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In vivo imaging of fluorescent albumin modified with pyruvylated-human-type complex oligosaccharide reveals sialylation-like biodistribution and kinetics. Bioorg Med Chem 2022; 70:116943. [PMID: 35905685 DOI: 10.1016/j.bmc.2022.116943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/19/2022] [Accepted: 07/19/2022] [Indexed: 11/20/2022]
Abstract
Both pyruvylation and sialylation onto the terminus of oligosaccharides of N-glycoproteins seem to be structurally and functionally similar with a property of conferring negative charge. However, detailed molecular characteristics of pyruvylation and sialylation in vivo were elusive. Here, to investigate an effect of terminal pyruvylation to N-glycan on in vivo biodistribution and kinetics, we prepared human serum albumin (HSA) modified with pyruvylated N-glycan (PvG), conjugated with HiLyte Fluor 750 (FL750-PvGHSA). In vivo imaging by using FL750-PvGHSA revealed that terminally pyruvylated N-glycoalbumin was excreted like sialylated N-glycoalbumin, suggesting that pyruvylation mimics sialylation in in vivo biodistribution and kinetics of N-glycoproteins. Terminal pyruvylation onto N-glycans can be a potential tool for a novel glycoengineering strategy.
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2
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2011-2012. MASS SPECTROMETRY REVIEWS 2017; 36:255-422. [PMID: 26270629 DOI: 10.1002/mas.21471] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
This review is the seventh update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2012. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, and fragmentation are covered in the first part of the review and applications to various structural types constitute the remainder. The main groups of compound are oligo- and poly-saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Much of this material is presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. © 2015 Wiley Periodicals, Inc. Mass Spec Rev 36:255-422, 2017.
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Affiliation(s)
- David J Harvey
- Department of Biochemistry, Oxford Glycobiology Institute, University of Oxford, Oxford, OX1 3QU, UK
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3
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Wratil PR, Horstkorte R, Reutter W. Metabolic Glycoengineering with N-Acyl Side Chain Modified Mannosamines. Angew Chem Int Ed Engl 2016; 55:9482-512. [PMID: 27435524 DOI: 10.1002/anie.201601123] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Indexed: 12/14/2022]
Abstract
In metabolic glycoengineering (MGE), cells or animals are treated with unnatural derivatives of monosaccharides. After entering the cytosol, these sugar analogues are metabolized and subsequently expressed on newly synthesized glycoconjugates. The feasibility of MGE was first discovered for sialylated glycans, by using N-acyl-modified mannosamines as precursor molecules for unnatural sialic acids. Prerequisite is the promiscuity of the enzymes of the Roseman-Warren biosynthetic pathway. These enzymes were shown to tolerate specific modifications of the N-acyl side chain of mannosamine analogues, for example, elongation by one or more methylene groups (aliphatic modifications) or by insertion of reactive groups (bioorthogonal modifications). Unnatural sialic acids are incorporated into glycoconjugates of cells and organs. MGE has intriguing biological consequences for treated cells (aliphatic MGE) and offers the opportunity to visualize the topography and dynamics of sialylated glycans in vitro, ex vivo, and in vivo (bioorthogonal MGE).
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Affiliation(s)
- Paul R Wratil
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité-Universitätsmedizin Berlin, Arnimallee 22, 14195, Berlin, Germany.
| | - Rüdiger Horstkorte
- Institut für Physiologische Chemie, Martin-Luther-Universität Halle-Wittenberg, Hollystrasse 1, 06114, Halle, Germany.
| | - Werner Reutter
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie, Charité-Universitätsmedizin Berlin, Arnimallee 22, 14195, Berlin, Germany
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Wratil PR, Horstkorte R, Reutter W. Metabolisches Glykoengineering mitN-Acyl-Seiten- ketten-modifizierten Mannosaminen. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601123] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Paul R. Wratil
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie; Charité - Universitätsmedizin Berlin; Arnimallee 22 14195 Berlin Deutschland
| | - Rüdiger Horstkorte
- Institut für Physiologische Chemie; Martin-Luther-Universität Halle-Wittenberg; Hollystraße 1 06114 Halle Deutschland
| | - Werner Reutter
- Institut für Laboratoriumsmedizin, Klinische Chemie und Pathobiochemie; Charité - Universitätsmedizin Berlin; Arnimallee 22 14195 Berlin Deutschland
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St. Amand MM, Hayes J, Radhakrishnan D, Fernandez J, Meyer B, Robinson AS, Ogunnaike BA. Identifying a robust design space for glycosylation during monoclonal antibody production. Biotechnol Prog 2016; 32:1149-1162. [DOI: 10.1002/btpr.2316] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Revised: 05/08/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Melissa M. St. Amand
- Dept. of Chemical and Biomolecular Engineering; University of Delaware; Newark DE 19716
| | - James Hayes
- Biopharm Process Development, GlaxoSmithKline; King of Prussia PA 19406
| | - Devesh Radhakrishnan
- Dept. of Chemical and Biomolecular Engineering; University of Delaware; Newark DE 19716
| | - Janice Fernandez
- Biopharm Process Development, GlaxoSmithKline; King of Prussia PA 19406
| | - Bill Meyer
- Biopharm Process Development, GlaxoSmithKline; King of Prussia PA 19406
| | - Anne S. Robinson
- Dept. of Chemical and Biomolecular Engineering; University of Delaware; Newark DE 19716
- Dept. of Chemical and Biomolecular Engineering; Tulane University; New Orleans LA 70118
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6
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Higuchi Y, Yoshinaga S, Yoritsune KI, Tateno H, Hirabayashi J, Nakakita SI, Kanekiyo M, Kakuta Y, Takegawa K. A rationally engineered yeast pyruvyltransferase Pvg1p introduces sialylation-like properties in neo-human-type complex oligosaccharide. Sci Rep 2016; 6:26349. [PMID: 27194449 PMCID: PMC4872226 DOI: 10.1038/srep26349] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 04/29/2016] [Indexed: 11/09/2022] Open
Abstract
Pyruvylation onto the terminus of oligosaccharide, widely seen from prokaryote to eukaryote, confers negative charges on the cell surface and seems to be functionally similar to sialylation, which is found at the end of human-type complex oligosaccharide. However, detailed molecular mechanisms underlying pyruvylation have not been clarified well. Here, we first determined the crystal structure of fission yeast pyruvyltransferase Pvg1p at a resolution of 2.46 Å. Subsequently, by combining molecular modeling with mutational analysis of active site residues, we obtained a Pvg1p mutant (Pvg1p(H168C)) that efficiently transferred pyruvyl moiety onto a human-type complex glycopeptide. The resultant pyruvylated human-type complex glycopeptide recognized similar lectins on lectin arrays as the α2,6-sialyl glycopeptides. This newly-generated pyruvylation of human-type complex oligosaccharides would provide a novel method for glyco-bioengineering.
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Affiliation(s)
- Yujiro Higuchi
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Sho Yoshinaga
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Ken-Ichi Yoritsune
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Hiroaki Tateno
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Jun Hirabayashi
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Central-2, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Shin-Ichi Nakakita
- Department of Functional Glycomics, Life Science Research Center, Kagawa University, Miki-cho, Kagawa 761-0793, Japan
| | - Miho Kanekiyo
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Yoshimitsu Kakuta
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
| | - Kaoru Takegawa
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, 6-10-1 Hakozaki, Fukuoka 812-8581, Japan
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Birikaki L, Pradeau S, Armand S, Priem B, Márquez-Domínguez L, Reyes-Leyva J, Santos-López G, Samain E, Driguez H, Fort S. Chemoenzymatic Syntheses of Sialylated Oligosaccharides Containing C5-Modified Neuraminic Acids for Dual Inhibition of Hemagglutinins and Neuraminidases. Chemistry 2015; 21:10903-12. [DOI: 10.1002/chem.201500708] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Indexed: 11/10/2022]
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Brodsky AN, Caldwell M, Bae S, Harcum SW. Glycosylation-related genes in NS0 cells are insensitive to moderately elevated ammonium concentrations. J Biotechnol 2014; 187:78-86. [PMID: 25062658 PMCID: PMC4197068 DOI: 10.1016/j.jbiotec.2014.07.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Revised: 07/05/2014] [Accepted: 07/15/2014] [Indexed: 10/25/2022]
Abstract
NS0 and Chinese hamster ovary (CHO) cell lines are used to produce recombinant proteins for human therapeutics; however, ammonium accumulation can negatively impact cell growth, recombinant protein production, and protein glycosylation. To improve product quality and decrease costs, the relationship between ammonium and protein glycosylation needs to be elucidated. While ammonium has been shown to adversely affect glycosylation-related gene expression in CHO cells, NS0 studies have not been performed. Therefore, this study sought to determine if glycosylation in NS0 cells were ammonium-sensitive at the gene expression level. Using a DNA microarray that contained mouse glycosylation-related and housekeeping genes, these genes were analyzed in response to various culture conditions - elevated ammonium, elevated salt, and elevated ammonium with proline. Surprisingly, no significant differences in gene expression levels were observed between the control and these conditions. Further, the elevated ammonium cultures were analyzed using real-time quantitative reverse transcriptase PCR (qRT-PCR) for key glycosylation genes, and the qRT-PCR results corroborated the DNA microarray results, demonstrating that NS0 cells are ammonium-insensitive at the gene expression level. Since NS0 are known to have elevated nucleotide sugar pools under ammonium stress, and none of the genes directly responsible for these metabolic pools were changed, consequently cellular control at the translational or substrate-level must be responsible for the universally observed decreased glycosylation quality under elevated ammonium.
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Affiliation(s)
- Arthur Nathan Brodsky
- Department of Bioengineering, 301 Rhodes Research Center, Clemson University, Clemson, SC 29634-0905, USA.
| | - Mary Caldwell
- Department of Bioengineering, 301 Rhodes Research Center, Clemson University, Clemson, SC 29634-0905, USA.
| | - Sooneon Bae
- Department of Bioengineering, 301 Rhodes Research Center, Clemson University, Clemson, SC 29634-0905, USA.
| | - Sarah W Harcum
- Department of Bioengineering, 301 Rhodes Research Center, Clemson University, Clemson, SC 29634-0905, USA.
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Abstract
Over the past three decades, a powerful array of techniques has been developed for expressing heterologous proteins and saccharides on the surface of bacteria. Surface-engineered bacteria, in turn, have proven useful in a variety of settings, including high-throughput screening, biofuel production, and vaccinology. In this chapter, we provide a comprehensive review of methods for displaying polypeptides and sugars on the bacterial cell surface, and discuss the many innovative applications these methods have found to date. While already an important biotechnological tool, we believe bacterial surface display may be further improved through integration with emerging methodology in other fields, such as protein engineering and synthetic chemistry. Ultimately, we envision bacterial display becoming a multidisciplinary platform with the potential to transform basic and applied research in bacteriology, biotechnology, and biomedicine.
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Baker JL, Çelik E, DeLisa MP. Expanding the glycoengineering toolbox: the rise of bacterial N-linked protein glycosylation. Trends Biotechnol 2013; 31:313-23. [PMID: 23582719 DOI: 10.1016/j.tibtech.2013.03.003] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Revised: 03/08/2013] [Accepted: 03/09/2013] [Indexed: 01/05/2023]
Abstract
Glycosylation is the most prevalent post-translational modification found on proteins, occurring in all domains of life. Ever since the discovery of asparagine-linked (N-linked) protein glycosylation pathways in bacteria, major efforts have been made to harness these systems for the creation of novel therapeutics, vaccines, and diagnostics. Recent advances such as the ability to produce designer glycans in bacteria, some containing unnatural sugars, and techniques for evolving glycosylation enzymes have spawned an entirely new discipline known as bacterial glycoengineering. In addition to their biotechnological and therapeutic potential, bacteria equipped with recombinant N-linked glycosylation pathways are improving our understanding of the N-glycosylation process. This review discusses the key role played by microorganisms in glycosciences, particularly in the context of N-linked glycosylation.
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Affiliation(s)
- Jenny L Baker
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA
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Artificial and natural sialic acid precursors influence the angiogenic capacity of human umbilical vein endothelial cells. Molecules 2013; 18:2571-86. [PMID: 23442933 PMCID: PMC6269824 DOI: 10.3390/molecules18032571] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2012] [Revised: 02/06/2013] [Accepted: 02/19/2013] [Indexed: 02/02/2023] Open
Abstract
N-acetylneuraminic acid (Neu5Ac) represents the most common terminal carbohydrate residue in many mammalian glycoconjugates and is directly involved in a number of different physiological as well as pathological cellular processes. Endogenous sialic acids derive from the biosynthetic precursor molecule N-acetyl-D-mannosamine (ManNAc). Interestingly, N-acyl-analogues of D-mannosamine (ManN) can also be incorporated and converted into corresponding artificial sialic acids by eukaryotic cells. Within this study, we optimized a protocol for the chemical synthesis of various peracetylated ManN derivatives resulting in yields of approximately 100%. Correct molecular structures of the obtained products ManNAc, N-propanoyl-ManN (ManNProp) and N-butyl-ManN (ManNBut) were verified by GC-, ESI-MS- and NMR-analyses. By applying these substances to human umbilical vein endothelial cells (HUVECs), we could show that each derivative was metabolized to the corresponding N-acylneuraminic acid variant and subsequently incorporated into nascent glycoproteins. To investigate whether natural and/or artificial sialic acid precursors are able to modulate the angiogenic capacity of HUVECs, a spheroid assay was performed. By this means, an increase in total capillary length has been observed when cells incorporated N-butylneuraminic acid (Neu5But) into their glycoconjugates. In contrast, the natural precursor ManNAc inhibited the growth of capillaries. Thus, sialic acid precursors may represent useful agents to modulate blood vessel formation.
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