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For: Jeffery J, Millar H, Mackenzie P, Fahie-Wilson M, Hamilton M, Ayling RM. An IgG complexed form of vitamin B12 is a common cause of elevated serum concentrations. Clin Biochem 2009;43:82-8. [PMID: 19744472 DOI: 10.1016/j.clinbiochem.2009.08.022] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2009] [Revised: 08/20/2009] [Accepted: 08/22/2009] [Indexed: 10/20/2022]
Number Cited by Other Article(s)
1
Fedosov SN, Nexo E. Macro-B12 and Unexpectedly High Levels of Plasma B12: A Critical Review. Nutrients 2024;16:648. [PMID: 38474776 DOI: 10.3390/nu16050648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 02/12/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024]  Open
2
Lorde N, Parkes J, Sensi H, Valentine R, Baker M, Ford C, Kalaria T, Gama R. High serum total vitamin B12 may mask biologically active B12 deficiency. Ann Clin Biochem 2024:45632241236091. [PMID: 38407076 DOI: 10.1177/00045632241236091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
3
Guillerme J, Feugray G, Girot H, Brunel V, Muraine MQ. Preliminary evaluation of the diagnostic performance of Roche Elecsys® active vitamin B12 versus total vitamin B12 for vitamin B12 deficiency screening. Ann Clin Biochem 2024;61:55-62. [PMID: 37503639 DOI: 10.1177/00045632231194157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
4
Kocaoglu C, Akturk S. Just a vitamin? Should cobalamin (Vitamin B12) levels be checked in children with neurological disadvantages? North Clin Istanb 2023;10:790-796. [PMID: 38328734 PMCID: PMC10846572 DOI: 10.14744/nci.2022.33279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/20/2022] [Accepted: 12/13/2022] [Indexed: 02/16/2023]  Open
5
Delgado JA, Pastor García MI, Jiménez NM, Petit GC, Pablo Cànaves JA, Robles J, Bauça JM. Challenges in the diagnosis of hypervitaminemia B12. Interference by immunocomplexes. Clin Chim Acta 2023;541:117267. [PMID: 36805891 DOI: 10.1016/j.cca.2023.117267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/13/2023] [Accepted: 02/17/2023] [Indexed: 02/21/2023]
6
Duim SN, Vlasveld LT, Mezger STP, Mingels AMA, Ramakers CRB, de Boer D, Heil SG, Nexo E, van Rossum AP. "Macro transcobalamin causing raised vitamin B12: Case-based laboratory investigation". Ann Clin Biochem 2022;59:302-307. [PMID: 35352974 DOI: 10.1177/00045632221087132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
7
Wolffenbuttel BHR, Muller Kobold AC, Sobczyńska-Malefora A, Harrington DJ. Macro-B12 masking B12 deficiency. BMJ Case Rep 2022;15:15/1/e247660. [PMID: 35027389 PMCID: PMC8762123 DOI: 10.1136/bcr-2021-247660] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]  Open
8
Soleimani R, Favresse J, Roy T, Gruson D, Fillée C. Macro vitamin B12: an underestimated threat. Clin Chem Lab Med 2021;58:408-415. [PMID: 31665115 DOI: 10.1515/cclm-2019-0999] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 10/06/2019] [Indexed: 12/25/2022]
9
Lecerf M, Kanyavuz A, Rossini S, Dimitrov JD. Interaction of clinical-stage antibodies with heme predicts their physiochemical and binding qualities. Commun Biol 2021;4:391. [PMID: 33758329 PMCID: PMC7988133 DOI: 10.1038/s42003-021-01931-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/23/2021] [Indexed: 11/09/2022]  Open
10
Kather S, Sielski L, Dengler F, Jirasek A, Heilmann RM. Prevalence and clinical relevance of hypercobalaminaemia in dogs and cats. Vet J 2020;265:105547. [PMID: 33129556 DOI: 10.1016/j.tvjl.2020.105547] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Revised: 08/26/2020] [Accepted: 09/14/2020] [Indexed: 11/28/2022]
11
Vollbracht C, McGregor GP, Kraft K. Supraphysiological vitamin B12 serum concentrations without supplementation: the pitfalls of interpretation. QJM 2020;113:619-620. [PMID: 31251363 PMCID: PMC7550708 DOI: 10.1093/qjmed/hcz164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]  Open
12
Stenberg R, Böttiger A, Nilsson TK. High levels of vitamin B12 are fairly common in children with cerebral palsy. Acta Paediatr 2020;109:1493-1494. [PMID: 32056285 DOI: 10.1111/apa.15195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
13
Vollbracht C, Gündling PW, Kraft K, Friesecke I. Blood concentrations of vitamins B1, B6, B12, C and D and folate in palliative care patients: Results of a cross-sectional study. J Int Med Res 2019;47:6192-6205. [PMID: 31547720 PMCID: PMC7045681 DOI: 10.1177/0300060519875370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]  Open
14
Osborne D, Sobczyńska-Malefora A. Autoimmune mechanisms in pernicious anaemia & thyroid disease. Autoimmun Rev 2015;14:763-8. [PMID: 25936607 DOI: 10.1016/j.autrev.2015.04.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 04/23/2015] [Indexed: 12/15/2022]
15
Diagnosis of Vitamin B12 Deficiency in Patients With Myeloproliferative Disorders. J Investig Med 2015;63:636-40. [DOI: 10.1097/jim.0000000000000187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
16
Trehy MR, German AJ, Silvestrini P, Serrano G, Batchelor DJ. Hypercobalaminaemia is associated with hepatic and neoplastic disease in cats: a cross sectional study. BMC Vet Res 2014;10:175. [PMID: 25103858 PMCID: PMC4236818 DOI: 10.1186/s12917-014-0175-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 07/22/2014] [Indexed: 11/24/2022]  Open
17
Prentice KM, Gillespie R, Lewis N, Fujimori K, McCoy R, Bach J, Connell-Crowley L, Eakin CM. Hydroxocobalamin association during cell culture results in pink therapeutic proteins. MAbs 2013;5:974-81. [PMID: 23924851 DOI: 10.4161/mabs.25921] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]  Open
18
Mills F, Jeffery J, Mackenzie P, Cranfield A, Ayling RM. An immunoglobulin G complexed form of thyroid-stimulating hormone (macro thyroid-stimulating hormone) is a cause of elevated serum thyroid-stimulating hormone concentration. Ann Clin Biochem 2013;50:416-20. [DOI: 10.1177/0004563213476271] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
19
Ryg J, Nybo M, Hallas J. Cancer incidence in persons with elevated cobalamin levels. Eur J Clin Invest 2013;43:557-61. [PMID: 23550564 DOI: 10.1111/eci.12076] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 02/28/2013] [Indexed: 11/28/2022]
20
Sturgeon CM, Viljoen A. Analytical error and interference in immunoassay: minimizing risk. Ann Clin Biochem 2011;48:418-32. [DOI: 10.1258/acb.2011.011073] [Citation(s) in RCA: 137] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
21
Carmel R. Biomarkers of cobalamin (vitamin B-12) status in the epidemiologic setting: a critical overview of context, applications, and performance characteristics of cobalamin, methylmalonic acid, and holotranscobalamin II. Am J Clin Nutr 2011;94:348S-358S. [PMID: 21593511 PMCID: PMC3174853 DOI: 10.3945/ajcn.111.013441] [Citation(s) in RCA: 162] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]  Open
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