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Vitamin d binding protein

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https://www.readbyqxmd.com/read/28916992/longevity-of-daily-oral-vitamin-d3-supplementation-differences-in-25ohd-and-24-25-oh-2d-observed-2%C3%A2-years-after-cessation-of-a-1-year-randomised-controlled-trial-victory-recall
#1
H M Macdonald, A Gryka, J C Y Tang, L S Aucott, W D Fraser, A D Wood
To determine how long vitamin D lasts after supplementation ceases, the marker of status was measured 2 and 3 years after a 1-year trial. Compared to placebo, the proportion of vitamin D-deficient women was still lower, if they had taken daily vitamin D3, after 2 years, indicating its longevity. INTRODUCTION: The purpose of this study was to determine longevity of vitamin D status following cessation of vitamin D3 supplementation, 2 and 3 years after a 1-year randomised, double-blind placebo controlled trial and to investigate possible predictive factors...
September 15, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28911165/cellular-retinoic-acid-binding-protein-1-modulates-stem-cell-proliferation-to-affect-learning-and-memory-in-male-mice
#2
Yu-Lung Lin, Shawna D Persaud, Jennifer Nhieu, Li-Na Wei
Retinoic acid (RA) is the active ingredient of vitamin A. It exerts its canonical activity by binding to nuclear RA receptors (RARs) to regulate gene expression. Increasingly, RA is also known to elicit nongenomic RAR-independent activities, most widely detected in activating extracellular regulated kinase (ERK)1/2. This study validated the functional role of cellular retinoic acid-binding protein 1 (Crabp1) in mediating nongenomic activity in RA, specifically activating ERK1/2 to rapidly augment the cell cycle by expanding the growth 1 phase and slowing down embryonic stem cell and neural stem cell (NSC) proliferation...
September 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28906406/parathyroid-hormone-in-relation-to-various-vitamin-d-metabolites-in-adult-females
#3
Nasser M Al-Daghri, Sobhy Yakout, Ihtisham Bukhari, Malak N K Khattak, Yousef Al-Saleh, Naji Aljohani, Omar S Al-Attas, Majed Alokail
Vitamin D binding protein (DBP) and albumin are the important determinants of circulatory 25(OH)D in adults. Physiological function of vitamin D is particularly regulated by DBPs. Serum parathyroid hormone (PTH) is considered as the biological activity reader of circulating 25(OH)D. We therefore examined the relationships between serum total, free, and bioavailable 25(OH)D versus PTH in apparently healthy Saudi female adults.A total of 350 apparently healthy Saudi female adults ([Mean ± standard deviation] age [years] 52...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28903788/vitamin-d-serostatus-and-dengue-fever-progression-to-dengue-hemorrhagic-fever-dengue-shock-syndrome
#4
E Villamor, L A Villar, A Lozano, V M Herrera, O F Herrán
Vitamin D could modulate pathways leading to dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS). We examined the associations of serum total 25-hydroxy vitamin D [25(OH)D] and vitamin D binding protein (VDBP) concentrations in patients with uncomplicated dengue fever (DF) with risk of progression to DHF/DSS. In a case-control study nested in a cohort of DF patients who were followed during the acute episode in Bucaramanga, Colombia, we compared 25(OH)D and VDBP at onset of fever between 110 cases who progressed to DHF/DSS and 235 DF controls who did not progress...
September 14, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28901396/effect-of-1-25-oh-2d3-on-high-glucose%C3%A2-induced-autophagy-inhibition-in-peritoneum
#5
Lina Yang, Yi Fan, Xiuli Zhang, Jin Liu, Jianfei Ma
High glucose (HG) may damage the structure and function of the peritoneal membrane, and is considered to be one of the most important factors that leads to peritoneal fibrosis and ultrafiltration failure. Recently, 1,25(OH)2D3, the active form of vitamin D, was demonstrated to protect against epithelial‑mesenchymal transition and fibrosis in peritoneal mesothelium and other organs. Accumulating evidence has suggested that autophagy serves a protective role in certain diseases by regulating cell survival...
August 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28899076/letter-to-the-editor-the-effect-of-genetic-factors-on-the-response-to-vitamin-d-supplementation-may-be-mediated-by-vitamin-d-binding-protein-concentrations
#6
Inez Schoenmakers, Kerry S Jones
No abstract text is available yet for this article.
July 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28895868/identification-of-novel-biomarkers-for-treatment-monitoring-in-canine-leishmaniosis-by-high-resolution-quantitative-proteomic-analysis
#7
Silvia Martinez-Subiela, Anita Horvatic, Damian Escribano, Luis Pardo-Marin, Meric Kocaturk, Vladimir Mrljak, Richard Burchmore, Jose J Ceron, Zeki Yilmaz
The objective of this study was to use the Tandem Mass Tag (TMT) isobaric label-based proteomic approach, in order to identify new potential biomarkers for the treatment monitoring of canine leishmaniosis that could not be identified by the use of gel-based techniques. For this purpose serum samples were obtained from 5 clinically diseased dogs before and one month after the treatment of canine leishmaniosis. The non-depleted serum samples were subjected to reduction, alkylation and trypsin digestion, and the resulting peptides were labeled using 6-plex TMT reagents...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28892641/independent-assortment-of-gc-gene-polymorphism-rs2282679-and-25-hydroxyvitamin-d-levels-in-coronary-artery-disease
#8
Nada Sedky, Sally Hassanein, Mohamed Gad
BACKGROUND: Coronary artery disease (CAD) remains a major public health burden. Emerging research has suggested an association between vitamin D insufficiency and CAD. Vitamin D binding protein (VDBP) is the primary vitamin D carrier and many of its genetic polymorphisms are able to induce the expression of proteins with different affinities for the vitamin, which in turn, might affect its serum levels and CAD incidence. SUBJECTS/METHODS: 112 male patients, aged between 35 and 50, with verified CAD and 109 age- and sex-matched controls were recruited...
September 11, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28888576/association-of-vitamin-d-and-vitamin-d-binding-protein-dbp-gene-polymorphism-with-susceptibility-of-type-2-diabetes-mellitus-in-bangladesh
#9
Md Mostafijur Rahman, Md Bayejid Hosen, Md Omar Faruk, Md Mehedi Hasan, Yearul Kabir, M Zakir Hossain Howlader
AIMS: Polymorphism in vitamin D binding protein gene may have an impact on serum vitamin D transport and thus may have relation with type 2 diabetes mellitus. In our study, we investigated the association of serum vitamin D level and vitamin D-binding protein gene polymorphism with the onset of type 2 diabetes mellitus. MATERIALS AND METHODS: Blood samples were collected from 104 type 2 diabetic patients and 107 healthy volunteers. Serum vitamin D was measured by high-performance liquid chromatography...
September 6, 2017: Gene
https://www.readbyqxmd.com/read/28882871/independent-and-synergistic-associations-of-biomarkers-of-vitamin-d-status-with-risk-of-coronary-heart-disease
#10
Lu Qi, Wenjie Ma, Yoriko Heianza, Yan Zheng, Tiange Wang, Dianjianyi Sun, Eric B Rimm, Frank B Hu, Edward Giovannucci, Christine M Albert, Kathryn M Rexrode, JoAnn E Manson
OBJECTIVE: To comprehensively evaluate the independent associations and potential interactions of vitamin D-related biomarkers including total and bioavailable 25-hydroxyvitamin D (25OHD), VDBP (vitamin D binding protein), and parathyroid hormone (PTH) with risk of coronary heart disease (CHD). APPROACH AND RESULTS: We prospectively identified incident cases of nonfatal myocardial infarction and fatal CHD among women in the Nurses' Health Study during 20 years of follow-up (1990-2010)...
September 7, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28868163/new-insights-into-the-vitamin-d-requirements-during-pregnancy
#11
REVIEW
Bruce W Hollis, Carol L Wagner
Pregnancy represents a dynamic period with physical and physiological changes in both the mother and her developing fetus. The dramatic 2-3 fold increase in the active hormone 1,25(OH)2D concentrations during the early weeks of pregnancy despite minimal increased calcium demands during that time of gestation and which are sustained throughout pregnancy in both the mother and fetus suggests an immunomodulatory role in preventing fetal rejection by the mother. While there have been numerous observational studies that support the premise of vitamin D's role in maintaining maternal and fetal well-being, until recently, there have been few randomized clinical trials with vitamin D supplementation...
2017: Bone Research
https://www.readbyqxmd.com/read/28864453/no-association-of-vitamin-d-pathway-genetic-variants-with-cancer-risks-in-a-population-based-cohort-of-german-older-adults
#12
José Manuel Ordóñez-Mena, Ben Schöttker, Kai U Saum, Bernd Holleczek, Barbara Burwinkel, Thomas J Wang, Hermann Brenner
Background: Several investigations assessed the association of vitamin D receptor (VDR) SNPs with cancer risk. Less is known about the implications of other vitamin D pathway SNPs on cancer risk.Methods: In a population-based cohort study of 9,949 German older adults, we used Cox regression to assess the association of 6 SNPs in the VDR, vitamin D-binding protein (GC), 7-dehydrocholesterol reductase (DHCR7), vitamin D 25-hydroxylase (CYP2R1), and vitamin D 24-hydroxylase (CYP24A1) genes with total and site-specific cancer incidence endpoints...
September 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28855568/plasma-biomarker-proteins-for-detection-of-human-growth-hormone-administration-in-athletes
#13
Sock-Hwee Tan, Albert Lee, Dana Pascovici, Natasha Care, Vita Birzniece, Ken Ho, Mark P Molloy, Alamgir Khan
Human growth hormone (GH) is a naturally occurring hormone secreted by the pituitary gland with anabolic and growth-promoting activities. Since an increased availability of recombinant GH (rGH) for the treatment of GH-deficient patients, GH has been abused in sports and it is prohibited. "GH-isoform" and "biomarkers" tests are currently available for detection of GH abuse in sports, however both methods suffer from shortcomings. Here, we report on a proteomic approach to search for novel protein biomarkers associated with rGH administration in non-elite athletes...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28846076/a-new-combination-therapy-for-asthma-using-dual-function-dexamethsone-conjugated-polyethylenimine-and-vitamin-d-binding-protein-sirna
#14
M Choi, J Gu, M Lee, T Rhim
Asthma is a multifactorial disease that is influenced by the interaction of genetic and environmental factors. Due to its complex nature, there is no cure for asthma currently. Instead, reliever and controller medications are used to treat asthma. Unfortunately, conventional treatments do not work in some severe cases of asthma. In addition, there may be adverse, systemic effects of long-term treatment with high-dose inhaled corticosteroids as a controller medication. Therefore, we attempted to develop a novel combination therapy for asthma...
August 28, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28818673/1-25-dihydroxyvitamin-d3-induces-brain-proteomic-changes-in-cuprizone-mice-during-remyelination-involving-calcium-proteins
#15
Eystein Oveland, Agnes Nystad, Frode Berven, Kjell-Morten Myhr, Øivind Torkildsen, Stig Wergeland
Dietary supplementation of vitamin D is commonly recommended to patients with multiple sclerosis. We recently found that high-dose of the hormonally active 1,25-dihydroxyvitamin-D3 (1,25D) promotes myelin repair in the cuprizone model for de- and remyelination. In the present study, we quantified 5062 proteins, of which 125 were differentially regulated in brain tissue from 1,25D treated mice during remyelination, compared to placebo. Proteins upregulated in the early remyelination phase were involved in calcium binding, e...
August 14, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28812264/oxytocin-and-steroid-actions
#16
Gustav F Jirikowski, Scott D Ochs, Jack D Caldwell
Biosynthesis and secretion of the hypothalamic nonapeptide oxytocin largely depends on steroid hormones. Estradiol, corticosterone, and vitamin D seem to be the most prominent actors. Due to their lipophilic nature, systemic steroids are thought to be capable of crossing the blood-brain barrier, thus mediating central functions including neuroendocrine and behavioral control. The actual mode of action of steroids in hypothalamic circuitry is still unknown: Most of the oxytocinergic perikarya lack nuclear steroid receptors but express proteins suspected to be membrane receptors for steroids...
August 16, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28807113/circulating-vitamin-d-binding-protein-and-free-25-hydroxyvitamin-d-concentrations-in-patients-with-melanoma-a-case-control-study
#17
LETTER
Cristián Navarrete-Dechent, Constanza Del Puerto, Montserrat Molgó, Sergio González, Guillermo Pérez-Mateluna, Pablo Uribe, Carlos A Camargo, Arturo Borzutzky
No abstract text is available yet for this article.
September 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28798036/why-don-t-serum-vitamin-d-concentrations-associate-with-bmd-by-dxa-a-case-of-being-bound-to-the-wrong-assay-implications-for-vitamin-d-screening
#18
Richard J Allison, Abdulaziz Farooq, Anissa Cherif, Bruce Hamilton, Graeme L Close, Mathew G Wilson
BACKGROUND: The association between bone mineral density (BMD) and serum25-hydroxyvitamin D (25(OH)D) concentration is weak, particularly in certain races (eg, BlackAfrican vs Caucasian) and in athletic populations. We aimed to examine if bioavailable vitamin D rather than serum 25(OH)D was related to markers of bone health within a racially diverse athletic population. METHODS: In 604 male athletes (Arab (n=327), Asian (n=48), Black(n=108), Caucasian (n=53)and Hispanic (n=68)), we measured total 25(OH)D, vitamin D-binding protein and BMD by DXA...
August 10, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28795044/n-glycoproteomic-analysis-of-human-follicular-fluid-during-natural-and-stimulated-cycles-in-patients-undergoing-in-vitro-fertilization
#19
Hee-Joung Lim, Ae Eun Seok, Jiyou Han, Jiyeong Lee, Sungeun Lee, Hee-Gyoo Kang, Byung Heun Cha, Yunseok Yang
OBJECTIVE: Hyperstimulation methods are broadly used for in vitro fertilization (IVF) in patients with infertility; however, the side effects associated with these therapies, such as ovarian hyperstimulation syndrome (OHSS), have not been well studied. N-glycoproteomes are subproteomes used for the remote sensing of ovarian stimulation in follicular growth. Glycoproteomic variation in human follicular fluid (hFF) has not been evaluated. In this study, we aimed to identify and quantify the glycoproteomes and N-glycoproteins (N-GPs) in natural and stimulated hFF using label-free nano-liquid chromatography/electrospray ionization-quad time-of-flight mass spectrometry...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28779988/impact-of-polymorphism-rs7041-and-rs4588-of-vitamin-d-binding-protein-on-the-extent-of-coronary-artery-disease
#20
V Daffara, M Verdoia, R Rolla, M Nardin, P Marino, G Bellomo, A Carriero, G De Luca
BACKGROUND AND AIM: 25-hydroxyvitamin D deficiency represents a widespread social problem but also an emerging risk factor for cardiovascular disease. Genetic variants of the Vitamin D Binding Protein (VDBP), the main transporter of vitamin D in the bloodstream, have been shown to account for a significant variability in the levels and systemic effects of vitamin D. We investigated whether the single nucleotide polymorphisms, rs7041 and rs4588, of VDBP are associated to the prevalence and extent of coronary artery disease...
September 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
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