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children vitamin d

Laura M G Meems, Hasan Mahmud, Hendrik Buikema, Jorg Tost, Sven Michel, Janny Takens, Rikst N Verkaik-Schakel, Inge Vreeswijk-Baudoin, Irene V Mateo-Leach, Torsten Plosch, Rudolf A de Boer
Vitamin D deficiency is one of the most common nutritional deficiencies worldwide. Maternal vitamin D deficiency is associated with increased susceptibility to hypertension in offspring but the reasons for this remain unknown. The aim of this study was to determine if parental vitamin D deficiency leads to altered DNA methylation in offspring that may relate to hypertension. Male and female Sprague-Dawley rats were fed a standard or vitamin D depleted diet. After 10 weeks, non-sibling rats were mated. The conceived pups received standard chow...
October 21, 2016: American Journal of Physiology. Heart and Circulatory Physiology
Ikram Bezrati, Raouf Hammami, Mohamed Kacem Ben Fradj, Domenico Martone, Johnny Padulo, Moncef Feki, Anis Chaouachi, Naziha Kaabachi
Vitamin D is thought to regulate skeletal muscle function and boost physical performance. The aim of this study was to assess the relationship between vitamin D and physical performance in physically active children. This cross-sectional study included 125 children who practice football as a leisure activity. Plasma 25-hydroxyvitamin D (25-OHD) was assessed using a chemiluminescence immunoassay method. Vitamin D inadequacy was defined as 25-OHD < 20 ng/mL. Physical performance testing included measurements of muscle strength (maximal isometric contraction), jumping ability (vertical jump, standing broad jump, triple hop test), linear sprint (10 m and 20 m), and agility (9 × 4-m shuttle run)...
July 13, 2016: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
M Urrutia-Pereira, D Solé
No abstract text is available yet for this article.
October 2016: Journal of Investigational Allergology & Clinical Immunology
Mary Norval, Anna K Coussens, Robert J Wilkinson, Liza Bornman, Robyn M Lucas, Caradee Y Wright
In this review, reports were retrieved in which vitamin D status, as assessed by serum 25-hydroxyvitamin D [25(OH)D] levels, was measured in South African population groups with varied skin colours and ethnicities. Healthy children and adults were generally vitamin D-sufficient [25(OH)D level >50 nmol/L] but the majority of those aged above 65 years were deficient. A major role for exposure to solar ultraviolet radiation (UVR) in determining 25(OH)D levels was apparent, with the dietary contribution being minor...
October 18, 2016: International Journal of Environmental Research and Public Health
Ayse Tosun, Seda Erisen Karaca, Tolga Unuvar, Yakup Yurekli, Cigdem Yenisey, Imran Kurt Omurlu
PURPOSE: We aimed to evaluate the relationship between bone mineral density (BMD) disorders and possible risk factors in patients with epilepsy only (EO), cerebral palsy only (CPO), and cerebral palsy-epilepsy (CP + E). METHODS: A total of 122 patients [EO (n = 54), CPO (n = 30), CP + E (n = 38)] and 30 healthy children were evaluated. BMD was only measured in patient groups, not in control subjects. BMD of lumbar vertebrae was determined by dual energy X-ray absorptiometry (DXA)...
October 18, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
Chloe A Smith, Cong Sun, Angela Pezic, Christine Rodda, Fergus Cameron, Katie Allen, Maria E Craig, John Carlin, Terry Dwyer, Robyn M Lucas, Darryl W Eyles, Andrew S Kemp, Justine A Ellis, Anne-Louise Ponsonby
BACKGROUND: Vitamin D deficiency is linked to adverse childhood health outcomes, yet data on the distribution and quantifiable determinants of neonatal 25-hydroxyvitamin D3 (25OHD) concentration, a vitamin D biomarker, are limited. OBJECTIVE: Our aim was to identify determinants of neonatal 25OHD concentration, measured using neonatal dried blood spots (DBS). METHODS: A total of 259 ethnically diverse children aged 0-16 years born in Victoria, Australia, were recruited...
October 19, 2016: Neonatology
Adriana N Mudryj, Harold M Aukema, Paul Fieldhouse, B Nancy Yu
Poor eating habits among children are associated with negative health outcomes. The objective of this study was to use pulse/soy consumption as an indicator to evaluate the eating profile of young Manitobans. Data from the Canadian Community Health Survey Cycle 2.2 were used for analysis and restricted to Manitoba residents aged 2 to 18 years (n = 1840). Consumers were identified as individuals who reported eating at least 1 pulse/soy product during their recall. On any given day, 8.2% of Manitobans reported consumption of pulses/soy...
July 19, 2016: Canadian Journal of Dietetic Practice and Research
Michele Miraglia Del Giudice, Annalisa Allegorico
The role of vitamin D in calcium and phosphate homeostasis is well known; however, in addition to traditional functions, vitamin D modulates a variety of processes, and evidence shows that it has an important role in different allergic diseases such as asthma, atopic dermatitis, and food allergy. Vitamin D acts by binding to the vitamin D receptor, which is present in a variety of tissues; for this reason it is considered a hormone. One of the most important functions is to modulate the immune system response, both innate and adaptive, by suppressing Th2-type response and increasing natural killer cells...
November 2016: Journal of Clinical Gastroenterology
Fatma İnci Arıkan, Semra Kara, Hüseyin Bilgin, Fatma Özkan, Yıldız Dallar Bilge
OBJECTIVE: The purpose of the current study was to investigate the possible effects of phototherapy on bone status of term infants evaluated by measurement of tibial bone SOS. MATERIALS AND METHODS: The phototherapy group (n = 30) consisted of children who had undergone phototherapy for at least 24 hours and the control group (n = 30) comprised children who had not received phototherapy. Blood samples were obtained from all infants for serum calcium, phosphorus, magnesium, alkaline phosphatase, parathyroid hormone and vitamin D concentrations...
October 13, 2016: Journal of Maternal-fetal & Neonatal Medicine
Charlotte Mortensen, Camilla T Damsgaard, Hanne Hauger, Christian Ritz, Susan A Lanham-New, Taryn J Smith, Áine Hennessy, Kirsten Dowling, Kevin D Cashman, Mairead Kiely, Christian Mølgaard
BACKGROUND: Children in northern latitudes are at high risk of vitamin D deficiency during winter because of negligible dermal vitamin D3 production. However, to our knowledge, the dietary requirement for maintaining the nutritional adequacy of vitamin D in young children has not been investigated. OBJECTIVE: We aimed to establish the distribution of vitamin D intakes required to maintain winter serum 25-hydroxyvitamin D [25(OH)D] concentrations above the proposed cutoffs (25, 30, 40, and 50 nmol/L) in white Danish children aged 4-8 y living at 55°N...
October 12, 2016: American Journal of Clinical Nutrition
Maria Felicia Faienza, Annamaria Ventura, Maurizio Delvecchio, Anna Fusillo, Laura Piacente, Gabriella Aceto, Graziana Colaianni, Silvia Colucci, Luciano Cavallo, Maria Grano, Giacomina Brunetti
CONTEXT: Childhood type 1 diabetes (T1DM) is associated with decreased bone mass. Sclerostin and dickkopf-1 (DKK-1) are Wnt inhibitors which regulate bone formation. OBJECTIVE: To evaluate sclerostin and DKK-1 levels in TD1M children and to analyze the influence of the glycaemic control on bone health. DESIGN AND SETTING: Cross-sectional study conducted at a clinical research center. Partecipants: One hundred and six T1DM subjects (12.2 ± 4 years), 66 on multiple daily injections (MDI) and 40 on continuous subcutaneous infusion of insulin (CSII), and 80 controls...
October 12, 2016: Journal of Clinical Endocrinology and Metabolism
Andrew H Liu, Denise C Babineau, Rebecca Z Krouse, Edward M Zoratti, Jacqueline A Pongracic, George T O'Connor, Robert A Wood, Gurjit K Khurana Hershey, Carolyn M Kercsmar, Rebecca S Gruchalla, Meyer Kattan, Stephen J Teach, Melanie Makhija, Dinesh Pillai, Carin I Lamm, James E Gern, Steven M Sigelman, Peter J Gergen, Alkis Togias, Cynthia M Visness, William W Busse
BACKGROUND: Pathway analyses can be used to determine how host and environmental factors contribute to asthma severity. OBJECTIVE: To investigate pathways explaining asthma severity in inner-city children. METHODS: On the basis of medical evidence in the published literature, we developed a conceptual model to describe how 8 risk-factor domains (allergen sensitization, allergic inflammation, pulmonary physiology, stress, obesity, vitamin D, environmental tobacco smoke [ETS] exposure, and rhinitis severity) are linked to asthma severity...
October 2016: Journal of Allergy and Clinical Immunology
Junling Fu, Cong Hou, Lujiao Li, Dan Feng, Ge Li, Mingyao Li, Changhong Li, Shan Gao, Ming Li
BACKGROUND: Betatrophin has been recently reported to play a role in glucose homeostasis by inducing beta-cell proliferation in mice. However, studies in human are inconsistent. As a nutritionally-regulated liver-enriched factor, we hypothesize that betatrophin might be regulated by vitamin D, and ignorance of vitamin D status may explain the discrepancy in previous human studies. The aims of this study were to assess the association between circulating betatrophin and glucose homeostasis as well as other cardiometabolic variables in a cohort of youths at risk for metabolic syndrome and test the possible influence of vitamin D status on the association...
October 6, 2016: Cardiovascular Diabetology
Mihnea T Zdrenghea, Heidi Makrinioti, Cristina Bagacean, Andy Bush, Sebastian L Johnston, Luminita A Stanciu
Vitamin D, in addition to its classical functions in bone homeostasis, has a modulatory and regulatory role in multiple processes, including host defense, inflammation, immunity, and epithelial repair. Patients with respiratory disease are frequently deficient in vitamin D, implying that supplementation might provide significant benefit to these patients. Respiratory viral infections are common and are the main trigger of acute exacerbations and hospitalization in children and adults with asthma and other airways diseases...
October 7, 2016: Reviews in Medical Virology
E Kamycheva, T Goto, C A Camargo
: We investigated the association between celiac disease (CD) and bone mass density (BMD) and risk of osteoporotic fractures in the general US population. In children and men ≥18 years, CD was associated with reduced BMD, and in men ≥40 years, CD was associated with increased risk of osteoporotic fractures. INTRODUCTION: Celiac disease (CD) is an autoimmune condition, characterized by inflammation of the small intestine. CD has an increasing prevalence, and if unrecognized or untreated, CD can lead to complications from malabsorption and micronutrient deficiencies...
October 6, 2016: Osteoporosis International
Fatemeh Tavakoli, Kokab Namakin, Mahmood Zardast
BACKGROUND: The high-density lipoprotein cholesterol (HDL-C) level has been shown to have a significant role in the prevention of cardiovascular diseases and atherosclerosis. Low vitamin D levels have been shown to be correlated with dyslipidemia, but limited data exist on indigenous children. OBJECTIVES: We aimed to investigate the effect of vitamin D supplementation on HDL-C levels in school-aged Iranian children. METHODS: In this prospective controlled clinical trial, 47 healthy children (23 boys) aged 10 - 14 years, students of Birjand (Iran) elementary schools, were selected and randomly divided into two groups...
August 2016: Iranian Journal of Pediatrics
Mohd Ashraf Ganie, Nishant Raizada, Himika Chawla, Arun Kumar Singh, Sandeep Aggarwala, Chandra Sekhar Bal
Primary hyperparathyroidism, typically a disease of the middle aged and the old, is less commonly seen in children. In children the disease has a bimodal age distribution with calcium sensing receptor mutation presenting in infancy as hypercalcemic crises and parathyroid adenoma or hyperplasia presenting later in childhood with bone disease. The childhood parathyroid adenomas are often familial with multiglandular disease and manifest with severe bone disease unlike adults. We report a series of four male patients with juvenile primary hyperparathyroidism, three of whom presented with bone disease masquerading as rickets-osteomalacia...
October 1, 2016: Journal of Pediatric Endocrinology & Metabolism: JPEM
Sandeep Puranik, Erick Forno, Andrew Bush, Juan C Celedón
Severe exacerbations negatively impact the quality of life and education of children with asthma, while also causing substantial healthcare costs. Preventing severe asthma exacerbations requires identifying patients at high risk, in order to develop personalized care protocols to prevent such exacerbations. In this review, we assess and discuss recently published data on risk factors and predictive tools for severe asthma exacerbations in childhood. Although few genome-wide association studies have focused on severe asthma exacerbations, one such study recently identified cadherin-related family member 3 (CDHR3, implicated on integrity of the airway epithelium), as a susceptibility gene for recurrent severe asthma exacerbations in young children...
October 6, 2016: American Journal of Respiratory and Critical Care Medicine
Mauricio Cortes, Michael J Chen, David L Stachura, Sarah Y Liu, Wanda Kwan, Francis Wright, Linda T Vo, Lindsay N Theodore, Virginie Esain, Isaura M Frost, Thorsten M Schlaeger, Wolfram Goessling, George Q Daley, Trista E North
Vitamin D insufficiency is a worldwide epidemic affecting billions of individuals, including pregnant women and children. Despite its high incidence, the impact of active vitamin D3 (1,25(OH)D3) on embryonic development beyond osteo-regulation remains largely undefined. Here, we demonstrate that 1,25(OH)D3 availability modulates zebrafish hematopoietic stem and progenitor cell (HSPC) production. Loss of Cyp27b1-mediated biosynthesis or vitamin D receptor (VDR) function by gene knockdown resulted in significantly reduced runx1 expression and Flk1(+)cMyb(+) HSPC numbers...
October 4, 2016: Cell Reports
Cecilia Magnusson, Michael Lundberg, Brian K Lee, Dheeraj Rai, Håkan Karlsson, Renee Gardner, Kyriaki Kosidou, Stefan Arver, Christina Dalman
BACKGROUND: Maternal vitamin D deficiency may increase risk of autism spectrum disorder (ASD), but direct evidence is lacking. AIMS: To clarify the relationship between maternal vitamin D deficiency and offspring risk of ASD with and without intellectual disability. METHOD: Using a register-based total population study (N=509 639), we calculated adjusted odds ratios (aORs) and 95% confidence intervals (CIs) of ASD with and without intellectual disability in relation to lifetime diagnoses of maternal vitamin D deficiency...
March 2016: BJPsych Open
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