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folate deficiency

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https://www.readbyqxmd.com/read/29783689/cobalamin-and-folate-status-among-breastfed-infants-in-bhaktapur-nepal
#1
Ram K Chandyo, Manjeswori Ulak, Ingrid Kvestad, Mari Hysing, Merina Shrestha, Suman Ranjitkar, Arve Ulvik, Per Magne Ueland, Laxman Shrestha, Tor A Strand
Cobalamin and folate are crucial micronutrients during infancy and they are required for growth and cognitive development. Due to the monotonous and predominantly vegetarian-based complementary feeding and poor maternal micronutrient status, infants from low- and middle-income countries are susceptible to cobalamin deficiency. However, data on plasma cobalamin and folate and the functional markers methylmalonic acid and total homocysteine from breastfed infants in Nepal are still needed. We collected plasma samples from 316 6⁻11-month-old breastfed infants with a length-for-age of less than minus one z -score and analyzed blood for plasma folate, cobalamin, methylmalonic acid and total homocysteine concentrations...
May 18, 2018: Nutrients
https://www.readbyqxmd.com/read/29779810/association-between-nutritional-blood-based-biomarkers-and-clinical-outcome-in-sarcopenia-patients
#2
Salah Gariballa, Awad Alessa
BACKGROUND: Although several micronutrients deficiency were reported to be associated with poor muscle function, however information on sarcopenia patients is still lacking. The aim of this report was to measure some micronutrients blood-based status in sarcopenia patients during both acute illness and recovery. DESIGN: We assessed nutritional status of randomly selected hospitalised patients using anthropometric, haematological and biochemical data at baseline, 6 weeks and at 6 months...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29766695/analysis-of-nutrition-and-nutritional-status-of-haemodialysis-patients
#3
Anna Bogacka, Anna Sobczak-Czynsz, Elżbieta Kucharska, Małgorzata Madaj, Katarzyna Stucka
Background: Chronic kidney disease (CKD) is a common disease of civilization where nutrition is part of the treatment. Diet therapy is difficult as it is necessary to control the intake of: energy, protein and minerals – Na, K, Ca and P in the daily food rations (DFR). Objective: The aim of the study was to assess the nutritional status and diets of haemodialysis (HD) patients. Material and method: The study involved 141 haemodialysis patients, at the average age of 65...
2018: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/29761147/efficacy-of-long-term-oral-vitamin-b12-supplementation-after-total-gastrectomy-results-from-a-prospective-study
#4
Joana Moleiro, Susana Mão de Ferro, Sara Ferreira, Miguel Serrano, Margarida Silveira, António Dias Pereira
Background/Objectives: Vitamin B12 (VB12) deficiency is a common complication after total gastrectomy which may be associated with megaloblastic anemia and potentially irreversible neurologic symptoms. Intramuscular supplementation of VB12 has been considered the standard treatment, although it is associated with high costs and patient discomfort. Patients/Methods: We performed a prospective uncontrolled study (ACTRN12614000107628) in order to evaluate the clinical and laboratory efficacy of long-term oral VB12 supplementation in patients submitted to total gastrectomy...
April 2018: GE Portuguese Journal of Gastroenterology
https://www.readbyqxmd.com/read/29760651/human-dna-helicase-b-as-a-candidate-for-unwinding-secondary-cgg-repeat-structures-at-the-fragile-x-mental-retardation-gene
#5
Gulfem D Guler, Zev Rosenwaks, Jeannine Gerhardt
The fragile X syndrome (FXS) is caused by a CGG repeat expansion at the fragile X mental retardation ( FMR1 ) gene. FMR1 alleles with more than 200 CGG repeats bear chromosomal fragility when cells experience folate deficiency. CGG repeats were reported to be able to form secondary structures, such as hairpins, in vitro . When such secondary structures are formed, repeats can lead to replication fork stalling even in the absence of any additional perturbation. Indeed, it was recently shown that the replication forks stall at the endogenous FMR1 locus in unaffected and FXS cells, suggesting the formation of secondary repeat structures at the FMR1 gene in vivo ...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29754386/nutritional-deficiencies-in-chinese-patients-undergoing-gastric-bypass-and-sleeve-gastrectomy-prevalence-and-predictors
#6
Bingsheng Guan, Jingge Yang, Yanya Chen, Wah Yang, Cunchuan Wang
BACKGROUND: Nutritional deficiencies have been reported in bariatric surgery patients with inconsistent results. However, scarce data exist for Chinese patients. We aimed to assess nutritional deficiencies in Chinese patients undergoing Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG), and to identify predictors of postoperative nutritional status. METHODS: A retrospective review of a prospectively collected database was conducted in the patients undergoing RYGB and SG in our hospital between June 2013 and January 2017...
May 12, 2018: Obesity Surgery
https://www.readbyqxmd.com/read/29729235/reduction-in-unnecessary-red-blood-cell-folate-testing-by-restricting-computerized-physician-order-entry-in-the-electronic-health-record
#7
Thomas E MacMillan, Patrick Gudgeon, Paul M Yip, Rodrigo B Cavalcanti
OBJECTIVE: Red blood cell folate is a laboratory test with limited clinical utility. Previous attempts to reduce physician ordering of unnecessary laboratory tests, including folate, have resulted in only modest success. The objective of this study was to assess the effectiveness and impacts of restricting red blood cell folate ordering in the electronic health record. METHODS: This was a retrospective observational study from January 2010 to December 2016 at a large academic healthcare network in Toronto, Canada...
May 2, 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29721404/consequences-of-inadequate-intakes-of-vitamin-a-vitamin-b-12-vitamin-d-calcium-iron-and-folate-in-older-persons
#8
REVIEW
Jessica Watson, Marissa Lee, Maria Nieves Garcia-Casal
Purpose of Review: This review broadly discusses the consequences of inadequate consumption, by deficit or excess, of selected micronutrients on the quality of life and morbidity during aging, specifically considering increases in life expectancy and the costs of care in the older persons. Recent Findings: A literature review of the periods 2012 to 2018, focusing on vitamins A, B12 , and D, calcium, iron and folate, was completed as these micronutrients are found to significantly affect the aging process...
2018: Current Geriatrics Reports
https://www.readbyqxmd.com/read/29695256/metabolic-distress-in-lipid-one-carbon-metabolic-pathway-through-low-vitamin-b-12-a-population-based-study-from-north-india
#9
Kallur Nava Saraswathy, Shipra Joshi, Suniti Yadav, Priyanka Rani Garg
BACKGROUND: Dyslipidemia and hyper-homocysteinemia are the major independent risk factors of cardio vascular disease. Deficiency of folate and vitamin B-12 are associated with both hyper-homocysteinemia and dyslipidemia. The aim of the study is to evaluate the relationship of homocysteine and its associated dietary determinant levels (Folate and Vitamin B-12) with lipids and obesity parameters (WC, BMI, WHR) in North Indian population. METHODS: The participants were recruited under a major government funded project through household survey covering 15 villages of Haryana, India...
April 25, 2018: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29687201/folate-promotes-s-adenosyl-methionine-reactions-and-the-microbial-methylation-cycle-and-boosts-ruminants-production-and-reproduction
#10
REVIEW
Imtiaz Hussain Raja Abbasi, Farzana Abbasi, Lamei Wang, Mohamed E Abd El Hack, Ayman A Swelum, Ren Hao, Junhu Yao, Yangchun Cao
Folate has gained significant attention due to its vital role in biological methylation and epigenetic machinery. Folate, or vitamin (B9 ), is only produced through a de novo mechanism by plants and micro-organisms in the rumen of mature animals. Although limited research has been conducted on folate in ruminants, it has been noted that ruminal synthesis could not maintain folate levels in high yielding dairy animals. Folate has an essential role in one-carbon metabolism and is a strong antiproliferative agent...
April 23, 2018: AMB Express
https://www.readbyqxmd.com/read/29680672/targeting-of-folate-conjugated-liposomes-with-co-entrapped-drugs-to-prostate-cancer-cells-via-prostate-specific-membrane-antigen-psma
#11
Yogita Patil, Hilary Shmeeda, Yasmine Amitay, Patricia Ohana, Saran Kumar, Alberto Gabizon
Folate-targeted liposomes (FTL) were tested as drug delivery vehicles to PSMA-positive cancer cells. We used FL with co-entrapped mitomycin C lipophilic prodrug (MLP) and doxorubicin (DOX), and the LNCaP prostate cancer cell line which expresses PSMA but is negative for folate receptor. A major increase in cell drug levels was observed when LNCaP cells were incubated with FTL as compared to non-targeted liposomes (NTL). MLP was activated to mitomycin C, and intracellular and nuclear fluorescence of DOX was detected, indicating FTL processing and drug bioavailability...
April 19, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29669023/the-relevance-of-vitamin-and-iron-deficiency-in-patients-with-inflammatory-bowel-diseases-in-patients-of-the-swiss-ibd-cohort
#12
Matiar Madanchi, Stefania Fagagnini, Nicolas Fournier, Luc Biedermann, Jonas Zeitz, Edouard Battegay, Lukas Zimmerli, Stephan R Vavricka, Gerhard Rogler, Michael Scharl
Background andAims: Vitamin and iron deficiencies are common in patients with inflammatory bowel disease (IBD) as a result of chronic intestinal inflammation, increase in demand, or dietary restrictions. Here, we assessed the frequency of complications in relation to deficiency of iron, folate acid, and vitamin B12 in patients enrolled in the nationwide Swiss Inflammatory Bowel Disease Cohort Study (SIBDCS). Methods: A total of 2666 patients were included in the study, 1558 with Crohn's disease (CD) and 1108 with ulcerative colitis (UC)...
April 13, 2018: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/29668043/folate-deficiency-increases-chromosomal-damage-and-mutations-in-hematopoietic-cells-in-the-transgenic-mutamouse-model
#13
Danielle P LeBlanc, Nathalie A Behan, Jason M O'Brien, Francesco Marchetti, Amanda J MacFarlane
Folate deficiency causes megaloblastic anemia and neural tube defects, and is also associated with some cancers. In vitro, folate deficiency increases mutation frequency and genome instability, as well as exacerbates the mutagenic potential of known environmental mutagens. Conversely, it remains unclear whether or not elevated folic acid (FA) intakes are beneficial or detrimental to the induction of DNA mutations and by proxy human health. We used the MutaMouse transgenic model to examine the in vivo effects of FA deficient, control, and supplemented diets on somatic DNA mutant frequency (MF) and genome instability in hematopoietic cells...
April 18, 2018: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29661593/-diagnostic-workup-in-front-of-an-atypical-non-hemolytic-anemia
#14
J Y Colin, G Vignon, P Mottaz, J Labrousse, F Carrere, P F Augereau, P Aucher, F Lellouche
The most potential causes of "non hemolytic" anemias are iron, folate or vitamin B12 deficiencies, severe renal impairment, endocrine diseases, inflammation and medullary disorders. In a non-exceptionnal way no cause is found, sometimes because of a wrong interpretation of analysis results and sometimes because of a little known etiology. The goal of this review is to point out analytical difficulties and to remember some rarer etiologies.
April 13, 2018: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29661558/genetic-assessment-and-folate-receptor-autoantibodies-in-infantile-onset-cerebral-folate-deficiency-cfd-syndrome
#15
V Th Ramaekers, K Segers, J M Sequeira, M Koenig, L Van Maldergem, V Bours, U Kornak, E V Quadros
INTRODUCTION: Cerebral folate deficiency (CFD) syndromes are defined as neuro-psychiatric conditions with low CSF folate and attributed to different causes such as autoantibodies against the folate receptor-alpha (FR) protein that can block folate transport across the choroid plexus, FOLR1 gene mutations or mitochondrial disorders. High-dose folinic acid treatment restores many neurologic deficits. STUDY AIMS AND METHODS: Among 36 patients from 33 families the infantile-onset CFD syndrome was diagnosed based on typical clinical features and low CSF folate...
March 3, 2018: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/29659962/low-dietary-folate-interacts-with-mthfd1-synthetase-deficiency-in-mice-a-model-for-the-r653q-variant-to-increase-incidence-of-developmental-delays-and-defects
#16
Karen E Christensen, Renata H Bahous, Wenyang Hou, Liyuan Deng, Olga V Malysheva, Erland Arning, Teodoro Bottiglieri, Marie A Caudill, Loydie A Jerome-Majewska, Rima Rozen
Background: Suboptimal folate intake, a risk factor for birth defects, is common even in areas with folate fortification. A polymorphism in methylenetetrahydrofolate dehydrogenase 1 (MTHFD1), R653Q (MTHFD1 c.1958 G > A), has also been associated with increased birth defect risk, likely through reduced purine synthesis. Objective: We aimed to determine if the interaction of MTHFD1 synthetase deficiency and low folate intake increases developmental abnormalities in a mouse model for MTHFD1 R653Q...
April 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29643928/effect-of-low-energy-diet-for-eight-weeks-to-adults-with-overweight-or-obesity-on-folate-retinol-vitamin-b-12-d-and-e-status-and-the-degree-of-inflammation-a-post-hoc-analysis-of-a-randomized-intervention-trial
#17
Nina Rica Wium Geiker, Mette Veller, Louise Kjoelbaek, Jette Jakobsen, Christian Ritz, Anne Raben, Arne Astrup, Janne Kunchel Lorenzen, Lesli H Larsen, Susanne Bügel
Background: Obesity is associated with vitamin insufficiency and low grade inflammation. The purpose of this study was to investigate the effect of weight loss on folate, retinol, vitamin B12 , D and E status and the degree of inflammation. Methods: Out of 110, 85 individuals (75% women) aged 39 ± 11 years with a mean ± SD BMI of 33 ± 4 kg/m2 , completed an eight-week low energy diet (LED). Serum concentration of folate, retinol, B12 , D and E and C-reactive protein and homocysteine (Hcy) were measured at baseline and at end of the LED...
2018: Nutrition & Metabolism
https://www.readbyqxmd.com/read/29610943/restless-legs-syndrome-is-a-relevant-comorbidity-in-patients-with-inflammatory-bowel-disease
#18
Janek Becker, Felix Berger, Katharina A Schindlbeck, Denis Poddubnyy, Peter M Koch, Jan C Preiß, Britta Siegmund, Frank Marzinzik, Jochen Maul
BACKGROUND AND AIMS: In patients with inflammatory bowel disease (IBD), restless legs syndrome (RLS) may occur as an extraintestinal disease manifestation. Iron deficiency (ID) or folate deficiency/vitamin B12 deficiency (FD/VB12 D) has previously been described to cause RLS. Here, we determined the prevalence and severity of RLS in IBD patients and evaluated the effect of iron and/or folic acid/vitamin B12 supplementation. METHODS: Patients were screened for ID and RLS by a gastroenterologist...
April 3, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29597190/vitamin-b12-deficiency-and-the-role-of-gender-a-cross-sectional-study-of-a-large-cohort
#19
Ili Margalit, Eytan Cohen, Elad Goldberg, Ilan Krause
BACKGROUND: Vitamin B12 deficiency is associated with hematological, neurological, and cardiovascular consequences. Epidemiologic data on these related illnesses indicate gender differences. METHODS: A cross-sectional study was designed to examine gender differences in vitamin B12 deficiency among a healthy population. Data from healthy individuals aged 18-65, who were provided with a routine medical evaluation during 2000-2014, were retrieved from the medical charts...
March 29, 2018: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/29596860/endothelial-dysfunction-endothelial-nitric-oxide-bioavailability-tetrahydrobiopterin-and-5-methyltetrahydrofolate-in-cardiovascular-disease-where-are-we-with-therapy
#20
REVIEW
Matthew F Yuyun, Leong L Ng, G André Ng
Homeostasis around vascular endothelium is a function of the equilibrium between the bioavailability of nitric oxide (NO) and oxidizing reactive oxygen species (ROS). Within the vascular endothelium, NO enhances vasodilatation, reduces platelet aggression and adhesion (anti-thrombotic), prevents smooth muscle proliferation, inhibits adhesion of leukocytes and expression of pro-inflammatory cytokines genes (anti-inflammatory), and counters the oxidation of low density lipoprotein (LDL) cholesterol. A shift in the equilibrium that favours NO deficiency and ROS formation leads to endothelial dysfunction and cardiovascular disease...
March 27, 2018: Microvascular Research
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