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Vitamin d survival

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https://www.readbyqxmd.com/read/28726777/humanin-g-hng-protects-age-related-macular-degeneration-amd-transmitochondrial-arpe-19-cybrids-from-mitochondrial-and-cellular-damage
#1
Sonali Nashine, Pinchas Cohen, Marilyn Chwa, Stephanie Lu, Anthony B Nesburn, Baruch D Kuppermann, M Cristina Kenney
Age-related macular degeneration (AMD) ranks third among the leading causes of visual impairment with a blindness prevalence rate of 8.7%. Despite several treatment regimens, such as anti-angiogenic drugs, laser therapy, and vitamin supplementation, being available for wet AMD, to date there are no FDA-approved therapies for dry AMD. Substantial evidence implicates mitochondrial damage and retinal pigment epithelium (RPE) cell death in the pathogenesis of AMD. However, the effects of AMD mitochondria and Humanin G (HNG), a more potent variant of the mitochondrial-derived peptide (MDP) Humanin, on retinal cell survival have not been elucidated...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28686688/therapeutic-impact-of-dietary-vitamin-d-supplementation-for-preventing-right-ventricular-remodeling-and-improving-survival-in-pulmonary-hypertension
#2
Hiroaki Tanaka, Masaharu Kataoka, Sarasa Isobe, Tsunehisa Yamamoto, Kohsuke Shirakawa, Jin Endo, Toru Satoh, Yoji Hakamata, Eiji Kobayashi, Motoaki Sano, Keiichi Fukuda
BACKGROUND: Pulmonary hypertension (PH), caused by elevated pulmonary vascular resistance, leads to right heart failure and ultimately death. Vitamin D deficiency can predispose individuals to hypertension and left ventricular dysfunction; however, it remains unknown how serum vitamin D level is related to PH and right ventricular (RV) dysfunction. METHODS: Serum 25-hydroxyvitamin D [25(OH)D] levels were assessed in PH patients for an association with disease severity...
2017: PloS One
https://www.readbyqxmd.com/read/28678758/meta-analysis-of-the-correlation-between-vitamin-d-and-lung-cancer-risk-and-outcomes
#3
Jian Liu, Yongquan Dong, Chao Lu, Yina Wang, Ling Peng, Mengjie Jiang, Yemin Tang, Qiong Zhao
In this meta-analysis, we analyzed the association between vitamin D levels and lung carcinoma risk and outcomes. Two authors independently searched the Web of Science, Pubmed, EBSCO and Ovid MEDLINE resources with the key words "vitamin D, lung cancer, solar and latitude" and enrolled 22 studies that satisfied the inclusion criteria. The summary odds ratios (ORs) with 95% confidence intervals (CIs) were calculated using the random (or fixed)-effects model. Potential confounders were carefully adjusted. High vitamin D (or calcium) intake and serum 25(OH)D levels each correlated inversely with lung cancer risk [OR = 0...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28676457/on-the-role-of-classical-and-novel-forms-of-vitamin-d-in-melanoma-progression-and-management
#4
REVIEW
Andrzej T Slominski, Anna A Brozyna, Cezary Skobowiat, Michal A Zmijewski, Tae-Kang Kim, Zorica Janjetovic, Allen S Oak, Wojciech Jozwicki, Anton M Jetten, Rebecca S Mason, Craig Elmets, We Li, Robert M Hoffman, Robert C Tuckey
Melanoma represents a significant clinical problem affecting a large segment of the population with a relatively high incidence and mortality rate. Ultraviolet radiation (UVR) is an important etiological factor in malignant transformation of melanocytes and melanoma development. UVB, while being a full carcinogen in melanomagenesis, is also necessary for the cutaneous production of vitamin D3 (D3). Calcitriol (1,25(OH)2D3) and novel CYP11A1-derived hydroxyderivatives of D3 show anti-melanoma activities and protective properties against damage induced by UVB...
July 1, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28676217/calcium-plus-vitamin-d-supplementation-and-lung-cancer-incidence-among-postmenopausal-women-in-the-women-s-health-initiative
#5
Meng-Hua Tao, Qi Dai, Shande Chen, Jo L Freudenheim, Thomas Rohan, Heather Wakelee, Mridul Datta, Jean Wactawski-Wende
BACKGROUND: Magnesium and calcium are antagonistic in many physiologic processes. However, few studies have investigated the associations of supplemental calcium with lung cancer risk taking this antagonism into account. We evaluated the effect of calcium and vitamin D supplementation on lung cancer incidence and explored whether the ratio of baseline calcium to magnesium (Ca:Mg) intake modifies the association in the Women's Health Initiative (WHI) calcium plus vitamin D supplementation (CaD) trial...
August 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28670139/younger-age-is-an-independent-predictor-of-worse-prognosis-among-lebanese-nonmetastatic-breast-cancer-patients-analysis-of-a-prospective-cohort
#6
Alissar El Chediak, Raafat S Alameddine, Ayman Hakim, Lara Hilal, Sarah Abdel Massih, Lana Hamieh, Deborah Mukherji, Sally Temraz, Maya Charafeddine, Ali Shamseddine
BACKGROUND: Several retrospective studies have reported that younger age at presentation is associated with a worse prognosis for nonmetastatic breast cancer patients. In this study, we prospectively assessed the association between different baseline characteristics (age, tumor characteristics, mode of treatment, etc) and outcomes among newly diagnosed nonmetastatic Lebanese breast cancer patients. METHODS: We recruited a sample of 123 women newly diagnosed with nonmetastatic breast cancer presenting to American University of Beirut Medical Center...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28666969/vitamin-d-regulates-osteocyte-survival-and-perilacunar-remodeling-in-human-and-murine-bone
#7
Tim Rolvien, Matthias Krause, Anke Jeschke, Timur Yorgan, Klaus Püschel, Thorsten Schinke, Björn Busse, Marie B Demay, Michael Amling
Osteocytes are the most abundant bone cells and are highly regulated by external stimuli. Vitamin D and osteocytes cooperatively regulate bone remodeling as well as phosphate and calcium homeostasis. However, it is unclear if vitamin D regulates osteocyte number, connectivity or size in the setting of altered bone formation or impaired mineralization. Sixty iliac crest biopsies of patients with varying vitamin D levels were examined to analyze osteocyte number, osteocyte connectivity and osteocyte viability using high-resolution imaging...
June 27, 2017: Bone
https://www.readbyqxmd.com/read/28663327/prognostic-value-of-vitamin-d-receptor-and-insulin-like-growth-factor-receptor-1-expression-in-triple-negative-breast-cancer
#8
Martina Soljic, Ivana Mrklic, Snjezana Tomic, Tomislav Omrcen, Nikica Sutalo, Milenko Bevanda, Eduard Vrdoljak
AIM: Triple-negative breast cancer (TNBC) is characterised by shorter overall survival and an early peak of distant recurrences with still no specific targeted treatment available. Vitamin D receptor (VDR) and insulin-like growth factor receptor 1 (IGFR) have recently been described as potential new targets for anticancer therapy, yet their roles in TNBCs are still to be explored. In this study we investigated VDR and IGFR expression in patients with TNBC and compared them with clinical and pathological parameters and survival to possibly demonstrate their prognostic and therapeutic relevance...
June 29, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28654155/incidence-of-hematologic-malignancy-and-cause-specific-mortality-in-the-women-s-health-initiative-randomized-controlled-trial-of-calcium-and-vitamin-d-supplementation
#9
Eric M Ammann, Matthew T Drake, Bjarni Haraldsson, Robert B Wallace, Karen C Johnson, Pinkal Desai, Emily M Lin, Brian K Link
BACKGROUND: Prior evidence of a possible link between vitamin D status and hematologic malignancy (HM) in humans comes from observational studies, leaving unresolved the question of whether a true causal relationship exists. METHODS: The authors performed a secondary analysis of data from the Women's Health Initiative Calcium/Vitamin D (CaD) trial, a large randomized controlled trial of CaD supplementation compared with placebo in older women. Kaplan-Meier and Cox proportional hazards survival analysis methods were used to evaluate the relationship between treatment assignment and 1) incident HM and 2) HM-specific mortality over 10 years following randomization...
June 27, 2017: Cancer
https://www.readbyqxmd.com/read/28625255/-effect-of-vitamin-d3-on-the-severity-and-prognosis-of-patients-with-sepsis-a-prospective-randomized-double-blind-placebo-study
#10
Fulai Ding, Bin Zang, Jiahong Fu, Kaiqiang Ji
OBJECTIVE: To observe the relationship between vitamin D3 and the severity as well as prognosis in patients with sepsis, and to explore whether exogenous vitamin D3 can improve the prognosis in patients with sepsis. METHODS: A prospective randomized double-blind placebo study was conducted. Fifty-seven patients with sepsis admitted to intensive care unit (ICU) of Shengjing Hospital Affiliated to China Medical University from March to November in 2015 were enrolled...
February 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28601647/metalloproteomic-and-differential-expression-in-plasma-in-a-rat-model-of-type-1-diabetes
#11
Camila Pereira Braga, José Cavalcante Souza Vieira, Aline de Lima Leite, Ana Angélica Henrique Fernandes, Marília Afonso Rabelo Buzalaf, Pedro de Magalhães Padilha
Type 1 diabetes is characterized by hyperglycemia, which in the chronic stage is associated with abnormalities in lipids, protein and, carbohydrate metabolism, as well as oxidative stress. New strategies for prevention and treatment are needed, as type 1 diabetes affects life quality and survival, and involves high-cost treatment. Proteomic and metalloproteomic studies can elucidate the functional and physiological aspects of biomolecules. In the present study, differential proteomics was used to identify potential biomarkers of diabetes in rat plasma associated with copper, selenium, zinc, and magnesium fractionation in control and diabetic rats, as well as diabetic rats treated with insulin...
June 8, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28594987/vitamin-d-and-breast-cancer-survival-the-good-and-the-bad
#12
Raffaella Mormile
No abstract text is available yet for this article.
June 8, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28594965/vitamin-d-and-breast-cancer-survival-the-good-and-the-bad
#13
Alain Braillon
No abstract text is available yet for this article.
June 8, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28594964/vitamin-d-and-breast-cancer-survival-in-reply
#14
Song Yao, Christine B Ambrosone, Lawrence H Kushi
No abstract text is available yet for this article.
June 8, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28589744/circulating-vitamin-d-and-overall-survival-in-breast-cancer-patients-a-dose-response-meta-analysis-of-cohort-studies
#15
Kejia Hu, David Frederick Callen, Jiayuan Li, Hong Zheng
Studies have shown that vitamin D could have a role in breast cancer survival; however, the evidence of the relationship between patients' vitamin D levels and their survival has been inconsistent. This meta-analysis explores possible dose-response relationships between vitamin D levels and overall survival by allowing for differences in vitamin D levels among populations of the various studies. Studies relating vitamin D (25-OH-D [25-hydroxyvitamin D]) levels in breast cancer patients with their survival were identified by searching PubMed and Embase...
May 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28586047/identification-and-functional-analysis-of-the-risk-micrornas-associated-with-cerebral-low-grade-glioma-prognosis
#16
Xinrui Liu, Bin Song, Shanji Li, Nan Wang, Hongfa Yang
Low-grade gliomas (LGGs) are associated with neurological disability. The present study used microRNA (miRNA) expression profiles to identify risk miRNAs for potential prognosis of cerebral LGGs. miRNA expression profiles and clinical data from 408 patients with cerebral LGGs were obtained from the Cancer Genome Atlas database. Risk miRNAs were identified by plotting Kaplan‑Meier curves and Cox proportional hazard regression analysis with the survival and KMsurv packages in R. A regulatory network of miRNA‑targets was constructed, followed by gene ontology (GO) function and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis using the Database for Annotation, Visualization and Integrated Discovery...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28543886/human-hairless-protein-roles-in-skin-hair-and-emerging-connections-to-brain-and-other-cancers
#17
Anas Maatough, G Kerr Whitfield, Lemlem Brook, David Hsieh, Patricia Palade, Jui-Cheng Hsieh
The mammalian hairless protein (HR) is a 130 kDa nuclear transcription factor that is essential for proper skin and hair follicle function. Previous studies have focused on the role of HR in skin maintenance and hair cycling. However, hairless gene (HR) is also expressed in brain and other tissues, where its role remains poorly understood. HR has been reported to contain functional domains that potentially serve in DNA binding, histone demethylation, nuclear translocation signal, and protein-protein interactions...
May 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28542114/predictors-of-pouchitis-after-ileal-pouch-anal-anastomosis-in-pediatric-onset-ulcerative-colitis
#18
Firas Rinawi, Amit Assa, Rami Eliakim, Yael Mozer Glassberg, Vered Nachmias Friedler, Yaron Niv, Yoram Rosenbach, Ari Silbermintz, Noam Zevit, Raanan Shamir
OBJECTIVES: Few studies have reported on the incidence and risk factors for pouchitis following colectomy and ileal pouch-anal anastomosis (IPAA) in patients with pediatric-onset ulcerative colitis (UC). We aimed to determine clinical predictors for the development of pouchitis following IPAA in this population. PATIENTS AND METHODS: We performed a retrospective chart review of all pediatric UC cases that were diagnosed at the Schneider Children's Medical Center of Israel between 1981 and 2013 and who underwent colectomy during disease course...
May 24, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28508087/the-vitamin-d-for-enhancing-the-immune-system-in-cystic-fibrosis-disc-trial-rationale-and-design-of-a-multi-center-double-blind-placebo-controlled-trial-of-high-dose-bolus-administration-of-vitamin-d3-during-acute-pulmonary-exacerbation-of-cystic-fibrosis
#19
Vin Tangpricha, Ellen M Smith, Jose Binongo, Suzanne E Judd, Thomas R Ziegler, Seth Walker, Rabindra Tirouvanziam, Susu M Zughaier, Moon Jeong Lee, Supavit Chesdachai, Wendy A Hermes, James F Chmiel, Amit Gaggar, Ruth E Grossmann, Patricia M Joseph, Jessica A Alvarez
Vitamin D deficiency is highly prevalent in children and adults with cystic fibrosis (CF). Recent studies have found an association between vitamin D status and risk of pulmonary exacerbations in children and adults with CF. The ongoing Vitamin D for enhancing the Immune System in Cystic fibrosis (DISC) study is a multi-center, double-blind, randomized, placebo-controlled trial that will test the hypothesis of whether high dose vitamin D given as a single oral bolus of 250,000 IU to adults with CF during a pulmonary exacerbation followed by a maintenance dose of vitamin D will improve time to next pulmonary exacerbation and re-hospitalization, improve survival and lung function compared to placebo and reduce the rates of pulmonary exacerbation,...
June 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28499709/mortality-in-dialysis-patients-with-cinacalcet-use-a-large-observational-registry-study
#20
Claudia Friedl, Gilbert Reibnegger, Reinhard Kramar, Emanuel Zitt, Stefan Pilz, Johannes F E Mann, Alexander R Rosenkranz
BACKGROUND: Secondary hyperparathyroidism (sHPT) is associated with higher mortality in dialysis patients. The calcimimetic cinacalcet reduces intact parathyroid hormone (iPTH) in dialysis patients. The randomized controlled EVOLVE trial failed to unequivocally prove survival advantage of cinacalcet in dialysis patients. However, recent post hoc analyses suggested a benefit in subgroups of dialysis patients. Large observational cohort studies may represent an option to better determine such subgroups...
July 2017: European Journal of Internal Medicine
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