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Vitamin D Receptor Gene

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https://www.readbyqxmd.com/read/29782293/mycosis-fungoides-and-vitamin-d-status-analyses-of-serum-25-hydroxyvitamin-d-levels-and-single-nucleotide-polymorphisms-in-the-vitamin-d-receptor-gene
#1
Pinar Incel Uysal, Nuran Alli, Yildiz Hayran, Tuba Candar
Various types of cancer, including melanoma and non-melanoma skin cancer, are associated with vitamin D receptor (VDR) polymorphisms. However, few studies have addressed VDR polymorphisms in patients with mycosis fungoides (MF), and previous studies have reported conflicting results. Aim of this case-control study was to assess the correlation between VDR single nucleotide polymorphisms (SNPs) Cdx2, Fok1, Apa1, Bsm1, and Taq1 and MF. Venous blood samples were collected from 41 patients with MF and 59 age- and sex-matched healthy controls...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29778131/vitamin-d-receptor-level-in-biopsy-specimen-of-patients-with-ulcerative-colitis-results-from-a-center-in-western-anatolia
#2
Adil Coskun, Irfan Yavasoglu, Ibrahim Meteoglu, Mustafa Unubol, Burak Yasar, Serkan Borazan, Imran Kurt Omurlu, Vahit Yukselen, M Hadi Yasa
BACKGROUND: Ulcerative colitis (UC) is a chronic, inflammatory bowel diseases characterized by uncontrolled inflammatory condition of the colon and rectal mucosa marked by recurrent periods of remission and exacerbation. Vitamin D receptor (VDR) is a member of the steroid receptor family that mediates the effects of vitamin D by regulating transcription of multiple cellular genes. We aimed to evaluate vitamin d receptor level in biopsy specimen of patients with UC in this study. METHODS: VDR levels were retrospectively studied in colon biopsy specimens of UC patients...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29777458/increased-vitamin-d-receptor-gene-expression-and-rs11568820-and-rs4516035-promoter-polymorphisms-in-autistic-disorder
#3
Burhan Balta, Hakan Gumus, Ruslan Bayramov, Keziban Korkmaz Bayramov, Murat Erdogan, Didem Behice Oztop, Muhammet Ensar Dogan, Serpil Taheri, Munis Dundar
Although there are a large number of sequence variants of different genes and copy number variations at various loci identified in autistic disorder (AD) patients, the pathogenesis of AD has not been elucidated completely. Recently, in AD patients, a large number of expression array and transcriptome studies have shown an increase in the expression of genes especially related to innate immune response. Antimicrobial effects of vitamin D and VDR are exerted through Toll-Like-Receptors (TLR) which have an important role in the innate immune response, are expressed by antigen presenting cells and recognize foreign microorganisms...
May 18, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29766002/influence-of-vitamin-d-receptor-gene-polymorphisms-on-response-to-pegylated-interferon-in-chronic-hepatitis-b-egyptian-patients
#4
Gomaa Mostafa-Hedeab, Dina Sabry, Ghada Mostafa Abdelaziz, Manal Ewaiss, Nagla Adli, Wael Fathy
Background: We explored the effect of vitamin D receptor gene ( VDR ) polymorphisms in response to PEG-IFN treatment in Egyptian chronic hepatitis B (CHB) patients. Methods: Two hundred hepatitis B virus (HBV) patients (42.3±10.7 years) on PEG-IFN α-2a (180 µg /kg for 48 weeks) and one hundred control subjects (37.3 ±12 years) were enrolled in the study. Vitamin D levels and hepatitis B surface antigen (HBsAg) expression were assessed by ELISA. VDR polymorphisms FokI T>C (rs 10735810), BsmI A>G (rs 1544410), ApaI (rs7975253), and TaqI C>T (rs 731236), were genotyped using real-time PCR...
April 2018: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29766000/vitamin-d3-induces-gene-expression-of-ox-ldl-scavenger-receptors-in-streptozotocin-induced-diabetic-rat-aortas-new-insight-into-the-role-of-vitamin-d-in-diabetic-atherosclerosis
#5
Shahab Alizadeh, Abbas Mirshafiey, Mahmoud Djalali, Ehsan Alvandi, Niyaz Mohammadzadeh Honarvar, Mohammad Hassan Javanbakht
Background: Several lines of evidence suggest that oxidized LDL (Ox-LDL) scavenger receptors play a crucial role in the genesis and progression of diabetic atherosclerosis. This study aimed to elucidate the effect of vitamin D3 on gene expression of lectin-like oxidized LDL receptor-1 (LOX-1), scavenger receptor-A (SR-A), Cluster of Differentiation 36 (CD36), and Cluster of Differentiation 68 (CD68) as the main Ox-LDL receptors in streptozotocin (STZ)-induced diabetic rat aortas. Methods: Eighteen Sprague-Dawley rats were randomly divided into three groups of six rats each...
April 2018: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/29764315/effects-of-egg-consumption-and-choline-supplementation-on-plasma-choline-and-trimethylamine-n-oxide-in-a-young-population
#6
Bruno S Lemos, Isabel Medina-Vera, Olga V Malysheva, Marie A Caudill, Maria Luz Fernandez
BACKGROUND: Plasma trimethylamine-N-oxide (TMAO) concentrations have been associated with cardiovascular disease risk. Eggs are a rich source of choline, which is a precursor of TMAO. OBJECTIVE: The effects of egg intake versus daily choline supplementation were evaluated on plasma choline and TMAO in a young, healthy population. METHODS: Thirty participants (14 males, 16 females; 25.6 ± 2.3 years; body mass index = 24.3 ± 2.9 kg/m2 ) were enrolled in this 13-week crossover intervention...
May 15, 2018: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/29763933/the-calcium-sensing-receptor-gene-polymorphism-rs1801725-and-calcium-related-phenotypes-in-hemodialysis-patients
#7
Alicja E Grzegorzewska, Dariusz Bednarski, Monika Świderska, Adrianna Mostowska, Paweł P Jagodziński
BACKGROUND/AIMS: The calcium-sensing receptor gene (CASR) rs1801725 variant is responsible for a non-conservative amino-acid change (A986S) in the calcium-sensing receptor cytoplasmic tail. We hypothesized that rs1801725 polymorphism might be helpful in understanding Ca-related abnormalities in HD patients. METHODS: In 1215 subjects (245 on cinacalcet), we determined the associations of rs1801725 with secondary hyperparathyroidism (sHPT)-related laboratory parameters, PTH-decreasing effect of cinacalcet hydrochloride, coronary artery disease (CAD), myocardial infarction (MI), nephrolithiasis-related ESRD, and mortality...
May 10, 2018: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29761652/vitamin-d-status-and-associated-genetic-polymorphisms-in-a-cohort-of-uk-children-with-non-alcoholic-fatty-liver-disease
#8
P S Gibson, A Quaglia, A Dhawan, H Wu, S Lanham-New, K H Hart, E Fitzpatrick, J B Moore
BACKGROUND: Vitamin D deficiency has been associated with non-alcoholic fatty liver disease (NAFLD). However, the role of polymorphisms determining vitamin D status remains unknown. OBJECTIVES: The objectives of this study were to determine in UK children with biopsy-proven NAFLD (i) their vitamin D status throughout a 12-month period and (ii) interactions between key vitamin D-related genetic variants (nicotinamide adenine dinucleotide synthase-1/dehydrocholesterol reductase-7, vitamin D receptor, group-specific component, CYP2R1) and disease severity...
May 14, 2018: Pediatric Obesity
https://www.readbyqxmd.com/read/29753474/intramammary-25-hydroxyvitamin-d-3-treatment-modulates-innate-immune-responses-to-endotoxin-induced-mastitis
#9
Kathryn E Merriman, Jessi L Powell, Jose E P Santos, Corwin D Nelson
Vitamin D signaling in response to pathogen-associated molecules contributes to activation of innate immune responses of bovine monocytes. We hypothesized that lipopolysaccharide (LPS) of bacteria associated with mastitis in dairy cows activates the vitamin D pathway in innate immune cells of the udder and that increasing availability of 25-hydroxyvitamin D3 [25(OH)D3 ] would augment expression of vitamin D-associated genes. The objective of this experiment was to determine the effects of intramammary LPS and 25(OH)D3 treatments on activation of the vitamin D pathway and innate immune responses of mammary immune cells...
May 9, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29751971/cardiac-hypertrophy-elevates-serum-levels-of-fibroblast-growth-factor-23
#10
Isao Matsui, Tatsufumi Oka, Yasuo Kusunoki, Daisuke Mori, Nobuhiro Hashimoto, Ayumi Matsumoto, Karin Shimada, Satoshi Yamaguchi, Keiichi Kubota, Sayoko Yonemoto, Tomoaki Higo, Yusuke Sakaguchi, Yoshitsugu Takabatake, Takayuki Hamano, Yoshitaka Isaka
Several experimental studies have shown that fibroblast growth factor 23 (FGF23) induces left ventricular hypertrophy (LVH). However, the opposite directional relationship, namely a potential effect of LVH on FGF23, remains uncertain. Here we evaluated the effects of LVH on FGF23 using cardiomyocyte-specific calcineurin A transgenic mice. At six weeks, these mice showed severe LVH, with elevated levels of serum intact FGF23. FGF23 levels were elevated in cardiomyocytes, but not osteocytes, of the transgenic animals...
May 8, 2018: Kidney International
https://www.readbyqxmd.com/read/29750879/dha-upregulates-fads2-expression-in-primary-cortical-astrocytes-exposed-to-vitamin-a
#11
B Dziedzic, D Bewicz-Binkowska, E Zgorzynska, D Stulczewski, L Wieteska, B Kaza, A Walczewska
The fads2 gene encoding delta6-desaturase, the rate-limiting enzyme in the LCPUFA biosynthesis is expressed in astrocytes. Dietary fatty acids, which cross the blood-brain barrier may regulate the transcription of lipogenic enzymes through activation of transcription factors such as peroxisome proliferator-activated receptors (PPARs). The PPARs form the transcription complex with retinoid X receptors (RXRs) that are activated by 9-cis retinol, a metabolite of vitamin A (VA). The study examines whether challenge of astrocytes with VA, prior 24-hour treatment with palmitic acid (PA), alpha-linolenic acid (ALA) or docosahexaenoic acid (DHA) has the effect on the FADS2 expression...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29738868/bsmi-single-nucleotide-polymorphism-in-vitamin-d-receptor-gene-is-associated-with-decreased-circulatory-levels-of-serum-25-hydroxyvitamin-d-among-micro-and-macrovascular-complications-of-type-2-diabetes-mellitus
#12
Krishnamoorthy Ezhilarasi, Umapathy Dhamodharan, Viswanathan Vijay
Vitamin D Receptor (VDR) gene single nucleotide polymorphism (SNP) in the intron 8 is a well characterized SNP which has previously been linked to various diseases including Type 2 Diabetes Mellitus (T2DM). However, the association of this SNP with micro and macrovascular complications of T2DM remains poorly studied. Hence, the present study was designed to investigate the association of VDR gene SNP with complications of T2DM (disease phenotype) and correlated it with the serum levels of (25[OH]D) (intermediate phenotype) along with other clinical risk factors of T2DM...
May 5, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29738160/-effect-of-silencing-the-vdr-gene-on-the-migration-and-invasion-of-prostate-cancer-cells
#13
Yuan-Dong Zhang, Hui Zhao, Kang-Jian Li, Run-Yun Guan
Objective: To investigate the effect of small interfering RNA silencing the vitamin D receptor (VDR) on the biological behavior of prostate cancer PC-3 cells. METHODS: We constructed the VDR-shRNA lentiviral vector and determined the mRNA and protein expressions of VDR by RT-PCR and Western blot. Using scratch wound healing and Transwell chamber assays, we detected the changes in the migration and invasiveness of the PC-3 cells after silencing VDR. RESULTS: The VDR-shRNA plasmid significantly interfered the VDR expression and successfully screened the cell lines with stable VDR-shRNA interference...
November 2017: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/29735309/the-elevation-of-circulating-fibroblast-growth-factor-23-without-kidney-disease-does-not-increase-cardiovascular-disease-risk
#14
Eva-Maria Pastor-Arroyo, Nicole Gehring, Christiane Krudewig, Sarah Costantino, Carla Bettoni, Thomas Knöpfel, Sibylle Sabrautzki, Bettina Lorenz-Depiereux, Johanne Pastor, Tim M Strom, Martin Hrabě de Angelis, Giovanni G Camici, Francesco Paneni, Carsten A Wagner, Isabel Rubio-Aliaga
High circulating fibroblast growth factor 23 (FGF23) levels are probably a major risk factor for cardiovascular disease in chronic kidney disease. FGF23 interacts with the receptor FGFR4 in cardiomyocytes inducing left ventricular hypertrophy. Moreover, in the liver FGF23 via FGFR4 increases the risk of inflammation which is also found in chronic kidney disease. In contrast, X-linked hypophosphatemia is characterized by high FGF23 circulating levels due to loss of function mutations of the phosphate-regulating gene with homologies to an endopeptidase on the X chromosome (PHEX), but is not characterized by high cardiovascular morbidity...
May 5, 2018: Kidney International
https://www.readbyqxmd.com/read/29728923/association-between-polymorphisms-in-vitamin-d-receptor-gene-and-adolescent-idiopathic-scoliosis-a-meta-analysis
#15
Jun Dai, Zheng-Tao Lv, Jun-Ming Huang, Peng Cheng, Huang Fang, An-Min Chen
PURPOSE: This meta-analysis was performed to clarify whether the two single nucleotide polymorphisms (ApaI and BsmI) in vitamin D receptor (VDR) gene conferred susceptibility to adolescent idiopathic scoliosis (AIS). METHODS: A comprehensive literature search in five online databases (PubMed, EMBASE, ISI Web of Science, CNKI, and Wanfang) was performed to identify studies that analyzed the association between VDR gene polymorphisms and risk of AIS. Observational studies met the predetermined inclusion criteria were selected for meta-analysis...
May 4, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29727015/association-of-vdr-gene-polymorphisms-and-22-bp-deletions-in-the-promoter-region-of-tlr2%C3%AE-22-196-174-with-increased-risk-of-pulmonary-tuberculosis-a-case-control-study-in-tea-garden-communities-of-assam
#16
Kangjam Rekha Devi, Kaustab Mukherjee, Pradipta Kumar Chelleng, Simanta Kalita, Upasana Das, Kanwar Narain
BACKGROUND: A high number of pulmonary tuberculosis (PTB) cases have been reported from tea garden communities of Assam. Till date, no molecular epidemiological study was performed to investigate the association of candidate gene(s) with the risk PTB in this region. The present case-control study was aimed to investigate the association of vitamin D receptor (VDR) gene polymorphisms and 22 bp deletion in the promoter region of toll-like receptor 2 (TLR2) gene with the risk of PTB in tea garden communities of Assam...
May 4, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29720668/central-role-of-the-proximal-tubular-%C3%AE-klotho-fgf-receptor-complex-in-fgf23-regulated-phosphate-and-vitamin-d-metabolism
#17
Ai Takeshita, Kazuki Kawakami, Kenryo Furushima, Masayasu Miyajima, Kazushige Sakaguchi
Fibroblast growth factor 23 (FGF23) plays critical roles in phosphate handling and vitamin D metabolism in the kidney. However, the effector cells of FGF23 in the kidney remain unclear. αKlotho, a putative enzyme possessing β-glucuronidase activity and also a permissive co-receptor for FGF23 to bind to FGF receptors (FGFRs), is expressed most abundantly in distal convoluted tubules, whereas it is expressed modestly in proximal tubules. Key molecular players of phosphate homeostasis and vitamin D-metabolizing enzymes are known to localize in proximal tubules...
May 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29719821/the-physiopathological-role-of-the-exchangers-belonging-to-the-slc37-family
#18
REVIEW
Anna Rita Cappello, Rosita Curcio, Rosamaria Lappano, Marcello Maggiolini, Vincenza Dolce
The human SLC37 gene family includes four proteins SLC37A1-4, localized in the endoplasmic reticulum (ER) membrane. They have been grouped into the SLC37 family due to their sequence homology to the bacterial organophosphate/phosphate (Pi) antiporter. SLC37A1-3 are the less characterized isoforms. SLC37A1 and SLC37A2 are Pi-linked glucose-6-phosphate (G6P) antiporters, catalyzing both homologous (Pi/Pi) and heterologous (G6P/Pi) exchanges, whereas SLC37A3 transport properties remain to be clarified. Furthermore, SLC37A1 is highly homologous to the bacterial glycerol 3-phosphate permeases, so it is supposed to transport also glycerol-3-phosphate...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29719581/adipose-tissue-inflammation-and-vdr-expression-and-methylation-in-colorectal-cancer
#19
Daniel Castellano-Castillo, Sonsoles Morcillo, Mercedes Clemente-Postigo, Ana Belén Crujeiras, Jose Carlos Fernandez-García, Esperanza Torres, Francisco José Tinahones, Manuel Macias-Gonzalez
Background: Lack of vitamin D (VD) has been associated with colorectal cancer (CRC). VD has anti-inflammatory effects and regulates several cellular pathways by means of its receptor, including epigenetic modifications. Adipose tissue dysfunction has been related to low-grade inflammation, which is related to diseases like cancer. The aim of this study was to explore the relationship between serum 25-hydroxyvitamin D (25(OH)D), adipose tissue gene expression of VD receptor (VDR), pro-inflammatory markers, and the epigenetic factor DNA methyltransferase 3a (DNMT3A) as well as VDR promoter methylation in CRC...
2018: Clinical Epigenetics
https://www.readbyqxmd.com/read/29708533/a-simple-and-efficient-method-for-in-vivo-cardiac-specific-gene-manipulation-by-intramyocardial-injection-in-mice
#20
Yanan Fu, Wenlong Jiang, Yichao Zhao, Yuli Huang, Heng Zhang, Hongju Wang, Jun Pu
Gene manipulation specifically in the heart significantly potentiate the investigation of cardiac disease pathomechanisms and their therapeutic potential. In vivo cardiac-specific gene delivery is commonly achieved by either systemic or local delivery. Systemic injection via tail vein is easy and efficient in manipulating cardiac gene expression by using recombinant adeno-associated virus 9 (AAV9). However, this method requires a relatively high amount of vector for efficient transduction, and may result in nontarget organ gene transduction...
April 16, 2018: Journal of Visualized Experiments: JoVE
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