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Vitamin-D

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https://www.readbyqxmd.com/read/28635660/diverse-regulation-of-vitamin-d-receptor-gene-expression-by-1-25-dihydroxyvitamin-d-and-atra-in-murine-and-human-blood-cells-at-early-stages-of-their-differentiation
#1
Sylwia Janik, Urszula Nowak, Agnieszka Łaszkiewicz, Anastasiia Satyr, Michał Majkowski, Aleksandra Marchwicka, Łukasz Śnieżewski, Klaudia Berkowska, Marian Gabryś, Małgorzata Cebrat, Ewa Marcinkowska
Vitamin D receptor (VDR) is present in multiple blood cells, and the hormonal form of vitamin D, 1,25-dihydroxyvitamin D (1,25D) is essential for the proper functioning of the immune system. The role of retinoic acid receptor α (RARα) in hematopoiesis is very important, as the fusion of RARα gene with PML gene initiates acute promyelocytic leukemia where differentiation of the myeloid lineage is blocked, followed by an uncontrolled proliferation of leukemic blasts. RARα takes part in regulation of VDR transcription, and unliganded RARα acts as a transcriptional repressor to VDR gene in acute myeloid leukemia (AML) cells...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28635642/lack-of-association-between-serum-vitamin-b%C3%A2-vitamin-b12-and-vitamin-d-levels-with-different-types-of-glaucoma-a-systematic-review-and-meta-analysis
#2
Shengjie Li, Danhui Li, Mingxi Shao, Wenjun Cao, Xinghuai Sun
Although vitamins play a major role in health, and their deficiency may be linked to symptoms of optic-nerve dysfunction, the association between serum vitamin levels and glaucoma in humans remains controversial. In this study, articles in the PubMed, Web of Science, and EMBASE databases were searched up to 25March 2017. Nine studies on primary open-angle glaucoma (POAG), four studies on normal tension glaucoma (NTG), and six studies on exfoliative glaucoma (EXG) were retrieved. The combined results showed no differences in the levels of serum vitamin B₆ between POAG (p = 0...
June 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28634697/in-psoriatic-arthritis-dkk-1-and-pth-are-lower-than-in-rheumatoid-arthritis-and-healthy-controls
#3
Angelo Fassio, Luca Idolazzi, Ombretta Viapiana, Camilla Benini, Elisabetta Vantaggiato, Francesco Bertoldo, Maurizio Rossini, Davide Gatti
Psoriatic Arthritis (PsA) is characterized by bone erosive damage often associated with exuberant bone formation especially in enthesial sites. Dkk-1 and sclerostin are the main inhibitors of the WNT/β-catenin signaling pathway and play a key role in the regulation of both bone formation and resorption. We performed this study in order to compare the serum levels of the WNT-pathway regulators along with bone turnover markers (BTM) and parathyroid hormone (PTH) between three different groups: one group of female patients affected by PsA, one group of female patients affected by rheumatoid arthritis (RA), and healthy female controls (HC)...
June 20, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28634538/prevalence-and-clinical-impact-of-vitamin-d-deficiency-on-abdominal-tuberculosis
#4
Vishal Sharma, Harshal S Mandavdhare, Amit Kumar, Ravi Sharma, Naresh Sachdeva, Kaushal K Prasad, Surinder S Rana
BACKGROUND: Vitamin D is recognised to have multiple actions, including role in immune modulation. The prevalence and impact of vitamin D deficiency (VDD) in abdominal tuberculosis is unknown. METHODS: We report the prevalence and clinical impact of VDD in patients with abdominal tuberculosis. The patients were divided into two groups: VDD (<20 ng/ml) or vitamin D sufficient (VDS) (⩾20 ng/ml). Groups were compared for extent (abdominal alone or extra-abdominal also) of disease and pattern of involvement (intestinal, peritoneal or both) and inflammatory response [serum C-reactive protein (CRP)]...
May 2017: Therapeutic Advances in Infectious Disease
https://www.readbyqxmd.com/read/28634113/vitamin-d3-supplementation-attenuates-the-early-stage-of-mouse-hepatocarcinogenesis-promoted-by-hexachlorobenzene-fungicide
#5
Guilherme R Romualdo, Renata L Goto, Ana A H Fernandes, Bruno Cogliati, Luis F Barbisan
Hexachlorobezene (HCB), a fungicide widely distributed in the environment, promotes the development of hepatocellular preneoplastic lesions (PNL) and tumors in rodents. In contrast, vitamin D3 (VD3) supplementation presents a potential role for the prevention/treatment of chronic liver diseases. Thus, we investigated whether VD3 supplementation attenuates the early stage of HCB-promoted hepatocarcinogenesis. Female Balb/C mice were injected a single dose of diethylnitrosamine (DEN, 50 mg/kg) at postnatal day 15...
June 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28632934/a-prospective-microbiome-wide-association-study-of-food-sensitization-and-food-allergy-in-early-childhood
#6
Jessica H Savage, Kathleen A Lee-Sarwar, Joanne Sordillo, Supinda Bunyavanich, Yanjiao Zhou, George O'Connor, Megan Sandel, Leonard Bacharier, Robert Zeiger, Erica Sodergren, George M Weinstock, Diane R Gold, Scott T Weiss, Augusto A Litonjua
BACKGROUND: Alterations in the intestinal microbiome are prospectively associated with the development of asthma; less is known regarding the role of microbiome alterations in food allergy development. METHODS: Intestinal microbiome samples were collected at age 3-6 months in children participating in the follow-up phase of an interventional trial of high dose Vitamin D given during pregnancy. At age 3, sensitization to foods (milk, egg, peanut, soy, wheat, walnut) was assessed...
June 20, 2017: Allergy
https://www.readbyqxmd.com/read/28632857/trends-in-use-of-high-dose-vitamin-d-supplements-exceeding-1000-or-4000-international-units-daily-1999-2014
#7
Mary R Rooney, Lisa Harnack, Erin D Michos, Rachel P Ogilvie, Christopher T Sempos, Pamela L Lutsey
No abstract text is available yet for this article.
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28632174/fluorescence-analysis-of-vitamin-d-receptor-status-of-circulating-tumor-cells-ctcs-in-breast-cancer-from-cell-models-to-metastatic-patients
#8
Xi Zhang, Simone Hofmann, Brigitte Rack, Nadia Harbeck, Udo Jeschke, Sophie Sixou
The Vitamin D receptor (VDR) expressed in normal breast tissue and breast tumors has been suggested as a new prognostic biomarker in breast cancer (BC). Besides, increasing evidence supports the view that the detection of circulating tumor cells (CTCs) predicts outcome in early and metastatic BC. Consequently, an evaluation of VDR expression in the CTCs of BC patients may allow optimization of their treatment. As an attempt to profile and subtype the CTCs of metastatic patients, we established an innovative fluorescence technique using nine BC cell lines to visualize, define, and compare their individual VDR status...
June 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28631133/bone-density-in-pediatric-crohn-s-disease-a-cross-sectional-observation-from-south-india
#9
Shiraz Salim Khan, Sagar S Patil
BACKGROUND: Crohn's disease (CD) frequently manifests in the second and third decades of life. Malnutrition and corticosteroid therapy may affect bone mineralization and delay bone growth. Our aim was to study bone mineral density and factors associated low bone mineral density (BMD) in pediatric CD. METHODS: A cross-sectional observational study in children with CD (aged 5 to <18 years) was done. Demographic and treatment details were noted. Vitamin D levels <20 ng/mL were considered as deficiency...
June 20, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28629885/-prevalence-of-osteoporosis-estimation-of-probability-of-fracture-and-bone-metabolism-study-in-patients-with-newly-diagnosed-prostate-cancer-in-the-health-area-of-lugo
#10
Jonatan Miguel-Carrera, Carlos García-Porrua, Francisco Javier de Toro Santos, Jose Antonio Picallo-Sánchez
OBJECTIVE: To study the prevalence of osteoporosis and fracture probability in patients diagnosed with prostate cancer. DESIGN: Observational descriptive transversal study. SITE: Study performed from Primary Care of Lugo in collaboration with Rheumatology and Urology Services of our referral hospital. PARTICIPANTS: Patients diagnosed with prostate cancer without bone metastatic disease from January to December 2012. MAIN MEASUREMENTS: Epidemiologic, clinical, laboratory and densitometric variables involved in osteoporosis were collected...
June 16, 2017: Atencion Primaria
https://www.readbyqxmd.com/read/28629804/zero-order-controlled-release-delivery-of-cholecalciferol-from-injectable-biodegradable-microsphere-in-vitro-characterization-and-in-vivo-pharmacokinetic-studies
#11
Lalit Vora, Sita V G, Pradeep Vavia
Poly(lactic-co-glycolic acid) microspheres loaded with cholecalciferol (CL), more bioactive form of vitamin D was developed as an injectable controlled drug release system and was evaluated for its feasibility of once a month delivery. The CL loaded microspheres (CL-MS) were prepared by simple oil in water (O/W) emulsion-solvent evaporation technique incorporated with a stabilizer, Tocopherol Succinate (TS). Different formulation as well as process parameters were investigated namely concentration of emulsifier, concentration of stabilizer and drug: polymer mass ratios...
June 16, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28629765/study-on-the-relationship-between-vitamin-d-deficiency-and-susceptibility-to-spinal-tuberculosis
#12
Liang Tang, Shen Liu, Yu-Cheng Bao, Rui-Xiao Gao, Chen-Fu Han, Xiao-Chen Sun, Wen-Long Zhang, Shi-Qing Feng
OBJECTIVE: To investigate the effect of vitamin D deficiency on susceptibility to spinal tuberculosis and its pathological development. METHODS: A case-control design was used in this study. A total of 163 treatment-naïve patients with spinal tuberculosis admitted to this institute for an operation from June 2013 to May 2016 were included in the case group, and 170 subjects who received a health examination in the same hospital were included in the control group...
June 16, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28629584/association-of-vitamin-d-intake-and-serum-levels-with-fertility-results-from-the-lifestyle-and-fertility-study
#13
June L Fung, Terryl J Hartman, Rosemary L Schleicher, Marlene B Goldman
OBJECTIVE: To evaluate the role of vitamin D intake and serum levels on conception of clinical pregnancy and live birth. DESIGN: Prospective cohort study. SETTING: Academic medical centers. PATIENT(S): Healthy, nulliparous women, age 18-39 years, and their male partners. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Clinical pregnancy and live birth were compared between those who did or did not meet the vitamin D estimated average requirement (EAR) intake (10 μg/d) and with serum 25-hydroxyvitamin D (25(OH)D) considered at risk for inadequacy or deficiency (<50 nmol/L) or sufficient (≥50 nmol/L)...
June 16, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28629326/cardiac-tissue-oxidative-stress-and-inflammation-after-vitamin-d-administrations-in-high-fat-diet-induced-obese-rats
#14
Mahdieh Abbasalizad Farhangi, Ghazaleh Nameni, Ghazaleh Hajiluian, Mehran Mesgari-Abbasi
BACKGROUND: Obesity is associated with numerous metabolic and inflammatory disorders. The current study was aimed to evaluate the effects of vitamin D administration on the markers of oxidative stress and inflammation in the cardiac tissue of high-fat diet induced obese rats. METHODS: In the beginning of the study, 40 male Wistar rats were divided into two groups: normal diet (ND) and high fat diet (HFD) for 16 weeks; then each group subdivided into two groups including: ND, ND + vitamin D, HFD and HFD + vitamin D...
June 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28629132/effects-of-vitamin-d-supplementation-on-igf-1-and-calcitriol-a-randomized-controlled-trial
#15
Christian Trummer, Verena Schwetz, Marlene Pandis, Martin R Grübler, Nicolas Verheyen, Martin Gaksch, Armin Zittermann, Winfried März, Felix Aberer, Angelika Lang, Claudia Friedl, Andreas Tomaschitz, Barbara Obermayer-Pietsch, Thomas R Pieber, Stefan Pilz, Gerlies Treiber
Increasing evidence suggests a possible interaction between vitamin D and insulin-like growth factor-1 (IGF-1). We aimed to investigate effects of vitamin D supplementation on IGF-1 (primary outcome) and calcitriol (1,25(OH)₂D) concentrations (secondary outcome). This is a post-hoc analysis of the Styrian Vitamin D Hypertension Trial-a single-center, double-blind, randomized, placebo-controlled trial (RCT) conducted from 2011 to 2014 at the Medical University of Graz, Austria. Two-hundred subjects with arterial hypertension and 25(OH)D concentrations <30 ng/mL were randomized to either receive 2800 IU of vitamin D daily or placebo for eight weeks...
June 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28628759/do-infants-with-cow-s-milk-protein-allergy-have-inadequate-levels-of-vitamin-d
#16
Cristiane M Silva, Silvia A da Silva, Margarida M de C Antunes, Gisélia Alves Pontes da Silva, Emanuel Sávio Cavalcanti Sarinho, Kátia G Brandt
OBJECTIVE: To verify whether infants with cow's milk protein allergy (CMPA) have inadequate vitamin D levels. METHODS: This cross-sectional study included 120 children aged 2 years or younger, one group with CMPA and a control group. The children were recruited at the pediatric gastroenterology, allergology, and pediatric outpatient clinics of a university hospital in the Northeast of Brazil. A questionnaire was administered to the caregiver and blood samples were collected for vitamin D quantification...
June 16, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28628680/current-perspectives-among-u-s-dermatologists-on-chemoprevention-of-nonmelanoma-skin-cancer-a-survey-based-study
#17
Brittany Oliver, Serena Durrani, Joel L Cohen, Adam J Friedman
<p>Introduction: Nonmelanoma skin cancer (NMSC) is the most common malignancy in the US Primary prevention of NMSC with physical photoprotective measures are often not sufficient to impact skin cancer incidence in high-risk individuals. Chemoprevention is the use of agents to prevent, suppress, and reverse carcinogenic progression. Many agents have been investigated, but preclinical and clinical studies are often inconsistent.</p> <p>Methods: A cross-sectional study was designed to assess current practices, perceptions, and general knowledge of U...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28628374/effects-of-a-multispecies-probiotic-supplement-on-bone-health-in-osteopenic-postmenopausal-women-a-randomized-double-blind-controlled-trial
#18
Sadegh Jafarnejad, Kurosh Djafarian, Mohammad Reza Fazeli, Mir Saeed Yekaninejad, Abdolrahman Rostamian, Seyed Ali Keshavarz
OBJECTIVE: The development of alternative approaches to prevent and/or treat osteoporosis, as a chronic progressive bone disease, is being considered currently. Among dietary supplements, probiotics may have favorable effects on bone metabolism. Therefore, the aim of this study was to evaluate the effects of a multispecies probiotic supplementation on bone biomarkers and bone density in osteopenic postmenopausal women. METHODS: This randomized double-blind placebo-controlled clinical trial was performed on 50 patients with osteopenia aged 50-72 years...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28628270/serum-klotho-vitamin-d-and-homocysteine-in-combination-predict-the-outcomes-of-chinese-patients-with-multiple-system-atrophy
#19
Yue Guo, Xiao-Dong Zhuang, Wen-Biao Xian, Ling-Ling Wu, Ze-Na Huang, Xun Hu, Xiang-Song Zhang, Ling Chen, Xin-Xue Liao
AIMS: Neuroinflammation contributed to the pathogenesis of multiple system atrophy (MSA). We aimed to detect the correlation between inflammatory mediators, such as Klotho (Klt), vitamin D (25(OH)D) and homocysteine (Hcy), and disease severity among MSA patients. METHODS: A total of 53 MSA patients, 65 PD patients, and 62 normal subjects were recruited in our cross-sectional study. Serum Klotho (Klt), vitamin D (25(OH)D), and homocysteine (Hcy) levels were measured...
June 19, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28627723/vitamin-d-enhances-omega-3-polyunsaturated-fatty-acids-induced-apoptosis-in-breast-cancer-cells
#20
Jing Yang, Shenglong Zhu, Guangxiao Lin, Ci Song, Zhao He
Breast cancer is a leading type of cancer in women and generally classified into three subtypes of ER(+) /PR(+) , HER2(+) and triple negative. Both omega-3 polyunsaturated fatty acids and vitamin D3 play positive role in the reduction of breast cancer incidence. However, whether combination of omega-3 polyunsaturated fatty acids and vitamin D3 has stronger protective effect on breast carcinogenesis still remains unknown. In this study, we show that the combination of ω-3 free fatty acids (ω-3 FFAs) and 1α, 25-dihydroxy-vitamin D3 (VD3 ) dramatically enhances cell apoptosis among three subtypes of breast cancer cell lines...
June 19, 2017: Cell Biology International
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