Results 11 to 20 of about 428,740 (258)
Characterization of Vitamin B12 Compounds in Fermented Poultry Manure Fertilizers
Agriculture, 2021 (1) Background: Currently, no data are available on the vitamin B12 content of an organic fertilizer product, viz. fermented poultry manure, or whether the organic fertilizer product contains vitamin B12 or inactive corrinoids (or both).
Hiromi Katsura +4 more
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Vitamin B complex and vitamin B 12 levels after peripheral nerve injury
Neural Regeneration Research, 2016 The aim of the present study was to evaluate whether tissue levels of vitamin B complex and vitamin B 12 were altered after crush-induced peripheral nerve injury in an experimental rat model.
Idiris Altun, Ergül Belge Kurutaş
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Advances in Nutrition, 2010 Vitamin B-12 is a cofactor for 2 enzymes. In the cytoplasm, methionine synthase requires vitamin B-12 in the form of methylcobalamin and catalyzes the conversion of homocysteine to methionine by transfer of a methyl group from methyltetrahydrofolate. This enzyme links the methylation pathway through synthesis of the methyl donor S-adenosyl methionine ...
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Metabolites, 2019 Vitamin B12 deficiency leads to various symptoms such as neuropathy, growth retardation, and infertility. Vitamin B12 functions as a coenzyme for two enzymes involved in amino acid metabolisms.
Tomohiro Bito +6 more
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Arquivos de Neuro-Psiquiatria, 2022 Background It is believed that vitamin B12 deficiency and hyperhomocysteinemia cause endothelial cell damage by increasing the levels of free oxygen radicals, which may, in turn, be related to the onset of migraine episodes. Objective The objective of
Sibel Üstün Özek
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Vitamin B-12 and cognition in the elderly [PDF]
The American Journal of Clinical Nutrition, 2009 Vitamin B-12 deficiency is often associated with cognitive deficits. Here we review evidence that cognition in the elderly may also be adversely affected at concentrations of vitamin B-12 above the traditional cutoffs for deficiency. By using markers such as holotranscobalamin and methylmalonic acid, it has been found that cognition is associated with ...
Smith, A, Refsum, H
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Microorganisms, 2022 Haptophyte microalgae are key contributors to microbial communities in many environments. It has been proposed recently that members of this group would be virtually all dependent on vitamin B12 (cobalamin), an enzymatic cofactor produced only by some ...
Charlotte Nef +6 more
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Global Spine Journal, 2019 Study Design: Narrative review. Objectives: To discuss the relationship between degenerative cervical myelopathy (DCM) and vitamin B 12 deficiency. Specifically, it is the aim to outline the rational for future research into assessment and therapeutic ...
Aria Nouri MD, MSc +6 more
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PLoS ONE, 2012 Malnutrition is common among HIV-infected individuals and is often accompanied by low serum levels of micronutrients. Vitamin B-12 deficiency has been associated with various factors including faster HIV disease progression and CD4 depletion in resource ...
Aggrey S Semeere +5 more
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Indian Journal of Dermatology, 2015 Background: Vitamin B 12 deficiency is thought to be uncommon in the eastern parts of India including Bengal and the eastern states as compared to the northern and southern parts of India.
Kaushik Sen +3 more
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