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https://www.readbyqxmd.com/read/29149073/micronutrient-deficiencies-among-breastfeeding-infants-in-tanzania
#1
Alexandra L Bellows, Emily R Smith, Alfa Muhihi, Christina Briegleb, Ramadhani A Noor, Salum Mshamu, Christopher Sudfeld, Honorati Masanja, Wafaie W Fawzi
Infant mortality accounts for the majority of child deaths in Tanzania, and malnutrition is an important underlying cause. The objectives of this cross-sectional study were to describe the micronutrient status of infants in Tanzania and assess predictors of infant micronutrient deficiency. We analyzed serum vitamin D, vitamin B12, folate, and ferritin levels from 446 infants at two weeks of age, 408 infants at three months of age, and 427 mothers three months post-partum. We used log-Poisson regression to estimate relative risk of being deficient in vitamin D and vitamin B12 for infants in each age group...
November 17, 2017: Nutrients
https://www.readbyqxmd.com/read/29141978/cobalamin-status-from-pregnancy-to-early-childhood-lessons-from-global-experience
#2
REVIEW
Rima Obeid, Michelle Murphy, Pol Solé-Navais, Chittaranjan Yajnik
Low cobalamin intake and status during pregnancy or lactation have been linked to adverse maternal and perinatal health outcomes, whereas low cobalamin status during early childhood is associated with impaired development in children. Women who begin pregnancy with depleted stores (low or very low plasma cobalamin) will give birth to depleted infants who are likely to develop deficiency symptoms during the first few weeks or months postpartum. Newly ingested cobalamin during pregnancy and lactation (from diet or supplements) is transferred to the child and is not likely to correct cobalamin status in depleted women...
November 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/29141214/partitioning-of-one-carbon-units-in-folate-and-methionine-metabolism-is-essential-for-neural-tube-closure
#3
Kit-Yi Leung, Yun Jin Pai, Qiuying Chen, Chloe Santos, Enrica Calvani, Sonia Sudiwala, Dawn Savery, Markus Ralser, Steven S Gross, Andrew J Copp, Nicholas D E Greene
Abnormal folate one-carbon metabolism (FOCM) is implicated in neural tube defects (NTDs), severe malformations of the nervous system. MTHFR mediates unidirectional transfer of methyl groups from the folate cycle to the methionine cycle and, therefore, represents a key nexus in partitioning one-carbon units between FOCM functional outputs. Methionine cycle inhibitors prevent neural tube closure in mouse embryos. Similarly, the inability to use glycine as a one-carbon donor to the folate cycle causes NTDs in glycine decarboxylase (Gldc)-deficient embryos...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29139138/folate-status-in-women-of-reproductive-age-as-basis-of-neural-tube-defect-risk-assessment
#4
Lynn B Bailey, Dorothy B Hausman
Reliable folate status data for women of reproductive age (WRA) to assess global risk for neural tube defects (NTDs) are needed. We focus on a recent recommendation by the World Health Organization that a specific "optimal" red blood cell (RBC) folate concentration be used as the sole indicator of NTD risk within a population and discuss how to best apply this guidance to reach the goal of assessing NTD risk globally. We also emphasize the importance of using the microbiologic assay (MBA) as the most reliable assay for obtaining comparable results for RBC folate concentration across time and countries, the need for harmonization of the MBA through use of consistent key reagents and procedures within laboratories, and the requirement to apply assay-matched cutoffs for folate deficiency and insufficiency...
November 15, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29137685/nutrition-research-in-cognitive-impairment-dementia-with-a-focus-on-soya-and-folate
#5
Eef Hogervorst, Shelina Kassam, Atik Kridawati, Mira Soni, Xu Xin, Xiao Shifu, Tri Budi Rahardjo
Observational studies and treatment trials investigating nutrition and cognitive function, with a focus on folate and soya and dementia, were reviewed. Data suggested that effects of folic acid based interventions may only be shown before cognitive decline is evident and/or if people are folate deficient. In older people in Indonesia, Hawai'i and China, tofu, which can contain high levels of phytoestrogens, was found to increase dementia risk. This association was not mediated by a vegetarian diet, socioeconomic status, formaldehyde, thyroid function, or loss of teeth...
November 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29131701/are-the-level-of-knowledge-and-practices-of-pregnant-women-regarding-folic-acid-supplementation-still-inadequate-a-cross-sectional-study-in-a-middle-eastern-urban-setting
#6
Antoine Aoun, Lara Faddoul, Flora El Jabbour, Nada El Osta, Sani Hlais, Lana El Osta
This observational cross-sectional study aimed to examine the knowledge and practices of pregnant women in North Lebanon regarding periconceptional folic acid (FA) supplementation. A convenience sample of pregnant women attending gynecology clinics in North Lebanon was recruited between May and September 2013. Data were collected from a face-to-face interview performed by a trained local dietician as well as from review of obstetric charts. A total of 465 women were included in the study. Only 37 (7.9%) were aware of the role of FA in preventing birth defects, while 129 (27...
November 13, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29129112/folate-deficiency-and-anemia-among-women-of-reproductive-age-15-49-years-in-senegal-results-of-a-national-cross-sectional-survey
#7
Ndèye Fatou Ndiaye, Nicole Idohou-Dossou, Adama Diouf, Amadou Tidiane Guiro, Salimata Wade
BACKGROUND: Widely spread throughout the world, folate and iron deficiencies are risk factors for many diseases. However, contrary to iron deficiency and anemia, which have been documented in depth, the prevalence of folate deficiency among women has not been well-studied. OBJECTIVE: The aim of this study is to determine the prevalence of folate deficiency and anemia and their association among Senegalese women of reproductive age. METHODS: A national cross-sectional survey using a stratified 2-stage cluster sampling was conducted...
January 1, 2017: Food and Nutrition Bulletin
https://www.readbyqxmd.com/read/29099364/nutrition-for-oral-health-and-oral-manifestations-of-poor-nutrition-and-unhealthy-habits
#8
Matthew Pflipsen, Yevgeniy Zenchenko
The availability of proper nutrients is critical for the growth, development, maintenance, and repair of healthy dentition and oral tissues. Deficiencies particularly relevant to the dental practice are those in folate and other B complex vitamins; vitamins A, C, and D; calcium; fluoride; and protein. A lack of these nutrients affects nearly every structure in the oral cavity, causing or contributing to scurvy, cleft palate, enamel hypoplasia, poor mineralization, caries, and other pathoses. Damage to the dentition can also be observed in individuals with unhealthy habits; for example, a diet high in sugars will promote processes such as demineralization and caries...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29094796/severely-inadequate-micronutrient-intake-among-children-9-24%C3%A2-months-in-nepal-the-mal-ed-birth-cohort-study
#9
Marianne S Morseth, Liv Elin Torheim, Ram K Chandyo, Manjeswori Ulak, Sanjaya K Shrestha, Binob Shrestha, Are Hugo Pripp, Sigrun Henjum
Prevalence of micronutrient deficiencies is high among infants and children in low- and middle income countries, but knowledge about nutrient adequacy across the complementary feeding period is limited. We investigated probability of adequacy (PA) of breast milk and complementary food combined and nutrient density adequacy (NDA) of complementary food and tracking of NDA over time among 229 children from 9-24 months of age in Bhaktapur, Nepal. Monthly, 24 h dietary recalls (16 in total) were performed and subgrouped into four 4-month time periods...
November 2, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29083449/high-serum-folate-is-associated-with-brain-atrophy-in-older-diabetic-people-with-vitamin-b12-deficiency
#10
Y Deng, D Wang, K Wang, T Kwok
Previous studies have reported the adverse cognitive effects of high folate status in older individuals with vitamin B12 (VB12) deficiency. Thus, the aim of this study was to investigate how high serum folate and VB12 deficiency could collaboratively aggravate neuronal degeneration. In total, 146 older non-demented diabetic individuals with an average age of 75 ± 3.9 were recruited. VB12 deficiency and high folate status were based on high serum methylmalonic acid (MMA) concentrations (> 0.3 μmol/L) and the serum folate concentration being in the top tertile (> 31...
2017: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/29073064/human-shmt-inhibitors-reveal-defective-glycine-import-as-a-targetable-metabolic-vulnerability-of-diffuse-large-b-cell-lymphoma
#11
Gregory S Ducker, Jonathan M Ghergurovich, Nello Mainolfi, Vipin Suri, Stephanie K Jeong, Sophia Hsin-Jung Li, Adam Friedman, Mark G Manfredi, Zemer Gitai, Hahn Kim, Joshua D Rabinowitz
The enzyme serine hydroxymethyltransferse (SHMT) converts serine into glycine and a tetrahydrofolate-bound one-carbon unit. Folate one-carbon units support purine and thymidine synthesis, and thus cell growth. Mammals have both cytosolic SHMT1 and mitochondrial SHMT2, with the mitochondrial isozyme strongly up-regulated in cancer. Here we show genetically that dual SHMT1/2 knockout blocks HCT-116 colon cancer tumor xenograft formation. Building from a pyrazolopyran scaffold that inhibits plant SHMT, we identify small-molecule dual inhibitors of human SHMT1/2 (biochemical IC50 ∼ 10 nM)...
October 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29072168/application-of-adaptive-neuro-fuzzy-inference-systems-anfis-to-delineate-estradiol-glutathione-and-homocysteine-interactions
#12
Iyyapu Krishna Mohan, Siraj Ahmed Khan, Rachel Jacob, Nooguri Sushma Chander, Tajamul Hussain, Salman A Alrokayan, Akella Radha Rama Devi, Shaik Mohammad Naushad
The rationale of the current study was to elucidate the contributing factors for the gender-based differences in total plasma homocysteine levels. A total of 413 subjects comprising of 293 men and 120 women were enrolled for the study. Chemiluminescence technology for vitamin B12, folate and total plasma homocysteine; ELISA for estradiol and 8-oxo-2-deoxyguanosine; Ellman's method for total glutathione; and PCR-RFLP analysis for the detection of methylene tetrahydrofolate reductase (MTHFR) C677T polymorphism were employed...
August 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29061498/effect-of-a-red-blood-cell-transfusion-on-biological-markers-used-to-determine-the-cause-of-anemia-a-prospective-study
#13
Antoine Froissart, Benjamin Rossi, Brigitte Ranque, Irène Jarrin, Jean-François Bergmann, Sébastien Beaune, Sandrine Dautheville, Nicole Breau, Agnès Dauvergne, Lauréline Deluche, Tiphaine Robert, Nathalie Gault, Carine Roy, Virginie Zarrouk, Olivier Steichen, Bruno Fantin
BACKGROUND: Blood test results required for the evaluation of anemia are considered difficult to interpret after red blood cell transfusion. However, this hypothesis is neither supported by a strong physiological rationale nor is it evidence based. METHODS: We conducted a prospective multicenter study to compare the values of key assays before and after a course of red blood cell transfusion in the emergency or internal medicine units in four university hospitals...
October 20, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29058145/vitamin-status-and-the-development-of-postoperative-cognitive-decline-in-elderly-surgical-oncologic-patients
#14
Linda B M Weerink, Barbara L van Leeuwen, Sofie A M Gernaat, Anthony R Absalom, Monique G Huisman, Hanneke van der Wal-Huisman, Gerbrand J Izaks, Geertruida H de Bock
BACKGROUND: This study aimed to evaluate the influence that serum levels of vitamin B12, folate, and homocysteine have on the development of short-term postoperative cognitive decline in the elderly surgical oncology patient. METHODS: This study was part of a prospective cohort study focused on postoperative cognitive outcomes for patients 65 years of age or older undergoing surgery for a solid malignancy. Postoperative cognitive decline was defined as the change in the combined results of the Ruff Figural Fluency Test and the Trail-Making Test Parts A and B...
October 20, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29046759/copper-deficiency-a-new-triad-anemia-leucopenia-and-myeloneuropathy
#15
Shoaib M Wazir, Ibrahim Ghobrial
Clinical copper deficiency is now more frequently recognized. Hematologically, it can present as anemia (microcytic, normocytic, or macrocytic) and neutropenia. Thrombocytopenia is relatively rare. Neurologically, it can manifest as myelopathy and peripheral neuropathy simulating subacute combined degeneration. Bone marrow findings can mimic myelodysplasia resulting in occasional inappropriate referral for bone marrow transplantation. Other conditions with similar presentations include infections, drug toxicity, autoimmunity, B12 deficiency, folate deficiency, myelodysplastic syndrome, aplastic anemia, and lymphoma with bone marrow involvement...
October 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29034232/maternally-contributed-folate-receptor-1-is-expressed-in-ovarian-follicles-and-contributes-to-preimplantation-development
#16
Trine Strandgaard, Solveig Foder, Anders Heuck, Erik Ernst, Morten S Nielsen, Karin Lykke-Hartmann
Folates have been shown to play a crucial role for proper development of the embryo as folate deficiency has been associated with reduced developmental capacity such as increased risk of fetal neural tube defects and spontanous abortion. Transcripts encoding the reduced folate carrier RFC1 (SLC19A1 protein) and the high-affinity folate receptor FOLR1 are expressed in oocytes and preimplantation embryos, respectively. In this study, we observed maternally contributed FOLR1 protein during mouse and human ovarian follicle development, and 2-cell mouse embryos...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/29032242/combination-of-vitamin-b12-active-forms-improved-fetal-growth-in-wistar-rats-through-up-regulation-of-placental-mir-16-and-mir-21-levels
#17
Tejas Shah, Sanjay Mishra, Amol More, Suhas Otiv, Kishori Apte, Kalpana Joshi
AIM: Epidemiological studies have indicated importance of folate and vitamin (B12) during pregnancy. Also available evidence on efficacy of B12 forms viz. Cyanocobalamin (Cbl), Methylcobalamin (MeCbl), Adenosylcobalamin (AdCbl) and Hydroxycobalamin (HCbl) in preventing or treating cobalamin deficiency is limited. The present study examines the effect of various forms of B12 in combination with folate during pregnancy and their effect on gestational outcomes. MAIN METHOD: In the present study, we examined the effect of various vitamin B12 forms in presence of recommended folate (RFol: 400μg/day) and high folate (HFol: 5mg/day) on gestational outcomes in female Wistar rats...
December 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/29028357/folate-peg-nota-al18f-a-new-folate-based-radiotracer-for-pet-imaging-of-folate-receptor-positive-tumors
#18
Qingshou Chen, Xiangjun Meng, Paul McQuade, Daniel Rubins, Shu-An Lin, Zhizhen Zeng, Hyking Haley, Patricia Miller, Dinko Gonzalez Trotter, Philip S Low
The folate receptor (FR) has been established as a promising target for imaging and therapy of cancer (FR-α), inflammation, and autoimmune diseases (FR-β). Several folate-based PET radiotracers have been reported in the literature, but an 18F- labeled folate-PET imaging agent with optimal properties for clinical translation is still lacking. In the present study, we report the design and preclinical evaluation of folate-PEG12-NOTA-Al18F (1), a new folate-PET agent with improved potential for clinical applications...
October 13, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29026589/a-retrospective-analysis-of-biochemical-and-haematological-parameters-in-patients-with-eating-disorders
#19
Leanne J Barron, Robert F Barron, Jeremy C S Johnson, Ingrid Wagner, Cameron J B Ward, Shannon R B Ward, Faye M Barron, Warren K Ward
BACKGROUND: The objective of the study was to determine whether levels of biochemical and haematological parameters in patients with eating disorders (EDs) varied from the general population. Whilst dietary restrictions can lead to nutritional deficiencies, specific abnormalities may be relevant to the diagnosis, pathogenesis and treatment of EDs. METHODS: With ethics approval and informed consent, a retrospective chart audit was conducted of 113 patients with EDs at a general practice in Brisbane, Australia...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/28988003/folate-deficiency-in-patients-seeking-treatment-of-alcohol-use-disorder
#20
Arantza Sanvisens, Paola Zuluaga, Miriam Pineda, Daniel Fuster, Ferran Bolao, Jordi Juncà, Jordi Tor, Robert Muga
INTRODUCTION: Nutritional deficiency is frequent in patients with an alcohol use disorder (AUD). We aimed to analyze serum and erythrocyte folate deficiency in a case series of patients that initiated treatment of AUD. PATIENTS AND METHODS: A cross-sectional study in patients admitted for detoxification between 2007 and 2015 was performed. Sociodemographic characteristics, history of alcohol consumption, type of alcohol, and medical co-morbidity were assessed at admission...
November 1, 2017: Drug and Alcohol Dependence
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