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https://www.readbyqxmd.com/read/28531780/vitamin-d-status-and-the-effects-of-oral-vitamin-d-treatment-in-children-with-vitiligo-a-prospective-study
#1
Gülay Karagüzel, Nil P Sakarya, Sevgi Bahadır, Selçuk Yaman, Ayşenur Ökten
BACKGROUND & AIMS: Vitiligo is a pigmentary disorder and autoimmune pathogenesis seems most likely. Decreased vitamin D levels have been related to several autoimmune diseases. Little is known about the association of vitiligo and vitamin D. We aimed to evaluate serum 25-hydroxyvitamin D [25(OH)D] levels in children with vitiligo and to determine the efficacy of oral vitamin D therapy on the repigmentation of vitamin D deficient patients. METHODS: Thirty patients aged 6-17 years with vitiligo and 30 sex- and age-matched apparently healthy controls were included in this prospective study...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531358/vitamin-b1-deficiency-in-patients-with-postural-tachycardia-syndrome-pots
#2
Svetlana Blitshteyn
OBJECTIVE: POTS is a heterogeneous disorder of the autonomic nervous system that can result from multiple etiologies. An increased prevalence of vitamin B12, vitamin D 25-OH and iron deficiencies has been observed in patients with POTS. This study examined the prevalence of vitamin B1 deficiency and assessed response to vitamin B1 supplementation in the deficient POTS patients. METHODS AND RESULTS: Medical records of 65 consecutive patients with POTS evaluated at our clinic were reviewed...
May 21, 2017: Neurological Research
https://www.readbyqxmd.com/read/28527425/effects-of-the-summer-holiday-season-on-uv-filter-and-illicit-drug-concentrations-in-the-korean-wastewater-system-and-aquatic-environment
#3
Ki Yong Kim, Kalu Ibe Ekpeghere, Hee-Jin Jeong, Jeong-Eun Oh
Seasonal variations in the concentrations of eight ultraviolet (UV) filters and 22 illicit drugs including their metabolites in the Korean aquatic environment were investigated. Seawater samples from three beaches, water samples from two rivers, and influents and effluents from three wastewater treatment plants were analyzed. The UV filter concentrations in the seawater, river water, and effluent samples were 39.4-296, 35.4-117, and 6.84-51.1 ng L(-1), respectively. The total UV filter concentrations in the seawater samples were 1...
May 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28526926/higher-prevalence-of-vitamin-d-deficiency-in-german-pregnant-women-compared-to-non-pregnant-women
#4
Sandra Gellert, Alexander Ströhle, Norman Bitterlich, Andreas Hahn
PURPOSE: Adequate vitamin D status is crucial for normal development of the fetus and for maternal health. As data on vitamin D status (25-hydroxyvitamin D, 25(OH)D) in German women of different states of pregnancy were not available, this study compared the vitamin D status of German women in all trimesters of pregnancy with that of non-pregnant women. METHODS: The study sample of 858 women (18-45 years) was recruited from April 2013 to March 2015 as a part of the cross-sectional Germany-wide VitaMinFemin study...
May 19, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28526533/serum-25-hydroxyvitamin-d-deficiency-predicts-long-term-poor-prognosis-among-ischemic-stroke-patients-without-hyperglycaemia
#5
Tian Xu, Chongke Zhong, Tan Xu, Yanbo Peng, Xiaoqing Bu, Chung-Shiuan Chen, Jinchao Wang, Zhong Ju, Qunwei Li, Deqin Geng, Yingxian Sun, Dongsheng Zhang, Jing Chen, Yonghong Zhang, Jiang He
BACKGROUND: It is unclear whether 25-hydroxyvitamin D [25(OH)D] has a protective effect on long-term prognosis of ischemic stroke and whether it is affected by blood glucose levels. We aim to examine the effect of serum vitamin D especially its deficiency on 1-year poor outcome of ischemic stroke patients in total patients and by blood glucose subgroups. METHODS: A total of 3041 ischemic patients from China Antihypertensive Trial in Acute Ischemic Stroke were included...
May 16, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28526388/serum-vitamin-d-and-change-in-lipid-levels-over-5%C3%A2-y-the-atherosclerosis-risk-in-communities-study
#6
Kamil F Faridi, Di Zhao, Seth S Martin, Joshua R Lupton, Steven R Jones, Eliseo Guallar, Christie M Ballantyne, Pamela L Lutsey, Erin D Michos
OBJECTIVES: Deficiency of 25-hydroxyvitamin D (25[OH]D) is associated with increased risk for cardiovascular disease, perhaps mediated through dyslipidemia. Deficient 25(OH)D is cross-sectionally associated with dyslipidemia, but little is known about longitudinal lipid changes. The aim of this study was to determine the relationship of 25(OH)D deficiency to longitudinal lipid changes and risk for incident dyslipidemia. METHODS: This was a longitudinal community-based study of 13 039 participants from the ARIC (Atherosclerosis Risk in Communities) study who had 25(OH)D and lipids measured at baseline (1990-1992) and lipids remeasured in 1993 to 1994 and 1996 to 1998...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526374/impact-of-high-dose-vitamin-d3-on-plasma-free-25-hydroxyvitamin-d-concentrations-and-antimicrobial-peptides-in-critically-ill-mechanically-ventilated-adults
#7
Jenny E Han, Jessica A Alvarez, Jennifer L Jones, Vin Tangpricha, Mona A Brown, Li Hao, Lou Ann S Brown, Greg S Martin, Thomas R Ziegler
OBJECTIVES: High-dose vitamin D3 increases plasma total 25-hydroxyvitamin D [25(OH)D] in critically ill, ventilated patients; however, to our knowledge, the effect on plasma levels of free (nonprotein-bound) 25(OH)D has not been investigated in critical illness. Moreover, the relationship of free 25(OH)D and the regulation of endogenous antimicrobial peptides (AMPs) remains unknown. The aims of this study were to determine in critically ill adults with respiratory failure the effect of previous high-dose regimens of vitamin D3 on free 25(OH)D concentrations, the relationship of free 25(OH)D with circulating cathelicidin (LL-37) and human beta-defensin-2 (hBD-2), and the associations between plasma levels of free 25(OH)D and these AMPs to alveolar macrophage phagocytosis function...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28526240/endocrine-actions-of-vitamin-d-in-skin-relevance-for-photocarcinogenesis-of-non-melanoma-skin-cancer-and-beyond
#8
REVIEW
Jörg Reichrath, Roman Saternus, Thomas Vogt
The skin represents a pivotal organ for the human body's vitamin D endocrine system, being both the site of ultraviolet (UV)-B-induced vitamin D synthesis and a target tissue for the pluripotent effects of 1,25(OH)2D3 and other biologically active vitamin D metabolites. As many other steroid hormones, 1,25(OH)2D3 exerts its effects via two independent signal transduction pathways: the classical genomic and the non-genomic pathway. While non-genomic effects of 1,25(OH)2D3 are in part exerted via effects on intracellular calcium, genomic effects are mediated by the vitamin D receptor (VDR)...
May 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28523025/association-of-vitamin-d-insufficiency-deficiency-with-thyroid-artery-doppler-ultrasonography-in-patients-with-hashimoto-thyroiditis
#9
Ahmet Nalbant, Ayhan Aydin, Alper Karacan, Attila Onmez, Ali Tamer, Hakan Cinemre
BACKGROUND & OBJECTIVE: During the course of the autoimmune thyroid diseases, ultrasonography change parallel to histopathology. Vitamin D is associated with autoimmune diseases and thus can affect thyroid blood flow. Our aim was to investigate the relationship between vitamin D insufficiency/deficiency and thyroid hemodynamic indices in patients with Hashimoto thyroiditis. METHODS: A total of 93 patients who presented to Sakarya University Endocrinology outpatient clinic from April to September 2016 and diagnosed with Hashimoto thyroiditis were included in this study...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522216/associations-of-lower-vitamin-d-concentrations-with-cognitive-decline-and-long-term-risk-of-dementia-and-alzheimer-s-disease-in-older-adults
#10
Catherine Feart, Catherine Helmer, Bénédicte Merle, François R Herrmann, Cédric Annweiler, Jean-François Dartigues, Cécile Delcourt, Cécilia Samieri
INTRODUCTION: Hypovitaminosis D has been associated with several chronic conditions; yet, its association with cognitive decline and the risk of dementia and Alzheimer's disease (AD) has been inconsistent. METHODS: The study population consisted of 916 participants from the Three-City Bordeaux cohort aged 65+, nondemented at baseline, with assessment of vitamin D status and who were followed for up to 12 years. RESULTS: In multivariate analysis, compared with individuals with 25(OH)D sufficiency (n = 151), participants with 25(OH)D deficiency (n = 218) exhibited a faster cognitive decline...
May 9, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28522130/primary-hyperparathyroidism-hypercalciuria-and-bone-recovery-after-parathyroidectomy
#11
Inga-Lena Nilsson, Sophie Norenstedt, Jan Zedenius, Ylva Pernow, Robert Bränström
BACKGROUND: In primary hyperparathyroidism, successful parathyroidectomy leads to improved bone mineral density in the majority of cases. Our aim was to further explore the relationship between hypercalciuria, kidney function, and bone recovery after parathyroidectomy. METHODS: Bone mineral density, estimated glomerular filtration rate, and 24-hour urinary calcium were analyzed before and one year after parathyroidectomy in a cohort of 150 primary hyperparathyroidism patients (119 women; median age 60 [range 30-80] years) taking part in a clinical trial...
May 15, 2017: Surgery
https://www.readbyqxmd.com/read/28519964/association-between-serum-25-hydroxyvitamin-d-and-glycated-hemoglobin-levels-in-type-2-diabetes-patients-with-chronic-kidney-disease
#12
Lee Ling Lim, Yong Muh Ng, Pei San Kang, Soo Kun Lim
AIMS/INTRODUCTION: Vitamin D is suggested to influence glucose homeostasis. An inverse relationship between serum 25-hydroxyvitamin D [25(OH)D] and glycemic control in non-chronic kidney disease (CKD) patients with type 2 diabetes (T2D) was reported. We aimed to examine this association among T2D patients with CKD. MATERIALS AND METHODS: 100 T2D participants with stage 3-4 CKD were recruited. Blood for HbA1c , serum 25(OH)D, renal, and lipid profiles were drawn at enrolment...
May 18, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28516132/life-threatening-hypercalcemia-during-prodrome-of-pneumocystis-jiroveci-pneumonia-in-an-immunocompetent-infant
#13
Judith Sebestyen VanSickle, Tarak Srivastava, Uri S Alon
Severe hypercalcemia in infants is usually attributed to genetic etiologies and less commonly to acquired ones. An 8-week-old girl presented with failure to thrive, mild respiratory distress, and life-threatening hypercalcemia (23.5 mg/dL). Serum 1,25(OH)2-vitamin D (1,25(OH)2-D) level was elevated and parathyroid hormone undetectable. Evaluation for genetic mutations and malignant etiologies of hypercalcemia was negative. Treatment with intravenous hydration, loop diuretic, and calcitonin failed to correct the hypercalcemia, which was subsequently controlled with bisphosphonate therapy...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28515065/neonatal-vitamin-d-status-from-archived-dried-blood-spots-and-future-risk-of-fractures-in-childhood-results-from-the-d-tect-study-a-population-based-case-cohort-study
#14
Mina Nicole Händel, Peder Frederiksen, Arieh Cohen, Cyrus Cooper, Berit Lilienthal Heitmann, Bo Abrahamsen
Background: Whether antenatal and neonatal vitamin D status have clinical relevance in fracture prevention has not been examined extensively, although observational studies indicate that fetal life may be a sensitive period in relation to bone growth and mineralization during childhood.Objective: We examined whether 25-hydroxyvitamin D3 [25(OH)D3] concentrations in stored neonatal dried blood spot (DBS) samples are associated with pediatric fracture risk. We hypothesized that in particular, low neonatal vitamin D status may be a risk factor for fracture incidence among children...
May 17, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28514999/severe-hypovitaminosis-d-in-active-tuberculosis-patients-and-its-predictors
#15
Qiuzhen Wang, Yufeng Liu, Yan Ma, Lei Han, Mei Dou, Yue Zou, Limei Sun, Hong Tian, Tongxia Li, Guofeng Jiang, Baoli Du, Tingyan Kou, Jiaqi Song, Frans J Kok, Evert G Schouten
BACKGROUND & AIMS: Tuberculosis (TB) patients have a significant vitamin D deficiency (VDD) endemic, which may be closely related to the onset and progress of the disease. The comorbidity of diabetes (DM) and TB has posed an increasing challenge in recent years. However, the influence of DM on TB and the possible mechanism are still uncertain. We carried out this study to identify the nutritional status of vitamin D (VD) in TB patients in a northern city in China (latitude 36° N) and investigate the possible predictors of severe vitamin D deficiency (SVDD)...
April 30, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28514663/fatty-acid-oxidation-in-zebrafish-adipose-tissue-is-promoted-by-1%C3%AE-25-oh-2d3
#16
Xuyan Peng, Guohui Shang, Wenqing Wang, Xiaowen Chen, Qiyong Lou, Gang Zhai, Dongliang Li, Zhenyu Du, Yali Ye, Xia Jin, Jiangyan He, Yi Zhang, Zhan Yin
1α,25(OH)2D3 (vitamin D3) is crucial for mineral homeostasis in mammals, but the precise effects of 1α,25(OH)2D3 in adipose tissue remain to be clarified in vivo. The initial 25-hydroxylation is catalyzed by liver microsomal cytochrome P450 2R1 (CYP2R1), which is conserved in vertebrates. To probe the physiological function(s) of 1α,25(OH)2D3 in teleosts, we generated two independent cyp2r1-deficient zebrafish lines. These mutants exhibit retarded growth and increased obesity, especially in the visceral adipose tissue (VAT)...
May 16, 2017: Cell Reports
https://www.readbyqxmd.com/read/28513623/prevalence-of-malnutrition-in-a-cohort-of-509-patients-with-acute-hip-fracture-the-importance-of-a-comprehensive-assessment
#17
M Díaz de Bustamante, T Alarcón, R Menéndez-Colino, R Ramírez-Martín, Á Otero, J I González-Montalvo
Backgrounds/objectives:Malnutrition is very common in acute hip fracture (HF) patients. Studies differ widely in their findings, with reported prevalences between 31 and 88% mainly because of small sample sizes and the use of different criteria. The aim of this study was to learn the prevalence of malnutrition in a large cohort of HF patients in an comprehensive way that includes the frequency of protein-energy malnutrition, vitamin D deficiency and sarcopenia. SUBJECTS/METHODS: A 1-year consecutive sample of patients admitted with fragility HF in a 1300-bed public University Hospital, who were assessed within the first 72 h of admission...
May 17, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28513555/effect-of-low-dose-vitamin-d-supplementation-on-serum-25-oh-d-in-school-children-and-white-collar-workers
#18
Ronghua Zhang, Xiamusiye Muyiduli, Danting Su, Biao Zhou, Yueqiang Fang, Shuying Jiang, Shuojia Wang, Lichun Huang, Minjia Mo, Minchao Li, Bule Shao, Yunxian Yu
OBJECTIVE: Our study aimed to investigate the nutritional vitamin D status of school children aged 9-15 years and white-collar workers in Zhejiang province, and evaluate the efficacy of low-dose-oral vitamin D supplementation in both populations. METHODS: We conducted a prospective controlled trial during March 2014 to November 2015, comparing the efficacy of vitamin D supplements (400 IU/day) with non-intervention for 18 months in school children aged 9-15 years...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28509123/serum-calcitriol-levels-in-a-patient-with-x-linked-hypophosphatemia-complicated-by-autosomal-dominant-polycystic-kidney-disease
#19
Satomi Kajita, Takehisa Yamamoto, Naoko Tsugawa, Hirohumi Nakayama, Takuo Kubota, Toshimi Michigami, Keiichi Ozono
Serum calcitriol [1,25(OH)2D] levels are low normal in the presence of hypophosphatemia in X-linked dominant hypophosphatemic rickets (XLH) due to elevated serum fibroblast growth factor 23 (FGF23) levels. We report a peculiar finding of markedly elevated serum 1,25(OH)2D levels in a patient with XLH complicated by autosomal dominant polycystic kidney disease (ADPKD) and retinitis pigmentosa (RP). She was diagnosed with XLH, ADPKD and RP at the age of 5, 13 and 15 years, respectively. After the diagnosis of ADPKD, the 1,25(OH)2D levels increased up to 282 pg/mL treated with a pharmacological dose of 1αOHD3 (1αOHD3)...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28509078/the-effects-of-vitamin-d-supplementation-on-proatherogenic-inflammatory-markers-and-carotid-intima-media-thickness-in-subjects-with-metabolic-syndrome-a-randomized-double-blind-placebo-controlled-clinical-trial
#20
Shabnam Salekzamani, Abolhassan Shakeri Bavil, Hossein Mehralizadeh, Mohammad Asghari Jafarabadi, Aymaral Ghezel, Bahram Pourghassem Gargari
PURPOSE: Metabolic syndrome may predispose to cardiovascular diseases. Since, in recent studies, vitamin D is advocated for cardioprotective roles, this study was designed to investigate the effects of vitamin D supplementation on proatherogenic inflammatory markers and common carotid intima media thickness in subjects with metabolic syndrome. METHODS: This randomized double blind clinical trial was conducted in Tabriz, Iran. Eligible subjects (n = 80) with metabolic syndrome were recruited thorough advertisement and randomized to receive either vitamin D (50,000 IU/week) or matching placebo for 16 weeks...
May 16, 2017: Endocrine
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