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Thiamine

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https://www.readbyqxmd.com/read/28230731/certain-grain-foods-can-be-meaningful-contributors-to-nutrient-density-in-the-diets-of-u-s-children-and-adolescents-data-from-the-national-health-and-nutrition-examination-survey-2009-2012
#1
Yanni Papanikolaou, Victor L Fulgoni
Grain foods may play an important role in delivering nutrients to the diet of children and adolescents. The present study determined grain food sources of energy/nutrients in U.S. children and adolescents using data from the National Health and Nutrition Examination Survey, 2009-2012. Analyses of grain food sources were conducted using a 24-h recall in participants 2-18 years old (N = 6109). Sources of nutrients contained in grain foods were determined using U.S. Department of Agriculture nutrient composition databases and excluded mixed dishes...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28228301/shoshin-beriberi-thiamine-responsive-pulmonary-hypertension-in-exclusively-breastfed-infants-a-study-from-northern-india
#2
Javeed Iqbal Bhat, Hilal Ahmad Rather, Ambreen Ali Ahangar, Umar Amin Qureshi, Parvez Dar, Qazi Iqbal Ahmed, Bashir Ahmed Charoo, Syed Wajid Ali
OBJECTIVE: To study the effect of thiamine administration on the resolution of pulmonary hypertension in exclusively breastfed infants. DESIGN: Prospective cohort study. SETTING: Hospital based study of a tertiary care hospital. PATIENTS: A total of 29 infants with 17 males (58.6%) and 12 females (41.4%) were included in the study. INTERVENTION: In addition to the management of shock, right heart failure and renal failure, patients received intravenous thiamine 100mg/kg IV followed by 10mg/day till introduction of supplementary feeds...
January 2017: Indian Heart Journal
https://www.readbyqxmd.com/read/28225048/thiamine-deficiency-oxidative-metabolic-pathways-and-ethanol-induced-neurotoxicity-how-poor-nutrition-contributes-to-the-alcoholic-syndrome-as-marchiafava-bignami-disease
#3
REVIEW
L M P Fernandes, F R Bezerra, M C Monteiro, M L Silva, F R de Oliveira, R R Lima, E A Fontes-Júnior, C S F Maia
Ethanol is an important risk factor for the occurrence of several brain disorders that depend on the amount, period and frequency of its consumption. Chronic use of ethanol often leads to the development of neurodegenerative syndromes, which cause morphological and functional impairments such as foetal alcohol syndrome in newborns exposed to ethanol during pregnancy, Wernicke-Korsakoff Syndrome and, more rarely, Marchiafava-Bignami disease (MBD). MBD is characterized by primary degeneration of the corpus callosum, without inflammation and is associated with oxidative stress and hypovitaminosis, as well as altered mental status, to mention dementia, seizures, depression and so on...
February 22, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28224875/-thiamine-in-patients-with-alcohol-use-disorder-and-wernicke-s-encephalopathy
#4
D J Brinkman, J K Bekema, M A Kuijenhoven, J W Wijnia, M J H J Dekker, M A van Agtmael
- Patients with alcohol use disorder frequently have a thiamine deficiency.- A potential life-threatening complication of thiamine deficiency is Wernicke's encephalopathy.- Since it is clinically difficult to recognize Wernicke's encephalopathy, this condition is often treated inadequately. - Early supplementation of thiamine is important to avoid irreversible neurological damage. - There are differences between the Dutch guidelines regarding the supplementation of thiamine for the treatment of alcoholic use disorder, and those for Wernicke's encephalopathy...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28215312/prevalence-of-clinical-thiamine-deficiency-in-individuals-with-medically-complicated-obesity
#5
Anand Nath, Tung Tran, Timothy R Shope, Timothy R Koch
Thiamine is a vitamin whose deficient can result in multiorgan symptoms. We described an 18% prevalence of clinical thiamine deficiency after gastric bypass surgery. Our hypotheses are that individuals with medically complicated obesity frequently have clinical thiamine deficiency and that diabetes mellitus is a mechanism for development of clinical thiamine deficiency. This is a single institution, retrospective observational study of consecutive patients with a body mass index of at least 35 kg/m(2) who were evaluated in preoperative gastrointestinal bariatric clinic from 2013 to 2015...
January 2017: Nutrition Research
https://www.readbyqxmd.com/read/28214879/thiamine-deprivation-produces-a-liver-atp-deficit-and-metabolic-and-genomic-effects-in-mice-findings-are-parallel-to-those-of-biotin-deficiency-and-have-implications-for-energy-disorders
#6
Alain de J Hernandez-Vazquez, Josue Andres Garcia-Sanchez, Elizabeth Moreno-Arriola, Ana Salvador-Adriano, Daniel Ortega-Cuellar, Antonio Velazquez-Arellano
Thiamine is one of several essential cofactors for ATP generation. Its deficiency, like in beriberi and in the Wernicke-Korsakoff syndrome, has been studied for many decades. However, its mechanism of action is still not completely understood at the cellular and molecular levels. Since it acts as a coenzyme for dehydrogenases of pyruvate, branched-chain keto acids, and ketoglutarate, its nutritional privation is partly a phenocopy of inborn errors of metabolism, among them maple syrup urine disease. In the present paper, we report metabolic and genomic findings in mice deprived of thiamine...
February 18, 2017: Journal of Nutrigenetics and Nutrigenomics
https://www.readbyqxmd.com/read/28212376/the-legionella-pneumophila-genome-evolved-to-accommodate-multiple-regulatory-mechanisms-controlled-by-the-csra-system
#7
Tobias Sahr, Christophe Rusniok, Francis Impens, Giulia Oliva, Odile Sismeiro, Jean-Yves Coppée, Carmen Buchrieser
The carbon storage regulator protein CsrA regulates cellular processes post-transcriptionally by binding to target-RNAs altering translation efficiency and/or their stability. Here we identified and analyzed the direct targets of CsrA in the human pathogen Legionella pneumophila. Genome wide transcriptome, proteome and RNA-Co-immunoprecipitaion followed by deep sequencing of a wild type and a csrA mutant strain identified 479 RNAs with potential CsrA interaction sites located in the untranslated and/or coding regions of mRNAs or of known non-coding sRNAs...
February 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28207287/thiamine-as-a-renal-protective-agent-in-septic-shock-a-secondary-analysis-of-a-randomized-double-blind-placebo-controlled-trial
#8
Ari Moskowitz, Lars W Andersen, Michael N Cocchi, Mathias Karlsson, Parth V Patel, Michael W Donnino
RATIONALE: Acute kidney injury (AKI) is common in patients with sepsis and has been associated with high mortality rates. The provision of thiamine to septic patients may reduce the incidence and severity of sepsis-related AKI and thereby prevent renal failure requiring renal replacement therapy (RRT). OBJECTIVES: To test the hypothesis that thiamine supplementation mitigates kidney injury in septic shock. METHODS: This was a secondary analysis of a single-center, randomized, double-blind trial comparing thiamine to placebo in patients with septic shock...
February 16, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28202871/the-dramatic-recovery-of-a-patient-with-biguanide-associated-severe-lactic-acidosis-following-thiamine-supplementation
#9
Shigeo Godo, Yoshitaro Yoshida, Motoo Fujita, Daisuke Kudo, Ryosuke Nomura, Hiroaki Shimokawa, Shigeki Kushimoto
Biguanides are a drug of choice for the treatment of type 2 diabetes mellitus. Although they can cause lactic acidosis in susceptible patients with predisposing risk factors, the incidence of lactic acidosis is reported to be very low when they are used properly. We herein present a case of biguanide-associated severe lactic acidosis complicated with thiamine deficiency that was provoked without predisposing factors for thiamine deficiency. Diabetic patients taking biguanide may be predisposed to thiamine deficiency, even when there is no evidence of risk factors, and the high-dose administration of thiamine may be essential in the treatment of this otherwise under-recognized disorder...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28202638/vitamin-concentrations-in-human-milk-vary-with-time-within-feed-circadian-rhythm-and-single-dose-supplementation
#10
Daniela Hampel, Setareh Shahab-Ferdows, M Munirul Islam, Janet M Peerson, Lindsay H Allen
Background: Human milk is the subject of many studies, but procedures for representative sample collection have not been established. Our improved methods for milk micronutrient analysis now enable systematic study of factors that affect its concentrations.Objective: We evaluated the effects of sample collection protocols, variations in circadian rhythms, subject variability, and acute maternal micronutrient supplementation on milk vitamin concentrations.Methods: In the BMQ (Breast-Milk-Quality) study, we recruited 18 healthy women (aged 18-26 y) in Dhaka, Bangladesh, at 2-4 mo of lactation for a 3-d supplementation study...
February 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28193519/thiamine-deficiency-induces-endoplasmic-reticulum-stress-and-oxidative-stress-in-human-neurons-derived-from-induced-pluripotent-stem-cells
#11
Xin Wang, Mei Xu, Jacqueline A Frank, Zun-Ji Ke, Jia Luo
Thiamine (vitamin B1) deficiency (TD) plays a major role in the etiology of Wernicke's encephalopathy (WE) which is a severe neurological disorder. TD induces selective neuronal cell death, neuroinflammation, endoplasmic reticulum (ER) stress and oxidative stress in the brain which are commonly observed in many aging-related neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and progressive supranuclear palsy (PSP). However, the underlying cellular and molecular mechanisms remain unclear...
February 11, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28182848/simultaneous-determination-of-8-b-vitamins-in-rat-intestinal-perfusate-to-identify-effects-of-osmotic-pressures-on-absorptions
#12
Xiaobo Wang, Jian Xiao, Hui Zhou, Ying Qiu, Hui Peng, Yangyang Sun, Jiwen Zhang, Wei Qian, Lixin Sun
A rapid and accurate HPLC-DAD method was developed and validated to simultaneously determine eight B-vitamins (VBs, namely thiamine, riboflavin, niacinamide, calcium pantothenic, pyridoxine, biotin, folic acid, and cyanocobalamin) and phenolsulfonphthalein in rat intestinal perfusate. Chromatography separation was achieved using an Inertsil ODS-3 column (250 × 4.6 mm i.d., 5 µm) at the temperature of 40 °C. Gradient elution mode was applied at the flow rate of 1.0 mL/min with the mobile phase of acetonitrile-30 mM K2 HPO4 (pH 5...
February 9, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28182200/chronic-ethanol-consumption-and-thiamine-deficiency-modulate-%C3%AE-amyloid-peptide-level-and-oxidative-stress-in-the-brain
#13
Yu-Shi Gong, Juan Guo, Kun Hu, Yong-Qing Gao, Fang-Li Hou, Feng-Lin Song, Cui-Yi Liang
No abstract text is available yet for this article.
March 9, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28181986/local-administration-of-thiamine-ameliorates-ongoing-pain-in-a-rat-model-of-second-degree-burn
#14
Kangkang Zhang, Yali Pei, Zhihao Gan, Xuetao Zhang, Ye Duan, Yuepeng Liu, Wei Liu
The objective of this study was to develop rat model of second-degree burn pain and test analgesic efficacy of local thiamine administration. Automatic temperature-controlled hot plate was set at 85 ± 0.1°C with a filter paper on the top. Rats were thrust on hot plate landing on plantar surface for 4 to 7 and 10 seconds, respectively. Burnt skin was observed. Hematoxylin and eosin staining and Masson staining were used to monitor burn degree. Gait analysis detected change of locomotion. Allodynia and hyperalgesia in the burnt area were evaluated with von Frey test and Hargreaves Test, and ongoing pain was detected with conditional place preference test...
February 7, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28178302/the-2-0-%C3%A3-x-ray-structure-for-yeast-acetohydroxyacid-synthase-provides-new-insights-into-its-cofactor-and-quaternary-structure-requirements
#15
Thierry Lonhienne, Mario D Garcia, James A Fraser, Craig M Williams, Luke W Guddat
Acetohydroxyacid synthase (AHAS) catalyzes the first step of branched-chain amino acid biosynthesis, a pathway essential to the life-cycle of plants and micro-organisms. The catalytic subunit has thiamin diphosphate (ThDP) and flavin adenine dinucleotide (FAD) as indispensable co-factors. A new, high resolution, 2.0 Å crystal structure of Saccharomyces cerevisiae AHAS reveals that the dimer is asymmetric, with the catalytic centres having distinct structures where FAD is trapped in two different conformations indicative of different redox states...
2017: PloS One
https://www.readbyqxmd.com/read/28161887/evaluation-of-vitamin-and-trace-element-requirements-after-sleeve-gastrectomy-at-long-term
#16
Silvia Pellitero, Eva Martínez, Rocío Puig, Alba Leis, Roxanna Zavala, María Luisa Granada, Cruz Pastor, Pau Moreno, Jordi Tarascó, Manel Puig-Domingo
BACKGROUND: Nutritional deficiencies are common after bariatric surgery, but data are scarce after sleeve gastrectomy (SG) at long term. METHODS: We performed a prospective nutritional status evaluation before and at 2 and 5 years after SG in morbid obese patients receiving mulvitamin and mineral supplementation at a Spanish university hospital. One hundred seventy-six patients (49.3 ± 9.1 years and 46.7 ± 7.4 kg/m(2)) were evaluated; 51 of them were followed during 5 years...
February 4, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28160759/five-herbs-plus-thiamine-reduce-pain-and-improve-functional-mobility-in-patients-with-pain-a-pilot-study
#17
Robert Hedaya
: Context • Five herbs-Urtica dioica (stinging nettle), Boswellia serrata, Equisetum arvense, Allium sativum, and Apium graveolens-have been demonstrated to have activity at several anti-inflammatory pathways and have analgesic properties that are effective in treating chronic musculoskeletal pain. Objectives • The study intended to evaluate the clinical efficacy of a proprietary blend of U dioica, B serrata, E arvense, A sativum, A graveolens, and thiamine (vitamin B1), or "the blend," in the treatment of chronic musculoskeletal pain...
January 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28137884/comprehensive-understanding-of-acetohydroxyacid-synthase-inhibition-by-different-herbicide-families
#18
Mario D Garcia, Amanda Nouwens, Thierry G Lonhienne, Luke W Guddat
Five commercial herbicide families inhibit acetohydroxyacid synthase (AHAS, E.C. 2.2.1.6), which is the first enzyme in the branched-chain amino acid biosynthesis pathway. The popularity of these herbicides is due to their low application rates, high crop vs. weed selectivity, and low toxicity in animals. Here, we have determined the crystal structures of Arabidopsis thaliana AHAS in complex with two members of the pyrimidinyl-benzoate (PYB) and two members of the sulfonylamino-carbonyl-triazolinone (SCT) herbicide families, revealing the structural basis for their inhibitory activity...
January 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28133900/the-effect-of-subclinical-infantile-thiamine-deficiency-on-motor-function-in-preschool-children
#19
Yael Harel, Luba Zuk, Michal Guindy, Orly Nakar, Dafna Lotan, Aviva Fattal-Valevski
We investigated the long-term implications of infantile thiamine (vitamin B1) deficiency on motor function in preschoolers who had been fed during the first 2 years of life with a faulty milk substitute. In this retrospective cohort study, 39 children aged 5-6 years who had been exposed to a thiamine-deficient formula during infancy were compared with 30 age-matched healthy children with unremarkable infant nutritional history. The motor function of the participants was evaluated with The Movement Assessment Battery for Children (M-ABC) and the Zuk Assessment...
January 29, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/28131605/physiological-changes-and-reproductive-performance-of-sterlet-sturgeon-acipenser-ruthenus-injected-with-thiamine
#20
Sareh Ghiasi, Bahram Falahatkar, Murat Arslan, Konrad Dabrowski
To evaluate the effects of thiamine on physiological changes and spawning performance of Sterlet sturgeon Acipenser ruthenus, 45 farmed female fish (698.6±8.9g) were randomly distributed in 9 tanks (1000L) and fed a diet with 1g/kg of an anti-thiamine drug. This was provided for 5 months prior to spawning. Thiamine hydrochloride was intraperitoneally injected to fish at three different doses: 0 (T0, as control), 5 (T5) and 50 (T50) mg/kg body weight at days 30, 90 and 150 after the experiment started. After five months, the results showed no significant differences in weight gain and hemoglobin level, but hematocrit significantly increased in T5 group...
January 15, 2017: Animal Reproduction Science
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