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Vitamin D

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https://www.readbyqxmd.com/read/29241179/rs739837-polymorphism-in-mir-885-3p-binding-site-within-3-untranslated-region-of-vitamin-d-receptor-is-associated-with-a-decreased-risk-of-pressure-ulcers
#1
Xia Ji, Jinbao Mao, Shuang Zhou
BACKGROUND/AIMS: Accumulative evidence has shown that miR-885-3p plays a crucial role in human carcinogenesis. From miRNA database, we also found that rs739837 polymorphism in miR-885-3p binding site within 3'-untranslated region of Vitamin D receptor (VDR), compromising the suppressive effect of miR-885-3p on VDR. Moreover, Vitamin D is involved in controlling the cell immune response and may play a role in pressure ulcers development. However, whether this polymorphism is actually linked with pressure ulcers remains unclear...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29241119/bench-to-bedside-review-possible-role-of-vitamin-d-in-autism-spectrum-disorder
#2
REVIEW
Feiyong Jia, Ling Shan, Bing Wang, Honghua Li, Chunyue Miao, Zhida Xu, Ching-Po Lin, Khaled Saad
Autism spectrum disorder (ASD) is a group of dysfunctions in social interaction, communication, and behaviors. Studies have demonstrated that vitamin D deficiency during pregnancy and in individuals increased the risk of ASD. A genetic polymorphism study has pinpointed that genotype AA/A-allele of GC rs4588 in children is associated with ASD, which encodes the vitamin D binding protein. Translating the mentioned points into clinical practice, several clinical trials have demonstrated that vitamin D supplementation can improve the core symptoms in children with ASD...
December 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29240856/combining-topical-psoriasis-treatment-to-enhance-systemic-and-phototherapy-a-review-of-the-literature
#3
Jerry Bagel, Linda Stein Gold
<p>Psoriasis is a chronic infammatory skin disease that affects millions of people in the United States as well as worldwide. While there is cur-rently no cure for psoriasis, many treatment options are available. Topical therapies are the mainstay for the majority of patients who have limited or mild psoriasis. Among these medications, topical vitamin D analogs (eg, calcipotriene) and corticosteroids (eg, betamethasone), and these drugs in combination, are the most widely prescribed psoriasis drugs and are the cornerstone of topical therapies...
December 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29240264/longitudinal-vitamin-d-deficiency-is-inversely-related-to-mite-sensitization-in-early-childhood
#4
Chih-Yung Chiu, Kuan-Wen Su, Ming-Han Tsai, Man-Chin Hua, Sui-Ling Liao, Shen-Hao Lai, Li-Chen Chen, Tsung-Chieh Yao, Kuo-Wei Yeh, Jing-Long Huang
BACKGROUND: There are few studies addressing the longitudinal analysis of vitamin D deficiency and its impact to the development of atopic diseases in early childhood. METHODS: We investigated 155 children who regularly followed up at our clinic for 5 years as subjects enrolled in a birth cohort study. The pattern of vitamin D levels from birth to 5 years of age was clustered using K-means method in R software. Absolute eosinophil count (AEC), total serum and specific immunoglobulin E antibodies against food (egg white, milk, and wheat) and inhalant allergens (D...
December 14, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29240025/hypovitamininosis-d-in-childhood-cancer-survivors-importance-of-vitamin-d-supplementation-and-measurement-over-different-points-of-time
#5
Ashraf Fouda, Shaimaa Kandil, Khadijah Boujettif, Najwa Fayea
This observational retrospective cross-sectional and case-controlled study measures levels of 25-hydroxy-vitamin D (25-OH-VD) in pediatric cancer survivors at different intervals and assesses the effect of 2 supplementation regimens over a period of 12 months. Sixty-eight patients were included in this quasi-experimental study, of which 32 were boys and 36 were girls. A control group of 30 healthy children were included. It was found that initial 25-OH-VD levels were insufficient (<30 ng/mL) in 61 patients (89...
December 12, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29239997/predisposing-risk-factors-and-stress-fractures-in-division-i-cross-country-runners
#6
Kaci L Giffin, Kathy B Knight, Martha A Bass, Melinda W Valliant
The purpose of this study was to explore factors associated with increased stress fractures in collegiate cross country runners. Participants in this study were 42 male and female cross country runners at a Division I university. Each athlete completed a questionnaire regarding smoking status, vitamin/mineral intake, previous stress fracture history, birth control usage, menstrual status, and demographic information. Nutritional assessment via a 3-day food record and measurements of whole body, lumbar spine, and hip bone mineral densities (BMD) were also conducted on each athlete...
November 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239815/provider-recommendations-for-patient-reported-muscle-symptoms-on-statin-therapy-insights-from-the-understanding-statin-use-in-america-and-gaps-in-patient-education-survey
#7
Terry A Jacobson, Abdullah Khan, Kevin C Maki, Eliot A Brinton, Jerome D Cohen
BACKGROUND: Statin-associated muscle symptoms are reported by 10% to 29% of patients in clinical practice and are a major determinant of statin nonadherence, discontinuation, and switching. Little is known about what advice patients receive from their providers when dealing with these symptoms. OBJECTIVE: The objective of the study was to assess patient's reports of provider advice when experiencing new or worsened muscle symptoms while taking a statin. METHODS: Data were analyzed from the Understanding Statin Use in America and Gaps in Education survey, a self-administered internet-based survey of 10,138 adults with a reported history of high cholesterol and statin use...
October 12, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/29239492/stereoselective-palladium-catalyzed-approach-to-vitamin-d3-derivatives-in-protic-medium
#8
Antonio Mourino, Diego Carballa, Rita Sigüeiro, Zaida Rodríguez-Docampo, Flavia Zacconi, Miguel A Maestro
Herein, we describe an efficient convergent synthesis of vitamin D3 metabolites and analogs. The synthetic strategy relies on a tandem Pd-catalyzed A-ring closure and Suzuki-Miyaura coupling to the CD-side chain component to set directly the vitamin D triene system under protic conditions. This strategy enables a rapid access to vitamin D3 and 3-epi-vitamin D3 metabolites and analogs modified at the side chain for biological evaluation, and structural and metabolic studies.
December 14, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29239065/vitamin-d-receptor-rs2228570-polymorphism-and-susceptibility-to-ovarian-cancer-an-updated-meta-analysis
#9
Hongmei Chen, Jin Zhu
AIM: The FokI polymorphism (C>T, rs2228570) of the vitamin D receptor gene is a coding nonsynonymous single nucleotide polymorphism in the translational initiation codon reported to have functional significance. Although the role of rs2228570 in the risk of ovarian cancer has been widely researched, the association is still unclear. We performed an updated meta-analysis to clarify this issue. METHODS: Eligible studies were retrieved from electronic databases for the period 2007-2016...
December 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29238985/impaired-functional-vitamin-b6-status-is-associated-with-increased-risk-of-lung-cancer
#10
Despoina Theofylaktopoulou, Øivind Midttun, Per M Ueland, Klaus Meyer, Anouar Fanidi, Wei Zheng, Xiao-Ou Shu, Yong-Bing Xiang, Ross Prentice, Mary Pettinger, Cynthia A Thomson, Graham G Giles, Allison Hodge, Qiuyin Cai, William J Blot, Jie Wu, Mikael Johansson, Johan Hultdin, Kjell Grankvist, Victoria L Stevens, Marjorie M McCullough, Stephanie J Weinstein, Demetrius Albanes, Regina Ziegler, Neal D Freedman, Arnulf Langhammer, Kristian Hveem, Marit Naess, Howard D Sesso, J Michael Gaziano, Julie E Buring, I-Min Lee, Gianluca Severi, Xuehong Zhang, Meir J Stampfer, Jiali Han, Stephanie A Smith-Warner, Anne Zeleniuch-Jacquotte, Loic le Marchand, Jian-Min Yuan, Renwei Wang, Lesley M Butler, Woon-Puay Koh, Yu-Tang Gao, Nathaniel Rothman, Ulrika Ericson, Emily Sonestedt, Kala Visvanathan, Miranda R Jones, Caroline Relton, Paul Brennan, Mattias Johansson, Arve Ulvik
Circulating vitamin B6 levels have been found to be inversely associated with lung cancer. Most studies have focused on the B6 form pyridoxal 5'-phosphate (PLP), a direct biomarker influenced by inflammation and other factors. Using a functional B6 marker allows further investigation of the potential role of vitamin B6 status in the pathogenesis of lung cancer. We prospectively evaluated the association of the functional marker of vitamin B6 status, the 3-hydroxykynurenine:xanthurenic acid ratio (HK:XA), with risk of lung cancer in a nested case-control study consisting of 5,364 matched case control pairs from the Lung Cancer Cohort Consortium (LC3)...
December 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29238479/vitamin-d-receptor-gene-polymorphisms-as-a-risk-factor-for-obesity-in-saudi-men
#11
Ayman Saeed Al-Hazmi, Mazin Mohammed Al-Mehmadi, Sarah Mohammad Al-Bogami, Ashjan Ali Shami, Ahmed Ali Al-Askary, Anas Mohammad Alomery, Saad Saeed Al-Shehri, Haytham Dahlawi, Khadija Abdulrazag, Tariq Ali, Abdalaziz Al-Bogami, Emad Sheshah, Abdalaziz Al-Mutairi, Salh Al-Suhimi, Faris Alharb
Background: The prevalence of obesity and vitamin D deficiency in Saudi Arabia has increased recently. Decreased physical activity might play a role in obesity. Previous studies showed an association between low vitamin D level and its receptor polymorphism with obesity development. Objective: To determine association of low vitamin D level and its receptor polymorphism with obesity in Saudi men. Methods: This case control study was carried out from March 2016 through March 2017...
October 2017: Electronic Physician
https://www.readbyqxmd.com/read/29238429/the-effect-of-ongoing-vitamin-d-and-low-fat-milk-intake-on-bone-metabolism-in-female-high-school-endurance-runners
#12
Aoi Ikedo, Takuma Arimitsu, Toshiyuki Kurihara, Kumiko Ebi, Satoshi Fujita
Background: Vitamin D and calcium are essential nutrients for bone health. In addition, vitamin D suppresses inflammatory cytokines and increases bone resorption. Therefore, improvements in bone health by calcium and vitamin D supplementation have the potential to not only improve calcium metabolism but also suppress inflammation associated with exercise training. The purpose of this study was to determine whether ongoing vitamin D supplementation and low-fat milk intake by female high-school endurance runners would improve bone metabolism by suppressing inflammatory cytokines and the parathyroid hormone (PTH)...
January 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29238379/correlation-of-vitamin-d-status-and-orthodontic-induced-external-apical-root-resorption
#13
Azita Tehranchi, Azin Sadighnia, Farnaz Younessian, Amir H Abdi, Armin Shirvani
Background: Adequate Vitamin D is essential for dental and skeletal health in children and adult. The purpose of this study was to assess the correlation of serum Vitamin D level with external-induced apical root resorption (EARR) following fixed orthodontic treatment. Materials and Methods: In this cross-sectional study, the prevalence of Vitamin D deficiency (defined by25-hydroxyvitamin-D) was determined in 34 patients (23.5% male; age range 12-23 years; mean age 16...
November 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29237505/1-25-dihydroxyvitamin-d3-modulates-the-phenotype-and-function-of-monocyte-derived-dendritic-cells-in-cattle
#14
Yolanda Corripio-Miyar, Richard J Mellanby, Katy Morrison, Tom N McNeilly
BACKGROUND: The active form of the vitamin D3, 1,25-Dihydroxyvitamin D3 (1,25-(OH)2D3) has been shown to have major effects not only on physiological processes but also on the regulation of the immune system of vertebrates. Dendritic cells are specialised antigen presenting cells which are in charge of the initiation of T-cell dependant immune responses and as such are key regulators of responses towards pathogens. In this study we set out to evaluate the effects of 1,25-(OH)2D3 on the phenotype of cattle monocyte-derived dendritic cells (MoDCs) and how the conditioning with this vitamin affects the function of these myeloid cells...
December 13, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29236646/evaluation-of-bone-mineral-density-bmd-and-indicators-of-bone-turnover-in-patients-with-hemophilia
#15
Mehmet Dagli, Ali Kutlucan, Sedat Abusoglu, Abdulkadir Basturk, Mehmet Sozen, Leyla Kutlucan, Ali Unlu, Farise Yilmaz
A decrease in bone mass is observed in hemophilic patients. The aim of this study was to evaluate bone mineral density (BMD), parathyroid hormone (PTH), 25-hydroxy vitamin D (vitamin D), and a bone formation and resorption marker, procollagen type I N-terminal propeptide (PINP) and urinary N-terminal telopeptide (uNTX) respectively, in hemophilic patients and healthy controls. Laboratory parameters related to the pathogenesis of bone loss such as neutrophil-lymphocyte ratio (NLR) and platelet-lymphocyte ratio (PLR) were also evaluated...
December 13, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29236523/associations-between-inflammatory-bowel-diseases-and-vitamin-d
#16
Sandra Maria Barbalho, Ricardo de Alvares Goulart, Rodrigo Gallhardi Gasparini
Inflammatory Bowel Diseases (IBD) are increasing sharply, and the common medications are not effective for most patients. Vitamin D (VD) has been considerate to reduce inflammatory processes and may be helpful in IBD. The aim of this review was to perform an update on the potential role of VD in the IBD. We performed a search for articles associating VD and IBD published in MEDLINE-PubMed and EMBASE. The focused question used for the search was "What is the association between Inflammatory Bowel Disease and Vitamin D?" The exclusion criteria for this search were studies not in English, editorials, case reports, or poster presentations...
December 13, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29236422/lessons-from-the-u-k-about-vitamin-d-supplementation
#17
Susan Whiting
No abstract text is available yet for this article.
January 2017: Canadian Nurse
https://www.readbyqxmd.com/read/29236049/effect-of-monthly-high-dose-long-term-vitamin-d-on-lung-function-a-randomized-controlled-trial
#18
John D Sluyter, Carlos A Camargo, Debbie Waayer, Carlene M M Lawes, Les Toop, Kay-Tee Khaw, Robert Scragg
Although observational studies suggest positive vitamin D-lung function associations, randomized trials are inconsistent. We examined effects of vitamin D supplementation on lung function. We recruited 442 adults (50-84 years, 58% male) into a randomized, double-blinded, placebo-controlled trial. Participants received, for 1.1 years (median; range = 0.9-1.5 years), either (1) vitamin D₃ 200,000 IU, followed by monthly 100,000 IU doses (n = 226); or (2) placebo monthly (n = 216). At baseline and follow-up, spirometry yielded forced expiratory volume in 1 s (FEV1; primary outcome)...
December 13, 2017: Nutrients
https://www.readbyqxmd.com/read/29235559/body-size-modifies-the-relationship-between-maternal-serum-25-hydroxyvitamin-d-concentrations-and-gestational-diabetes-in-high-risk-women
#19
Anita J Valkama, Jelena M Meinilä, Saila B Koivusalo, Jaana Lindström, Kristiina Rönö, Aila E Tiitinen, Beata Stach-Lempinen, Hannu J Kautiainen, Heli Viljakainen, Sture Andersson, Johan G Eriksson
Obesity increases the risk of low 25-hydroxyvitamin D (25(OH)D) concentrations and gestational diabetes (GDM). We explored whether the association between GDM and change in 25(OH)D concentrations measured in the first (7-18 wk) and second (20-27 wk) trimesters of pregnancy is dependent on maternal BMI. The study was a prospective study of 219 women with BMI of ≥30 kg/m2, a history of GDM, or both. The participants were stratified by first-trimester BMI: BMI of <25.0, 25.0-29.9, 30.0-34.9, and ≥35 kg/m2...
November 6, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29235392/re-evaluating-osteoporosis-and-fracture-risk-in-crohn-s-disease-patients-in-the-era-of-tnf-alpha-inhibitors
#20
Shahrad Hakimian, Joan Kheder, Seth Arum, David R Cave, Benjamin Hyatt
INTRODUCTION: Patients with Crohn's disease (CD) are at increased risk for osteoporosis and fractures as compared to the general population. Recently, various cytokines including tumor necrosis factor (TNF)-alpha are found to play a major role in bone health. In this study, we aimed to gain a better understanding of the risk factors for osteoporosis and vitamin D deficiency in the era of TNF-alpha inhibitors. METHODS: We conducted a retrospective review of 464 consecutive patients with CD in our GI clinic between 2008 and 2015...
December 13, 2017: Scandinavian Journal of Gastroenterology
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