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https://www.readbyqxmd.com/read/29322314/cognitive-impairment-is-associated-with-elevated-serum-homocysteine-levels-among-older-adults
#1
Sunghee Kim, Bo Youl Choi, Jung Hyun Nam, Mi Kyung Kim, Dong Hoon Oh, Yoon Jung Yang
PURPOSE: The aim of this study was to examine the associations between the risk of cognitive impairment and the serum levels of folate, vitamin B12, and homocysteine (Hcy). METHODS: Subjects were persons aged 60-79 years who participated in the Yangpyeong Cohort study between 2011 and 2012. Cognitive impairment and normal subjects consisted of 100 pairs of old adults matched by age, sex, and education levels. Cognitive function was evaluated with the Korean version of the Mini-Mental State Examination for Dementia Screening (MMSE-DS)...
January 10, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29321350/neuro-fuzzy-model-of-homocysteine-metabolism
#2
Shaik Mohammad Naushad, Akella Radha Rama Devi, Sriraman Nivetha, Ganapathy Lakshmitha, Alex Balraj Stanley, Tajamul Hussain, Vijay Kumar Kutala
In view of well-documented association of hyperhomocysteinaemia with a wide spectrum of diseases and higher incidence of vitamin deficiencies in Indians, we proposed a mathematical model to forecast the role of demographic and genetic variables in influencing homocysteinemetabolism and investigated the influence of life style modulations in controlling homocysteine levels. Total plasma homocysteine levels were measured in fasting samples using reverse phase HPLC. Multiple linear regression (MLR) and neuro-fuzzy models were developed...
December 2017: Journal of Genetics
https://www.readbyqxmd.com/read/29306994/association-between-maternal-and-infantile-markers-of-cobalamin-status-during-the-first-month-post-delivery
#3
Sümeyra Çoban, Ebru Yılmaz Keskin, Mahir İğde
OBJECTIVE: Exclusively breast-fed infants born to vitamin B12 (cobalamin, cbl)-deficient mothers can develop symptoms within a few months following delivery. The authors aimed to assess the relationship between maternal and infantile markers of cbl status. METHODS: In 240 full-term infants (age, 2-30 d) admitted to Samsun Maternity and Child Health Hospital and their mothers, complete blood count testing and serum cbl, folate and plasma total homocysteine (tHcy) measurements were performed...
January 6, 2018: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29305196/periconceptional-folate-deficiency-leads-to-autism-like-traits-in-wistar-rat-offspring
#4
Stéphanie Degroote, Darel Hunting, Larissa Takser
BACKGROUND: Folates in their role as key one carbon donors, are essential for two major pathways: the synthesis of DNA and RNA precursors and DNA methylation. A growing body of evidence from epidemiological studies indicates a possible association between nutritional and functional deficiency in folates and Autism Spectrum Disorders (ASD). However, there are no available behavioral animal studies on periconceptional one‑carbon donor deficiency during gestation and the autistic phenotype...
January 2, 2018: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/29277427/folate-biofortification-of-potato-by-tuber-specific-expression-of-four-folate-biosynthesis-genes
#5
Jolien De Lepeleire, Simon Strobbe, Jana Verstraete, Dieter Blancquaert, Lars Ambach, Richard G F Visser, Christophe Stove, Dominique Van Der Straeten
Insufficient dietary intake of micronutrients, known as 'hidden hunger', is a devastating global burden, affecting 2 billion people. Deficiency of folates (vitB9), which are known to play a central role in C1-metabolism, causes birth defects in at least a quarter million people annually. Biofortification to enhance the level of naturally occurring folates in crop plants, proves to be an efficient and cost-effective tool in fighting folate deficiency. Previously, introduction of folate biosynthesis genes GTPCHI and ADCS, proven to be a successful biofortification strategy in rice and tomato, turned out to be insufficient to adequately increase folate levels in potato tubers...
December 19, 2017: Molecular Plant
https://www.readbyqxmd.com/read/29275342/prevalence-and-possible-factors-associated-with-anaemia-and-vitamin-b-12-and-folate-deficiencies-in-women-of-reproductive-age-in-pakistan-analysis-of-national-level-secondary-survey-data
#6
Sajid Soofi, Gul Nawaz Khan, Kamran Sadiq, Shabina Ariff, Atif Habib, Sumra Kureishy, Imtiaz Hussain, Muhammad Umer, Zamir Suhag, Arjumand Rizvi, Zulfiqar Bhutta
OBJECTIVE: To determine the prevalence and possible factors associated with anaemia, and vitamin B12 and folate deficiencies in women of reproductive age (WRA) in Pakistan. METHODS: A secondary analysis was conducted on data collected through the large-scale National Nutrition Survey in Pakistan in 2011. Anaemia was defined as haemoglobin levels <12 g/dL, vitamin B12 deficiency as serum vitamin B12 levels of <203 pg/mL (150 pmol/L) and folate deficiency as serum folate levels <4 ng/mL (10 nmol/L)...
December 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29273594/effect-of-smoking-and-folate-levels-on-the-efficacy-of-folic-acid-therapy-in-prevention-of-stroke-in-hypertensive-men
#7
Ziyi Zhou, Jianping Li, Yaren Yu, Youbao Li, Yan Zhang, Lishun Liu, Yun Song, Min Zhao, Yu Wang, Genfu Tang, Mingli He, Xiping Xu, Yefeng Cai, Qiang Dong, Delu Yin, Xiao Huang, Xiaoshu Cheng, Binyan Wang, Fan Fan Hou, Xiaobin Wang, Xianhui Qin, Yong Huo
BACKGROUND AND PURPOSE: We aimed to examine whether the efficacy of folic acid therapy in the primary prevention of stroke is jointly affected by smoking status and baseline folate levels in a male population in a post hoc analysis of the CSPPT (China Stroke Primary Prevention Trial). METHODS: Eligible participants of the CSPPT were randomly assigned to a double-blind daily treatment of a combined enalapril 10-mg and folic acid 0.8-mg tablet or an enalapril 10-mg tablet alone...
January 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29246599/manifestations-of-neurological-symptoms-and-thromboembolism-in-adults-with-mthfr-deficiency
#8
Paulus S Rommer, Johannes Zschocke, Brian Fowler, Manuela Födinger, Vassiliki Konstantopoulou, Dorothea Möslinger, Elisabeth Stögmann, Erhard Suess, Matthias Baumgartner, Eduard Auff, Gere Sunder-Plassmann
BACKGROUND: Methylenetetrahydrofolate-reductase (MTHFR) deficiency is a rare autosomal recessive disorder affecting intracellular folate metabolism with affection of different organ systems and clinical manifestation usually in childhood. OBJECTIVE: We report on four adult members of a family with MTHFR deficiency presenting with neurological and thromboembolic complications in adulthood. METHODS: Extensive diagnostic work-up including genetic testing was performed in four adult members...
December 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29242982/-iron-a-miralcle-cure-for-chronic-cardiac-insufficiency
#9
REVIEW
Katrin Singler
Anemia and chronic heart failure are frequent comorbidities in geriatric patients. In approximately one third of older adults the cause of the anemia is an iron, vitamin B12 and/or folate deficiency and in another third a chronic inflammatory process is present. In the case of iron deficiency a differentiation must be made between the absolute and functional forms. Although in functional iron deficiency ferritin, as a parameter of iron metabolism, is within the normal range or can even be higher, an iron-deficient erythropoiesis is present...
December 14, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/29231735/a-novel-folate-binding-protein-in-arabidopsis-expressed-during-salicylic-acid-induced-folate-accumulation
#10
Bijesh Puthusseri, Peethambaran Divya, Veeresh Lokesh, Gyanendra Kumar, Mohammed Azharuddin Savanur, Bhagyalakshmi Neelwarne
Increasing the quantity of natural folates in plant foods is recently gaining significant interest, owing to their acute deficiencies in various populations. This study observed that foliar salicylic acid treatment enhanced the accumulation of folates in Arabidopsis, which correlated with the increase in a folate binding protein (FBP) and the expression of mRNA of a putative folate binding protein At5G27830. A protein band corresponding to ~43 kDa was observed after resolving the affinity-purified protein on SDS-PAGE, and the partial amino acid sequence indicated that the protein is indeed At5G27830...
December 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29222906/low-maternal-folate-concentrations-and-maternal-mthfr-c677t-polymorphism-are-associated-with-an-increased-risk-for-neural-tube-defects-in-offspring-a-case-control-study-among-pakistani-case-and-control-mothers
#11
Nuzhat Nauman, Samina Jalali, Sajjad Shami, Shireen Rafiq, Greta Große, Alina C Hilger, Rhong Zhang, Saira Mansoor, Michael Ludwig, Heiko Reutter
BACKGROUND AND OBJECTIVES: There is considerable evidence that periconceptional maternal folate deficiency and coding variants in maternal genes coding for critical enzymes in the folate pathway are associated with neural tube defects (NTDs) in offspring. In a case-control study we investigated C677T polymorphism in the 5,10- methylenetetrahydrofolate reductase (MTHFR) gene in case and control mothers of Pakistani origin, and compared these with the respective maternal folate concentrations measured at the time of delivery...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29220669/modulation-of-dietary-folate-with-age-confers-selective-hepatocellular-epigenetic-imprints-through-dna-methylation
#12
Rauf Ahmad Najar, Nissar Ahmad Wani, Javeed Ahmad Bhat, Nawab John Dar, Beenish Rahat, Ajai Prakash Gupta, Jaspreet Kaur, Jyotdeep Kaur, Abid Hamid
The present study has been designed to determine the effect of folate modulation (deficiency/supplementation) with aging on the promoter methylation of tumor suppressor and proto-oncogenes to understand the underlying mechanism of epigenetic alterations. Folate deficiency was induced for 3 and 5 months in weanling, young and adult groups, and after 3 months of folate deficiency, they were repleted with physiological folate (2 mg/kg diet) and folate oversupplementation (8 mg/kg diet) for another 2 months. The methylation facet in the present study revealed that the combined effect of folate deficiency and aging decreased the methylation index...
November 2, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29212039/comprehensive-mapping-of-pluripotent-stem-cell-metabolism-using-dynamic-genome-scale-network-modeling
#13
Sriram Chandrasekaran, Jin Zhang, Zhen Sun, Li Zhang, Christian A Ross, Yu-Chung Huang, John M Asara, Hu Li, George Q Daley, James J Collins
Metabolism is an emerging stem cell hallmark tied to cell fate, pluripotency, and self-renewal, yet systems-level understanding of stem cell metabolism has been limited by the lack of genome-scale network models. Here, we develop a systems approach to integrate time-course metabolomics data with a computational model of metabolism to analyze the metabolic state of naive and primed murine pluripotent stem cells. Using this approach, we find that one-carbon metabolism involving phosphoglycerate dehydrogenase, folate synthesis, and nucleotide synthesis is a key pathway that differs between the two states, resulting in differential sensitivity to anti-folates...
December 5, 2017: Cell Reports
https://www.readbyqxmd.com/read/29206972/nutritional-deficiencies-and-clinical-correlates-in-first-episode-psychosis-a-systematic-review-and-meta-analysis
#14
Joseph Firth, Rebekah Carney, Brendon Stubbs, Scott B Teasdale, Davy Vancampfort, Philip B Ward, Michael Berk, Jerome Sarris
Objective: Diet is increasingly recognized as a potentially modifiable factor influencing the onset and outcomes of psychiatric disorders. Whereas, previous research has shown long-term schizophrenia is associated with various nutritional deficiencies, this meta-analysis aimed to determine the prevalence and extent of nutritional deficits in first-episode psychosis (FEP). Method: A search of electronic databases conducted in July 2017 identified 28 eligible studies, examining blood levels of 6 vitamins and 10 minerals across 2612 individuals: 1221 individuals with FEP and 1391 control subjects...
November 30, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29197046/evaluation-of-nutritional-status-post-laparoscopic-sleeve-gastrectomy-5-year-outcomes
#15
Salman Al-Sabah, Aliaa Al-Mutawa, Alfred Kojo Anderson, Mohammad Al-Mutawa
INTRODUCTION: Obesity is considered a public health problem and has led to advancements in bariatric surgery. Laparoscopic sleeve gastrectomy (LSG) had become the most performed procedure worldwide; however, its consequences on nutritional status in the short and long term are of concern. METHODS: A retrospective analysis of medical records and bariatric database of patients who underwent LSG from October 2008-September 2015 at Al-Amiri Hospital, Kuwait, was performed...
December 1, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29181176/chemoprevention-using-folic-acid-for-dysplastic-lesions-of-the-larynx
#16
Massimo Mesolella, Maurizio Iengo, Domenico Testa, Filippo Ricciardiello, Brigida Iorio
Folate deficiency may be directly associated with carcinogenesis. Folate supplementation may reduce the risk of progression in a mucosa that is already genetically altered. The aim of the present study was to determine the role of folic acid in the treatment of mild and moderate laryngeal dysplasia recurring after surgery. The data obtained by laryngoscopy, measurement of serum folate levels and functional vocal assessment with the GIRBAS scale and VHI questionnaire were compared in patients who had received folic acid with a homogeneous group of patients with dysplasia who had not undergone any therapy...
November 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29179099/influence-of-fermentation-and-other-processing-steps-on-the-folate-content-of-a-traditional-african-cereal-based-fermented-food
#17
Fabien Saubade, Youna M Hemery, Isabelle Rochette, Jean-Pierre Guyot, Christèle Humblot
Folate deficiency can cause a number of diseases including neural tube defects and megaloblastic anemia, and still occurs in both developed and developing countries. Cereal-based food products are staple foods in many countries, and may therefore be useful sources of folate. The production of folate by microorganisms has been demonstrated in some cereal-based fermented foods, but has never been studied in a traditional African cereal based food spontaneously fermented. The microbiota of ben-saalga, a pearl-millet based fermented porridge frequently consumed in Burkina Faso, has a good genetic potential for the synthesis of folate, but the folate content of ben-saalga is rather low, suggesting that folate is lost during the different processing steps...
November 22, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29178637/allelic-spectrum-of-formiminotransferase-cyclodeaminase-gene-variants-in-individuals-with-formiminoglutamic-aciduria
#18
Ramanath Majumdar, Andrew Yori, Peggy W Rush, Kimiyo Raymond, Dimitar Gavrilov, Silvia Tortorelli, Dietrich Matern, Piero Rinaldo, Gerald L Feldman, Devin Oglesbee
BACKGROUND: Elevated plasma and urine formiminoglutamic acid (FIGLU) levels are commonly indicative of formiminoglutamic aciduria (OMIM #229100), a poorly understood autosomal recessive disorder of histidine and folate metabolism, resulting from formiminotransferase-cyclodeaminase (FTCD) deficiency, a bifunctional enzyme encoded by FTCD. METHODS: In order to further understanding about the molecular alterations that contribute to FIGLU-uria, we sequenced FTCD in 20 individuals with putative FTCD deficiency and varying laboratory findings, including increased FIGLU excretion...
November 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/29176804/one-crisis-diverse-impacts-tissue-specificity-of-folate-deficiency-induced-circulation-defects-in-zebrafish-larvae
#19
Hung-Chi Tu, Gang-Hui Lee, Tsun-Hsien Hsiao, Tseng-Ting Kao, Tzu-Ya Wang, Jen-Ning Tsai, Tzu-Fun Fu
Folate (vitamin B9) is an essential nutrient required for cell survival, proliferation, differentiation and therefore embryogenesis. Folate deficiency has been associated with many diseases, including congenital heart diseases and megaloblastic anemia, yet the mechanisms underlying these remains elusive. Here, we examine the impact of folate deficiency on the development of the circulation system using a zebrafish transgenic line which displays inducible folate deficiency. Impaired hematopoiesis includes decreased hemoglobin levels, decreased erythrocyte number, increased erythrocyte size and aberrant c-myb expression pattern were observed in folate deficient embryos...
2017: PloS One
https://www.readbyqxmd.com/read/29173446/serum-folate-concentrations-asthma-atopy-and-asthma-control-in-peruvian-children
#20
Andrew Nicholson, Suzanne L Pollard, John J Lima, Karina M Romero, Carla Tarazona-Meza, Gary Malpartida-Guzmán, Edward Mougey, Nadia N Hansel, William Checkley
BACKGROUND: The relationship between folate status and asthma-related outcomes has not been carefully examined in low- and middle-income countries where folate deficiency is common. METHODS: Ancillary analysis of an unmatched case-control study in which we analyzed serum folate concentrations in 412 children with asthma and 342 controls living in peri-urban communities in Lima, Peru. We examined baseline associations between folate and asthma, atopy, total serum IgE, pulmonary function, and fractional exhaled nitric oxide...
December 2017: Respiratory Medicine
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