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Vitamin D infections

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https://www.readbyqxmd.com/read/28436273/proteome-analysis-of-sheep-b-lymphocytes-in-the-course-of-bovine-leukemia-virus-induced-leukemia
#1
Michal Reichert
Presented are the results of a study of the expression pattern of different proteins in the course of bovine leukemia virus-induced leukemia in experimental sheep and I discuss how the obtained data may be useful in gaining a better understanding of the pathogenesis of the disease, diagnosis, and for the selection of possible therapeutic targets. In cattle, the disease is characterized by life-long persistent lymphocytosis leading to leukemia/lymphoma in about 5% of infected animals. In sheep, as opposed to cattle, the course of the disease is always fatal and clinical symptoms usually occur within a three-year period after infection...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28428487/association-between-serum-vitamin-d-and-all-cause-and-cause-specific-death-in-a-general-japanese-population%C3%A3-the-hisayama-study
#2
Kaoru Umehara, Naoko Mukai, Jun Hata, Yoichiro Hirakawa, Tomoyuki Ohara, Daigo Yoshida, Hiro Kishimoto, Takanari Kitazono, Sumio Hoka, Yutaka Kiyohara, Toshiharu Ninomiya
BACKGROUND: Few studies have investigated the association between serum vitamin D levels and mortality in general Asian populations.Methods and Results:We examined the association of serum 1,25-dihydroxyvitamin D (1,25(OH)2D) levels with the risk of all-cause and cause-specific death in an average 9.5-year follow-up study of 3,292 community-dwelling Japanese subjects aged ≥40 years (2002-2012). The multivariable-adjusted hazard ratio (HR) for all-cause death increased significantly with lower serum 1,25(OH)2D levels (HR 1...
April 20, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28424257/an-animal-source-food-supplement-increases-micronutrient-intakes-and-iron-status-among-reproductive-age-women-in-rural-vietnam
#3
Andrew G Hall, Tu Ngu, Hoang T Nga, Phi N Quyen, Pham T Hong Anh, Janet C King
Background: Few studies have examined the impact of local animal-source foods (ASFs) on the nutritional status of reproductive-age women in developing countries.Objective: We hypothesized that a midmorning snack of local ASF for 6 mo would reduce dietary micronutrient deficiencies [usual intake less than the estimated average requirement (EAR)] and improve blood biomarkers of iron, zinc, and vitamins A and B-12 status among nonpregnant, reproductive-age women in rural Vietnam.Methods: One hundred seventeen women, 18-30 y old, were randomly assigned to receive either an ASF (mean: 144 kcal, 8...
April 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28419766/microbial-community-function-in-the-bleaching-disease-of-the-marine-macroalgae-delisea-pulchra
#4
Enrique Zozaya-Valdés, Alexandra J Roth-Schulze, Suhelen Egan, Torsten Thomas
Disease is increasingly viewed as a major factor impacting the health of both natural and cultured populations of marine organisms, including macroalgae. The red macroalga Delisea pulchra suffers from a bleaching disease resulting from host stress and infection by opportunistic bacterial pathogens. However how pathogens cause the disease and how the entire algal-associated community is involved in the process is unclear. Here we perform a metagenomic analysis of microbial communities associated with diseased and healthy D...
April 17, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28415985/vitamin-d-related-gene-polymorphism-predict-treatment-response-to-pegylated-interferon-based-therapy-in-thai-chronic-hepatitis-c-patients
#5
Kessarin Thanapirom, Sirinporn Suksawatamnuay, Wattana Sukeepaisarnjaroen, Pisit Tangkijvanich, Sombat Treeprasertsuk, Panarat Thaimai, Rujipat Wasitthankasem, Yong Poovorawan, Piyawat Komolmit
BACKGROUND: Patients with chronic hepatitis C (HCV) infection have high prevalence of vitamin D deficiency. Genome-wide association study data has showed that several genetic variants within vitamin D cascade affect vitamin D function. This study aimed to determine whether genetic polymorphisms of genes in the vitamin D pathway are associated with treatment responses to pegylated interferon (PEG-IFN)-based therapy in patients with chronic HCV infection. METHODS: The study included 623 Thai patients from 2 university hospitals diagnosed with chronic HCV infection who were treated with a PEG-IFN and ribavirin...
April 17, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28413362/bone-loss-in-hiv-infection
#6
Caitlin A Moran, M Neale Weitzmann, Ighovwerha Ofotokun
Human immunodeficiency virus (HIV) infection is an established risk factor for low bone mineral density (BMD) and subsequent fracture, and treatment with combination antiretroviral therapy (cART) leads to additional BMD loss, particularly in the first 1-2 years of therapy. The prevalence of low BMD and fragility fracture is expected to increase as the HIV-infected population ages with successful treatment with cART. Mechanisms of bone loss in the setting of HIV infection are likely multifactorial, and include viral, host, and immune effects, as well as direct and indirect effects of cART, particularly tenofovir disoproxil fumarate (TDF) and the protease inhibitors (PIs)...
March 2017: Current Treatment Options in Infectious Diseases
https://www.readbyqxmd.com/read/28411961/nutrition-in-the-first-1000-days-and-respiratory-health-a-descriptive-review-of-the-last-five-years-literature
#7
REVIEW
E Verduci, A Martelli, V L Miniello, M Landi, B Mariani, M Brambilla, L Diaferio, D G Peroni
The aim of this paper is to discuss the current evidence regarding short and long-term health respiratory effects of nutrients and dietary patterns during the first 1000 days from conception. Population of interest included children from birth to two years and their mothers (during pregnancy and lactation). Studies were searched on MEDLINE® and Cochrane database, inserting individually and using the Boolean ANDs and ORs, 'nutrients', 'micronutrients', 'LC-PUFA', 'Mediterranean Diet', 'human milk', 'complementary food', 'pregnancy', 'respiratory disease', 'pulmonary disease', 'asthma', 'epigenetics', 'first 1000 days', 'maternal diet' and 'respiratory health'...
April 12, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28405324/25-oh-vitamin-d-level-has-no-impact-on-the-efficacy-of-antiviral-therapy-in-na%C3%A3-ve-genotype-1-hcv-infected-patients
#8
Arthur Belle, Emmanuel Gizard, Guillaume Conroy, Anthony Lopez, Magali Bouvier-Alias, Stéphanie Rouanet, Laurent Peyrin-Biroulet, Jean-Michel Pawlotsky, Jean-Pierre Bronowicki
BACKGROUND AND AIM: The impact of 25-OH vitamin D on sustained viral response (SVR) to antiviral therapy and on fibrosis progression in hepatitis C is debated. We assessed the impact of 25-OH vitamin D concentration on the efficacy of antiviral therapy in naïve genotype 1 hepatitis C virus (HCV)-infected patients. METHODS: The study population consisted of treatment-naïve genotype 1 patients enrolled in a randomised controlled trial. A total of 516 patients received peginterferon α-2a 180 µg/week plus ribavirin 800 mg/day for 24 weeks...
February 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28403225/association-of-vitamin-d-deficiency-season-of-the-year-and-latent-tuberculosis-infection-among-household-contacts
#9
María Elvira Balcells, Patricia García, Camila Tiznado, Luis Villarroel, Natalia Scioscia, Camila Carvajal, Francesca Zegna-Ratá, Mariluz Hernández, Paulina Meza, Luis F González, Carlos Peña, Rodrigo Naves
OBJECTIVES: Vitamin D (VD) enhances the immune response against Mycobacterium tuberculosis in vitro, and VD deficiency has been described in patients with active tuberculosis (TB). However, the role of hypovitaminosis D in the pathogenesis of early TB infection acquisition is unclear. We aimed to evaluate the association of VD deficiency, season of the year, and latent TB infection in household contacts (HHC), given that this is a potentially modifiable condition often related to nutritional deficiencies and lack of sun exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28399423/bone-mineral-density-and-vitamin-d-concentration-the-challenges-in-taking-care-of-children-and-adolescents-infected-with-hiv
#10
Fabiana Bononi Carmo, Maria Teresa Terreri, Regina Célia de Menezes Succi, Suenia Vasconcelos Beltrão, Aida de Fátima Tomé Barbosa Gouvea, Erica Regina Cruz Paulino, Daisy Maria Machado
The increase in life expectancy for patients living with human immunodeficiency virus (HIV) infection has resulted in health complications related to a chronic disease. OBJECTIVES: To evaluate the prevalence of bone mineral density (BMD) alterations and vitamin D concentrations in HIV-infected children and adolescents and to verify the variations in those parameters during a 12-month interval. METHODS: A prospective cohort study with a dual period of evaluation was conducted in 57 patients perinatally HIV-infected and one patient with sexual abuse in early infancy...
April 8, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28394766/risks-and-benefits-of-swaddling-healthy-infants-an-integrative-review
#11
Antonia M Nelson
BACKGROUND: Swaddling has been practiced since antiquity; however, there is controversy about its safety. OBJECTIVES: The purpose of this review is to update and build upon previous reviews and synthesize evidence on risks and benefits of swaddling in healthyterm, near-term, or older infants. DATA SOURCES: MEDLINE (1960-May 13, 2016) and CINAHL (1963-May 13, 2016) searches were conducted, relevant articles retrieved, and citation lists reviewed for other references...
April 7, 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28393662/cholecalciferol-20-000-iu-once-weekly-in-hiv-positive-patients-with-low-vitamin-d-levels-result-from-a-cohort-study
#12
Sebastian Noe, Silke Heldwein, Rita Pascucchi, Celia Oldenbüttel, C Wiese, Ariane von Krosigk, Eva Jägel-Guedes, Hans Jäger, Wolfgang Mayer, Christoph D Spinner, Eva Wolf
PURPOSE: To evaluate efficacy and safety of 20 000 IU cholecalciferol weekly in HIV-infected patients. METHODS: Longitudinal data for 243 HIV-infected patients with paired 25-OH-vitamin D3 values for the same month in 2 consecutive years were stratified by the initiation of supplementation in this retrospective study. RESULTS: After 1 year of administration of cholecalciferol 20 000 IU weekly, about 78% of patients with initial vitamin D level <20 µg/L achieved vitamin D levels >20 µg/L and 42% achieved levels >30 µg/L...
January 1, 2017: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/28386263/adaptive-immunity-is-the-key-to-the-understanding-of-autoimmune-and-paraneoplastic-inflammatory-central-nervous-system-disorders
#13
REVIEW
Robert Weissert
There are common aspects and mechanisms between different types of autoimmune diseases such as multiple sclerosis (MS), neuromyelitis optica spectrum disorders (NMOSDs), and autoimmune encephalitis (AE) as well as paraneoplastic inflammatory disorders of the central nervous system. To our present knowledge, depending on the disease, T and B cells as well as antibodies contribute to various aspects of the pathogenesis. Possibly the events leading to the breaking of tolerance between the different diseases are of great similarity and so far, only partially understood...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28384529/vitamin-d-reduces-the-inflammatory-response-by-porphyromonas-gingivalis-infection-by-modulating-human-%C3%AE-defensin-3-in-human-gingival-epithelium-and-periodontal-ligament-cells
#14
Anna De Filippis, Margherita Fiorentino, Luigi Guida, Marco Annunziata, Livia Nastri, Antonietta Rizzo
Periodontitis is a multifactorial polymicrobial infection characterized by a destructive inflammatory process. Porphyromonas gingivalis, a Gram-negative black-pigmented anaerobe, is a major pathogen in the initiation and progression of periodontitis; it produces several virulence factors that stimulate human gingival epithelium (HGE) cells and human periodontal ligament (HPL) cells to produce various inflammatory mediators. A variety of substances, such as vitamin D, have growth-inhibitory effects on some bacterial pathogens and have shown chemo-preventive and anti-inflammatory activity...
April 3, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28373861/environmental-issues-in-thyroid-diseases
#15
REVIEW
Silvia Martina Ferrari, Poupak Fallahi, Alessandro Antonelli, Salvatore Benvenga
Environmental factors are determinant for the appearance of autoimmune thyroid diseases (AITD) in susceptible subjects. Increased iodine intake, selenium, and vitamin D deficiency, exposure to radiation, from nuclear fallout or due to medical radiation, are environmental factors increasing AITD. Cigarette smoking is associated with Graves' disease and Graves' ophthalmopathy, while it decreases the risk of hypothyroidism and thyroid autoimmunity. Viral infections are important environmental factors in the pathogenesis of AITD, too, particularly human parvovirus B19 (EVB19) and hepatitis C virus...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28372917/fewer-complications-following-revision-hip-and-knee-arthroplasty-in-patients-with-normal-vitamin-d-levels
#16
Sophia A Traven, Alexander M Chiaramonti, William R Barfield, Patricia A Kirkland, Harry A Demos, Harold D Schutte, Jacob M Drew
BACKGROUND: Surgeons and hospitals increasingly face penalty for complications and readmission following total joint arthroplasty; therefore, optimization of modifiable risk factors is paramount. Literature associates low vitamin D with risk of periprosthetic joint infection, and we hypothesized low vitamin D to be predictive of increased rate of complications and readmissions. METHODS: A retrospective review of 126 revision total joint arthroplasty patients between 2010 and 2014 was performed...
March 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28370356/changes-in-bone-mineral-density-body-composition-vitamin-d-status-and-mineral-metabolism-in-urban-hiv-positive-south-african-women-over-12-months
#17
Matthew M Hamill, John M Pettifor, Kate A Ward, Shane A Norris, Ann Prentice
HIV infection and antiretroviral therapy (ART) are associated with bone loss and poor vitamin D status in Caucasian populations, though their relative roles are not known. No previous studies have examined longitudinal changes in areal bone mineral density (aBMD), measured by DXA, or in vitamin D status in HIV-positive African women. Of 247 premenopausal, urban, black African women from Soweto, South Africa, initially recruited, 187 underwent anthropometry, DXA scanning and blood and urine collections at both baseline and 12 months...
April 1, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28367779/regional-solar-radiation-is-inversely-correlated-with-incidence-and-severity-of-tuberculosis-in-chile
#18
M E Balcells, J Cerda, S Concha, R Hoyos-Bachiloglu, C A Camargo, A R Martineau, A Borzutzky
Vitamin D (VD) deficiency has been linked to increased incidence and morbidity of tuberculosis (TB). Chile has large variations in solar radiation (SR; a proxy of VD status) and high prevalence of VD deficiency in its southernmost regions with low SR. We investigated the correlation between regional SR and rates of TB incidence, admissions and deaths in Chile by reviewing national records on prospectively collected mandatory disease notifications, admissions and mortality between 2001 and 2011. Over the study period, 26 691 new TB notifications were registered...
April 3, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28365177/high-dose-vitamin-d-after-lung-transplantation-a-randomized-trial
#19
Robin Vos, David Ruttens, Stijn E Verleden, Elly Vandermeulen, Hannelore Bellon, Anke Van Herck, Annelore Sacreas, Tobias Heigl, Veronique Schaevers, Dirk E Van Raemdonck, Eric K Verbeken, Arne P Neyrinck, Lieven J Dupont, Jonas Yserbyt, Bart M Vanaudenaerde, Geert M Verleden
BACKGROUND: Vitamin D may have innate immunomodulatory functions with potentially beneficial therapeutic effects in lung transplant recipients. METHODS: This was a single-center, double blind, randomized, placebo-controlled, prevention trial of once-monthly oral vitamin D (cholecalciferol; 100,000 IU, n = 44) vs placebo (n = 43) during 2 years in adult lung transplant recipients enrolled from October 2010 to August 2013. Primary outcome was prevalence of chronic lung allograft dysfunction (CLAD) 3 years after transplantation...
March 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28361631/vitamin-d-supplementation-effective-in-preventing-acute-respiratory-tract-infections
#20
(no author information available yet)
Studies have consistently shown low levels of vitamin D make people more susceptible to respiratory infections. Acute respiratory infections are a major cause of ill health and mortality. Observational studies have shown that people with low levels of 25-hydroxyvitamin D, the major circulating vitamin D metabolite, are susceptible to respiratory infection.
March 31, 2017: Nursing Older People
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