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Wang Z, Lau JW, Liu S, Ren Z, Gong Z, Liu X, Xing B. A Nitroreductase-Activatable Metabolic Reporter for Covalent Labeling of Pathological Hypoxic Cells in Tumorigenesis. Angew Chem Int Ed Engl 2024; 63:e202411636. [PMID: 39152515 DOI: 10.1002/anie.202411636] [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: 06/20/2024] [Revised: 08/14/2024] [Accepted: 08/16/2024] [Indexed: 08/19/2024]
Abstract
Aberrant hypoxic stress will initiate a cascade of pathological consequence observed prominently in tumorigenesis. Understanding of hypoxia's role in tumorigenesis is highly essential for developing effective therapeutics, which necessitates reliable tools to specifically distinguish hypoxic tumor cells (or tissues) and correlate their dynamics with the status of disease in complex living settings for precise theranostics. So far, disparate hypoxia-responsive probe molecules and prodrugs were designed via chemical or enzymatic reactions, yet their capability in real-time reporting pathogenesis development is often compromised due to unrestricted diffusion and less selectivity towards the environmental responsiveness. Herein we present an oxygen-insensitive nitroreductase (NTR)-activatable glycan metabolic reporter (pNB-ManNAz) capable of covalently labeling hypoxic tumor cells and tissues. Under pathophysiological hypoxic environments, the caged non-metabolizable precursor pNB-ManNAz exhibited unique responsiveness to cellular NTR, culminating in structural self-immolation and the resultant ManNAz could incorporate onto cell surface glycoproteins, thereby facilitating fluorescence labeling via bioorthogonal chemistry. This NTR-responsive metabolic reporter demonstrated broad applicability for multicellular hypoxia labeling, particularly in the dynamic monitoring of orthotopic tumorigenesis and targeted tumor phototherapy in vivo. We anticipate that this approach holds promise for investigating hypoxia-related pathological progression, offering valuable insights for accurate diagnosis and treatment.
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Affiliation(s)
- Zhimin Wang
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Jun Wei Lau
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore
| | - Songhan Liu
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, 637371, Singapore
| | - Ziheng Ren
- Department of Biological Sciences, National University of Singapore, Singapore, 119077, Singapore
| | - Zhiyuan Gong
- Department of Biological Sciences, National University of Singapore, Singapore, 119077, Singapore
| | - Xiaogang Liu
- Department of Chemistry, National University of Singapore, Singapore, 117543, Singapore
| | - Bengang Xing
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore, 637371, Singapore
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Xu W, Jia A, Lei Z, Wang J, Jiang H, Wang S, Wang Q. Stimuli-responsive prodrugs with self-immolative linker for improved cancer therapy. Eur J Med Chem 2024; 279:116928. [PMID: 39362023 DOI: 10.1016/j.ejmech.2024.116928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2024] [Revised: 09/19/2024] [Accepted: 09/29/2024] [Indexed: 10/05/2024]
Abstract
Self-immolative prodrugs have gained significant attention as an innovative approach for targeted cancer therapy. These prodrugs are engineered to release the active anticancer agents in response to specific triggers within the tumor microenvironment, thereby improving therapeutic precision while reducing systemic toxicity. This review focuses on the molecular architecture and design principles of self-immolative prodrugs, emphasizing the role of stimuli-responsive linkers and activation mechanisms that enable controlled drug release. Recent advancements in this field include the development of prodrugs that incorporate targeting moieties for enhanced site-specificity. Moreover, the review discusses the incorporation of targeting moieties to achieve site-specific drug delivery, thereby improving the selectivity of treatment. By summarizing key research from the past five years, this review highlights the potential of self-immolative prodrugs to revolutionize cancer treatment strategies and pave the way for their integration into clinical practice.
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Affiliation(s)
- Wenting Xu
- Department of Pediatric Intensive Care Medicine, Hainan Women and Children's Medical Center, Haikou, China
| | - Ang Jia
- The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, 121000, China
| | - Zhixian Lei
- Department of Pediatric Intensive Care Medicine, Hainan Women and Children's Medical Center, Haikou, China
| | - Jianing Wang
- School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China
| | - Hongfei Jiang
- School of Pharmacy, Qingdao University, Qingdao, 266071, China.
| | - Shuai Wang
- Department of Radiotherapy, School of Medical Imaging, Affiliated Hospital of Shandong Second Medical University, Shandong Second Medical University, Weifang, Shandong, China.
| | - Qi Wang
- Department of Pediatric Intensive Care Medicine, Hainan Women and Children's Medical Center, Haikou, China.
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3
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Fu Y, Zhang X, Wu L, Wu M, James TD, Zhang R. Bioorthogonally activated probes for precise fluorescence imaging. Chem Soc Rev 2024. [PMID: 39555968 DOI: 10.1039/d3cs00883e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2024]
Abstract
Over the past two decades, bioorthogonal chemistry has undergone a remarkable development, challenging traditional assumptions in biology and medicine. Recent advancements in the design of probes tailored for bioorthogonal applications have met the increasing demand for precise imaging, facilitating the exploration of complex biological systems. These state-of-the-art probes enable highly sensitive, low background, in situ imaging of biological species and events within live organisms, achieving resolutions comparable to the size of the biomolecule under investigation. This review provides a comprehensive examination of various categories of bioorthogonally activated in situ fluorescent labels. It highlights the intricate design and benefits of bioorthogonal chemistry for precise in situ imaging, while also discussing future prospects in this rapidly evolving field.
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Affiliation(s)
- Youxin Fu
- College of Science, Nanjing Forestry University, Nanjing, 210037, P. R. China
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia.
| | - Xing Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia.
- College of Ecology and Environment, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Luling Wu
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK.
| | - Miaomiao Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia.
| | - Tony D James
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Queensland 4072, Australia.
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Kao WS, Huang W, Zhang Y, Wen K, Meyer A, Escorihuela J, Laughlin ST. Redox-Activated Substrates for Enhancing Activatable Cyclopropene Bioorthogonal Reactions. Chembiochem 2024; 25:e202400304. [PMID: 39183177 DOI: 10.1002/cbic.202400304] [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: 04/02/2024] [Revised: 08/08/2024] [Accepted: 08/19/2024] [Indexed: 08/27/2024]
Abstract
Bioorthogonal chemistry has become a mainstay in chemical biology and is making inroads in the clinic with recent advances in protein targeting and drug release. Since the field's beginning, a major focus has been on designing bioorthogonal reagents with good selectivity, reactivity, and stability in complex biological environments. More recently, chemists have imbued reagents with new functionalities like click-and-release or light/enzyme-controllable reactivity. We have previously developed a controllable cyclopropene-based bioorthogonal ligation, which has excellent stability in physiological conditions and can be triggered to react with tetrazines by exposure to enzymes, biologically significant small molecules, or light spanning the visual spectrum. Here, to improve reactivity and gain a better understanding of this system, we screened diene reaction partners for the cyclopropene. We found that a cyclopropene-quinone pair is 26 times faster than reactions with 1,2,4,5-tetrazines. Additionally, we showed that the reaction of the cyclopropene-quinone pair can be activated by two orthogonal mechanisms: caging group removal on the cyclopropene and oxidation/reduction of the quinone. Finally, we demonstrated that this caged cyclopropene-quinone can be used as an imaging tool to label the membranes of fixed, cultured cells.
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Affiliation(s)
- Wei-Siang Kao
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
| | - Wei Huang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
| | - Yunlei Zhang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
| | - Kangqiao Wen
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
| | - Andrea Meyer
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universitat de València, Avda. Vicente Andrés Estellés s/n, Burjassot, Valencia, 46100, Spain
| | - Scott T Laughlin
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY-11794, USA
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Gomez-Gonzalez A, Burkhardt P, Bauer M, Suomalainen M, Mateos JM, Loehr MO, Luedtke NW, Greber UF. Stepwise virus assembly in the cell nucleus revealed by spatiotemporal click chemistry of DNA replication. SCIENCE ADVANCES 2024; 10:eadq7483. [PMID: 39454009 PMCID: PMC11506174 DOI: 10.1126/sciadv.adq7483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 09/23/2024] [Indexed: 10/27/2024]
Abstract
Biomolecular assemblies are fundamental to life and viral disease. The spatiotemporal coordination of viral replication and assembly is largely unknown. Here, we developed a dual-color click chemistry procedure for imaging adenovirus DNA (vDNA) replication in the cell nucleus. Late- but not early-replicated vDNA was packaged into virions. Early-replicated vDNA segregated from the viral replication compartment (VRC). Single object tracking, superresolution microscopy, fluorescence recovery after photobleaching, and correlative light-electron microscopy revealed a stepwise assembly program involving vDNA and capsid intermediates. Depending on replication and the scaffolding protein 52K, late-replicated vDNA with rapidly exchanging green fluorescent protein-tagged capsid linchpin protein V and incomplete virions emerged from the VRC periphery. These nanogel-like puncta exhibited restricted movements and were located with the capsid proteins hexon, VI, and virions in the nuclear periphery, suggestive of sites for virion formation. Our findings identify VRC dynamics and assembly intermediates, essential for stepwise productive adenovirus morphogenesis.
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Affiliation(s)
| | - Patricia Burkhardt
- Department of Molecular Life Sciences, University of Zurich (UZH), Zurich, Switzerland
| | - Michael Bauer
- Department of Molecular Life Sciences, University of Zurich (UZH), Zurich, Switzerland
| | - Maarit Suomalainen
- Department of Molecular Life Sciences, University of Zurich (UZH), Zurich, Switzerland
| | - José María Mateos
- Center for Microscopy and Image Analyses, University of Zurich (UZH), Zurich, Switzerland
| | - Morten O. Loehr
- Department of Chemistry, McGill University, Montréal, QC, Canada
| | | | - Urs F. Greber
- Department of Molecular Life Sciences, University of Zurich (UZH), Zurich, Switzerland
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Huang W, Gunawardhana N, Zhang Y, Escorihuela J, Laughlin ST. Pyranthiones/Pyrones: "Click and Release" Donors for Subcellular Hydrogen Sulfide Delivery and Labeling. Chemistry 2024; 30:e202303465. [PMID: 37985373 DOI: 10.1002/chem.202303465] [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: 10/20/2023] [Revised: 11/15/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
Hydrogen sulfide (H2 S), one of the most important gasotransmitters, plays a critical role in endogenous signaling pathways of many diseases. However, developing H2 S donors with both tunable release kinetics and high release efficiency for subcellular delivery has been challenging. Here, we describe a click and release reaction between pyrone/pyranthiones and bicyclononyne (BCN). This reaction features a release of CO2 /COS with second-order rate constants comparable to Strain-Promoted Azide-Alkyne Cycloaddition reactions (SPAACs). Interestingly, pyranthiones showed enhanced reaction rates compared to their pyrone counterparts. We investigated pyrone biorthogonality and demonstrated their utility in protein labeling applications. Moreover, we synthesized substituted pyranthiones with H2 S release kinetics that can address the range of physiologically relevant H2 S dynamics in cells and achieved quantitative H2 S release efficiency in vitro. Finally, we explored the potential of pyranthiones as H2 S/COS donors for mitochondrial-targeted H2 S delivery in living cells.
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Affiliation(s)
- Wei Huang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Nipuni Gunawardhana
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Yunlei Zhang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universitat de València, Avda. Vicente Andrés Estellés s/n, Burjassot, 46100, Valencia, Spain
| | - Scott T Laughlin
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
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