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V2876

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Taliha Öner et al.
Pediatrics, 133(1), e138-e142 (2013-12-25)
Vitamin B12 is involved in the production of adrenaline from noradrenaline. It is the cofactor involved in catecholamine degradation and plays a role in myelin synthesis. The current study aimed to investigate the association between vitamin B12 levels and postural
Jeongdae Im et al.
Environmental science & technology, 48(22), 13181-13187 (2014-10-21)
The hydrofluoroolefin 2,3,3,3-tetrafluoropropene (HFO-1234yf) has been introduced to replace 1,1,1,2-tetrafluoroethane (HFC-134a) as refrigerant in mobile, including vehicle, air conditioning systems because of its lower global warming potential. HFO-1234yf is volatile at ambient temperatures; however, high production volumes and widespread handling
M Verdú et al.
Journal of animal science, 93(6), 3018-3033 (2015-06-27)
A total of 240 Holstein bulls (121 ± 2.0 kg initial BW; 99 ± 1.0 d of age), from 2 consecutive fattening cycles, were randomly allocated in 1 of 6 pens and assigned to 1 of the 3 treatments consisting
B X E Desbiolles et al.
Nano letters, 19(9), 6173-6181 (2019-08-20)
Micronanotechnology-based multielectrode arrays have led to remarkable progress in the field of transmembrane voltage recording of excitable cells. However, providing long-term optoporation- or electroporation-free intracellular access remains a considerable challenge. In this study, a novel type of nanopatterned volcano-shaped microelectrode
Azita Hekmatdoost et al.
PloS one, 10(12), e0143569-e0143569 (2015-12-03)
To determine whether 5-methylenetetrahydrofolate (MTHF) is more effective than folic acid supplementation in treatment of recurrent abortion in different MTHFR gene C677T and A1298C polymorphisms. A randomized, double blind, placebo-controlled trial conducted April 2011-September 2014 in recurrent abortion clinics in
Bhawani Chamlagain et al.
Food chemistry, 166, 630-638 (2014-07-24)
A sensitive and selective method is needed to analyse in situ produced vitamin B12 in plant-based materials, potential new dietary sources of vitamin B12. A UHPLC/UV method was developed and validated for the determination of human active vitamin B12 in
Daniela Baldoni et al.
Molecular imaging and biology : MIB : the official publication of the Academy of Molecular Imaging, 17(6), 829-837 (2015-04-11)
Vitamin B12 (cyanocobalamin, Cbl) is accumulated by rapidly replicating prokaryotic and eukaryotic cells. We investigated the potential of a Tc-99m labelled Cbl derivative ([(99m)Tc]PAMA(4)-Cbl) for targeting infections caused by Escherichia coli and Staphylococcus aureus. In vitro binding assays were followed
Anita Dayaldasani et al.
International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 84(1-2), 92-97 (2014-01-01)
Low maternal vitamin B12 status is a risk factor for various adverse pregnancy outcomes. Although vitamin B12 deficiency is not a primary target of newborn screening (NBS) programs, measurements of propionylcarnitine (C3) and its ratios with acetylcarnitine (C3/C2) and palmitoylcarnitine
Brad Hine et al.
Journal of cellular biochemistry, 115(11), 1948-1954 (2014-06-11)
Intestinal uptake of vitamin B12 (hereafter B12) is impaired in a significant proportion of the human population. This impairment is due to inherited or acquired defects in the expression or function of proteins involved in the binding of diet-derived B12
Ontario health technology assessment series, 13(23), 1-45 (2014-01-01)
More than 2.9 million serum vitamin B12 tests were performed in 2010 in Ontario at a cost of $40 million. Vitamin B12 deficiency has been associated with a few neurocognitive disorders. To determine the clinical utility of B12 testing in
Ann Brunick et al.
Dental assistant (Chicago, Ill. : 1994), 82(4), 12-12 (2013-09-06)
This course will teach the desirable characteristics of nitrous oxide, indications and contraindications for N2O/O2 use, as well as facts and myths surrounding chronic exposure to nitrous oxide, the biologic effects associated with high levels of the gas, and ways
Alexandra C Weaver et al.
Toxins, 6(12), 3336-3353 (2014-12-24)
To evaluate the effects of the mycotoxins deoxynivalenol (DON) and zearalenone (ZEA) on pigs and the benefits of two mycotoxin mitigation strategies, gilts (n = 84, 9.1 ± 0.1 kg) were allotted to four treatments: CON (control); MT (4.8 mg/kg
Luciana Hannibal et al.
Clinical chemistry and laboratory medicine, 51(3), 477-488 (2012-12-18)
The causes of cobalamin (B12, Cbl) deficiency are multifactorial. Whether nutritional due to poor dietary intake, or functional due to impairments in absorption or intracellular processing and trafficking events, the major symptoms of Cbl deficiency include megaloblastic anemia, neurological deterioration
Sylwester Kurcoń et al.
The Journal of organic chemistry, 78(8), 4115-4122 (2013-04-03)
Heptamethyl cobyrinate was transformed into hexamethyl 8-nor-cobyrinate. The crucial step involved the synthesis of new, vitamin B12 derived cobryketone via palladium-catalyzed cleavage of the sp(3)-sp(3) carbon-carbon bond with the liberation of the ketone. The replacement of sp(3) carbon atom with
Simon J Moore et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(37), 14906-14911 (2013-08-08)
It has been known for the past 20 years that two pathways exist in nature for the de novo biosynthesis of the coenzyme form of vitamin B12, adenosylcobalamin, representing aerobic and anaerobic routes. In contrast to the aerobic pathway, the
I Audet et al.
Journal of animal science, 93(1), 147-157 (2014-11-22)
Homocysteine (Hcy), an intermediary sulfur AA, is recognized as a powerful prooxidant with deleterious effects on physiological and immune functions. In piglets, there is an acute 10-fold increase of plasma concentrations of homocysteine (pHcy) during the first 2 wk of
Illuminating the black box of B12 biosynthesis.
Harry A Dailey
Proceedings of the National Academy of Sciences of the United States of America, 110(37), 14823-14824 (2013-08-27)
A F Remacha et al.
Annals of hematology, 93(4), 565-569 (2013-09-24)
Plasma holotranscobalamin (holoTC) transports active cobalamin. Decreased levels of holoTC have been considered to be the earliest marker of cobalamin (Cbl) deficiency. In this work, holoTC was evaluated in low or borderline serum Cbl (LB12) and a concordance analysis was
Recombinant human collagen-based microspheres mitigate cardiac conduction slowing induced by adipose tissue-derived stromal cells
Smit NW, et al.
PLoS ONE, 12(8), e0183481-e0183481 (2017)
Gang Xu et al.
American journal of physical medicine & rehabilitation, 93(4), 287-298 (2013-11-08)
The aim of this study was to explore the efficacy of transcutaneous electrical nerve stimulation (TENS) with locally injected cobalamin in relieving pain and improving activities of daily living in patients with postherpetic neuralgia. Ninety patients (≥50 yrs old) with
Paula Dominguez-Salas et al.
The American journal of clinical nutrition, 97(6), 1217-1227 (2013-04-12)
Animal models show that periconceptional supplementation with folic acid, vitamin B-12, choline, and betaine can induce differences in offspring phenotype mediated by epigenetic changes in DNA. In humans, altered DNA methylation patterns have been observed in offspring whose mothers were
Etienne de Coulon et al.
iScience, 24(2), 102041-102041 (2021-02-04)
A comprehensive understanding of mechano-electrical coupling requires continuous intracellular electrical recordings being performed on cells undergoing simultaneously in vivo like strain events. Here, we introduce a linear strain single-cell electrophysiology (LSSE) system that meets these requirements by delivering highly reproducible unidirectional
Katherine R Heal et al.
Rapid communications in mass spectrometry : RCM, 28(22), 2398-2404 (2014-10-11)
Vitamin B(12) is an essential nutrient for more than half of surveyed marine algae species, but methods for directly measuring this important cofactor in seawater are limited. Current mass spectrometry methods do not quantify all forms of B(12), potentially missing
Martin Risch et al.
BMC geriatrics, 15, 82-82 (2015-07-15)
The vitamin B12 and folate status in nonanaemic healthy older persons needs attention the more so as decrease in levels may be anticipated from reduced haematinic provision and/or impaired intestinal uptake. A total of 1143 subjectively healthy Swiss midlands participants
Vladimir M Korkhov et al.
Nature structural & molecular biology, 21(12), 1097-1099 (2014-11-18)
The reaction mechanism of BtuCD-F-catalyzed vitamin B12 transport into Escherichia coli is currently unclear. Here we present the structure of the last missing state in the form of AMP-PNP-bound BtuCD, trapped by a disulfide cross-link. Our structural and biochemical data
Huifeng Shan et al.
AMB Express, 4, 48-48 (2014-11-18)
A fermentative enrichment culture (designated DHM-1) that grows on corn syrup was evaluated for its ability to cometabolically biodegrade high concentrations of chloroform (CF), carbon tetrachloride (CT), and trichlorofluoromethane (CFC-11). When provided with corn syrup and vitamin B12 (0.03 mol B12
Ryan Sturms et al.
Journal of bacteriology, 197(14), 2412-2421 (2015-05-13)
Bacterial microcompartments (MCPs) are a diverse family of protein-based organelles composed of metabolic enzymes encapsulated within a protein shell. The function of bacterial MCPs is to optimize metabolic pathways by confining toxic and/or volatile metabolic intermediates. About 20% of bacteria
C M Miller et al.
New Zealand veterinary journal, 63(4), 211-219 (2015-01-16)
To measure the magnitude and variability in production responses to anthelmintic treatments administered to adult ewes around lambing. Ewes carrying twin lambs, from sheep and beef farms (eight in Year 1 and six in Year 2) in the Wairarapa region
Ivan G Pallares et al.
Biochemistry, 53(50), 7969-7982 (2014-11-26)
CobA from Salmonella enterica (SeCobA) is a member of the family of ATP:Co(I)rrinoid adenosyltransferase (ACAT) enzymes that participate in the biosynthesis of adenosylcobalamin by catalyzing the transfer of the adenosyl group from an ATP molecule to a reactive Co(I)rrinoid species
Nikita L van der Zwaluw et al.
Neurology, 83(23), 2158-2166 (2014-11-14)
We investigated the effects of 2-year folic acid and vitamin B12 supplementation on cognitive performance in elderly people with elevated homocysteine (Hcy) levels. This multicenter, double-blind, randomized, placebo-controlled trial included 2,919 elderly participants (65 years and older) with Hcy levels
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