vitamer, respective 25-hydroxymetabolite contents, and meat quality. Thirty heifers were allocated to one of three dietary treatments [(1) basal diet + 4000 IU of vitamin D3 (Vit D3 ); (2) basal diet + 4000 IU of vitamin D2 (Vit D2 ); and (3) basal diet + 4000 IU of vitamin D2 -enriched mushrooms (Mushroom D2 )] for a 30 day pre-slaughter period...
August 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29574135/cryopreservation-and-in-vitro-culture-of-white-tailed-deer-ovarian-tissue
#11
G D A Gastal, F L N Aguiar, A P R Rodrigues, J M Scimeca, G A Apgar, W J Banz, J M Feugang, E L Gastal
The aims of this study were to evaluate (1) the survivability of white-tailed deer ovarian tissue after cryopreservation by slow-freezing (SF) and vitrification (VIT) techniques and in vitro culture (IVC) for up to 7 days, and (2) the effects of cryopreservation techniques on protein expression of proliferative and apoptotic markers of ovarian tissue pre- and post-in vitro culture. Ovaries (n = 14) of seven white-tailed deer fawns (<1.5 years old) were used. Ovarian cortexes were cut into fragments (2 × 2 × 0...
March 8, 2018: Theriogenology
https://www.readbyqxmd.com/read/29555416/phosphorus-kinetics-in-lambs-experimentally-infected-with-trichostrongylus-colubriformis-with-the-use-of-32-p
#12
Tairon Pannunzio Dias E Silva, Carolina Rodriguez Jimenez, Egon Ion Ieda, Adibe Luiz Abdalla, Helder Louvandini
This study was conducted to evaluate the metabolism and phosphorus (P) kinetics in lambs experimentally infected with Trichostrongylus colubriformis using the isotope dilution technique and modelling. Fifteen male lambs (21.1 ± 1.50 kg) of the Santa Inês hair breed of approximately six months old, distributed in the treatments infected (I, n = 8) and control (C, n = 7) were used. The infected lambs received serial infections with 5000 T. colubriformis larvae, three times per week, for 3 weeks (45 000 T...
March 16, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29538679/advanced-glycation-end-products-alter-steroidogenic-gene-expression-by-granulosa-cells-an-effect-partially-reversible-by-vitamin-d
#13
Z Merhi, E Buyuk, M J Cipolla
STUDY QUESTION: Does vitamin D attenuate the adverse effects of advanced glycation end products (AGEs) on steroidogenesis by human granulosa cells (GCs)? SUMMARY ANSWER: AGEs alter the expression of genes important in steroidogenesis while 1,25-dihydroxyvitamin D3 (vit D3) in vitro attenuates some of the actions of AGEs on steroidogenic gene expression, possibly by downregulating the expression of the pro-inflammatory cell membrane receptor for AGEs (RAGE). WHAT IS KNOWN ALREADY: Vitamin D attenuates the pro-inflammatory effects of AGEs in non-ovarian tissues...
March 12, 2018: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29473797/formation-and-inhibition-of-n-nitrosodiethanolamine-in-cosmetics-under-ph-temperature-and-fluorescent-ultraviolet-and-visual-light
#14
Duck Soo Lim, Seung Kwang Lim, Min Kook Kim, Yong Chan Kwon, Tae Hyun Roh, Seul Min Choi, Sungpil Yoon, Hyung Sik Kim, Byung-Mu Lee
N-nitrosodiethanolamine (NDELA), a type of nitrosamine, is a possible human carcinogen that may form in cosmetic products. The aim of this study was to examine the formation and inhibition of NDELA through chemical reactions of secondary amines including mono-ethanolamine, di-ethanolamine (DEA), and tri-ethanolamine (TEA), and sodium nitrite (SN) under varying conditions such as pH, temperature, and fluorescent, ultraviolet (UV), and visual light (VIS) using liquid chromatography-mass spectroscopy. In a mixture of TEA and SN under acidic conditions pH 2, residual NDELA concentrations rose significantly under various storage conditions in the following order: 50°C > 40°C > UV (2 W/m2 ) > VIS (4000 lux) > fluorescent light > 25°C > 10°C...
2018: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/29456203/effect-of-vitamin-e-on-reversibility-of-renal-function-following-discontinuation-of-colistin-in-rats-histological-and-biochemical-investigations
#15
Zohra Ghlissi, Ahmed Hakim, Hela Mnif, Rim Kallel, Khaled Zeghal, Tahiya Boudawara, Zouheir Sahnoun
This study was carried out to evaluate spontaneous renal regeneration after stopping colistin methanesulfonate (CMS), which induces tubular damage, and the curative effect of Vitamin E (vit E) in rats. Animals were given the following: sterile saline (n = 6), 300,000 IU/kg/ day of CMS (n = 24), or 450,000 IU/kg/day of CMS (n = 24) for seven days. Each CMS group was subdivided into four subgroups (n = 6) and sacrificed as follows: (i) 12 h after stopping CMS, (ii) two weeks after stopping CMS, (iii) two weeks after stopping treatment with vit E, and (iv) two weeks after stopping treatment with olive oil...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29444180/the-bogazici-face-database-standardized-photographs-of-turkish-faces-with-supporting-materials
#16
S Adil Saribay, Ali Furkan Biten, Erdem Ozan Meral, Pinar Aldan, Vít Třebický, Karel Kleisner
Many sets of human facial photographs produced in Western cultures are available for scientific research. We report here on the development of a face database of Turkish undergraduate student targets. High-resolution standardized photographs were taken and supported by the following materials: (a) basic demographic and appearance-related information, (b) two types of landmark configurations (for Webmorph and geometric morphometrics (GM)), (c) facial width-to-height ratio (fWHR) measurement, (d) information on photography parameters, (e) perceptual norms provided by raters...
2018: PloS One
https://www.readbyqxmd.com/read/29423219/the-effect-of-protein-supplementation-on-body-muscle-mass-and-fat-mass-in-post-bariatric-surgery-a-randomized-controlled-trial-rct-study-protocol
#17
Sahar D Al-Shamari, Mohamed Aly ElSherif, Wahiba Hamid, Fahad Hanna
Background: Severe weight loss through means of bariatric surgery has been associated with loss of muscle mass due to lack of absorption of protein. The aim of this RCT is to investigate the effectiveness of protein supplementation in reducing the risk of developing protein malnutrition and muscle wasting in post-bariatric surgery patients in Qatar. Methods and analysis: The study was based at the Department of bariatric and metabolic surgery, Doha metropolitan and regional areas...
2018: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/29420305/effect-of-slco1b1-gene-polymorphisms-and-vitamin-d-on-statin-induced-myopathy
#18
Baraa Alghalyini, Said El Shamieh, Ali Salami, Sophie Visvikis Siest, Hana M Fakhoury, Rajaa Fakhoury
Background Statin therapy used to lower cholesterol levels results in a substantial reduction in cardiovascular complications. Previous observations in different ethnic populations showed that rs2306283A>G, p.Asn130Asp and rs4149056T>C, p.Val174Ala in solute carrier organic anion transporter 1B1 (SLCO1B1) gene encoding the organic transporter protein may be responsible for statin uptake, thus explaining the majority of statin-associated symptoms. In addition to the genetic component, vitamin D (vit D) deficiency is common in Saudi Arabia and worldwide and may cause muscle dysfunction and ache...
March 28, 2018: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/29394277/transporter-genes-identified-in-landraces-associated-with-high-zinc-in-polished-rice-through-panicle-transcriptome-for-biofortification
#19
C N Neeraja, Kalyani S Kulkarni, P Madhu Babu, D Sanjeeva Rao, K Surekha, V Ravindra Babu
Polished rice is poor source of micronutrients, however wide genotypic variability exists for zinc uptake and remobilization and zinc content in brown and polished grains in rice. Two landraces (Chittimutyalu and Kala Jeera Joha) and one popular improved variety (BPT 5204) were grown under zinc sufficient soil and their analyses showed high zinc in straw of improved variety, but high zinc in polished rice in landraces suggesting better translocation ability of zinc into the grain in landraces. Transcriptome analyses of the panicle tissue showed 41182 novel transcripts across three samples...
2018: PloS One
https://www.readbyqxmd.com/read/29368309/are-we-treating-osteoporotic-fractures-of-the-hip-adequately-a-middle-eastern-cohort-study
#20
K Venugopal Menon, Huda Hamed Salim Al Harthy, Khalid Shafi Khalid Al Habsi, Hind Abdullah Hamed Al Ruzaiqi
Fragility hip fractures treated in a center in the Middle East were retrospectively studied for adequacy of osteoporosis management. Of the 318 patients treated, over 70% did not have a structured investigation and about 30% did not receive any therapeutic supplements. Our series showed a preventable 8.8% secondary fracture rate. PURPOSE: To study the adequacy of evaluation and treatment of osteoporosis after fragility fractures of the hip. The study also attempts to estimate the prevalence of secondary fractures after the original injury...
January 24, 2018: Archives of Osteoporosis
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