Results 31 to 40 of about 79,292,901 (294)

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

Screening for metabolic vitamin B-12 deficiency by holotranscobalamin in patients suspected of vitamin B-12 deficiency: a multicentre study [PDF]

, 2012
Background: Vitamin B-12 deficiency occurs frequently, especially among the elderly. However, screening for vitamin B-12 deficiency is hampered by poor sensitivity of the existing total vitamin B-12 assay.
Heil, Sandra, Kobold, ACM, Wijnen, M, Rammeloo, T, Rotte, Maurits, Heiner-Fokkema, RMR, Pekelharing, JMM, Trienekens, PH, Sanders, Edward, Adriaansen, HJ, Jonge, R, Lindeman, J   +11 more
core   +2 more sources

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

A new indicator of cobalamin deficiency

Practical Laboratory Medicine
Introduction: We designed a new indicator of cobalamin deficiency, a condition that sometimes can be difficult to diagnose. Materials and methods: The new indicator is a combination of the plasma concentrations of cobalamin (P-cobalamin) and ...
Arne Åsberg, Øyvind Skadberg
doaj   +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

Idiopathic autoimmune hemolytic anemia along with concomitant vitamin B12 deficiency in an adolescent girl: A rare occurrence

Journal of Family Medicine and Primary Care, 2020
Vitamin B12 deficiency is seen in countries like India mainly because of predominantly vegetarian diet and is a significant health problem. Patients present with various neurological and hematological manifestations of megaloblastic anemia.
Kapil Bhalla, Nisha Verma, Sanjiv Nanda, Ashish Gupta, Shuchi Mehra   +4 more
doaj   +1 more source

B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review [PDF]

, 2016
The B-vitamins comprise a group of eight water soluble vitamins that perform essential, closely inter-related roles in cellular functioning, acting as co-enzymes in a vast array of catabolic and anabolic enzymatic reactions.
Kennedy, David, David Kennedy
core   +1 more source

Association of vitamin D, B-12 and Calcium levels in middle age women presenting with body aches and pains Vitamin D, B-12 and Calcium levels in aches and pains

Pakistan Armed Forces Medical Journal
Objective: To determine the association of vitamin D, B-12 and Calcium levels in middle age women presenting with body aches and pains Study Design: Comparative cross-sectional study Place and Duration of Study: General medicine department, Pak ...
Syed Sarosh Jamal Peerzada, Khurram Haq Nawaz, Muhammad Zahid Hussain, Hamad Khan, Syed Umer Shah, Hamid Mukhtar Butt   +5 more
doaj   +1 more source

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

Prevalence of vitamin B deficiency among metformin-treated type 2 diabetic patients in a tertiary institution, South-South Nigeria

SAGE Open Medicine, 2019
Background: The risk of chronic metformin pharmacotherapy to cause vitamin B 12 deficiency and its associated medical complications has been of immense concern among diabetic patients.
Sampson Omagbemi Owhin, Tomisin Mathew Adaja, Olumuyiwa John Fasipe, Peter Ehizokhale Akhideno, Olufunto Olufela Kalejaiye, Michael Olufemi Kehinde   +5 more
doaj   +1 more source