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Serum Cobalamin

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https://www.readbyqxmd.com/read/29099902/correlation-between-the-fceai-and-diagnostic-parameters-in-chronic-enteropathies-in-147-cats-2006-2012
#1
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
https://www.readbyqxmd.com/read/29083435/dairy-intakes-in-older-irish-adults-and-effects-on-vitamin-micronutrient-status-data-from-the-tuda-study
#2
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
https://www.readbyqxmd.com/read/29075065/relationship-between-the-levels-of-holotranscobalamin-and-vitamin-b12-in-children
#3
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
https://www.readbyqxmd.com/read/29069827/the-effect-of-mvk-mmab-variants-their-haplotypes-and-g%C3%A3-e-interactions-on-serum-lipid-levels-and-the-risk-of-coronary-heart-disease-and-ischemic-stroke
#4
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
https://www.readbyqxmd.com/read/29068997/atypical-hemolytic-uremic-syndrome-induced-by-cblc-subtype-of-methylmalonic-academia-a-case-report-and-literature-review
#5
REVIEW
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)
https://www.readbyqxmd.com/read/29061498/effect-of-a-red-blood-cell-transfusion-on-biological-markers-used-to-determine-the-cause-of-anemia-a-prospective-study
#6
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 before and after a course of red blood cell transfusion in the emergency or internal medicine units in four university hospitals...
October 20, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/29050287/association-between-the-mvk-and-mmab-polymorphisms-and-serum-lipid-levels
#7
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
https://www.readbyqxmd.com/read/29038891/increase-in-circulating-holotranscobalamin-after-oral-administration-of-cyanocobalamin-or-hydroxocobalamin-in-healthy-adults-with-low-and-normal-cobalamin-status
#8
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
https://www.readbyqxmd.com/read/28953003/vitamin-b12-deficiency-in-inflammatory-bowel-disease-a-prospective-observational-pilot-study
#9
Robert Battat, Uri Kopylov, Joshua Byer, Maida J Sewitch, Elham Rahme, Hacene Nedjar, Elana Zelikovic, Serge Dionne, Talat Bessissow, Waqqas Afif, Paula J Waters, Ernest Seidman, Alain Bitton
BACKGROUND AND AIM: Diagnostic and management guidelines for vitamin B12 (cobalamin, Cbl) deficiency in inflammatory bowel disease (IBD) are lacking. True deficiency is defined as Cbl concentrations below reference range combined with elevated methylmalonic acid (MMA) concentrations. Studies analyzing Cbl status in IBD use only Cbl concentrations without confirmatory MMA. This study aims to determine the proportion of IBD patients with Cbl concentrations below reference range and their predisposing clinical and genetic characteristics...
September 25, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28898907/effects-of-cobalamin-vitamin-b12-on-gentamicin-induced-nephrotoxicity-in-rat
#10
Saeed Hajihashemi, Zeinab Hamidizad, Ali Rahbari, Fatemeh Ghanbari, Zohre Aghaee Motealeghi
Background The main side effect of gentamicin is nephrotoxicity. The effect of cobalamin (Cob) was investigated on gentamicin nephrotoxicity in rats. Methods Renal injury induced by i.p. injection of gentamicin (100 mg/kg) for 8 consecutive days. Cobalamin (6 mg/kg/day, i.p) treatment was done for 8 consecutive days as co-treatment and post-treatment protocol. Results Cobalamin significantly increased creatinine clearance levels and renal blood flow which were reduced by gentamicin. Also, cobalamin significantly improved serum electrolytes (sodium and potassium) levels which were disturbed by gentamicin...
September 12, 2017: Drug Research
https://www.readbyqxmd.com/read/28895200/effects-of-6%C3%A2-weeks-of-parenteral-cobalamin-supplementation-on-clinical-and-biochemical-variables-in-cats-with-gastrointestinal-disease
#11
J Kempf, M Hersberger, R H Melliger, C E Reusch, P H Kook
BACKGROUND: Effects and duration of commonly used protocols for cobalamin (Cbl) supplementation on cellular Cbl deficiency have not been determined in hypocobalaminemic cats. HYPOTHESIS/OBJECTIVES: To evaluate effect of Cbl supplementation on clinical signs, serum and urine methylmalonic acid (MMA) concentrations over 16 weeks. ANIMALS: Twenty client-owned hypocobalaminemic cats with enteropathy. METHODS: Prospective study...
September 12, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28865226/evaluation-of-clinicopathological-features-in-cats-with-chronic-gastrointestinal-signs
#12
P Gianella, M Pietra, P E Crisi, P Famigli Bergamini, F Fracassi, M Morini, A Boari
Food-responsive enteropathy (FRE), idiopathic inflammatory bowel disease (IBD), and alimentary tract lymphoma (AL) are often the remaining differentials for cats presenting with chronic gastrointestinal (GI) signs. Differential diagnosis is further complicated by overlapping clinicopathological features and histopathological changes, however. In this study we describe the clinical presentation of cats with chronic GI signs secondary to FRE, IBD, and AL, and evaluate possible associations between clinical, clinicopathological, ultrasonographic findings and diagnosis...
March 1, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28863787/venous-thromboembolism-and-hyperhomocysteinemia-as-first-manifestation-of-pernicious-anemia-a-case-series
#13
W Ammouri, Z Mezalek Tazi, H Harmouche, M Maamar, M Adnaoui
BACKGROUND: Hyperhomocysteinemia has been suspected of favoring thrombosis. Several case-control studies and even a meta-analysis have confirmed a link between venous thrombosis and hyperhomocysteinemia. Homocysteine is due to genetic and acquired factors (poor diet in folate and vitamin B12, older age, renal impairment, thyroid diseases, and malignancies) induced by the intake and the concentrations of vitamin B9 or B12 in the majority of cases. CASES PRESENTATION: We report the cases of four Moroccan patients who presented with acute vein thrombosis of different sites: a 34-year-old man, a 60-year-old man, a 58-year-old man, and a 47-year-old woman...
September 2, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28819628/abnormal-biomarkers-of-homocysteine-metabolism-in-neonates-with-conotruncal-heart-defects
#14
Piotr Surmiak, Małgorzata Baumert, Magdalena Paprotny
OBJECTIVES: The etiology of conotruncal heart defects (CHD) remains unknown; however relation between homocysteine, folate levels, and congenital heart disease was found. With this perspective in mind, the aim of the study was to investigate biomarkers of homosyteine metabolism pathway in mothers and their neonates with CHD. MATERIAL AND METHODS: Forty-three pairs of mothers and their neonates with CHD and forty pairs of mothers and neonates with nonconotruncal heart defects (non-CHD) were enrolled...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28726436/is-it-intestinal-tuberculosis-again-case-report
#15
Kristián Brat, Zdeněk Merta, Ivan Čundrle
This case report focuses on an immigrant admitted to the Department of Respiratory Diseases, University Hospital Brno due to suspicion of relapsing intestinal tuberculosis. The patient presented with fever, night sweat, weight loss, diarrhea, and a history of several tuberculosis attacks in the last few years. None of the examinations confirmed the presence of active tuberculosis but raised suspicion of hematological malignancy. Pancytopenia was present in the peripheral blood. However, bone marrow examination and flowcytometry excluded the presence of a hematological malignancy...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28718091/nutritional-and-micronutrient-care-of-bariatric-surgery-patients-current-evidence-update
#16
REVIEW
Michael A Via, Jeffrey I Mechanick
PURPOSE OF REVIEW: The continued success of bariatric surgery to treat obesity and obesity-associated metabolic conditions creates a need for a strong understanding of clinical nutrition both before and after these procedures. RECENT FINDINGS: Surgically induced alteration of gastrointestinal physiology can affect the nutrition of individuals, especially among those who have undergone malabsorptive procedures. While uncommon, a subset of patients may develop protein-calorie malnutrition...
September 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28703447/chronic-diarrhea-in-dogs-retrospective-study-in-136-cases
#17
M Volkmann, J M Steiner, G T Fosgate, J Zentek, S Hartmann, B Kohn
BACKGROUND: Chronic diarrhea (CD) is common in dogs, and information on frequency and distribution of primary and secondary causes is lacking. OBJECTIVES: To evaluate underlying causes and predictors of outcome in dogs with CD. ANIMALS: One hundred and thirty-six client-owned dogs with CD (≥3 weeks duration). METHODS: Retrospective review of medical records (Small Animal Clinic, Freie Universität Berlin, Germany, 09/2009-07/2011)...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28670999/biological-variation-of-holotranscobalamin-and-cobalamin-in-healthy-individuals
#18
Mette Brokner, Helle Borgstrøm Hager, Morten Lindberg
Data on biological variation for cobalamin and holotranscobalamin (holoTC) are limited. The aim of this study was to determine within-subject (CVI) and between-subject (CVG) biological variations for these analytes in a healthy population. We collected blood samples from 15 healthy volunteers (12 women and three men, 22-66 years) on the same weekday for 10 consecutive weeks. Serum samples were stored at -80 °C until analysis in duplicate in a single analytical run. The CVI and CVG were estimated by nested ANOVA...
July 2, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28626960/whole-blood-taurine-concentrations-in-cats-with-intestinal-disease
#19
A Kathrani, A J Fascetti, J A Larsen, C Maunder, E J Hall
BACKGROUND: Increased delivery of taurine-conjugated bile acids to the distal bowel can lead to dysbiosis resulting in colitis in mouse models of inflammatory bowel disease. A similar situation also could occur in cats with intestinal disease and might therefore result in decreased whole-body taurine concentration. HYPOTHESIS/OBJECTIVES: To determine whether whole-blood taurine concentrations are decreased at the time of diagnosis in cats with intestinal disease and to correlate concentrations with clinical and laboratory variables...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28618975/a-black-cohosh-extract-causes-hematologic-and-biochemical-changes-consistent-with-a-functional-cobalamin-deficiency-in-female-b6c3f1-n-mice
#20
Michelle C Cora, William Gwinn, Ralph Wilson, Debra King, Suramya Waidyanatha, Grace E Kissling, Sukhdev S Brar, Dorian Olivera, Chad Blystone, Greg Travlos
Black cohosh rhizome, available as a dietary supplement, is most commonly marketed as a remedy for dysmenorrhea and menopausal symptoms. A previous subchronic toxicity study of black cohosh dried ethanolic extract (BCE) in female mice revealed a dose-dependent ineffective erythropoiesis with a macrocytosis consistent with the condition known as megaloblastic anemia. The purpose of this study was to investigate potential mechanisms by which BCE induces these particular hematological changes. B6C3F1/N female mice (32/group) were exposed by gavage to vehicle or 1,000 mg/kg BCE for 92 days...
July 2017: Toxicologic Pathology
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