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Vitamin d survival

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https://www.readbyqxmd.com/read/28108628/metabolic-reprogramming-by-folate-restriction-leads-to-a-less-aggressive-cancer-phenotype
#1
Zahra Ashkavand, Ciara O'Flanagan, Mirko Hennig, Xiuxia Du, Stephen D Hursting, Sergey A Krupenko
: Folate coenzymes are involved in biochemical reactions of one-carbon transfer, and deficiency of this vitamin impairs cellular proliferation, migration, and survival in many cell types. Here, the effect of folate restriction on mammary cancer was evaluated using three distinct breast cancer subtypes differing in their aggressiveness and metastatic potential: noninvasive basal-like (E-Wnt), invasive but minimally metastatic claudin-low (M-Wnt), and highly metastatic claudin-low (metM-Wnt(liver)) cell lines, each derived from the same pool of MMTV-Wnt-1 transgenic mouse mammary tumors...
January 20, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28078842/remission-effect-of-vitamin-c-on-isoflurane-induced-apoptosis-and-its-mechanism
#2
J Hu, B F Gao, H Q Li, Z Z Zhang, Y L Lei, G Q Sun, D M Guo
This study aims to discuss the remission effect of vitamin C on isoflurane-induced apoptosis of rats and its possible mechanism of action, to provide a theoretical basis for postoperative cognitive impairment. Reactive oxygen species (ROS) detection, adenosine triphosphate (ATP) test, MTT method and Morris water maze were applied for detection tests. For data statistics, double factor analysis of variance (ANOVA) and post hoc Bonferroni test were adopted. It was found that vitamin C could slow down the isoflurane-induced accumulation of ROS in H4-APP cells; moreover, it could relieve the activation of caspase-3 and increase cell survival rate to inhibit the occurrence of apoptosis, indicating that ROS was the source of cell toxicity...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28065758/vitamin-e-reduces-endosulfan-induced-toxic-effects-on-morphology-and-behavior-in-early-development-of-zebrafish-danio-rerio
#3
K Dale, J D Rasinger, K L Thorstensen, S Penglase, S Ellingsen
The aim of this study was to investigate if vitamin E (α-TOC) modulates the developmental toxicity of the pesticide endosulfan (ESF), using a modified zebrafish embryotoxicity test (ZET). Zebrafish (Danio rerio) embryos were exposed from 6 to 72 h post fertilization (hpf) to either ESF (0.1-50 mg/L) or α-TOC (0.01-3 mM) alone or in combination. The effects of these exposures on embryonic morphology, larval behavior and antioxidant gene expression were analyzed. Phenotypic analysis at 48 hpf showed that ESF led to a dose-dependent increase in embryonic deformities, including axis malformations, pericardial edema and reduced pigmentation...
January 6, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28045952/predictive-factors-of-one-year-mortality-in-a-cohort-of-patients-undergoing-urgent-start-hemodialysis
#4
Luciene P Magalhães, Luciene M Dos Reis, Fabiana G Graciolli, Benedito J Pereira, Rodrigo B de Oliveira, Altay A L de Souza, Rosa M Moyses, Rosilene M Elias, Vanda Jorgetti
BACKGROUND: Chronic kidney disease (CKD) affects 10-15% of adult population worldwide. Incident patients on hemodialysis, mainly those on urgent-start dialysis at the emergency room, have a high mortality risk, which may reflect the absence of nephrology care. A lack of data exists regarding the influence of baseline factors on the mortality of these patients. The aim of this study was to evaluate the clinical and laboratory characteristics of this population and identify risk factors that contribute to their mortality...
2017: PloS One
https://www.readbyqxmd.com/read/28045548/vitamin-d-reduces-colitis-and-inflammation-associated-colorectal-cancer-in-mice-independent-of-nod2
#5
Ihsan Elimrani, Jamie Koenekoop, Serge Dionne, Valerie Marcil, Edgar Delvin, Emile Levy, Ernest G Seidman
Inflammatory bowel disease (IBD) patients are at increased risk of developing colorectal cancer (CRC). Vitamin D (vD) induces NOD2 gene expression, enhancing immunity, while deficiency impairs intestinal epithelial integrity, increasing inflammation. This study investigated the effect of vD on CRC in colitis, and if preventive benefits are mediated via NOD2. Inflammation-associated CRC was induced by treating C57BL/6J and Nod2(-/-) mice with azoxymethane (AOM) and dextran sodium sulfate (DSS) cycles (×3). vD-deficient mice displayed more severe colitis compared to vD-supplemented mice, with greater weight loss, higher colitis activity index, increased colonic weight/length ratios, and lower survival rates...
January 3, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28044233/management-of-secondary-hyperparathyroidism-how-and-why
#6
REVIEW
Hirotaka Komaba, Takatoshi Kakuta, Masafumi Fukagawa
Secondary hyperparathyroidism (SHPT) is a common complication in chronic kidney disease. Currently, various treatment options are available, including vitamin D receptor activators, cinacalcet hydrochloride, and parathyroidectomy. These treatment options have contributed to the successful control of SHPT, and recent clinical studies have provided evidence suggesting that effective treatment of SHPT leads to improved survival. Although bone disease is the most widely recognized consequence of SHPT and remains a major target for treatment of SHPT, there is increasing evidence that parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF23), both of which are markedly elevated in SHPT, have multiple adverse effects on extraskeletal tissues...
January 2, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28030966/systemic-drugs-that-influence-titanium-implant-osseointegration
#7
Dragos Apostu, Ondine Lucaciu, Gheorghe Dan Osvald Lucaciu, Bogdan Crisan, Liana Crisan, Mihaela Baciut, Florin Onisor, Grigore Baciut, Radu Septimiu Câmpian, Simion Bran
Titanium implants are widely used on an increasing number of patients in orthopedic and dental medicine. Despite the good survival rates of these implants, failures that lead to important socio-economic consequences still exist. Recently, research aimed at improving implant fixation, a process called osseointegration, has focused on a new, inovative field: systemic delivery of drugs. Following implant fixation, patients receive systemic drugs that could either impair or enhance osseointegration; these drugs include anabolic and anti-catabolic bone-acting agents in addition to new treatments...
December 28, 2016: Drug Metabolism Reviews
https://www.readbyqxmd.com/read/28027912/integrative-genomic-approaches-to-dissect-clinically-significant-relationships-between-the-vdr-cistrome-and-gene-expression-in-primary-colon-cancer
#8
REVIEW
Mark D Long, Moray J Campbell
Recently, we undertook a pan-cancer analyses of the nuclear hormone receptor (NR) superfamily in The Cancer Genome Atlas (TCGA), and revealed that the vitamin D receptor (NR1I1/VDR) was commonly and significantly down-regulated specifically in colon adenocarcinoma cohort (COAD). To examine the consequence of down-regulated VDR expression we re-analyzed VDR chromatin immunoprecipitation sequencing (ChIP-Seq) data from LS180 colon cancer cells (GSE31939). This analysis identified 1809 loci that displayed significant (p...
December 24, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28025971/-primary-and-secondary-prevention-of-hip-fragility-fracture-in-teruel-health-sector-aragon-spain
#9
Rafael Gómez Navarro, Paloma González García, Carlos Martín Hernández, Ángel Castro Sauras, Santiago Valdearcos Enguídanos
OBJECTIVE: Osteoporosis should be prevented, diagnosed and treated, preferably before the fragility fracture occurs. The objective was to analyze primary and secondary interventions carried out in individuals diagnosed with femur fragility fracture at Teruel in 2014. METHODS: Descriptive retrospective study. Variables assessed were sex, age, main health district, place of residence, basal functional situation, diagnosis on osteoporosis, hip or vertebral fracture, loss of height, use of FRAX tool, treatment on discharge, survival and cause of exitus...
January 2, 2017: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/27994981/one-year-mortality-after-severe-copd-exacerbation-in-bulgaria
#10
Evgeni Mekov, Yanina Slavova, Adelina Tsakova, Marianka P Genova, Dimitar T Kostadinov, Delcho Minchev, Dora Marinova, Mihail A Boyanov
INTRODUCTION: One-year mortality in COPD patients is reported to be between 4% and 43%, depending on the group examined. AIM: To examine the one-year mortality in COPD patients after severe exacerbation and the correlation between mortality and patients' characteristics and comorbidities. METHODS: A total of 152 COPD patients hospitalized for severe exacerbation were assessed for vitamin D status, diabetes mellitus (DM), arterial hypertension (AH), and metabolic syndrome (MS)...
2016: PeerJ
https://www.readbyqxmd.com/read/27993842/exercise-induced-biochemical-changes-and-their-potential-influence-on-cancer-a-scientific-review
#11
Robert James Thomas, Stacey A Kenfield, Alfonso Jimenez
AIM: To review and discuss the available international literature regarding the indirect and direct biochemical mechanisms that occur after exercise, which could positively, or negatively, influence oncogenic pathways. METHODS: The PubMed, MEDLINE, Embase and Cochrane libraries were searched for papers up to July 2016 addressing biochemical changes after exercise with a particular reference to cancer. The three authors independently assessed their appropriateness for inclusion in this review based on their scientific quality and relevance...
December 19, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27983538/vitamin-d-deficiency-is-associated-with-a-poor-prognosis-in-advanced-non-small-cell-lung-cancer-patients-treated-with-platinum-based-first-line-chemotherapy
#12
Kewei Ma, Wang Xu, Chang Wang, Biao Li, Keju Su, Wei Li
OBJECTIVES: This study aimed to examine the prognostic role of the plasma 25-hydroxyvitamin D (25(OH)D) level in advanced non-small cell lung cancer (NSCLC) patients treated with platinum-based doublet first-line chemotherapy. METHODS: A total of 195 advanced NSCLC patients were consecutively and prospectively hospitalized to receive platinum-based first-line chemotherapy. The baseline 25(OH)D level was measured at the time of diagnosis. Main outcome measures included overall survival (OS) and progression-free survival (PFS)...
December 9, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27958342/longitudinal-observational-study-on-associations-between-postoperative-nutritional-vitamin-d-supplementation-and-clinical-outcomes-in-esophageal-cancer-patients-undergoing-esophagectomy
#13
Lu Wang, Cong Wang, Jiangfeng Wang, Xiaochen Huang, Yufeng Cheng
Vitamin D can exert anticancer effect beyond bone and calcium metabolism. We aimed to investigate whether postoperative vitamin D supplementation affects quality of life (QOL) and survival in esophageal cancer (EC) patients. We utilized the widely used EORTC QLQ-C30 and QLQ-OES18 to assess QOL at EC diagnosis and 24 months after surgery. Generalized estimating equations (GEEs) were used to analysis the association of vitamin D supplement use with QOL. Kaplan-Meier method and Cox regression model were used to evaluate the prognostic value of vitamin D supplementation...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27931576/development-and-applicability-of-the-a-p-200-criteria-for-liver-transplantation-for-hepatocellular-carcinoma
#14
K Yang, T B Lee, B H Choi, Y M Park, J H Ryu, D J Joo, C W Chu
BACKGROUND: The Milan criteria are widely accepted for indicating liver transplantation in patients with hepatocellular carcinoma (HCC). However, a 7% to 20% possibility of HCC recurrence remains, even among patients who fulfill the Milan criteria. METHODS: We retrospectively reviewed 88 patients with HCC who underwent liver transplantation at Pusan National University Yangsan Hospital between May 2010 and December 2014. The risk factors for HCC recurrence were analyzed, and the overall survival and disease-free survival rates were calculated based on each risk factor...
December 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27919743/dual-antiplasmodial-activity-of-vitamin-d3-and-its-analog-22-oxacalcitriol-by-direct-and-indirect-mechanisms
#15
Kiichi Yamamoto, Moritoshi Iwagami, Takenori Seki, Shigeyuki Kano, Nobuo Ota, Manabu Ato
Recent evidence suggests that 1α,25-dihydroxyvitamin D3 (calcitriol, VD3), the active form of vitamin D (VD), can inhibit the proliferation of microorganisms. In the present study, we conducted in vitro experiments and utilized in vivo murine models to investigate the antimalarial activity of VD3 and its analog, 22-oxacalcitriol (22-OCT), which was designed to cause less hypercalcemia than VD3. VD3 and 22-OCT treatments effectively resolved a Plasmodium chabaudi (Pc) infection in wild-type mice. Reduced parasitemia was observed during the acute phase of infection in the presence of VD3 and 22-OCT, followed by a delayed peak during the chronic stage of infection...
December 2, 2016: Parasitology International
https://www.readbyqxmd.com/read/27914497/acute-management-of-stroke-patients-taking-non-vitamin-k-antagonist-oral-anticoagulants-addressing-real-world-anticoagulant-management-issues-in-stroke-aramis-registry-design-and-rationale
#16
Ying Xian, Adrian F Hernandez, Tina Harding, Gregg C Fonarow, Deepak L Bhatt, Robert E Suter, Yosef Khan, Lee H Schwamm, Eric D Peterson
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs, dabigatran, rivaroxaban, apixaban, and edoxaban) have been increasingly used as alternatives to warfarin for stroke prophylaxis in patients with atrial fibrillation. Yet there is substantial lack of information on how patients on NOACs are currently treated when they have an acute ischemic stroke and the best strategies for treating intracerebral hemorrhage for those on chronic anticoagulation with warfarin or a NOAC. These are critical unmet needs for real world clinical decision making in these emergent patients...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27905097/novel-biomarkers-in-primary-breast-core-biopsies-to-predict-poor-response-to-neoadjuvant-chemotherapy-and-appearance-of-metastases
#17
Anna Novell, Serafin Morales, Joan Valls, Maria José Panadés, Antonieta Salud, Edelmiro Iglesias, Felip Vilardell, Xavier Matias-Guiu, Antonio Llombart-Cussac
Drug resistance has been one of the major obstacles limiting the success of cancer chemotherapy. In two thirds of breast cancer patients, large (>1cm) residual tumors are present after neoadjuvant chemotherapy (NCT). The residual tumor and involved nodes have been indicators of relapse and survival very important in breast cancer. The goal of this preliminary study was to assess the predictive significance of a panel of molecular biomarkers, related with the response to treatment or drug resistance to NCT, as determined on the diagnostic tumor...
December 1, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27904547/the-effect-of-vitamin-d-administration-on-serum-leptin-and-adiponectin-levels-in-end-stage-renal-disease-patients-on-hemodialysis-with-vitamin-d-deficiency-a-placebo-controlled-double-blind-clinical-trial
#18
Afsoon Emami Naini, Sahar Vahdat, Zahra Parin Hedaiati, Safoura Shahzeidi, Amir Hossein Pezeshki, Hamid Nasri
BACKGROUND: The prevalence of vitamin D deficiency is higher in end-stage renal disease (ESRD) patients compared to healthy populations. This deficiency could lead to several complications with different mechanisms and might result in reduced survival in patients. Leptin and adiponectin are messenger proteins with endocrine secretion from adipocytes and various effects in cellular mechanisms. The goal of this study was to find the effect of vitamin D administration on serum levels of leptin and adiponectin in ESRD patients...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27902981/calcitriol-reduces-eosinophil-necrosis-which-leads-to-the-diminished-release-of-cytotoxic-granules
#19
Caroline Ethier, Yingqi Yu, Lisa Cameron, Paige Lacy, Francis Davoine
BACKGROUND: Asthma severity and eosinophilia correlate with a deficiency in vitamin D and its active metabolite calcitriol. Calcitriol modulates numerous leukocyte functions, but its effect on eosinophils is not fully understood. We postulated that calcitriol exerts a direct effect on eosinophil biology by modulating cell survival. METHODS: Purified peripheral blood eosinophils from atopic donors were incubated in the presence of calcitriol for up to 14 days with or without IL-5...
2016: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/27897391/a-systematic-review-on-the-role-of-vitamins-minerals-proteins-and-other-supplements-for-the-treatment-of-cachexia-in-cancer-a-european-palliative-care-research-centre-cachexia-project
#20
REVIEW
Mochamat, Henning Cuhls, Milka Marinova, Stein Kaasa, Christiane Stieber, Rupert Conrad, Lukas Radbruch, Martin Mücke
We provide a systematic review to support the European Palliative Care Research Collaboration development of clinical guidelines for cancer patients suffering from cachexia. CENTRAL, MEDLINE, PsycINFO, ClinicalTrials.gov, and a selection of cancer journals have been searched up until 15 April 2016. The systematic literature research yielded 4214 publications with 21 of these included in the final evaluation. Regarding minerals, our search identified only one study examining the use of magnesium with no effect on weight loss...
July 20, 2016: Journal of Cachexia, Sarcopenia and Muscle
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