Results 21 to 30 of about 773,516 (423)

Vitamin B12—Multifaceted In Vivo Functions and In Vitro Applications

Nutrients, 2023
Vitamin B12 plays a key role in DNA stability. Research indicates that vitamin B12 deficiency leads to indirect DNA damage, and vitamin B12 supplementation may reverse this effect.
Krzysztof Halczuk, J. Kaźmierczak-Barańska, B. Karwowski, Aleksandra Karmańska, M. Cieślak   +4 more
semanticscholar   +1 more source

Vitamin B12 deficiency in a large cohort of healthcare professionals across the network of an eyecare organization in India

Indian Journal of Ophthalmology, 2022
Purpose: To evaluate Vitamin B12 levels in healthcare professionals at a tertiary eyecare centre in India. Methods: This was a cross-sectional study conducted among healthcare professionals working at a tertiary eyecare centre in India.
Sushma Nandyala, Ashik Mohamed, Archana Bhargava, Sunita Chaurasia, Sirisha Senthil, Pravin K Vaddavalli   +5 more
doaj   +1 more source

Associations of Serum Folate and Vitamin B12 Levels With Cardiovascular Disease Mortality Among Patients With Type 2 Diabetes

JAMA Network Open, 2022
Key Points Question Are serum folate and vitamin B12 levels associated with cardiovascular disease (CVD) mortality among patients with type 2 diabetes?
Yujie Liu, T. Geng, Z. Wan, Qi Lu, Xuena Zhang, Zixin Qiu, Lin Li, Kai Zhu, Liegang Liu, A. Pan, Gang Liu   +10 more
semanticscholar   +1 more source

Mechanistic Link between Vitamin B12 and Alzheimer’s Disease

Biomolecules, 2022
Alzheimer’s disease (AD) is the most common form of dementia in the elderly population, affecting over 55 million people worldwide. Histopathological hallmarks of this multifactorial disease are an increased plaque burden and tangles in the brains of ...
A. Lauer, H. Grimm, Birgit Apel, Nataliya Golobrodska, Lara Kruse, Elina Ratanski, Noemi Schulten, Laura Schwarze, Thomas Slawik, Saskia Sperlich, Antonia Vohla, M. Grimm   +11 more
semanticscholar   +1 more source

Vitamin B12 in Foods, Food Supplements, and Medicines—A Review of Its Role and Properties with a Focus on Its Stability

Molecules, 2022
Vitamin B12, also known as the anti-pernicious anemia factor, is an essential micronutrient totally dependent on dietary sources that is commonly integrated with food supplements.
Ž. Temova Rakuša, R. Roškar, N. Hickey, S. Geremia   +3 more
semanticscholar   +1 more source

Vitamin B12 – a scoping review for Nordic Nutrition Recommendations 2023

Food & Nutrition Research, 2023
Vitamin B12 (cobalamin) is essential for normal metabolic function, and even moderate deficiency of this vitamin has negative health effects. Vitamin B12 is found in animal foods, and as vegetarian diets are increasingly popular in Western countries, one
Anne-Lise Bjørke-Monsen, Vegard Lysne
doaj   +1 more source

Vitamin B12 status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls

Critical reviews in clinical laboratory sciences, 2021
Vitamin B12 (cobalamin) is an essential cofactor for two metabolic pathways. It is obtained principally from food of animal origin. Cobalamin becomes bioavailable through a series of steps pertaining to its release from dietary protein, intrinsic factor ...
A. Sobczyńska-Malefora, E. Delvin, A. McCaddon, K. Ahmadi, D. Harrington   +4 more
semanticscholar   +1 more source

Maternal Vitamin B12 Status During Pregnancy and Its Association With Outcomes of Pregnancy and Health of the Offspring: A Systematic Review and Implications for Policy in India

Frontiers in Endocrinology, 2021
Background Vitamins B12 and folate participate in the one-carbon metabolism cycle and hence regulate fetal growth. Though vitamin B12 deficiency is widely prevalent, the current public health policy in India is to supplement only iron and folic acid for ...
R. Behere, A. Deshmukh, S. Otiv, M. Gupte, C. Yajnik   +4 more
semanticscholar   +1 more source

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

Should we follow the guidelines on vitamin B12 deficiency and diabetes? A retrospective analysis of data from middle eastern population

Alexandria Journal of Medicine, 2023
Background Vitamin B12 is a micronutrient required for hematopoietic, neuro-cognitive and cardiovascular function. Biochemical and clinical vitamin B12 deficiency has been recognized in patients with type 2 diabetes mellitus.
Ahmed Kamal Swidan, Marwa Ahmed Salah Ahmed   +1 more
doaj   +1 more source