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CLAUSEN J, MUNKNER T. CALCIUM AND VITAMIN B12 BINDING TO PROTEINS IN HUMAN SERUM AND CEREBROSPINAL FLUID. ACTA ACUST UNITED AC 2009; 54:129-35. [PMID: 13879811 DOI: 10.1111/j.1699-0463.1962.tb01231.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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GABUZDA TG, WORM-PETERSEN J, LOUS P. The Binding of Vitamin B12 Added in Vitro and in Vivo to Normal Human Serum Proteins Separated on Ion Exchange Cellulose. ACTA ACUST UNITED AC 2009; 2:61-6. [PMID: 14293616 DOI: 10.1111/j.1600-0609.1965.tb01279.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hom BL, Ahluwalia BK. The vitamin B12 binding capacity of transcobalamin I and II of normal human serum. SCANDINAVIAN JOURNAL OF HAEMATOLOGY 2009; 5:64-74. [PMID: 4174292 DOI: 10.1111/j.1600-0609.1968.tb01719.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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MEYER LM, BERTCHER RW, CRONKITE EP, SUAREZ RM, MILLER IF, MULZAC CW, OLIVARRETA ST. Co60 Vitamin B12 Binding Capacity of Serum in Persons with Hematologic Disorders, Various Medical Diseases and Neoplasms. ACTA ACUST UNITED AC 2009; 169:557-75. [PMID: 13770008 DOI: 10.1111/j.0954-6820.1961.tb07866.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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OLSSON I, GAHRTON G, NORDEN A. Serum Vitamin B12 Determinations and Cytochemical Reactions in the Differential Diagnosis of Acute Leukaemia1. ACTA ACUST UNITED AC 2009; 174:105-14. [PMID: 14042459 DOI: 10.1111/j.0954-6820.1963.tb07897.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lindstrand K, Ståhlberg KG, Ehrensvärd G, Nordén ÅK. Studies on Free and Serum Protein-bound Vitamin B12 by the Use of Sephadex G 25 and High Voltage Electrophoresis1. ACTA ACUST UNITED AC 2009. [DOI: 10.1111/j.0954-6820.1963.tb17444.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Haurani FI. Cobalamins and folates as seen through inborn errors of metabolism: a review and perspective. VITAMINS AND HORMONES 2001; 60:353-81. [PMID: 11037629 DOI: 10.1016/s0083-6729(00)60024-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- F I Haurani
- Cardeza Foundation for Hematologic Research, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA
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Jacob E, Wong KT. Limitations of protein-coated charcoal in the separation of free from bound vitamin B12 in serum. J Clin Pathol 1983; 36:1022-7. [PMID: 6886019 PMCID: PMC498463 DOI: 10.1136/jcp.36.9.1022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The effect of haemoglobin and albumin-coated charcoal on the concentration of vitamin B12 binding proteins in serum has been investigated. As commonly employed, coated charcoal removes a significant amount of transcobalamin II (TCII) from serum, but does not affect transcobalamin I and III (TCI and III). Increasing the protein coat up to about 10 mg of protein per 25 mg of charcoal reduces the adsorption of TCII, but increasing the protein concentration beyond this has little added effect. The amount of adsorption is proportional to the amount of coated charcoal employed, but even small amounts adsorb some TCII. These results indicate that protein-coated charcoal is not the ideal way of separating free from bound vitamin B12 in serum; it cannot reliably be used for the measurement of the concentration of apo-TCII but can be employed for the measurement of apo-TCI and III.
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Malin MJ, Mihalik MC, Sclafani L. Determination of hematocrit based on diffusion of an inert molecular probe from agarose gels into whole blood. Anal Biochem 1983; 129:434-45. [PMID: 6846840 DOI: 10.1016/0003-2697(83)90574-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Whole blood hematocrit was determined by an approach which depends on the diffusion of an inert probe, to which red blood cells are impermeable, from a small agarose gel into a stirred, much larger blood sample. Blood cells influence the diffusion rate of the probe by, on the average, physically blocking a fraction of the gel surface. The blocking effect increases with the hematocrit. Cyanocobalamin (B-12) was found to be a suitable probe because it did not penetrate, bind to, or lyse blood cells and was not bound by plasma solutes. The loss of B-12 from gels in contact with blood was monitored by determination of the absorbance change at 540 nm of gels which had been quickly rinsed. The visible spectrum of B-12 in agarose gels was identical to the spectrum in water. Beer's Law was obeyed in 1-mm thick agarose gels over a concentration range of 0.1-0.8 mM. Based on the results from 48 blood samples covering the hematocrit range 25-69, a least-squares line was generated with a slope, -3.46 X 10(-3) delta A/hematocrit unit, a Y intercept of 0.295, and a correlation coefficient of 0.971. The precision of the technique was +/- 9.7%. The assay was insensitive to mean corpuscular volume and sample volume as long as the latter was 50-fold larger than the gel volume. The diffusion coefficient for B-12 in 1% agarose gels was found to be 1.4 +/- 0.2 X 10(-6) cm2 sec-1.
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Abstract
The measurement of plasma or serum vitamin B12 (B12) binders is important in the diagnosis of congenital megaloblastic anemias, the myeloproliferative disorders and perhaps in other malignancies. Two classes of binders circulate in plasma, Transcobalamin II (TC II) and R-binders. The latter have been divided by some authors into transcobalamin I (TC I) and transcobalamin III (TC III), and the validity of this division is discussed. R-binders and TC II differ in their apparent molecular weight on gel filtration chromatography, by which method they can be separated reliably. However, the technique is time-consuming and cumbersome and a variety of rapid separation methods have been described in the literature. These are discussed and compared to the standard gel filtration separation method. TC I and III are separable on the basis of their differing charges, and the methods which have been described for accomplishing this are compared and critically reviewed. There has been some controversy in the literature as to whether plasma or serum should be used to measure circulating B12 binders. Leukocytes, which contain R-binders, release these in vitro and this release is greatest when blood is allowed to clot and the serum separated. Consequently, the use of plasma, sometimes with agents added to prevent leukocytic release of binder, has been advocated. Yet, none of the agents used eliminates artifact totally, and this aspect, too, is reviewed. Lastly, several techniques for the purification of B12 binders have been described. Some techniques result in pure binder preparations, while others result in preparations which are free of other binders but contaminated with non-B12 binding proteins. Both approaches have advantages and disadvantages, and these are discussed.
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Abstract
Although readily treatable with vitamin B12, pernicious anemia continues to captivate investigative endeavors of those interested in the pathophysiology and pathogenesis of this disorder. Notable advances have been made in understanding properties of intrinsic factor, vitamin B12-binding proteins, structure and de novo synthesis of vitamin B12, mechanism of action of vitamin B12-dependent enzymes in man, and metabolic consequences of reduced activities of these enzymes in pernicious anemia. Similarly, newer morphological observations have given information regarding pathogenesis of some of the cytological abnormalities found in megaloblasts, and recent cytochemical studies have shed light on abnormalities of nuclear and cytoplasmic constituents in vitamin B12-deficient cells. Both cellular and humoral factors may contribute to immune-mediated processes in pernicious anemia, although as yet, it has not been established with certainty that pernicious anemia is an autoimmune disorder. As we look ahead, it will be important to define the process or processes responsible for atrophic gastritis, which is the pathophysiological basis of pernicious anemia. Likewise, advances in biophysics used in the study of cell membranes, cell surface phenomena, and metallic ion transport may find applicability in the study of pernicious anemia and perhaps provide further insights into metabolic abnormalities responsible for the development of megaloblastosis.
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Affiliation(s)
- L Kass
- Department of Internal Medicine, University of Michigan, Ann Arbor
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Mollin D, Anderson B, Burman J. The Serum Vitamin B12 Level: Its Assay and Significance. ACTA ACUST UNITED AC 1976. [DOI: 10.1016/s0308-2261(21)00109-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Savage CR, Green PD. Biosynthesis of transcobalamin II by adult rat liver parenchymal cells in culture. Arch Biochem Biophys 1976; 173:691-702. [PMID: 5961 DOI: 10.1016/0003-9861(76)90307-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Zittoun J, Zittoun R, Marquet J, Sultan C. The three transcobalamins in myeloproliferative disorders and acute leukaemia. Br J Haematol 1975; 31:287-98. [PMID: 1059479 DOI: 10.1111/j.1365-2141.1975.tb00860.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The unsaturated vitamin B12 binding capacity of whole serum (UBBC) and of the three transcobalamins (TC) has been studied in patients with various haematological diseases including myeloproliferative disorders (MPD) and acute leukaemia. The binding capacity of TC I and TC III was increased in MPD; TC I being particularly high in chronic granulocytic leukaemia (CGL) and TC III especially raised in polycythaemia rubra vera (PRV) and in infectious leucocytosis. The binding capacity of both TC I and TC III correlated with blood neutrophil count and the ratio TC III/TC I was low in CGL and increased in PRV. TC II was increased in acute myelogenous leukaemia, during remission and blast cell crisis of CGL and in refractory anaemia with excess of myeloblasts but not in acute lymphoblastic leukaemia (ALL). TC II correlated inversely with blood neutrophil count. There is an inverse ratio between TC II and TC I at least in myelogenous leukaemia. These abnormalities are discussed in relation to granulocyte kinetics. TC III and TC I reflect probably the total body granulocyte pool and share some biochemical and immunological properties supporting the view that they have a common origin in the more mature stages of the granulocyte cell line while TC II probably originates partly in more primitive granulocytes.
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Abstract
A method is described for the measurement of vitamin B-12 (B-12) in solid tissues by radioisotope dilution (RID) assay. The method is a modivication using double extraction of a serum B-12 RID assay which uses chicken serum as the B-12 binder. The method was developed and tested using human and bat liver specimens. Double extraction was shown to be more efficient than single extraction, and resulted in complete release of endogenous liver [57Co] B-12 administered to bats. Results using the RID assay in 16 humans and 17 bat liver specimens were compared with those obtained using the Lactobacillus leichmannii microbiological assay. Correlation was good, but the RID assay gave higher results using the microbiological assay appear to be due to inadequate extraction of B-12 from tissues.
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Tan CH, Blaisdell SJ. Characteristics of the serum vitamin B12 binding substances of selected vertebrates. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. B, COMPARATIVE BIOCHEMISTRY 1975; 50:541-8. [PMID: 1078998 DOI: 10.1016/0305-0491(75)90086-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Abstract
A gradient was developed for isoelectric focusing in the pH range 2-5. Cobalophilin (earlier called R proteins or vitamin B12-binding proteins of R-type) was isolated from saliva and amniotic fluid in homogeneous form. It was found to be a glycoprotein with a molecular weight of 59,300-69,100. The preparation from amniotic fluid contained 33% carbohydrate. Cobalophilin variants in plasma, serum, granulocytes, platelets, amniotic fluid, milk, saliva and gastric juice were characterized by isoelectric focusing. Most fluids and cells contained the same isoproteins, with pI values between 2.3 and 5.0. Isoproteins of presumably myelogenic origin (e.g. those in granulocytes and plasma) had pI values below 4.2, whereas those of glandular origin (in milk and saliva) had a pI range of 4.0-5.0. Serum contained more cobalophilin than plasma, owing to release of this protein from granulocytes during clotting. This phenomenon also changed the isoprotein pattern. Plasma and serum from newborn infants and from patients with leucocytosis, polycythaemia vera and chronic myelogenous leukaemia contained the same isoproteins as were found in plasma from healthy subjects. In addition to these, isoproteins with lower than 'normal' pI values were often found in chronic myelogenous leukaemia and occasionally in leucocytosis. It is concluded that cobalophilin from different fluids and cells is a single microheterogeneous protein with a variable carbohydrate composition. The distribution of cobalophilin in different body fluids and cells supports the suggestion that cobalophilin is an antimicrobial protein (Gullberg 1972) like lactoferrin and lysozyme.
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Rachmilewitz B, Rachmilewitz M, Gross J. A vitamin B12 binder with transcobalmin I characteristics synthesized and released by human granulocytes in vitro. Br J Haematol 1974; 26:557-67. [PMID: 4526611 DOI: 10.1111/j.1365-2141.1974.tb00500.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Finkler AE, Green PD. Vitamin B12 binding proteins in monkey serum and red cells. BIOCHIMICA ET BIOPHYSICA ACTA 1973; 328:359-64. [PMID: 4204635 DOI: 10.1016/0005-2795(73)90269-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Tan CH, Blaisdell SJ, Hansen HJ. Mouse transcobalamin II metabolism: the effects of antibiotics on the clearance of vitamin B12 from the serum transcobalamin II-vitamin B12 complex and the reappearance of free serum transcobalamin II in the mouse. BIOCHIMICA ET BIOPHYSICA ACTA 1973; 320:469-77. [PMID: 4750753 DOI: 10.1016/0304-4165(73)90327-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Pletsch QA, Coffey JW. Properties of the proteins that bind vitamin B 12 in subcellular fractions of rat liver. Arch Biochem Biophys 1972; 151:157-67. [PMID: 5044514 DOI: 10.1016/0003-9861(72)90484-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Rachmilewitz M, Moshkowitz B, Rachmilewitz B, Grossowicz N, Gross J. Serum vitamin B 12 binding proteins in viral hepatitis. Eur J Clin Invest 1972; 2:239-42. [PMID: 5053833 DOI: 10.1111/j.1365-2362.1972.tb00650.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Corcino JJ, Zalusky R, Greenberg M, Herbert V. Coexistence of pernicious anaemia and chronic myeloid leukaemia: an experiment of nature involving vitamin B12 metabolism. Br J Haematol 1971; 20:511-20. [PMID: 4103047 DOI: 10.1111/j.1365-2141.1971.tb07066.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Masouredis SP. Radioisotopes as applied to diagnostic hematology. CRC CRITICAL REVIEWS IN CLINICAL LABORATORY SCIENCES 1971; 2:139-71. [PMID: 4939012 DOI: 10.3109/10408367109151306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Edelstein T, Metz J. Correlation between vitamin B12 concentration in serum and muscle in late pregnancy. THE JOURNAL OF OBSTETRICS AND GYNAECOLOGY OF THE BRITISH COMMONWEALTH 1969; 76:545-8. [PMID: 5785678 DOI: 10.1111/j.1471-0528.1969.tb05879.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Hom BL, Olesen HA. Plasma clearance of 57cobalt-labelled vitamin B12 bound in vitro and in vivo to transcobalamin I and II. Scand J Clin Lab Invest 1969; 23:201-11. [PMID: 5383307 DOI: 10.3109/00365516909077650] [Citation(s) in RCA: 36] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Stenman UH, Simons K, Gräsbeck R. Vitamin B 12-binding proteins in normal and leukemic human leukocytes and sera. Scand J Clin Lab Invest 1968; 21:202-10. [PMID: 4974408 DOI: 10.3109/00365516809076986] [Citation(s) in RCA: 42] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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35
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Gottlieb CW, Retief FP, Herbert V. Blockade of vitamin B12-binding sites in gastric juice, serum and saliva by analogues and derivatives of vitamin B12 and by antibody to intrinsic factor. BIOCHIMICA ET BIOPHYSICA ACTA 1967; 141:560-72. [PMID: 5233398 DOI: 10.1016/0304-4165(67)90185-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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36
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Mikkonen L, Finkler AE, Hall CA. A diagnostic test for chronic myelogenous leukemia based on abnormalities of B12-binding. ACTA MEDICA SCANDINAVICA 1967; 181:591-6. [PMID: 5229321 DOI: 10.1111/j.0954-6820.1967.tb07281.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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37
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Finkler AE, Hall CA. Nature of the relationship between vitamin B12 binding and cell uptake. Arch Biochem Biophys 1967; 120:79-85. [PMID: 5233389 DOI: 10.1016/0003-9861(67)90600-5] [Citation(s) in RCA: 81] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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38
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BEAL RW. Preferential in vitro Binding of Radioactive Vitamin B12 by an Abnormal Serum Protein in Chronic Myeloid Leukaemia. Nature 1967. [DOI: 10.1038/213081a0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Jeremy D, McIver M. Inulin, 57Co-labelled vitamin B12 and endogenous creatinine clearances in the measurement of glomerular filtration rate in man. AUSTRALASIAN ANNALS OF MEDICINE 1966; 15:346-51. [PMID: 5972584 DOI: 10.1111/imj.1966.15.4.346] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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BRECKENRIDGE A, METCALFE-GIBSON A. METHODS OF MEASURING GLOMERULAR-FILTRATION RATE: A COMPARISON OF INULIN, VITAMIN-B 12 AND CREATININE CLEARANCES. Lancet 1965; 2:265-7. [PMID: 14330062 DOI: 10.1016/s0140-6736(65)92387-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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HALL CA, FINKLER AE. Abnormal Transport of Vitamin B12 in Plasma in Chronic Myelogenous Leukæmia. Nature 1964; 204:1207. [PMID: 14264387 DOI: 10.1038/2041207a0] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
It is possible to estimate the vitamin B12 content of liver specimens obtained by needle biopsy. The liver B12 content is not related to the serum levels of vitamin B12, bilirubin, alkaline phosphatase, glutamic-oxaloacetic transaminase, or albumin. It is reduced in a number of pathological conditions of the liver and the reasons for this are discussed, as also are the factors determining the content of B12 in the normal liver.
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Plasmaproteinforschung im Zeichen des Eiweißstrukturproblems. VERHANDLUNGEN DER DEUTSCHEN GESELLSCHAFT FÜR INNERE MEDIZIN 1961. [DOI: 10.1007/978-3-642-96027-7_25] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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45
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46
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YESAIR DW, GOLDSTEIN J, DANIEL LJ. The effect of vitamin B12 on the blood serum protein and lipoprotein in the developing chick embryo. Arch Biochem Biophys 1959; 84:316-23. [PMID: 13846523 DOI: 10.1016/0003-9861(59)90596-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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47
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48
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49
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OWEN JA. Paper Electrophoresis of Proteins and Protein-Bound Substances in Clinical Investigations. Adv Clin Chem 1958; Vol. 1:237-300. [PMID: 13571032 DOI: 10.1016/s0065-2423(08)60360-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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50
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MILLER ON. Studies on an interaction among serum protein, materials containing intrinsic factor and vitamin B12. Arch Biochem Biophys 1957; 72:8-16. [PMID: 13471056 DOI: 10.1016/0003-9861(57)90168-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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