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25-OH-Vitamin-D

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https://www.readbyqxmd.com/read/27930936/sunlight-exposure-increases-vitamin-d-sufficiency-in-growing-pigs-fed-a-diet-formulated-to-exceed-requirements
#1
B M Alexander, B C Ingold, J L Young, S R Fensterseifer, P J Wechsler, K J Austin, D E Larson-Meyer
Traditional confinement practices limit exposure to sunlight and vitamin D synthesis, and vitamin insufficiency occurs even with dietary supplementation. The aim of this study was to determine the effect of limited sun exposure on serum concentration of vitamin D and the expression of vitamin D synthesizing enzymes in the liver and kidney of pigs on a vitamin D sufficient diet. White-pigmented grower pigs (29.7 ± 2.3 kg) fed 15% CP diet ad libitum providing >1,200 IU vitamin D3/kg of feed were exposed to sunlight for 1 h each day at solar noon for 14 d at the spring equinox (March pigs, n = 10) or summer solstice (June pigs, n = 5) and again before slaughter in June (March pigs) and September (June pigs)...
November 11, 2016: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/27927883/serum-25-oh-vitamin-d-level-in-treatment-na%C3%A3-ve-systemic-lupus-erythematosus-patients-relation-to-disease-activity-il-23-and-il-17
#2
D Shahin, R M El-Farahaty, M E Houssen, S A Machaly, M Sallam, T O ElSaid, N O Neseem
OBJECTIVES: The aim of this study was to assess the vitamin D status in treatment-naïve SLE patients and its association with clinical and laboratory markers of disease activity, including serum levels of IL-17 and IL-23. METHODS: Fifty-seven treatment-naïve SLE patients along with 42 matched controls were included. SLEDAI score was used to estimate disease activity. Serum levels of 25(OH) D, IL-17 and IL-23 were measured. RESULTS: The median level of 25(OH) D in SLE patients (40...
December 7, 2016: Lupus
https://www.readbyqxmd.com/read/27927849/the-effect-of-serum-vitamin-d-levels-on-ovarian-reserve-markers-a-prospective-cross-sectional-study
#3
Panagiotis Drakopoulos, Arne van de Vijver, Valerie Schutyser, Stevan Milatovic, Ellen Anckaert, Johan Schiettecatte, Christophe Blockeel, Michel Camus, Herman Tournaye, Nikolaos P Polyzos
STUDY QUESTION: Is there any association between serum 25-OH vitamin D levels and ovarian reserve markers in infertile women? SUMMARY ANSWER: Vitamin D is not associated with the ovarian reserve markers, anti-mullerian hormone (AMH) and antral follicle count (AFC), in infertile women. WHAT IS KNOWN ALREADY: The mechanism underlying the relationship between vitamin D deficiency and reproduction is still unclear; however, evidence indicates a potential direct negative impact on ovarian function...
December 6, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27921091/the-relationship-between-serum-vitamin-d-level-and-premenstrual-syndrome-in-iranian-women
#4
Samira Rajaei, Azadeh Akbari Sene, Sara Norouzi, Yasrin Berangi, Sahereh Arabian, Parvaneh Lak, Ali Dabbagh
BACKGROUND: Premenstrual syndrome (PMS) is among the most unfavorable problems in women in reproductive age; however its pathophysiology is still not fully confirmed. Vitamin D as an immunomodulator could prevent inflammatory state before and during menstruation. OBJECTIVE: The aim was to investigate whether there is any relationship between serum vitamin D levels and PMS. MATERIALS AND METHODS: In total, 82 women participate in this case-control study which was conducted in Shahid Akbar-abadi hospital from November 2013 to March 2015...
October 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/27888359/low-25-oh-vitamin%C3%A2-d-levels-reflect-hepatic-dysfunction-and-are-associated-with-mortality-in-patients-with-liver-cirrhosis
#5
Rafael Paternostro, Doris Wagner, Thomas Reiberger, Mattias Mandorfer, Remy Schwarzer, Monika Ferlitsch, Michael Trauner, Markus Peck-Radosavljevic, Arnulf Ferlitsch
BACKGROUND AND AIMS: Vitamin D deficiency is frequent in patients with cirrhosis. The aims of this study were to evaluate the relation of vitamin D status to portal hypertension, degree of liver dysfunction and survival. METHODS: Patients with cirrhosis who have been tested for 25-OH-vitamin D levels were retrospectively included. Vitamin D deficiency was defined as 25-OH-vitamin D levels <10 ng/ml. Child-Pugh score, model for end-stage liver disease (MELD) and available hepatic venous pressure gradient (HVPG) were recorded...
November 25, 2016: Wiener Klinische Wochenschrift
https://www.readbyqxmd.com/read/27887681/bone-accrual-in-males-with-autism-spectrum-disorder
#6
Ann M Neumeyer, Natalia Cano Sokoloff, Erin McDonnell, Eric A Macklin, Christopher J McDougle, Madhusmita Misra
OBJECTIVE: To test the hypothesis that bone accrual over a 4-year period is reduced in boys with autism spectrum disorder (ASD) compared with typically developing controls. STUDY DESIGN: Twenty-five boys with ASD and 24 controls were assessed for bone outcomes. Fourteen boys with ASD and 11 controls were assessed both at baseline and after 4 years. The mean subject age was 11.0 ± 1.6 years at study initiation and 14.9 ± 1.6 years at follow-up. Bone mineral density (BMD) was measured at the spine, hip, and whole body using dual-energy X-ray absorptiometry and normalized for age, race, and sex (BMD z-scores)...
November 22, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27874274/differential-association-between-sarcopenia-and-metabolic-phenotype-in-korean-young-and-older-adults-with-and-without-obesity
#7
You-Cheol Hwang, In-Jin Cho, In-Kyung Jeong, Kyu Jeung Ahn, Ho Yeon Chung
OBJECTIVE: To determine whether sarcopenia was associated with metabolic phenotype in subjects with and without obesity. METHODS: A total of 6,021 participants (2,592 men, 3,429 women) aged 30 to 93 years were assessed using data from the 2009 Korea National Health and Nutrition Examination Survey. Sarcopenia was defined as appendicular skeletal muscle mass divided by weight (%) that is <1 SD below the sex-specific mean for young adults. Metabolically unhealthy was defined as ≥2 components of metabolic syndrome or the presence of hypertension, diabetes, or cardiovascular disease...
November 22, 2016: Obesity
https://www.readbyqxmd.com/read/27871812/effects-of-roux-en-y-gastric-bypass-and-sleeve-gastrectomy-on-bone-mineral-density-and-marrow-adipose-tissue
#8
Miriam A Bredella, Logan B Greenblatt, Alireza Eajazi, Martin Torriani, Elaine W Yu
Bariatric surgery is associated with bone loss but skeletal consequences may differ between Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG), the two most commonly performed bariatric procedures. Furthermore, severe weight loss is associated with high marrow adipose tissue (MAT); however, MAT is also increased in visceral adiposity. The purpose of our study was to determine the effects of RYGB and SG on BMD and MAT. We hypothesized that both bariatric procedures would lead to a decrease in BMD and MAT...
November 15, 2016: Bone
https://www.readbyqxmd.com/read/27867307/adequate-vitamin-d-intake-but-low-serum-levels-in-pediatric-asthma-patients-a-pilot-study-alberta-children-s-hospital
#9
Sarah Howe McKenna, Tanis R Fenton, Mary Noseworthy, Mark Anselmo
Background. We assessed vitamin D intakes and serum 25(OH) vitamin D levels in pediatric asthma patients on moderate-to-high dose inhaled steroids and compared them to published findings of healthy children in our city. Methods. Parents and/or patients were interviewed to estimate the children's vitamin D intakes from foods and supplements (using an adapted validated food frequency questionnaire) and asthma duration and management. Vitamin D status: serum 25-hyroxy vitamin D (25(OH)D) was obtained from the medical records...
2016: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/27866273/omeprazole-suppressed-plasma-magnesium-level-and-duodenal-magnesium-absorption-in-male-sprague-dawley-rats
#10
Narongrit Thongon, Jirawat Penguy, Sasikan Kulwong, Kanyanat Khongmueang, Matthana Thongma
Hypomagnesemia is the most concerned side effect of proton pump inhibitors (PPIs) in chronic users. However, the mechanism of PPIs-induced systemic Mg(2+) deficit is currently unclear. The present study aimed to elucidate the direct effect of short-term and long-term PPIs administrations on whole body Mg(2+) homeostasis and duodenal Mg(2+) absorption in rats. Mg(2+) homeostasis was studied by determining the serum Mg(2+) level, urine and fecal Mg(2+) excretions, and bone and muscle Mg(2+) contents. Duodenal Mg(2+) absorption as well as paracellular charge selectivity were studied...
November 2016: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/27863211/comparison-of-two-methods-for-measuring-25-oh-vitamin-d-in-the-follow-up-of-patients-after-bilio-pancreatic-diversion-bariatric-surgery
#11
Ahlem Chouiali, Pierre-Luc Mallet, Guy Fink, Simon Biron, Marie-France Langlois
OBJECTIVE: Our objective was to compare the ECLIA from Roche versus the LC-MS/MS method for quantitation of serum 25-hydroxy-vitamin D in patients who have undergone bariatric surgery. DESIGN AND METHODS: Cross-sectional and correlational studies were performed on three different groups for the 25-OH-D levels quantitated by both methods. The control group of apparently healthy subjects was randomly selected in a clinical chemistry laboratory. Test groups were patients who had undergone bilio-pancreatic diversion (BPD) and were supplemented either with vitamin D2 or with vitamin D3...
November 15, 2016: Clinical Biochemistry
https://www.readbyqxmd.com/read/27852903/effects-of-teriparatide-compared-with-risedronate-on-recovery-after-pertrochanteric-hip-fracture-results-of-a-randomized-active-controlled-double-blind-clinical-trial-at-26-weeks
#12
Per Aspenberg, Jorge Malouf, Umberto Tarantino, Pedro A García-Hernández, Costantino Corradini, Søren Overgaard, Jan J Stepan, Lars Borris, Eric Lespessailles, Frede Frihagen, Kyriakos Papavasiliou, Helmut Petto, José Ramón Caeiro, Fernando Marin
BACKGROUND: Osteoporosis drugs might affect fracture-healing. We therefore studied the effects of teriparatide in comparison with risedronate on recovery after pertrochanteric hip fractures. METHODS: The study was a randomized, multicenter, active-controlled, 78-week trial comparing teriparatide (20 μg/day) with risedronate (35 mg/week) initiated within 2 weeks after fixation of a low-trauma pertrochanteric hip fracture (AO/OTA 31-A1 or 31-A2). The main inclusion criteria were a bone mineral density T-score of ≤-2...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27849379/lower-serum-25-hydroxyvitamin-d-is-associated-with-obesity-but-not-common-chronic-conditions-an-observational-study-of-african-american-and-caucasian-male-veterans
#13
Jacqueline L Cartier, Subhash C Kukreja, Elena Barengolts
Objective The study examined whether vitamin D insufficiency is a predictor of prevalent and/or incident common chronic conditions in African American men (AAM) and Caucasian men (CAM). Methods 1,017 men were recruited at an urban VA medical center and followed prospectively for a mean of 5.4 years. Prevalent and incident chronic conditions evaluated were: obesity, type 2 diabetes (T2D), cancer, depression, dementia, and cardiovascular disease (CVD, including coronary artery disease [CAD], cerebrovascular accident [CVA], and congestive heart failure [CHF])...
November 16, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27833924/vitamin-d-deficiency-in-critically-ill-patients-with-traumatic-injuries
#14
Roland N Dickerson, Jonathan R Van Cleve, Joseph M Swanson, George O Maish, Gayle Minard, Martin A Croce, Rex O Brown
BACKGROUND: Vitamin D depletion has been associated with increased rate of infections, lengthened hospital stay, and worsened mortality for critically ill patients. The purpose of this study was to evaluate the prevalence and variables associated with vitamin D deficiency in critically ill patients with severe traumatic injuries. METHODS: Critically ill adult patients admitted to the trauma intensive care unit (ICU) between June 2013 and June 2014, referred to the nutrition support service for enteral or parenteral nutrition, and had a serum 25-hydroxyvitamin D (25-OH vitamin D) concentration determination were retrospectively evaluated...
2016: Burns and trauma
https://www.readbyqxmd.com/read/27792659/serum-total-25-oh-vitamin-d-adds-little-prognostic-value-in-patients-undergoing-coronary-catheterization
#15
Michael E Gerling, Matthew T James, Stephen B Wilton, Christopher Naugler, Danielle A Southern, P Diane Galbraith, Merril Knudtson, Lawrence de Koning
BACKGROUND: Vitamin D deficiency is associated with an increased risk of cardiovascular disease; however, it is unclear whether vitamin D status should be considered in clinical risk assessments of patients with cardiovascular disease. METHODS AND RESULTS: This study included 2975 patients who had their first serum total 25-hydroxy vitamin D (25-OH vitamin D) measurement before their first coronary catheterization in Alberta, Canada. Cox regression was used to examine associations between 25-OH vitamin D and mortality risk after adjusting for demographic and clinical risk factors...
October 21, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27787773/bone-metabolism-in-patients-with-anorexia-nervosa-and-amenorrhoea
#16
L Idolazzi, M El Ghoch, R Dalle Grave, P V Bazzani, S Calugi, S Fassio, C Caimmi, O Viapiana, F Bertoldo, V Braga, M Rossini, D Gatti
PURPOSE: Aim of this study is focusing on bone metabolism in AN patients with amenorrhoea and related estrogen deficiency effects. METHODS: AN patients were compared both with healthy females and with postmenopausal women (reference model for estrogen deficiency). The study sample included 81 females with AN. Laboratory tests [25-OH vitamin D, bone turnover markers, intact parathyroid hormone, sclerostin (SOST) and dickkopf-related protein (DKK1)] and dual energy X-ray absorptiometry (DXA) were taken into account...
October 27, 2016: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/27766084/vitamin-d-deficiency-in-adult-patients-with-schizophreniform-and-autism-spectrum-syndromes-a-one-year-cohort-study-at-a-german-tertiary-care-hospital
#17
Dominique Endres, Rick Dersch, Oliver Stich, Armin Buchwald, Evgeniy Perlov, Bernd Feige, Simon Maier, Andreas Riedel, Ludger Tebartz van Elst
INTRODUCTION: Vitamin D has many immunomodulatory, anti-inflammatory, and neuroprotective functions, and previous studies have demonstrated an association between vitamin D deficiency and neuropsychiatric disease. The aim of our study was to analyze the prevalence of vitamin D deficiency in a 1-year cohort of adult inpatients with schizophreniform and autism spectrum syndromes in a naturalistic inpatient setting in Germany. PARTICIPANTS AND METHODS: Our study was comprised of 60 adult schizophreniform and 23 adult high-functioning autism spectrum patients who were hospitalized between January and December of 2015...
2016: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/27752482/vitamin-d-deficiency-bone-turnover-markers-and-causative-factors-among-adolescents-a-cross-sectional-study
#18
Bagher Larijani, Arash Hossein-Nezhad, Elham Feizabad, Zhila Maghbooli, Hossein Adibi, Majid Ramezani, Eghbal Taheri
BACKGROUND: This cross-sectional population-based study was conducted to elucidate the prevalence of vitamin D deficiency, bone turnover marker's variation and its influencing factors among adolescents of Tehran. METHODS: Totally 444 middle and high school (53.6 % in high school) students (both girls and boys) were recruited. A short food frequency questionnaire designed to estimate dietary calcium and vitamin D consumption. Serum levels of calcium, phosphorus, parathyroid hormone (PTH), bone specific alkaline phosphates, 25 (OH) vitamin D, osteocalcin, cross-linked C-telopeptide (CTX), total protein, albumin and creatinine were determined...
2016: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/27743017/longitudinal-evaluation-of-bone-mineral-density-and-bone-metabolism-markers-in-patients-with-indolent-systemic-mastocytosis-without-osteoporosis
#19
A Artuso, C Caimmi, G Tripi, O Viapiana, M Bonifacio, L Idolazzi, I Gavioli, D Gatti, R Zanotti, M Rossini
Systemic Mastocytosis has been long identified as a potential cause of osteoporosis; nevertheless, data regarding longitudinal variation of bone mineral density (BMD) in patients with indolent systemic mastocytosis (ISM) are missing . We studied BMD variation at lumbar spine and proximal hip after 30-month (±6 months) follow-up in a large cohort of patients (83) with ISM without osteoporosis, supplementated with vitamin D and/or calcium when needed. We also analyzed the correlation between variation of BMD, basal serum tryptase levels and bone turnover markers (BTM)...
October 14, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27732331/high-sclerostin-and-dickkopf-1-dkk-1-serum-levels-in-children-and-adolescents-with-type-1-diabetes-mellitus
#20
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
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