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Vitamine D MI

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https://www.readbyqxmd.com/read/29573957/vitamin-d-improves-cardiac-function-after-myocardial-infarction-through-modulation-of-resident-cardiac-progenitor-cells
#1
Thi Y L Le, Masahito Ogawa, Eddy Kizana, Jenny E Gunton, James J H Chong
BACKGROUND: Vitamin D has been implicated in the prevention of heart failure. However the underlying mechanism remains unclear. We hypothesised that these effects may be partially mediated by cardiac stem/progenitor cells (CPCs). Therefore, we examined the effects of 1,25-dihydroxyvitamin D3 (1,25D) on cell cycle activity and differentiation of a previously described CPC population called cardiac colony-forming unit fibroblasts (cCFU-Fs). METHODS: cCFU-Fs were isolated from adult male C57Bl/6 mouse hearts using fluorescence-activated cell sorting...
February 3, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29399021/25-hydroxyvitamin-d-levels-was-not-associated-with-blood-pressure-and-arterial-stiffness-in-patients-with-chronic-kidney-disease
#2
Kyung Mi Park, Hak Hoon Jun, Jinkun Bae, Yu Bum Choi, Dong Ho Yang, Hye Yun Jeong, Mi Jung Lee, So-Young Lee
Background: We investigated the effect of vitamin D deficiency on cardiovascular risk profiles in an Asian population with chronic kidney disease (CKD). Methods: A total of 210 participants (62 non-dialysis CKD patients and 148 hemodialysis [HD] patients) were enrolled between December 2009 and February 2010. Vitamin D deficiency was determined using the serum 25-hydroxyvitamin D [25(OH)D] concentration. Blood pressure and arterial stiffness were measured. Subjects were divided into groups according to 25(OH)D concentration based on a cut-off of 13...
December 2017: Electrolyte & Blood Pressure: E & BP
https://www.readbyqxmd.com/read/29382742/5%C3%AE-dihydrotestosterone-reduces-renal-cyp24a1-expression-via-suppression-of-progesterone-receptor
#3
Sang R Lee, Mi-Young Park, Hyun Yang, Geun-Shik Lee, Beum-Soo An, Bae-Kuen Park, Eui-Bae Jeung, Eui-Ju Hong
Androgens act in concert with vitamin D to influence reabsorption of calcium. However, it is unclear whether androgens directly regulate vitamin D homeostasis or control other cellular events that are related to vitamin D metabolism. To examine whether the expression of vitamin D-related genes in mouse kidney is driven by androgens or androgen-dependent effects, the androgen receptor and other sex steroid receptors were monitored in orchidectomized mice treated with 5α-dihydrotestosterone (DHT). Our results revealed that exposing orchidectomized mice to DHT inhibited the expression of progesterone receptor (Pgr) with or without estrogen receptor α expression, the latter was confirmed by ER-positive (MCF7 and T47D) or -negative (PCT) cells analysis...
February 2018: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/29314248/calcium-and-vitamin-d-supplementation-are-not-associated-with-risk-of-incident-ischemic-cardiac-events-or-death-findings-from-the-uk-biobank-cohort
#4
Nicholas C Harvey, Stefania D'Angelo, Julien Paccou, Elizabeth M Curtis, Mark Edwards, Zahra Raisi-Estabragh, Karen Walker-Bone, Steffen E Petersen, Cyrus Cooper
We investigated associations between calcium/vitamin D supplementation and incident cardiovascular events/deaths in a UK population-based cohort. UK Biobank is a large prospective cohort comprising 502,637 men and women aged 40 to 69 years at recruitment. Supplementation with calcium/vitamin D was self-reported, and information on incident hospital admission (ICD-10) for ischemic heart disease (IHD), myocardial infarction (MI), and subsequent death was obtained from linkage to national registers. Cox proportional hazards models were used to investigate longitudinal relationships between calcium/vitamin D supplementation and hospital admission for men/women, controlling for covariates...
January 4, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29230421/association-of-vitamin-d-deficiency-and-degree-of-coronary-artery-disease-in-cardiac-patients-with-type-2-diabetes
#5
Ewelina A Dziedzic, Jakub S Gąsior, Mariusz Pawłowski, Marek Dąbrowski
Several modifiable factors may influence cardiac function in diabetic patients. The aim of the study was to evaluate the influence of vitamin D level on the stage of coronary atherosclerosis in cardiac patients diagnosed with type 2 diabetes. The study was performed in 337 consecutive patients undergoing coronarography. The stage of atherosclerosis was evaluated using Coronary Artery Surgery Study Score. The plasma 25(OH)D concentration was determined by an electrochemiluminescence method. Patients without significant lesions in coronary arteries presented the highest 25(OH)D level, significantly higher than patients with one-, two-, and three-vessel coronary artery disease (CAD) ( p < 0...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/29212598/the-association-between-vitamin-d-deficiency-and-metabolic-syndrome-in-korean-adolescents
#6
Yoon-Sook Kim, Jeong Hae Hwang, Mi Ryeong Song
PURPOSE: This study aimed to analyze the demographic characteristics associated with vitamin D deficiency, as well as the association between vitamin D deficiency and metabolic syndrome, among Korean adolescents. DESIGN AND METHODS: This cross-sectional descriptive study involved 2314 adolescents aged 12-18years. Participant data were extracted from the Korean National Health and Nutrition Examination Survey conducted between January 2010 and December 2014. A logistic regression analysis was performed to analyze the association between vitamin D and metabolic syndrome...
January 2018: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29181077/updated-analysis-of-vitamin-d-receptor-gene-foki-polymorphism-and-prostate-cancer-susceptibility
#7
Yuan-Yuan Mi, Yang-Zhi Chen, Jing Chen, Li-Feng Zhang, Li Zuo, Jian-Gang Zou
Introduction: Polymorphisms of the vitamin D receptor (VDR) gene have been investigated in various case-control studies to evaluate prostate cancer susceptibility; however, published data on the association between vitamin D receptor gene FokI polymorphism and prostate cancer risk are inconclusive. Material and methods: To assess the impact of vitamin D receptor gene FokI polymorphism, we performed a meta-analysis of eligible studies including 9,720 patients and 9,710 control subjects...
October 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/29123386/geroprotectors-as-a-therapeutic-strategy-for-copd-where-are-we-now
#8
REVIEW
Joanna Miłkowska-Dymanowska, Adam J Białas, Joanna Makowska, Aleksandra Wardzynska, Paweł Górski, Wojciech J Piotrowski
Although current therapies in chronic obstructive pulmonary disease (COPD) improve the quality of life, they do not satisfactorily reduce disease progression or mortality. There are still many gaps in knowledge about the cellular, molecular, and genetic mechanisms contributing to pathobiology of this disease. However, increasing evidence suggests that accelerated aging, chronic systemic inflammation, and oxidative stress play major roles in pathogenesis in COPD, thus opening new opportunities in therapy. Therefore, the aim of our review was to describe and discuss some of the most widely used therapeutics that affect the root cause of aging and oxidative stress (metformin, melatonin, sirolimus, statins, vitamin D, and testosterone) in context of COPD therapy...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29042901/vitamin-d-and-hypertension
#9
REVIEW
Hye Yun Jeong, Kyung Mi Park, Mi Jung Lee, Dong Ho Yang, Sang Hoon Kim, So-Young Lee
Vitamin D has the pleiotropic effects in multiple organ systems, and vitamin D deficiency was suggested to be associated with high blood pressure according to previous reports. Several interventional studies have examined the effect of vitamin D supplementation on high blood pressure patients, but the results have been inconsistent. In this article, we examined the literature that have proposed a mechanism involving vitamin D in the regulation of blood pressure and review previous observational and interventional studies that have shown the relationship between vitamin D and hypertension among various populations...
September 2017: Electrolyte & Blood Pressure: E & BP
https://www.readbyqxmd.com/read/29030554/hdx-reveals-the-conformational-dynamics-of-dna-sequence-specific-vdr-co-activator-interactions
#10
Jie Zheng, Mi Ra Chang, Ryan E Stites, Yong Wang, John B Bruning, Bruce D Pascal, Scott J Novick, Ruben D Garcia-Ordonez, Keith R Stayrook, Michael J Chalmers, Jeffrey A Dodge, Patrick R Griffin
The vitamin D receptor/retinoid X receptor-α heterodimer (VDRRXRα) regulates bone mineralization via transcriptional control of osteocalcin (BGLAP) gene and is the receptor for 1α,25-dihydroxyvitamin D3 (1,25D3). However, supra-physiological levels of 1,25D3 activates the calcium-regulating gene TRPV6 leading to hypercalcemia. An approach to attenuate this adverse effect is to develop selective VDR modulators (VDRMs) that differentially activate BGLAP but not TRPV6. Here we present structural insight for the action of a VDRM compared with agonists by employing hydrogen/deuterium exchange...
October 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/28882133/is-a-motivational-interviewing-based-lifestyle-intervention-for-obese-pregnant-women-across-europe-implemented-as-planned-process-evaluation-of-the-dali-study
#11
Judith G M Jelsma, David Simmons, Nina Gobat, Stephen Rollnick, Kinga Blumska, Goele Jans, Sander Galjaard, Gernot Desoye, Rosa Corcoy, Fabiola Juarez, Alexandra Kautzky-Willer, Jürgen Harreiter, Andre van Assche, Roland Devlieger, Dirk Timmerman, David Hill, Peter Damm, Elisabeth R Mathiesen, Ewa Wender-Ożegowska, Agnieszka Zawiejska, Annunziata Lapolla, Maria G Dalfrà, Stefano Del Prato, Alessandra Bertolotto, Fidelma Dunne, Dorte M Jensen, Liselotte Andersen, Frank J Snoek, Mireille N M van Poppel
BACKGROUND: Process evaluation is an essential part of designing and assessing complex interventions. The vitamin D and lifestyle intervention study (DALI) study is testing different strategies to prevent development of gestational diabetes mellitus among European obese pregnant women with a body mass index ≥29 kg/m(2). The intervention includes guidance on physical activity and/or healthy eating by a lifestyle coach trained in motivational interviewing (MI). The aim of this study was to assess the process elements: reach, dose delivered, fidelity and satisfaction and to investigate whether these process elements were associated with changes in gestational weight gain (GWG)...
September 7, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28860784/effect-of-additive-calcium-administration-on-fgf23-levels-in-patients-with-mild-chronic-kidney-disease-treated-with-calcitriol-a-randomized-open-labeled-clinical-trial
#12
Nayoung Han, Su Hyun Hong, Yon Su Kim, Dong Ki Kim, In-Wha Kim, Eunhee Ji, Jung Mi Oh
BACKGROUND: The purpose of the present study was to determine the effect of additional calcium carbonate treatment on fibroblast growth factor 23 (FGF23) levels in patients treated with calcitriol. METHODS: In this randomized, open-labeled, and parallel-group study, a total of 30 patients with early chronic kidney disease (CKD) and vitamin D deficiency were randomly assigned to two groups and received interventions for 8 weeks: 1) a combination of calcium carbonate and calcitriol group; and 2) calcitriol only group...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28766554/campylobacter-jejuni-impairs-sodium-transport-and-epithelial-barrier-function-via-cytokine-release-in-human-colon
#13
R Bücker, S M Krug, V Moos, C Bojarski, M R Schweiger, M Kerick, A Fromm, S Janßen, M Fromm, N A Hering, B Siegmund, T Schneider, C Barmeyer, J D Schulzke
Campylobacter jejuni is the most prevalent cause of foodborne bacterial enteritis worldwide. Patients present with diarrhea and immune responses lead to complications like arthritis and irritable bowel syndrome. Although studies exist in animal and cell models, we aimed at a functional and structural characterization of intestinal dysfunction and the involved regulatory mechanisms in human colon. First, in patients' colonic biopsies, sodium malabsorption was identified as an important diarrheal mechanism resulting from hampered epithelial ion transport via impaired epithelial sodium channel (ENaC) β- and γ-subunit...
August 2, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28765576/visualization-of-synthetic-vascular-smooth-muscle-cells-in-atherosclerotic-carotid-rat-arteries-by-f-18-fdg-pet
#14
Kisoo Pahk, Chanmin Joung, Se-Mi Jung, Hwa Young Song, Ji Yong Park, Jung Woo Byun, Yun-Sang Lee, Jin Chul Paeng, Chunsook Kim, Sungeun Kim, Won-Ki Kim
Synthetic vascular smooth muscle cells (VSMCs) play important roles in atherosclerosis, in-stent restenosis, and transplant vasculopathy. We investigated the synthetic activity of VSMCs in the atherosclerotic carotid artery using (18)F-fluorodeoxyglucose (FDG) positron emission tomography (PET). Atherosclerosis was induced in rats by partial ligation of the right carotid artery coupled with an atherogenic diet and vitamin D injections (2 consecutive days, 600,000 IU/day). One month later, rats were imaged by F-18 FDG PET...
August 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28751811/the-association-between-serum-ferritin-and-25-hydroxyvitamin-d-and-metabolic-syndrome-in-korean-women-the-korea-national-health-and-nutrition-examination-survey-2010-2012
#15
Hyun Yoon, Nan Young Bae, Mi Young Gi, Bu Yeon Park, Jeong Min Seong
The present study was conducted to assess the association between serum ferritin and 25-hydroxyvitamin D [25(OH)D] and metabolic syndrome (MetS) in Korean women. The data of a total of 9,256 adults (6,960 women without MetS and 2,296 women with MetS) aged ≥20 years from the Fifth Korean National Health and Nutrition Examination Survey (KNHANES V) (2010-2012) were analyzed. A covariance test adjusted for covariates was performed for serum ferritin levels in relation to vitamin D (vitamin D deficiency, 25(OH)D <10...
July 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28717806/vitamin-d-status-and-the-risk-of-recurrent-stroke-and-mortality-in-ischemic-stroke-patients-data-from-a-24-month-follow-up-study-in-china
#16
H Qiu, M Wang, D Mi, J Zhao, W Tu, Q Liu
PURPOSE: In this study, we determined serum 25-hydroxyvitamin D [25(OH) D] levels in serum, and investigated their associations with risk of recurrent stroke and mortality in a 24-month follow up study in Chinese patients with first-ever ischemic stroke. METHODS: In this preplanned post hoc analysis, serum levels of 25(OH) D and NIH stroke scale (NIHSS) were measured at the time of admission in a cohort of patients with ischemic stroke. We used logistic regression model to assess the relationship between 25(OH) D levels and risk recurrent stroke or mortality...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/28700733/non-invasive-prediction-of-preterm-birth-in-women-with-cervical-insufficiency-or-an-asymptomatic-short-cervix-%C3%A2-25-mm-by-measurement-of-biomarkers-in-the-cervicovaginal-fluid
#17
Ha-Na Yoo, Kyo Hoon Park, Eun Young Jung, Yu Mi Kim, Song Yi Kook, Se Jeong Jeon
OBJECTIVE: To determine whether various proteins in the cervicovaginal fluid (CVF) known to be involved in immune regulation, alone or in combination with clinical risk factors, can predict spontaneous preterm delivery (SPTD) in women with cervical insufficiency or a short cervix (≤25 mm). METHODS: This retrospective cohort study included 62 asymptomatic women with cervical insufficiency (n = 27) or an asymptomatic short cervix (n = 35) at 18-27 weeks. CVF swab samples were taken for assays of vitamin D binding protein (VDBP), interleukin (IL)-8, matrix metalloproteinases (MMP)-9, tissue inhibitor of metalloproteinases (TIMP)-1, and Dickkopf-related protein 3 (DKK3) before cervical examination, and maternal blood was collected for the determination of the C-reactive protein (CRP) level...
2017: PloS One
https://www.readbyqxmd.com/read/28656274/proteomics-of-acute-heart-failure-in-a-rat-post-myocardial-infarction-model
#18
Yichen Guo, Lianqun Cui, Shiliang Jiang, Airong Zhang, Shu Jiang
The aim of the present study was to identify the mechanisms underlying the development of post-myocardial infarction (post-MI) heart failure. The left anterior descending coronary artery of rats was occluded to mimic human ischemic heart disease. Linear Trap Quadropole OrbiTrap mass spectrometry was used to profile the expressions of energy metabolism‑associated and calcium‑binding proteins in the post‑MI and control groups. Using the online Protein Analysis Through Evolutionary Relationships classification system, 78 differentially expressed proteins were identified, including 50 downregulated proteins and 28 upregulated proteins in post‑MI group when compared with the control group...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28645551/association-between-blood-vitamin-d-and-myocardial-infarction-a-meta-analysis-including-observational-studies
#19
REVIEW
Jizhen Huang, Zhiwei Wang, Zhipeng Hu, Wanli Jiang, Bowen Li
BACKGROUND: The association between blood vitamin D levels and the risk of myocardial infarction (MI) is controversial. This meta-analysis aimed to describe the relationship between MI risk and blood vitamin D levels. METHODS: Online databases were searched in PubMed, EMBASE and Web of science till February 2017 for observational studies in relation to reporting the vitamin D levels in MI cases and non-MI controls. The weighted mean difference (WMD) or odds ratio (OR), with 95% confidence interval (CI), were calculated to evaluate the relationship between MI risk and blood vitamin D levels...
June 20, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28562685/gender-difference-in-relationship-between-serum-ferritin-and-25-hydroxyvitamin-d-in-korean-adults
#20
COMPARATIVE STUDY
Jeong Min Seong, Yo Sang Yoon, Kyu Su Lee, Nan Young Bae, Mi Young Gi, Hyun Yoon
BACKGROUND: The present study was conducted to assess the gender difference in the relationship between serum ferritin and 25-hydroxyvitamin D [25(OH)D] in Korean adults. METHODS: A total of 5,147 adults (2,162 men, 1,563 premenopausal women, and 1,422 postmenopausal women) aged ≥ 20 years from the Korean National Health and Nutrition Examination Survey (KNHANES) data (2012) were analyzed. A covariance test adjusted for covariates was performed for serum ferritin levels in relation to vitamin D status (vitamin D deficiency, 25(OH)D < 10...
2017: PloS One
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