The world's first wiki where authorship really matters (Nature Genetics, 2008). Due credit and reputation for authors. Imagine a global collaborative knowledge base for original thoughts. Search thousands of articles and collaborate with scientists around the globe.

wikigene or wiki gene protein drug chemical gene disease author authorship tracking collaborative publishing evolutionary knowledge reputation system wiki2.0 global collaboration genes proteins drugs chemicals diseases compound
Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
MeSH Review

Vitamin B 12 Deficiency

Welcome! If you are familiar with the subject of this article, you can contribute to this open access knowledge base by deleting incorrect information, restructuring or completely rewriting any text. Read more.

Disease relevance of Vitamin B 12 Deficiency


Psychiatry related information on Vitamin B 12 Deficiency


High impact information on Vitamin B 12 Deficiency


Chemical compound and disease context of Vitamin B 12 Deficiency


Biological context of Vitamin B 12 Deficiency


Anatomical context of Vitamin B 12 Deficiency


Gene context of Vitamin B 12 Deficiency


Analytical, diagnostic and therapeutic context of Vitamin B 12 Deficiency


  1. Abnormal erythrocyte membrane protein pattern in severe megaloblastic anemia. Ballas, S.K. J. Clin. Invest. (1978) [Pubmed]
  2. Vitamin B12 deficiency and multiple sclerosis. Ransohoff, R.M., Jacobsen, D.W., Green, R. Lancet (1990) [Pubmed]
  3. Optic neuropathy in vitamin B12 deficiency. Theodoropoulos, D.S. Lancet (1998) [Pubmed]
  4. Erythropoiesis during recovery from macrocytic anemia: macrocytes, normocytes, and microcytes. Bessman, D. Blood (1977) [Pubmed]
  5. Late effects in long-term survivors of high-grade non-Hodgkin's lymphomas. Haddy, T.B., Adde, M.A., McCalla, J., Domanski, M.J., Datiles, M., Meehan, S.C., Pikus, A., Shad, A.T., Valdez, I., Lopez Vivino, L., Magrath, I.T. J. Clin. Oncol. (1998) [Pubmed]
  6. Incidence and causes of nondegenerative nonvascular dementia: a population-based study. Knopman, D.S., Petersen, R.C., Cha, R.H., Edland, S.D., Rocca, W.A. Arch. Neurol. (2006) [Pubmed]
  7. Catatonia and other psychiatric symptoms with vitamin B12 deficiency. Berry, N., Sagar, R., Tripathi, B.M. Acta psychiatrica Scandinavica. (2003) [Pubmed]
  8. Total serum homocysteine in senile dementia of Alzheimer type. McCaddon, A., Davies, G., Hudson, P., Tandy, S., Cattell, H. International journal of geriatric psychiatry. (1998) [Pubmed]
  9. Vitamin B12 deficiency. Recognizing subtle symptoms in older adults. Dharmarajan, T.S., Adiga, G.U., Norkus, E.P. Geriatrics. (2003) [Pubmed]
  10. The neuropsychiatry of megaloblastic anaemia. Shorvon, S.D., Carney, M.W., Chanarin, I., Reynolds, E.H. British medical journal. (1980) [Pubmed]
  11. Shaky-leg syndrome and vitamin B12 deficiency. Benito-León, J., Porta-Etessam, J. N. Engl. J. Med. (2000) [Pubmed]
  12. Oral or parenteral therapy for vitamin B12 deficiency. Freeman, A.G. Lancet (1999) [Pubmed]
  13. Optic neuropathy in vitamin B12 deficiency. de Letona, J.M. Lancet (1998) [Pubmed]
  14. Incidence and pathogenesis of acute megaloblastic bone-marrow change in patients receiving intensive care. Amos, R.J., Amess, J.A., Hinds, C.J., Mollin, D.L. Lancet (1982) [Pubmed]
  15. Megaloblastic haemopoiesis in patients receiving nitrous oxide. Amess, J.A., Burman, J.F., Rees, G.M., Nancekievill, D.G., Mollin, D.L. Lancet (1978) [Pubmed]
  16. Folate supplementation and the risk of masking vitamin B12 deficiency. Brantigan, C.O. JAMA (1997) [Pubmed]
  17. Urinary methylmalonic acid to detect vitamin B12 deficiency. Norman, E.J. JAMA (1995) [Pubmed]
  18. Folic acid fortification of the food supply. Potential benefits and risks for the elderly population. Tucker, K.L., Mahnken, B., Wilson, P.W., Jacques, P., Selhub, J. JAMA (1996) [Pubmed]
  19. Letter: Ascorbic acid and vitamin B12 deficiency. Hines, J.D. JAMA (1975) [Pubmed]
  20. Oral or parenteral therapy for vitamin B12 deficiency. Snowden, J.A., Chan-Lam, D., Thomas, S.E., Ng, J.P. Lancet (1999) [Pubmed]
  21. Images in clinical medicine. Vitamin B12 deficiency. Moll, S. N. Engl. J. Med. (1996) [Pubmed]
  22. The neurology of vitamin B12 deficiency. Metabolic mechanisms. Reynolds, E.H. Lancet (1976) [Pubmed]
  23. Characteristic abnormality of deoxyribonucleoside triphosphate metabolism in megaloblastic anemia. Iwata, N., Omine, M., Yamauchi, H., Maekawa, T. Blood (1982) [Pubmed]
  24. Pantothenic acid in health and disease. Tahiliani, A.G., Beinlich, C.J. Vitam. Horm. (1991) [Pubmed]
  25. Hemoglobin A2 levels in health and various hematologic disorders. Alperin, J.B., Dow, P.A., Petteway, M.B. Am. J. Clin. Pathol. (1977) [Pubmed]
  26. Reticulocyte size in nutritional anemias. Clarkson, D.R., Moore, E.M. Blood (1976) [Pubmed]
  27. Effect of folic acid and vitamin B12 deficiencies on 5-hydroxyindoleacetic acid in human cerebrospinal fluid. Botez, M.I., Young, S.N., Bachevalier, J., Gauthier, S. Ann. Neurol. (1982) [Pubmed]
  28. Organic psychosis without anemia or spinal cord symptoms in patients with vitamin B12 deficiency. Evans, D.L., Edelsohn, G.A., Golden, R.N. The American journal of psychiatry. (1983) [Pubmed]
  29. Vitamin B12 deficiency in patients with ileocolic neobladders. Steiner, M.S., Morton, R.A., Marshall, F.F. J. Urol. (1993) [Pubmed]
  30. Compartmentation of folate metabolism in rat pancreas: nitrous oxide inactivation of methionine synthase leads to accumulation of 5-methyltetrahydrofolate in cytosol. Horne, D.W., Holloway, R.S. J. Nutr. (1997) [Pubmed]
  31. Serum form of the erythropoietin receptor identified by a sequence-specific peptide antibody. Baynes, R.D., Reddy, G.K., Shih, Y.J., Skikne, B.S., Cook, J.D. Blood (1993) [Pubmed]
  32. Homocysteine, methylenetetrahydrofolate reductase C677T polymorphism and the B-vitamins: a facet of nature-nurture interplay. Herrmann, W., Obeid, R., Schorr, H., Zarzour, W., Geisel, J. Clin. Chem. Lab. Med. (2003) [Pubmed]
  33. Studies of the mechanism by which hepatic citrate synthase activity increases in vitamin B12 deprivation. Mukherjee, A., Srere, P.A., Frenkel, E.P. J. Biol. Chem. (1976) [Pubmed]
  34. Multiple sclerosis associated with vitamin B12 deficiency. Reynolds, E.H., Linnell, J.C., Faludy, J.E. Arch. Neurol. (1991) [Pubmed]
  35. Coma and axonal degeneration in vitamin B12 deficiency. Kosik, K.S., Mullins, T.F., Bradley, W.G., Tempelis, L.D., Cretella, A.J. Arch. Neurol. (1980) [Pubmed]
  36. Elevated methylmalonic acid and total homocysteine levels show high prevalence of vitamin B12 deficiency after gastric surgery. Sumner, A.E., Chin, M.M., Abrahm, J.L., Berry, G.T., Gracely, E.J., Allen, R.H., Stabler, S.P. Ann. Intern. Med. (1996) [Pubmed]
  37. Enteral vitamin B12 supplements reverse postgastrectomy B12 deficiency. Adachi, S., Kawamoto, T., Otsuka, M., Todoroki, T., Fukao, K. Ann. Surg. (2000) [Pubmed]
  38. Helicobacter pylori--is it a novel causative agent in Vitamin B12 deficiency? Kaptan, K., Beyan, C., Ural, A.U., Cetin, T., Avcu, F., Gülşen, M., Finci, R., Yalçín, A. Arch. Intern. Med. (2000) [Pubmed]
  39. Cobalamin profiles in patients after urinary diversion. Sagalowsky, A.I., Frenkel, E.P. J. Urol. (2002) [Pubmed]
WikiGenes - Universities