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Serum Cobalamin

Katharina Moser, Stefanie Mitze, Erik Teske, Wolf von Bomhard, Christian Stockhaus
OBJECTIVE: The objective of this study was to correlate clinical signs and diagnostic parameters with duodenal inflammatory and architectural changes in dogs with lymphocytic-plasmacytic enteropathy. MATERIAL AND METHODS: In a retrospective study dogs presented between 2003 and 2014 with chronic gastrointestinal signs (duration > 3 weeks) and histologic evidence of intestinal lymphocytic-plasmacytic inflammation were evaluated. Clinical signs, serum albumin, cobalamin and folic acid concentrations were recorded and a sonographic, endoscopic, histologic and cytological inflammatory score was determined...
February 2018: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
Pol Solé-Navais, Judith Salat-Batlle, Pere Cavallé-Busquets, Joan Fernandez-Ballart, Per M Ueland, Mónica Ballesteros, Gemma Ornosa-Martín, Montserrat Inglès-Puig, Jose M Colomina, Michelle M Murphy
Background: Periconception folic acid supplementation is widespread, but how it interacts with cobalamin status is rarely considered. Objective: The aim of this study was to investigate whether first-trimester folate-cobalamin interactions affect pregnancy cobalamin status, hematologic variables, and pregnancy outcomes. Design: In the longitudinal Reus-Tarragona Birth Cohort study from <12 gestational weeks throughout pregnancy, fasting plasma and red blood cell (RBC) folate, plasma cobalamin, holotranscobalamin (holoTC), methylmalonic acid (MMA), total homocysteine (tHcy), hemoglobin, mean cell volume (MCV), postglucose-load serum glucose, gestational hypertension, gestational age at birth, and birth weight were recorded in 563 participants...
February 1, 2018: American Journal of Clinical Nutrition
Cristian Del Bo', Patrizia Riso, Claudio Gardana, Antonella Brusamolino, Alberto Battezzati, Salvatore Ciappellano
BACKGROUND & AIMS: Vegetarians and vegans are more vulnerable to vitamin B12 deficiency with severe risks of megaloblastic anemia, cognitive decline, neuropathy, and depression. An easy and simple method of supplementation consists of taking one weekly dosage of 2000 μg. However, single large oral doses of vitamin B12 are poorly absorbed. The present research evaluates the ability of two different sublingual dosages of vitamin B12 (350 μg/week vs 2000 μg/week) in improving cyanocobalamin (vitamin B12 ) nutritional status in vegans and vegetarians with a marginal deficiency...
February 15, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Chunchen Wang, Jieying Li
RATIONALE: Phenylketonuria (PKU) is a metabolic disorder, which manifests a progressive irreversible neurological impairment during infancy and childhood. Hyperhomocysteinemia also showed that it might be involved in pathophysiology of many neuropsychiatric disorders. The late-onset clinical manifestations of these 2 diseases have not been reported elsewhere. We speculated that the late-onset PKU is caused by 2 kinds of metabolic dysfunction synergistically, especially a short period of irregular diet directly caused clinical symptoms...
February 2018: Medicine (Baltimore)
L Toresson, J M Steiner, P Razdan, E Spodsberg, G Olmedal, J S Suchodolski, T Spillmann
The aim of this study was to compare the efficacies of parenteral and oral cobalamin supplementation protocols in dogs with chronic enteropathies and low cobalamin concentrations. It was hypothesised that both treatments would increase serum cobalamin concentrations significantly. Fifty-three dogs with chronic enteropathies and serum cobalamin concentrations<285ng/L (reference interval 244-959ng/L) were enrolled. Dogs were randomised to treatment with either daily oral cobalamin tablets (0.25-1.0mg cyanocobalamin daily according to body weight) or parenteral cobalamin (0...
February 2018: Veterinary Journal
Diler Tas Kilic, Ali Akdogan, Levent Kilic, Alper Sari, Abdulsamet Erden, Berkan Armagan, Muhammed Kilickaya, Umut Kalyoncu, Turan Turhan, Sedat Kiraz, Selma Karaahmetoglu
BACKGROUND/OBJECTIVE: In patients with systemic sclerosis (SSc) gastrointestinal (GI) involvement, nutritional status and medications may lead to cobalamin (Vit B12) deficiency. We aimed to determine the frequency and the potential causes of Vit B12 deficiency in SSc patients. METHODS: We conducted a cross-sectional analysis of 62 SSc patients in a single center in 1 year period. Medical history and physical examination of patients were reevaluated. Data about organ involvements were obtained from hospital file records...
January 30, 2018: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
Sheng-Jun Wang, Chuan-Zhu Yan, Yi-Ming Liu, Yu-Ying Zhao
The Cobalamin C deficiency (cblC), characterized with elevated methylmalonic acidemia and homocystinuria in plasma, is an inborn error of cobalamin metabolism. The late-onset cblC siblings patients were rarely reported. In this study, we analyzed the clinical presentations and treatment outcomes of late-onset cblC in Chinese sibling patients with neuropsychiatric presentations. The clinical data of four pairs of Chinese patients were retrospectively analyzed. Serum homocysteine, urine organic acids measurements, neuroimaging exams and gene analysis were carried out in all patents...
January 26, 2018: Metabolic Brain Disease
Berniza Calderón, Vital Hevia, Belén Vega-Piñero, Antonia Martín-Hidalgo, Helena Mendez-Del Sol, Héctor F Escobar-Morreale, José I Botella-Carretero
BACKGROUND AND OBJECTIVES: Micronutrients may influence the development and differentiation of sperm cells. The aim of this study was to assess the possible association of deficiencies in several vitamins and trace elements with sperm abnormalities in men with obesity. PARTICIPANTS AND METHODS: Thirty male patients with moderate to severe obesity and ten lean controls who gave written informed consent were included. Anthropometric parameters were recorded. Hormonal and lipid profiles were analyzed, as well as serum concentrations of zinc, copper, retinol, α-tocopherol, 25-hydroxyvitamin D, cobalamin, and folic acid...
January 9, 2018: Journal of the American College of Nutrition
Sümeyra Çoban, Ebru Yılmaz Keskin, Mahir İğde
OBJECTIVE: Exclusively breast-fed infants born to vitamin B12 (cobalamin, cbl)-deficient mothers can develop symptoms within a few months following delivery. The authors aimed to assess the relationship between maternal and infantile markers of cbl status. METHODS: In 240 full-term infants (age, 2-30 d) admitted to Samsun Maternity and Child Health Hospital and their mothers, complete blood count testing and serum cbl, folate and plasma total homocysteine (tHcy) measurements were performed...
January 6, 2018: Indian Journal of Pediatrics
Eva Greibe, Namita Mahalle, Vijayshri Bhide, Sergey Fedosov, Christian W Heegaard, Sadanand Naik, Ebba Nexo
PURPOSE: We compare the effect of 8-week oral supplementation with cyano-B12 (currently used in vitamin pills) and hydroxo-B12 (predominant form in the diet) in a population with nutritional vitamin B12 deficiency. METHODS: Fifty-one healthy Indian adults with baseline serum cobalamin < 200 pmol/L were supplied for 8 weeks with daily oral supplements of 3-µg cyano-B12 (n = 15), 3-µg hydroxo-B12 (n = 16), or a placebo (n = 20). Blood at baseline, and each following week, was examined for total cobalamin, holotranscobalamin, methylmalonic acid, and homocysteine...
December 5, 2017: European Journal of Nutrition
Rabia G Sezer, Abdulkadir Bozaykut, Handan A Akoğlu, Gül N Özdemir
Standard treatment of vitamin B12 deficiency has not been well established in childhood, the ideal amount of supplemental vitamin B12 is not clear. Vitamin B12 deficiency is classically treated with intramuscular injections. In this study, we aimed to investigate the efficacy of oral therapy in children with vitamin B12 deficiency. Patients with serum cobalamin concentrations <300 pg/mL aged between 6 months to 18 years were included in this prospective study. Children were treated orally either with a combination of multivitamin tablet daily or vitamin B12 ampules...
March 2018: Journal of Pediatric Hematology/oncology
Sarah A Hill, Nicholas J Cave, Sandra Forsyth
Objectives Multiple feline diseases involving the gastrointestinal tract, pancreas, liver and biliary tract are known to cause abnormal serum cobalamin and folate concentrations. Measuring the serum concentration of these vitamins can therefore be a helpful diagnostic tool. However, factors other than disease, in particular age, have also been suggested to have an effect on the serum concentration of cobalamin and folate. In previous studies, the dietary intake was not standardised, or even known, despite diet being the prinicpal source of both vitamins...
February 2018: Journal of Feline Medicine and Surgery
Stefanie Mitze, Katharina Moser, Erik Teske, Wolf V Bomhard, Christian Stockhaus
OBJECTIVE: The Feline Chronic Enteropathy Activity Index (FCEAI) has been established as a quantitative index for disease activity in chronic enteropathies in cats. A definite diagnosis is aimed at histology with initial exclusion of extraintestinal causes by laboratory examinations, diagnostic imaging and endoscopy. The study aimed to examine diagnostic parameters and FCEAI in chronic gastroenteropathies. MATERIALS AND METHODS: A retrospective case review of 147 cats with chronic enteropathies was performed...
November 3, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
E Laird, M C Casey, M Ward, L Hoey, C F Hughes, K McCarroll, C Cunningham, J J Strain, H McNulty, A M Molloy
BACKGROUND: Consumption of dairy products has been associated with positive health outcomes including a lower risk of hypertension, improved bone health and a reduction in the risk of type 2 diabetes. The suggested dairy intake for health in older adults is three servings per day but recent analysis of the NHANES data for older adults reported 98% were not meeting these recommendations. No studies have investigated the consequences of such declines in the dairy intakes of Irish older adults and the subsequent effects on vitamin micronutrient status...
2017: Journal of Nutrition, Health & Aging
Ikbal Ok Bozkaya, Nese Yarali, Murat Kizilgün, Secil Ozkan, Bahattin Tunc
The purpose of this study was to evaluate the relationship between the plasma holoTC and serum vitamin B12 in children and to identify a cutoff cobalamin values according to holoTC. One hundred and fifty-five children were enrolled into the study. All children were evaluated for hemoglobin, vitamin B12, folate, ferritin and holoTC levels. Children were grouped as with low vitamin B12 level (≤200 pg/mL, group I) and normal vitamin B12 (>200 pg/mL, group II). Serum vitamin B12, and holoTC levels were performed in each patient in the study...
December 2017: Indian Journal of Hematology & Blood Transfusion
Liu Miao, Rui-Xing Yin, Feng Huang, Wu-Xian Chen, Xiao-Li Cao, Jin-Zhen Wu
AIM: This study aimed to detect the association of the mevalonate kinase (MVK) and methylmalonic aciduria (cobalamin deficiency) cblB type (MMAB) gene variants, their haplotypes, and gene-environment (G×E) interactions on serum lipid levels and the risk of coronary heart disease (CHD) and ischemic stroke (IS) in a Chinese Han population. METHODS: Genotyping of the rs3759387, rs7134594, rs877710 and rs9593 SNPs in 846 CHD and 869 IS patients and 847 healthy controls was performed by PCR-RFLP and Sanger sequencing...
September 22, 2017: Oncotarget
Minguang Chen, Jieqiu Zhuang, JianHuan Yang, Dexuan Wang, Qing Yang
RATIONALE: Methylmalonic acidemia (MMA) is a common organic acidemia, mainly due to methylmalonyl-CoA mutase (MCM) or its coenzyme cobalamin (VitB12) metabolic disorders. Cobalamin C (CblC) type is the most frequent inborn error of cobalamin metabolism; it can develop symptoms in childhood and often combine multisystem damage, which leads to methylmalonic acid, propionic acid, methyl citrate, and other metabolites abnormal accumulation, causing nerve, liver, kidney, bone marrow, and other organ damage...
October 2017: Medicine (Baltimore)
Antoine Froissart, Benjamin Rossi, Brigitte Ranque, Irène Jarrin, Jean-François Bergmann, Sébastien Beaune, Sandrine Dautheville, Nicole Breau, Agnès Dauvergne, Lauréline Deluche, Tiphaine Robert, Nathalie Gault, Carine Roy, Virginie Zarrouk, Olivier Steichen, Bruno Fantin
BACKGROUND: Blood test results required for the evaluation of anemia are considered difficult to interpret after red blood cell transfusion. However, this hypothesis is neither supported by a strong physiological rationale nor is it evidence based. METHODS: We conducted a prospective multicenter study to compare the values of key assays prior to and after a course of red blood cell transfusion in the emergency or internal medicine units in 4 university hospitals...
March 2018: American Journal of Medicine
Liu Miao, Rui-Xing Yin, Shang-Ling Pan, Shuo Yang, De-Zhai Yang, Wei-Xiong Lin
Maonan ethnic group is a relatively conservative and isolated minority in China. Little is known about the association of the mevalonate kinase (MVK), methylmalonic aciduria (cobalamin deficiency) cblB type (MMAB) single nucleotide polymorphisms (SNPs) and serum lipid levels. This study aimed to determine the association between four SNPs in the MVK/MMAB and serum lipid levels. Genotyping of the rs3759387, rs877710, rs7134594 and rs9593 SNPs was performed in 1264 Maonan subjects and 1251 Han participants. Allele and genotype frequencies of the selected SNPs were different between the two populations (P < 0...
September 19, 2017: Oncotarget
Eva Greibe, Namita Mahalle, Vijayshri Bhide, Christian W Heegaard, Sadanand Naik, Ebba Nexo
PURPOSE: To investigate the absorption of synthetic cyanocobalamin and natural occurring hydroxocobalamin in populations with low and normal cobalamin (vitamin B12) status. METHODS: We included adults with low (n = 59) and normal (n = 42) cobalamin status and measured the change in serum holotranscobalamin (ΔholoTC) before and after 2 day administration of different doses of cyanocobalamin and hydroxocobalamin (CobaSorb test). In the low status group, the test was performed using a cross-over design with identical doses of both cobalamin forms (1...
October 16, 2017: European Journal of Nutrition
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