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Vitamin d and cancer

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https://www.readbyqxmd.com/read/28213657/the-roles-of-uvb-and-vitamin-d-in-reducing-risk-of-cancer-incidence-and-mortality-a-review-of-the-epidemiology-clinical-trials-and-mechanisms
#1
REVIEW
Meis Moukayed, William B Grant
Global cancer incidence and mortality rates are high and increasing. Thus, it is imperative to find novel solutions to preventing cancer incidence and treating it at an affordable yet efficacious manner. The solar UVB-vitamin D-cancer hypothesis was first proposed in 1980 based on a geographical ecological study. Since then, numerous ecological and observational studies as well as studies of mechanisms have provided support for the hypothesis. However, observational studies have not provided consistent support, in part due to using a single blood draw from any season to use for serum 25-hydroxyvitamin D [25(OH)D] concentration in prospective studies with long follow-up times...
February 17, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28213567/vitamin-d-receptor-as-a-target-for-breast-cancer-therapy
#2
Alyson Murray, Stephen Madden, Naoise C Synnott, Rut Klinger, Darran O'Connor, Norma O'Donovan, William Gallagher, John Crown, Michael Duffy
Considerable epidemiological evidence suggests that high levels of circulating vitamin D (VD) are associated with a decreased incidence and increased survival from cancer, i.e., VD may possess anti-cancer properties. The aim of this investigation was therefore to investigate the anti-cancer potential of a low calcemic vitamin D analogue, i.e., inecalcitol and compare it with the active form of vitamin D, i.e., calcitriol, in a panel of breast cancer cell lines (n = 15). Using the MTT assay, IC50 concentrations for response to calcitriol varied from 0...
February 17, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28212442/ecto-5-nucleotidase-cd73-nt5e-vitamin-d-receptor-and-fgf23-gene-polymorphisms-may-play-a-role-in-the-development-of-calcific-uremic-arteriolopathy-in-dialysis-patients-data-from-the-german-calciphylaxis-registry
#3
Hansjörg Rothe, Vincent Brandenburg, Margot Haun, Barbara Kollerits, Florian Kronenberg, Markus Ketteler, Christoph Wanner
INTRODUCTION: Calciphylaxis/calcific uremic arteriolopathy affects mainly end-stage kidney disease patients but is also associated with malignant disorders such as myeloma, melanoma and breast cancer. Genetic risk factors of calciphylaxis have never been studied before. METHODS: We investigated 10 target genes using a tagging SNP approach: the genes encoding CD73/ ecto-5'-nucleotidase (purinergic pathway), Matrix Gla protein, Fetuin A, Bone Gla protein, VKORC1 (all related to intrinsic calcification inhibition), calcium-sensing receptor, FGF23, Klotho, vitamin D receptor, stanniocalcin 1 (all related to CKD-MBD)...
2017: PloS One
https://www.readbyqxmd.com/read/28210393/has-vitamin-d-had-its-time-in-the-sun-for-melanoma
#4
Christopher J Huerter, Adam Vaudreuil, Devendra K Agrawal, Austin Huy Nguyen
Growing evidence suggests a pivotal role for vitamin D in cancers, particularly melanoma. The broad immunologic effects of vitamin D and its signaling axis make for a complex interplay between tumor cells and the immune system. Preclinical evidence suggests vitamin D to have protective effects in melanoma oncogenesis and progression, creating a potential role for vitamin D supplementation in cancer prevention and/or adjuvant therapy. In this commentary, the authors highlight studies of vitamin D in melanoma with clinical implications and call for large clinical trials to definitively determine the role of supplementation in patients to prevent and help treat melanoma...
December 2016: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28210075/pancreatic-stellate-cell-pandora-s-box-for-pancreatic-disease-biology
#5
REVIEW
Ratnakar R Bynigeri, Aparna Jakkampudi, Ramaiah Jangala, Chivukula Subramanyam, Mitnala Sasikala, G Venkat Rao, D Nageshwar Reddy, Rupjyoti Talukdar
Pancreatic stellate cells (PSCs) were identified in the early 1980s, but received much attention after 1998 when the methods to isolate and culture them from murine and human sources were developed. PSCs contribute to a small proportion of all pancreatic cells under physiological condition, but are essential for maintaining the normal pancreatic architecture. Quiescent PSCs are characterized by the presence of vitamin A laden lipid droplets. Upon PSC activation, these perinuclear lipid droplets disappear from the cytosol, attain a myofibroblast like phenotype and expresses the activation marker, alpha smooth muscle actin...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28208641/temporal-trends-in-satellite-derived-erythemal-uvb-and-implications-for-ambient-sun-exposure-assessment
#6
Marvin Langston, Leslie Dennis, Charles Lynch, Denise Roe, Heidi Brown
Ultraviolet radiation (UVR) has been associated with various health outcomes, including skin cancers, vitamin D insufficiency, and multiple sclerosis. Measurement of UVR has been difficult, traditionally relying on subject recall. We investigated trends in satellite-derived UVB from 1978 to 2014 within the continental United States (US) to inform UVR exposure assessment and determine the potential magnitude of misclassification bias created by ignoring these trends. Monthly UVB data remotely sensed from various NASA satellites were used to investigate changes over time in the United States using linear regression with a harmonic function...
February 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28207791/vitamin-d-and-mortality-individual-participant-data-meta-analysis-of-standardized-25-hydroxyvitamin-d-in-26916-individuals-from-a-european-consortium
#7
Martin Gaksch, Rolf Jorde, Guri Grimnes, Ragnar Joakimsen, Henrik Schirmer, Tom Wilsgaard, Ellisiv B Mathiesen, Inger Njølstad, Maja-Lisa Løchen, Winfried März, Marcus E Kleber, Andreas Tomaschitz, Martin Grübler, Gudny Eiriksdottir, Elias F Gudmundsson, Tamara B Harris, Mary F Cotch, Thor Aspelund, Vilmundur Gudnason, Femke Rutters, Joline W J Beulens, Esther van 't Riet, Giel Nijpels, Jacqueline M Dekker, Diana Grove-Laugesen, Lars Rejnmark, Markus A Busch, Gert B M Mensink, Christa Scheidt-Nave, Michael Thamm, Karin M A Swart, Ingeborg A Brouwer, Paul Lips, Natasja M van Schoor, Christopher T Sempos, Ramón A Durazo-Arvizu, Zuzana Škrabáková, Kirsten G Dowling, Kevin D Cashman, Mairead Kiely, Stefan Pilz
BACKGROUND: Vitamin D deficiency may be a risk factor for mortality but previous meta-analyses lacked standardization of laboratory methods for 25-hydroxyvitamin D (25[OH]D) concentrations and used aggregate data instead of individual participant data (IPD). We therefore performed an IPD meta-analysis on the association between standardized serum 25(OH)D and mortality. METHODS: In a European consortium of eight prospective studies, including seven general population cohorts, we used the Vitamin D Standardization Program (VDSP) protocols to standardize 25(OH)D data...
2017: PloS One
https://www.readbyqxmd.com/read/28206978/pathogenic-roles-of-alterations-in-vitamin-d-and-vitamin-d-receptor-in-gastric-tumorigenesis
#8
REVIEW
Chao Du, Shiming Yang, Xiaoyan Zhao, Hui Dong
Gastric cancer is currently the second leading cause of cancer-related death worldwide, especially in Japan, Korea and China, and the 5-year survival rate of gastric cancer is less than 30%. Thus, it is important to shed more lights on novel agents to prevent gastric cancer or to improve survival rate of the patients. Vitamin D not only maintains calcium and bone homeostasis, but also mostly inhibits tumor genesis, invasion, and metastasis through activation of vitamin D receptor. Although epidemiological results are not consistent, accumulating evidence from gastric cancer cells, animal models, and clinical trials suggest that vitamin D deficiency may increase the risk and mortality of gastric cancer, but vitamin D supplement might be a safe and economical way to prevent or treat gastric cancer...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28202637/supplemental-selenium-may-decrease-ovarian-cancer-risk-in-african-american-women
#9
Paul D Terry, Bo Qin, Fabian Camacho, Patricia G Moorman, Anthony J Alberg, Jill S Barnholtz-Sloan, Melissa Bondy, Michele L Cote, Ellen Funkhouser, Kristin A Guertin, Edward S Peters, Ann G Schwartz, Joellen M Schildkraut, Elisa V Bandera
Background: To our knowledge, no previous study has evaluated the associations of antioxidant intake with the risk of ovarian cancer in African-American women, who are known to have high mortality from the disease.Objective: We sought to evaluate these associations among 406 ovarian cancer cases and 632 age- and site-matched controls of African-American descent recruited from AACES (African American Cancer Epidemiology Study), a population-based, case-control study in 11 geographical areas within the United States...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28201969/vitamin-d-and-cancer-stem-cells-in-the-gastrointestinal-tract
#10
Ming-Xing Li, Long-Fei Li, Lin Zhang, Zan-Gang Xiao, Jing Shen, Wei Hu, Qiang Zeng, Chi-Hin Cho
Vitamin D has been widely used as a dietary supplement for the prevention and treatment of bone disorders. Epidemiological and preclinical studies demonstrated the anticancer action of vitamin D in a variety of cancers including those in the gastrointestinal (GI) tract. In these studies the inhibitory action of vitamin D on cancer stem cells (CSCs) has been a focus and is also an important subject to revolutionize the therapeutic potential of vitamin D on cancer treatment. Here, we summarize the involvement of CSC markers and factors and also their signaling pathways in the development of cancers in the esophagus, stomach, colon, pancreas and also liver...
February 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28191677/uvb-represses-melanocyte-cell-migration-and-acts-through-%C3%AE-catenin
#11
Juliette U Bertrand, Valérie Petit, Elke Hacker, Irina Berlin, Nicholas K Hayward, Marie Pouteaux, Evelyne Sage, David C Whiteman, Lionel Larue
The exposure of skin to ultraviolet (UV) radiation can have both beneficial and deleterious effects: it can lead, for instance, to increased pigmentation and vitamin D synthesis but also to inflammation and skin cancer. UVB may induce genetic and epigenetic alterations, and have reversible effects associated with post-translational and gene regulation modifications. β-catenin is a main driver in melanocyte development; although infrequently mutated in melanoma, its cellular localization and activity is frequently altered...
February 13, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28189050/h19-overexpression-induces-resistance-to-1-25-oh-2d3-by-targeting-vdr-through-mir-675-5p-in-colon-cancer-cells
#12
Shanwen Chen, Dingfang Bu, Yuanyuan Ma, Jing Zhu, Guowei Chen, Lie Sun, Shuai Zuo, Tengyu Li, Yisheng Pan, Xin Wang, Yucun Liu, Pengyuan Wang
The long noncoding (lnc) RNA H19 was involved in the tumorigenesis of many types of cancer. However, the role of H19 in the tumorigenesis of colon cancer has not been fully illustrated. Recent studies suggested a potential relationship between H19 and vitamin D receptor (VDR) signaling. Considering the pivotal role of VDR signaling in the colon epithelium both physiologically and pathologically, the correlation between H19 and VDR signaling may have an important role in the development of colon cancer. In this study, the correlation between H19 and vitamin D receptor (VDR) signaling and the underlying mechanisms in colon cancer were investigated both in vitro and in vivo...
February 7, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28184013/phosphatidylserine-sensing-by-tam-receptors-regulates-akt-dependent-chemoresistance-and-pd-l1-expression
#13
Canan Kasikara, Sushil Kumar, Stanley Kimani, Wen-I Tsou, Ke Geng, Viralkumar Davra, Ganapathy Sriram, Connor Devoe, Khanh-Quynh Nguyen, Anita Antes, Allen Krantz, Grzegorz Rymarczyk, Andrzej Wilczynski, Cyril Empig, Bruce D Freimark, Michael Gray, Kyle Schlunegger, Jeff Hutchins, Sergei V Kotenko, Raymond B Birge
: Tyro3, Axl and Mertk (collectively TAM receptors) are three homologous receptor tyrosine kinases (RTKs) that bind vitamin K-dependent endogenous ligands, Protein S (ProS) and Growth arrest specific factor 6 (Gas6), and act as bridging molecules to promote phosphatidylserine (PS)-mediated clearance of apoptotic cells (efferocytosis). TAM receptors are overexpressed in a vast array of tumor types, whereby the level of expression correlates with the tumor grade and the emergence of chemo- and radio-resistance to targeted therapeutics, but also have been implicated as inhibitory receptors on infiltrating myeloid-derived cells in the tumor microenvironment (TME) that can suppress host anti-tumor immunity...
February 9, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28179486/serum-25-hydroxyvitamin-d-has-a-modest-positive-association-with-leukocyte-telomere-length-in-middle-aged-us-adults
#14
Julia Beilfuss, Carlos A Camargo, Elena Kamycheva
Background: Vitamin D deficiency has been linked to all-cause mortality and cancer. However, the biological plausibility of these associations is not well established. Leukocyte telomere length (LTL) shortening is associated with aging and is a hallmark of genomic instability and carcinogenesis.Objective: We aimed to investigate the association between serum 25-hydroxyvitamin D [25(OH)D] concentrations and LTL in the general US population.Methods: We analyzed data from the US NHANES 2001-2002. The study population comprised 1542 younger adults (aged 20-39 y), 1336 middle-aged adults (aged 40-59 y), and 1382 older adults (aged ≥60 y)...
February 8, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28177777/high-concentration-calcitriol-induces-endoplasmic-reticulum-stress-related-gene-profile-in-breast-cancer-cells
#15
Ali Burak Ozkaya, Handan Ak, Hikmet Hakan Aydin
Calcitriol, the active form of vitamin D, is known for its anti-cancer properties including induction of apoptosis, inhibition of angiogenesis and metastasis. Understanding the mechanism of action for calcitriol will help development of novel treatment strategies. Since vitamin D exerts its cellular actions via binding to its receptor and by altering expressions of a set of genes, we aimed to evaluate the effect of calcitriol on transcriptomic profile of breast cancer cells. We previously demonstrated that calcitriol alters ER stress markers, therefore in this study we have focused on ER-stress related genes to reveal calcitriols action on these genes in particular...
June 29, 2016: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28177523/association-between-genetic-variation-within-vitamin-d-receptor-dna-binding-sites-and-risk-of-basal-cell-carcinoma
#16
Yuan Lin, Harvind S Chahal, Wenting Wu, Hyunje G Cho, Katherine J Ransohoff, Hongji Dai, Jean Y Tang, Kavita Y Sarin, Jiali Han
An increasing number of studies have reported a protective association between vitamin D and cancer risk. The vitamin D endocrine system regulates transcriptional programs involved in inflammation, cell growth and differentiation through the binding of vitamin D receptor (VDR) to specific vitamin D response elements (VDRE). However, limited attention has been given to the role of variation within VDR binding sites in the development of basal cell carcinoma (BCC). Across 2,776 previously identified VDR binding sites, we identified 2,540 independent single-nucleotide polymorphisms (SNPs) and examined their associations with BCC risk in a genome-wide association meta-analysis totaling 17,187 BCC cases and 287,054 controls from two data sets...
February 8, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28166841/long-term-associations-between-inflammatory-dietary-scores-in-relation-to-long-term-c-reactive-protein-status-measured-12-years-later-findings-from-the-suppl%C3%A3-mentation-en-vitamines-et-min%C3%A3-raux-antioxydants-su-vi-max-cohort
#17
Chantal Julia, Karen E Assmann, Nitin Shivappa, James R Hebert, Michael D Wirth, Serge Hercberg, Mathilde Touvier, Emmanuelle Kesse-Guyot
Chronic low-grade inflammation has been recognised as a key underlying mechanism for several chronic diseases, including cancer and CVD. Nutrition represents a host of key modifiable factors that influence chronic inflammation. Dietary inflammatory scores were developed to assess the inflammatory potential of the diet and have been associated with inflammatory biomarkers in cross-sectional and short-term longitudinal studies. The objective of this study was to investigate the relationship between the dietary inflammatory index (DII), the alternate dietary inflammatory index (ADII) and long-term C-reactive protein (CRP)...
February 7, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28166722/integration-of-vdr-genome-wide-binding-and-gwas-genetic-variation-data-reveals-co-occurrence-of-vdr-and-nf-%C3%AE%C2%BAb-binding-that-is-linked-to-immune-phenotypes
#18
Prashant K Singh, Patrick R van den Berg, Mark D Long, Angie Vreugdenhil, Laurie Grieshober, Heather M Ochs-Balcom, Jianmin Wang, Sylvie Delcambre, Sami Heikkinen, Carsten Carlberg, Moray J Campbell, Lara E Sucheston-Campbell
BACKGROUND: The nuclear hormone receptor superfamily acts as a genomic sensor of diverse signals. Their actions are often intertwined with other transcription factors. Nuclear hormone receptors are targets for many therapeutic drugs, and include the vitamin D receptor (VDR). VDR signaling is pleotropic, being implicated in calcaemic function, antibacterial actions, growth control, immunomodulation and anti-cancer actions. Specifically, we hypothesized that the biologically significant relationships between the VDR transcriptome and phenotype-associated biology could be discovered by integrating the known VDR transcription factor binding sites and all published trait- and disease-associated SNPs...
February 6, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28164608/alterations-of-vitamin-d-receptor-vdr-expression-profile-in-normal-and-malignant-breast-tissues
#19
Naghmeh Zhalehjoo, Yadollah Shakiba, Mojtaba Panjehpour
BACKGROUND: The actions of Vitamin D in different tissues, including breast tissue, are mediated by vitamin D receptor (VDR). Vitamin D has antitumor functions in the body; any changes in VDR expression can therefore affect the anticancer activities of Vitamin D. The present study was conducted to compare expression levels of VDR mRNA and protein in normal and tumor breast tissues. METHODS: Tumor and adjacent normal tissue samples from 30 patients with breast cancer were procured from the Iran National Tumor Bank of the Cancer Institute...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28163244/colonic-transcriptional-response-to-1%C3%AE-25-oh-2-vitamin-d3-in-african-and-european-americans
#20
Dereck Alleyne, David Witonsky, Brandon Mapes, Shigeki Nakagome, Meredith Sommars, Ellie Hong, Katy A Muckala, Anna Di Rienzo, Sonia S Kupfer
Colorectal cancer (CRC) is a significant health burden especially among African Americans (AA). Epidemiological studies have correlated low serum vitamin D with CRC risk, and, while hypovitaminosis D is more common and more severe in AA, the mechanisms by which vitamin D modulates CRC risk and how these differ by race are not well understood. Active vitamin D (1α,25(OH)2D3) has chemoprotective effects primarily through transcriptional regulation of target genes in the colon. We hypothesized that transcriptional response to 1α,25(OH)2D3 differs between AA and European Americans (EA) irrespective of serum vitamin D and that regulatory variants could impact transcriptional response...
February 2, 2017: Journal of Steroid Biochemistry and Molecular Biology
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