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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
Vitamin B12-A brief overview.
Goyal V
International archives of integrated medicine, 5(3), 30-35 (2015)
Haifa Chtourou et al.
Bioprocess and biosystems engineering, 38(7), 1381-1392 (2015-02-27)
Microalgae as feedstock for biofuel production have attracted serious consideration as an important sustainable source of energy. For biodiesel production with microalgae, a series of consecutive processes should be performed as selection of adequate microalgal strains, mass culture, cell harvesting
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
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
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
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
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
Marzia Dolcino et al.
PloS one, 9(5), e97571-e97571 (2014-05-17)
Regular intravenous immunoglobulin treatment is used to replace antibody deficiency in primary immunodeficiency diseases; however the therapeutic effect seems to be related not only to antibody replacement but also to an active role in the modulation of the immune response.
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
David Preiss et al.
The lancet. Diabetes & endocrinology, 2(2), 116-124 (2014-03-14)
Metformin reduces cardiovascular risk in patients with type 2 diabetes seemingly independent of lowering blood glucose concentration. We assessed the cardiovascular effects of metformin in individuals without type 2 diabetes. We did a single-centre, double-blind, placebo-controlled trial at the Glasgow
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
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
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
Camila Simioni Vanzin et al.
Cellular and molecular neurobiology, 35(6), 899-911 (2015-03-26)
Cystathionine-β-synthase (CBS) deficiency is the main cause of homocystinuria. Homocysteine (Hcy), methionine, and other metabolites of Hcy accumulate in the body of affected patients. Despite the fact that thromboembolism represents the major cause of morbidity in CBS-deficient patients, the mechanisms
Lawrence R Solomon
Journal of the American Geriatrics Society, 61(4), 577-582 (2013-03-26)
To determine whether high serum folate levels contribute to metabolite changes in elderly subjects with normal cobalamin levels. Case series. Outpatient clinic at a university-based staff model health maintenance organization. Two hundred thirty-three ambulatory individuals without diabetes mellitus with normal
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
Akio Nakajima et al.
PloS one, 10(5), e0126582-e0126582 (2015-05-15)
IgG4-related disease (IgG4-RD) is a new clinical entity of unknown etiology characterized by elevated serum IgG4 and tissue infiltration by IgG4-positive plasma cells. Although aberrancies in acquired immune system functions, including increases in Th2 and Treg cytokines observed in patients
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
Esko J Wiltshire et al.
The Journal of pediatrics, 166(2), 319-325 (2014-12-06)
To determine the effect of polymorphisms in NOS3 and folate pathway enzymes on vascular function and folate status and endothelial response to folate in children with diabetes or obesity. A total of 244 subjects (age 13.8 ± 2.8 years, 125
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
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
András Jeney
Orvosi hetilap, 154(44), 1754-1758 (2013-10-29)
Increased blood cell regeneration in exsanguinated experimental animals treated either with liver or with aqueous liver extracts was reported by Whipple and by Jeney and Jobling, respectively. These findings stimulated Minot and Murphy to provide evidence for the efficacy of
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
Michael Lofgren et al.
The Journal of biological chemistry, 288(43), 30980-30989 (2013-09-03)
MeaB is an accessory GTPase protein involved in the assembly, protection, and reactivation of 5'-deoxyadenosyl cobalamin-dependent methylmalonyl-CoA mutase (MCM). Mutations in the human ortholog of MeaB result in methylmalonic aciduria, an inborn error of metabolism. G-proteins typically utilize conserved switch
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
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
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
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