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Vitamin D & HIv

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https://www.readbyqxmd.com/read/28647858/counter-intuitive-plasma-vitamin-d-and-zinc-status-in-hiv-1-infected-adults-with-persistent-low-level-viraemia-after-treatment-initiation-a-pilot-case-control-study
#1
H Melliez, A Duhamel, O Robineau, L Bocket, I Kim, E Sauser, F Loiseleur, N Viget, A Pasquet, E Senneville, D Seguy
Determinants of persistent low-level viraemia [PLLV, a viral load (VL) of between 50 and 500 copies/mL] have not been elucidated. In a case-control study, we evaluated the influence of micronutrients on PLLV in a population of 454 HIV-1 adults having initiated antiretroviral therapy (ART) between January 2007 and December 2011. Plasma levels of retinol (vitamin A), 25-OH vitamin D2 + D3, vitamin E and zinc were measured at ART initiation in cases (PLLV after 6 months of ART) and in controls (VL <50 copies/mL after 6 months)...
June 24, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28644368/vitamin-d-deficiency-is-not-associated-with-growth-or-the-incidence-of-common-morbidities-among-tanzanian-infants
#2
Christopher R Sudfeld, Karim P Manji, Emily R Smith, Said Aboud, Rodrick Kisenge, Wafaie W Fawzi, Christopher P Duggan
OBJECTIVE: The objective of this study was to examine risk factors for vitamin D deficiency and determine the association of vitamin D status with child growth and incidence of common morbidities among Tanzanian infants. METHODS: A prospective cohort of 581 Tanzanian infants born to HIV-uninfected mothers had serum 25-hydroxyvitamin D (25(OH)D) assessed at 6 weeks and 6 months of age. Infants were seen at monthly clinic visits for growth monitoring until 18 months of age...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28531643/lipid-based-nutrient-supplements-containing-vitamins-and-minerals-attenuate-renal-electrolyte-loss-in-hiv-aids-patients-starting-antiretroviral-therapy-a-randomized-controlled-trial-in-zambia
#3
D Munkombwe, T L Muungo, C Michelo, P Kelly, S Chirwa, S Filteau
BACKGROUND & AIMS: Advanced HIV infection combined with undernutrition and antiretroviral therapy (ART) places HIV/AIDS patients at high risk of electrolyte abnormalities and increased morbidity and mortality. Here, in a sub-study of a large published randomized trial, we evaluated if nutritional supplements will help curtail renal electrolyte loss in HIV/AIDS patients starting ART. METHODS: 130 malnourished HIV-positive patients referred for ART received lipid-based nutrient supplements alone (LNS, n = 63) or together with vitamins and minerals (LNS-VM, n = 67)...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28518221/micronutrient-supplementation-in-adults-with-hiv-infection
#4
REVIEW
Marianne E Visser, Solange Durao, David Sinclair, James H Irlam, Nandi Siegfried
BACKGROUND: Micronutrient deficiencies are common among adults living with HIV disease, particularly in low-income settings where the diet may be low in essential vitamins and minerals. Some micronutrients play critical roles in maintenance of the immune system, and routine supplementation could therefore be beneficial. This is an update of a Cochrane Review previously published in 2010. OBJECTIVES: To assess whether micronutrient supplements are effective and safe in reducing mortality and HIV-related morbidity of HIV-positive adults (excluding pregnant women)...
May 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28482963/paradoxical-upgrading-reaction-in-extra-pulmonary-tuberculosis-association-with-vitamin-d-therapy
#5
D A Barr, A K Coussens, S Irvine, N D Ritchie, K Herbert, B Choo-Kang, D Raeside, D J Bell, R A Seaton
SETTING: Glasgow, Scotland, UK. BACKGROUND: Paradoxical reactions in tuberculosis (TB) are a notable example of our incomplete understanding of host-pathogen interactions during anti-tuberculosis treatment. OBJECTIVES: To determine risk factors for a TB paradoxical reaction, and specifically to assess for an independent association with vitamin D use. DESIGN: Consecutive human immunodeficiency virus (HIV) negative adult patients treated for extra-pulmonary TB were identified from an Extended Surveillance of Mycobacterial Infections database...
June 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28464004/vitamin-d-deficiency-is-associated-with-il-6-levels-and-monocyte-activation-in-hiv-infected-persons
#6
Maura Manion, Katherine Huppler Hullsiek, Eleanor M P Wilson, Frank Rhame, Erna Kojic, David Gibson, John Hammer, Pragna Patel, John T Brooks, Jason V Baker, Irini Sereti
BACKGROUND: Immune activation plays a key role in HIV pathogenesis. Markers of inflammation have been associated with vitamin D deficiency in the general population. Studies have also demonstrated associations of vitamin D deficiency with increased risk of HIV progression and death. The relationship between persistent inflammation and immune activation during chronic HIV infection and vitamin D deficiency remains unclear. METHODS: Cryopreserved specimens were analyzed from 663 participants at the time of enrollment from the Study to Understand the Natural History of HIV/AIDS in the Era of Effective Therapy (SUN Study) from 2004 to 2006...
2017: PloS One
https://www.readbyqxmd.com/read/28439190/review-metabolic-syndrome-in-black-south-african-women
#7
REVIEW
Philippe Jean-Luc Gradidge, Nigel J Crowther
The prevalence of metabolic syndrome is increasing in African populations, and is particularly high in Black South African women (42%) vs women in the United Kingdom (23%) and the United States of America (36%). This population group is also known to have the highest prevalence of obesity in the sub-Saharan African region (42%), and consequently, a high risk of non-communicable diseases. In this article, we discuss factors (abdominal subcutaneous fat, visceral fat, lean mass, adiponectin, leptin, vitamin D, smoking and menopausal status) that have been investigated for their possible association with metabolic syndrome in African women, and discuss some recommendations for management of the syndrome...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28413362/bone-loss-in-hiv-infection
#8
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/28399423/bone-mineral-density-and-vitamin-d-concentration-the-challenges-in-taking-care-of-children-and-adolescents-infected-with-hiv
#9
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
BACKGROUND: 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...
May 2017: Brazilian Journal of Infectious Diseases
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
#10
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/28370356/changes-in-bone-mineral-density-body-composition-vitamin-d-status-and-mineral-metabolism-in-urban-hiv-positive-south-african-women-over-12-months
#11
Matthew M Hamill, John M Pettifor, Kate A Ward, Shane A Norris, Ann Prentice
Human immunodeficiency virus (HIV) infection and antiretroviral therapy (ART) are associated with bone loss and poor vitamin D status in white populations, though their relative roles are not known. No previous studies have examined longitudinal changes in areal bone mineral density (aBMD), measured by dual-energy X-ray absorptiometry (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
#12
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...
July 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28358908/pharmacogenomics-study-on-cadherin-2-network-with-regard-to-hiv-infection-and-methadone-treatment-outcome
#13
Hsiang-Wei Kuo, Chia-Lung Shih, Jieh-Hen Tsung, Sheng-Wen Liu, Shih-Kai Chu, Hsin-Chou Yang, Hsiao-Hui Tsou, Zih-Hsiang Wang, Andrew C H Chen, Yu-Li Liu
Heroin dependent patients have a high incidence of HIV infection. In contrast to the gene expression method, we developed a systemic correlation analysis method built upon the results of pharmacogenomics study in a methadone maintenance treatment (MMT) cohort consisting of 344 Taiwanese heroin dependent patients. We identified genetic variants and their encoding proteins that may be involved with HIV infection and MMT treatment outcome. Cadherin 2 (CDH2) genetic determinants were identified through the genome-wide pharmacogenomic study...
2017: PloS One
https://www.readbyqxmd.com/read/28333766/dietary-inadequacies-in-hiv-infected-and-uninfected-school-aged-children-in-johannesburg-south-africa
#14
Stephanie Shiau, Acadia Webber, Renate Strehlau, Faeezah Patel, Ashraf Coovadia, Samantha Kozakowski, Susan Brodlie, Michael T Yin, Louise Kuhn, Stephen M Arpadi
OBJECTIVES: The World Health Organization (WHO) recommends that HIV-infected children increase energy intake and maintain a balanced macronutrient distribution for optimal growth and nutrition. Few studies have evaluated dietary intake of HIV-infected children in resource-limited settings. METHODS: We conducted a cross-sectional analysis of the dietary intake of 220 perinatally HIV-infected children and 220 HIV-uninfected controls ages 5-9 years in Johannesburg, South Africa...
March 22, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28275459/carbohydrate-lipid-bone-and-inflammatory-markers-in-hiv-positive-adolescents-on-antiretroviral-therapy-and-hormonal-contraception
#15
EDITORIAL
Nadia Kancheva Landolt, Torsak Bunupuradah, Jullapong Achalapong, Pope Kosalaraksa, Witaya Petdachai, Chaiwat Ngampiyaskul, Sasiwimol Ubolyam, Narukjaporn Thammajaruk, Stephen Kerr, Jintanat Ananworanich
BACKGROUND: Little is known about the cumulative effect of HIV antiretroviral therapy (ART) and hormonal contraception (HC) on metabolism and inflammation in HIV-positive women. METHODS: We conducted a cross-sectional assessment of markers for carbohydrate, lipid, bone metabolism, inflammation and coagulation in HIV-positive adolescents on ART and HC (n=37) versus on ART only (n=51) in Thailand. The Wilcoxon rank-sum test was used to assess differences between groups...
January 1, 2017: Journal of Virus Eradication
https://www.readbyqxmd.com/read/28274549/protease-inhibitor-associated-bone-mineral-density-loss-is-related-to-hypothyroidism-and-related-bone-turnover-acceleration
#16
Ei Kinai, Hiroyuki Gatanaga, Daisuke Mizushima, Takeshi Nishijima, Takahiro Aoki, Ikumi Genka, Katsuji Teruya, Kunihisa Tsukada, Yoshimi Kikuchi, Shinichi Oka
BACKGROUND: Clinical and experiments evidence indicate that protease inhibitors (PI) can cause bone mineral density (BMD) loss. However, the mechanism of such loss remains obscure. METHODS: This single-center, cross-sectional study included 184 HIV-infected patients treated with PI who underwent dual-energy X-ray absorptiometry scan. Serum phosphorus, percentage of tubular reabsorption of phosphate (%TRP), thyroid and parathyroid function (iPTH), vitamin D, osteocalcin (OC), urinary deoxypyridinoline (DPD), and urinary cross-linked N-telopeptide of type I collagen (u-NTx) were measured...
March 5, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28261385/influence-of-vitamin-d-on-liver-fibrosis-in-chronic-hepatitis-c-a-systematic-review-and-meta-analysis-of-the-pooled-clinical-trials-data
#17
Alia S Dadabhai, Behnam Saberi, Katie Lobner, Russell T Shinohara, Gerard E Mullin
AIM: To investigate the relationship between vitamin D and liver fibrosis in hepatitis C-monoinfected or hepatitis C virus (HCV)-human immunodeficiency virus (HIV) co-infected patients. METHODS: Pertinent studies were located by a library literature search in PubMed/Embase/Cochrane/Scopus/LILACS by two individual reviewers. Inclusion criteria: (1) studies with patients with HCV or co-infected HCV/HIV; (2) studies with patients ≥ 18 years old; (3) studies that evaluated liver fibrosis stage, only based on liver biopsy; and (4) studies that reported serum or plasma 25(OH)D levels...
February 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28243241/high-expression-of-antiviral-and-vitamin-d-pathway-genes-are-a-natural-characteristic-of-a-small-cohort-of-hiv-1-exposed-seronegative-individuals
#18
Wbeimar Aguilar-Jimenez, Irma Saulle, Daria Trabattoni, Francesca Vichi, Sergio Lo Caputo, Francesco Mazzotta, Maria T Rugeles, Mario Clerici, Mara Biasin
Natural resistance to HIV-1 infection is influenced by genetics, viral-exposure, and endogenous immunomodulators such as vitamin D (VitD), being a multifactorial phenomenon that characterizes HIV-1-exposed seronegative individuals (HESNs). We compared mRNA expression of 10 antivirals, 5 immunoregulators, and 3 VitD pathway genes by qRT-PCR in cells of a small cohort of 11 HESNs, 16 healthy-controls (HCs), and 11 seropositives (SPs) at baseline, in response to calcidiol (VitD precursor) and/or aldithriol-2-(AT2)-inactivated HIV-1...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28193202/association-of-high-serum-vitamin-d-concentrations-with-active-pulmonary-tb-in-an-hiv-co-endemic-setting-harare-zimbabwe
#19
Cuthbert Musarurwa, Lynn Sodai Zijenah, Doreen Zvipo Duri, Kudzie Mateveke-Dangaiso, Kudakwashe Mhandire, Maria Mary Chipiti, Marshall Wesley Munjoma, Witmore Bayayi Mujaji
BACKGROUND: There is paucity data on the association of vitamin D deficiency (VDD) and active tuberculosis (TB) in southern Africa where the human immunodeficiency virus (HIV) is co-endemic. We examined the association of serum vitamin D concentrations with active pulmonary tuberculosis (PTB) in HIV-infected (n = 284) and uninfected (n = 267) Black Zimbabweans, in Harare, Zimbabwe. METHODS: We conducted a cross-sectional study of 551 participants comprising 145 HIV(+)/PTB (+), 139 HIV(+)/PTB(-), 134 HIV(-)/PTB(+) and 133 HIV(-)/PTB(-)...
February 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28183335/efficacy-of-vitamin-d3-supplementation-in-reducing-incidence-of-pulmonary-tuberculosis-and-mortality-among-hiv-infected-tanzanian-adults-initiating-antiretroviral-therapy-study-protocol-for-a-randomized-controlled-trial
#20
Christopher R Sudfeld, Ferdinand Mugusi, Said Aboud, Tumaini J Nagu, Molin Wang, Wafaie W Fawzi
BACKGROUND: HIV-infected adults initiating antiretroviral therapy (ART) in sub-Saharan Africa continue to experience high rates of morbidity and mortality during the initial months of treatment. Observational studies in high-income and resource-limited settings indicate that HIV-infected adults with low vitamin D levels may be at increased risk of mortality, HIV disease progression, and incidence of pulmonary tuberculosis (TB). As a result, vitamin D3 supplementation may improve survival and treatment outcomes for HIV-infected adults initiating ART...
February 10, 2017: Trials
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