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folate deficiency

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https://www.readbyqxmd.com/read/28329726/folate-biofortification-in-food-crops
#1
REVIEW
Simon Strobbe, Dominique Van Der Straeten
Folates are essential vitamins in the human diet. Folate deficiency is still very common, provoking disorders such as birth defects and anemia. Biofortification via metabolic engineering is a proven powerful means to alleviate folate malnutrition. A variety of metabolic engineering approaches have been successfully implemented in different crops and tissues. Furthermore, ensuring folate stability is crucial for long-term storage of crop products. However, the current strategies, shown to be successful in rice and tomato, will need to be fine-tuned to enable adequate biofortification of other staples such as potato, wheat and cassava...
March 19, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28325140/vitamins-in-heart-failure-friend-or-enemy
#2
George Georgiopoulos, Christina Chrysohoou, Georgia Vogiatzi, Nikolaos Magkas, Ippokratis Bournelis, Sofia Bampali, Damien Gruson, Dimitris Tousoulis
BACKGROUND: The failing heart is characterized by a depleted metabolic energy reserve and the up-regulation of several molecular mechanisms leading to cardiac hypertrophy, inflammation, fibrosis, angiogenesis, and apoptosis. Dietary or non-dietary supplementation of vitamins could potentially benefit energy balance. OBJECTIVE: The objective of the present study was to evaluate all available information on vitamins supplementation in patients with chronic HF for possible beneficial effect on metabolic, inotropic, chronotropic and hemodynamic indices...
March 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28303703/assessment-of-dietary-choices-of-young-women-in-the-contexts-of-hormonal-contraceptives
#3
Mariola Friedrich, Magdalena Junak
Background: Metabolic changes caused by hormonal contraception combined with unbalanced diet may pose many threats, and deficiency or excess of nutrients may increase the risk of using such contraceptives. Objective: The purpose of the survey was to assess the dietary choices of young women using hormonal contraceptives, taking into account their general knowledge about the contraception and its impact on their bodies. Material and methods: The survey comprised 67 women aged from 18 to 25 years...
2017: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/28302752/lower-circulating-folate-induced-by-a-fidgetin-intronic-variant-is-associated-with-reduced-congenital-heart-disease-susceptibility
#4
Dan Wang, Feng Wang, Kai-Hu Shi, Hui Tao, Yang Li, Rui Zhao, Han Lu, Wenyuan Duan, Bin Qiao, Shi-Min Zhao, Hongyan Wang, Jian-Yuan Zhao
Background -Folate deficiency is an independent risk factor for congenital heart disease (CHD); however, the maternal plasma folate level is paradoxically not a good diagnostic marker. Genome-wide surveys have identified variants of non-folate metabolic genes associated with the plasma folate level, suggesting that these genetic polymorphisms are potential risk factors for CHD. Methods -To examine the effects of folate concentration-related variations on CHD risk in the Han Chinese population, we performed three independent case-control studies including a total of 1,489 CHD patients and 1,745 controls...
March 16, 2017: Circulation
https://www.readbyqxmd.com/read/28299612/dietary-self-management-in-heart-failure-high-tech-or-high-touch
#5
REVIEW
Eloisa Colin-Ramirez, JoAnne Arcand, Justin A Ezekowitz
Dietary management of heart failure (HF) has largely been focused on sodium and fluid restrictions. Although safety and efficacy of these interventions in HF remain unclear, a daily sodium intake between 2000 and 3000 mg/day appears to be safe in these patients. Ongoing clinical research will inform on the safety and efficacy of a more restrictive sodium intake to less than 1500 mg/day. Data shows that routine fluid restriction in HF regardless of symptoms may be unnecessary; however, in patients with signs of congestion, fluid restriction to 2...
March 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28298841/etiological-profile-of-noncompressive-myelopathies-in-a-tertiary-care-hospital-of-northeast-india
#6
Ashok Kumar Kayal, Munindra Goswami, Marami Das, Lakhshya Jyoti Basumatary, Suvorit Subhas Bhowmick, Baiakmenlang Synmon
BACKGROUND: The discovery of antibodies against aquaporin-4 and evolving concepts of noncompressive myelopathies in the 21(st) century have made a major impact on the etiological profile of these diseases, with few cases turning out to be idiopathic. OBJECTIVE: To find causes of noncompressive myelopathy in a tertiary care hospital of Northeast India. MATERIALS AND METHODS: An observational study was carried out in the Neurology Department of Gauhati Medical College, Guwahati, from September 2013 to February 2016...
January 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28294987/sensory-neuronopathy-revealing-severe-vitamin-b12-deficiency-in-a-patient-with-anorexia-nervosa-an-often-forgotten-reversible-cause
#7
Jérôme Franques, Laurent Chiche, Stéphane Mathis
Vitamin B12 (B12) deficiency is known to be associated with various neurological manifestations. Although central manifestations such as dementia or subacute combined degeneration are the most classic, neurological manifestations also include sensory neuropathies. However, B12 deficiency is still rarely integrated as a potential cause of sensory neuronopathy. Moreover, as many medical conditions can falsely normalize serum B12 levels even in the context of a real B12 deficiency, some cases may easily remain underdiagnosed...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28284395/treatable-inborn-errors-of-metabolism-due-to-membrane-vitamin-transporters-deficiency
#8
Juan Darío Ortigoza Escobar, Belén Pérez Dueñas
B vitamins act as cofactors for strategic metabolic processes. The SLC19 gene family of solute carriers has a significant structural similarity, transporting substrates with different structure and ionic charge. Three proteins of this family are expressed ubiquitously and mediate the transport of 2 important water-soluble vitamins, folate, and thiamine. SLC19A1 transports folate and SLC19A2 and SLC19A3 transport thiamine. PCFT and FOLR1 ensure intestinal absorption and transport of folate through the blood-brain barrier and SLC19A25 transports thiamine into the mitochondria...
November 2016: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28284389/biochemical-analyses-of-cerebrospinal-fluid-for-the-diagnosis-of-neurometabolic-conditions-what-can-we-expect
#9
Marta Batllori, Marta Molero-Luis, Mercedes Casado, Cristina Sierra, Rafael Artuch, Aida Ormazabal
In this article, we review the state-of-the-art analysis of different biomarkers in the cerebrospinal fluid for the diagnosis of genetically conditioned, rare, neurometabolic diseases, including glucose transport defects, neurotransmitter (dopamine, serotonin, and gamma-aminobutyric acid) and pterin deficiencies, and vitamin defects (folate, vitamin B6, and thiamine) that affect the brain. The analysis of several key metabolites are detailed, which thus highlights the preanalytical and analytical factors that should be cautiously controlled to avoid misdiagnosis; moreover, these factors may facilitate an adequate interpretation of the biochemical profiles in the context of severe neuropediatric disorders...
November 2016: Seminars in Pediatric Neurology
https://www.readbyqxmd.com/read/28273802/the%C3%A2-prevalence%C3%A2-of%C3%A2-micronutrient%C3%A2-deficiencies%C3%A2-and%C3%A2-inadequacies%C3%A2-in%C3%A2-the%C3%A2-middle%C3%A2-east%C3%A2-and%C3%A2-approaches%C3%A2-to%C3%A2-interventions
#10
REVIEW
Nahla Hwalla, Ayesha Salem Al Dhaheri, Hadia Radwan, Hanan Abdullah Alfawaz, Mona A Fouda, Nasser Mohammed Al-Daghri, Sahar Zaghloul, Jeffrey B Blumberg
Micronutrient deficiencies and inadequacies constitute a global health issue, particularly among countries in the Middle East. The objective of this review is to identify micronutrient deficits in the Middle East and to consider current and new approaches to address this problem. Based on the availability of more recent data, this review is primarily focused on countries that are in advanced nutrition transition. Prominent deficits in folate, iron, and vitamin D are noted among children/adolescents, women of childbearing age, pregnant women, and the elderly...
March 3, 2017: Nutrients
https://www.readbyqxmd.com/read/28271696/folate-deficiency-and-gene-polymorphisms-of-mthfr-mtr-and-mtrr-elevate-the-hyperhomocysteinemia-risk
#11
Wen-Xing Li, Fei Cheng, A-Jie Zhang, Shao-Xing Dai, Gong-Hua Li, Wen-Wen Lv, Tao Zhou, Qiang Zhang, Hong Zhang, Tao Zhang, Fang Liu, Dahai Liu, Jing-Fei Huang
BACKGROUND: Hyperhomocysteinemia (HHcy) is an independent risk factor for cardiovascular diseases (CVDs). We aimed to investigate the joint effect of homocysteine metabolism gene polymorphisms, as well as the folate deficiency on the risk of HHcy in a Chinese hypertensive population. METHODS: This study enrolled 480 hypertensive patients aged 28 - 75 from six hospitals in different Chinese regions from 9/2005 - 12/2005. Known genotypes of methylenetetrahydrofolate reductase (MTHFR) C677T and A1298C, methionine synthase (MTR) A2756G, and methionine synthase reductase (MTRR) A66G were detected by PCRRFLP methods...
March 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28255006/folate-receptor-alpha-is-necessary-for-neural-plate-cell-apical-constriction-during-xenopus-neural-tube-formation
#12
Olga A Balashova, Olesya Visina, Laura N Borodinsky
Folate supplementation prevents up to 70% of neural tube defects (NTDs), which result from a failure of neural tube closure during embryogenesis. The elucidation of the mechanisms underlying folate action has been challenging. This study introduces Xenopus laevis as a model to determine the cellular and molecular mechanisms involved in folate action during neural tube formation. We show that knockdown of folate receptor-α (FRα) impairs neural tube formation and leads to NTDs. FRα knockdown in neural plate cells only is necessary and sufficient to induce NTDs...
March 2, 2017: Development
https://www.readbyqxmd.com/read/28251343/methyl-donor-depletion-of-head-and-neck-cancer-cells-in-vitro-establishes-a-less-aggressive-tumour-cell-phenotype
#13
Vanessa Hearnden, Hilary J Powers, Abeir Elmogassabi, Rosanna Lowe, Craig Murdoch
PURPOSE: DNA methylation plays a fundamental role in the epigenetic control of carcinogenesis and is, in part, influenced by the availability of methyl donors obtained from the diet. In this study, we developed an in-vitro model to investigate whether methyl donor depletion affects the phenotype and gene expression in head and neck squamous cell carcinoma (HNSCC) cells. METHODS: HNSCC cell lines (UD-SCC2 and UPCI-SCC72) were cultured in medium deficient in methionine, folate, and choline or methyl donor complete medium...
March 1, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28250422/components-of-the-folate-metabolic-pathway-and-adhd-core-traits-an-exploration-in-eastern-indian-probands
#14
Tanusree Saha, Mahasweta Chatterjee, Swagata Sinha, Usha Rajamma, Kanchan Mukhopadhyay
We investigated role of the folate-homocysteine metabolic pathway in the etiology of attention-deficit hyperactivity disorder (ADHD) due to its importance in maintaining DNA integrity as well as neurotransmission. Functional gene variants in MTR (rs1805087), CBS (rs5742905), MTHFR (rs1801133 & rs1801131), MTHFD (rs2236225), RFC1 (rs1051266), plasma vitamin B12, folate and homocysteine were analyzed. rs1805087 'A' showed strong association with ADHD. Vitamin B12 deficiency of ADHD probands (P=0.01) correlated with rs1801133 'T' and rs1805087'GG'...
March 2, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28250194/evidence-favoring-a-positive-feedback-loop-for-physiologic-auto-upregulation-of-hnrnp-e1-during-prolonged-folate-deficiency-in-human-placental-cells
#15
Ying-Sheng Tang, Rehana A Khan, Suhong Xiao, Deborah K Hansen, Sally P Stabler, Praveen Kusumanchi, Hiremagalur N Jayaram, Aśok C Antony
Background: Previously, we determined that heterogeneous nuclear ribonucleoprotein E1 (hnRNP-E1) functions as an intracellular physiologic sensor of folate deficiency. In this model, l-homocysteine, which accumulates intracellularly in proportion to the extent of folate deficiency, covalently binds to and thereby activates homocysteinylated hnRNP-E1 to interact with folate receptor-α mRNA; this high-affinity interaction triggers the translational upregulation of cell surface folate receptors, which enables cells to optimize folate uptake from the external milieu...
March 1, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28250193/that-which-is-bad-can-trigger-good-in-the-human-body-homocysteine-bound-hnrnp-e1-as-a-molecular-sensor-of-physiologic-folate-deficiency
#16
Chandra Shekhar K Mayanil
No abstract text is available yet for this article.
March 1, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28241813/anaemia-in-hospitalised-preschool-children-from-a-rural-area-in-mozambique-a-case-control-study-in-search-for-aetiological-agents
#17
Cinta Moraleda, Ruth Aguilar, Llorenç Quintó, Tacilta Nhampossa, Montserrat Renom, Augusto Nhabomba, Sozinho Acácio, John J Aponte, Delino Nhalungo, Ariel H Achtman, Louis Schofield, Helder Martins, Eusebio Macete, Pedro L Alonso, Clara Menéndez
BACKGROUND: Young children bear the world's highest prevalence of anaemia, the majority of which is of multifactorial aetiology, which in turn hampers its successful prevention. Even moderate degrees of anaemia are associated with increased mortality and morbidity. Despite this evidence, there is a lack of effective preventive programs and absence of consensus in the safety of iron supplementation in malaria areas, which reflects the poor understanding of the contribution of different aetiologies to anaemia...
February 28, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28239320/status-of-serum-vitamin-b12-and-folate-in-patients-with-inflammatory-bowel-disease-in-china
#18
Shaozhong Huang, Jiayi Ma, Mingming Zhu, Zhihua Ran
BACKGROUND/AIMS: Inflammatory bowel disease (IBD) primarily involves the intestinal tract and can affect vitamin absorption. This study was designed to assess the prevalence of vitamin B12 and folate deficiencies in patients with IBD, and to identify the risk factors associated with abnormal serum vitamin B12 and folate levels. METHODS: We evaluated the medical records of 195 patients with Crohn's disease (CD) and 62 patients with ulcerative colitis (UC), and selected 118 healthy subjects for the control group...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28238467/micronutrient-intake-adequacy-in-children-from-birth-to-8-years-data-from-the-childhood-obesity-project
#19
Marta Zaragoza-Jordana, Ricardo Closa-Monasterolo, Veronica Luque, Natàlia Ferré, Veit Grote, Berthold Koletzko, Ingrid Pawellek, Elvira Verduci, Alice ReDionigi, Jerzy Socha, Anna Stolarczyk, Pascale Poncelet, Déborah Rousseaux, Joaquin Escribano
BACKGROUND: In European countries, suboptimal intake has been reported for several micronutrients (as calcium, iron, zinc, vitamin B12, D and folate) in both adulthood and childhood. No studies to date have prospectively compiled nutrient intake from healthy children in different European countries using the same methodology. AIM: To describe the adequacy of micronutrient intake during the first eight years of life in children from 5 European countries. METHODS: Prospective observational trial analyzing data from the EU Childhood Obesity Project...
February 9, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28230279/folate-protects-hepatocytes-of-hyperhomocysteinemia-mice-from-apoptosis-via-cystic-fibrosis-transmembrane-conductance-regulator-cftr-activated-endoplasmic-reticulum-stress
#20
Anning Yang, Yue Sun, Caiyan Mao, Songhao Yang, Min Huang, Mei Deng, Ning Ding, Xiaoling Yang, Minghao Zhang, Shaoju Jin, Yideng Jiang, Ying Huang
Folate deficiency is a known risk factor for liver injury; however, the underlying mechanism remains unclear. In this study, we employed a high homocysteine-induced liver injury model of Apolipoprotein E-deficient (ApoE(-/-) ) mice fed high-methionine diet and found that high homocysteine induced endoplasmic reticulum (ER) stress and liver cell apoptosis by downregulation of cystic fibrosis transmembrane conductance regulator (CFTR) expression; observations that were attenuated with supplementation of dietary folate...
February 23, 2017: Journal of Cellular Biochemistry
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