Results 211 to 220 of about 431,419 (259)

Vitamin B, 12 Deficiency in the Elderly

Clinics in Geriatric Medicine, 1985
Vitamin B 12 deficiency is usually a disease of older persons, and much controversy has surrounded the significance of the deficiency of this vitamin in these patients. This article explores the mechanism of action of vitamin B 12, the clinical and laboratory features of vitamin B 12 deficiency, and a rational treatment plan.
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The Production of Vitamin B 12 in the Horse

British Veterinary Journal, 1971
SUMMARY The concentration of vitamin B 12 in the contents of the alimentary tract of the horse was found to increase from stomach to rectum. Micro-organisms which produced vitamin B 12 in the different regions of the tract were isolated and identified as far as possible.
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Vitamin B 12.

Science (New York, N.Y.), 1971
In spite of the considerable progress made in recent years toward the understanding of the chemistry and biological function of the cobalt-containing B(12) group of compounds, much of the information still is more descriptive than definitive in nature.
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Biosynthesis of vitamin B-12 Part I. Role of the ribosomal proteins in vitamin B-12 biosynthesis

Biochimica et Biophysica Acta (BBA) - General Subjects, 1981
1. 70 S ribosomes isolated from strains of Escherichia coli 113-3, K12 and B take part in vitamin B-12 biosynthesis from AdoCbi-GDP, NAD and dimethylbenzimidazole in the presence of enzymes of the cytosol fraction. 2. 70 S ribosomes from E.coli 113-3 bind Ado[58Co]Cbi-GDP. This reaction is independent of fusidic acid. 3.
E, Pezacka, W, Walerych
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Vitamin B-12 deficiency

Seminars in Nuclear Medicine, 1981
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B-12 Vitamin And Infertility

2014
Özet: Dünyada infertilite önemli bir problemdir. Her infertilite vakasının etyolojisi tam olarak bilinememektedir. Açıklanamayan infertilite vakalarında pahalı, invaziv, ağrılı bir metod olan ÜYT (Üremeye Yardımcı Teknikler) uygulanmaktadır ve hepsinde başarı sağlanamamaktadır.B 12 eksikliğinin infertilitede rolü olduğu ve tedavisi ile ucuz, kolay ...
Yavuz Avşar, Ayşe, Taş, Emre, Akçay, Gülin   +2 more
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Vitamin D, disease and therapeutic opportunities

Nature Reviews Drug Discovery, 2010
Hector Deluca, Lori A Plum, Plum Lori A
exaly  

Modulation of the immune system by UV radiation: more than just the effects of vitamin D?

Nature Reviews Immunology, 2011
Prue Hart, Shelley Gorman, John J Finlay-Jones   +2 more
exaly  

Kidney disease and vitamin D levels: 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, and VDR activation

Kidney International Supplements, 2011
Adriana S Dusso
exaly  

New aspects of vitamin D metabolism and action — addressing the skin as source and target

Nature Reviews Endocrinology, 2020
Sylvia Christakos, Daniel Bikle, Bikle Daniel   +2 more
exaly