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b12 and energy

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https://www.readbyqxmd.com/read/28780092/whole-body-propionate-and-glucose-metabolism-of-multiparous-dairy-cows-receiving-folic-acid-and-vitamin-b12-supplements
#1
M Duplessis, H Lapierre, B Ouattara, N Bissonnette, D Pellerin, J-P Laforest, C L Girard
This study was undertaken to evaluate the effect of supplementation of folic acid and vitamin B12 on glucose and propionate metabolism. Twenty-four multiparous cows were assigned according to a complete block design in a 2 × 2 factorial arrangement to one of the following treatments: (1) saline 0.9% NaCl, (2) 320 mg of folic acid, (3) 10 mg of vitamin B12, or (4) 320 mg of folic acid and 10 mg of vitamin B12. Intramuscular injections were given weekly from 3 wk before the expected calving date until 9 wk postpartum...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28754003/estimated-nutritive-value-of-low-price-model-lunch-sets-provided-to-garment-workers-in-cambodia
#2
Jan Makurat, Aarati Pillai, Frank T Wieringa, Chhoun Chamnan, Michael B Krawinkel
BACKGROUND: The establishment of staff canteens is expected to improve the nutritional situation of Cambodian garment workers. The objective of this study is to assess the nutritive value of low-price model lunch sets provided at a garment factory in Phnom Penh, Cambodia. METHODS: Exemplary lunch sets were served to female workers through a temporary canteen at a garment factory in Phnom Penh. Dish samples were collected repeatedly to examine mean serving sizes of individual ingredients...
July 21, 2017: Nutrients
https://www.readbyqxmd.com/read/28718824/associations-between-red-meat-intakes-and-the-micronutrient-intake-and-status-of-uk-females-a-secondary-analysis-of-the-uk-national-diet-and-nutrition-survey
#3
Emma Derbyshire
Blanket health messages to lower red meat intakes are being communicated at present. These could have adverse implications on the micronutrient quality of women's diets. The current paper evaluates the nutritional impact of lower red meat intakes on British women's micronutrient intakes and status. A secondary analysis of the UK National Diet and Nutrition Survey was undertaken using data from years 2008/2009 to 2011/2012. This was comprised of dietary and blood analyte data from 1384 and 641 females aged 11 to 64 years...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28710276/atp-binding-and-hydrolysis-disrupts-the-high-affinity-interaction-between-the-heme-abc-transporter-hmuuv-and-its-cognate-substrate-binding-protein
#4
Hiba Qasem Abdullah, Michal Perach, Nurit Livnat-Levanon, Oded Lewinson
Using the energy of ATP hydrolysis ABC transporters catalyze the trans-membrane transport of molecules. In bacteria they partner with a high affinity substrate binding protein (SBP) to import essential micronutrients. ATP binding by Type-I ABC transporters (importers of amino acids, sugars, peptides, small ions) stabilizes the interaction between the transporter and the SBP, thus allowing transfer of the substrate from the latter to the former. In Type-II ABC transporters (importers of trace elements, e.g., vitamin B12, heme, iron-siderophores) the role of ATP remains debatable...
July 14, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28708118/low-energy-turnover-of-physically-inactive-participants-as-a-determinant-of-insufficient-mineral-and-vitamin-intake-in-nhanes
#5
Juliane Heydenreich, Katarina Melzer, Céline Flury, Bengt Kayser
Micronutrient requirements do not scale linearly with physical activity-related energy expenditure (AEE). Inactive persons may have insufficient micronutrient intake because of low energy intake (EI). We extracted data from NHANES 2003-2006 on 4015 adults (53 ± 18 years (mean ± SD), 29 ± 6 kg/m², 48% women) with valid physical activity (accelerometry) and food intake (2 × 24 h-dietary recall) measures. Total energy expenditure (TEE) was estimated by summing the basal metabolic rate (BMR, Harris-Benedict), AEE, and 10% of TEE for the thermic effect of food, to calculate the physical activity levels (PAL = TEE/BMR)...
July 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28671236/vitamin-b-supplementation-what-s-the-right-choice-for-your-patients
#6
Laura G Leahy
As many patients turn to vitamins and supplements to enhance energy, relieve fatigue, or generally feel better, it is important to understand the connection between the B vitamins and psychiatric symptomatology. Vitamins B6, B8, and B12 have been shown not only to reduce psychiatric symptoms but also shorten the duration of illness. Vitamin B9, also known as folate or folic acid, has also been associated with psychiatric symptoms. However, when patients lack a specific genetic enzyme, which converts folate/folic acid to its most usable form, L-methylfolate, the neuroprotective and neuropsychiatric benefits are lost...
July 1, 2017: Journal of Psychosocial Nursing and Mental Health Services
https://www.readbyqxmd.com/read/28627191/-associations-between-insulin-resistance-and-three-b-vitamins-in-european-adolescents-the-helena-study
#7
Iris Iglesia, Marcela González-Gross, Inge Huybrechts, Pilar De Miguel-Etayo, Denes Molnar, Yannis Manios, Kurt Widhalm, Frédéric Gottrand, Anthony Kafatos, Asensión Marcos, Alejandro De la O Puerta, Catherine Leclercq, Stefaan De Henauw, Peter Stehle, Mathilde Kersting, Theodora Mouratidou, Luis Alberto Moreno
OBJECTIVE: To assess whether adolescents with high body mass index (BMI), or fat mass index (FMI), in combination with insulin resistance (assessed with the Homeostatic Model Assessment [HOMA] index), had also lower blood vitamin B6, folate and vitamin B12 concentrations. METHODS AND MATERIALS: Six hundred and fifteen adolescents from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study, with data on B-vitamins (both intakes and status), and BMI, FMI, HOMA, were selected...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28606572/effect-of-dietary-fatty-acid-and-micronutrient-intake-energy-ratio-on-serum-diamine-oxidase-activity-in-healthy-women
#8
Makoto Miyoshi, Manami Ueno, Mari Matsuo, Yasuhiro Hamada, Michiko Takahashi, Masashi Yamamoto, Ikuko Yamamoto, Reiko Mikajiri, Satoko Tabuchi, Kumiko Wakida, Misa Yamanishi, Midori Hirai, Makoto Usami
OBJECTIVE: Serum diamine oxidase (DAO) activity varies to a greater extent in women than in men. DAO activity during the luteal phase was higher than that during the follicular phase in healthy women. Recent reports have indicated that duodenal lipid infusion increased DAO activity in the intestinal lymph in rats. The aim of this study was to elucidate the effect of dietary nutrient intake on serum DAO activity in healthy women. METHODS: Thirty-four healthy Japanese women were recruited...
July 2017: Nutrition
https://www.readbyqxmd.com/read/28598359/vitamin-b12-and-semen-quality
#9
REVIEW
Saleem Ali Banihani
Various studies have revealed the effects of vitamin B12, also named cobalamin, on semen quality and sperm physiology; however, these studies collectively are still unsummarized. Here, we systematically discuss and summarize the currently understood role of vitamin B12 on semen quality and sperm physiology. We searched the Web of Science, PubMed, and Scopus databases for only English language articles or abstracts from September 1961 to March 2017 (inclusive) using the key words "vitamin B12" and "cobalamin" versus "sperm"...
June 9, 2017: Biomolecules
https://www.readbyqxmd.com/read/28582843/acute-lymphoblastic-leukemia-and-genetic-variations-in-bhmt-gene-case-control-study-and-computational-characterization
#10
Ravishankara Bellampalli, Manik Vohra, Kashish Sharma, Nalini Bhaskaranand, Kamalakshi G Bhat, Krishna Prasad, Anu R Sharma, Kapaettu Satyamoorthy, Padmalatha S Rai
BACKGROUND: Remethylation of homocysteine is catalyzed by B12 dependent methionine synthase (MTR) in all types of cells and by B12 non-dependent betaine homocysteine methyltransferase (BHMT) in liver and kidney cells. Of many etiologies of cancer, an unexplored area is the variations of genes implicated in methylation reaction. OBJECTIVE: The study evaluated the association of BHMT (rs3733890) with acute lymphoblastic leukemia (ALL), followed by in-silico characterization of variations in BHMT gene...
July 4, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28560843/superelectrophilic-behavior-of-an-anion-demonstrated-by-the-spontaneous-binding-of-noble-gases-to-b12-cl11
#11
Markus Rohdenburg, Martin Mayer, Max Grellmann, Carsten Jenne, Tobias Borrmann, Florian Kleemiss, Vladimir A Azov, Knut R Asmis, Simon Grabowsky, Jonas Warneke
It is common and chemically intuitive to assign cations electrophilic and anions nucleophilic reactivity, respectively. Herein, we demonstrate a striking violation of this concept: The anion [B12 Cl11 ](-) spontaneously binds to the noble gases (Ngs) xenon and krypton at room temperature in a reaction that is typical of "superelectrophilic" dications. [B12 Cl11 Ng](-) adducts, with Ng binding energies of 80 to 100 kJ mol(-1) , contain B-Ng bonds with a substantial degree of covalent interaction. The electrophilic nature of the [B12 Cl11 ](-) anion is confirmed spectroscopically by the observation of a blue shift of the CO stretching mode in the IR spectrum of [B12 Cl11 CO](-) and theoretically by investigation of its electronic structure...
June 26, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28557140/diet-quality-of-children-post-liver-transplantation-does-not-differ-from-healthy-children
#12
Abeer S Alzaben, Krista MacDonald, Cheri Robert, Andrea Haqq, Susan M Gilmour, Jason Yap, Diana R Mager
Little has been studied regarding the diets of children following LTX. The study aim was to assess and compare dietary intake and DQ of healthy children and children post-LTX. Children and adolescents (2-18 years) post-LTX (n=27) and healthy children (n=28) were studied. Anthropometric and demographic data and two 24-hour recalls (one weekend; one weekday) were collected. Intake of added sugar, HFCS, fructose, GI, and GL was calculated. DQ was measured using three validated DQ indices: the HEI-C, the DGI-CA, and the DQI-I...
May 29, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28554335/processed-and-ultra-processed-foods-are-associated-with-lower-quality-nutrient-profiles-in-children-from-colombia
#13
Brittany Cornwell, Eduardo Villamor, Mercedes Mora-Plazas, Constanza Marin, Carlos A Monteiro, Ana Baylin
OBJECTIVE: To determine if processed and ultra-processed foods consumed by children in Colombia are associated with lower-quality nutrition profiles than less processed foods. DESIGN: We obtained information on sociodemographic and anthropometric variables and dietary information through dietary records and 24 h recalls from a convenience sample of the Bogotá School Children Cohort. Foods were classified into three categories: (i) unprocessed and minimally processed foods, (ii) processed culinary ingredients and (iii) processed and ultra-processed foods...
May 30, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28549591/single-allele-lmbrd1-knockout-results-in-cardiac-hypertrophy
#14
Linda Tzu-Ling Tseng, Chieh-Liang Lin, Kuei-Hsiang Pan, Kai-Yuan Tzen, Ming-Jai Su, Chia-Ti Tsai, Yi-Han Li, Pai-Chi Li, Fu-Tien Chiang, Shin C Chang, Ming-Fu Chang
BACKGROUND/PURPOSE: LMBD1 protein, a type IV-B plasma membrane protein possessing nine putative trans-membrane domains, was previously demonstrated at cellular level to play a critical part in the signaling cascade of insulin receptor through its involvement in regulating clathrin-mediated endocytosis. However, at physiological level, the significance of LMBD1 protein in cardiac development remains unclear. METHODS: To understand the role of Lmbrd1 gene involved in the cardiac function, heterozygous knockout mice were used as an animal model system...
May 23, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28548844/two-dynamical-regimes-of-the-substrate-radical-rearrangement-reaction-in-b12-dependent-ethanolamine-ammonia-lyase-resolve-contributions-of-native-protein-configurations-and-collective-configurational-fluctuations-to-catalysis
#15
Meghan Kohne, Chen Zhu, Kurt Warncke
The kinetics of the substrate radical rearrangement reaction step in B12-dependent ethanolamine ammonia-lyase (EAL) from Salmonella typhimurium are measured over a 92 K temperature range. The observed first-order rate constants display a piecewise-continuous Arrhenius dependence, with linear regions over 295 → 220 K (monoexponential) and 214 → 203 K (biexponential) that are delineated by a kinetic bifurcation and kinks at 219 and 217 K, respectively. The results are interpreted by using a free energy landscape model and derived microscopic kinetic mechanism...
June 27, 2017: Biochemistry
https://www.readbyqxmd.com/read/28531791/an-innovative-brioche-enriched-in-protein-and-energy-improves-the-nutritional-status-of-malnourished-nursing-home-residents-compared-to-oral-nutritional-supplement-and-usual-breakfast-farine-project
#16
Virginie Van Wymelbeke, Laurent Brondel, Francis Bon, Isabelle Martin-Pfitzenmeyer, Patrick Manckoundia
BACKGROUND & AIMS: To compare the effects of a 12-week nutritional intervention, in which an innovative protein-and-energy-enriched brioche, an oral nutritional supplement or a usual breakfast were eaten, on food intake and nutritional status in nursing home residents. DESIGN: Three-armed, multicentre, controlled trial. SETTING: Eight nursing homes in Burgundy, France. PARTICIPANTS: Sixty-eight malnourished participants aged between 70 and 99 years old...
October 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28528252/investigation-of-the-binding-affinity-in-vitamin-b12-bovine-serum-albumin-system-using-various-spectroscopic-methods
#17
Magdalena Makarska-Bialokoz
The binding affinity between vitamin B12 (VitB12) and bovine serum albumin (BSA) has been investigated in aqueous solution at pH=7.4, employing UV-vis absorption and steady-state, synchronous and three-dimensional fluorescence spectra techniques. Representative effects noted for BSA intrinsic fluorescence resulting from the interactions with VitB12 confirm the formation of π-π stacked non-covalent and non-fluorescent complexes in the system VitB12-BSA. All the determined parameters, the binding, fluorescence quenching and bimolecular quenching rate constants (of the order of 10(4)Lmol(-1), 10(3)Lmol(-1) and 10(11)Lmol(-1)s(-1), respectively), as well as Förster resonance energy transfer parameters validate the mechanism of static quenching...
May 11, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28526387/adequacy-of-nutrient-intake-in-women-with-restrictive-anorexia-nervosa
#18
Chiara Chiurazzi, Iolanda Cioffi, Carmela De Caprio, Emilia De Filippo, Maurizio Marra, Rosa Sammarco, Maria Luisa Di Guglielmo, Franco Contaldo, Fabrizio Pasanisi
OBJECTIVE: The aim of the present study was to assess energy and nutrient intake in a group of women with restrictive AN (r-AN) compared with a control group. METHODS: Thirteen r-AN patients and 13 healthy female controls completed 7-d food records. Intake of macro- and micronutrients was compared between the two groups as well as to the Dietary Reference Intake for the Italian Population (LARN) for specific ages. Additionally, the r-AN patients underwent indirect calorimetry for measuring resting energy expenditure (REE)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28486774/dietary-intake-of-selected-nutrients-and-persistence-of-hpv-infection-in-men
#19
Raíssa do Vale C Lopes, Juliana A Teixeira, Dirce Marchioni, Luisa L Villa, Anna R Giuliano, Maria Luiza Baggio, Regina M Fisberg
Human papillomavirus (HPV) infection is a common sexually transmitted disease. Although often transitory, persistent oncogenic HPV infection may progress to a precursor lesion and, if not treated, can further increase the risk of cancer. The purpose of this study was to investigate the relation between dietary intake and HPV persistent infection in men of a Brazilian cohort. The study population consisted of 1,248 men from the Brazilian cohort of the HIM (HPV in Men) Study, ages 18 to 70 years, who completed a quantitative food frequency questionnaire...
May 9, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28467392/development-of-a-healthy-dietary-habits-index-for-new-zealand-adults
#20
Jyh Eiin Wong, Jillian J Haszard, Anna S Howe, Winsome R Parnell, Paula M L Skidmore
Healthful dietary habits are individually associated with better nutrient intake and positive health outcomes; however, this information is rarely examined together to validate an indicator of diet quality. This study developed a 15-item Healthy Dietary Habits Index (HDHI) based on self-reported dietary habits information collected in the 2008/09 New Zealand Adult Nutrition Survey. The validity of HDHI as a diet quality index was examined in relation to sociodemographic factors, 24-diet recall derived nutrient intakes, and nutritional biomarkers in a representative sample of adults aged 19 years and above...
May 3, 2017: Nutrients
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