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Lee CH, Li H, Hyun JY, Shin I. Strategy for Construction of Homogeneous Glycoproteins in Mammalian Cells. Bioconjug Chem 2024. [PMID: 39319574 DOI: 10.1021/acs.bioconjchem.4c00361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2024]
Abstract
A general strategy that combines genetic code expansion with bio-orthogonal ligation techniques was developed and utilized to prepare homogeneously glycosylated receptors on the surface of mammalian cells. Using this approach, conjugates of the cell-surface oxytocin receptor (OTR) with oligosaccharides were efficiently generated in the cells. Cell studies revealed that glycans linked to the OTR are not essential for agonist-induced calcium flux and its internalization into cells via an OTR-mediated endocytosis.
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Affiliation(s)
- Chang-Hee Lee
- Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea
| | - Hui Li
- Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea
| | - Ji Young Hyun
- Department of Drug Discovery, Data Convergence Drug Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
- Pharmaceutical Chemistry, University of Science & Technology, Daejeon 34113, Republic of Korea
| | - Injae Shin
- Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea
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2
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2021-2022. MASS SPECTROMETRY REVIEWS 2024. [PMID: 38925550 DOI: 10.1002/mas.21873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 02/05/2024] [Accepted: 02/12/2024] [Indexed: 06/28/2024]
Abstract
The use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry for the analysis of carbohydrates and glycoconjugates is a well-established technique and this review is the 12th update of the original article published in 1999 and brings coverage of the literature to the end of 2022. As with previous review, this review also includes a few papers that describe methods appropriate to analysis by MALDI, such as sample preparation, even though the ionization method is not MALDI. The review follows the same format as previous reviews. It is divided into three sections: (1) general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, quantification and the use of computer software for structural identification. (2) Applications to various structural types such as oligo- and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals, and (3) other general areas such as medicine, industrial processes, natural products and glycan synthesis where MALDI is extensively used. Much of the material relating to applications is presented in tabular form. MALDI is still an ideal technique for carbohydrate analysis, particularly in its ability to produce single ions from each analyte and advancements in the technique and range of applications show little sign of diminishing.
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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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Gan Q, Fan C. Orthogonal Translation for Site-Specific Installation of Post-translational Modifications. Chem Rev 2024; 124:2805-2838. [PMID: 38373737 PMCID: PMC11230630 DOI: 10.1021/acs.chemrev.3c00850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Post-translational modifications (PTMs) endow proteins with new properties to respond to environmental changes or growth needs. With the development of advanced proteomics techniques, hundreds of distinct types of PTMs have been observed in a wide range of proteins from bacteria, archaea, and eukarya. To identify the roles of these PTMs, scientists have applied various approaches. However, high dynamics, low stoichiometry, and crosstalk between PTMs make it almost impossible to obtain homogeneously modified proteins for characterization of the site-specific effect of individual PTM on target proteins. To solve this problem, the genetic code expansion (GCE) strategy has been introduced into the field of PTM studies. Instead of modifying proteins after translation, GCE incorporates modified amino acids into proteins during translation, thus generating site-specifically modified proteins at target positions. In this review, we summarize the development of GCE systems for orthogonal translation for site-specific installation of PTMs.
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Affiliation(s)
- Qinglei Gan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States
| | - Chenguang Fan
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas 72701, United States
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, Arkansas 72701, United States
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Lee CH, Park S, Kim S, Hyun JY, Lee HS, Shin I. Engineering of cell-surface receptors for analysis of receptor internalization and detection of receptor-specific glycosylation. Chem Sci 2024; 15:555-565. [PMID: 38179521 PMCID: PMC10762726 DOI: 10.1039/d3sc05054h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/06/2023] [Indexed: 01/06/2024] Open
Abstract
The epidermal growth factor receptor (EGFR) is a cell-surface glycoprotein that is involved mainly in cell proliferation. Overexpression of this receptor is intimately related to the development of a broad spectrum of tumors. In addition, glycans linked to the EGFR are known to affect its EGF-induced activation. Because of the pathophysiological significance of the EGFR, we prepared a fluorescently labeled EGFR (EGFR128-AZDye 488) on the cell surface by employing the genetic code expansion technique and bioorthogonal chemistry. EGFR128-AZDye 488 was initially utilized to investigate time-dependent endocytosis of the EGFR in live cells. The results showed that an EGFR inhibitor and antibody suppress endocytosis of the EGFR promoted by the EGF, and that lectins recognizing glycans of the EGFR do not enhance EGFR internalization into cells. Observations made in studies of the effects of appended glycans on the entry of the EGFR into cells indicate that a de-sialylated or de-fucosylated EGFR is internalized into cells more efficiently than a wild-type EGFR. Furthermore, by using the FRET-based imaging method of cells which contain an EGFR linked to AZDye 488 (a FRET donor) and cellular glycans labeled with rhodamine (a FRET acceptor), sialic acid residues attached to the EGFR were specifically detected on the live cell surface. Taken together, the results suggest that a fluorescently labeled EGFR will be a valuable tool in studies aimed at gaining an understanding of cellular functions of the EGFR.
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Affiliation(s)
- Chang-Hee Lee
- Department of Chemistry, Yonsei University Seoul 03722 Republic of Korea
| | - Sookil Park
- Department of Chemistry, Yonsei University Seoul 03722 Republic of Korea
| | - Sanggil Kim
- Department of Chemistry, Sogang University Seoul 04107 Republic of Korea
| | - Ji Young Hyun
- Data Convergence Drug Research Center, Korea Research Institute of Chemical Technology Daejeon 34114 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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Kim S, Kim S, Kim S, Kim N, Lee SW, Yi H, Lee S, Sim T, Kwon Y, Lee HS. Affinity-Directed Site-Specific Protein Labeling and Its Application to Antibody-Drug Conjugates. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306401. [PMID: 38032124 PMCID: PMC10811483 DOI: 10.1002/advs.202306401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/05/2023] [Indexed: 12/01/2023]
Abstract
Chemically modified proteins have diverse applications; however, conventional chemo-selective methods often yield heterogeneously labeled products. To address this limitation, site-specific protein labeling holds significant potential, driving extensive research in this area. Nevertheless, site-specific modification of native proteins remains challenging owing to the complexity of their functional groups. Therefore, a method for site-selective labeling of intact proteins is aimed to design. In this study, a novel approach to traceless affinity-directed intact protein labeling is established, which leverages small binding proteins and genetic code expansion technology. By applying this method, a site-specific antibody labeling with a drug, which leads to the production of highly effective antibody-drug conjugates specifically targeting breast cancer cell lines is achieved. This approach enables traceless conjugation of intact target proteins, which is a critical advantage in pharmaceutical applications. Furthermore, small helical binding proteins can be easily engineered for various target proteins, thereby expanding their potential applications in diverse fields. This innovative approach represents a significant advancement in site-specific modification of native proteins, including antibodies. It also bears immense potential for facilitating the development of therapeutic agents for various diseases.
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Affiliation(s)
- Sooin Kim
- Department of ChemistrySogang University35 Baekbeom‐ro, Mapo‐guSeoul04107Republic of Korea
| | - Sanggil Kim
- New Drug Development CenterOsong Medical Innovation Foundation123 Osongsaengmyeong‐ro, Heungdeok‐guCheongjuChungbuk28160Republic of Korea
| | - Sangji Kim
- School of PharmacySungkyunkwan University2066 Seobu‐ro, Jangan‐guSuwon16419Republic of Korea
| | - Namkyoung Kim
- Department of Biomedical SciencesGraduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of Medicine50 Yonsei‐ro, Seodaemun‐guSeoul03722Republic of Korea
| | - Sang Won Lee
- Department of ChemistrySogang University35 Baekbeom‐ro, Mapo‐guSeoul04107Republic of Korea
| | - Hanbin Yi
- Department of ChemistrySogang University35 Baekbeom‐ro, Mapo‐guSeoul04107Republic of Korea
| | - Seungeun Lee
- Department of ChemistrySogang University35 Baekbeom‐ro, Mapo‐guSeoul04107Republic of Korea
| | - Taebo Sim
- Department of Biomedical SciencesGraduate School of Medical ScienceBrain Korea 21 ProjectYonsei University College of Medicine50 Yonsei‐ro, Seodaemun‐guSeoul03722Republic of Korea
| | - Yongseok Kwon
- School of PharmacySungkyunkwan University2066 Seobu‐ro, Jangan‐guSuwon16419Republic of Korea
| | - Hyun Soo Lee
- Department of ChemistrySogang University35 Baekbeom‐ro, Mapo‐guSeoul04107Republic of Korea
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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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Kim Y, Hyun JY, Shin I. Multivalent glycans for biological and biomedical applications. Chem Soc Rev 2021; 50:10567-10593. [PMID: 34346405 DOI: 10.1039/d0cs01606c] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recognition of glycans by proteins plays a crucial role in a variety of physiological processes in cells and living organisms. In addition, interactions of glycans with proteins are involved in the development of diverse diseases, such as pathogen infection, inflammation and tumor metastasis. It is well-known that multivalent glycans bind to proteins much more strongly than do their monomeric counterparts. Owing to this property, numerous multivalent glycans have been utilized to elucidate glycan-mediated biological processes and to discover glycan-based biomedical agents. In this review, we discuss recent advances (2014-2020) made in the development and biological and biomedical applications of synthetic multivalent glycans, including neoglycopeptides, neoglycoproteins, glycodendrimers, glycopolymers, glyconanoparticles and glycoliposomes. We hope this review assists researchers in the design and development of novel multivalent glycans with predictable activities.
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Affiliation(s)
- Yujun Kim
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea.
| | - Ji Young Hyun
- Department of Drug Discovery, Data Convergence Drug Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Korea.
| | - Injae Shin
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea.
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