Results 31 to 40 of about 914,474 (306)

Sharing Vitamin B₁₂ between Bacteria and Microalgae Does Not Systematically Occur: Case Study of the Haptophyte Tisochrysis lutea

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, Simon Dittami, Raymond Kaas, Enora Briand, Cyril Noël, Francis Mairet, Matthieu Garnier   +6 more
doaj   +1 more source

The Role of Vitamin B in the Management and Optimization of Treatment in Patients With Degenerative Cervical Myelopathy

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, Kishan Patel BA, Julio Montejo BA, Rani Nasser MD, David A. Gimbel MD, Daniel M. Sciubba MD, Joseph S. Cheng MD, MS, FAANS, FACS   +6 more
doaj   +1 more source

Sub-optimal vitamin B-12 levels among ART-naïve HIV-positive individuals in an urban cohort in Uganda.

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, Damalie Nakanjako, Henry Ddungu, Andrew Kambugu, Yukari C Manabe, Robert Colebunders   +5 more
doaj   +1 more source

Food Groups Associated with a Composite Measure of Probability of Adequate Intake of 11 Micronutrients in the Diets of Women in Urban Mali [PDF]

, 2010
The prevalence of micronutrient deficiency is high among women of reproductive age living in urban Mali. Despite this, there are little data on the dietary intake of micronutrients among women of reproductive age in Mali.
Ahn, Allen, Arimond, Barikmo, Becquey, Block, Chiara Seghieri, Daniels, Daniels, FAO/WHO, Foote, Frans J. Kok, Gibson, Gina Kennedy, Hatloy, Inge D. Brouwer, International Zinc Nutrition Consultative Group, IOM, IOM, IOM, IOM, Joseph, Kennedy, Kennedy, Koreissi, Mary Arimond, Nadia Fanou-Fogny, Romain Dossa, Ruel, Ruel, Sodjinou, Solomons, StataCorp, Steyn, Torheim, UNICEF, United Nations Administrative Committee on Coordination/Subcommittee on Nutrition in collaboration with the International Food Policy Research Institute, WHO, WHO/FAO, WHO/FAO, Wiesmann, Working Group on Infant and Young Child Feeding Indicators, Yara Koreissi   +42 more
core   +2 more sources

BluB/CobT2 fusion enzyme activity reveals mechanisms responsible for production of active form of vitamin B 12 by Propionibacterium freudenreichii [PDF]

, 2015
Background Propionibacterium freudenreichii is a food grade bacterium that has gained attention as a producer of appreciable amounts of cobalamin, a cobamide with activity of vitamin B 12 .
Chamlagain, Bhawani Shankar, Deptula, Paulina, Holm, Liisa Ulrika Teodora, Kostiainen, Risto Kalervo, Kylli, Petri Tapio, Piironen, Vieno Irene, Savijoki, Kirsi Kristiina, Varmanen, Pekka Kristian   +7 more
core   +1 more source

A study of clinical profile of vitamin B 12 deficiency with special reference to dermatologic manifestations in a Tertiary Care Hospital in sub-Himalayan Bengal

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, Pradyot Sinhamahapatra, Joseph Lalhmachhuana, Subhabrata Ray   +3 more
doaj   +1 more source

14C-Cobalamin Absorption from Endogenously Labeled Chicken Eggs Assessed in Humans Using Accelerator Mass Spectrometry. [PDF]

, 2019
Traditionally, the bioavailability of vitamin B-12 (B12) from in vivo labeled foods was determined by labeling the vitamin with radiocobalt (57Co, 58Co or 60Co).
Allen, Lindsay H, Buchholz, Bruce A, Calvert, Christopher C, Garrod, Marjorie G, Green, Ralph, Miller, Joshua W, Rossow, Heidi A   +6 more
core   +2 more sources

VITAMIN B 12 DEFICIENCY MIMICKING THROMBOTIC MICROANGIOPATHY: A CASE REPORT

Hematology, Transfusion and Cell Therapy, 2022
Objective: Vitamin B12 has an important role in DNA synthesis, erythrocyte development and neurological functions by the transfer of one-carbon methyl groups.
Müzeyyen Aslaner Ak, Selime Yiğit, Gizem Süren, Şehmus Ertop   +3 more
doaj   +1 more source

Macrocyclic cyanocobalamin (vitamin B12) as a homogeneous electrocatalyst for water oxidation under neutral conditions

, 2020
Highly water-soluble cyanocobalamin (also known as vitamin B-12) is the most structurally macrocyclic complex comprising cobalt in the center of a corrin ring.
Ahmad, Nazir, Shahadat, Hossain M, Verpoort, Francis, Younus, Hussein A, Zhang, Shiguo, Zhuiykov, Serge   +5 more
core   +1 more source

Vitamin B-12 status during pregnancy and child's IQ at age 8: a Mendelian randomization study in the Avon longitudinal study of parents and children.

PLoS ONE, 2012
Vitamin B-12 is essential for the development and maintenance of a healthy nervous system. Brain development occurs primarily in utero and early infancy, but the role of maternal vitamin B-12 status during pregnancy on offspring cognitive function is ...
Carolina Bonilla, Debbie A Lawlor, Amy E Taylor, David J Gunnell, Yoav Ben-Shlomo, Andrew R Ness, Nicholas J Timpson, Beate St Pourcain, Susan M Ring, Pauline M Emmett, A David Smith, Helga Refsum, Craig E Pennell, Marie-Jo Brion, George Davey Smith, Sarah J Lewis   +15 more
doaj   +1 more source