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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
A Bøyum et al.
Scandinavian journal of immunology, 80(6), 390-397 (2014-10-28)
The homeostatic control of the redox system (the redoxome) in mammalian cells depends upon a large number of interacting molecules, which tend to buffer the electronegativity of cells against oxidants or reductants. Some of these components kill - at high
Neelam Chhillar et al.
Annals of Indian Academy of Neurology, 17(3), 308-312 (2014-09-16)
Changes in lifestyle habits such as diet modification or supplementation have been indicated as probable protective factors for a number of chronic conditions including Alzheimer's disease (AD). With this background, we aim to hypothesize that whether C677T polymorphism of methylenetetrahydrofolate
Mattias Johansson et al.
Journal of the National Cancer Institute, 106(12), doi:10-doi:10 (2014-11-08)
The etiology of renal cell carcinoma (RCC) is only partially understood, but a metabolic component appears likely. We investigated biomarkers of one-carbon metabolism and RCC onset and survival. The European Prospective Investigation into Cancer and Nutrition (EPIC) recruited 385747 participants
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
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
Jian-Zhuang Tan et al.
Journal of the science of food and agriculture, 95(1), 126-135 (2014-04-15)
The effects of dietary l-arginine (Arg) on immunosuppression following infectious bursal disease virus (IBDV) inoculation in broiler chickens were evaluated. The design of this study was a 5 × 2 factorial arrangement (n = 5) with five Arg concentrations (starter:
Rebecca L Lander et al.
Public health nutrition, 17(9), 1984-1992 (2013-09-07)
To examine the micronutrient status of disadvantaged pre-schoolers from Northeast Brazil, following the introduction of pro-poor policies, by assessing the prevalence of anaemia and micronutrient deficiencies and the role of sociodemographic factors, genetic Hb disorders and parasitic infections. In a
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
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
The assay of cyanocobalamin in pharmaceutical preparations by solid-phase extraction and HPLC
Jansen CC and De Kleijn JP
Journal of Chromatographic Science, 28(1), 42-45 (1990)
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
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
Common vitamin B complex agents and folic acid: Part I. Cyanocobalamin (vitamin B12) (kaybovite [parenteral]; berubigen; betalin-12; kaybovite-1000; rubramin-pc).
D W Claussen
Gastroenterology nursing : the official journal of the Society of Gastroenterology Nurses and Associates, 19(6), 221-222 (1996-11-01)
Satoru Watanabe et al.
Acta haematologica, 133(1), 83-88 (2014-08-30)
In some previous studies, vitamin B12 treatment showed immunomodulatory effects and restored the immunological abnormalities in patients with pernicious anemia (PA). In the present study, peripheral blood T cell subsets, including regulatory T cells (T(reg)s), were examined before and after
Reiko Nishihara et al.
The American journal of clinical nutrition, 100(6), 1479-1488 (2014-11-21)
Although a higher consumption of alcohol, which is a methyl-group antagonist, was previously associated with colorectal cancer risk, mechanisms remain poorly understood. We hypothesized that excess alcohol consumption might increase risk of colorectal carcinoma with hypomethylation of insulin-like growth factor
Inong R Gunanti et al.
The Journal of nutrition, 144(12), 2027-2033 (2014-11-21)
Micronutrient status may be a contributing factor to the development of childhood obesity in many industrializing countries passing the nutritional transition. The few studies investigating associations between serum concentrations of vitamin B and intake of B vitamins with adiposity, however
Anthony Mézière et al.
The journals of gerontology. Series A, Biological sciences and medical sciences, 69(12), 1576-1585 (2014-07-27)
Cobalamin deficiency is responsible for hematological, neurological, neurocognitive, and neuropsychiatric impairments and is a risk factor for cardiovascular diseases, particularly in the elderly people. In order to determine B12 status in old inpatients, a total number of 14,904 hospitalized patients
Tomohiro Bito et al.
FEBS open bio, 4, 722-729 (2014-08-28)
In this study, we showed that cyanocobalamin dodecylamine, a ribose 5'-carbamate derivative of cyanocobalamin, was absorbed and accumulated to significant levels by Caenorhabditis elegans and was not further metabolized. The levels of methylmalonic acid and homocysteine, which serve as indicators
Jae Hoon Moon et al.
Stroke, 46(4), 1024-1030 (2015-03-05)
We investigated the association between cardiovascular risk factors, including carotid intima-media thickness (CIMT), and future risk of mild cognitive impairment (MCI) and dementia in elderly subjects. We conducted a population-based prospective study as a part of the Korean Longitudinal Study
Stephen D Merrigan et al.
American journal of clinical pathology, 141(5), 702-705 (2014-04-10)
To systematically assess five automated cobalamin assays for intrinsic factor binding antibody (IFBA)-induced interference using pooled serum. Six pools created from IFBA-negative and IFBA-positive serum representing low, normal, and high cobalamin concentrations were analyzed before and after polyethylene glycol (PEG)
Alvin Nursalim et al.
Acta medica Indonesiana, 45(2), 150-156 (2013-06-19)
to determine whether the administration of folic acid, vitamin B6 and vitamin B12 would lead to reduction of cardiovascular complication and mortality among CKD patients. a search was conducted on PubMed and Google. The selection of title and abstract was
Matthew A A Grant et al.
The ISME journal, 8(7), 1418-1427 (2014-02-14)
The growth dynamics of populations of interacting species in the aquatic environment is of great importance, both for understanding natural ecosystems and in efforts to cultivate these organisms for industrial purposes. Here we consider a simple two-species system wherein the
Clinical practice. Vitamin B12 deficiency.
Sally P Stabler
The New England journal of medicine, 368(2), 149-160 (2013-01-11)
Rony Dev et al.
Cancer, 120(10), 1586-1593 (2014-03-01)
A high frequency of hypogonadism has been reported in male patients with advanced cancer. The current study was performed to evaluate the association between low testosterone levels, symptom burden, and survival in male patients with cancer. Of 131 consecutive male
Katsumi Shibata et al.
Bioscience, biotechnology, and biochemistry, 78(12), 2102-2109 (2014-08-15)
We previously reported that mild food restriction induces a reduction in tryptophan-nicotinamide conversion, which helps to explain why death secondary to pellagra is pandemic during the hungry season. In this study, we investigated the levels of B-group vitamins in the
Nisha G Kemse et al.
PloS one, 9(11), e111902-e111902 (2014-11-19)
Our earlier studies have highlighted that an altered one carbon metabolism (vitamin B12, folic acid, and docosahexaenoic acid) is associated with preeclampsia. Preeclampsia is also known to be associated with oxidative stress and inflammation. The current study examines whether maternal
Ultra-high performance liquid chromatographic and mass spectrometric analysis of active vitamin B12 in cells of Propionibacterium and fermented cereal matrices.
Chamlagain B, Edelmann M, Kariluoto S, et al.
Inflammation and regeneration, 166, 630-638 (2014)
Jean-Louis Guéant et al.
Biochimie, 95(5), 1033-1040 (2013-02-19)
Vitamin B12 (cobalamin, cbl) is a cofactor of methionine synthase (MTR) in the synthesis of methionine, the precursor of the universal methyl donor S-Adenosylmethionine (SAM), which is involved in epigenomic regulatory mechanisms. We have established a neuronal cell model with
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