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Fischler DA, Orlando R. N-linked Glycan Release Efficiency: A Quantitative Comparison between NaOCl and PNGase F Release Protocols. J Biomol Tech 2019; 30:58-63. [PMID: 31598098 DOI: 10.7171/jbt.19-3004-001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
There are several methods, both chemical and enzymatic, to release N-linked glycans for structural characterization. One of the most common enzymatic release methods is the use of peptide:N-glycosidase F (PNGase F). A less expensive and quicker alternative has been reported for the release of N-linked glycans chemically using sodium hypochlorite (NaOCl), which hydrolyzes the peptide-glycan bond, yielding the intact glycan with a free reducing terminus. Here, we quantitatively analyzed the efficiency of the NaOCl release protocol compared with the PNGaseF release protocol for small-scale analysis (300 µg) using liquid chromatography-single reaction monitoring-mass spectrometry. We determined that the relative glycan composition of released N-linked glycans from the NaOCl protocol is similar to a typical PNGase F protocol, but the absolute recovery of N-linked glycans is significantly lower with the chemical procedure.
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Affiliation(s)
- David A Fischler
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30605, USA
| | - Ron Orlando
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30605, USA
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2
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Pazynina GV, Tsygankova SV, Sablina MA, Paramonov AS, Formanovsky AA, Bovin NV. Synthesis of blood group pentasaccharides ALey, BLey and related tri- and tetrasaccharides. MENDELEEV COMMUNICATIONS 2016. [DOI: 10.1016/j.mencom.2016.03.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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3
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Yamada K, Hyodo S, Kinoshita M, Hayakawa T, Kakehi K. Hyphenated technique for releasing and MALDI MS analysis of O-glycans in mucin-type glycoprotein samples. Anal Chem 2011; 82:7436-43. [PMID: 20669922 DOI: 10.1021/ac101581n] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We developed an automatic apparatus for the release of O-glycans from mucin-type glycoproteins and proteoglycans (Matsuno, Y.-k.; Yamada, K.; Tanabe, A.; Kinoshita, M.; Maruyama, S.-z.; Osaka, Y.-s.; Masuko, T.; Kakehi, K. Anal. Biochem. 2007, 363, 245-257. Yamada, K.; Hyodo, S.; Matsuno, Y. K.; Kinoshita, M.; Maruyama, S. Z.; Osaka, Y. S.; Casal, E.; Lee, Y. C.; Kakehi, K. Anal. Biochem. 2007, 371, 52-61). The method allows rapid release of O-glycans as the reducing form within 10 min. In the present study, we connected the device to a MALDI-TOF MS spotter and achieved routine analysis of O-glycans in biological samples for clinical use after in situ derivatization of the released O-glycans with phenylhydrazine. We applied the method to the analysis of O-glycans expressed on MKN45 cells derived from human stomach cancer cells and found that MKN45 cells expressed characteristic trisialo-polylactosamine-type glycans as reported previously (Yamada, K.; Kinoshita, M.; Hayakawa, T.; Nakaya, S.; Kakehi, K. J. Proteome Res. 2009, 8, 521-537). We also applied the method to the analysis of O-glycans in serum samples. The present technique is the first attempt to use MS measurement for routine clinical diagnostic works.
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Thermal decomposition of β-d-galactopyranosyl-(1→3)-2-acetamido-2-deoxy-d-hexopyranoses under neutral conditions. Carbohydr Res 2010; 345:1901-8. [DOI: 10.1016/j.carres.2010.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 06/03/2010] [Accepted: 06/09/2010] [Indexed: 11/19/2022]
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5
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Katagihallimath N, Mehanna A, Guseva D, Kleene R, Schachner M. Identification and validation of a Lewis x glycomimetic peptide. Eur J Cell Biol 2009; 89:77-86. [PMID: 19962782 DOI: 10.1016/j.ejcb.2009.10.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Glycans play important roles in regulating cell recognition and interactions to fine tune development, and synaptic plasticity and regeneration in the adult nervous system. The spatial and temporal expression pattern of Lewis(x) (a terminal trisaccharide epitope characterized by alpha1,3-fucosyl-N-acetyl-lactosamine) in the nervous system indicates an important role of this epitope in neurogenesis and brain development. Localization of Lewis(x) in the proliferative subventricular zone of the developing nervous system and also its expression on stem cells of the adult nervous system suggests a role in neurogenesis and hence regeneration. To provide an alternative tool to elucidate the functional roles of Lewis(x), we screened a random peptide phage library against a Lewis(x)-specific antibody to identify a Lewis(x) glycomimetic peptide. We identified a peptide that specifically bound to the Lewis(x)-specific antibody and this binding could be competed by the Lewis(x) glycan. Different aspects of the Lewis(x) glycomimetic peptide were investigated by introducing it in in vitro assays measuring neurite outgrowth and in in vivo assays to determine its efficacy in regeneration of peripheral nerve and spinal cord after injury in adult mice. In vitro, neurite outgrowth triggered by the Lewis(x-)carrying adhesion molecule CD24 was abolished alike by the Lewis(x) glycan and the glycomimetic peptide, while no influence of the glycomimetic peptide was seen in regeneration. Our results validate the use of Lewis(x) glycomimetic peptide as a functionally equivalent structure to the Lewis(x) glycan.
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Affiliation(s)
- Nainesh Katagihallimath
- Zentrum für Molekulare Neurobiologie, Universitätsklinikum Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany
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Ginsburg V. Enzymatic basis for blood groups in man. ADVANCES IN ENZYMOLOGY AND RELATED AREAS OF MOLECULAR BIOLOGY 2006; 36:131-49. [PMID: 4116054 DOI: 10.1002/9780470122815.ch4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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7
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Clamp JR, Bhatti T, Chambers RE. The determination of carbohydrate in biological materials by gas-liquid chromatography. METHODS OF BIOCHEMICAL ANALYSIS 2006; 19:229-344. [PMID: 4935452 DOI: 10.1002/9780470110386.ch3] [Citation(s) in RCA: 124] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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8
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Kobata A. The third chains of living organisms—a trail of glycobiology that started from the third floor of building 4 in NIH. Arch Biochem Biophys 2004; 426:107-21. [PMID: 15158661 DOI: 10.1016/j.abb.2004.01.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2003] [Revised: 01/19/2004] [Indexed: 10/26/2022]
Abstract
Application of a finger-printing method to the analysis of human milk oligosaccharides led to the finding that several oligosaccharides were missing in the milk of non-secretor or Lewis-negative individuals. This finding helped us in opening the door of elucidating the enzymatic basis of blood types in human. Based on these successful studies, a strategy to establish reliable techniques to elucidate the structures and functions of the N-linked sugar chains of glycoproteins was devised. It was to contrive enzymatic and chemical means to release quantitatively the N-linked sugar chains as oligosaccharides, and finger-print them by using appropriate methods to demonstrate the sugar pattern of a glycoprotein. These methods enabled us to determine that the N-linked sugar chains of glycoproteins can be classified into three subgroups: high mannose-type, complex-type, and hybrid-type. By comparative studies of the sugar patterns of a glycoprotein produced by different organs and different animals, occurrences of organ- and species-specific glycosylation were found in many glycoproteins. By comparative studies of the glycosylation patterns of the subunits constructing human chorionic gonadotropin and other glycoproteins, occurrence of site-directed N-glycosylation was also found, indicating that the processing and maturation of the N-linked sugar chains of a glycoprotein might be controlled by the structure of polypeptide moiety. Furthermore, these methods enabled us to elucidate the structural alteration of the sugar chains of a glycoprotein induced by diseased state of the producing cells, such as rheumatoid arthritis and malignancy. Recent studies of glycoproteins in the brain-nervous system through aging revealed that N-glycosylation of P(0) in the rat spinal cord is induced by aging. Therefore, glycobiology is expanding tremendously into fields such as pathological and gerontological research.
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Affiliation(s)
- Akira Kobata
- Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.
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9
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Morgan WT, Watkins WM. Unravelling the biochemical basis of blood group ABO and Lewis antigenic specificity. Glycoconj J 2000; 17:501-30. [PMID: 11421345 DOI: 10.1023/a:1011014307683] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The ABO blood-group polymorphism is still the most clinically important system in blood transfusion practice. The groups were discovered in 1900 and the genes at the ABO locus were cloned nearly a century later in 1990. To enable this goal to be reached intensive studies were carried out in the intervening years on the serology, genetics, inheritance and biochemistry of the antigens belonging to this system. This article describes biochemical genetic investigations on ABO and the related Lewis antigens starting from the time in the 1940s when serological and classical genetical studies had established the immunological basis and mode of inheritance of the antigens but practically nothing was known about their chemical structure. Essential steps were the definition of H as the product of a genetic system Hh independent of ABO, and the establishment of the precursor-product relationship of H to A and B antigens. Indirect methods gave first indications that the specificity of antigens resided in carbohydrate and revealed the immunodominant sugars in the antigenic structures. Subsequently chemical fragmentation procedures enabled the complete determinant structures to be established. Degradation experiments with glycosidases revealed how loss of one specificity by the removal of a single sugar unit exposed a new specificity and suggested that biosynthesis proceeded by a reversal of this process whereby the oligosaccharide structures were built up by the sequential addition of sugar units. Hence, the primary blood-group gene products were predicted to be glycosyltransferase enzymes that added the last sugar to complete the determinant structures. Identification of these enzymes gave new genetic markers and eventually purification of the blood-group A-gene encoded N-acetylgalactosaminyltransferase gave a probe for cloning the ABO locus. Blood-group ABO genotyping by DNA methods has now become a practical possibility.
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Affiliation(s)
- W T Morgan
- Department of Haematology, Imperial College School of Medicine, Hammersmith Hospital, London, United Kingdom
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Lloyd KO. The chemistry and immunochemistry of blood group A, B, H, and Lewis antigens: past, present and future. Glycoconj J 2000; 17:531-41. [PMID: 11421346 DOI: 10.1023/a:1011066308591] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This article traces reseach on the chemistry and immunochemistry of blood group A, B, H, and Lewis antigens from early work on the identification of soluble sources of these antigens, through the elucidation of the structures of the carbohydrate epitopes responsible for these specificities, to recent work on exploring their possible use as cancer vaccines. The various approaches used in the isolation of oligosaccharides from mucins for use in structural studies are discussed, as are recent efforts in the chemical systhesis of blood group-active oligosaccharides.
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Affiliation(s)
- K O Lloyd
- Immunology Program, Sloan-Kettering Institute, New York, NY 10021, USA.
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11
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Carbohydrate differentiation antigens Ii, SSEA-1 (Lex) and related structures. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0167-7306(08)60628-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Lloyd KO, Burchell J, Kudryashov V, Yin BW, Taylor-Papadimitriou J. Comparison of O-linked carbohydrate chains in MUC-1 mucin from normal breast epithelial cell lines and breast carcinoma cell lines. Demonstration of simpler and fewer glycan chains in tumor cells. J Biol Chem 1996; 271:33325-34. [PMID: 8969192 DOI: 10.1074/jbc.271.52.33325] [Citation(s) in RCA: 252] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
MUC-1 mucin is considered to be aberrantly glycosylated in breast, ovary, and other carcinomas in comparison with mucin from corresponding normal tissues. In order to clarify these differences in glycosylation, we have compared the O-linked carbohydrate chains from MUC-1 immunoprecipitated from [3H]GlcN-labeled breast epithelial cell lines (MMSV1-1, MTSV1-7, and HB-2) derived from cells cultured from human milk, with three breast cancer cell lines (MCF-7, BT-20, and T47D). Analysis by high pH anion chromatography showed that the normal cell lines had a higher ratio of GlcN/GalN and more complex oligosaccharide profiles than the cancer cell lines. Structural analyses were carried out on the oligosaccharides from MTSV1-7 and T47D MUC-1, and the following structures were proposed. MUC-1 from T47D had rather a simple glycosylation pattern, with NeuAcalpha2-3Galbeta1-3GalNAc-ol, Galbeta1-3GalNAc-ol, and GalNAc-ol predominating; in contrast, MUC-1 from MTSV1-7 had more complex structures, including a number of disialo, core 2 species, i.e. NeuAcalpha2-3Galbeta1-4GlcNAcbeta1-6[NeuAcalpha2 -3Galbeta1-3]GalNAc- ol and NeuAcalpha2-3Galbeta1-4GlcNAcbeta1-6[NeuAcalpha2 -3Galbeta1-4GlcNAcbet a1-3Galbeta1-3]GalNAc-ol. Double-labeling experiments with [3H]GlcN and 14C-aminoacids and analysis of GalNAc or GalNAc-ol:protein ratios in MUC-1 showed that there was also a significant difference in the degree of glycosylation of the mucin between the two cell types. We conclude that MUC-1 from breast cancer cell lines has simpler, and fewer, carbohydrate chains than MUC-1 from normal breast epithelial cells, and that these differences, combined or separately, explain the differential tumor specificity of some MUC-1 antibodies and T cells.
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Affiliation(s)
- K O Lloyd
- Immunology Program, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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14
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Gerwig GL, Calvete JJ, Töpfer-Petersen E, Vliegenthart JF. The structure of the O-linked carbohydrate chain of bovine seminal plasma protein PDC-109 revised by H-NMR spectroscopy A correction. FEBS Lett 1996; 387:99-100. [PMID: 8654577 DOI: 10.1016/0014-5793(96)00448-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- G L Gerwig
- Bijvoet Center for Biomocular Research, Department of Bio-Organic Chemistry, Utrecht University, Utrecht, The Netherlands
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15
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Kawagishi H, Wasa T, Murata T, Usui T, Kimura A, Chiba S. Two N-acetyl-D-galactosamine-specific lectins from Phaeolepiota aurea. PHYTOCHEMISTRY 1996; 41:1013-1016. [PMID: 8728711 DOI: 10.1016/0031-9422(95)00733-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Two lectins, PAL-I and PAL-II, were isolated from the mushroom Phaeolepiota aurea by affinity chromatography on acid-treated Sepharose CL-4B followed by reverse-phase FPLC on ProRPC. Both of the lectins were tetramers of 16 kDa subunits. The lectins had little agglutination activity against native erythrocytes but Pronase treatment of erythrocytes increased the sensitivity to agglutination by the lectins. Both lectins exhibited slight preferences for type A compared with type B and O erythrocytes. In haemagglutination inhibition assays, N-acetylgalactosamine and both anomers of methyl N-acetylgalactosaminide were the best inhibitors.
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Affiliation(s)
- H Kawagishi
- Department of Applied Biological Chemistry, Shizuoka University, Japan
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16
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Chapter 11 Human mucosal mucins in diseases. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s0167-7306(08)60297-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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17
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Wu AM, Song SC, Hwang PY, Wu JH, Chang KS. Binding studies on the combining site of a GalNAc alpha 1-->-specific lectin with Thomsen-Friedenreich activity prepared from green marine algae Codium fragile subspecies tomentosoides. EUROPEAN JOURNAL OF BIOCHEMISTRY 1995; 233:145-51. [PMID: 7588738 DOI: 10.1111/j.1432-1033.1995.145_1.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The combining site of a GalNAc alpha 1-->-specific lectin (CFT) with Thomsen-Friedenreich (T, Gal beta 1-->3-GalNAc alpha 1-->Ser/Thr) activity, purified from the subspecies tomentosoides of green marine algae Codium fragile was studied by quantitative precipitin and precipitin-inhibition assays. Of 27 glycoforms tested, Tn (GalNAc alpha 1-->Ser/Thr) glycoprotein from armadillo submandibular glands, and asialo porcine submandibular glycoprotein, which contains T, Tn and GalNAc alpha 1-->3Gal(A) sequences, completely precipitated the lectin added, and less than 1 microgram glycoprotein was required to precipitate 50% 4.7 micrograms lectin nitrogen. However, CFT precipitated negligibly with Pneumococcus type-XIV polysaccharide and asialo human alpha 1-acid glycoprotein, that contain exclusively the human blood-type-II precursor sequence (II, Gal beta 1-->4GlcNAc) at the nonreducing ends. Among the sugar inhibitors tested, the human blood A-active trisaccharide [Ah, GalNAc alpha 1-->3 (LFuc alpha 1-->2)Gal] was the best inhibitor; it was about twice as active as the T disaccharide. Oligosaccharides without GalNAc alpha 1--> as part of their sequences were inactive, indicating that the acetamido group at C2 of galactose is essential for binding and that GalNAc is the main contributor in the T sequence for binding. From the data provided, it is clear that the combining site of CFT requires an alpha-anomer of GalNAc and recognizes Ah, internal GalNAc alpha 1--> of T and Tn determinants of glycans, but not the blood group I/II (Gal beta 1-->3/4GlcNAc) sequences. Consequently, CFT is a useful reagent for detecting GalNAc alpha 1-->-containing glycoconjugates.
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Affiliation(s)
- A M Wu
- Glyco-Immunochemistry Research Lab., Institute of Molecular and Cellular Biology, Chang-Gung Medical College Tao-yuan, Taiwan
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18
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Watkins WM. Chapter 5 Biosynthesis 5. Molecular Basis of Antigenic Specificity in the ABO, H and Lewis Blood-Group Systems. NEW COMPREHENSIVE BIOCHEMISTRY 1995. [DOI: 10.1016/s0167-7306(08)60597-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Abstract
The initiating factor in the hyperacute rejection of pig organs by human or non-human primates is believed to be related to the presence of preformed "natural" antibodies in the host. In 1991, we demonstrated that human anti-pig antibodies were IgG, IgM and IgA and bound most strongly to oligosaccharides with an alpha galactose (alpha Gal) terminal residue. These included (i) alpha Gal-R (alpha galactose), (ii) alpha Gall-3 beta Gal-R (B disaccharide), (iii) alpha Gall-3 beta Gall-4 beta GlcNAc-R (linear B type 2 trisaccharide) and (iv) alpha Gall-3 beta Gall-4 beta Glc-R (linear B type 6 trisaccharide) where R is (CH2) 8COOCH3. In vitro studies using both the chromium release assay and a live/dead staining technique demonstrated that the cytotoxicity of human sera towards pig cells can be significantly reduced or abolished by immunoadsorption of the serum with immunoaffinity columns of an alpha Gal structure, particularly those with an alpha 1-3 linkage, and not by a large selection of other carbohydrates. Similarly, human anti-pig antibodies can be largely inhibited or "neutralized" by the addition of an alpha 1-3Gal di- or trisaccharide to the serum. Staining of pig vascular endothelium utilizing a panel of carbohydrate-specific lectins and immunoaffinity antibodies demonstrated the presence of three different carbohydrate epitopes, namely (i) alpha Gall-3 beta Gall-4 beta GlcNAc-R (linear B type 2 trisaccharide (ii) alpha NeuAc2-3 beta Gall-4 beta GlcNAc-R (sialyl-N-acetyllactosamine), and (iii) beta Gall-4 beta GlcNAc-R (N-acetyllactosamine). We have investigated organs from several breeds of pig and have concluded that the alpha Gal epitope is either monomorphic or at least has a high incidence in porcine species, since we have not found any pig negative for this antigen. Human vascular endothelial cells have at their surface the same lactosamine-ended precursor and sialylated chains as pigs, but instead of terminal alpha Gal they express the fucosylated polymorphic ABH histo-blood group epitopes. As we have found no evidence that human or baboon plasma contain antibodies directed against sialic acid or lactosamine, and as human tissues contain both of these carbohydrates, it seems unlikely that either of these epitopes plays a role in the vascular rejection that takes place when pig organs are transplanted into primates. Unfortunately, the alpha Gal disaccharide and trisaccharides were not available to us in the large quantities required for extracorporeal immunoadsorption or continuous intravenous infusion in adult baboons.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- D K Cooper
- Oklahoma Transplantation Institute, Baptist Medical Center, Oklahoma City 73112
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Matsumoto H, Muramatsu H, Shimotakahara T, Yanagi M, Nishijima H, Mitani N, Baba K, Muramatsu T, Shimazu H. Correlation of expression of ABH blood group carbohydrate antigens with metastatic potential in human lung carcinomas. Cancer 1993; 72:75-81. [PMID: 8508432 DOI: 10.1002/1097-0142(19930701)72:1<75::aid-cncr2820720116>3.0.co;2-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
METHODS. The expression of ABH blood group carbohydrate antigens was examined histochemically in tumors and adjacent nontumorous tissues of 89 cases of human lung carcinoma in which nontumorous tissues expressed blood group carbohydrate antigens compatible with the erythrocyte blood group types. RESULTS AND CONCLUSIONS. Loss of ABH blood group antigens in lung carcinomas correlated with their metastatic potential, especially with the recurrence of hematogenous metastasis. Consequently, patients with tumors that retained compatible ABH blood group antigens showed a better prognosis than patients with tumors of altered antigenic profiles. The loss of blood group B antigen more significantly affected both the hematogenous metastasis and prognosis than that of A and H antigens.
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Affiliation(s)
- H Matsumoto
- First Department of Surgery, Faculty of Medicine, Kagoshima University, Japan
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Jain RK, Piskorz CF, Matta KL. A convenient synthesis of N-acetyllactosamine-linked oligosaccharides from phenyl 3,6,2',3',4',6'-hexa-O-acetyl-2-deoxy-2-phthalimido-1-thio-beta-lactopy ranoside . Carbohydr Res 1993; 243:385-91. [PMID: 8348548 DOI: 10.1016/0008-6215(93)87042-q] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- R K Jain
- Department of Gynecologic Oncology, Roswell Park Cancer Institute, Buffalo, New York 14263
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22
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Wu A, Lin S, Chin L, Chow L, Lin J. Defining the carbohydrate specificities of Abrus precatorius agglutinin as T (Gal beta 1—-3GalNAc) greater than I/II (Gal beta 1—-3/4GlcNAc). J Biol Chem 1992. [DOI: 10.1016/s0021-9258(18)41752-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Matsumoto H, Muramatsu H, Muramatsu T, Shimazu H. Carbohydrate profiles shown by a lectin and a monoclonal antibody correlate with metastatic potential and prognosis of human lung carcinomas. Cancer 1992; 69:2084-90. [PMID: 1544115 DOI: 10.1002/1097-0142(19920415)69:8<2084::aid-cncr2820690813>3.0.co;2-s] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The expression of two carbohydrate markers--namely, 4C9 antigen, which is an Lex antigen, and the Dolichos biflorus agglutinin (DBA) binding site, which is an N-acetylgalactosamine marker--was examined histochemically in tumors and adjacent nontumorous tissues of 102 cases of human lung carcinomas. In nontumorous tissues, the DBA binding site was expressed more frequently than 4C9 antigen, and the DBA binding site had a tendency to be expressed more significantly than in tumor cells. Adenocarcinomas and well-differentiated tumors had a tendency to more cell surface staining. Patients with tumors that expressed DBA binding sites but not 4C9 antigen (4C9-, DBA+) had fewer metastasis and significantly better prognoses than patients with tumors of other carbohydrate profiles. Better prognosis of patients with 4C9-, DBA+ tumors was observed in those with blood group A antigen and those without it, and the better prognosis also was observed in patients with Stage I and IIIA disease.
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Affiliation(s)
- H Matsumoto
- First Department of Surgery, Faculty of Medicine, Kagoshima University, Japan
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24
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The Synthesis of Blood Group I and i Active Oligosaccharides. ACTA ACUST UNITED AC 1992. [DOI: 10.1016/b978-0-444-89558-5.50037-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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25
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Gerwig GJ, Kamerling JP, Vliegenthart JF, Morag E, Lamed R, Bayer EA. Primary structure of O-linked carbohydrate chains in the cellulosome of different Clostridium thermocellum strains. EUROPEAN JOURNAL OF BIOCHEMISTRY 1991; 196:115-22. [PMID: 2001693 DOI: 10.1111/j.1432-1033.1991.tb15793.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The cell-free forms of the multiple cellulase-containing protein complex (cellulosome), isolated from the cellulolytic bacterium Clostridium thermocellum strains YS, ATCC 27405 and LQRI, have a total carbohydrate content of 5-7% (by mass), consisting of O-linked oligosaccharide chains. The carbohydrate chains were liberated by alkaline-borohydride treatment and fractionated as oligosaccharide alditols via gel-permeation chromatography and HPLC. The fractions were investigated by 500-MHz 1H-NMR spectroscopy in combination with monosaccharide and methylation analysis and with fast-atom-bombardment mass spectrometry (FAB-MS). In addition to the previously described major oligosaccharide, (formula; see text) [Gerwig, G. J., de Waard, P., Kamerling, J. P., Vliegenthart, J. F. G., Morgenstern, E., Lamed, R. & Bayer, E. A. (1989) J. Biol. Chem. 264, 1027-1035], the following partial structures of this compound could be established: (formula; see text). Cell-free and cell-associated forms of the cellulosome of C. thermocellum, as determined for strain YS, have the same oligosaccharide pattern. Based on the oligosaccharide structures, a biosynthetic pathway is suggested.
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Affiliation(s)
- G J Gerwig
- Bijvoet Center, Department of Bio-Organic Chemistry, Utrecht University, The Netherlands
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26
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Yanagisawa A, Yotsumoto K, Kitagawa T, Sugano H, Kato Y. Red and blue distinctive mucin-histochemical types of Japanese colorectal mucosa. Jpn J Cancer Res 1990; 81:372-5. [PMID: 1694840 PMCID: PMC5918057 DOI: 10.1111/j.1349-7006.1990.tb02577.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Mucin-histochemical characteristics of normal human colorectal mucosa were investigated utilizing Culling et al.'s staining method which distinguishes the mode of C8-O-acylation of sialomucins. Normal mucosae of cecum, ascending, transverse and descending colon and rectum were obtained from autopsy and biopsy material. Japanese colorectal mucosa stained either entirely red or entirely blue, in contrast to previous reports dealing with Caucasians where all the normal mucosa reportedly stained red. The ratio of red to blue colon cases varied to some extent with age, i.e. it was found to be 1:1 in children aged 0 to 4, 2:1 in the 5-20 age group, and 4:1 in people older than 21 years, suggesting a tendency of shift from blue to red during early life in Japan. Each individual Japanese adult colorectal mucosa may thus be classified into either red or blue type mucin-histochemically.
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Affiliation(s)
- A Yanagisawa
- Department of Pathology, Cancer Institute, Tokyo
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27
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Argade SP, Daves GD, Van Halbeek H, Alhadeff JA. The effect of alkaline borohydride treatment on N-linked carbohydrates of glycoproteins. Glycoconj J 1989; 6:45-56. [PMID: 2535476 DOI: 10.1007/bf01047889] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
Abstract
The effects of treatments of the glycoprotein ribonuclease-B, the proteins ribonuclease-A and myoglobin, and the glyco-amino acid GlcNAc beta(1-N)Asn with alkali, alkaline sodium borohydride, and aqueous sodium borohydride were systematically studied as a function of the concentration of the reagents, the temperature, and the length of the treatment. High-field 1H-NMR spectroscopy, chromatographic methods and amino-acid analysis were used to characterize products of the treatments of the various compounds. Our results indicate that mild alkaline borohydride treatment, as well as aqueous borohydride treatment alone, is capable of extensively degrading polypeptides and of partially releasing the N-linked glycans from ribonuclease-B. Initially, glycopeptides are produced, the peptide portion of which consists of several amino acids, which are further hydrolyzed to yield a mixture of glyco-asparagines and oligosaccharide-alditols in the ratio of approximately 4:1. Strong alkaline borohydride treatment of ribonuclease-B is capable of completely releasing the N-linked carbohydrates as oligosaccharide-alditols.
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Affiliation(s)
- S P Argade
- Department of Chemistry, Lehigh University, Bethlehem, PA 18015
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28
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Matsuda T, Kabat EA, Surolia A. Carbohydrate binding specificity of the basic lectin from winged bean (Psophocarpus tetragonolobus). Mol Immunol 1989; 26:189-95. [PMID: 2918860 DOI: 10.1016/0161-5890(89)90101-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The carbohydrate binding specificity of the basic lectin from winged bean (Psophocarpus tetragonolobus) was investigated by quantitative precipitin analysis using blood group A, B, H, Le and I substances and by precipitation inhibition with various mono- and oligosaccharides. The lectin precipitated best with A1 substances and moderately with B and A2 substances, but not with H or Le substances. Inhibition assays of lectin-blood group A1 precipitation demonstration that A substance-derived oligosaccharides having the common structure: D-GalNAc alpha(1----3)D-Gal-(beta 1----3/4) to a D-Glc, were the best inhibitors and about 8 and 4 times more active than D-GalNAc and D-GalNAc alpha(1----3)D-Gal, respectively. A difucosyl A-specific oligosaccharide (A-penta), a monofucosyl (A-tetra) and a non-fucosyl containing (A5II) oligosaccharide, D-GalNAc alpha(1----3)D-Gal beta(1----3)D-GlcNAc, had almost the same reactivity, suggesting that the fucose linked to the sub-terminal D-Gal or to the third sugar. D-GlcNAc, from the non-reducing end made no contribution to the carbohydrate binding. Although a terminal non-reducing D-GalNAc or D-Gal residue was indispensible for binding, the lectin bound not only to these terminal non-reducing galactopyranosyl residues, but also showed increased binding to oligosaccharides in which it was bonded to a sub-terminal D-Gal joined to a D-GlcNAc residue, as in blood group A or B substances. This defines the site, thus far, as complementary to a disaccharide plus the beta linkage to the third sugar (D-Glc or D-GlcNAc) from the non-reducing end. The role of the beta(1----3) or beta(1----4) linkage of the sub-terminal non-reducing D-Gal to the D-GlcNAc requires further study.
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Affiliation(s)
- T Matsuda
- Department of Microbiology, College of Physicians and Surgeons, Columbia University, New York, NY 10032
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29
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Watkins WM, Greenwell P, Yates AD, Johnson PH. Regulation of expression of carbohydrate blood group antigens. Biochimie 1988; 70:1597-611. [PMID: 3149525 DOI: 10.1016/0300-9084(88)90295-7] [Citation(s) in RCA: 60] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The carbohydrate antigens associated with the human ABO and Lewis blood group systems are excellent models for the study of the genetic regulation of glycoconjugate biosynthesis because their expression on erythrocytes and in saliva has been thoroughly investigated in terms of classical genetics and the chemical structures and pathways for the formation of the antigens are now well understood. The primary protein products of the blood group genes are believed to be the glycosyltransferase enzymes that complete the biosynthesis of the determinants. The important controlling factors still to be elucidated are the genetic and environmental influences leading to the tissue specific expression of these antigens. The 3 types of regulation mechanisms discussed in this review are those arising: 1) from the specificity requirements of the glycosyltransferases encoded by the blood group genes; 2) from the competition or co-operation of glycosyltransferases encoded by genes at the same or independent loci; and 3) from the existence and tissue distribution of glycosyltransferases with related, but not identical, substrate specificities.
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Affiliation(s)
- W M Watkins
- Division of Immunochemical Genetics, MRC Clinical Research Centre, Harrow, Middlesex, U.K
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30
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Roussel P, Lamblin G, Lhermitte M, Houdret N, Lafitte JJ, Perini JM, Klein A, Scharfman A. The complexity of mucins. Biochimie 1988; 70:1471-82. [PMID: 3149516 DOI: 10.1016/0300-9084(88)90284-2] [Citation(s) in RCA: 100] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Mucins represent the main components of gel-like secretions, or mucus, secreted by mucosae or some exocrine glands. These high-molecular-weight glycoproteins are characterized by the large number of carbohydrate chains O-glycosidically linked to the peptide. The determination of mucin molecular weight and conformation has been controversial for several reasons: 1) the methods used to solubilize mucus and to purify mucins are different and 2) the molecules have a strong tendency to aggregate or to bind to other molecules (peptides or lipids). Recently, electron microscopy has shown the filamentous shape of most mucins and their polydisperse character which, in some secretions, might correspond to a polymorphism of the peptide part of these molecules. The recent development of high pressure liquid chromatography and high-resolution proton NMR spectroscopy has allowed major progress in the structural study of mucin carbohydrate chains. These chains may have from 1 to about 20 sugars and bear different antigenic determinants, such as A, B, H, I, i, X, Y or Cad antigens. In some mucins, such as human respiratory mucins, the carbohydrate chain diversity is remarkable, which raises many questions. Mucins are molecules located at the interface between mucosae and the external environment. The carbohydrate chain diversity might allow many interactions between mucins and microorganisms and play a major role in the colonization or the defense of mucosae.
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31
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Hanisch FG, Uhlenbruck G, Peter-Katalinic J, Egge H. Structural studies on oncofetal carbohydrate antigens (Ca 19-9, Ca 50, and Ca 125) carried by O-linked sialyloligosaccharides on human amniotic mucins. Carbohydr Res 1988; 178:29-47. [PMID: 3191509 DOI: 10.1016/0008-6215(88)80100-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Mucins were extracted from human amniotic fluid in the presence of 45% vol. phenol and separated from the bulk of smaller-sized glycoproteins by exclusion on Sephacryl S400. The mucin-fraction FW, which still contained a minute proportion of mannose, strongly expressed oncofetal antigens recognized by monoclonal antibodies C 50, NS 19-9, OC 125, Leu M1, 49 H 8, and 115 C 2. The structures of the respective mucin-linked saccharides responsible for Ca 50-, Ca 19-9-, and Lea-related antigenic activities were analyzed before or after reductive beta-elimination from sialylglycoproteins, and purification of the derived alditols by gel-permeation chromatography on Bio-Gel P-4 or high performance liquid chromatography. Two ubiquitous (FW2, FW3) and three novel oligosaccharide alditols (FW5) were characterized by f.a.b.- and e.i.-m.s., combined with methylation analysis and chromium trioxide oxidation. The OC 125 epitope on mucin-carried O-glycans was destroyed during reductive cleavage of the saccharides, indicating a conformational involvement of the reducing terminal residue and its mode of conjugation to the protein. Exoglycosidase treatment of the mucin-bound antigen revealed that the epitope structure of OC 125 includes terminal beta-D-galactosyl groups, and terminal sialyl groups that are almost inaccessible to Vibrio cholerae sialidase digestion.
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Affiliation(s)
- F G Hanisch
- Abteilung für Immunobiologie der 1. Medizinischen Universitätsklinik Köln, Federal Republic of Germany
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32
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Chamow SM, Hedrick JL. A micromethod for the estimation of oligosaccharides containing glycosidically linked sialic acid or hexoses, or both, in glycoproteins. Carbohydr Res 1988; 176:195-203. [PMID: 3416318 DOI: 10.1016/0008-6215(88)80130-7] [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: 01/05/2023]
Abstract
The peeling reaction, the process by which oligosaccharides are degraded in alkali, was used as the basis for an assay to provide structural information about glycosidically linked oligosaccharides in glycoproteins. Glycoproteins were treated with 0.05 M NaOH at 50 degrees to induce release, and subsequent degradation ("peeling"), of glycosidically linked, but not of N-glycosydically linked, oligosaccharides. Among the degradation products generated from O-linked chains were three 3-deoxy sugar acids whose formation was correlated with certain structural features of the oligosaccharides. N-Acetylneuraminic acid was released from terminal positions in the oligosaccharides, and iso- and meta-saccharinic acids were derived from the degradation of 4-O- and 3-O-substituted hexoses, respectively. All of these sugar acids were detected colorimetrically by periodate oxidation and reaction of the product with 2-thiobarbituric acid. The ability of the method to generate 3-deoxy sugar acids was tested in 8 alkali-treated glycoproteins. 3-Deoxy sugar acids were detected only in those glycoproteins whose glycosidically linked carbohydrates contained N-acetylneuraminic acid, or 3-O- or 4-O-substituted hexoses, or both. As little as 0.12 microgram of 3-deoxy sugar acid produced from 5 micrograms of human chorionic gonadotropin was sufficient for detection. This method is novel in its ability to distinguish sialylation of glycosidically linked carbohydrates. Furthermore, it combines the specificity of beta-elimination with the sensitivity of the 2-thiobarbituric acid assay in targeting degradation products of the peeling reaction as candidates for an assay method.
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Affiliation(s)
- S M Chamow
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes, Digestive and Kidney Diseases, Bethesda, Maryland 20892
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33
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Capon C, Cache P, Leroy Y, Strecker G, Montreuil J, Fournet B. Isolation of the major O-glycosidically linked oligosaccharides obtained by alkaline borohydride degradation of human meconium glycoproteins. JOURNAL OF CHROMATOGRAPHY 1988; 425:35-45. [PMID: 3360877 DOI: 10.1016/0378-4347(88)80004-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Neutral and acidic oligosaccharides derived from human meconium glycoproteins by alkaline borohydride degradation have been separated by high-performance liquid chromatography on a Micro-Pak anion-exchange column. In each class, oligosaccharides were purified by normal-phase (neutral and acidic oligosaccharides) and reversed-phase (neutral oligosaccharides) chromatography. Effective separations of neutral oligosaccharides and acidic oligosaccharides were achieved.
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Affiliation(s)
- C Capon
- Laboratoire de Chimie Biologique, Unité Associée au CNRS No. 217, Université des Sciences et Techniques de Lille Flandres-Artois, Villeneuve d'Ascq, France
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34
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Iwase H, Ishii I, Ishihara K, Tanaka Y, Omura S, Hotta K. Release of oligosaccharides possessing reducing-end N-acetylgalactosamine from mucus glycoprotein in Streptomyces sp. OH-11242 culture medium through action of endo-type glycosidase. Biochem Biophys Res Commun 1988; 151:422-8. [PMID: 3348784 DOI: 10.1016/0006-291x(88)90610-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A crude enzyme preparation from a culture medium of Streptomyces sp. OH-11242 contained endo-alpha-N-acetylgalactosaminidase activity. The activity could be induced by the addition of purified porcine gastric mucin to the culture medium. Oligosaccharides corresponding to approximately 2-14 glucose units were detected in the culture medium and also in an incubated reaction mixture of crude enzyme preparation and mucus glycoprotein. The resulting product with N-acetylgalactosamine at the reducing terminal implied the presence of a new type of endo-glycosidase liberating not only Gal beta 1-3GalNAc but also other larger oligosaccharides by hydrolysis of the O-glycosidic linkage between GalNAc and Ser (Thr).
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Affiliation(s)
- H Iwase
- Department of Biochemistry, School of Medicine, Kitasato University, Kanagawa, Japan
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35
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Wu AM. Structural concepts of the human blood group A, B, H, Le(a), Le(b), I and i active glycoproteins purified from human ovarian cyst fluid. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1988; 228:351-94. [PMID: 3051918 DOI: 10.1007/978-1-4613-1663-3_14] [Citation(s) in RCA: 53] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Regardless of the A, B, H, Le(a), Le(b), I and i activity, purified water-soluble blood group glycoproteins from human ovarian cyst fluid have a similar overall structure. They are polydisperse macromolecules (Mr 2.0 x 10(5) to several million) of similar composition (75 to 85% carbohydrate, 15 to 20% protein) and consist of multiple heterosaccharide side chains attached by an O-glycosidic linkage at their internal reducing ends to serine or threonine of the polypeptide backbone. About 90% of these carbohydrate side chains range in size from one to less than twenty-four sugar residues (twelve sugars in the internal structure and twelve key sugars specific as blood group determinants). Three-fourths of these side chains contain fewer than twelve sugars. A generalized blood group active carbohydrate chain is shown above. Three disaccharide units-Type I chain (Gal beta 1----3GlcNAc beta 1----3), Type II chain (Gal beta 1----4GlcNAc beta 1----6) and T determinant [Gal beta 1----3GalNAc alpha 1----Ser(Thr)]-are used to elucidate the internal structure of the carbohydrate chains. The complete internal structure is considered to have a core structure with four branches, to which the blood group key sugars are attached at the appropriate locations. The core structure is a tetrasaccharide, composed of one unit of Type I chain at the nonreducing end and the T determinant at the other end, linked to Ser or Thr of the protein moiety. Branch I is Type I chain and Branch II is Type II chain. They are linked to Gal at the nonreducing end of the core structure. Branch III is usually a Type II chain, but may sometimes be a Type I chain, linked to the GalNAc of the reducing end. The length of Branch III can be increased by adding one or more monosaccharides of Type I chain sequence such as Gal beta 1----3GlcNAc beta 1----3Gal beta 1----4GlcNAc beta 1----6GalNAc alpha 1----Ser(Thr), a combination of Type I and Type II chains. A new Branch IV is made up of Type II chain, which in turn is linked to the Gal end of the T determinant. The Type II chains react with the antibody to the type XIV pneumococcal capsular polysaccharide and with the anti-I(Ma) cold agglutinin.(ABSTRACT TRUNCATED AT 400 WORDS)
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Affiliation(s)
- A M Wu
- Department of Veterinary Pathology, Texas A&M University, College Station 77843
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36
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Dube VE. The structural relationship of blood group-related oligosaccharides in human carcinoma to biological function: a perspective. Cancer Metastasis Rev 1987; 6:541-57. [PMID: 3327632 DOI: 10.1007/bf00047467] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Blood group-related oligosaccharides have been isolated from a limited number of carcinomas. The carcinoma-associated oligosaccharides show chain elongation, for example due to repeating Gal 1,4 GlcNAc 1,3 sequences, or a higher degree of branching, which permit increased sialylation and fucosylation. Abnormal carbohydrate structures have been demonstrated on tumor cell membranes by immunological techniques, which suggests deletion of ABH, accumulation of 'crypt' antigens such as I and T antigens, and abnormal expression of Lewis antigens. Changes in carcinoma-associated oligosaccharides can result from altered biosynthetic processing in the Golgi apparatus or the occurrence of abnormal tumor glycosyltransferase isoenzymes. Structural alterations of oligosaccharides on the tumor cell membrane are related to the regulation of tumor growth, cell-cell interaction, cell differentiation, and metastasis. Glycoproteins secreted by tumor cells into the circulation evoke cellular and humoral immunity and cause immune suppression by binding to cytotoxic T lymphocytes and lymphocyte subsets. The relationship of oligosaccharide structures to biologic function awaits elucidation.
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Affiliation(s)
- V E Dube
- Department of Pathology and Laboratory Medicine, Evanston Hospital, IL 60201
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Wu SS, Lee AC, Bush CA. Isolation of a novel O-linked, sulfated polysaccharide of high molecular weight from an ovarian cyst glycoprotein having blood group "A" activity. BIOCHIMICA ET BIOPHYSICA ACTA 1987; 924:420-31. [PMID: 3593760 DOI: 10.1016/0304-4165(87)90156-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Treatment of a blood group A-active ovarian cyst mucin glycoprotein with alkaline borohydride under conditions expected to cleave O-glycosidic linkages between carbohydrate and peptide releases a sulfated polysaccharide of average molecular weight 20,000. Its peptide and mannose content is less than 1%, and carbohydrate analysis gives Fuc/GalNAc/Gal/GlcNAc in the ratio of 1:1:2.2:2.2. Galactosaminitol is recovered at the level of one residue per 112-residue average polysaccharide chain. The 13C- and 1H-NMR spectra show that the polysaccharide has side chains whose non-reducing terminals have the blood group A structure on a type 1 chain: (Formula: see text). Methylation analysis confirms the presence of these blood group A type 1 sidechains as well as 4-substituted GlcNAc, 3-substituted galactose and 3,6-substituted galactose branch points. Periodate oxidation removes all the fucose and GalNAc from the non-reducing terminal but leaves intact the backbone composed of beta-linked Gal and GlcNAc, as would be expected for a polylactosamine. Although the native polysaccharide is resistant to endo-beta-galactosidase digestion, the product of periodate degradation is partially digested, giving a 30% yield of a trisaccharide shown by 1H-NMR spectroscopy to be: Gal(beta 1----3)GlcNAc(beta 1----3)Gal We conclude that this is a high molecular weight sulfated polysaccharide which is related to the asparagine-linked polylactosamine chains of cell surface glycoproteins which have been implicated in cell differentiation. However, the blood group A polysaccharide from the ovarian cyst mucin is unique in several respects. It is linked to the protein by an O-glycosidic bond rather than the N-asparagine linkage of the previously known polylactosamines which have a trimannosyl core, and its blood group A side chains are on a type 1 core rather than type 2 which is found on other polylactosamines.
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Sakamoto Y, Kamada M, Irahara M, Hasebe H, Daitoh T, Furumoto H, Kishi Y, Mori T. Differences in clinical significance of blood group antigens A, B, and H in carcinoma tissue in the uterine cervix. Gynecol Oncol 1986; 25:195-203. [PMID: 3758829 DOI: 10.1016/0090-8258(86)90099-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The losses of blood group antigens A, B, and H in carcinoma tissue of the uterine cervix were studied by the avidin-biotin-peroxidase complex (ABC) method and the relations of these losses to invasion and dedifferentiation of primary cancer were examined. The incidence of cases showing complete loss of A or B antigen increased in proportion to the progression of cancer, but in most cases even of invasive cancer, H antigen, the precursor of A and B antigens, was detected. Complete loss of H antigen was not demonstrated in well-differentiated keratinizing invasive carcinomas, but was seen in 15% (15/101) of the cases of large cell non-keratinizing type cancer and 50% (8/16) of those of small cell non-keratinizing type cancer. No relationship was found between losses of A, B, and H antigens and parametrial spread of carcinoma or metastasis to the pelvic lymph nodes, but the incidence of death within 2 years after hysterectomy was higher in H antigen-negative cases than in H antigen-positive cases. These results indicate that loss of A and B antigens depends on some activity of invasion of cancer, while loss of H antigen strongly indicates dedifferentiation of cancer cells and also may indicate a poor prognosis.
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39
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Sikder SK, Kabat EA, Roberts DD, Goldstein IJ. Immunochemical studies on the combining site of the blood group A-specific lima bean lectin. Carbohydr Res 1986; 151:247-60. [PMID: 3768892 DOI: 10.1016/s0008-6215(00)90345-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The combining site of the lima bean (Phaseolus lunatus) lectin (LBL) was studied by quantitative precipitin and precipitin-inhibition assays. The lectin precipitated best with hog gastric mucosa and human ovarian cyst blood group A1 substances and moderately with A2 substances. B substances precipitated very poorly and H, Lea, Leb, and precursor I substances did not react. Blood group A1 and A2 substances reacted to varying extents and these differences are attributable to heterogeneity resulting from incomplete biosynthesis of carbohydrate chains. By inhibition of precipitation of LBL with A1 blood group substance, the lectin was found to be most specific for fucose-containing oligosaccharides having the A trisaccharide, DGalNAc alpha 1----3[L-Fuc alpha 1----2]DGal determinant. The best inhibitor, an A-specific hexasaccharide, DGalNAc alpha 1----3[LFuc alpha 1----2]DGal beta 1----3DGlcNAc beta 1----3-DGal beta 1----4DGlc, was 11 times more active than the A trisaccharide. A difucosyl oligosaccharide with a second fucose linked alpha 1----3 to the DGlcNAc is less active; fucose linked alpha 1----4 to DGlcNAc was completely inactive. These results suggest that specific interactions with the subterminal sugars may be important in the binding, and that the specificity of the lectin combining site involves at least the nonreducing terminal four and probably five sugars of the hexasaccharide. Thus LBL has a more-extended binding site than was inferred previously and is in the upper range of antibody combining-site sizes.
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40
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41
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Hanfland P, Kordowicz M, Peter-Katalinic J, Pfannschmidt G, Crawford RJ, Graham HA, Egge H. Immunochemistry of the Lewis blood-group system: isolation and structures of Lewis-c active and related glycosphingolipids from the plasma of blood-group O Le(a-b-) nonsecretors. Arch Biochem Biophys 1986; 246:655-72. [PMID: 2423032 DOI: 10.1016/0003-9861(86)90322-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Five different glycosphingolipid fractions (GL-3, 285 micrograms; GL-5, 1090 micrograms; GL-6, 615 micrograms; GL-7, 555 micrograms; and GL-8, 155 micrograms) have been isolated from 25 liters of plasma of O Le(a-b-) nonsecretors by means of ethanol extraction, several steps of Folch distribution, and reversed-phase, silicic acid, and ion-exchange column chromatography of native or peracetylated substances. Final purification, accomplished by preparative silica gel high-performance thin-layer chromatography, led to chromatographic homogeneity of GL-3 and GL-6. In the hemagglutination inhibition as well as quantitative passive hemagglutination techniques two of these substances (GL-3, GL-5) exhibited distinct, and the other three (GL-6-GL-8) very strong, Lec blood-group activities when tested against two different Lec antisera of human or goat origin. The fragments' structures were elucidated by fast atom bombardment and electron impact mass spectrometry of permethylated derivatives in order to determine molecular weight, sugar sequence, position of branching points, and type of oligosaccharide chains, as well as fatty acid and sphingosine patterns of the ceramide residue. Combined gas-liquid chromatography and mass spectrometry of partially methylated alditol acetates identified sugar composition and glycosidic linkages. Thus, the following structures could be established: (formula; see text) In contrast to the structurally homogeneous GL-3, minor amounts of 4-O-substituted GlcNAc pointed to a small contamination of GL-6 by branched type 2 ceramide nonasaccharide analogs. Glycolipids containing hepta- or nonasaccharides as in GL-3 or GL-6 could also be identified in fractions GL-5 (ceramide heptasaccharide) and GL-7 and GL-8 (ceramide nonasaccharide). These latter fractions revealed, however, distinct heterogeneity due to the presence of a small amount of either a type 2 analog of GL-3 (GL-5) or linear, mainly type 2, ceramide hexa- (GL-5, GL-7) or octasaccharides (GL-8). In addition to previous immunochemical communications the presented Lec active structures of GL-3 and GL-6 provide evidence that 3-fucosyl-N-acetyllactosamine in combination with a type 1 based oligosaccharide sequence and a 3,6-galactosyl branching point are essential parts of the Lec antigenic determinant (as marked in the formula of GL-6).
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Nagrani S, Bisby RH. Radiolysis of human gastric glycopolypeptides in aqueous solution. INTERNATIONAL JOURNAL OF RADIATION BIOLOGY AND RELATED STUDIES IN PHYSICS, CHEMISTRY, AND MEDICINE 1986; 49:683-91. [PMID: 3007384 DOI: 10.1080/09553008514552931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The degradation of human gastric glycopolypeptides by hydroxyl radicals formed in irradiated N2O-saturated aqueous solution has been investigated. Gel exclusion chromatography shows the formation of lower molecular weight degradation products after irradiation and the appearance of unsaturated carbonyl-containing products which absorb in the ultra-violet. The radiation-induced destruction of individual monosaccharides in three human glycopolypeptides having different oligosaccharide chains has been measured. The results indicate that the structure of the oligosaccharide chain determines the extent of destruction of each type of monosaccharide present.
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Fleming S, Brown G. Distribution of fucosylated N-acetyl lactosamine carbohydrate determinants during embryogenesis of the kidney in man. THE HISTOCHEMICAL JOURNAL 1986; 18:61-6. [PMID: 2426222 DOI: 10.1007/bf01675358] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The monoclonal antibodies AGF4.48 and AGF4.36 raised against the promyeloid cell line HL60 recognise a fucosylated N-acetyl lactosamine determinant. This oligosaccharide sequence has been shown to be present on a variety of tissues at different developmental stages. Using the immunoperoxidase technique and the AGF4.48 and AGF4.36 antibodies on formalin-fixed, paraffin-embedded tissues, the distribution of the corresponding antigenic determinants during human renal embryogenesis has been studied. Both antibodies bind to the surface of the cells of the ampullae of the ingrowing ureteric bud branches, but not to the remainder of the ureteric bud. Reactivity at this site persists until after fusion of the ureteric bud with the S-shaped tubule, but is then lost. The determinants are also found on different segments of the proximal convoluted tubule in the foetal and adult kidney. The determinants are thus found on the cells responsible for induction of renal tubulogenesis, and separately at specific stages and functionally distinct sites on the developing tubule.
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Chen HT, Kabat EA. Immunochemical studies on blood groups. The combining site specificities of mouse monoclonal hybridoma anti-A and anti-B. J Biol Chem 1985. [DOI: 10.1016/s0021-9258(17)38857-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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45
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van Halbeek H, Vliegenthart JF, Fiat AM, Jollès P. Isolation and structural characterization of the smaller-size oligosaccharides from desialylated human kappa-casein. Establishment of a novel type of core for a mucin-type carbohydrate chain. FEBS Lett 1985; 187:81-8. [PMID: 4018257 DOI: 10.1016/0014-5793(85)81219-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Alkaline borohydride reductive cleavage (beta-elimination) of desialylated human kappa-caseinoglycopeptide resulted in the release of a series of oligosaccharides. The smaller-size compounds among them were purified to virtual homogeneity by gel filtration followed by high-performance liquid chromatography. The structures of 9 oligosaccharides were determined by 1H-NMR spectroscopy in conjunction with sugar analysis. The tetrasaccharide Gal beta(1----3)[Gal beta(1----4)GlcNAc beta(1----6)] GalNAc-ol and various partial structures thereof were characterized. Notably, the disaccharide GlcNAc beta(1----6)GalNAc-ol and the trisaccharide Gal beta(1----4)GlcNAc beta(1----6)GalNAc-ol were identified; they represent a novel type of core structure for mucin-type carbohydrate chains, namely a peptide-linked GalNAc that is mono-substituted at C-6. In addition, some oligosaccharides ending in GlcNAc-ol could be characterized. Their possible origin is discussed.
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Lönn H. Synthesis of a tetra- and a nona-saccharide which contain alpha-L-fucopyranosyl groups and are part of the complex type of carbohydrate moiety of glycoproteins. Carbohydr Res 1985; 139:115-21. [PMID: 4028048 DOI: 10.1016/0008-6215(85)90012-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Methyl trifluoromethanesulfonate-promoted condensation of ethyl 6-O-benzyl-2-deoxy-2-phthalimido-4-O-(2,3,4,6-tetra-O-acetyl-beta-D- galactopyranosyl)-1-thio-3-O-(2,3,4-tri-O-benzyl-alpha-L-fucopyranosyl)- beta-D- glucopyranoside with benzyl 3,4,6-tri-O-benzyl-alpha-D-mannopyranoside and benzyl 2,4-di-O-benzyl-3,6-di-O-(3,4,6-tri-O-benzyl-alpha-D-mannopyranosyl)-alp ha-D- mannopyranoside gave a tetrasaccharide and a nonasaccharide derivative, respectively. The tetrasaccharide 1 and the nonasaccharide 2 were obtained after removal of the protecting groups and N-acetylation. (formula: see text).
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Feizi T. Demonstration by monoclonal antibodies that carbohydrate structures of glycoproteins and glycolipids are onco-developmental antigens. Nature 1985; 314:53-7. [PMID: 2579340 DOI: 10.1038/314053a0] [Citation(s) in RCA: 896] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The hope that hybridoma antibodies would reveal unique cell surface antigens during embryogenesis, differentiation and oncogenesis has been replaced by the realization that such antigens are mainly carbohydrate structures of glycoproteins and glycolipids occurring in many cell types. These findings either may reflect limitations in the methods of selection of hybridoma antibodies or may point to important roles for the diverse carbohydrate structures as receptors for regulators of cell growth and differentiation.
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48
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Variant forms of?-2-l-fucosyltransferase in human submaxillary glands from blood group ABH ?secretor? and ?non-secretor? individuals. Glycoconj J 1985. [DOI: 10.1007/bf01225113] [Citation(s) in RCA: 34] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Conformations and interactions of oligosaccharides related to the ABH and Lewis blood groups. POLYSACCHARIDES 1985. [DOI: 10.1007/978-1-349-06369-7_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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50
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Morton PA, Steiner SM. Extracellular and cellular proteins of rat cells with O-glycosidically linked fucose. Biochem J 1985; 225:59-65. [PMID: 3977832 PMCID: PMC1144553 DOI: 10.1042/bj2250059] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Fucose-labelled proteins were examined for the release of low-Mr O-linked fucose substituents after mild alkaline-borohydride treatment. A component tentatively identified as glucosylfucitol (DS) and an apparently higher-Mr component (TS), which also contained fucitol, were observed to be released over a broad molecular-size range of proteins. Approx. 90% of the DS-releasing proteins were in the particulate fraction, whereas only approx. 66% of the TS-releasing proteins were in that fraction. In addition to cell-associated proteins, a substantial proportion of DS-containing proteins were shed into the medium. For example, after 96 h of labelling there was 6-fold more of these components in the growth medium than were cell-associated. Moreover, the incorporation of labelled fucose into both the DS and TS appeared to be cell-population-density-dependent. Despite the apparent wide distribution of these novel fucose substituents in cellular proteins, it seems reasonable to suggest that they have not been routinely observed largely because each represents less than 0.5% of the fucose bound to protein.
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