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Vitamin D AND cholesterol

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https://www.readbyqxmd.com/read/28209162/fatty-acid-and-cholesterol-profiles-hypocholesterolemic-atherogenic-and-thrombogenic-indices-of-broiler-meat-in-the-retail-market
#1
Youssef A Attia, Mohammed A Al-Harthi, Mohamed A Korish, Mohamed M Shiboob
BACKGROUND: Broiler meat is an essential source of food due to its favourable effects on human health derived from its protein, fats, minerals, vitamins and its bioactive components. METHODS: A total of 90 carcasses were collected from the retail market in Jeddah city, Saudi Arabia during April, May and June 2014 to determine the effects of meat type (frozen vs. fresh) and sources within fresh types (A, B, C) vs. frozen types (D, E and F) on their fatty acid profiles, cholesterol, their hypocholesterolemic, atherogenic and thrombogenic indices, and on their antioxidants' status...
February 16, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28202290/effect-of-psychotropic-drug-treatment-on-sterol-metabolism
#2
Željka Korade, Wei Liu, Emily B Warren, Kristan Armstrong, Ned A Porter, Christine Konradi
Cholesterol metabolism is vital for brain function. Previous work in cultured cells has shown that a number of psychotropic drugs inhibit the activity of 7-dehydrocholesterol reductase (DHCR7), an enzyme that catalyzes the final steps in cholesterol biosynthesis. This leads to the accumulation of 7-dehydrocholesterol (7DHC), a molecule that gives rise to oxysterols, vitamin D, and atypical neurosteroids. We examined levels of cholesterol and the cholesterol precursors desmosterol, lanosterol, 7DHC and its isomer 8-dehydrocholesterol (8DHC), in blood samples of 123 psychiatric patients on various antipsychotic and antidepressant drugs, and 85 healthy controls, to see if the observations in cell lines hold true for patients as well...
February 12, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28157691/the-effect-of-alfacalcidiol-and-metformin-on-metabolic-disturbances-in-women-with-polycystic-ovary-syndrome
#3
Jana Figurová, Ingrid Dravecká, Jana Petríková, Martin Javorský, Ivica Lazúrová
BACKGROUND: The aim of this randomized clinical trial (RCT) was to evaluate the effect of vitamin D supplementation in obese, insulin-resistant (IR) and vitamin D-deficient polycystic ovary syndrome (PCOS) women on metabolic abnormalities in comparison to the effect of metformin or combined metformin plus vitamin D therapy. MATERIAL AND METHODS: Thirty-nine PCOS women who fulfilled the inclusion criteria were randomized into three groups and treated with alfacalcidiol, combined alfacalcidiol and metformin therapy and metformin for 6 months...
February 3, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28155612/the-influence-of-dietary-components-on-early-signs-of-atherosclerosis-in-apparently-healthy-young-adult-males-an-observational-study-of-615-subjects
#4
Girolamo Catapano Minotti, Francesca Cortese, Andrea Corsonello, Giovanni Guadalupi, Antonio Paolo D Arcangelo, Saverio Daniele Palumbo, Rita Naio, Ottovio De Clemente, Andrea Aurelio, Simona Carone, Tiziana Gelsumino, Vincenzo Gemignani, Elisabetta Bianchini, Mariangela Vigotti, Francesco Faita, Luciano Greco, Roberto Primerano, Raffaele Antonelli Incalzi, Marco Matteo Ciccone
BACKGROUND: the literature shows that a healthy diet, rich in fruits and vegetables, has positive effects on overall cardiovascular risk, protecting against atherosclerosis. DESIGN: a cross sectional study in a population of apparently healthy young-adult men with the aim of investigating dietary determinants of early atherosclerosis, assessed by measuring carotid intima-media thickness (cIMT) and flow-mediated dilation (FMD) of the brachial artery. METHODS: 615 males (mean age ± SD: 40...
February 1, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28153916/effects-of-vitamin-d-combined-with-pioglitazone-hydrochloride-on-bone-mineral-density-and-bone-metabolism-in-type-2-diabetic-nephropathy
#5
Ling-Xu Wang, Na Wang, Qing-Li Xu, Wei Yan, Li Dong, Bao-Lin Li
The study aims to investigate the effect of vitamin D (VD) combined with pioglitazone hydrochloride (PIO) on bone mineral density (BMD) and bone metabolism in patients with type 2 diabetic nephropathy (T2DN). T2DN patients were selected and assigned into mild, moderate and severe groups. In each group, three therapy regimens (VD, PIO, and VD plus PIO) were administrated. X-ray absorptiometry was used to measure BMD. Intact parathyroid hormone (iPTH) and 25-OH-VD3 were measured by chemiluminescence meter. ELISA was applied to detect levels of osteoprotegerin (OPG), bone gla protein (BGP), C-terminal telopeptides of type I collagen (β-CTX), procollagen type I N propeptide (PINP), pyridinoline (Pyr), and deoxypyridinoline (D-Pyr)...
February 2, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28139795/sunlight-exposure-is-just-one-of-the-factors-which-influence-vitamin-d-status
#6
M Abboud, M S Rybchyn, R Rizk, D R Fraser, R S Mason
Studies on the determinants of vitamin D status have tended to concentrate on input - exposure to ultraviolet B radiation and the limited sources in food. Yet, vitamin D status, determined by circulating concentrations of 25-hydroxyvitamin D (25(OH)D), can vary quite markedly in groups of people with apparently similar inputs of vitamin D. There are small effects of polymorphisms in the genes for key proteins involved in vitamin D production and metabolism, including 7-dehydrocholesterol reductase, which converts 7-dehydrocholesterol, the precursor of vitamin D, to cholesterol, CYP2R1, the main 25-hydroxylase of vitamin D, GC, coding for the vitamin D binding protein which transports 25(OH)D and other metabolites in blood and CYP24A1, which 24-hydroxylates both 25(OH)D and the hormone, 1,25-dihydroxyvitamin D...
January 31, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28120286/adverse-perinatal-outcomes-and-postpartum-multi-systemic-dysregulation-adding-vitamin-d-deficiency-to-the-allostatic-load-index
#7
Eynav Elgavish Accortt, James Mirocha, Christine Dunkel Schetter, Calvin J Hobel
Background Allostatic load (AL) is an index of multi-system physiological "wear-and-tear," operationalizing emergent chronic disease risk and predicting morbidity and mortality. AL has been proposed as an organizing framework for studying pregnancy outcomes and additional AL biomarkers for the study of maternal health would be valuable. Objectives To test whether adverse perinatal outcomes are associated with postpartum AL and if including vitamin D deficiency (serum 25(OH)D < 20 ng/ml) as an additional marker of postpartum AL increases the association...
January 24, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28092610/effects-of-antioxidant-vitamins-a-d-e-and-trace-elements-cu-mn-se-zn-on-some-metabolic-and-reproductive-profiles-in-dairy-cows-during-transition-period
#8
A Omur, A Kirbas, E Aksu, F Kandemir, E Dorman, O Kaynar, O Ucar
The objective of this study was to determine the effects of some antioxidant vitamins and trace elements on some metabolic and postpartum reproductive profiles in dairy cows during transition period. In the study, altogether 20 clinically healthy Brown Swiss dairy cows (aged 4-5 years-old) under the same management and feeding conditions in periparturient period were used. The animals were divided into two equal groups: control (C) and treatment (T) group (n=10 for each group). Vitamins (A, D, E) and trace elements (Cu, Mn, Se, Zn) were administered intramuscularly into the cows of the T group, while isotonic saline, as placebo, was injected subcutaneously into those in the C group...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28086850/the-prevalence-trend-of-metabolic-syndrome-and-its-components-and-risk-factors-in-korean-adults-results-from-the-korean-national-health-and-nutrition-examination-survey-2008-2013
#9
Binh Thang Tran, Bo Yoon Jeong, Jin-Kyoung Oh
BACKGROUND: Abnormalities in the clinical markers of metabolic syndrome (MS) are associated with the development of cardiovascular disease, type 2 diabetes mellitus, and some cancers. MS prevalence in Korea increased between the mid-1990s and mid-2000s; however, no data on the recent trends of MS prevalence are available. Thus, we aimed to investigate the prevalence of MS, the five components of MS, and the related risk factors in Korean adults by using recent data. METHODS: Data from the Korean National Health and Nutrition Examination Survey conducted between 2008 and 2013 were used...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28078809/three-year-analysis-of-repeated-laboratory-tests-for-the-markers-total-cholesterol-ferritin-vitamin-d-vitamin-b12-and-folate-in-a-large-research-and-teaching-hospital-in-italy
#10
Monica Lanzoni, Marco Fornili, Irene Felicetta, Rita Maiavacca, Elia Biganzoli, Silvana Castaldi
RATIONALE, AIMS AND OBJECTIVES: The increasing number of diagnostic tests requests all over the world is a problem that can partially be explained by inappropriate testing. Impact on the total costs of health systems becomes relevant when tests are performed in a large amount. In this paper, retesting of total cholesterol, ferritin, vitamin B12 , vitamin D, and folate is assessed. METHODS: The Quality Unit of Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano (Fondazione) decided to perform a first assessment of the appropriate use of the laboratory tests cholesterol, ferritin, vitamin B12 , vitamin D, and folate focusing on the retesting interval for the same patient in the time period January 1, 2012, to December 31, 2014, in every care setting...
January 12, 2017: Journal of Evaluation in Clinical Practice
https://www.readbyqxmd.com/read/28070531/are-serum-levels-of-f2-isoprostane-and-oxidized-ldl-related-to-vitamin-d-status-in-type-2-diabetic-patients-a-case-control-study
#11
Javanbakht Mohammad Hassan, Mohammady Hamed, Fooladsaz Koorosh, Razzaghi Maryam, Zarei Mahnaz, Djalali Mahmoud
BACKGROUND: Considerable evidence suggests that oxidative stress affects diabetes mellitus (DM) and contributes to its complications. Vitamin D has been shown to possess antioxidant properties. The aim of this study was to determine the association between serum levels of calcifediol (25-OH-D), an indicator of vitamin D status, and lipid profiles with oxidative stress in patients with type 2 diabetes mellitus (T2DM). METHODS: In this case-control study, 57 T2DM patients with low vitamin D status (< 30 ng/mL) and 48 T2DM patients with normal vitamin D status (> 30 ng/mL) were enrolled...
October 2016: Reports of Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28070240/newer-perspectives-of-coronary-artery-disease-in-young
#12
REVIEW
Amitesh Aggarwal, Saurabh Srivastava, M Velmurugan
Coronary artery disease (CAD) occurring in less than 45 years of age is termed as young CAD. Recent studies show a prevalence of 1.2% of CAD cases in this age group. Ethnic wise south Asians especially Indians are more vulnerable to have CAD in young age group with a prevalence of 5% to 10%. Conventional risk factors such as smoking, diabetes, hypertension, obesity and family history seems to be as important as in older CAD subjects. But the prevalence of these risk factors seems to vary in younger subjects...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28068529/impact-of-high-dose-statins-on-vitamin-d-levels-and-platelet-function-in-patients-with-coronary-artery-disease
#13
Monica Verdoia, Patrizia Pergolini, Roberta Rolla, Matteo Nardin, Alon Schaffer, Lucia Barbieri, Veronica Daffara, Paolo Marino, Giorgio Bellomo, Harry Suryapranata, Giuseppe De Luca
BACKGROUND: Statins represent a pivotal treatment in coronary artery disease, offering a reduction in cardiovascular risk even beyond their lipid-lowering action. However, the mechanism of these "pleiotropic" benefits of statins is poorly understood. Vitamin D has been suggested as a potential mediator of the anti-inflammatory, anti-thrombotic and vascular protecting effects of statins. Aim of present study was to assess the impact of a high-intensity statin therapy on vitamin D levels and platelet function in patients with coronary artery disease...
February 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28053572/menadione-vitamin-k-enhances-the-antibiotic-activity-of-drugs-by-cell-membrane-permeabilization-mechanism
#14
Jacqueline C Andrade, Maria Flaviana B Morais Braga, Gláucia Morgana M Guedes, Saulo R Tintino, Maria A Freitas, Lucindo J Quintans, Irwin R A Menezes, Henrique D M Coutinho
Menadione, vitamin K3, belongs to the class of lipid-soluble vitamins and lipophilic substances as menadione cause disturbances in the bacterial membrane, resulting in damage to the fundamental elements for the integrity of the membrane, thus allowing increased permeability. Accordingly, the aim of this study was to evaluate in vitro the antibiotic-modifying activity of menadione in multiresistant strains of Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli, with a gradual increase in its subinhibitory concentration...
January 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28045766/baseline-vitamin-d-deficiency-decreases-the-effectiveness-of-statins-in-hiv-infected-adults-on-antiretroviral-therapy
#15
Corrilynn O Hileman, Vin Tangpricha, Abdus Sattar, Grace A McComsey
OBJECTIVE: Vitamin D deficiency is common in HIV. Statins may increase vitamin D and it is unknown whether vitamin D modifies the effect of statins on cardiovascular disease. DESIGN: SATURN-HIV was a 96-week, randomized, placebo-controlled trial designed to evaluate the effect of rosuvastatin on immune activation and subclinical vascular disease in HIV-infected adults on antiretroviral therapy. This analysis focuses on the pre-specified secondary endpoint 25-hydroxyvitamin D [25(OH)D] concentrations...
December 29, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28042053/potential-role-for-the-vdr-agonist-elocalcitol-in-metabolic-control-evidences-in-human-skeletal-muscle-cells
#16
Cristina Antinozzi, Clarissa Corinaldesi, Carla Giordano, Annalinda Pisano, Bruna Cerbelli, Silvia Migliaccio, Luigi Di Luigi, Katia Stefanantoni, Gabriella Barbara Vannelli, Salvatore Minisola, Guido Valesini, Valeria Riccieri, Andrea Lenzi, Clara Crescioli
Vitamin D plays a pivotal role to maintain skeletal muscle integrity and health. Vitamin D deficiency characterizes inflammatory myopathy (IM) and diabetes, often overlapping diseases involving skeletal muscle damage. Vitamin D receptor (VDR) agonists likely exert beneficial effects in both IM and metabolic disturbances. We aim to evaluate in vitro the effect of elocalcitol, a non-hypercalcemic VDR agonist, on the biomolecular metabolic machinery of human skeletal muscle cells (Hfsmc), vs. insulin (I). We analyzed GLUT4, Flotillin-1, Caveolin-3 and Caveolin-1 cell expression/localization; mTOR, AKT, ERK and 4E-BP1 phosphorylation; IL-6 myokine release; VDR expression...
March 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28039036/nutritional-intake-depressive-symptoms-and-vitamin-d-status-in-hypertensive-patients-in-the-north-of-iran-a-case-control-study
#17
A Salari, M Mahdavi-Roshan, T Hasandokht, M Gholipour, S Soltanipour, M Nagshbandi, A Javadzadeh
OBJECTIVE: We investigated vitamin D status, body size, nutritional intake and depression status in hypertensive patients in the north of Iran that have special dietary habit and lifestyle according to their culture and geographical situation. MATERIALS AND METHODS: This study was conducted on 127 patients with newly recognized hypertension and the 120 normal participants, in the north of Iran. Anthropometric data was measured and demographic characteristics, dietary intake, depression and medical status were collected by valid questionnaires...
December 27, 2016: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/27993651/nafld-is-associated-with-methylation-shifts-with-relevance-for-the-expression-of-genes-involved-in-lipoprotein-particle-composition
#18
Jessica Mwinyi, Adrian E Boström, Claudia Pisanu, Susan K Murphy, Wiebke Erhart, Clemens Schafmayer, Jochen Hampe, Cynthia Moylan, Helgi B Schiöth
Non-alcoholic fatty liver disease (NAFLD) is characterized by the accumulation of triglycerides, cholesterol and toxic free fatty acids and is related to low vitamin D levels. In an analysis of specific gene sets we elucidate to what extent NAFLD associates to epigenetic and related transcriptional changes in gene networks regulating lipid, energy and vitamin D balance. Two gene clusters responsible for lipid homeostasis (74 genes) and vitamin D and energy balance (31 genes) were investigated with regard to average epigenetic shifts within the first 1500bp next to the transcriptional start site...
December 18, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27930980/vitamin-d3-intake-as-regulator-of-insulin-degrading-enzyme-and-insulin-receptor-phosphorylation-in-diabetic-rats
#19
Mohamed Mahmoud Elseweidy, Rawia Sarhan Amin, Hebatallah Husseini Atteia, Maha Abdo Ali
Insulin-degrading enzyme (IDE, insulysin) is a rate-limiting enzyme in the insulin degradation process. It is an intracellular 110-kDa thiol zinc-metalloendopeptidase located in the cytosol, peroxisomes, endosomes and cell surface. IDE catalyzes degradation of several small proteins including insulin, amylin and β-amyloid protein. In addition, insulin clearance was expressed as a target in the treatment of type 2 diabetes given the role of hyperinsulinemia in the pathogenesis of insulin resistance. In this study, fourtyadult male Wistar albino rats were used, thirty rats received 20% fructose in drinking water (HFW) for six weeks to induce diabetes...
January 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27926633/effects-of-calcium-vitamin-d-and-hormone-therapy-on-cardiovascular-disease-risk-factors-in-the-women-s-health-initiative-a-randomized-controlled-trial
#20
Peter F Schnatz, Xuezhi Jiang, Aaron K Aragaki, Matthew Nudy, David M OʼSullivan, Mark Williams, Erin S LeBlanc, Lisa W Martin, JoAnn E Manson, James M Shikany, Karen C Johnson, Marcia L Stefanick, Martha E Payne, Jane A Cauley, Barbara V Howard, John Robbins
OBJECTIVE: To analyze the treatment effect of calcium+vitamin D supplementation, hormone therapy, both, and neither on cardiovascular disease risk factors. METHODS: We conducted a prospective, randomized, double-blind, placebo-controlled trial among Women's Health Initiative (WHI) participants. The predefined primary outcome was low-density lipoprotein cholesterol (LDL-C). RESULTS: Between September 1993 and October 1998, a total of 68,132 women aged 50-79 years were recruited and randomized to the WHI-Dietary Modification (n=48,835) and WHI-Hormone Therapy trials (n=27,347)...
January 2017: Obstetrics and Gynecology
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