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Vitamin D, diabetes

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https://www.readbyqxmd.com/read/28346853/high-prevalence-of-vitamin-d-deficiency-and-correlation-of-serum-vitamin-d-with-cardiovascular-risk-in-patients-with-metabolic-syndrome
#1
Mohammad J Alkhatatbeh, Khalid K Abdul-Razzak, Lubna Q Khasawneh, Nesreen A Saadeh
BACKGROUND: Metabolic syndrome (MetS) identifies subjects with increased risk of cardiovascular disease when they have a combination of insulin resistance, obesity, hypertension, hyperglycemia, low high-density lipoprotein cholesterol (HDL-C), and elevated triglycerides (TGs). Increasing evidence suggests that vitamin D deficiency could be associated with diabetes and MetS. The aim is to assess if 25-hydroxyvitamin D (25-OHD) is correlated with cardiovascular risk components of MetS. METHODS: A cross-sectional study involved 124 diabetic patients with MetS according to International Diabetes Federation definition...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28345527/prevalence-and-factors-promoting-the-occurrence-of-vitamin-d-deficiency-in-the-elderly
#2
Magdalena Wyskida, Katarzyna Wieczorowska-Tobis, Jerzy Chudek
Vitamin D deficiency affects a large part of the population of elderly people, especially women, who live in moderate climate countries due to a reduced amount of vitamin D in the diet (small sea fish consumption) and reduced content of 7-dehydrocholesterol, which causes decreased skin synthesis. The lowest seasonal concentration of 25(OH)D3 is usually observed during winter and spring. Sun exposure influences 25(OH)D3 concentration more strongly in men than in women. Sociodemographic factors that increase the risk of vitamin D deficiency in the elderly include poor environmental conditions, low economic status, lower educational level, drug exposure (smoking), reduced physical activity, overall poor health and obesity, which causes reduced skin exposure to sunlight...
March 13, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28341729/vitamin-d-deficiency-and-diabetes
#3
REVIEW
Michael J Berridge
Vitamin D deficiency has been linked to the onset of diabetes. This review summarizes the role of Vitamin D in maintaining the normal release of insulin by the pancreatic beta cells (β-cells). Diabetes is initiated by the onset of insulin resistance. The β-cells can overcome this resistance by releasing more insulin, thus preventing hyperglycaemia. However, as this hyperactivity increases, the β-cells experience excessive Ca(2+) and reactive oxygen species (ROS) signalling that results in cell death and the onset of diabetes...
March 24, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28335514/the-association-between-vitamin-d-deficiency-and-diabetic-retinopathy-in-type-2-diabetes-a-meta-analysis-of-observational-studies
#4
Bang-An Luo, Fan Gao, Lu-Lu Qin
Emerging evidence from in vivo and in vitro studies have shown that vitamin D may play an important role in the development of diabetic retinopathy (DR), but individually published studies showed inconclusive results. The aim of this study was to quantitatively summarize the association between vitamin D and the risk of diabetic retinopathy. We conducted a systematic literature search of Pubmed, Medline, and EMBASE updated in September 2016 with the following keywords: "vitamin D" or "cholecalciferol" or "25-hydroxyvitamin D" or "25(OH)D" in combination with "diabetic retinopathy" or "DR"...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28331572/environmental-risk-factors-for-autism-an-evidence-based-review-of-systematic-reviews-and-meta-analyses
#5
REVIEW
Amirhossein Modabbernia, Eva Velthorst, Abraham Reichenberg
BACKGROUND: According to recent evidence, up to 40-50% of variance in autism spectrum disorder (ASD) liability might be determined by environmental factors. In the present paper, we conducted a review of systematic reviews and meta-analyses of environmental risk factors for ASD. We assessed each review for quality of evidence and provided a brief overview of putative mechanisms of environmental risk factors for ASD. FINDINGS: Current evidence suggests that several environmental factors including vaccination, maternal smoking, thimerosal exposure, and most likely assisted reproductive technologies are unrelated to risk of ASD...
2017: Molecular Autism
https://www.readbyqxmd.com/read/28329121/very-low-calorie-diets-for-weight-loss-in-obese-older-adults-a-randomized-trial
#6
Cilla J Haywood, Luke A Prendergast, Katrina Purcell, Lauren Le Fevre, Wen Kwang Lim, Mary Galea, Joseph Proietto
Background: Obesity contributes to disability in older adults, and this is offset by weight loss and exercise. Very Low Calorie Diets (VLCDs) achieve rapid weight loss; however, these have not been rigorously evaluated in older people. Methods: A randomized trial was conducted from August 2012 through December 2015. The intervention was 12 weeks of thrice weekly exercise combined with either healthy eating advice (Ex/HE), hypocaloric diet (Ex/Diet), or VLCD (Ex/VLCD)...
February 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28326301/association-of-serum-25-hydroxy-vitamin-d-concentration-and-arterial-stiffness-among-korean-adults-in-single-center
#7
Jung Hae Lee, Heuy Sun Suh
BACKGROUND: There are growing concerns about the role of vitamin D deficiency in cardiovascular diseases. Therefore, we investigated the correlation between serum 25-hydroxy-vitamin D (25[OH]D) and arterial stiffness among Korean adults. METHODS: We retrospectively reviewed the medical charts of 302 people (115 women and 187 men) who visited a tertiary hospital from January 2015 to December 2016. Serum 25(OH)D was measured using the radioimmunoassay technique, and brachial-ankle pulse wave velocity (baPWV) was measured using an automatic wave analyzer...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28323045/vitamin-d-receptor-gene-polymorphisms-among-emirati-patients-with-type-2-diabetes-mellitus
#8
Habiba Al Safar, Sarah El Hajj Chehadeh, Laila Abdel-Wareth, Afrozul Haq, Herbert F Jelinek, Gehad ElGhazali, Fatme Al Anouti
At a prevalence rate close to 19.5%, the UAE has one of the highest rates of Type 2 Diabetes Mellitus (T2DM) in the world. Genome wide association studies (GWAS) have led to the identification of several genetic variants that are associated with T2DM. Recently, genes involved in vitamin D metabolism have gained interest because of the association between vitamin D deficiency (VDD) and increased risk for T2DM. Among these, the Vitamin D receptor (VDR) gene is a good candidate for T2DM susceptibility. The aim of this study was to investigate the association between VDR polymorphisms and T2DM among a representative sample of the Emirati population...
March 16, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28315864/vitamin-d-status-gender-differences-and-cardiometabolic-health-disparities
#9
Dharambir K Sanghera, Bishwa R Sapkota, Christopher E Aston, Piers R Blackett
BACKGROUND: Vitamin D deficiency is an unrecognized epidemic found in India and also worldwide. Despite the high prevalence of diabetes among Indians, there is a paucity of data showing the relationship between vitamin D status and cardiometabolic disparities. In this study, we have examined the relationship between vitamin D and cardiometabolic traits in a population from India. METHODS: Circulating 25(OH)D levels were measured in 3,879 participants from the Asian Indian Diabetic Heart Study using ELISA kits...
March 18, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28300676/bare-metal-versus-paclitaxel-eluting-stents-for-long-femoropopliteal-lesions-prospective-cohorts-comparison-using-a-propensity-score-matched-analysis
#10
Pierre-Alexandre Vent, Adrien Kaladji, Jean-Michel Davaine, Béatrice Guyomarch, Philippe Chaillou, Alain Costargent, Thibaut Quillard, Yann Gouëffic
BACKGROUND: The study aims to compare outcomes of primary stenting of TASC C/D femoropopliteal (FP) lesions with bare metal stent (BMS) versus paclitaxel eluting stent (PES). METHODS: In a single centre study, we established 2 consecutive and prospective cohorts with TASC C/D FP de novo lesions. The inclusion and exclusion criteria were similar. Bare metal stent (LifeStent(®), Bard Peripheral) and PES (Zilver(®) PTX(®), Cook Peripheral Vascular) were implanted...
March 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28294172/effects-of-vitamin-c-supplementation-on-glycaemic-control-a-systematic-review-and-meta-analysis-of-randomised-controlled-trials
#11
REVIEW
A W Ashor, A D Werner, J Lara, N D Willis, J C Mathers, M Siervo
Randomised controlled trials (RCTs) have observed contrasting results on the effects of vitamin C on circulating biomarkers of glycaemic and insulin regulation. We conducted a systematic review and meta-analysis of RCTs testing the effect of vitamin C administration on glucose, HbA1c and insulin concentrations. Four databases (PubMed, Embase, Scopus and Cochrane Library) were used to retrieve RCTs published from inception until April 2016 and testing the effects of vitamin C in adult participants. The screening of 2008 articles yielded 22 eligible studies (937 participants)...
March 15, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28291696/parenteral-vitamin-d-supplementation-is-superior-to-oral-in-vitamin-d-insufficient-patients-with-type-2-diabetes-mellitus
#12
Awanindra Dwivedi, Balram Gupta, Shalbha Tiwari, Daliparthy D Pratyush, Saurabh Singh, Surya Kumar Singh
BACKGROUND/OBJECTIVES: Oral vitamin D supplementation is better than parenteral in improving vitamin D deficiency in individuals with no systemic illness. Our aim was to compare the efficacy of oral and parenteral routes of vitamin D supplementation on circulating serum 25(OH) vitamin D level in patients with type 2 diabetes mellitus. METHODS: Total 85 cases of with type 2 diabetes mellitus were screened for vitamin D status of which 71 patients were vitamin D insufficient/deficient...
March 6, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28287628/prevalence-of-hypovitaminosis-d-and-associated-factors-in-obese-spanish-children
#13
T Durá-Travé, F Gallinas-Victoriano, M J Chueca-Guindulain, S Berrade-Zubiri
BACKGROUND/OBJECTIVES: Vitamin D deficiency may contribute to endocrine health and disease (diabetes, autoimmune thyroid diseases, polycystic ovarian syndrome, etc.). The aim of this study was to determine the prevalence and specific factors for hypovitaminosis D among children stratified by body mass index (BMI) in Northern Spain. SUBJECTS/METHODS: A cross-sectional clinical (sex, age, season of study visit, place of residence and BMI) and blood testing (calcium, phosphorous, calcidiol and parathyroid hormone (PTH)) were accomplished in 546 Caucasian individuals (aged 3...
March 13, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28287278/carotid-intima-media-thickness-is-not-associated-with-homocysteine-and-vitamin-d-levels-in-obstructive-sleep-apnea
#14
Katarína Klobučníková, Pavel Šiarnik, Monika Siváková, Helena Wágnerová, Imrich Mucska, Branislav Kollár, Peter Turčáni
Obstructive sleep apnea syndrome (OSA) is associated with increased vascular morbidity. Accelerated atherosclerosis might be one of the most important mechanisms linking OSA with the development of vascular disorders. Homocysteine (HCY) and vitamin D has been associated with atherogenesis. The aim of this study was to assess a possible association between the levels of HCY and vitamin D and the carotid intima-media thickness (cIMT), which is a known marker for subclinical atherosclerosis in patients with OSA...
March 13, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28286773/the-strategy-to-prevent-and-regress-the-vascular-calcification-in-dialysis-patients
#15
REVIEW
Nai-Ching Chen, Chih-Yang Hsu, Chien-Liang Chen
The high prevalence of arterial calcification in end-stage renal disease (ESRD) is far beyond the explanation by common cardiovascular risk factors such as aging, diabetes, hypertension, and dyslipidemia. The finding relies on the fact that vascular and valvular calcifications are predictors of cardiovascular diseases and mortality in persons with chronic renal failure. In addition to traditional cardiovascular risk factors such as diabetes mellitus and blood pressure control, other ESRD-related risks such as phosphate retention, excess calcium, and prolonged dialysis time also contribute to the development of vascular calcification...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28285303/bartter-syndrome-with-nephrogenic-diabetes-insipidus-and-vitamin-d-resistant-rickets
#16
Sriram Krishnamurthy, Anbazhagan Jagadeesh
No abstract text is available yet for this article.
February 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28281103/current-evidence-on-vitamin-d-deficiency-and-kidney-transplant-what-s-new
#17
REVIEW
Gerardo Sarno, Riccardo Nappi, Barbara Altieri, Giacomo Tirabassi, Emanuele Muscogiuri, Gianmaria Salvio, Stavroula A Paschou, Aristide Ferrara, Enrico Russo, Daniela Vicedomini, Cerbone Vincenzo, Andromachi Vryonidou, Silvia Della Casa, Giancarlo Balercia, Francesco Orio, Paride De Rosa
Kidney transplant is the treatment of choice for end-stage chronic kidney disease. Kidneys generate 1,25-dihydroxyvitamin D (calcitriol) from 25-hydroxyvitamin D (calcidiol) for circulation in the blood to regulate calcium levels. Transplant patients with low calcidiol levels have an increased risk of metabolic and endocrine problems, cardiovascular disease, type 2 diabetes mellitus, poor graft survival, bone disorders, cancer, and mortality rate. The recommended calcidiol level after transplant is at least 30 ng/mL (75 nmol/L), which could require 1000-3000 IU/d vitamin D3 to achieve...
March 9, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28276579/glucose-homeostasis-beta-cell-function-and-insulin-resistance-in-relation-to-vitamin-d-status-after-gestational-diabetes-mellitus
#18
Nael Shaat, Claes Ignell, Anastasia Katsarou, Kerstin Berntorp
INTRODUCTION: We wanted to determine vitamin D status after gestational diabetes mellitus (GDM) and to evaluate whether levels of 25-hydroxyvitamin D3 (25OHD3 ) are associated with beta cell function, insulin resistance, or a diagnosis of diabetes after GDM. MATERIAL AND METHODS: Glucose homeostasis was assessed during a 75-g oral glucose tolerance test 1-2 years after delivery in 376 women with previous GDM (287 European and 78 non-European, including 33 Arab and 35 Asian women)...
March 9, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28274898/association-of-benign-paroxysmal-positional-vertigo-with-osteoporosis-and-vitamin-d-deficiency-a-case-controlled-study
#19
Abdullah Karataş, Gülşah Acar Yüceant, Turgut Yüce, Cemal Hacı, Işıl Taylan Cebi, Mehti Salviz
OBJECTIVE: Benign paroxysmal positional vertigo (BPPV) is a common type of vertigo caused by the peripheral vestibular system. The majority of cases are accepted as idiopathic. Calcium metabolism also plays a primary role in the synthesis/absorption of otoconia made of calcium carbonate and thus might be an etiological factor in the onset of BPPV. In this study, we aimed to investigate the role of osteoporosis and vitamin D in the etiology of BPPV by comparing BPPV patients with hospital-based controls...
March 9, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/28266114/interaction-of-lifestyle-behaviour-or-systemic-diseases-with-dental-caries-and-periodontal-diseases-consensus-report-of-group-2-of-the-joint-efp-orca-workshop-on-the-boundaries-between-caries-and-periodontal-diseases
#20
Iain L C Chapple, Philippe Bouchard, Maria Grazia Cagetti, Guglielmo Campus, Maria-Clotilde Carra, Fabio Cocco, Luigi Nibali, Philippe Hujoel, Marja L Laine, Peter Lingstrom, David J Manton, Eduardo Montero, Nigel Pitts, Hélène Rangé, Nadine Schlueter, Wim Teughels, Svante Twetman, Cor Van Loveren, Fridus Van der Weijden, Alexandre R Vieira, Andreas G Schulte
Periodontal diseases and dental caries are the most common diseases of humans and the main cause of tooth loss. Both diseases can lead to nutritional compromise and negative impacts upon self-esteem and quality of life. As complex chronic diseases, they share common risk factors, such as a requirement for a pathogenic plaque biofilm, yet they exhibit distinct pathophysiologies. Multiple exposures contribute to their causal pathways, and susceptibility involves risk factors that are inherited (e.g. genetic variants), and those that are acquired (e...
March 2017: Journal of Clinical Periodontology
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