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Strategic glycan elution map for the production of human-type N-linked oligosaccharides: the case of hen egg yolk and white. Biosci Biotechnol Biochem 2009; 73:543-51. [PMID: 19270371 DOI: 10.1271/bbb.80598] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Glycans play important roles in various biological phenomena, but the lack of a systematic procedure for producing complex structures of glycans severely restricts their application in the medical and industrial fields. In this paper, we propose a basic strategy for the preparation of substantial amounts (>100 mg) of N-linked oligosaccharides, where the structure of each glycan is mapped with its elution position in liquid chromatography as well as the empirical yield. In model experiments using hen egg white and yolk as starting materials, the former provided a series of agalactosylated complex-type and hybrid-type N-linked oligosaccharides containing bisecting N-acetylglucosamine (GlcNAc) in addition to two high-mannose type glycans. In contrast, egg yolk gave predominantly alpha2-6sialylated biantennary glycans together with a high-mannose type one, reflecting the difference in the origins of the tissues. Due to the total identity of the glycans obtained to human ones, the present strategy should provide a practical scheme for the production of human-type N-linked oligosaccharides.
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Gubbels JAA, Belisle J, Onda M, Rancourt C, Migneault M, Ho M, Bera TK, Connor J, Sathyanarayana BK, Lee B, Pastan I, Patankar MS. Mesothelin-MUC16 binding is a high affinity, N-glycan dependent interaction that facilitates peritoneal metastasis of ovarian tumors. Mol Cancer 2006; 5:50. [PMID: 17067392 PMCID: PMC1635730 DOI: 10.1186/1476-4598-5-50] [Citation(s) in RCA: 300] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2006] [Accepted: 10/26/2006] [Indexed: 12/25/2022] Open
Abstract
Background The mucin MUC16 and the glycosylphosphatidylinositol anchored glycoprotein mesothelin likely facilitate the peritoneal metastasis of ovarian tumors. The biochemical basis and the kinetics of the binding between these two glycoproteins are not clearly understood. Here we have addressed this deficit and provide further evidence supporting the role of the MUC16-mesothelin interaction in facilitating cell-cell binding under conditions that mimic the peritoneal environment. Results In this study we utilize recombinant-Fc tagged human mesothelin to measure the binding kinetics of this glycoprotein to MUC16 expressed on the ovarian tumor cell line OVCAR-3. OVCAR-3 derived sublines that did not express MUC16 showed no affinity for mesothelin. In a flow cytometry-based assay mesothelin binds with very high affinity to the MUC16 on the OVCAR-3 cells with an apparent Kd of 5–10 nM. Maximum interaction occurs within 5 mins of incubation of the recombinant mesothelin with the OVCAR-3 cells and significant binding is observed even after 10 sec. A five-fold molar excess of soluble MUC16 was unable to completely inhibit the binding of mesothelin to the OVCAR-3 cells. Oxidation of the MUC16 glycans, removal of its N-linked oligosaccharides, and treatment of the mucin with wheat germ agglutinin and erythroagglutinating phytohemagglutinin abrogates its binding to mesothelin. These observations suggest that at least a subset of the MUC16-asscociated N-glycans is required for binding to mesothelin. We also demonstrate that MUC16 positive ovarian tumor cells exhibit increased adherence to A431 cells transfected with mesothelin (A431-Meso+). Only minimal adhesion is observed between MUC16 knockdown cells and A431-Meso+ cells. The binding between the MUC16 expressing ovarian tumor cells and the A431-Meso+ cells occurs even in the presence of ascites from patients with ovarian cancer. Conclusion The strong binding kinetics of the mesothelin-MUC16 interaction and the cell adhesion between ovarian tumor cells and A431-Meso+ even in the presence of peritoneal fluid strongly support the importance of these two glycoproteins in the peritoneal metastasis of ovarian tumors. The demonstration that N-linked glycans are essential for mediating mesothlein-MUC16 binding may lead to novel therapeutic targets to control the spread of ovarian carcinoma.
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Affiliation(s)
- Jennifer AA Gubbels
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, USA
| | - Jennifer Belisle
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, USA
| | - Masanori Onda
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Claudine Rancourt
- Department of Microbiology and Infectiology, Universite de Sherbrooke, Sherbrooke, Canada
| | - Martine Migneault
- Department of Microbiology and Infectiology, Universite de Sherbrooke, Sherbrooke, Canada
| | - Mitchell Ho
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Tapan K Bera
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Joseph Connor
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, USA
| | - Bangalore K Sathyanarayana
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Byungkook Lee
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Ira Pastan
- Laboratory of Molecular Biology, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Manish S Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, USA
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Hase S. Chapter 28 Pre- and post-column detection-oriented derivatization techniques in HPLC of carbohydrates. JOURNAL OF CHROMATOGRAPHY LIBRARY 2002. [DOI: 10.1016/s0301-4770(02)80053-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Oliveira PFD, Doná F, Marcelli M, Cardoso M, Silva MDLCD. Obtenção de oligossacarídeos N-ligados às glicoproteínas dos líquens Sticta tomentosa e Sticta damaecornis. ECLÉTICA QUÍMICA 2002. [DOI: 10.1590/s0100-46702002000200018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
As glicoproteínas dos líquens Sticta tomentosa e Sticta damaecornis foram extraídas utilizando-se tampão específico e fracionadas pela adição crescente de sulfato de amônio. Dentre os diferentes cortes de saturação obtidos, as frações 30-80% de ambos os líquens foram eleitas objeto de estudo desta pesquisa. Métodos químicos e enzimáticos foram aplicados para a obtenção de oligossacarídeos N-ligados, que em seguida, foram derivatizados resultando em tirosinamida-oligossacarídeos. Após inserção do grupo cromóforo nas estruturas oligossacarídicas, os mesmos foram purificados por HPLC com detecção em 280 nm. Em relação ao líquen Sticta tomentosa, os cromatogramas revelaram a presença de dois picos com tempos de retenção de aproximadamente 11 e 18 minutos sugerindo a presença de dois diferentes oligossacarídeos N-ligados. O líquen Sticta damaecornis, seguindo as mesmas condições de purificação, apresentou em cromatografia quatro picos distintos com tempos de 11, 13, 18,2 e 18,4 minutos, respectivamente, sugerindo por sua vez a presença de quatro oligossacarídeos N-ligados diferentes.
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Affiliation(s)
- K G Rice
- Division of Medicinal Chemistry and Pharmaceutics, College of Pharmacy, University of Michigan, Ann Arbor 48109-1065, USA
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Mo H, Rice KG, Evers DL, Winter HC, Peumans WJ, Van Damme EJ, Goldstein IJ. Xanthosoma sagittifolium tubers contain a lectin with two different types of carbohydrate-binding sites. J Biol Chem 1999; 274:33300-5. [PMID: 10559206 DOI: 10.1074/jbc.274.47.33300] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
An unusual lectin possessing two distinctly different types of carbohydrate-combining sites was purified from tubers of Xanthosoma sagittifolium L. by consecutive passage through two affinity columns, i.e. asialofetuin-Sepharose and invertase-Sepharose. SDS-polyacrylamide gel electrophoresis, N-terminal amino acid sequencing, and gel filtration chromatography of the purified lectin showed that the X. sagittifolium lectin is a heterotetrameric protein composed of four 12-kDa subunits (alpha(2)beta(2)) linked by noncovalent bonds. The results obtained by quantitative precipitation and hapten inhibition assays revealed that the lectin has two different types of carbohydrate-combining sites: one type for oligomannoses, which preferentially binds to a cluster of nonreducing terminal alpha1,3-linked mannosyl residues, and the other type for complex N-linked carbohydrates, which best accommodates a non-sialylated, triantennary oligosaccharide with N-acetyllactosamine (i.e. Galbeta1,4GlcNAc-) or lacto-N-biose (i.e. Galbeta1,3GlcNAc-) groups at its three nonreducing termini.
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Affiliation(s)
- H Mo
- Department of Biological Chemistry, University of Michigan, Medical School, Ann Arbor, Michigan 48109-0606, USA
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Evers DL, Hung RL, Thomas VH, Rice KG. Preparative purification of a high-mannose type N-glycan from soy bean agglutinin by hydrazinolysis and tyrosinamide derivatization. Anal Biochem 1998; 265:313-6. [PMID: 9882408 DOI: 10.1006/abio.1998.2895] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The N-linked oligosaccharide from soy bean agglutinin (Man9) was isolated on a preparative scale following derivatization with Boc-tyrosine. The procedure utilized preparative hydrazinolysis to release the oligosaccharide and yielded multi-micromol quantities of Boc-tyrosine-Man9 which was characterized by 1H NMR and ES-MS.
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Affiliation(s)
- D L Evers
- Division of Medicinal Chemistry and Division of Pharmaceutics, College of Pharmacy, University of Michigan, 428 Church Street, Ann Arbor, Michigan, 48109-1065, USA
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Monsigny M, Quétard C, Bourgerie S, Delay D, Pichon C, Midoux P, Mayer R, Roche AC. Glycotargeting: the preparation of glyco-amino acids and derivatives from unprotected reducing sugars. Biochimie 1998; 80:99-108. [PMID: 9587667 DOI: 10.1016/s0300-9084(98)80016-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Lectins are present on the surface of many cells. Many lectins actively recycle from membrane to endosomes and efficiently take up glycoconjugates in a sugar-dependent manner. On this basis, glycoconjugates, specially those obtained by chemical means, are good candidates as carriers of drugs, oligonucleotides or genes. In this paper, we present a panel of methods suitable to transform unprotected reducing oligosaccharides into glycosynthons designed to be easily linked to therapeutic agents. All the glycosynthons presented here are glycosylamines or derivatives, mainly glyco-amino acids or glycopeptides. Glycosylamines are easy to obtain, but they are very labile in slightly acidic or neutral medium; they must be stabilized, by acylation for instance. The coupling efficiency of a reducing sugar with ammonia as well as an alkylamine or an arylamine is higher at high temperature, however, because of the Amadori rearrangement, special conditions have to be selected to prepare the expected glycosylamine derivative with a high yield. Glycosylamines are easily acylated by N-protected amino acids, or by halogeno acids which can then be transformed into amino acids. Alternatively, unprotected reducing oligosaccharides may very efficiently be transformed into N-glycosyl-amino acids and then protected by N-acylation. With a glutamyl derivative having both the alpha-amino and the gamma-carboxylic groups free, the coupling and the acylation, which is intramolecular, are roughly quantitative. N-oligosaccharyl-amino acid derivatives are interesting glycosynthons, because their sugar moiety bears the specificity towards membrane lectins while the amino acid part has the capacity to easily substitute a therapeutic agent.
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Affiliation(s)
- M Monsigny
- Centre de Biophysique Moléculaire, CNRS, Orléans, France
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Stubbs HJ, Shia MA, Rice KG. Preparative purification of tetraantennary oligosaccharides from human asialyl orosomucoid. Anal Biochem 1997; 247:357-65. [PMID: 9177699 DOI: 10.1006/abio.1997.2070] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
An approach to isolate micromole quantities of tetraantennary oligosaccharides from human orosomucoid is presented. The N-linked oligosaccharides from 500 mg of the glycoprotein were released enzymatically, desialylated, and isolated free of protein using ion exchange chromatography. The pooled oligosaccharides were converted into oligosaccharide glycosylamines by reaction with ammonium bicarbonate then coupled to BOC-tyrosine to prepare tyrosinamide oligosaccharides. These were resolved on semipreparative RP-HPLC to recover micromole quantities of six purified tyrosinamide oligosaccharides. The oligosaccharide structures were elucidated by a combination of high-field proton NMR and matrix-assisted time of flight mass spectrometry and included biantennary, triantennary, monofucosylated triantennary, tetraantennary, monofucosylated tetraantennary, and a tetraantennary containing a single polylactosamine extension. Edman degradation was utilized to reverse the tyrosinamide oligosaccharide derivatization leading to the generation of reducing oligosaccharides. These were used to characterize the elution profile of asialyl orosomucoid oligosaccharides on high pH anion exchange chromatography. This application of tyrosinamide derivatization has allowed for the first time the complete resolution of the complex oligosaccharide mixture from orosomucoid on a semipreparative scale in a single chromatogram and provide the first NMR characterization of polylactosamine tetraantennary oligosaccharide from this substrate. This study demonstrates the broad utility of the tyrosinamide derivatization to develop oligosaccharide libraries useful for probing the biological functions of glycosylation.
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Affiliation(s)
- H J Stubbs
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor 48109-1065, USA
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Collard WT, el Halaby JM, Rice KG. A novel approach to 14C label N-linked oligosaccharides. Anal Biochem 1997; 247:448-50. [PMID: 9177713 DOI: 10.1006/abio.1997.2071] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- W T Collard
- Division of Pharmaceutics, College of Pharmacy, University of Michigan, Ann Arbor 48109, USA
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Abstract
N-linked oligosaccharides from glycoproteins can be either analyzed on a sub-nanomole scale or preparatively purified on a multi-micromole scale. Each goal necessitates a unique analytical strategy often involving oligosaccharide derivatization to enhance separation and detection. Tyrosinamide-oligosaccharides were developed to facilitate the preparative purification of N-linked oligosaccharides. These have found many uses in oligosaccharide remodeling, in the preparation of neoglycoconjugates, in developing receptor probes, and even as analytical standards in chromatography. This review discusses progress in the preparation of tyrosinamide-oligosaccharides from different glycoproteins and their utility in glycobiology research.
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Affiliation(s)
- K G Rice
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, Ohio State University, Columbus 43210, USA
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