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Vitamin E

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https://www.readbyqxmd.com/read/29149142/mapping-the-association-between-vitamin-d-and-low-back-pain-a-systematic-review-and-meta-analysis-of-observational-studies
#1
Joshua Zadro, Debra Shirley, Manuela Ferreira, Ana Paula Carvalho-Silva, Sarah E Lamb, Cyrus Cooper, Paulo H Ferreira
BACKGROUND: Low back pain (LBP) is the highest contributor to disability worldwide, with current intervention strategies only providing small to moderate analgesic effects. The use of vitamin D supplementation for LBP has gained interest due to its proposed anti-inflammatory and neuromodulatory properties. However, it is still unclear whether vitamin D levels differ between those with and without LBP or if vitamin D levels are associated with pain intensity. OBJECTIVES: We aim to investigate the association between vitamin D levels and LBP and to determine if vitamin D levels correlate with pain intensity in individuals with LBP...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148959/effect-of-measuring-%C3%AE-glutamyl-transpeptidase-and-using-smoflipid-in-a-parenteral-nutrition-infusion-in-a-patient-with-severe-malabsorption-and-overlapping-primary-sclerosing-cholangitis-and-ulcerative-colitis
#2
Merin Kinikini
Studies discussing inflammation and oxidative stress state that these conditions are known contributors in the pathogenesis of cholestatic diseases and ulcerative colitis, and studies examining patients with liver disease have found decreased antioxidant status and significant elevation of lipid peroxides as compared with healthy subjects. One hypothesis in liver disease is that deficient antioxidant defense mechanisms may lead to excess oxygen free radical formation, which promotes deleterious processes in the liver...
November 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29148735/stereoselective-stabilization-of-polymeric-vitamin-e-conjugate-micelles
#3
Min Gao, Jian Deng, Huiying Chu, Yu Tang, Zheng Wang, Yanjun Zhao, Guohui Li
Vitamin E (α-tocopherol) (TPGS) micelle is a robust nanocarrier in delivering hydrophobic active pharmaceutical ingredients, but is suffering from poor stability that is essential in terms of pharmaceutical and biomedical applications. Taking advantage of the chirality of vitamin E, this work reports the stereoselective stabilization of polymer-vitamin E conjugate micelles. Vitamin E was covalently linked to multivalent methoxy poly(ethylene glycol)-co-poly(glutamic acid), generating amphiphilic conjugates that could self-assemble into micelles...
November 17, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29148411/vitamin-d-status-in-spondyloarthritis-results-of-the-asas-comospa-international-study
#4
Sílvia Fernandes, Adrien Etcheto, Désirée van der Heijde, Robert Landewé, Filip van den Bosch, Maxime Dougados, Anna Moltó
OBJECTIVES: Spondyloarthritis (SpA) encompasses both bone production and bone loss, and the latter is particularly linked to inflammation. Vitamin D deficiency has been associated with several inflammatory conditions (i.e. cardiovascular disease, rheumatoid arthritis), but it has been poorly evaluated in SpA patients. We aimed to a) describe the prevalence of vitamin D deficiency in SpA patients worldwide; b) compare SpA patients with and without vitamin D deficiency in terms of disease phenotype, activity severity and comorbidities...
November 16, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/29146360/behaviour-of-trolox-with-macromolecule-bound-antioxidants-in-aqueous-medium-inhibition-of-auto-regeneration-mechanism
#5
Ecem Evrim Çelik, Jose Manuel Amigo Rubio, Vural Gökmen
This work aimed at investigating the behaviour of Trolox, vitamin E analogue, in presence of macromolecule-bound antioxidants in aqueous radical medium. Three main groups of macromolecule-bound antioxidants were assayed: dietary fiber (DF), protein and lipid-bound antioxidants, represented by whole wheat, soybean and olive oil products, respectively. Experimental studies were carried out in aqueous ABTS (2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid)) radical medium. Trolox and macromolecule-bound antioxidants were added to radical separately and together in different concentrations...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29146352/anti-inflammatory-properties-of-edible-mushrooms-a-review
#6
REVIEW
Bożena Muszyńska, Agata Grzywacz-Kisielewska, Katarzyna Kała, Joanna Gdula-Argasińska
Mushrooms have been used extensively, owing to their nutritional and medicinal value, for thousands of years. Modern research confirms the therapeutic effect of traditionally used species. Inflammation is a natural response of the immune system to damaging factors, e.g. physical, chemical and pathogenic. Deficiencies of antioxidants, vitamins, and microelements, as well as physiological processes, such as aging, can affect the body's ability to resolve inflammation. Mushrooms are rich in anti-inflammatory components, such as polysaccharides, phenolic and indolic compounds, mycosteroids, fatty acids, carotenoids, vitamins, and biometals...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29145756/micronutrients-and-natural-compounds-status-and-their-effects-on-wound-healing-in-the-diabetic-foot-ulcer
#7
Kanokwan Kulprachakarn, Sakaewan Ounjaijean, Jukkrit Wungrath, Raj Mani, Kittipan Rerkasem
The diabetic foot ulcer (DFU) is an invariably common complication of diabetes mellitus, it is also a significant cause of amputation as well as extended hospitalization. As most patients with DFU suffer from malnutrition, which has been related to improper metabolic micronutrients status, alterations can affect impaired wound healing process. Micronutrients and herbal remedies applications present a wide range of health advantages to patients with DFU. The purpose of this review is to provide current evidence on the potential effect of dietary supplementations such as vitamins A, C, D, E, magnesium, zinc, copper, iron, boron, and such naturally occurring compounds as Aloe vera, Naringin, and Radix Astragali (RA) and Radix Rehmanniae (RR) in the administration of lower extremity wounds, especially in DFU, and to present some insights for applications in the treatment of DFU patients in the future...
November 1, 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/29145311/pulmonary-hypertension-as-a-manifestation-of-mitochondrial-disease-a-case-report-and-review-of-the-literature
#8
Shan Xu, Xiaoling Xu, Jisong Zhang, Kejing Ying, Yuquan Shao, Ruifeng Zhang
BACKGROUND: Mitochondrial diseases are a group of multisystem heterogeneous diseases caused by pathologic dysfunction of the mitochondrial respiratory chain. A wide range of clinical expression has been described. However, pulmonary hypertension has rarely been described in association with mitochondrial disease until the past decade, and there is no currently recognized treatment for the pulmonary hypertension complicated with mitochondrial disorder. PATIENT CONCERNS: We reported the case of a 15-year-old boy who presented with shortness of breath and exercise limitation after a cold, and the diagnosis of pulmonary hypertension was confirmed by right heart catheter...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29143965/display-stability-of-fresh-and-thawed-lamb-supplemented-with-vitamin-e-or-sprayed-with-an-antioxidant-borage-seed-extract
#9
M Bellés, V Alonso, P Roncalés, J A Beltrán
BACKGROUND: The commercialization of thawed lamb packaged in modified atmosphere and maintained on display could serve as an alternative capable of satisfying the requirements of customers as well as distributors. However, previous studies have suggested that lipid oxidation may accelerate post-thawing, as peroxidation occurs during frozen storage, thereby leading to rapid and severe secondary lipid oxidation. The addition of an antioxidant compound either in the lamb diet or in the packaged meat could resolve this problem...
November 16, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29142394/antioxidant-phytochemicals-of-opuntia-ficus-indica-l-mill-cladodes-with-potential-anti-spasmodic-activity
#10
Francesco Lanuzza, Francesco Occhiuto, Maria Teresa Monforte, Maria Marcella Tripodo, Valeria D'Angelo, Enza Maria Galati
Background: Opuntia ficus-indica (OFI) (L.) Mill. (Cactaceae), a plant widespread in dry regions of the world, shows interesting biological activities (cicatrizant, antiulcer, anti-inflammatory, and hypolipidemic) and is widely used in traditional medicine. Objectives: Phytochemical analysis and antispasmodic effect of wild OFI cladodes were carried out. Material and Methods: Polyphenols and Vitamin E occurrence, in antioxidant pool of OFI cladodes, were quantified by high-performance liquid chromatography...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142148/seasonal-changes-in-serum-oxidative-stress-biomarkers-in-dairy-and-beef-cows-in-a-daytime-grazing-system
#11
Ahmad Nawid Mirzad, Takashi Tada, Hitoshi Ano, Ikuo Kobayashi, Takenori Yamauchi, Hiromu Katamoto
This study aims to evaluate the oxidative stress during hot summer season using serum oxidative stress biomarkers and elucidate the effects of serum antioxidant vitamin levels in dairy and beef cows in a daytime grazing system. Blood samples were collected once a month from eight Holstein Friesian (HF) and 10 Japanese Black (JB) cows from November 2013 to October 2014. Serum values of derivatives of reactive oxygen metabolites (d-ROMs) tended to be higher in March in both breeds and those in HF cows were kept at higher (P<0...
November 14, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29141977/vitamins-associated-with-brain-aging-mild-cognitive-impairment-and-alzheimer-disease-biomarkers-epidemiological-and-experimental-evidence-plausible-mechanisms-and-knowledge-gaps
#12
REVIEW
Michael Fenech
The key to preventing brain aging, mild cognitive impairment (MCI), and Alzheimer disease (AD) via vitamin intake is first to understand molecular mechanisms, then to deduce relevant biomarkers, and subsequently to test the level of evidence for the impact of vitamins in the relevant pathways and their modulation of dementia risk. This narrative review infers information on mechanisms from gene and metabolic defects associated with MCI and AD, and assesses the role of vitamins using recent results from animal and human studies...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141970/natural-forms-of-vitamin-e-as-effective-agents-for-cancer-prevention-and-therapy
#13
REVIEW
Qing Jiang
Initial research on vitamin E and cancer has focused on α-tocopherol (αT), but recent clinical studies on cancer-preventive effects of αT supplementation have shown disappointing results, which has led to doubts about the role of vitamin E, including different vitamin E forms, in cancer prevention. However, accumulating mechanistic and preclinical animal studies show that other forms of vitamin E, such as γ-tocopherol (γT), δ-tocopherol (δT), γ-tocotrienol (γTE), and δ-tocotrienol (δTE), have far superior cancer-preventive activities than does αT...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141752/differences-in-nutritional-and-health-status-in-school-children-from-the-highlands-and-lowlands-of-bolivia
#14
Graciela Terán, Washington Cuna, Froilán Brañez, Kristina E M Persson, Martín E Rottenberg, Susanne Nylén, Celeste Rodriguez
Children in the Bolivian Andes are exposed to endemic infections and meager nourishment, and live under poor hygienic conditions. The prevention of children malnutrition is a priority in many countries including Bolivia. In this study, the health status of schoolchildren in Taraco, a Puna district, at 4,000 meters above sea level (masl) and in Caranavi, at 650 masl in the wealthier subtropical valleys, was compared. The weight, height, and hematological and biochemical parameters in blood, parasites in stool, and clinical information in 120 children from rural Taraco and in 96 from semi-urban Caranavi, both predominantly of Aymara ethnicity, were registered...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141016/intestinal-microbiota-profiles-associated-with-low-and-high-residual-feed-intake-in-chickens-across-two-geographical-locations
#15
Sina-Catherine Siegerstetter, Stephan Schmitz-Esser, Elizabeth Magowan, Stefanie Urimare Wetzels, Qendrim Zebeli, Peadar G Lawlor, Niamh E O'Connell, Barbara U Metzler-Zebeli
Intestinal microbe-host interactions can affect the feed efficiency (FE) of chickens. As inconsistent findings for FE-associated bacterial taxa were reported across studies, the present objective was to identify whether bacterial profiles and predicted metabolic functions that were associated with residual feed intake (RFI) and performance traits in female and male chickens were consistent across two different geographical locations. At six weeks of life, the microbiota in ileal, cecal and fecal samples of low (n = 34) and high (n = 35) RFI chickens were investigated by sequencing the V3-5 region of the 16S rRNA gene...
2017: PloS One
https://www.readbyqxmd.com/read/29140875/bone-mineral-density-declines-twice-as-quickly-among-hiv-infected-women-compared-to-men
#16
Kristine M Erlandson, Jordan E Lake, Myung Sim, Julian Falutz, Carla M Prado, Ana Rita Domingues da Silva, Todd T Brown, Giovanni Guaraldi
BACKGROUND: Initial declines in bone mineral density (BMD) following antiretroviral therapy (ART) initiation in HIV are well described, but data on long-term changes and risk factors for decline, particularly among women, are limited. METHODS: HIV-infected men and women in the Modena Metabolic Clinic underwent dual-energy X-ray absorptiometry (DXA) scans every 6-12 months for up to 10 years (median 4.6 years). Mixed effect regression model in combined and sex-stratified models determined annual rates of decline and clinical factors associated with BMD...
November 11, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29140151/a-comparison-of-the-nutrient-intakes-of-macronutrient-based-dieting-and-strict-dieting-bodybuilders
#17
Ahmed Ismaeel, Suzy Weems, Darryn Willoughby
The purpose of this study was to provide a descriptive assessment of the nutritional habits of competitive bodybuilders and compare the nutrient intakes of macronutrient-based dieting and strict dieting individuals. Data from 41 subjects (30 males and 11 females) were used in analyses. Participants completed a comprehensive food frequency questionnaire and diets were analyzed using a computer system. Males consumed an average of 2577.2 (SD=955.1) kilocalories, with an average fat intake of 83.6 g (SD=41.3), an average carbohydrate intake of 323...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29140140/the-physiological-mechanisms-of-effect-of-vitamins-and-amino-acids-on-tendon-and-muscle-healing-a-systematic-review
#18
Christopher Tack, Faye Shorthouse, Lindsy Kass
AIMS/OBJECTIVES: To evaluate current literature via systematic review to ascertain whether amino acids/ vitamins provide any influence on musculotendinous healing, and by which physiological mechanisms Methods: EBSCO, PUBMED, Science Direct, Embase Classic/ Embase, and MEDLINE were searched using terms including "vitamins", "amino acids", "healing", "muscle" and "tendon". The primary search had 479 citations, 466 of which were excluded predominantly due to non-randomised design. Randomised human and animal studies investigating all supplement types/ forms of administration were included...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29139475/intestinal-epithelial-cell-specific-rar%C3%AE-depletion-results-in-aberrant-epithelial-cell-homeostasis-and-underdeveloped-immune-system
#19
H B Jijon, L Suarez-Lopez, O E Diaz, S Das, J De Calisto, M B Yaffe, M J Pittet, J R Mora, Y Belkaid, R J Xavier, E J Villablanca
Retinoic acid (RA), a dietary vitamin A metabolite, is crucial in maintaining intestinal homeostasis. RA acts on intestinal leukocytes to modulate their lineage commitment and function. Although the role of RA has been characterized in immune cells, whether intestinal epithelial cells (IECs) rely on RA signaling to exert their immune-regulatory function has not been examined. Here we demonstrate that lack of RA receptor α (RARα) signaling in IECs results in deregulated epithelial lineage specification, leading to increased numbers of goblet cells and Paneth cells...
November 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29139364/advanced-management-of-severe-keloids
#20
REVIEW
Thomas Hagele, Hoka Nyanda, Nishit Patel, Nicole Russell, George Cohen, Christopher Nelson
Keloids negatively impact the health and quality of life of many affected dermatologic patients. Treating keloids is often difficult, and suboptimal responses are frequent. Fortunately, there are many treatment options available to the clinician that may lead to improved clinical outcomes. We present a review of currently available therapeutic options. Intralesional steroid injection remains the first-line treatment for keloids. Imiquimod, direct interferon therapy, or intralesional 5-flurouracil may alleviate the need for excessive corticosteroid therapy...
2017: Skinmed
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