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25(OH)D

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https://www.readbyqxmd.com/read/28239520/association-of-vitamin-d-status-and-clinical-and-radiological-outcomes-in-a-treated-ms-population-in-poland
#1
Sławomir Wawrzyniak, Emilia Mikołajewska, Ewelina Kuczko-Piekarska, Anna Niezgodzińska-Maciejek, Aleksander Goch
BACKGROUND: Vitamin D influences the immune system significantly. Previous studies have found that vitamin D deficiency in adolescence can play a significant role in increasing the risk of developing autoimmune diseases including multiple sclerosis. The aim of this study was to investigate the relationship between the vitamin D status in serum and clinical and radiological outcomes in a treated population in Poland. METHODS: Inclusion criteria met 83 adult patients aged 20-61 years with diagnosis of relapsing-remitting multiple sclerosis, who underwent immunomodulatory treatment which lasted at least 12 months...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28238617/interaction-between-vitamin-d-and-lipoprotein-a-on-the-presence-and-extent-of-coronary-heart-disease
#2
Kuibao Li, Xiyan Yang, Lefeng Wang, Mulei Chen, Li Xu, Xinchun Yang
BACKGROUND: Given both lipoprotein (Lp)(a) and vitamin D have been found to be associated with coronary heart disease (CHD) risk and a biochemical link between vitamin D and cholesterol on atherosclerosis has been proposed, we hypothesised there could exist an interaction between Lp(a) and vitamin D on the severity of CHD. METHODS: Lp(a) and 25-OH vitamin D were measured in the plasma of 348 consecutive patients (mean age 62.4±10.5 years; 56.3% male) undergoing coronary angiography at our Heart Center...
February 6, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28237727/tolerance-to-1-25-dihydroxyvitamin-d3-glycosides-from-solanum-glaucophyllum-by-the-growing-pig
#3
P Schlegel, D Guggisberg, A Gutzwiller
Solanum glaucophyllum leaves contain high levels of glycosidically bound 1,25 dihydroxyvitamin D3, the most important vitamin D metabolite. The tolerance to this source was evaluated during six weeks with fifty weaned pigs fed increasing levels (0, 2.5, 5, 10 and 20μg 1,25(OH)2D3/kg diet). The diet contained, per kg, 9.7g Ca, 3.5g digestible P and 2000IU cholecalciferol. Ten additional pigs were fed a diet containing 1000IU cholecalciferol/kg, without 1,25(OH)2D3. Weekly plasma and final kidney, bone and urinary mineral contents, bone density and breaking strength served as indicators for possible adverse effects of the supplement...
February 16, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28236844/altered-metabolic-homeostasis-between-vitamin-d-and-long-chain-polyunsaturated-fatty-acids-in-preeclampsia
#4
Anindita A Nandi, Nisha S Wadhwani, Sadhana R Joshi
Sub-optimal maternal nutrition may result in pregnancy complications like preeclampsia. Preeclampsia is known to be of placental origin and a major cause of maternal morbidity and mortality worldwide. Our earlier studies suggest that altered metabolism of folic acid, vitamin B12 and long chain polyunsaturated fatty acid (LCPUFAs) in the one carbon cycle increases homocysteine levels in preeclampsia. Recent reports indicate that vitamin D deficiency may also have a role in preeclampsia, although the mechanisms are unclear...
March 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28236525/role-of-serum-adiponectin-and-vitamin-d-in-prediabetes-and-diabetes-mellitus
#5
Anindita Banerjee, Vineet Kumar Khemka, Debashree Roy, Jit Poddar, Tapan Kumar Sinha Roy, Srikanth Arliganur Karnam
OBJECTIVES: The roles of deficient or deranged insulin, adiponectin and 25 hydroxy vitamin D (25[OH]D) levels regulating food intake, energy metabolism, glucose and lipid metabolism and body weight have been reported in the pathogenesis of prediabetes and type 2 diabetes mellitus. However, their congruity in the etiology of diabetes mellitus is unknown. Thus, the aim of the study was to investigate the roles of these parameters together and to establish their interrelationship in patients with prediabetes and diabetes...
February 21, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28231625/experimental-study-on-1-25-oh-2-d3-amelioration-of-oral-lichen-planus-through-regulating-nf-%C3%AE%C2%BAb-signaling-pathway
#6
Jie Du, Ran Li, Feiyan Yu, Fang Yang, Jinhua Wang, Qingyong Chen, Xiangyu Wang, Bin Zhao, Fang Zhang
OBJECTIVE: To explore the protective function of vitamin D (VD)/vitamin D receptor (VDR) on the development of oral lichen planus (OLP) and elaborate the underling mechanism of it. METHODS: H&E staining, myeloid Peroxidase (MPO) assays, quantitative PCR (qPCR), western blotting and Elisa were used to test the human biopsies and serum. QPCR, western blotting, Elisa and siRNA transfection were also performed in LPS-induced keratinocytes to observe the functions of vitamin D and VDR...
February 23, 2017: Oral Diseases
https://www.readbyqxmd.com/read/28231056/temporal-and-regional-variability-in-the-request-of-vitamin-d-from-general-practitioners-in-spain
#7
Maria Salinas, Maite López-Garrigós, Emilio Flores, Carlos Leiva-Salinas
BACKGROUND: Our main goal is to study the inter-practice regional variability and the temporal evolution in the request of 25-hydroxyvitamin D (25[OH]D) by general practitioners (GPs) in Spain. METHODS: Clinical laboratories in different autonomic communities (AACCs) were invited to report the number of 25(OH)D test requested by GPs during 2012 and 2014. The number of 25(OH)D requested per 1000 inhabitants and the index of variability were calculated, and compared between regions and time periods...
February 23, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28231019/pro-inflammatory-cytokines-impair-vitamin-d-induced-host-defense-in-cultured-airway-epithelial-cells
#8
Jasmijn A Schrumpf, Gimano D Amatngalim, Joris B Veldkamp, Renate M Verhoosel, Dennis K Ninaber, Soledad R Ordonez, Anne M van der Does, Henk P Haagsman, Pieter S Hiemstra
Vitamin D is a regulator of host defense against infections and induces expression of the antimicrobial peptide hCAP18/LL-37. Vitamin D deficiency is associated with chronic inflammatory lung diseases and respiratory infections. However, it is incompletely understood if and how (chronic) airway inflammation affects vitamin D metabolism and action. We hypothesized that long-term exposure of primary bronchial epithelial cells (PBEC) to pro-inflammatory cytokines alters their vitamin D metabolism, antibacterial activity and expression of hCAP18/LL-37...
February 23, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28230891/parathyroid-hormone-serum-concentration-in-central-european-patients-with-non-ischemic-heart-failure-as-a-potential-marker-of-disease-severity-and-poor-prognosis
#9
Grzegorz Marcin Kubiak, Agnieszka Kolaszko, Ewa Nowalany-Kozielska
IntroductionParathyroid hormone (PTH) might be considered as a potential marker of disease severity and worse prognosis in heart failure (HF) patients. ObjectivesTo assess PTH, vitamin D, phosphorus (P) and total calcium (Ca2+) serum concentrations in Central European patients suffering from HF of non-ischemic origin compared to non-HF volunteers.To evaluate potential correlations among the enumerated parameters, established markers of worse prognosis and declared sun exposure. Patients and methodsSerum intact-PTH, 25-OH vitamin D, P and total Ca2+ concentrations were assessed in a group of HF patients and non-HF volunteers...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28230890/effect-of-testosterone-replacement-therapy-on-vitamin-d-and-fgf-23-levels-in-congenital-hypogonadism
#10
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Abdullah Taslipinar, Mahmut Ilker Yilmaz, Omer Azal
INTRODUCTION: Patients with hypogonadism are at increased risk of cardiac and metabolic diseases and osteoporosis. Vitamin D and Fibroblast growth factor-23 (FGF-23) play role in the regulation of bone mineral metabolism and endothelial functions. Low vitamin D levels are reported in hypogonadism, while there is no data about the effect of testosterone replacement therapy (TRT). We investigated the effect of TRT on vitamin D and FGF-23 levels along with endothelial functions and insulin resistance in hypogonadal patients...
February 23, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/28229278/consumption-of-vitamin-d-fortified-yogurt-drink-increased-leptin-and-ghrelin-levels-but-reduced-leptin-to-ghrelin-ratio-in-type-2-diabetes-patients-a-single-blind-randomized-controlled-trial
#11
REVIEW
Mina Hajimohammadi, Sakineh Shab-Bidar, Tirang R Neyestani
PURPOSE: This study aimed to evaluate the effect of daily consumption of vitamin D-fortified yogurt drink (doogh) in comparison with plain doogh on appetite-regulating hormones including leptin and ghrelin in type 2 diabetes (T2D) patients. METHODS: In a single blind randomized clinical trial, subjects with T2D were randomly allocated to one of the two groups and received either vitamin D3-fortified doogh (FD; containing 170 mg calcium and 500 IU/250 mL, n 2 = 50) or plain doogh (PD; containing 170 mg calcium and no vitamin D/250 mL, n 1 = 50) twice a day for 12 weeks...
February 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28229097/pediatric-hypovitaminosis-d-molecular-perspectives-and-clinical-implications
#12
Rafiu Ariganjoye
Vitamin D, a secosteroid, is essential for the development and maintenance of healthy bone in both the adult and pediatric populations. Low level of 25-hydroxy vitamin D (25-(OH)-D) is highly prevalent in children worldwide and has been linked to various adverse health outcomes including rickets, osteomalacia, osteomalacic myopathy, sarcopenia, and weakness, growth retardation, hypocalcemia, seizure and tetany, autism, cardiovascular diseases, diabetes mellitus, cancers (prostate, colon, breast), infectious diseases (viral, tuberculosis), and autoimmune diseases, such as multiple sclerosis and Hashimoto's thyroiditis...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28228795/bone-scintigraphy-of-severe-hypercalcemia-following-simvastatin-induced-rhabdomyolysis
#13
Zubair B Mirza, Sophia Hu, Louis F Amorosa
Simvastatin induced rhabdomyolysis with renal failure is a well reported clinical entity with hyperkalemia recognized as a life threatening risk. The risk of delayed hypercalcemia during the recovery of renal function is not well appreciated as this varies in severity and can be caused by multiple mechanisms. We present a patient with high dose simvastatin induced rhabdomyolysis leading to late onset of severe hypercalcemia due to calcium phosphate deposition in muscles diagnosed by distinctive bone scintigraphy...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228790/successful-neridronate-therapy-in-pregnancy-associated-osteoporosis
#14
Agostino Gaudio, Carmelo Erio Fiore
Pregnancy-associated osteoporosis is a rare condition. The pathogenesis is probably multifactorial but has not yet been completely clarified. In this case report, a 38-year-old woman was referred to hospital after suffering an acute, non-traumatic back pain one month after delivering her first child. The radiological examination revealed four vertebral fractures. Bone mineral density was reduced, particularly at spine level. Biochemical tests were within normal range, except for increased urinary deoxypyridinoline and a slight reduction of the serum 25-OH vitamin D level...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228421/randomized-clinical-trial-in-vitamin-d-deficient-adults-comparing-replenishment-with-oral-vitamin-d3-with-narrow-band-uv-type-b-light-effects-on-cholesterol-and-the-transcriptional-profiles-of-skin-and-blood
#15
Manish P Ponda, Yupu Liang, Jaehwan Kim, Richard Hutt, Kathleen Dowd, Patricia Gilleaudeau, Mary M Sullivan-Whalen, Tori Rodrick, Dong Joo Kim, Irina Barash, Michelle A Lowes, Jan L Breslow
Background: Vitamin D deficiency, defined as a serum 25-hydroxyvitamin D [25(OH)D] concentration <20 ng/mL, is correlated with a more atherogenic lipid profile. However, oral vitamin D supplementation does not lower LDL-cholesterol concentrations or raise HDL-cholesterol concentrations. This uncoupling between association and causation may result from a failure of oral vitamin D to mimic the effect of dermally synthesized vitamin D in response to ultraviolet type B (UVB) light.Objective: We tested the hypothesis that, in vitamin D-deficient adults, the replenishment of vitamin D with UVB exposure would lower LDL-cholesterol concentrations compared with the effect of oral vitamin D3 supplementation...
February 22, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28228242/effect-of-vitamin-d-deficiency-on-the-laryngo-pharyngeal-tract
#16
Abdul-Latif Hamdan, Ghina Fakhri, Ghassan Haddad, Gabriel Dunya, Doja Sarieddine, Bilal Turfe, Georges Tabet, Sami Azar
OBJECTIVE: To investigate the effect of vitamin D deficiency on the laryngopharyngeal tract. STUDY DESIGN: Prospective cohort study. SETTING: Tertiary care center. SUBJECTS AND METHODS: A total of 38 human subjects were prospectively recruited, equally divided into two groups. The Vitamin D deficiency group defined as 25-OH<25ng/dl and the control subjects with normal vitamin D level defined as 25-OH>25ng/dl. The presence and severity of vocal tract symptoms was assessed using the Vocal Tract Discomfort score...
February 13, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28223230/myotoxicity-of-statins-mechanism-of-action
#17
REVIEW
Patrick du Souich, Ghislaine Roederer, Robert Dufour
Statins are effective drugs to reduce cardiovascular events secondary to dyslipidemia; however, they cause frequent undesirable side effects. The incidence of statin-induced myotoxicity (SIM) is presented by 7 to 29% of patients, depending upon the report. SIM may develop in presence of abnormally high concentrations of statins in the myocyte and/or in presence of muscular conditions that may predispose to SIM. High concentrations of statins in the myocyte may occur whenever the activity of liver influx membrane transporters, namely OATP1B1, of drug metabolizing enzymes, and of liver and muscular efflux transporters, MDR1 and BCRP, is reduced...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28222207/impact-of-the-type-of-dialysis-membranes-on-the-circulating-concentration-of-markers-of-vitamin-d-metabolism
#18
Etienne Cavalier, Pablo U Torres, Bernard E Dubois, Nicole Smelten, Hans Pottel, Jean-Marie Krzesinski, Pierre Delanaye
INTRODUCTION: Kidney Disease Improving Global Outcomes (KDIGO) guidelines recommend vitamin D supplementation in hemodialyzed patients to monitor 25(OH)-vitamin D 25(OH)D levels. However, patient-to-patient inconsistency can be observed in response to the treatment. In this study, we aimed to evaluate the impact of the dialysis membrane on 25(OH)D, albumin (Alb) and vitamin D-binding protein (VDBP), the major players of vitamin D transport and storage. MATERIAL AND METHODS: Alb (Cobas), VDBP (R&D) and 25(OH)D (liquid chromatography-tandem mass spectrometry) were measured in 75 patients before and after a 4-hour dialysis session...
February 18, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28220196/the-associations-between-serum-25-hydroxyvitamin-d-level-and-the-risk-of-total-fracture-and-hip-fracture
#19
Y Feng, G Cheng, H Wang, B Chen
: In this meta-analysis, we evaluated the association between serum 25-hydroxyvitamin D (25(OH) vitamin D) level and the risk of total fractures and hip fractures. Low serum 25(OH) vitamin D level is associated with an increased risk of total and hip fractures. INTRODUCTION: Data on the association between serum 25(OH) vitamin D level and the risk of fractures are conflicting. This study aimed to provide a summary of prospective cohort or nested case-control studies on the association between serum 25(OH) vitamin D level and the risk of total fractures and hip fractures...
February 20, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28219093/-impact-of-vitamin-d-in-sports-does-vitamin-d-insufficiency-compromise-athletic-performance
#20
Sebastian Butscheidt, Tim Rolvien, Peter Ueblacker, Michael Amling, Florian Barvencik
: Introduction Vitamin D is essential for calcium homeostasis and regulates the expression of over 900 genes. It thereby influences musculoskeletal health and function. Additionally, multiple other effects were observed through the detection of vitamin D receptors (VDR) in numerous tissues of the human body. Material and Methods We reviewed the literature regarding evidence of the impact of vitamin D on musculoskeletal health and peak athletic performance. Results and Discussion It is well known that there is a high prevalence of vitamin D deficiency in the average European population...
February 20, 2017: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
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