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Jiang Y, Wei Y, Zhou QY, Sun GQ, Fu XP, Levin N, Zhang Y, Liu WQ, Song N, Mohammed S, Davis BG, Koh MJ. Direct radical functionalization of native sugars. Nature 2024:10.1038/s41586-024-07548-0. [PMID: 38898275 DOI: 10.1038/s41586-024-07548-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 05/09/2024] [Indexed: 06/21/2024]
Abstract
Naturally occurring (native) sugars and carbohydrates contain numerous hydroxyl groups of similar reactivity1,2. Chemists, therefore, rely typically on laborious, multi-step protecting-group strategies3 to convert these renewable feedstocks into reagents (glycosyl donors) to make glycans. The direct transformation of native sugars to complex saccharides remains a notable challenge. Here we describe a photoinduced approach to achieve site- and stereoselective chemical glycosylation from widely available native sugar building blocks, which through homolytic (one-electron) chemistry bypasses unnecessary hydroxyl group masking and manipulation. This process is reminiscent of nature in its regiocontrolled generation of a transient glycosyl donor, followed by radical-based cross-coupling with electrophiles on activation with light. Through selective anomeric functionalization of mono- and oligosaccharides, this protecting-group-free 'cap and glycosylate' approach offers straightforward access to a wide array of metabolically robust glycosyl compounds. Owing to its biocompatibility, the method was extended to the direct post-translational glycosylation of proteins.
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Affiliation(s)
- Yi Jiang
- Department of Chemistry, National University of Singapore, Singapore, Singapore
- The Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot, UK
- Department of Pharmacology, University of Oxford, Oxford, UK
| | - Yi Wei
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Qian-Yi Zhou
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Guo-Quan Sun
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Xia-Ping Fu
- The Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot, UK
- Department of Pharmacology, University of Oxford, Oxford, UK
| | - Nikita Levin
- The Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot, UK
- Department of Pharmacology, University of Oxford, Oxford, UK
| | - Yijun Zhang
- Department of Chemistry, National University of Singapore, Singapore, Singapore
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, China
| | - Wen-Qiang Liu
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - NingXi Song
- Department of Chemistry, National University of Singapore, Singapore, Singapore
| | - Shabaz Mohammed
- The Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot, UK
- Department of Chemistry, University of Oxford, Oxford, UK
- Department of Biochemistry, University of Oxford, Oxford, UK
| | - Benjamin G Davis
- The Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot, UK.
- Department of Pharmacology, University of Oxford, Oxford, UK.
- Department of Chemistry, University of Oxford, Oxford, UK.
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, Singapore, Singapore.
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2
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Yang W, Ramadan S, Zu Y, Sun M, Huang X, Yu B. Chemical synthesis and functional evaluation of glycopeptides and glycoproteins containing rare glycosyl amino acid linkages. Nat Prod Rep 2024. [PMID: 38888170 DOI: 10.1039/d4np00017j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/20/2024]
Abstract
Covering: 1987 to 2023Naturally existing glycoproteins through post-translational protein glycosylation are highly heterogeneous, which not only impedes the structure-function studies, but also hinders the development of their potential medical usage. Chemical synthesis represents one of the most powerful tools to provide the structurally well-defined glycoforms. Being the key step of glycoprotein synthesis, glycosylation usually takes place at serine, threonine, and asparagine residues, leading to the predominant formation of the O- and N-glycans, respectively. However, other amino acid residues containing oxygen, nitrogen, sulfur, and nucleophilic carbon atoms have also been found to be glycosylated. These diverse glycoprotein linkages, occurring from microorganisms to plants and animals, play also pivotal biological roles, such as in cell-cell recognition and communication. The availability of these homogenous rare glycopeptides and glycoproteins can help decipher the glyco-code for developing therapeutic agents. This review highlights the chemical approaches for assembly of the functional glycopeptides and glycoproteins bearing these "rare" carbohydrate-amino acid linkages between saccharide and canonical amino acid residues and their derivatives.
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Affiliation(s)
- Weizhun Yang
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
| | - Sherif Ramadan
- Department of Chemistry, Michigan State University, 578 S. Shaw Lane, East Lansing, Michigan 48824, USA.
| | - Yan Zu
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
| | - Mengxia Sun
- Department of Chemistry, Michigan State University, 578 S. Shaw Lane, East Lansing, Michigan 48824, USA.
| | - Xuefei Huang
- Department of Chemistry, Michigan State University, 578 S. Shaw Lane, East Lansing, Michigan 48824, USA.
| | - Biao Yu
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China.
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, China.
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3
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Yi HB, Lee S, Seo K, Kim H, Kim M, Lee HS. Cellular and Biophysical Applications of Genetic Code Expansion. Chem Rev 2024; 124:7465-7530. [PMID: 38753805 DOI: 10.1021/acs.chemrev.4c00112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Despite their diverse functions, proteins are inherently constructed from a limited set of building blocks. These compositional constraints pose significant challenges to protein research and its practical applications. Strategically manipulating the cellular protein synthesis system to incorporate novel building blocks has emerged as a critical approach for overcoming these constraints in protein research and application. In the past two decades, the field of genetic code expansion (GCE) has achieved significant advancements, enabling the integration of numerous novel functionalities into proteins across a variety of organisms. This technological evolution has paved the way for the extensive application of genetic code expansion across multiple domains, including protein imaging, the introduction of probes for protein research, analysis of protein-protein interactions, spatiotemporal control of protein function, exploration of proteome changes induced by external stimuli, and the synthesis of proteins endowed with novel functions. In this comprehensive Review, we aim to provide an overview of cellular and biophysical applications that have employed GCE technology over the past two decades.
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Affiliation(s)
- Han Bin Yi
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Seungeun Lee
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Kyungdeok Seo
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Hyeongjo Kim
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Minah Kim
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
| | - Hyun Soo Lee
- Department of Chemistry, Sogang University, 35 Baekbeom-ro, Mapo-gu, Seoul 04107, Republic of Korea
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4
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Amiri A, Abedanzadeh S, Davaeil B, Shaabani A, Moosavi-Movahedi AA. Protein click chemistry and its potential for medical applications. Q Rev Biophys 2024; 57:e6. [PMID: 38619322 DOI: 10.1017/s0033583524000027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
A revolution in chemical biology occurred with the introduction of click chemistry. Click chemistry plays an important role in protein chemistry modifications, providing specific, sensitive, rapid, and easy-to-handle methods. Under physiological conditions, click chemistry often overlaps with bioorthogonal chemistry, defined as reactions that occur rapidly and selectively without interfering with biological processes. Click chemistry is used for the posttranslational modification of proteins based on covalent bond formations. With the contribution of click reactions, selective modification of proteins would be developed, representing an alternative to other technologies in preparing new proteins or enzymes for studying specific protein functions in different biological processes. Click-modified proteins have potential in diverse applications such as imaging, labeling, sensing, drug design, and enzyme technology. Due to the promising role of proteins in disease diagnosis and therapy, this review aims to highlight the growing applications of click strategies in protein chemistry over the last two decades, with a special emphasis on medicinal applications.
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Affiliation(s)
- Ahmad Amiri
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | | | - Bagher Davaeil
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Ahmad Shaabani
- Department of Chemistry, Shahid Beheshti University, Tehran, Iran
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5
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Lang M, Tardieu D, Pousse B, Compain P, Kern N. Diastereoselective access to C, C-glycosyl amino acids via iron-catalyzed, auxiliary-enabled MHAT coupling. Chem Commun (Camb) 2024; 60:3154-3157. [PMID: 38407341 DOI: 10.1039/d3cc06249j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Access to C,C-glycosyl amino acids as a novel class of glycomimetics is reported by means of radical generation, intermolecular addition and stereoselective reduction via a metal-induced hydrogen atom transfer (MHAT) sequence. The 'matched' coupling of exo-D-glycals with an enantiopure dehydroalanine bearing a (R)-configured benzyl oxazolidinone enables a singular case of two-fold diastereocontrol under iron catalysis. In the common exo-D-glucal series, the nature of the C-2 substituent was found to play a key role from both reactivity and stereocontrol aspects.
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Affiliation(s)
- Mylène Lang
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Strasbourg/Université de Haute-Alsace/CNRS, ECPM, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Damien Tardieu
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Strasbourg/Université de Haute-Alsace/CNRS, ECPM, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Benoit Pousse
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Strasbourg/Université de Haute-Alsace/CNRS, ECPM, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Philippe Compain
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Strasbourg/Université de Haute-Alsace/CNRS, ECPM, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Nicolas Kern
- Laboratoire d'Innovation Moléculaire et Applications (LIMA), UMR 7042, Université de Strasbourg/Université de Haute-Alsace/CNRS, ECPM, 25 rue Becquerel, 67087, Strasbourg, France.
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6
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Rodrigues Reis CE, Milessi TS, Ramos MDN, Singh AK, Mohanakrishna G, Aminabhavi TM, Kumar PS, Chandel AK. Lignocellulosic biomass-based glycoconjugates for diverse biotechnological applications. Biotechnol Adv 2023; 68:108209. [PMID: 37467868 DOI: 10.1016/j.biotechadv.2023.108209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 06/05/2023] [Accepted: 07/01/2023] [Indexed: 07/21/2023]
Abstract
Glycoconjugates are the ubiquitous components of mammalian cells, mainly synthesized by covalent bonds of carbohydrates to other biomolecules such as proteins and lipids, with a wide range of potential applications in novel vaccines, therapeutic peptides and antibodies (Ab). Considering the emerging developments in glycoscience, renewable production of glycoconjugates is of importance and lignocellulosic biomass (LCB) is a potential source of carbohydrates to produce synthetic glycoconjugates in a sustainable pathway. In this review, recent advances in glycobiology aiming on glycoconjugates production is presented together with the recent and cutting-edge advances in the therapeutic properties and application of glycoconjugates, including therapeutic glycoproteins, glycosaminoglycans (GAGs), and nutraceuticals, emphasizing the integral role of glycosylation in their function and efficacy. Special emphasis is given towards the potential exploration of carbon neutral feedstocks, in which LCB has an emerging role. Techniques for extraction and recovery of mono- and oligosaccharides from LCB are critically discussed and influence of the heterogeneous nature of the feedstocks and different methods for recovery of these sugars in the development of the customized glycoconjugates is explored. Although reports on the use of LCB for the production of glycoconjugates are scarce, this review sets clear that the potential of LCB as a source for the production of valuable glycoconjugates cannot be underestimated and encourages that future research should focus on refining the existing methodologies and exploring new approaches to fully realize the potential of LCB in glycoconjugate production.
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Affiliation(s)
| | - Thais Suzane Milessi
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luís, km 235, 13565-905 São Carlos, SP, Brazil; Graduate Program of Chemical Engineering, Federal University of São Carlos (PPGEQ-UFSCar), Rodovia Washington Luís, km 235, 13565-905 São Carlos, SP, Brazil
| | - Márcio Daniel Nicodemos Ramos
- Department of Chemical Engineering, Federal University of São Carlos, Rodovia Washington Luís, km 235, 13565-905 São Carlos, SP, Brazil
| | - Akhilesh Kumar Singh
- Department of Biotechnology, School of Life Sciences, Mahatma Gandhi Central University, Motihari 845401, Bihar, India
| | - Gunda Mohanakrishna
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580 031, India
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi 580 031, India.
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam 603110, Tamil Nadu, India; School of Engineering, Lebanese American University, Byblos, Lebanon
| | - Anuj K Chandel
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, Lorena, São Paulo 12602-810, Brazil.
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7
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Chen A, Zhao S, Han Y, Zhou Z, Yang B, Xie LG, Walczak MA, Zhu F. Stereoselective alkyl C-glycosylation of glycosyl esters via anomeric C-O bond homolysis: efficient access to C-glycosyl amino acids and C-glycosyl peptides. Chem Sci 2023; 14:7569-7580. [PMID: 37449071 PMCID: PMC10337754 DOI: 10.1039/d3sc01995k] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/18/2023] [Indexed: 07/18/2023] Open
Abstract
C-Glycosyl peptides possess excellent metabolic stability and therapeutic properties and thus play critical roles in biological studies as well as drug discoveries. However, the limited accessibility of C-glycosyl amino acids has significantly hindered the broader research of their structural features and mode of action. Herein, for the first time we disclose a novel visible-light-driven radical conjugate addition of 1,4-dihydropyridine (DHP)-derived glycosyl esters with dehydroalanine derivatives, generating C-glycosyl amino acids and C-glycosyl peptides in good yields with excellent stereoselectivities. Redox-active glycosyl esters, as readily accessible and bench-stable radical precursors, could be easily converted to glycosyl radicals via anomeric C(sp3)-O bond homolysis under mild conditions. Importantly, the generality and practicality of this transformation were fully demonstrated in >40 examples including 2-dexosugars, oligosaccharides, oligopeptides, and complex drug molecules. Given its mild reaction conditions, robust sugar scope, and high anomeric control and diastereoselectivity, the method presented herein could find widespread utility in the preparation of C(sp3)-linked sugar-based peptidomimetics.
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Affiliation(s)
- Anrong Chen
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Shiyin Zhao
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
- School of Chemistry and Materials Science, Nanjing Normal University Nanjing Jiangsu 210023 P. R. China
| | - Yang Han
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Zhenghong Zhou
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Bo Yang
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Lan-Gui Xie
- School of Chemistry and Materials Science, Nanjing Normal University Nanjing Jiangsu 210023 P. R. China
| | - Maciej A Walczak
- Department of Chemistry, University of Colorado Boulder CO 80309 USA
| | - Feng Zhu
- Frontiers Science Center for Transformative Molecules (FSCTM), Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Department of Chemical Biology, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University Shanghai 200240 P. R. China
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8
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Dabaghi M, Carpio MB, Saraei N, Moran-Mirabal JM, Kolb MR, Hirota JA. A roadmap for developing and engineering in vitro pulmonary fibrosis models. BIOPHYSICS REVIEWS 2023; 4:021302. [PMID: 38510343 PMCID: PMC10903385 DOI: 10.1063/5.0134177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/03/2023] [Indexed: 03/22/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a severe form of pulmonary fibrosis. IPF is a fatal disease with no cure and is challenging to diagnose. Unfortunately, due to the elusive etiology of IPF and a late diagnosis, there are no cures for IPF. Two FDA-approved drugs for IPF, nintedanib and pirfenidone, slow the progression of the disease, yet fail to cure or reverse it. Furthermore, most animal models have been unable to completely recapitulate the physiology of human IPF, resulting in the failure of many drug candidates in preclinical studies. In the last few decades, the development of new IPF drugs focused on changes at the cellular level, as it was believed that the cells were the main players in IPF development and progression. However, recent studies have shed light on the critical role of the extracellular matrix (ECM) in IPF development, where the ECM communicates with cells and initiates a positive feedback loop to promote fibrotic processes. Stemming from this shift in the understanding of fibrosis, there is a need to develop in vitro model systems that mimic the human lung microenvironment to better understand how biochemical and biomechanical cues drive fibrotic processes in IPF. However, current in vitro cell culture platforms, which may include substrates with different stiffness or natural hydrogels, have shortcomings in recapitulating the complexity of fibrosis. This review aims to draw a roadmap for developing advanced in vitro pulmonary fibrosis models, which can be leveraged to understand better different mechanisms involved in IPF and develop drug candidates with improved efficacy. We begin with a brief overview defining pulmonary fibrosis and highlight the importance of ECM components in the disease progression. We focus on fibroblasts and myofibroblasts in the context of ECM biology and fibrotic processes, as most conventional advanced in vitro models of pulmonary fibrosis use these cell types. We transition to discussing the parameters of the 3D microenvironment that are relevant in pulmonary fibrosis progression. Finally, the review ends by summarizing the state of the art in the field and future directions.
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Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
| | - Mabel Barreiro Carpio
- Department of Chemistry and Chemical Biology, McMaster University, Arthur N. Bourns Science Building, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada
| | - Neda Saraei
- School of Biomedical Engineering, McMaster University, Engineering Technology Building, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | | | - Martin R. Kolb
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
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Yamatsugu K, Kanai M. Catalytic Approaches to Chemo- and Site-Selective Transformation of Carbohydrates. Chem Rev 2023; 123:6793-6838. [PMID: 37126370 DOI: 10.1021/acs.chemrev.2c00892] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Carbohydrates are a fundamental unit playing pivotal roles in all the biological processes. It is thus essential to develop methods for synthesizing, functionalizing, and manipulating carbohydrates for further understanding of their functions and the creation of sugar-based functional materials. It is, however, not trivial to develop such methods, since carbohydrates are densely decorated with polar and similarly reactive hydroxy groups in a stereodefined manner. New approaches to chemo- and site-selective transformations of carbohydrates are, therefore, of great significance for revolutionizing sugar chemistry to enable easier access to sugars of interest. This review begins with a brief overview of the innate reactivity of hydroxy groups of carbohydrates. It is followed by discussions about catalytic approaches to enhance, override, or be orthogonal to the innate reactivity for the transformation of carbohydrates. This review avoids making a list of chemo- and site-selective reactions, but rather focuses on summarizing the concept behind each reported transformation. The literature references were sorted into sections based on the underlying ideas of the catalytic approaches, which we hope will help readers have a better sense of the current state of chemistry and develop innovative ideas for the field.
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Affiliation(s)
- Kenzo Yamatsugu
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Motomu Kanai
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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10
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Harel O, Jbara M. Chemical Synthesis of Bioactive Proteins. Angew Chem Int Ed Engl 2023; 62:e202217716. [PMID: 36661212 DOI: 10.1002/anie.202217716] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/21/2023]
Abstract
Nature has developed a plethora of protein machinery to operate and maintain nearly every task of cellular life. These processes are tightly regulated via post-expression modifications-transformations that modulate intracellular protein synthesis, folding, and activation. Methods to prepare homogeneously and precisely modified proteins are essential to probe their function and design new bioactive modalities. Synthetic chemistry has contributed remarkably to protein science by allowing the preparation of novel biomacromolecules that are often challenging or impractical to prepare via common biological means. The ability to chemically build and precisely modify proteins has enabled the production of new molecules with novel physicochemical properties and programmed activity for biomedical research, diagnostic, and therapeutic applications. This minireview summarizes recent developments in chemical protein synthesis to produce bioactive proteins, with emphasis on novel analogs with promising in vitro and in vivo activity.
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Affiliation(s)
- Omer Harel
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Muhammad Jbara
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
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11
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Yilmaz S, Öner P. Low α-N-acetylgalactosaminidase plasma concentration correlates with the presence and severity of the bipolar affective disorder. World J Biol Psychiatry 2023; 24:187-194. [PMID: 36102137 DOI: 10.1080/15622975.2022.2124451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
OBJECTIVES Believing that a neurodevelopmental pathology may cause bipolar affective disorder (BAD), we aimed to measure the concentrations of α-N-acetylgalactosaminidase (α-NAGAL), a lysosomal enzyme. METHODS The study included 32 patients with BAD and 32 healthy controls. The Young Mania Rating Scale was used to measure the severity of the disease. Serum α-N-acetylgalactosaminidase concentrations were measured in all blood samples using the human α-N-acetylgalactosaminidase ELISA Kit. RESULTS A statistically significant difference was found in the α-NAGAL values between the groups. The mean α-NAGAL values of BAD patients are lower than the mean α-NAGAL values of the control group. A strong negative and statistically significant relationship was found between the α-NAGAL values of patients with BAD and their Young Mania Rating Scale scores. And a positive strong correlation was found between the age of onset of the disease and α-NAGAL levels. CONCLUSIONS Low α-N-acetylgalactosaminidase concentrations may cause the accumulation of some glycoproteins in the lysosomes in the brain during the gestational period, producing the clinical symptoms of BAD. α-N-acetylgalactosaminidase deficiency may not be the only cause of BAD, but it may be an important factor in the aetiology of this disease.
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Affiliation(s)
| | - Pınar Öner
- Elaziğ Fethi Sekin City Hospital, Elaziğ, Turkey
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12
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Wei Y, Wang Q, Koh MJ. A Photoinduced, Nickel-Catalyzed Reaction for the Stereoselective Assembly of C-Linked Glycosides and Glycopeptides. Angew Chem Int Ed Engl 2023; 62:e202214247. [PMID: 36355564 DOI: 10.1002/anie.202214247] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Indexed: 11/12/2022]
Abstract
C-Alkyl glycosides and glycoproteins exist in natural products and are prized for their role as carbohydrate mimics in drug design. However, a practical strategy that merges glycosyl donors with readily accessible reagents, derived from abundant carboxylic acid and amine feedstocks, is yet to be conceived. Herein, we show that a nickel catalyst promotes C-C coupling between glycosyl halides and aliphatic acids or primary amines (converted into redox-active electrophiles in one step), in the presence of Hantzsch ester and LiI (or Et3 N) under blue LED illumination to deliver C-alkyl glycosides with high diastereoselectivity. Mechanistic studies support the photoinduced formation of alkyl radicals that react with a glycosyl nickel species generated in situ to facilitate cross-coupling. Through this manifold, innate CO2 H and NH2 motifs embedded within amino acids and oligopeptides are selectively capped and functionalized to afford glycopeptide conjugates through late-stage glycosylation.
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Affiliation(s)
- Yi Wei
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Quanquan Wang
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
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13
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Wu Q, Dong S, Xuan W. N-Glycan Engineering: Constructing the N-GlcNAc Stump. Chembiochem 2023; 24:e202200388. [PMID: 35977913 DOI: 10.1002/cbic.202200388] [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: 07/11/2022] [Revised: 08/17/2022] [Indexed: 01/05/2023]
Abstract
N-Glycosylation is often essential for the structure and function of proteins. However, N-glycosylated proteins from natural sources exhibit considerable heterogeneity in the appended oligosaccharides, bringing daunting challenges to corresponding basic research and therapeutic applications. To address this issue, various synthetic, enzymatic, and chemoenzymatic approaches have been elegantly designed. Utilizing the endoglycosidase-catalyzed transglycosylation method, a single N-acetylglucosamine (N-GlcNAc, analogous to a tree stump) on proteins can be converted to various homogeneous N-glycosylated forms, thereby becoming the focus of research efforts. In this concept article, we briefly introduce the methods that allow the generation of N-GlcNAc and its close analogues on proteins and peptides and highlight the current challenges and opportunities the scientific community is facing.
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Affiliation(s)
- Qifan Wu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Suwei Dong
- State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, P. R. China
| | - Weimin Xuan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, P. R. China.,School of Life Sciences, Tianjin University, Tianjin, 300072, P. R. China
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14
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Abstract
OBJECTIVES Using a neurodevelopmental approach to examine the aetiology, we predicted an enzyme deficiency to exist at the cellular level and aimed to measure α-N-acetylgalactosaminidase (α-NAGAL) blood levels. METHODS The study included 32 patients diagnosed with schizophrenia and 30 healthy controls. The positive and negative syndrome scale (PANSS) was applied to the patients with schizophrenia. Serum α-NAGAL concentrations were measured in blood samples taken from all participants using the human alpha-N-acetylgalactosaminidase ELISA Kit. RESULTS The mean α-NAGAL values of schizophrenic patients are lower than the mean α-NAGAL values of the control group (p = 0.000 < 0.001). Correlation analysis showed that there was a significant relationship between α-NAGAL values and PANSS scores of patients with schizophrenia. PANSS total (r = -0.708, p = 0.000 < 0.001), PANSS positive (r = -0.627, p = 0.000 < 0.001), PANSS negative (r = -0.386, p = 0.029 < 0.05). And a positive moderate correlation was found between the age of onset of the disease and α-NAGAL levels (r = 0.529, p = 0.002 < 0.05). CONCLUSIONS Based on the neurodevelopmental hypothesis, the low α-NAGAL concentrations this study found might cause accumulation of glycoproteins in the lysosomes in the central nervous system during the gestational period and then might result in the clinical symptoms of schizophrenia. α-NAGAL may be an important factor in the aetiology of schizophrenia.
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Affiliation(s)
- Seda Yılmaz
- Elazığ Medical Park Hospital, Istinye University, Elazığ, Turkey
| | - Pınar Öner
- Elazığ Fethi Sekin City Hospital, Elazığ, Turkey
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15
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Straightforward stereoselective synthesis of 1-thio-β-D-mannosides and 1-thio-β-L-rhamnosides. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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16
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Shen Z, Tang Q, Jiao W, Shao H, Ma X. One-Pot Synthesis of 2- C-Branched Glycosyl Triazoles by Integrating 1,2-Cyclopropanated Sugar Ring-Opening Azidation and CuAAC Reaction. J Org Chem 2022; 87:16736-16742. [PMID: 36399138 DOI: 10.1021/acs.joc.2c02390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A series of 2-C-branched glycosyl triazoles including triazole-tethered oligosaccharides and glycopeptides were synthesized in one pot from 1,2-cyclopropanated sugars or 2'-acetonyl-2-O-Ts-C-furanosides, NaN3, and alkynes using PEG-400 as a single solvent. Nucleophilic ring-opening azidation of 1,2-cyclopropanated sugars (or 2'-acetonyl group 1,2-migration-azidation of C-furanosides) obtained glycosyl azides, which upon reaction with alkynes under CuAAC conditions achieved glycosyl triazoles in good yields and high stereoselectivity without the need to change the solvent and isolate any intermediates.
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Affiliation(s)
- Zhongke Shen
- Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, 610041Chengdu, People's Republic of China.,University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
| | - Qin Tang
- Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, 610041Chengdu, People's Republic of China
| | - Wei Jiao
- Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, 610041Chengdu, People's Republic of China
| | - Huawu Shao
- Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, 610041Chengdu, People's Republic of China
| | - Xiaofeng Ma
- Natural Products Research Centre, Chengdu Institute of Biology, Chinese Academy of Sciences, 610041Chengdu, People's Republic of China.,University of Chinese Academy of Sciences, Beijing100049, People's Republic of China
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17
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Han Y, Shi J, Li S, Dan T, Yang W, Yang M. Selective editing of a peptide skeleton via C-N bond formation at N-terminal aliphatic side chains. Chem Sci 2022; 13:14382-14386. [PMID: 36545141 PMCID: PMC9749142 DOI: 10.1039/d2sc04909k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 11/04/2022] [Indexed: 11/23/2022] Open
Abstract
The applications of peptides and peptidomimetics have been demonstrated in the fields of therapeutics, diagnostics, and chemical biology. Strategies for the direct late-stage modification of peptides and peptidomimetics are highly desirable in modern drug discovery. Transition-metal-catalyzed C-H functionalization is emerging as a powerful strategy for late-stage peptide modification that is able to construct functional groups or increase skeletal diversity. However, the installation of directing groups is necessary to control the site selectivity. In this work, we describe a transition metal-free strategy for late-stage peptide modification. In this strategy, a linear aliphatic side chain at the peptide N-terminus is cyclized to deliver a proline skeleton via site-selective δ-C(sp3)-H functionalization under visible light. Natural and unnatural amino acids are demonstrated as suitable substrates with the transformations proceeding with excellent regio- and stereo-selectivity.
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Affiliation(s)
- Yujie Han
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Junjie Shi
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Songrong Li
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Tingting Dan
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Wenwen Yang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
| | - Mingyu Yang
- Key Laboratory of Applied Surface and Colloid Chemistry of MOE & School of Chemistry and Chemical Engineering Shaanxi Normal University 620 West Chang'an Ave Xi'an 710119 China
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18
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Morimoto K, Yanase K, Kajimoto T, Kita Y. Metal-Free Synthesis of Acyl Glycosides and Application to Oligosaccharide Synthesis. Org Lett 2022; 24:9028-9032. [DOI: 10.1021/acs.orglett.2c03661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Koji Morimoto
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Kana Yanase
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Tetsuya Kajimoto
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Yasuyuki Kita
- Research Organization of Science and Technology, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
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19
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Shivatare SS, Shivatare VS, Wong CH. Glycoconjugates: Synthesis, Functional Studies, and Therapeutic Developments. Chem Rev 2022; 122:15603-15671. [PMID: 36174107 PMCID: PMC9674437 DOI: 10.1021/acs.chemrev.1c01032] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Glycoconjugates are major constituents of mammalian cells that are formed via covalent conjugation of carbohydrates to other biomolecules like proteins and lipids and often expressed on the cell surfaces. Among the three major classes of glycoconjugates, proteoglycans and glycoproteins contain glycans linked to the protein backbone via amino acid residues such as Asn for N-linked glycans and Ser/Thr for O-linked glycans. In glycolipids, glycans are linked to a lipid component such as glycerol, polyisoprenyl pyrophosphate, fatty acid ester, or sphingolipid. Recently, glycoconjugates have become better structurally defined and biosynthetically understood, especially those associated with human diseases, and are accessible to new drug, diagnostic, and therapeutic developments. This review describes the status and new advances in the biological study and therapeutic applications of natural and synthetic glycoconjugates, including proteoglycans, glycoproteins, and glycolipids. The scope, limitations, and novel methodologies in the synthesis and clinical development of glycoconjugates including vaccines, glyco-remodeled antibodies, glycan-based adjuvants, glycan-specific receptor-mediated drug delivery platforms, etc., and their future prospectus are discussed.
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Affiliation(s)
- Sachin S Shivatare
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Vidya S Shivatare
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Chi-Huey Wong
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan
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20
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McBerney R, Dolan JP, Cawood EE, Webb ME, Turnbull WB. Bioorthogonal, Bifunctional Linker for Engineering Synthetic Glycoproteins. JACS AU 2022; 2:2038-2047. [PMID: 36186556 PMCID: PMC9516712 DOI: 10.1021/jacsau.2c00312] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/14/2022] [Accepted: 08/15/2022] [Indexed: 06/16/2023]
Abstract
Post-translational glycosylation of proteins results in complex mixtures of heterogeneous protein glycoforms. Glycoproteins have many potential applications from fundamental studies of glycobiology to potential therapeutics, but generating homogeneous recombinant glycoproteins using chemical or chemoenzymatic reactions to mimic natural glycoproteins or creating homogeneous synthetic neoglycoproteins is a challenging synthetic task. In this work, we use a site-specific bioorthogonal approach to produce synthetic homogeneous glycoproteins. We develop a bifunctional, bioorthogonal linker that combines oxime ligation and strain-promoted azide-alkyne cycloaddition chemistry to functionalize reducing sugars and glycan derivatives for attachment to proteins. We demonstrate the utility of this minimal length linker by producing neoglycoprotein inhibitors of cholera toxin in which derivatives of the disaccharide lactose and GM1os pentasaccharide are attached to a nonbinding variant of the cholera toxin B-subunit that acts as a size- and valency-matched multivalent scaffold. The resulting neoglycoproteins decorated with GM1 ligands inhibit cholera toxin B-subunit adhesion with a picomolar IC50.
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21
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Singh Y, Geringer SA, Demchenko AV. Synthesis and Glycosidation of Anomeric Halides: Evolution from Early Studies to Modern Methods of the 21st Century. Chem Rev 2022; 122:11701-11758. [PMID: 35675037 DOI: 10.1021/acs.chemrev.2c00029] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Advances in synthetic carbohydrate chemistry have dramatically improved access to common glycans. However, many novel methods still fail to adequately address challenges associated with chemical glycosylation and glycan synthesis. Since a challenge of glycosylation has remained, scientists have been frequently returning to the traditional glycosyl donors. This review is dedicated to glycosyl halides that have played crucial roles in shaping the field of glycosciences and continue to pave the way toward our understanding of chemical glycosylation.
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Affiliation(s)
- Yashapal Singh
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Scott A Geringer
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States
| | - Alexei V Demchenko
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121, United States.,Department of Chemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
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22
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Zhao J, Liu J, Liu X, Ye F, Wang S, Wang P. Semi-synthesis of interleukin-1α via expressed threonine ligation and native chemical ligation-desulfurization. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Qi R, Wang C, Ma Z, Wang H, Chen Q, Liu L, Pan D, Ren X, Wang R, Xu Z. Visible-Light-Promoted Stereoselective C(sp 3 )-H Glycosylation for the Synthesis of C-Glycoamino Acids and C-Glycopeptides. Angew Chem Int Ed Engl 2022; 61:e202200822. [PMID: 35315966 DOI: 10.1002/anie.202200822] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Indexed: 11/09/2022]
Abstract
The glycosylative modification of peptides could improve the pharmacological properties of peptide drugs and deliver them efficiently to the target sites. Compared with O-/N-glycosides, C-glycosides exhibit more metabolic stability. We here disclose the first example of visible-light-promoted and Cu-catalyzed stereoselective C-glycosylation. The mild reaction conditions are compatible with various carbohydrate substrates, as demonstrated with a series of monosaccharides and a disaccharide, and are amenable to the synthesis of a wide variety of C-glycoamino acids and C-glycopeptidomimetics with good yields and excellent stereoselectivities. The dual-functional photocatalyst formed in situ via coordination of the glycine derivative and the chiral phosphine Cu complex could not only catalyze the photoredox process but also control the stereoselectivity of the glycosylation reaction.
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Affiliation(s)
- Rupeng Qi
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Chao Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Zijian Ma
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Hongying Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Qiao Chen
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Liangyu Liu
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Da Pan
- School of Pharmacy, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Xiaoyu Ren
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China.,Research Unit of Peptide Science, 2019RU066, Chinese Academy of Medical Sciences, 199 West Donggang Road, Lanzhou, 730000, China
| | - Zhaoqing Xu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, 199 West Donggang Road, Lanzhou, 730000, China.,Research Unit of Peptide Science, 2019RU066, Chinese Academy of Medical Sciences, 199 West Donggang Road, Lanzhou, 730000, China
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24
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Pan ZH, Yu SS, Bai CC, Yin WY, Ma YR, Xue ZA, Lu QY, Dong LY, Wang XH. Poly(caffeic acid)-coated molecularly imprinted magnetic nanoparticles for specific and ultrasensitive detection of glycoprotein. Talanta 2022; 241:123240. [DOI: 10.1016/j.talanta.2022.123240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 01/08/2022] [Accepted: 01/17/2022] [Indexed: 12/19/2022]
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25
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Li T, Zhang Y, Li T, Zhuang H, Wang F, Wang N, Schmidt RR, Peng P. Divergent Synthesis of Core m1, Core m2 and Core m3
O
‐Mannosyl
Glycopeptides via a Chemoenzymatic Approach. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tianlu Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Youqin Zhang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Tong Li
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Haoru Zhuang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Fengshan Wang
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
| | - Ning Wang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University Wuxi Jiangsu 214122 China
| | | | - Peng Peng
- National Glycoengineering Research Center, Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, NMPA Key Laboratory for Quality Research and Evaluation of Carbohydrate Based Medicine, Shandong University Qingdao Shandong 266237 China
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26
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Ibrahim A, Sakr HM, Ayyad RR, Khalifa MM. Design, Synthesis, In‐Vivo Anti‐Diabetic Activity, In‐Vitro α‐Glucosidase Inhibitory Activity and Molecular Docking Studies of Some Quinazolinone Derivatives. ChemistrySelect 2022. [DOI: 10.1002/slct.202104590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Albaraa Ibrahim
- Pharmaceutical Medicinal Chemistry & Drug Design Department Faculty of Pharmacy (Boys) Al-Azhar University Cairo 11884 Egypt
| | - Helmy M. Sakr
- Pharmaceutical Medicinal Chemistry & Drug Design Department Faculty of Pharmacy (Boys) Al-Azhar University Cairo 11884 Egypt
| | - Rezk R. Ayyad
- Pharmaceutical Medicinal Chemistry & Drug Design Department Faculty of Pharmacy (Boys) Al-Azhar University Cairo 11884 Egypt
| | - Mohamed M. Khalifa
- Pharmaceutical Medicinal Chemistry & Drug Design Department Faculty of Pharmacy (Boys) Al-Azhar University Cairo 11884 Egypt
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27
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Qi R, Wang C, Ma Z, Wang H, Chen Q, Liu L, Pan D, Ren X, Wang R, Xu Z. Visible‐Light‐Promoted Stereoselective C(sp
3
)−H Glycosylation for the Synthesis of
C
‐Glycoamino Acids and
C
‐Glycopeptides. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rupeng Qi
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Chao Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Zijian Ma
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Hongying Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Qiao Chen
- School of Pharmacy Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Liangyu Liu
- School of Pharmacy Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Da Pan
- School of Pharmacy Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Xiaoyu Ren
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
- Research Unit of Peptide Science 2019RU066 Chinese Academy of Medical Sciences 199 West Donggang Road Lanzhou 730000 China
| | - Zhaoqing Xu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences Lanzhou University 199 West Donggang Road Lanzhou 730000 China
- Research Unit of Peptide Science 2019RU066 Chinese Academy of Medical Sciences 199 West Donggang Road Lanzhou 730000 China
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28
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Cobo I, Matheu MI, Castillón S, Davis BG, Boutureira O. Probing Site-Selective Conjugation Chemistries for the Construction of Homogeneous Synthetic Glycodendriproteins. Chembiochem 2022; 23:e202200020. [PMID: 35322922 PMCID: PMC9322419 DOI: 10.1002/cbic.202200020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/14/2022] [Indexed: 11/22/2022]
Abstract
Methods that site‐selectively attach multivalent carbohydrate moieties to proteins can be used to generate homogeneous glycodendriproteins as synthetic functional mimics of glycoproteins. Here, we study aspects of the scope and limitations of some common bioconjugation techniques that can give access to well‐defined glycodendriproteins. A diverse reactive platform was designed via use of thiol‐Michael‐type additions, thiol‐ene reactions, and Cu(I)‐mediated azide‐alkyne cycloadditions from recombinant proteins containing the non‐canonical amino acids dehydroalanine, homoallylglycine, homopropargylglycine, and azidohomoalanine.
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Affiliation(s)
- Isidro Cobo
- Universitat Rovira i Virgili, departament de quimica analitica i quimica organica, SPAIN
| | - M Isabel Matheu
- Universitat Rovira i Virgili, departament de quimica analitica i quimica organica, SPAIN
| | - Sergio Castillón
- Universitat Rovira i Virgili, departament de quimica analitica i quimica organica, SPAIN
| | | | - Omar Boutureira
- Universitat Rovira i Virgili, Departament de Quimica Analitica i Qu�mica Org�nica, Departament de Qu�mica Anal, C/ Marcel.li Domingo 1, 43007, Tarragona, SPAIN
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29
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Revealing functional significance of interleukin‐2 glycoproteoforms enabled by expressed serine ligation. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100914] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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30
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Li M, Chen Y, Yan Y, Liu M, Huang M, Li W, Cao L, Zhang X. Organocatalytic asymmetric synthesis of quaternary α-isoxazole–α-alkynyl amino acid derivatives. Org Biomol Chem 2022; 20:8849-8854. [DOI: 10.1039/d2ob01746f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Chiral phosphoric acid catalyzed enantioselective addition of 5-amino-isoxazoles with β,γ-alkynyl-α-ketimino esters provided good yields and excellent enantioselectivities.
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Affiliation(s)
- Min Li
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yihua Chen
- Department of Chemistry, Xihua University, China
| | - Yingkun Yan
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Min Liu
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Min Huang
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Wenzhe Li
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Lianyi Cao
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaomei Zhang
- Department of Chemistry, Xihua University, China
- Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
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31
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Giri P, Pagar AD, Patil MD, Yun H. Chemical modification of enzymes to improve biocatalytic performance. Biotechnol Adv 2021; 53:107868. [PMID: 34774927 DOI: 10.1016/j.biotechadv.2021.107868] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 11/02/2021] [Accepted: 11/05/2021] [Indexed: 12/23/2022]
Abstract
Improvement in intrinsic enzymatic features is in many instances a prerequisite for the scalable applicability of many industrially important biocatalysts. To this end, various strategies of chemical modification of enzymes are maturing and now considered as a distinct way to improve biocatalytic properties. Traditional chemical modification methods utilize reactivities of amine, carboxylic, thiol and other side chains originating from canonical amino acids. On the other hand, noncanonical amino acid- mediated 'click' (bioorthogoal) chemistry and dehydroalanine (Dha)-mediated modifications have emerged as an alternate and promising ways to modify enzymes for functional enhancement. This review discusses the applications of various chemical modification tools that have been directed towards the improvement of functional properties and/or stability of diverse array of biocatalysts.
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Affiliation(s)
- Pritam Giri
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Amol D Pagar
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Mahesh D Patil
- Department of Nanomaterials and Application Technology, Center of Innovative and Applied Bioprocessing (CIAB), Sector-81, PO Manauli, S.A.S. Nagar, Mohali 140306, Punjab, India
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea.
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32
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Hyun JY, Kim S, Lee CH, Lee HS, Shin I. Efficient Preparation and Bioactivity Evaluation of Glycan-Defined Glycoproteins. ACS Chem Biol 2021; 16:1930-1940. [PMID: 33232137 DOI: 10.1021/acschembio.0c00629] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Owing to the generation of heterogeneous glycoproteins in cells, it is highly difficult to study glycoprotein-mediated biological events and to develop biomedical agents. Thus, general and efficient methods to prepare homogeneous glycoproteins are in high demand. Herein, we report a general method for the efficient preparation of homogeneous glycoproteins that utilizes a combination of genetic code expansion and chemoselective ligation techniques. In the protocol to produce glycan-defined glycoproteins, an alkyne tag-containing protein, generated by genetic encoding of an alkynylated unnatural amino acid, was quantitatively coupled via click chemistry to versatile azide-appended glycans. The glycoproteins produced by the present strategy were found to recognize mammalian cell-surface lectins and enter the cells through lectin-mediated internalization. Also, cell studies exhibited that the glycoprotein containing multiple mannose-6-phosphate residues enters diseased cells lacking specific lysosomal glycosidases by binding to the cell-surface M6P receptor, and subsequently migrates to lysosomes for efficient degradation of stored glycosphingolipids.
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Affiliation(s)
- Ji Young Hyun
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
- Data Convergence Drug Research Center, Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea
| | - Sanggil Kim
- Department of Chemistry, Sogang University, Seoul 04107, Republic of Korea
| | - Chang-Hee Lee
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
| | - Hyun Soo Lee
- Department of Chemistry, Sogang University, Seoul 04107, Republic of Korea
| | - Injae Shin
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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33
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Masbuchin AN, Rohman MS, Liu PY. Role of Glycosylation in Vascular Calcification. Int J Mol Sci 2021; 22:9829. [PMID: 34575990 PMCID: PMC8469761 DOI: 10.3390/ijms22189829] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 12/19/2022] Open
Abstract
Glycosylation is an important step in post-translational protein modification. Altered glycosylation results in an abnormality that causes diseases such as malignancy and cardiovascular diseases. Recent emerging evidence highlights the importance of glycosylation in vascular calcification. Two major types of glycosylation, N-glycosylation and O-glycosylation, are involved in vascular calcification. Other glycosylation mechanisms, which polymerize the glycosaminoglycan (GAG) chain onto protein, resulting in proteoglycan (PG), also have an impact on vascular calcification. This paper discusses the role of glycosylation in vascular calcification.
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Affiliation(s)
- Ainun Nizar Masbuchin
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan 70457, Taiwan;
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Brawijaya, Malang 65111, Indonesia;
| | - Mohammad Saifur Rohman
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, Universitas Brawijaya, Malang 65111, Indonesia;
| | - Ping-Yen Liu
- Institute of Clinical Medicine, College of Medicine, National Cheng Kung University, Tainan 70457, Taiwan;
- Division of Cardiology, Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
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34
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McKenna KR, Clowers BH, Krishnamurthy R, Liotta CL, Fernández FM. Separations of Carbohydrates with Noncovalent Shift Reagents by Frequency-Modulated Ion Mobility-Orbitrap Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:2472-2480. [PMID: 34351139 DOI: 10.1021/jasms.1c00184] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
An increased focus on characterizing the structural heterogeneity of carbohydrates has been driven by their many significant roles in extant life and potential roles in chemical evolution and the origin of life. In this work, multiplexed drift tube ion mobility-Orbitrap mass spectrometry methods were developed to analyze mixtures of disaccharides modified with noncovalent shift reagents. Since traditional coupling of atmospheric pressure drift tube ion mobility cells with Orbitrap mass analyzers suffers from low duty cycles (<0.1%), a frequency modulation scheme was applied to improve the signal-to-noise ratios (SNR). Several parameters such as the resolution setting and maximum injection time of the Orbitrap analyzer and the magnitude and duration of the frequency sweep were investigated for their impact on the sensitivity gains and resolution of disaccharide-shift reagent adducts. The sweep time and disaccharide concentration had a positive correlation with SNR. The magnitude of the frequency sweep had a negative correlation with SNR. However, increasing the frequency sweep improved the resolution of mixtures of disaccharide analytes. Application of frequency-modulated ion mobility-Orbitrap mass spectrometry to four noncovalently modified glucose dimers allowed for the differentiation of three out of these four analytes.
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Affiliation(s)
| | - Brian H Clowers
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
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35
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Wan LQ, Zhang X, Zou Y, Shi R, Cao JG, Xu SY, Deng LF, Zhou L, Gong Y, Shu X, Lee GY, Ren H, Dai L, Qi S, Houk KN, Niu D. Nonenzymatic Stereoselective S-Glycosylation of Polypeptides and Proteins. J Am Chem Soc 2021; 143:11919-11926. [PMID: 34323481 DOI: 10.1021/jacs.1c05156] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Here we report a nonenzymatic glycosylation reaction that builds axial S-glycosidic bonds under biorelevant conditions. This strategy is enabled by the design and use of allyl glycosyl sulfones as precursors to glycosyl radicals and exploits the exceptional functional group tolerance of radical processes. Our method introduces a variety of unprotected glycosyl units to the cysteine residues of peptides in a highly selective fashion. Through developing the second-generation protocol, we applied our method in the direct glycosylation of complex polypeptides and proteins. Computational studies were performed to elucidate the reaction mechanism.
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Affiliation(s)
- Li-Qiang Wan
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Xia Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Yike Zou
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Rong Shi
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Jin-Ge Cao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Shi-Yang Xu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Li-Fan Deng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
| | - Li Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yanqiu Gong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Xiaoling Shu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Ga Young Lee
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Haiyan Ren
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lunzhi Dai
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shiqian Qi
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Dawen Niu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China.,Department of Chemical Engineering, Sichuan University, Chengdu 610024, China
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36
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Nomura K, Maki Y, Okamoto R, Satoh A, Kajihara Y. Glycoprotein Semisynthesis by Chemical Insertion of Glycosyl Asparagine Using a Bifunctional Thioacid-Mediated Strategy. J Am Chem Soc 2021; 143:10157-10167. [PMID: 34189908 DOI: 10.1021/jacs.1c02601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Glycosylation is a major modification of secreted and cell surface proteins, and the resultant glycans show considerable heterogeneity in their structures. To understand the biological processes arising from each glycoform, the preparation of homogeneous glycoproteins is essential for extensive biological experiments. To establish a more robust and rapid synthetic route for the synthesis of homogeneous glycoproteins, we studied several key reactions based on amino thioacids. We found that diacyl disulfide coupling (DDC) formed with glycosyl asparagine thioacid and peptide thioacid yielded glycopeptides. This efficient coupling reaction enabled us to develop a new glycoprotein synthesis method, such as the bifunctional thioacid-mediated strategy, which can couple two peptides with the N- and C-termini of glycosyl asparagine thioacid. Previous glycoprotein synthesis methods required valuable glycosyl asparagine in the early stage and subsequent multiple glycoprotein synthesis routes, whereas the developed concept can generate glycoproteins within a few steps from peptide and glycosyl asparagine thioacid. Herein, we report the characterization of the DDC of amino thioacids and the efficient ability of glycosyl asparagine thioacid to be used for robust glycoprotein semisynthesis.
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Affiliation(s)
| | | | | | - Ayano Satoh
- Graduate School of Interdisciplinary Science and Engineering in Health Systems, Okayama University, 3-1-1, Tsushimanaka, Okayama 700-0082, Japan
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37
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Mphahlele MJ, Magwaza NM, Malindisa ST, Choong YS. Biological evaluation the 2-aryl-2,3-dihydrobenzodiazaborinin-4(1H)-ones as potential dual α-glucosidase and α-amylase inhibitors with antioxidant properties. Chem Biol Drug Des 2021; 98:234-247. [PMID: 34013660 DOI: 10.1111/cbdd.13893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/03/2021] [Accepted: 05/15/2021] [Indexed: 12/16/2022]
Abstract
The 2-aryl-2,3-dihydrobenzodiazaborinin-4(1H)-ones (azaborininone) were synthesized as analogues of the 2-arylquinazoline-4-ones and screened through enzymatic assay in vitro for inhibitory effect against α-glucosidase and α-amylase activities. These azaborininones exhibited moderate to good inhibitory effect against these enzymes compared to acarbose used as a reference standard. The results are supported by the enzyme-ligand interactions through kinetics (in vitro) and molecular docking (in silico) studies. The test compounds also exhibited significant antioxidant activity through the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and nitric oxide (NO) free radical scavenging assays. These azaborininone derivatives exhibited no effect on the viability of the human lung cancer (A549) cell line after 24 hr and were also not toxic towards the Vero cells.
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Affiliation(s)
- Malose J Mphahlele
- Department of Chemistry, College of Science, Engineering and Technology, University of South Africa, Florida, South Africa
| | - Nontokozo M Magwaza
- Department of Chemistry, College of Science, Engineering and Technology, University of South Africa, Florida, South Africa
| | - Sibusiso T Malindisa
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Florida, South Africa
| | - Yee Siew Choong
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia, Penang, Malaysia
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38
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Hoyos P, Perona A, Juanes O, Rumbero Á, Hernáiz MJ. Synthesis of Glycodendrimers with Antiviral and Antibacterial Activity. Chemistry 2021; 27:7593-7624. [PMID: 33533096 DOI: 10.1002/chem.202005065] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Indexed: 12/27/2022]
Abstract
Glycodendrimers are an important class of synthetic macromolecules that can be used to mimic many structural and functional features of cell-surface glycoconjugates. Their carbohydrate moieties perform key important functions in bacterial and viral infections, often regulated by carbohydrate-protein interactions. Several studies have shown that the molecular structure, valency and spatial organisation of carbohydrate epitopes in glycoconjugates are key factors in the specificity and avidity of carbohydrate-protein interactions. Choosing the right glycodendrimers almost always helps to interfere with such interactions and blocks bacterial or viral adhesion and entry into host cells as an effective strategy to inhibit bacterial or viral infections. Herein, the state of the art in the design and synthesis of glycodendrimers employed for the development of anti-adhesion therapy against bacterial and viral infections is described.
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Affiliation(s)
- Pilar Hoyos
- Chemistry in Pharmaceutical Sciences Department, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040, Madrid, Spain
| | - Almudena Perona
- Chemistry in Pharmaceutical Sciences Department, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040, Madrid, Spain
| | - Olga Juanes
- Organic Chemistry Department, Autónoma University of Madrid, Francisco Tomás y Valiente 7, 28049, Madrid, Spain
| | - Ángel Rumbero
- Organic Chemistry Department, Autónoma University of Madrid, Francisco Tomás y Valiente 7, 28049, Madrid, Spain
| | - María J Hernáiz
- Chemistry in Pharmaceutical Sciences Department, Complutense University of Madrid, Plaza Ramón y Cajal s/n, 28040, Madrid, Spain
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39
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Kundu M, Misra AK. Preparation of glycosyl disulfides and sulfides via the formation of glycosyl Bunte salts as thiol surrogates. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Pagar AD, Patil MD, Flood DT, Yoo TH, Dawson PE, Yun H. Recent Advances in Biocatalysis with Chemical Modification and Expanded Amino Acid Alphabet. Chem Rev 2021; 121:6173-6245. [PMID: 33886302 DOI: 10.1021/acs.chemrev.0c01201] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The two main strategies for enzyme engineering, directed evolution and rational design, have found widespread applications in improving the intrinsic activities of proteins. Although numerous advances have been achieved using these ground-breaking methods, the limited chemical diversity of the biopolymers, restricted to the 20 canonical amino acids, hampers creation of novel enzymes that Nature has never made thus far. To address this, much research has been devoted to expanding the protein sequence space via chemical modifications and/or incorporation of noncanonical amino acids (ncAAs). This review provides a balanced discussion and critical evaluation of the applications, recent advances, and technical breakthroughs in biocatalysis for three approaches: (i) chemical modification of cAAs, (ii) incorporation of ncAAs, and (iii) chemical modification of incorporated ncAAs. Furthermore, the applications of these approaches and the result on the functional properties and mechanistic study of the enzymes are extensively reviewed. We also discuss the design of artificial enzymes and directed evolution strategies for enzymes with ncAAs incorporated. Finally, we discuss the current challenges and future perspectives for biocatalysis using the expanded amino acid alphabet.
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Affiliation(s)
- Amol D Pagar
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| | - Mahesh D Patil
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| | - Dillon T Flood
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Tae Hyeon Yoo
- Department of Molecular Science and Technology, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Philip E Dawson
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
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41
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Abstract
Systematically dissecting the molecular basis of the cell surface as well as its related biological activities is considered as one of the most cutting-edge fields in fundamental sciences. The advent of various advanced cell imaging techniques allows us to gain a glimpse of how the cell surface is structured and coordinated with other cellular components to respond to intracellular signals and environmental stimuli. Nowadays, cell surface-related studies have entered a new era featured by a redirected aim of not just understanding but artificially manipulating/remodeling the cell surface properties. To meet this goal, biologists and chemists are intensely engaged in developing more maneuverable cell surface labeling strategies by exploiting the cell's intrinsic biosynthetic machinery or direct chemical/physical binding methods for imaging, sensing, and biomedical applications. In this review, we summarize the recent advances that focus on the visualization of various cell surface structures/dynamics and accurate monitoring of the microenvironment of the cell surface. Future challenges and opportunities in these fields are discussed, and the importance of cell surface-based studies is highlighted.
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Affiliation(s)
- Hao-Ran Jia
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, 2 Sipailou Road, Nanjing 210096, P. R. China.
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42
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Shi WZ, Li H, Mu GC, Lu JL, Tu YH, Hu XG. 1,2- trans-Stereoselective Synthesis of C-Glycosides of 2-Deoxy-2-amino-sugars Involving Glycosyl Radicals. Org Lett 2021; 23:2659-2663. [PMID: 33733785 DOI: 10.1021/acs.orglett.1c00551] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We report for the first time that the imidate radical can be efficiently added to glycals to generate glycosyl radicals, based on which a general, toxic-reagent-free synthesis of C-glycosides of 2-deoxy-2-amino sugars has been developed. Complementary to previous strategies, the reaction is 1,2-trans-stereoselective and could use aryl alkenes as substrates. The late-stage functionalization and density functional theory calculations are reported.
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Affiliation(s)
- Wen-Ze Shi
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China
| | - Hai Li
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China
| | - Gui-Cai Mu
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China
| | - Ji-Liang Lu
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China
| | - Yuan-Hong Tu
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China
| | - Xiang-Guo Hu
- National Engineering Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R.China.,Key Laboratory of Small Functional Organic Molecule, Ministry of Education, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
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43
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Miller LM, Barnes LF, Raab SA, Draper BE, El-Baba TJ, Lutomski CA, Robinson CV, Clemmer DE, Jarrold MF. Heterogeneity of Glycan Processing on Trimeric SARS-CoV-2 Spike Protein Revealed by Charge Detection Mass Spectrometry. J Am Chem Soc 2021; 143:3959-3966. [PMID: 33657316 PMCID: PMC8543487 DOI: 10.1021/jacs.1c00353] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The heterogeneity associated with glycosylation of the 66 N-glycan sites on the protein trimer making up the spike (S) region of the SARS-CoV-2 virus has been assessed by charge detection mass spectrometry (CDMS). CDMS allows simultaneous measurement of the mass-to-charge ratio and charge of individual ions, so that mass distributions can be determined for highly heterogeneous proteins such as the heavily glycosylated S protein trimer. The CDMS results are compared to recent glycoproteomics studies of the structure and abundance of glycans at specific sites. Interestingly, average glycan masses determined by "top-down" CDMS measurements are 35-47% larger than those obtained from the "bottom-up" glycoproteomics studies, suggesting that the glycoproteomic measurements underestimated the abundances of larger, more-complex glycans. Moreover, the distribution of glycan masses determined by CDMS is much broader than the distribution expected from the glycoproteomics studies, assuming that glycan processing on each trimer is not correlated. The breadth of the glycan mass distribution therefore indicates heterogeneity in the extent of glycan processing of the S protein trimers, with some trimers being much more heavily processed than others. This heterogeneity may have evolved as a way of further confounding the host's immune system.
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Affiliation(s)
- Lohra M Miller
- Chemistry Department, Indiana University, 800 E Kirkwood Ave, Bloomington Indiana 47405, United States
| | - Lauren F Barnes
- Chemistry Department, Indiana University, 800 E Kirkwood Ave, Bloomington Indiana 47405, United States
| | - Shannon A Raab
- Chemistry Department, Indiana University, 800 E Kirkwood Ave, Bloomington Indiana 47405, United States
| | - Benjamin E Draper
- Megadalton Solutions, 3520 E Bluebird Ln, Bloomington Indiana 47401, United States
| | - Tarick J El-Baba
- Department of Chemistry, University of Oxford, South Parks Road, Oxford, OXI 3QZ, U.K
| | - Corinne A Lutomski
- Department of Chemistry, University of Oxford, South Parks Road, Oxford, OXI 3QZ, U.K
| | - Carol V Robinson
- Department of Chemistry, University of Oxford, South Parks Road, Oxford, OXI 3QZ, U.K
| | - David E Clemmer
- Chemistry Department, Indiana University, 800 E Kirkwood Ave, Bloomington Indiana 47405, United States
| | - Martin F Jarrold
- Chemistry Department, Indiana University, 800 E Kirkwood Ave, Bloomington Indiana 47405, United States
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44
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Wang S, Liu D, Qu J, Zhu H, Chen C, Gibbons C, Greenway H, Wang P, Bollag RJ, Liu K, Li L. Streamlined Subclass-Specific Absolute Quantification of Serum IgG Glycopeptides Using Synthetic Isotope-Labeled Standards. Anal Chem 2021; 93:4449-4455. [PMID: 33630567 PMCID: PMC8715724 DOI: 10.1021/acs.analchem.0c04462] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Absolute glycoproteomics quantification has drawn tremendous attention owing to its prospects in biomarker discovery and clinical implementation but is impeded by a general lack of suitable heavy isotope-labeled glycopeptide standards. In this study, we devised a facile chemoenzymatic strategy to synthesize a total of 36 human IgG glycopeptides attached with well-defined glycoforms, including 15 isotope-labeled ones with a mass increment of 6 Da to their native counterparts. Spiking of these standards into human sera enabled simplified, robust, and precise absolute quantification of IgG glycopeptides in a subclass-specific fashion. Additionally, the implementation of the absolute quantification approach revealed subclass-dependent alteration of serum IgG galactosylation and sialylation in colon cancer samples.
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Affiliation(s)
- Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Jingyao Qu
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, Shandong, China
| | - He Zhu
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Congcong Chen
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Christopher Gibbons
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Harmon Greenway
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Peng Wang
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
| | - Roni J Bollag
- Department of Pathology, Augusta University, Augusta, Georgia 30912, United States
| | - Kebin Liu
- Department of Biochemistry and Molecular Biology, Augusta University, Augusta, Georgia 30912, United States
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30303, United States
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Groenevelt JM, Corey DJ, Fehl C. Chemical Synthesis and Biological Applications of O-GlcNAcylated Peptides and Proteins. Chembiochem 2021; 22:1854-1870. [PMID: 33450137 DOI: 10.1002/cbic.202000843] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/15/2021] [Indexed: 12/25/2022]
Abstract
All human cells use O-GlcNAc protein modifications (O-linked N-acetylglucosamine) to rapidly adapt to changing nutrient and stress conditions through signaling, epigenetic, and proteostasis mechanisms. A key challenge for biologists in defining precise roles for specific O-GlcNAc sites is synthetic access to homogenous isoforms of O-GlcNAc proteins, a result of the non-genetically templated, transient, and heterogeneous nature of O-GlcNAc modifications. Toward a solution, this review details the state of the art of two strategies for O-GlcNAc protein modification: advances in "bottom-up" O-GlcNAc peptide synthesis and direct "top-down" installation of O-GlcNAc on full proteins. We also describe key applications of synthetic O-GlcNAc peptide and protein tools as therapeutics, biophysical structure-function studies, biomarkers, and as disease mechanistic probes to advance translational O-GlcNAc biology.
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Affiliation(s)
- Jessica M Groenevelt
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA
| | - Daniel J Corey
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA
| | - Charlie Fehl
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI, 48202, USA
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Geissner A, Baumann L, Morley TJ, Wong AKO, Sim L, Rich JR, So PPL, Dullaghan EM, Lessard E, Iqbal U, Moreno M, Wakarchuk WW, Withers SG. 7-Fluorosialyl Glycosides Are Hydrolysis Resistant but Readily Assembled by Sialyltransferases Providing Easy Access to More Metabolically Stable Glycoproteins. ACS CENTRAL SCIENCE 2021; 7:345-354. [PMID: 33655072 PMCID: PMC7908025 DOI: 10.1021/acscentsci.0c01589] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Indexed: 05/04/2023]
Abstract
The maintenance of therapeutic glycoproteins within the circulatory system is associated, in large part, with the integrity of sialic acids as terminal sugars on the glycans. Glycoprotein desialylation, either by spontaneous cleavage or through host sialidases, leads to protein clearance, mainly through the liver. Thus, the installation of minimally modified sialic acids that are hydrolysis-resistant yet biologically equivalent should lead to increased circulatory half-lives and improved pharmacokinetic profiles. Here we describe the chemoenzymatic synthesis of CMP-sialic acid sugar donors bearing fluorine atoms at the 7-position, starting from the corresponding 4-deoxy-4-fluoro-N-acetylhexosamine precursors. For the derivative with natural stereochemistry we observe efficient glycosyl transfer by sialyltransferases, along with improved stability of the resultant 7-fluorosialosides toward spontaneous hydrolysis (3- to 5-fold) and toward cleavage by GH33 sialidases (40- to 250-fold). Taking advantage of the rapid transfer of 7-fluorosialic acid by sialyltransferases, we engineered the O-glycan of Interferon α-2b and the N-glycans of the therapeutic glycoprotein α1-antitrypsin. Studies of the uptake of the glyco-engineered α1-antitrypsin by HepG2 liver cells demonstrated the bioequivalence of 7-fluorosialic acid to sialic acid in suppressing interaction with liver cell lectins. In vivo pharmacokinetic studies reveal enhanced half-life of the protein decorated with 7-fluorosialic acid relative to unmodified sialic acid in the murine circulatory system. 7-Fluorosialylation therefore offers considerable promise as a means of prolonging circulatory half-lives of glycoproteins and may pave the way toward biobetters for therapeutic use.
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Affiliation(s)
- Andreas Geissner
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Lars Baumann
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Thomas J. Morley
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Andrew K. O. Wong
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Lyann Sim
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Jamie R. Rich
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
| | - Pauline P. L. So
- AdMare
BioInnovations, 2405
Wesbrook Mall, Vancouver, BC V6T 1Z3, Canada
| | - Edie M. Dullaghan
- AdMare
BioInnovations, 2405
Wesbrook Mall, Vancouver, BC V6T 1Z3, Canada
| | - Etienne Lessard
- National
Research Council Canada, Human Health Therapeutics, Ottawa, ON K1A 0R6, Canada
| | - Umar Iqbal
- National
Research Council Canada, Human Health Therapeutics, Ottawa, ON K1A 0R6, Canada
| | - Maria Moreno
- National
Research Council Canada, Human Health Therapeutics, Ottawa, ON K1A 0R6, Canada
| | - Warren W. Wakarchuk
- Department
of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada
| | - Stephen G. Withers
- Department
of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada
- Tel.: (604) 822-3402. Fax: (604) 822-8869. E-mail:
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47
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Davison RT, Parker PD, Hou X, Chung CP, Augustine SA, Dong VM. Enantioselective Addition of α-Nitroesters to Alkynes. Angew Chem Int Ed Engl 2021; 60:4599-4603. [PMID: 33411337 DOI: 10.1002/anie.202014015] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/16/2020] [Indexed: 11/11/2022]
Abstract
By using Rh-H catalysis, we couple α-nitroesters and alkynes to prepare α-amino-acid precursors. This atom-economical strategy generates two contiguous stereocenters, with high enantio- and diastereocontrol. In this transformation, the alkyne undergoes isomerization to generate a RhIII -π-allyl electrophile, which is trapped by an α-nitroester nucleophile. A subsequent reduction with In powder transforms the allylic α-nitroesters to the corresponding α,α-disubstituted α-amino esters.
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Affiliation(s)
- Ryan T Davison
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Patrick D Parker
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Xintong Hou
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Crystal P Chung
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Sara A Augustine
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - Vy M Dong
- Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
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Li H, Zhang J, An C, Dong S. Probing N-Glycan Functions in Human Interleukin-17A Based on Chemically Synthesized Homogeneous Glycoforms. J Am Chem Soc 2021; 143:2846-2856. [DOI: 10.1021/jacs.0c12448] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Hongxing Li
- State Key Laboratory of Natural and Biomimetic Drugs, and Department of Chemical Biology at School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Jun Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, and Department of Chemical Biology at School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Chuanjing An
- State Key Laboratory of Natural and Biomimetic Drugs, and Department of Chemical Biology at School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Suwei Dong
- State Key Laboratory of Natural and Biomimetic Drugs, and Department of Chemical Biology at School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
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49
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Development of a Simple and Sensitive Pre-column Derivatization HPLC Method for the Quantitative Analysis of Miglitol Intermediates. Chromatographia 2021. [DOI: 10.1007/s10337-021-04010-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Davison RT, Parker PD, Hou X, Chung CP, Augustine SA, Dong VM. Enantioselective Addition of α‐Nitroesters to Alkynes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ryan T. Davison
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Patrick D. Parker
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Xintong Hou
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Crystal P. Chung
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Sara A. Augustine
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
| | - Vy M. Dong
- Department of Chemistry University of California, Irvine Irvine CA 92697 USA
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