Results 21 to 30 of about 813,774 (373)

Microbial and Genetic Resources for Cobalamin (Vitamin B12) Biosynthesis: From Ecosystems to Industrial Biotechnology

International Journal of Molecular Sciences, 2021
Many microbial producers of coenzyme B12 family cofactors together with their metabolically interdependent pathways are comprehensively studied and successfully used both in natural ecosystems dominated by auxotrophs, including bacteria and mammals, and ...
L. Balabanova, L. Averianova, Maksim Marchenok, O. Son, L. Tekutyeva   +4 more
semanticscholar   +1 more source

Bi-directional causal effect between vitamin B12 and non-alcoholic fatty liver disease: Inferring from large population data

Frontiers in Nutrition, 2023
ObjectivesMany observational studies evaluate the association between vitamin B12 and non-alcoholic fatty liver disease (NAFLD). However, the causality of this association remains uncertain, especially in European populations.
Liwan Fu, Yuquan Wang, Yue-Qing Hu, Yue-Qing Hu   +3 more
doaj   +1 more source

Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression

Nutrients, 2021
Vitamin B12 is often used to improve cognitive function, depressive symptoms, and fatigue. In most cases, such complaints are not associated with overt vitamin B12 deficiency or advanced neurological disorders and the effectiveness of vitamin B12 ...
Stefan Markun, I. Gravestock, Levy Jäger, T. Rosemann, G. Pichierri, J. Burgstaller   +5 more
semanticscholar   +1 more source

High Plasma Vitamin B12 and Cancer in Human Studies: A Scoping Review to Judge Causality and Alternative Explanations

Nutrients, 2022
Patients with cancer have been reported to show elevated plasma concentrations of vitamin B12, thus causing uncertainties regarding safety of vitamin B12.
R. Obeid
semanticscholar   +1 more source

The role of vitamin B12 in viral infections: a comprehensive review of its relationship with the muscle–gut–brain axis and implications for SARS-CoV-2 infection

Nutrition reviews, 2021
This comprehensive review establishes the role of vitamin B12 as adjunct therapy for viral infections in the treatment and persistent symptoms of COVID-19, focusing on symptoms related to the muscle–gut–brain axis.
K. S. Batista, Vanessa M. Cintra, Paulo Lucena, R. Manhães-de-Castro, A. Toscano, L. Costa, M. Queiroz, Suellen M de Andrade, O. Guzmán-Quevedo, J. D. S. Aquino   +9 more
semanticscholar   +1 more source

Deficiencies of the microelements, folate and vitamin B12 in women of the child bearing ages in Gorgan, Northern Iran [PDF]

, 2013
Background: The deficiencies of folic acid, vitamin B12, and microelements during pregnancy may affect the health of newborns. Objectives: To assess the serum levels of folate, vitamin B12, iron, zinc and copper in healthy women of the childbearing ages ...
Behnampour, N., Jafar Golalipour, M., Sedehi, M.   +2 more
core   +1 more source

Çocuklarda vitamin B12 düzeyleri ile tam kan parametreleri arasındaki ilişkinin değerlendirilmesi

Journal of Contemporary Medicine, 2020
Amaç: Vitamin B12 insan vücudunda üretilemeyen ve sadece hayvansal gıdalar ile alınan bir vitamindir. Vitamin B12 DNA sentezinde önemli rol oynar ve eksikliğinde DNA sentezi bozulur. Sonuç olarak megaloblastik anemi gelişir.
Ömer Kartal, Orhan Gürsel
doaj   +1 more source

Resistance imparted by vitamin C, vitamin e and vitamin B12 to the acute hepatic glycogen change in rats caused by noise. [PDF]

, 2006
The effects of vitamin C, vitamin E and vitamin B12 on the noise-induced acute change in hepatic glycogen content in rats were investigated. The exposure of rats to 95 dB and 110 dB of noise acutely reduced their hepatic glycogens.
An, Qing-Da, Han, Song, Murata, Yoshiyuki, Piao, Mei-Lan, Tada, Mikiro, Zhang, Yu, Zhu, Bei-Wei   +6 more
core   +1 more source

Inherited and acquired vitamin B12 deficiencies: Which administration route to choose for supplementation?

Frontiers in Pharmacology, 2022
Vitamin B12 or cobalamin deficiency is a commonly encountered clinical scenario and most clinicians will have familiarity prescribing Vitamin B12 to treat their patients.
Ramyia Elangovan, Julien Baruteau, Julien Baruteau, Julien Baruteau   +3 more
doaj   +1 more source

Effectiveness of the National Program of Complementary Feeding for older adults in Chile on vitamin B12 status in older adults; secondary outcome analysis from the CENEX Study (ISRCTN48153354). [PDF]

, 2013
BACKGROUND: Older people are at increased risk of vitamin B12 deficiency and the provision of fortified foods may be an effective way to ensure good vitamin B12 status in later life.
Albala, Cecilia, Dangour, Alan D, Lera, Lydia, Sanchez, Hugo, Uauy, Ricardo   +4 more
core   +1 more source