1
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Li Y, Wang H, Chen Y, Ding L, Ju H. In Situ Glycan Analysis and Editing in Living Systems. JACS AU 2024; 4:384-401. [PMID: 38425935 PMCID: PMC10900212 DOI: 10.1021/jacsau.3c00717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/15/2023] [Accepted: 12/19/2023] [Indexed: 03/02/2024]
Abstract
Besides proteins and nucleic acids, carbohydrates are also ubiquitous building blocks of living systems. Approximately 70% of mammalian proteins are glycosylated. Glycans not only provide structural support for living systems but also act as crucial regulators of cellular functions. As a result, they are considered essential pieces of the life science puzzle. However, research on glycans has lagged far behind that on proteins and nucleic acids. The main reason is that glycans are not direct products of gene coding, and their synthesis is nontemplated. In addition, the diversity of monosaccharide species and their linkage patterns contribute to the complexity of the glycan structures, which is the molecular basis for their diverse functions. Research in glycobiology is extremely challenging, especially for the in situ elucidation of glycan structures and functions. There is an urgent need to develop highly specific glycan labeling tools and imaging methods and devise glycan editing strategies. This Perspective focuses on the challenges of in situ analysis of glycans in living systems at three spatial levels (i.e., cell, tissue, and in vivo) and highlights recent advances and directions in glycan labeling, imaging, and editing tools. We believe that examining the current development landscape and the existing bottlenecks can drive the evolution of in situ glycan analysis and intervention strategies and provide glycan-based insights for clinical diagnosis and therapeutics.
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Affiliation(s)
- Yiran Li
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, China
| | - Haiqi Wang
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, China
| | - Yunlong Chen
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, China
| | - Lin Ding
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, China
- Chemistry
and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing 210023, China
| | - Huangxian Ju
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, China
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2
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Chen D, Lin Y, Fan Y, Li L, Tan C, Wang J, Lin H, Gao J. Glycan Metabolic Fluorine Labeling for In Vivo Visualization of Tumor Cells and In Situ Assessment of Glycosylation Variations. Angew Chem Int Ed Engl 2023; 62:e202313753. [PMID: 37899303 DOI: 10.1002/anie.202313753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/24/2023] [Accepted: 10/29/2023] [Indexed: 10/31/2023]
Abstract
The abnormality in the glycosylation of surface proteins is critical for the growth and metastasis of tumors and their capacity for immunosuppression and drug resistance. This anomaly offers an entry point for real-time analysis on glycosylation fluctuations. In this study, we report a strategy, glycan metabolic fluorine labeling (MEFLA), for selectively tagging glycans of tumor cells. As a proof of concept, we synthesized two fluorinated unnatural monosaccharides with distinctive 19 F chemical shifts (Ac4 ManNTfe and Ac4 GalNTfa). These two probes could undergo selective uptake by tumor cells and subsequent incorporation into surface glycans. This approach enables efficient and specific 19 F labeling of tumor cells, which permits in vivo tracking of tumor cells and in situ assessment of glycosylation changes by 19 F MRI. The efficiency and specificity of our probes for labeling tumor cells were verified in vitro with A549 cells. The feasibility of our method was further validated with in vivo experiments on A549 tumor-bearing mice. Moreover, the capacity of our approach for assessing glycosylation changes of tumor cells was illustrated both in vitro and in vivo. Our studies provide a promising means for visualizing tumor cells in vivo and assessing their glycosylation variations in situ through targeted multiplexed 19 F MRI.
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Affiliation(s)
- Dongxia Chen
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yaying Lin
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yifan Fan
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Lingxuan Li
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Chenlei Tan
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Junjie Wang
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Hongyu Lin
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
| | - Jinhao Gao
- Fujian Provincial Key Laboratory of Chemical Biology, The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, and Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
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3
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Richter LF, Marques F, Correia JDG, Pöthig A, Kühn FE. Exploiting click-chemistry: backbone post-functionalisation of homoleptic gold(I) 1,2,3-triazole-5-ylidene complexes. Dalton Trans 2023; 52:17185-17192. [PMID: 37942578 DOI: 10.1039/d3dt03052k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
The synthesis of a homoleptic azide-functionalised Au(I) bis-1,2,3-triazole-5-ylidene complex is reported, starting from a backbone-modified 1,2,3-triazolium salt ligand precursor. The incorporated azide handle allows for a straightforward modification of the complex according to click-chemistry protocols without impacting the steric shielding around the metal center, demonstrating the superiority of the presented triazole ligand framework over imidazole based systems. Employing the SPAAC and the CuAAC reactions, post-modification of the complex is facilitated with two model substrates, while retaining very high antiproliferative activity (nanomolar range IC50 values) in A2780 and MCF-7 human cancer cells.
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Affiliation(s)
- Leon F Richter
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry and Catalysis Research Centre, Molecular Catalysis, Lichtenbergstr. 4, 85748, Garching bei München, Germany.
| | - Fernanda Marques
- Centro de Ciências e Tecnologias Nucleares and Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139, 7), 2695-066 Bobadela LRS, Portugal
| | - João D G Correia
- Centro de Ciências e Tecnologias Nucleares and Departamento de Engenharia e Ciências Nucleares, Instituto Superior Técnico, Universidade de Lisboa, CTN, Estrada Nacional 10 (km 139, 7), 2695-066 Bobadela LRS, Portugal
| | - Alexander Pöthig
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry; Catalysis Research Center, Lichtenbergstr. 4, 85748 Garching bei München, Germany
| | - Fritz E Kühn
- Technical University of Munich, TUM School of Natural Sciences, Department of Chemistry and Catalysis Research Centre, Molecular Catalysis, Lichtenbergstr. 4, 85748, Garching bei München, Germany.
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4
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Wang H, Feng R, Wang Y, Ma Q, Wei J, Xu S, Wang L. Single Doping for Triple Functions: Integrated Theranostic Nanoplatforms for Multimodal Image-Guided Tumor Therapy. Adv Healthc Mater 2023; 12:e2301435. [PMID: 37611193 DOI: 10.1002/adhm.202301435] [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: 05/05/2023] [Revised: 06/28/2023] [Indexed: 08/25/2023]
Abstract
Accurate location and efficient treatment of diseases by multifunctional nanoplatforms are appealing but face great challenges. Theranostic agents through the physical combination of different functional nanoparticles are demonstrated to be effective. Yet, the complicated biological environment often leads to ambiguous fates of each agent, which fails to keep the behaviors of imaging and therapeutic components in a simultaneous manner. Herein, "integrated" theranostic NPs, Gd-doped CuWO4 (CWG) with strong near-infrared (808 nm) absorption, the longest absorption peak of reported CuWO4 , located in the biological transparent window, are constructed. The single doping of trace amount of Gd not only endows them with a distinguished magnetic resonance imaging capability (r1 = 12.01 mM-1 s-1 ), but also concurrently imposes great effect on the valence states of matrix ion (Cu), as evidenced by theoretical calculation results. The charge distribution shift of Cu would facilitate ·OH generation, beneficial for chemodynamic therapy (CDT). Moreover, CWG NPs display remarkable photoacoustic (PA) and computed tomography (CT) imaging capabilities (S = 10.33 HU mM-1 ). Such integrated theranostics afford a paradigm for multimodal imaging-guided synergistic therapy with all-in-one single nanoparticle.
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Affiliation(s)
- Hui Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruxin Feng
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yan Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Qian Ma
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jie Wei
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Suying Xu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Leyu Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
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5
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Yang J, Zhu B, Ran C. The Application of Bio-orthogonality for In Vivo Animal Imaging. CHEMICAL & BIOMEDICAL IMAGING 2023; 1:434-447. [PMID: 37655167 PMCID: PMC10466453 DOI: 10.1021/cbmi.3c00033] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 09/02/2023]
Abstract
The application of bio-orthogonality has greatly facilitated numerous aspects of biological studies in recent years. In particular, bio-orthogonal chemistry has transformed biological research, including in vitro conjugate chemistry, target identification, and biomedical imaging. In this review, we highlighted examples of bio-orthogonal in vivo imaging published in recent years. We grouped the references into two major categories: bio-orthogonal chemistry-related imaging and in vivo imaging with bio-orthogonal nonconjugated pairing. Lastly, we discussed the challenges and opportunities of bio-orthogonality for in vivo imaging.
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Affiliation(s)
- Jun Yang
- Athinoula
A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129, United States
| | - Biyue Zhu
- Athinoula
A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129, United States
| | - Chongzhao Ran
- Athinoula
A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital/Harvard Medical School, Room 2301, Building 149, Charlestown, Boston, Massachusetts 02129, United States
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6
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Kufleitner M, Haiber LM, Wittmann V. Metabolic glycoengineering - exploring glycosylation with bioorthogonal chemistry. Chem Soc Rev 2023; 52:510-535. [PMID: 36537135 DOI: 10.1039/d2cs00764a] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Glycans are involved in numerous biological recognition events. Being secondary gene products, their labeling by genetic methods - comparable to GFP labeling of proteins - is not possible. To overcome this limitation, metabolic glycoengineering (MGE, also known as metabolic oligosaccharide engineering, MOE) has been developed. In this approach, cells or organisms are treated with synthetic carbohydrate derivatives that are modified with a chemical reporter group. In the cytosol, the compounds are metabolized and incorporated into newly synthesized glycoconjugates. Subsequently, the reporter groups can be further derivatized in a bioorthogonal ligation reaction. In this way, glycans can be visualized or isolated. Furthermore, diverse targeting strategies have been developed to direct drugs, nanoparticles, or whole cells to a desired location. This review summarizes research in the field of MGE carried out in recent years. After an introduction to the bioorthogonal ligation reactions that have been used in in connection with MGE, an overview on carbohydrate derivatives for MGE is given. The last part of the review focuses on the many applications of MGE starting from mammalian cells to experiments with animals and other organisms.
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Affiliation(s)
- Markus Kufleitner
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
| | - Lisa Maria Haiber
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
| | - Valentin Wittmann
- Department of Chemistry and Konstanz Research School Chemical Biology (KoRS-CB), University of Konstanz, Universitätsstraße 10, 78457 Konstanz, Germany.
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7
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Yi W, Xiao P, Liu X, Zhao Z, Sun X, Wang J, Zhou L, Wang G, Cao H, Wang D, Li Y. Recent advances in developing active targeting and multi-functional drug delivery systems via bioorthogonal chemistry. Signal Transduct Target Ther 2022; 7:386. [PMID: 36460660 PMCID: PMC9716178 DOI: 10.1038/s41392-022-01250-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 10/25/2022] [Accepted: 11/07/2022] [Indexed: 12/03/2022] Open
Abstract
Bioorthogonal chemistry reactions occur in physiological conditions without interfering with normal physiological processes. Through metabolic engineering, bioorthogonal groups can be tagged onto cell membranes, which selectively attach to cargos with paired groups via bioorthogonal reactions. Due to its simplicity, high efficiency, and specificity, bioorthogonal chemistry has demonstrated great application potential in drug delivery. On the one hand, bioorthogonal reactions improve therapeutic agent delivery to target sites, overcoming off-target distribution. On the other hand, nanoparticles and biomolecules can be linked to cell membranes by bioorthogonal reactions, providing approaches to developing multi-functional drug delivery systems (DDSs). In this review, we first describe the principle of labeling cells or pathogenic microorganisms with bioorthogonal groups. We then highlight recent breakthroughs in developing active targeting DDSs to tumors, immune systems, or bacteria by bioorthogonal chemistry, as well as applications of bioorthogonal chemistry in developing functional bio-inspired DDSs (biomimetic DDSs, cell-based DDSs, bacteria-based and phage-based DDSs) and hydrogels. Finally, we discuss the difficulties and prospective direction of bioorthogonal chemistry in drug delivery. We expect this review will help us understand the latest advances in the development of active targeting and multi-functional DDSs using bioorthogonal chemistry and inspire innovative applications of bioorthogonal chemistry in developing smart DDSs for disease treatment.
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Affiliation(s)
- Wenzhe Yi
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Ping Xiao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Xiaochen Liu
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Zitong Zhao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Xiangshi Sun
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Jue Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Lei Zhou
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Guanru Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Haiqiang Cao
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China
| | - Dangge Wang
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,Yantai Key Laboratory of Nanomedicine & Advanced Preparations, Yantai Institute of Materia Medica, Yantai, 264000 China
| | - Yaping Li
- grid.9227.e0000000119573309State Key Laboratory of Drug Research & Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203 China ,Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, 264000 China
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8
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Parle D, Bulat F, Fouad S, Zecchini H, Brindle KM, Neves AA, Leeper FJ. Metabolic Glycan Labeling of Cancer Cells Using Variably Acetylated Monosaccharides. Bioconjug Chem 2022; 33:1467-1473. [PMID: 35876696 PMCID: PMC9389531 DOI: 10.1021/acs.bioconjchem.2c00169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/06/2022] [Indexed: 11/30/2022]
Abstract
Methylcyclopropene (Cyoc)-tagged tetra-acetylated monosaccharides, and in particular mannosamine derivatives, are promising tools for medical imaging of cancer using metabolic oligosaccharide engineering and the extremely fast inverse electron-demand Diels-Alder bioorthogonal reaction. However, the in vivo potential of these monosaccharide derivatives has yet to be fully explored due to their low aqueous solubility. To address this issue, we sought to vary the extent of acetylation of Cyoc-tagged monosaccharides and probe its effect on the extent of glycan labeling in various cancer cell lines. We demonstrate that, in the case of AcxManNCyoc, tri- and diacetylated derivatives generated significantly enhanced cell labeling compared to the tetra-acetylated monosaccharide. In contrast, for the more readily soluble azide-tagged sugars, a decrease in acetylation led to decreased glycan labeling. Ac3ManNCyoc gave better labeling than the azido-tagged Ac4ManNAz and has significant potential for in vitro and in vivo imaging of glycosylated cancer biomarkers.
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Affiliation(s)
- Daniel
R. Parle
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Flaviu Bulat
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Shahd Fouad
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Heather Zecchini
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Kevin M. Brindle
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - André A. Neves
- Cancer
Research UK Cambridge Institute, University
of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, United Kingdom
| | - Finian J. Leeper
- Yusuf
Hamied Department of Chemistry, University
of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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9
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Wu D, Yang K, Zhang Z, Feng Y, Rao L, Chen X, Yu G. Metal-free bioorthogonal click chemistry in cancer theranostics. Chem Soc Rev 2022; 51:1336-1376. [PMID: 35050284 DOI: 10.1039/d1cs00451d] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Bioorthogonal chemistry is a powerful tool to site-specifically activate drugs in living systems. Bioorthogonal reactions between a pair of biologically reactive groups can rapidly and specifically take place in a mild physiological milieu without perturbing inherent biochemical processes. Attributed to their high selectivity and efficiency, bioorthogonal reactions can significantly decrease background signals in bioimaging. Compared with metal-catalyzed bioorthogonal click reactions, metal-free click reactions are more biocompatible without the metal catalyst-induced cytotoxicity. Although a great number of bioorthogonal chemistry-based strategies have been reported for cancer theranostics, a comprehensive review is scarce to highlight the advantages of these strategies. In this review, recent progress in cancer theranostics guided by metal-free bioorthogonal click chemistry will be depicted in detail. The elaborate design as well as the advantages of bioorthogonal chemistry in tumor theranostics are summarized and future prospects in this emerging field are emphasized.
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Affiliation(s)
- Dan Wu
- College of Materials Science and Engineering, Zhejiang University of Technology Hangzhou, 310014, P. R. China.
| | - Kuikun Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Avenida da Universidade, Taipa, Macau 999078, P. R. China
| | - Zhankui Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology Hangzhou, 310014, P. R. China.
| | - Yunxuan Feng
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
| | - Lang Rao
- Institute of Biomedical Health Technology and Engineering, Shenzhen Bay Laboratory, Shenzhen 518132, P. R. China.
| | - Xiaoyuan Chen
- Yong Loo Lin School of Medicine and Faculty of Engineering, National University of Singapore, Singapore, 117597, Singapore.
| | - Guocan Yu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
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10
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Shen YH, Esper AM, Ghiviriga I, Abboud KA, Schanze KS, Ehm C, Veige AS. SPAAC iClick: progress towards a bioorthogonal reaction in-corporating metal ions. Dalton Trans 2021; 50:12681-12691. [PMID: 34545891 DOI: 10.1039/d1dt02626g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Combining strain-promoted azide-alkyne cycloaddition (SPAAC) and inorganic click (iClick) reactivity provides access to metal 1,2,3-triazolates. Experimental and computational insights demonstrate that iClick reactivity of the tested metal azides (LM-N3, M = Au, W, Re, Ru and Pt) depends on the accessibility of the azide functionality rather than electronic effects imparted by the metal. SPAAC iClick reactivity with cyclooctyne is observed when the azide functionality is sterically unencumbered, e.g. [Au(N3)(PPh3)] (Au-N3), [W(η3-allyl)(N3)(bpy)(CO)2] (W-N3), and [Re(N3)(bpy)(CO)3] [bpy = 2,2'-bipyridine] (Re-N3). Increased steric bulk and/or preequilibria with high activation barriers prevent SPAAC iClick reactivity for the complexes [Ru(N3)(Tp)(PPh3)2] [Tp = tris(pyrazolyl)borate] (Ru-N3), [Pt(N3)(CH3)(PiPr3)2] [iPr = isopropyl] (Pt(II)-N3), and [Pt(N3)(CH3)3]4 ((PtN3)4). Based on these computational insights, the SPAAC iClick reactivity of [Pt(N3)(CH3)3(P(CH3)3)2] (Pt(IV)-N3) was successfully predicted.
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Affiliation(s)
- Yu-Hsuan Shen
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, FL, 32611, USA.
| | - Alec M Esper
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, FL, 32611, USA.
| | - Ion Ghiviriga
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, FL, 32611, USA.
| | - Khalil A Abboud
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, FL, 32611, USA.
| | - Kirk S Schanze
- University of Texas at San Antonio, Department of Chemistry, One UTSA Circle, San Antonio, TX 78249, USA
| | - Christian Ehm
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Via Cintia, 80126 Napoli, Italy.
| | - Adam S Veige
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, FL, 32611, USA.
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11
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Zhang YY, Ghirardello M, Wang T, Lu AM, Liu L, Voglmeir J, Galan MC. Imidazolium labelling permits the sensitive mass-spectrometric detection of N-glycosides directly from serum. Chem Commun (Camb) 2021; 57:7003-7006. [PMID: 34159978 PMCID: PMC8280963 DOI: 10.1039/d1cc02100a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/17/2021] [Indexed: 12/13/2022]
Abstract
A novel imidazolium derivative (GITag) shows superior ionisation and consequently allows increased mass spectrometric detection capabilities of oligosaccharides and N-glycans. Here we demonstrate that human serum samples can be directly labelled by GITag on a MALDI target plate, abrogating prevalently required sample pretreatment or clean-up steps.
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Affiliation(s)
- Yao-Yao Zhang
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095 Nanjing, China.
| | - Mattia Ghirardello
- School of Chemistry, University of Bristol, Cantock's Close, BS8 1TS Bristol, UK.
| | - Ting Wang
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095 Nanjing, China.
| | - Ai-Min Lu
- College of Sciences, Nanjing Agricultural University, 1 Weigang, 210095 Nanjing, China
| | - Li Liu
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095 Nanjing, China.
| | - Josef Voglmeir
- Glycomics and Glycan Bioengineering Research Center (GGBRC), College of Food Science and Technology, Nanjing Agricultural University, 1 Weigang, 210095 Nanjing, China.
| | - M Carmen Galan
- School of Chemistry, University of Bristol, Cantock's Close, BS8 1TS Bristol, UK.
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12
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Chemistry of Molecular Imaging: An Overview. Mol Imaging 2021. [DOI: 10.1016/b978-0-12-816386-3.00029-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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13
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Metabolic glycan labelling for cancer-targeted therapy. Nat Chem 2020; 12:1102-1114. [PMID: 33219365 DOI: 10.1038/s41557-020-00587-w] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Accepted: 10/19/2020] [Indexed: 12/19/2022]
Abstract
Metabolic glycoengineering with unnatural sugars provides a powerful tool to label cell membranes with chemical tags for subsequent targeted conjugation of molecular cargos via efficient chemistries. This technology has been widely explored for cancer labelling and targeting. However, as this metabolic labelling process can occur in both cancerous and normal cells, cancer-selective labelling needs to be achieved to develop cancer-targeted therapies. Unnatural sugars can be either rationally designed to enable preferential labelling of cancer cells, or specifically delivered to cancerous tissues. In this Review Article, we will discuss the progress to date in design and delivery of unnatural sugars for metabolic labelling of tumour cells and subsequent development of tumour-targeted therapy. Metabolic cell labelling for cancer immunotherapy will also be discussed. Finally, we will provide a perspective on future directions of metabolic labelling of cancer and immune cells for the development of potent, clinically translatable cancer therapies.
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14
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Kim E, Koo H. Biomedical applications of copper-free click chemistry: in vitro, in vivo, and ex vivo. Chem Sci 2019; 10:7835-7851. [PMID: 31762967 PMCID: PMC6855312 DOI: 10.1039/c9sc03368h] [Citation(s) in RCA: 205] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 07/28/2019] [Indexed: 12/18/2022] Open
Abstract
Recently, click chemistry has provided important advances in biomedical research fields. Particularly, copper-free click chemistry including strain-promoted azide-alkyne cycloaddition (SPAAC) and inverse-electron-demand Diels-Alder (iEDDA) reactions enable fast and specific chemical conjugation under aqueous conditions without the need for toxic catalysts. Click chemistry has resulted in a change of paradigm, showing that artificial chemical reactions can occur on cell surfaces, in cell cytosol, or within the body, which is not easy with most other chemical reactions. Click chemistry in vitro allows specific labelling of cellular target proteins and studying of drug target engagement with drug surrogates in live cells. Furthermore, cellular membrane lipids and proteins could be selectively labelled with click chemistry in vitro and cells could be adhered together using click chemistry. Click chemistry in vivo enables efficient and effective molecular imaging and drug delivery for diagnosis and therapy. Click chemistry ex vivo can be used to develop molecular tools to understand tissue development, diagnosis of diseases, and therapeutic monitoring. Overall, the results from research to date suggest that click chemistry has emerged as a valuable tool in biomedical fields as well as in organic chemistry.
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Affiliation(s)
- Eunha Kim
- Department of Molecular Science and Technology , Ajou University , Suwon 16499 , Republic of Korea
| | - Heebeom Koo
- Department of Medical Life Sciences , College of Medicine , The Catholic University of Korea , 222 Banpo-daero, Seocho-gu , Seoul , 06591 , Republic of Korea .
- Department of Biomedicine & Health Sciences , College of Medicine , The Catholic University of Korea , 222 Banpo-daero, Seocho-gu , Seoul , 06591 , Republic of Korea
- Catholic Photomedicine Research Institute , College of Medicine , The Catholic University of Korea , 222 Banpo-daero, Seocho-gu , Seoul , 06591 , Republic of Korea
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15
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Babič A, Vorobiev V, Trefalt G, Crowe LA, Helm L, Vallée JP, Allémann E. MRI micelles self-assembled from synthetic gadolinium-based nano building blocks. Chem Commun (Camb) 2019; 55:945-948. [DOI: 10.1039/c8cc08875f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Synthetic self-assembled stealth Gd-micelles are a new blood pool contrast agent for magnetic resonance imaging.
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Affiliation(s)
- Andrej Babič
- Pharmaceutical Technology, School of Pharmaceutical Sciences, University of Geneva, University of Lausanne
- 1211 Geneva 4
- Switzerland
| | - Vassily Vorobiev
- Pharmaceutical Technology, School of Pharmaceutical Sciences, University of Geneva, University of Lausanne
- 1211 Geneva 4
- Switzerland
| | - Gregor Trefalt
- Department of Inorganic and Analytical Chemistry, University of Geneva
- 1205 Geneva 4
- Switzerland
| | - Lindsey A. Crowe
- Department of Radiology and Medical Informatics, Faculty of Medicine, University of Geneva
- 1211 Geneva 4
- Switzerland
| | - Lothar Helm
- Institut des Sciences et Ingénierie Chimiques, École Polytechnique Fédérale de Lausanne
- 1015 Lausanne
- Switzerland
| | - Jean-Paul Vallée
- Department of Radiology and Medical Informatics, Faculty of Medicine, University of Geneva
- 1211 Geneva 4
- Switzerland
| | - Eric Allémann
- Pharmaceutical Technology, School of Pharmaceutical Sciences, University of Geneva, University of Lausanne
- 1211 Geneva 4
- Switzerland
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16
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Choi JY, Park M, Cho H, Kim MH, Kang K, Choi IS. Neuro-Compatible Metabolic Glycan Labeling of Primary Hippocampal Neurons in Noncontact, Sandwich-Type Neuron-Astrocyte Coculture. ACS Chem Neurosci 2017; 8:2607-2612. [PMID: 28953350 DOI: 10.1021/acschemneuro.7b00300] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Glycans are intimately involved in several facets of neuronal development and neuropathology. However, the metabolic labeling of surface glycans in primary neurons is a difficult task because of the neurotoxicity of unnatural monosaccharides that are used as a metabolic precursor, hindering the progress of metabolic engineering in neuron-related fields. Therefore, in this paper, we report a neurosupportive, neuron-astrocyte coculture system that neutralizes the neurotoxic effects of unnatural monosaccharides, allowing for the long-term observation and characterization of glycans in primary neurons in vitro. Polysialic acids in neurons are selectively imaged, via the metabolic labeling of sialoglycans with peracetylated N-azidoacetyl-d-mannosamine (Ac4ManNAz), for up to 21 DIV. Two-color labeling shows that neuronal activities, such as neurite outgrowth and recycling of membrane components, are highly dynamic and change over time during development. In addition, the insertion sites of membrane components are suggested to not be random, but be predominantly localized in developing neurites. This work provides a new research platform and also suggests advanced 3D systems for metabolic-labeling studies of glycans in primary neurons.
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Affiliation(s)
- Ji Yu Choi
- Center
for Cell-Encapsulation Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Matthew Park
- Center
for Cell-Encapsulation Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Hyeoncheol Cho
- Center
for Cell-Encapsulation Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Mi-Hee Kim
- Center
for Cell-Encapsulation Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
| | - Kyungtae Kang
- Department
of Applied Chemistry, Kyung Hee University, Yongin, Gyeonggi 17104, Korea
| | - Insung S. Choi
- Center
for Cell-Encapsulation Research, Department of Chemistry, KAIST, Daejeon 34141, Korea
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17
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Ovryn B, Li J, Hong S, Wu P. Visualizing glycans on single cells and tissues-Visualizing glycans on single cells and tissues. Curr Opin Chem Biol 2017; 39:39-45. [PMID: 28578260 PMCID: PMC5791903 DOI: 10.1016/j.cbpa.2017.04.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 04/16/2017] [Accepted: 04/25/2017] [Indexed: 10/19/2022]
Abstract
Metabolic oligosaccharide engineering and chemoenzymatic glycan labeling have provided powerful tools to study glycans in living systems and tissue samples. In this review article, we summarize recent advances in this field with a focus on innovative approaches for glycan imaging. The presented applications demonstrate that several of the leading imaging methods, which have revolutionized quantitative cell biology, can be adapted to imaging glycans on single cells and tissues.
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Affiliation(s)
- Ben Ovryn
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, United States.
| | - Jie Li
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, United States
| | - Senlian Hong
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, United States
| | - Peng Wu
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N Torrey Pines Rd, La Jolla, CA 92037, United States.
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18
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Giovenzana GB, Lattuada L, Negri R. Recent Advances in Bifunctional Paramagnetic Chelates for MRI. Isr J Chem 2017. [DOI: 10.1002/ijch.201700028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Giovanni B. Giovenzana
- Dipartimento di Scienze del Farmaco; Università del Piemonte Orientale “A. Avogadro”; L.go Donegani 2/3 I-28100 Novara Italy
| | - Luciano Lattuada
- Bracco Imaging SpA, Bracco Research Centre; Via Ribes 5 I-10010 Colleretto Giacosa TO, Italy
| | - Roberto Negri
- Dipartimento di Scienze del Farmaco; Università del Piemonte Orientale “A. Avogadro”; L.go Donegani 2/3 I-28100 Novara Italy
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19
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Han SS, Lee DE, Shim HE, Lee S, Jung T, Oh JH, Lee HA, Moon SH, Jeon J, Yoon S, Kim K, Kang SW. Physiological Effects of Ac4ManNAz and Optimization of Metabolic Labeling for Cell Tracking. Theranostics 2017; 7:1164-1176. [PMID: 28435456 PMCID: PMC5399584 DOI: 10.7150/thno.17711] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 12/08/2016] [Indexed: 12/12/2022] Open
Abstract
Metabolic labeling techniques are powerful tools for cell labeling, tracking and proteomic analysis. However, at present, the effects of the metabolic labeling agents on cell metabolism and physiology are not known. To address this question, in this study, we analyzed the effects of cells treated with Ac4ManNAz through microarray analysis and analyses of membrane channel activity, individual bio-physiological properties, and glycolytic flux. According to the results, treatment with 50 μM Ac4ManNAz led to the reduction of major cellular functions, including energy generation capacity, cellular infiltration ability and channel activity. Interestingly, 10 μM Ac4ManNAz showed the least effect on cellular systems and had a sufficient labeling efficiency for cell labeling, tracking and proteomic analysis. Based on our results, we suggest 10 μM as the optimum concentration of Ac4ManNAz for in vivo cell labeling and tracking. Additionally, we expect that our approach could be used for cell-based therapy for monitoring the efficacy of molecule delivery and the fate of recipient cells.
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20
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Timm KN, Kennedy BWC, Brindle KM. Imaging Tumor Metabolism to Assess Disease Progression and Treatment Response. Clin Cancer Res 2016; 22:5196-5203. [PMID: 27609841 PMCID: PMC5321522 DOI: 10.1158/1078-0432.ccr-16-0159] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/09/2016] [Indexed: 12/26/2022]
Abstract
Changes in tumor metabolism may accompany disease progression and can occur following treatment, often before there are changes in tumor size. We focus here on imaging methods that can be used to image various aspects of tumor metabolism, with an emphasis on methods that can be used for tumor grading, assessing disease progression, and monitoring treatment response. Clin Cancer Res; 22(21); 5196-203. ©2016 AACR.
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Affiliation(s)
- Kerstin N Timm
- Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Brett W C Kennedy
- Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Kevin M Brindle
- Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom.
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
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21
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Zhu Y, Wu J, Chen X. Metabolic Labeling and Imaging of N‐Linked Glycans in
Arabidopsis Thaliana. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603032] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Yuntao Zhu
- College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
| | - Jie Wu
- Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
| | - Xing Chen
- College of Chemistry and Molecular EngineeringPeking University Beijing 100871 China
- Peking-Tsinghua Center for Life SciencesPeking University Beijing 100871 China
- Synthetic and Functional Biomolecules Center, and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of EducationPeking University Beijing 100871 China
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22
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Zhu Y, Wu J, Chen X. Metabolic Labeling and Imaging of N-Linked Glycans in Arabidopsis Thaliana. Angew Chem Int Ed Engl 2016; 55:9301-5. [PMID: 27346875 DOI: 10.1002/anie.201603032] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/20/2016] [Indexed: 11/06/2022]
Abstract
Molecular imaging of glycans has been actively pursued in animal systems for the past decades. However, visualization of plant glycans remains underdeveloped, despite that glycosylation is essential for the life cycle of plants. Metabolic glycan labeling in Arabidopsis thaliana by using N-azidoacetylglucosamine (GlcNAz) as the chemical reporter is reported. GlcNAz is metabolized through the salvage pathway of N-acetylglucosamine (GlcNAc) and incorporated into N-linked glycans, and possibly intracellular O-GlcNAc. Click-labeling with fluorescent probes enables visualization of newly synthesized N-linked glycans. N-glycosylation in the root tissue was discovered to possess distinct distribution patterns in different developmental zones, suggesting that N-glycosylation is regulated in a developmental stage-dependent manner. This work shows the utility of metabolic glycan labeling in elucidating the function of N-linked glycosylation in plants.
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Affiliation(s)
- Yuntao Zhu
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
| | - Jie Wu
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China
| | - Xing Chen
- College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China. .,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, 100871, China. .,Synthetic and Functional Biomolecules Center, and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Peking University, Beijing, 100871, China.
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23
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Neves AA, Wainman YA, Wright A, Kettunen MI, Rodrigues TB, McGuire S, Hu DE, Bulat F, Geninatti Crich S, Stöckmann H, Leeper FJ, Brindle KM. Imaging Glycosylation In Vivo by Metabolic Labeling and Magnetic Resonance Imaging. Angew Chem Int Ed Engl 2015; 55:1286-90. [PMID: 26633082 PMCID: PMC4737346 DOI: 10.1002/anie.201509858] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Indexed: 11/23/2022]
Abstract
Glycosylation is a ubiquitous post‐translational modification, present in over 50 % of the proteins in the human genome,1 with important roles in cell–cell communication and migration. Interest in glycome profiling has increased with the realization that glycans can be used as biomarkers of many diseases,2 including cancer.3 We report here the first tomographic imaging of glycosylated tissues in live mice by using metabolic labeling and a gadolinium‐based bioorthogonal MRI probe. Significant N‐azidoacetylgalactosamine dependent T1 contrast was observed in vivo two hours after probe administration. Tumor, kidney, and liver showed significant contrast, and several other tissues, including the pancreas, spleen, heart, and intestines, showed a very high contrast (>10‐fold). This approach has the potential to enable the rapid and non‐invasive magnetic resonance imaging of glycosylated tissues in vivo in preclinical models of disease.
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Affiliation(s)
- André A Neves
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK.
| | - Yéléna A Wainman
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK.,Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Alan Wright
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK
| | - Mikko I Kettunen
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK.,A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Neulaniementie 2, 70211, Kuopio, Finland
| | - Tiago B Rodrigues
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK
| | - Sarah McGuire
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK
| | - De-En Hu
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK
| | - Flaviu Bulat
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Simonetta Geninatti Crich
- Department of Molecular Biotechnology and Health Science, Molecular Imaging Center, Via Nizza 52, 10126, Turin, Italy
| | - Henning Stöckmann
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Finian J Leeper
- Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Kevin M Brindle
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, CB2 0RE, UK
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