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Kamikawa T, Hashimoto A, Yamazaki N, Adachi J, Matsushima A, Kikuchi K, Hori Y. Bioisostere-conjugated fluorescent probes for live-cell protein imaging without non-specific organelle accumulation. Chem Sci 2024; 15:8097-8105. [PMID: 38817570 PMCID: PMC11134342 DOI: 10.1039/d3sc06957e] [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: 12/27/2023] [Accepted: 04/26/2024] [Indexed: 06/01/2024] Open
Abstract
Specific labeling of proteins using membrane-permeable fluorescent probes is a powerful technique for bioimaging. Cationic fluorescent dyes with high fluorescence quantum yield, photostability, and water solubility provide highly useful scaffolds for protein-labeling probes. However, cationic probes generally show undesired accumulation in organelles, which causes a false-positive signal in localization analysis. Herein, we report a design strategy for probes that suppress undesired organelle accumulation using a bioisostere for intracellular protein imaging in living cells. Our design allows the protein labeling probes to possess both membrane permeability and suppress non-specific accumulation and has been shown to use several protein labeling systems, such as PYP-tag and Halo tag systems. We further developed a fluorogenic PYP-tag labeling probe for intracellular proteins and used it to visualize multiple localizations of target proteins in the intracellular system. Our strategy offers a versatile design for undesired accumulation-suppressed probes with cationic dye scaffolds and provides a valuable tool for intracellular protein imaging.
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Affiliation(s)
- Takuya Kamikawa
- Graduate School of Science, Kyushu University 744 Motooka Nishi Fukuoka 819-0395 Japan
| | - Akari Hashimoto
- Graduate School of Engineering, Osaka University Suita Osaka 565-0871 Japan
| | - Nozomi Yamazaki
- Graduate School of Engineering, Osaka University Suita Osaka 565-0871 Japan
| | - Junya Adachi
- Faculty of Science, Kyushu University, Fukuoka Fukuoka 819-0395 Japan
| | - Ayami Matsushima
- Faculty of Science, Kyushu University, Fukuoka Fukuoka 819-0395 Japan
| | - Kazuya Kikuchi
- Graduate School of Engineering, Osaka University Suita Osaka 565-0871 Japan
- Immunology Frontier Research Center, Osaka University Suita Osaka 565-0871 Japan
| | - Yuichiro Hori
- Faculty of Science, Kyushu University, Fukuoka Fukuoka 819-0395 Japan
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2
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Jiang G, Liu H, Liu H, Ke G, Ren TB, Xiong B, Zhang XB, Yuan L. Chemical Approaches to Optimize the Properties of Organic Fluorophores for Imaging and Sensing. Angew Chem Int Ed Engl 2024; 63:e202315217. [PMID: 38081782 DOI: 10.1002/anie.202315217] [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: 10/09/2023] [Indexed: 12/30/2023]
Abstract
Organic fluorophores are indispensable tools in cells, tissue and in vivo imaging, and have enabled much progress in the wide range of biological and biomedical fields. However, many available dyes suffer from insufficient performances, such as short absorption and emission wavelength, low brightness, poor stability, small Stokes shift, and unsuitable permeability, restricting their application in advanced imaging technology and complex imaging. Over the past two decades, many efforts have been made to improve these performances of fluorophores. Starting with the luminescence principle of fluorophores, this review clarifies the mechanisms of the insufficient performance for traditional fluorophores to a certain extent, systematically summarizes the modified approaches of optimizing properties, highlights the typical applications of the improved fluorophores in imaging and sensing, and indicates existing problems and challenges in this area. This progress not only proves the significance of improving fluorophores properties, but also provide a theoretical guidance for the development of high-performance fluorophores.
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Affiliation(s)
- Gangwei Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Han Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Hong Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Guoliang Ke
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Tian-Bing Ren
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Bin Xiong
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Xiao-Bing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, 410082, Changsha, P. R. China
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3
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Usama SM, Marker SC, Li DH, Caldwell DR, Stroet M, Patel NL, Tebo AG, Hernot S, Kalen JD, Schnermann M. Method To Diversify Cyanine Chromophore Functionality Enables Improved Biomolecule Tracking and Intracellular Imaging. J Am Chem Soc 2023. [PMID: 37367935 DOI: 10.1021/jacs.3c01765] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Heptamethine indocyanines are invaluable probes for near-infrared (NIR) imaging. Despite broad use, there are only a few synthetic methods to assemble these molecules, and each has significant limitations. Here, we report the use of pyridinium benzoxazole (PyBox) salts as heptamethine indocyanine precursors. This method is high yielding, simple to implement, and provides access to previously unknown chromophore functionality. We applied this method to create molecules to address two outstanding objectives in NIR fluorescence imaging. First, we used an iterative approach to develop molecules for protein-targeted tumor imaging. When compared to common NIR fluorophores, the optimized probe increases the tumor specificity of monoclonal antibody (mAb) and nanobody conjugates. Second, we developed cyclizing heptamethine indocyanines with the goal of improving cellular uptake and fluorogenic properties. By modifying both the electrophilic and nucleophilic components, we demonstrate that the solvent sensitivity of the ring-open/ring-closed equilibrium can be modified over a wide range. We then show that a chloroalkane derivative of a compound with tuned cyclization properties undergoes particularly efficient no-wash live cell imaging using organelle-targeted HaloTag self-labeling proteins. Overall, the chemistry reported here broadens the scope of accessible chromophore functionality, and, in turn, enables the discovery of NIR probes with promising properties for advanced imaging applications.
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Affiliation(s)
- Syed Muhammad Usama
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Sierra C Marker
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Dong-Hao Li
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Donald R Caldwell
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Marcus Stroet
- Laboratory for in Vivo Cellular and Molecular Imaging, ICMI-BEFY/MIMA, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Nimit L Patel
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Alison G Tebo
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia 20147, United States
| | - Sophie Hernot
- Laboratory for in Vivo Cellular and Molecular Imaging, ICMI-BEFY/MIMA, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Joseph D Kalen
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Martin Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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4
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Wang LG, Montaño AR, Combs JR, McMahon NP, Solanki A, Gomes MM, Tao K, Bisson WH, Szafran DA, Samkoe KS, Tichauer KM, Gibbs SL. OregonFluor enables quantitative intracellular paired agent imaging to assess drug target availability in live cells and tissues. Nat Chem 2023; 15:729-739. [PMID: 36997700 DOI: 10.1038/s41557-023-01173-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/27/2023] [Indexed: 04/30/2023]
Abstract
Non-destructive fluorophore diffusion across cell membranes to provide an unbiased fluorescence intensity readout is critical for quantitative imaging applications in live cells and tissues. Commercially available small-molecule fluorophores have been engineered for biological compatibility, imparting high water solubility by modifying rhodamine and cyanine dye scaffolds with multiple sulfonate groups. The resulting net negative charge, however, often renders these fluorophores cell-membrane-impermeant. Here we report the design and development of our biologically compatible, water-soluble and cell-membrane-permeable fluorophores, termed OregonFluor (ORFluor). By adapting previously established ratiometric imaging methodology using bio-affinity agents, it is now possible to use small-molecule ORFluor-labelled therapeutic inhibitors to quantitatively visualize their intracellular distribution and protein target-specific binding, providing a chemical toolkit for quantifying drug target availability in live cells and tissues.
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Affiliation(s)
- Lei G Wang
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Antonio R Montaño
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Jason R Combs
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Nathan P McMahon
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Allison Solanki
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Michelle M Gomes
- Cancer Early Detection Advanced Research Center (CEDAR), Oregon Health & Science University, Portland, OR, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Kai Tao
- Cancer Early Detection Advanced Research Center (CEDAR), Oregon Health & Science University, Portland, OR, USA
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - William H Bisson
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Dani A Szafran
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA
| | - Kimberley S Samkoe
- Thayer School of Engineering, Dartmouth College, Hanover, NH, USA
- Department of Surgery, Dartmouth Health, Lebanon, NH, USA
| | - Kenneth M Tichauer
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, USA
| | - Summer L Gibbs
- Biomedical Engineering Department, Oregon Health & Science University, Portland, OR, USA.
- Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA.
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5
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Alachouzos G, Schulte AM, Mondal A, Szymanski W, Feringa BL. Computational Design, Synthesis, and Photochemistry of Cy7-PPG, an Efficient NIR-Activated Photolabile Protecting Group for Therapeutic Applications. Angew Chem Int Ed Engl 2022; 61:e202201308. [PMID: 35181979 PMCID: PMC9311213 DOI: 10.1002/anie.202201308] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Indexed: 12/14/2022]
Abstract
Photolabile Protecting Groups (PPGs) are molecular tools used, for example, in photopharmacology for the activation of drugs with light, enabling spatiotemporal control over their potency. Yet, red-shifting of PPG activation wavelengths into the NIR range, which penetrates the deepest in tissue, has often yielded inefficient or insoluble molecules, hindering the use of PPGs in the clinic. To solve this problem, we report herein a novel concept in PPG design, by transforming clinically-applied NIR-dyes with suitable molecular orbital configurations into new NIR-PPGs using computational approaches. Using this method, we demonstrate how Cy7, a class of NIR dyes possessing ideal properties (NIR-absorption, high molecular absorptivity, excellent aqueous solubility) can be successfully converted into Cy7-PPG. We report a facile synthesis towards Cy7-PPG from accessible precursors and confirm its excellent properties as the most redshifted oxygen-independent NIR-PPG to date (λmax =746 nm).
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Affiliation(s)
- Georgios Alachouzos
- Centre for Systems Chemistry, Stratingh Institute for ChemistryFaculty for Science and EngineeringUniversity of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Albert M. Schulte
- Centre for Systems Chemistry, Stratingh Institute for ChemistryFaculty for Science and EngineeringUniversity of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Anirban Mondal
- Centre for Systems Chemistry, Stratingh Institute for ChemistryFaculty for Science and EngineeringUniversity of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Wiktor Szymanski
- Department of RadiologyMedical Imaging CenterUniversity Medical Center GroningenUniversity of GroningenHanzeplein 19713 GZGroningenThe Netherlands
| | - Ben L. Feringa
- Centre for Systems Chemistry, Stratingh Institute for ChemistryFaculty for Science and EngineeringUniversity of GroningenNijenborgh 49747 AGGroningenThe Netherlands
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6
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Alachouzos G, Schulte AM, Mondal A, Szymanski W, Feringa BL. Computational Design, Synthesis, and Photochemistry of Cy7PPG, an Efficient NIR‐Activated Photolabile Protecting Group for Therapeutic Applications. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201308] [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)
- Georgios Alachouzos
- Groningen University Faculty of Mathematics and Natural Sciences: Rijksuniversiteit Groningen Faculty of Science and Engineering Stratingh Institute for Chemistry NETHERLANDS
| | - Albert M. Schulte
- Groningen University Faculty of Mathematics and Natural Sciences: Rijksuniversiteit Groningen Faculty of Science and Engineering Stratingh Institute for Chemistry NETHERLANDS
| | - Anirban Mondal
- Groningen University Faculty of Mathematics and Natural Sciences: Rijksuniversiteit Groningen Faculty of Science and Engineering Stratingh Institute for Chemistry NETHERLANDS
| | - Wiktor Szymanski
- University Medical Centre Groningen: Universitair Medisch Centrum Groningen Department of Radiology NETHERLANDS
| | - Ben L Feringa
- University of Groningen Stratingh Institute for Chemistry, Faculty of Science and Engineering Nijenborgh 4 9747 AG Groningen NETHERLANDS
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7
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Li J, Zhang W, Ji W, Wang J, Wang N, Wu W, Wu Q, Hou X, Hu W, Li L. Near infrared photothermal conversion materials: mechanism, preparation, and photothermal cancer therapy applications. J Mater Chem B 2021; 9:7909-7926. [PMID: 34611678 DOI: 10.1039/d1tb01310f] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photothermal therapy (PTT) has been widely applied in cancer therapy as a result of its non-invasive, localized treatment and good therapeutic effect. In general, the final therapeutic effect of PTT mainly depends on the photothermal materials, which can be further considered to be determined by the photothermal conversion efficiency, biocompatibility, and photothermal stability of photothermal materials. In this review, photothermal materials including inorganic materials, organic materials, and organic-inorganic composite materials in recent years have been summarized in terms of the mechanism, preparation, and cancer therapy applications. In the end, the perspectives and obstacles in their further development are overviewed.
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Affiliation(s)
- Jie Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Wei Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Wenhui Ji
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Jiqing Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Nanxiang Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Wanxia Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Qiong Wu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
| | - Xiyan Hou
- Key Laboratory of Biotechnology and Bioresources Utilization of Ministry of Education, College of Life Science, Dalian Minzu University (DLMU), Dalian 116600, P. R. China
| | - Wenbo Hu
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, P. R. China
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing 210009, P. R. China.
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8
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Stewart HL, Birch DJS. Fluorescence Guided Surgery. Methods Appl Fluoresc 2021; 9. [PMID: 34399409 DOI: 10.1088/2050-6120/ac1dbb] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 08/16/2021] [Indexed: 01/22/2023]
Abstract
Fluorescence guided surgery (FGS) is an imaging technique that allows the surgeon to visualise different structures and types of tissue during a surgical procedure that may not be as visible under white light conditions. Due to the many potential advantages of fluorescence guided surgery compared to more traditional clinical imaging techniques such as its higher contrast and sensitivity, less subjective use, and ease of instrument operation, the research interest in fluorescence guided surgery continues to grow over various key aspects such as fluorescent probe development and surgical system development as well as its potential clinical applications. This review looks to summarise some of the emerging opportunities and developments that have already been made in fluorescence guided surgery in recent years while highlighting its advantages as well as limitations that need to be overcome in order to utilise the full potential of fluorescence within the surgical environment.
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Affiliation(s)
- Hazel L Stewart
- Translational Healthcare Technologies Group, Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh BioQuarter, 47 Little France Crescent, Edinburgh, EH16 4TJ, United Kingdom
| | - David J S Birch
- Department of Physics, The Photophysics Research Group, University of Strathclyde, SUPA, John Anderson Building, 107 Rottenrow East, Glasgow G4 0NG, United Kingdom
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9
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Vinoth S, Shalini Devi K, Pandikumar A. A comprehensive review on graphitic carbon nitride based electrochemical and biosensors for environmental and healthcare applications. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116274] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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10
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Yang C, Wang H, Yokomizo S, Hickey M, Chang H, Kang H, Fukuda T, Song MY, Lee SY, Park JW, Bao K, Choi HS. ZW800‐PEG: A Renal Clearable Zwitterionic Near‐Infrared Fluorophore for Potential Clinical Translation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102640] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Chengeng Yang
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | - Haoran Wang
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
- Wuya College of Innovation Shenyang Pharmaceutical University Shenyang 110016 P. R. China
| | - Shinya Yokomizo
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | - Morgan Hickey
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | - Hyejin Chang
- Division of Science Education Kangwon National University Chuncheon 24341 S. Korea
| | - Homan Kang
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | - Takeshi Fukuda
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | | | | | | | - Kai Bao
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
| | - Hak Soo Choi
- Gordon Center for Medical Imaging Department of Radiology Massachusetts General Hospital and Harvard Medical School Boston MA 02129 USA
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11
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Yang C, Wang H, Yokomizo S, Hickey M, Chang H, Kang H, Fukuda T, Song MY, Lee SY, Park JW, Bao K, Choi HS. ZW800-PEG: A Renal Clearable Zwitterionic Near-Infrared Fluorophore for Potential Clinical Translation. Angew Chem Int Ed Engl 2021; 60:13847-13852. [PMID: 33857346 DOI: 10.1002/anie.202102640] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 03/30/2021] [Indexed: 12/18/2022]
Abstract
Near-infrared (NIR) fluorescence imaging has advanced medical imaging and image-guided interventions during the past three decades. Despite tremendous advances in imaging devices, surprisingly only a few dyes are currently available in the clinic. Previous fluorophores, ZW800-1A and ZW800-1C, significantly improved the poor performance of the FDA-approved indocyanine green. However, ZW800-1A is not stable in serum and ZW800-1C induces severe stacking in aqueous media. To solve such dilemmas, ZW800-PEG was designed by introducing a flexible yet stable thiol PEG linker. ZW800-PEG shows high solubility in both aqueous and organic solvents, thus improving renal clearance with minimal binding to serum proteins during systemic circulation. The sulfide group on the meso position of the heptamethine core improves serum stability and physicochemical properties including the maximum emission wavelength shift to 800 nm, enabling the use of ZW800-PEG for image-guided interventions and augmenting photothermal therapy.
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Affiliation(s)
- Chengeng Yang
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Haoran Wang
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA.,Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
| | - Shinya Yokomizo
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Morgan Hickey
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Hyejin Chang
- Division of Science Education, Kangwon National University, Chuncheon, 24341, S. Korea
| | - Homan Kang
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Takeshi Fukuda
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | | | | | | | - Kai Bao
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
| | - Hak Soo Choi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02129, USA
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12
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Park YD, Park JE, Kim HS, Choi SH, Park JE, Jeon J, Park SH. Development of a Squaraine-Based Molecular Probe for Dual-Modal in Vivo Fluorescence and Photoacoustic Imaging. Bioconjug Chem 2020; 31:2607-2617. [PMID: 33108158 DOI: 10.1021/acs.bioconjchem.0c00533] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Dual-modular imaging approaches combining near-infrared (NIR) fluorescence (FLI) and photoacoustic imaging (PAI) require suitable contrast agents to produce dual-modular signals. Although nanoparticles have been used to develop PAI agents, small molecule-based imaging agents have not been extensively studied, highlighting the need to design new fluorophores with an enhanced multifunctional ability. Thus, in this study, we designed a novel squaraine (SQ)-based dye and reported its rational preparation and conjugation with a cancer targeting peptide. Specifically, benzoindole-derived SQ (BSQ) showed strong absorption and fluorescence properties at above 650 nm under aqueous conditions, with a maximum absorption and emission at 665 and 680 nm, respectively. Moreover, PA signal scanning experiments revealed a maximum signal intensity in the range 680-700 nm. BSQ was also conjugated with cyclic arginine-glycine-aspartic acid (cRGD) to improve its active targeting ability for the αvβ3 integrin, which is overexpressed in various cancer and angiogenic cells. A series of in vitro, in vivo, and ex vivo FLI studies showed that the cRGD conjugated BSQ (BSQ-RGD2) successfully stained and targeted αvβ3 integrin-overexpressing tumor cells and xenografts, which were clearly visualized by FLI and PAI. Therefore, BSQ-RGD2 can successfully be applied to dual-modular imaging of the specific biomarker in living animals.
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Affiliation(s)
- Yong Dae Park
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup 56212, Republic of Korea
| | - Jam-Eon Park
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea
| | - Hyeon Sik Kim
- Medical Photonics Research Center, Korea Photonics Technology Institute, Gwang-ju 61007, Republic of Korea
| | - Seung-Hyeon Choi
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea
| | - Jung Eun Park
- Department of Applied Chemistry, School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jongho Jeon
- Department of Applied Chemistry, School of Applied Chemical Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Seung-Hwan Park
- Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea
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13
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Li Y, Zhou Y, Yue X, Dai Z. Cyanine Conjugate-Based Biomedical Imaging Probes. Adv Healthc Mater 2020; 9:e2001327. [PMID: 33000915 DOI: 10.1002/adhm.202001327] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/11/2020] [Indexed: 12/12/2022]
Abstract
Cyanine is a class of fluorescent dye with meritorious fluorescence properties and has motivated numerous researchers to explore its imaging capabilities by miscellaneous structural modification and functionalization strategies. The covalent conjugation with other functional molecules represents a distinctive design strategy and has shown immense potential in both basic and clinical research. This review article summarizes recent achievements in cyanine conjugate-based probes for biomedical imaging. Particular attention is paid to the conjugation with targeting warheads and other contrast agents for targeted fluorescence imaging and multimodal imaging, respectively. Additionally, their clinical potential in cancer diagnostics is highlighted and some concurrent impediments for clinical translation are discussed.
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Affiliation(s)
- Yang Li
- Department of Biomedical Engineering College of Engineering Peking University Beijing 100871 China
| | - Yiming Zhou
- Department of Biomedical Engineering College of Engineering Peking University Beijing 100871 China
| | - Xiuli Yue
- School of Environment Harbin Institute of Technology Harbin 150090 China
| | - Zhifei Dai
- Department of Biomedical Engineering College of Engineering Peking University Beijing 100871 China
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14
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Li DH, Schreiber CL, Smith BD. Sterically Shielded Heptamethine Cyanine Dyes for Bioconjugation and High Performance Near-Infrared Fluorescence Imaging. Angew Chem Int Ed Engl 2020; 59:12154-12161. [PMID: 32324959 PMCID: PMC7473488 DOI: 10.1002/anie.202004449] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 01/06/2023]
Abstract
The near-infrared window of fluorescent heptamethine cyanine dyes greatly facilitates biological imaging because there is deep penetration of the light and negligible background fluorescence. However, dye instability, aggregation, and poor pharmacokinetics are current drawbacks that limit performance and the scope of possible applications. All these limitations are simultaneously overcome with a new molecular design strategy that produces a charge balanced and sterically shielded fluorochrome. The key design feature is a meso-aryl group that simultaneously projects two shielding arms directly over each face of a linear heptamethine polyene. Cell and mouse imaging experiments compared a shielded heptamethine cyanine dye (and several peptide and antibody bioconjugates) to benchmark heptamethine dyes and found that the shielded systems possess an unsurpassed combination of photophysical, physiochemical, and biodistribution properties that greatly enhance bioimaging performance.
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Affiliation(s)
- Dong-Hao Li
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Cynthia L. Schreiber
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Bradley D. Smith
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, University of Notre Dame, Notre Dame, IN 46556, USA
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15
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Isselstein M, Zhang L, Glembockyte V, Brix O, Cosa G, Tinnefeld P, Cordes T. Self-Healing Dyes-Keeping the Promise? J Phys Chem Lett 2020; 11:4462-4480. [PMID: 32401520 DOI: 10.1021/acs.jpclett.9b03833] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Self-healing dyes have emerged as a new promising class of fluorescent labels. They consist of two units, a fluorescent dye and a photostabilizer. The latter heals whenever the fluorescent dye is in danger of taking a reaction pathway toward photobleaching. We describe the underlying concepts and summarize the developmental history and state-of-the-art, including latest applications in high-resolution microscopy, live-cell, and single-molecule imaging. We further discuss remaining limitations, which are (i) lower photostabilization of most self-healing dyes when compared to solution additives, (ii) limited mechanistic understanding on the influence of the biochemical environment and molecular oxygen on self-healing, and (iii) the lack of cheap and facile bioconjugation strategies. Finally, we provide ideas on how to further advance self-healing dyes, show new data on redox blinking caused by double-stranded DNA, and highlight forthcoming work on intramolecular photostabilization of fluorescent proteins.
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Affiliation(s)
- Michael Isselstein
- Physical and Synthetic Biology, Faculty of Biology, Ludwig-Maximilians-Universität München, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
| | - Lei Zhang
- Physical and Synthetic Biology, Faculty of Biology, Ludwig-Maximilians-Universität München, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
| | - Viktorija Glembockyte
- Department of Chemistry and Center for NanoScience, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, Haus E 81377 München, Germany
- Department of Chemistry and Quebec Centre for Applied Materials (QCAM), McGill University, 801 Sherbrooke Street W., H3A 0B8 Montreal, Quebec, Canada
| | - Oliver Brix
- Physical and Synthetic Biology, Faculty of Biology, Ludwig-Maximilians-Universität München, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
| | - Gonzalo Cosa
- Department of Chemistry and Quebec Centre for Applied Materials (QCAM), McGill University, 801 Sherbrooke Street W., H3A 0B8 Montreal, Quebec, Canada
| | - Philip Tinnefeld
- Department of Chemistry and Center for NanoScience, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, Haus E 81377 München, Germany
| | - Thorben Cordes
- Physical and Synthetic Biology, Faculty of Biology, Ludwig-Maximilians-Universität München, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
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16
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Li D, Schreiber CL, Smith BD. Sterically Shielded Heptamethine Cyanine Dyes for Bioconjugation and High Performance Near‐Infrared Fluorescence Imaging. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004449] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Dong‐Hao Li
- Department of Chemistry and Biochemistry University of Notre Dame 251 Nieuwland Science Hall Notre Dame IN 46556 USA
| | - Cynthia L. Schreiber
- Department of Chemistry and Biochemistry University of Notre Dame 251 Nieuwland Science Hall Notre Dame IN 46556 USA
| | - Bradley D. Smith
- Department of Chemistry and Biochemistry University of Notre Dame 251 Nieuwland Science Hall Notre Dame IN 46556 USA
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17
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Demchenko AP. Photobleaching of organic fluorophores: quantitative characterization, mechanisms, protection. Methods Appl Fluoresc 2020; 8:022001. [PMID: 32028269 DOI: 10.1088/2050-6120/ab7365] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Photochemical stability is one of the most important parameters that determine the usefulness of organic dyes in different applications. This Review addresses key factors that determine the dye photostability. It is shown that photodegradation can follow different oxygen-dependent and oxygen-independent mechanisms and may involve both 1S1-3T1 and higher-energy 1Sn-3Tn excited states. Their involvement and contribution depends on dye structure, medium conditions, irradiation power. Fluorescein, rhodamine, BODIPY and cyanine dyes, as well as conjugated polymers are discussed as selected examples illustrating photobleaching mechanisms. The strategies for modulating and improving the photostability are overviewed. They include the improvement of fluorophore design, particularly by attaching protective and anti-fading groups, creating proper medium conditions in liquid, solid and nanoscale environments. The special conditions for biological labeling, sensing and imaging are outlined.
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Affiliation(s)
- Alexander P Demchenko
- Palladin Institute of Biochemistry, Leontovicha st. 9, Kyiv 01030, Ukraine. Yuriy Fedkovych National University, Chernivtsi, 58012, Ukraine
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18
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Wang T, Shah I, Yang Z, Yin W, Zhang S, Yang Y, Yin P, Ma H. Incorporating Thiourea into Fluorescent Probes: A Reliable Strategy for Mitochondrion-Targeted Imaging and Superoxide Anion Tracking in Living Cells. Anal Chem 2020; 92:2824-2829. [PMID: 31957439 DOI: 10.1021/acs.analchem.9b05320] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Three aggregation-induced emission active fluorescent compounds, TPA-Pyr-Octane, TPA-Pyr-Br, and TPA-Pyr-Thiourea (TPA = triphenylamine pyridinium), are synthesized; their tiny differences in chemical structures result in a huge difference in cell-imaging applications. Especially, incorporating thiourea into fluorescent probes is found as a reliable strategy for mitochondrion-targeted imaging and superoxide anion tracking in living cells, which is possibly due to the presence of hydrogen bonding between thiourea and mitochondrion proteins. This finding is very useful for the design of biosensors and delivery carriers in disease treatment.
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Affiliation(s)
- Tao Wang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Imran Shah
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Zengming Yang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Weidong Yin
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Shaoxiong Zhang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Yuan Yang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Pei Yin
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
| | - Hengchang Ma
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering , Northwest Normal University , Lanzhou 730070 , China
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19
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Dobson DE, Mahoney ER, Mach TP, LeTourneau RJ, Schmitthenner HF. Pentamethine sulfobenzoindocyanine dyes with low net charge states and high photostability. Photochem Photobiol Sci 2020; 19:56-65. [PMID: 31825058 PMCID: PMC6980914 DOI: 10.1039/c9pp00445a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 12/03/2019] [Indexed: 11/21/2022]
Abstract
A series of Cy5.5 dye analogs and targeted probes with net charges varied from -3 to 0 were synthesized by an optimized method, followed by comparing their spectral and photostability properties in saturated solutions of air, oxygen, and argon. The Cy5.5 analogs with reduced charge were relatively stable when irridated at their excitation maxima, with a trend of higher stability with lower net charge states. The photostability of dyes was markedly lower in pure oxygen and higher in inert argon relative to ambient atmospheric conditions. The stability of c(RGDyK) conjugates as models of targeted molecular imaging agents mirrored these results and demonstrated the practical utility of the new family of Cy5.5 fluorophores.
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Affiliation(s)
- Damien E Dobson
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA
| | - Emily R Mahoney
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA
| | - Toan P Mach
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA
| | - Ryan J LeTourneau
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA
| | - Hans F Schmitthenner
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA.
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20
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Feng L, Chen W, Ma X, Liu SH, Yin J. Near-infrared heptamethine cyanines (Cy7): from structure, property to application. Org Biomol Chem 2020; 18:9385-9397. [DOI: 10.1039/d0ob01962c] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Heptamethine cyanine dyes (Cy7) have attracted much attention in the field of biological application due to their unique structure and attractive near infrared (NIR) photophysical properties.
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Affiliation(s)
- Lan Feng
- Key Laboratory of Pesticide and Chemical Biology
- Ministry of Education; Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for Intelligent Biosensing Technology and Health; College of Chemistry
- Central China Normal University
- Wuhan 430079
- P. R. China
| | - Weijie Chen
- Key Laboratory of Pesticide and Chemical Biology
- Ministry of Education; Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for Intelligent Biosensing Technology and Health; College of Chemistry
- Central China Normal University
- Wuhan 430079
- P. R. China
| | - Xiaoxie Ma
- Key Laboratory of Pesticide and Chemical Biology
- Ministry of Education; Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for Intelligent Biosensing Technology and Health; College of Chemistry
- Central China Normal University
- Wuhan 430079
- P. R. China
| | - Sheng Hua Liu
- Key Laboratory of Pesticide and Chemical Biology
- Ministry of Education; Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for Intelligent Biosensing Technology and Health; College of Chemistry
- Central China Normal University
- Wuhan 430079
- P. R. China
| | - Jun Yin
- Key Laboratory of Pesticide and Chemical Biology
- Ministry of Education; Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis; International Joint Research Center for Intelligent Biosensing Technology and Health; College of Chemistry
- Central China Normal University
- Wuhan 430079
- P. R. China
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21
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Implication of Magnetic Nanoparticles in Cancer Detection, Screening and Treatment. MAGNETOCHEMISTRY 2019. [DOI: 10.3390/magnetochemistry5040055] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
During the last few decades, magnetic nanoparticles have been evaluated as promising materials in the field of cancer detection, screening, and treatment. Early diagnosis and screening of cancer may be achieved using magnetic nanoparticles either within the magnetic resonance imaging technique and/or sensing systems. These sensors are designed to selectively detect specific biomarkers, compounds that can be related to the onset or evolution of cancer, during and after the treatment of this widespread disease. Some of the particular properties of magnetic nanoparticles are extensively exploited in cancer therapy as drug delivery agents to selectively target the envisaged location by tailored in vivo manipulation using an external magnetic field. Furthermore, individualized treatment with antineoplastic drugs may be combined with magnetic resonance imaging to achieve an efficient therapy. This review summarizes the studies about the implications of magnetic nanoparticles in cancer diagnosis, treatment and drug delivery as well as prospects for future development and challenges of magnetic nanoparticles in the field of oncology.
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22
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Lee S, Jung JS, Jo G, Yang DH, Koh YS, Hyun H. Near-Infrared Fluorescent Sorbitol Probe for Targeted Photothermal Cancer Therapy. Cancers (Basel) 2019; 11:E1286. [PMID: 31480639 PMCID: PMC6770855 DOI: 10.3390/cancers11091286] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/16/2019] [Accepted: 08/30/2019] [Indexed: 12/20/2022] Open
Abstract
Abstract: Photothermal therapy (PTT) using a near-infrared (NIR) heptamethine cyanine fluorophore has emerged as an alternative strategy for targeted cancer therapy. NIR fluorophores showing a high molar extinction coefficient and low fluorescence quantum yield have considerable potential applications in photothermal cancer therapy. In this study, a bifunctional sorbitol-ZW800 conjugate was used as an advanced concept of photothermal therapeutic agents for in vivo cancer imaging and therapy owing to the high tumor targetability of the sorbitol moiety and excellent photothermal property of NIR heptamethine cyanine fluorophore. The sorbitol-ZW800 showed an excellent photothermal effect increased by 58.7 °C after NIR laser irradiation (1.1 W/cm2) for 5 min. The HT-29 tumors targeted by sorbitol-ZW800 showed a significant decrease in tumor volumes for 7 days after photothermal treatment. Therefore, combining the bifunctional sorbitol-ZW800 conjugate and NIR laser irradiation is an alternative way for targeted cancer therapy, and this approach holds great promise as a safe and highly efficient NIR photothermal agent for future clinical applications.
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Affiliation(s)
- Sungsu Lee
- Department of Otolaryngology-Head and Neck Surgery, Chonnam National University Hwasun Hospital and Medical School, Hwasun 58128, Korea
| | - Jin Seok Jung
- Department of Biomedical Sciences, Chonnam National University Medical School, Hwasun 58128, Korea
| | - Gayoung Jo
- Department of Biomedical Sciences, Chonnam National University Medical School, Hwasun 58128, Korea
| | - Dae Hyeok Yang
- Institute of Cell and Tissue Engineering, College of Medicine, The Catholic University of Korea, Seoul 06591, Korea
| | - Yang Seok Koh
- Department of Surgery, Chonnam National University Hwasun Hospital and Medical School, Hwasun 58128, Korea.
| | - Hoon Hyun
- Department of Biomedical Sciences, Chonnam National University Medical School, Hwasun 58128, Korea.
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23
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Thavornpradit S, Usama SM, Lin CM, Burgess K. Protein labelling and albumin binding characteristics of the near-IR Cy7 fluorophore, QuatCy. Org Biomol Chem 2019; 17:7150-7154. [PMID: 31317168 PMCID: PMC6903683 DOI: 10.1039/c9ob01184f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Free cysteine residues react with QuatCy 1, by simply mixing the protein and dye in aqueous buffer at 37 °C. Another dye, MHI-148, can be used for a similar labelling protocol, but QuatCy reacts faster with all proteins studied, except albumin; it emerges here that this is because MHI-148 instantly forms of a non-covalent complex with albumin, but QuatCy does not. Labelling with QuatCy has advantages insofar as it is over five times brighter, and much more photostable, than MHI-148, and combination labelling with this dye pair will allow multiplexing in the near-IR region.
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Affiliation(s)
- Sopida Thavornpradit
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
| | - Syed Muhammad Usama
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
| | - Chen-Ming Lin
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
| | - Kevin Burgess
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
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24
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Luciano MP, Crooke SN, Nourian S, Dingle I, Nani RR, Kline G, Patel NL, Robinson CM, Difilippantonio S, Kalen JD, Finn MG, Schnermann MJ. A Nonaggregating Heptamethine Cyanine for Building Brighter Labeled Biomolecules. ACS Chem Biol 2019; 14:934-940. [PMID: 31030512 PMCID: PMC6528163 DOI: 10.1021/acschembio.9b00122] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Heptamethine cyanines
are broadly used for a range of near-infrared
imaging applications. As with many fluorophores, these molecules are
prone to forming nonemissive aggregates upon biomolecule conjugation.
Prior work has focused on persulfonation strategies, which only partially
address these issues. Here, we report a new set of peripheral substituents,
short polyethylene glycol chains on the indolenine nitrogens and a
substituted alkyl ether at the C4′ position, that provide exceptionally
aggregation-resistant fluorophores. These symmetrical molecules are
net-neutral, can be prepared in a concise sequence, and exhibit no
evidence of H-aggregation even at high labeling density when
appended to monoclonal antibodies or virus-like particles. The resulting
fluorophore–biomolecule conjugates exhibit exceptionally bright in vitro and in vivo signals when compared
to a conventional persulfonated heptamethine cyanine. Overall, these
efforts provide a new class of heptamethine cyanines with significant
utility for complex labeling applications.
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Affiliation(s)
- Michael P. Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Stephen N. Crooke
- School of Chemistry and Biochemistry, School of Biological Sciences, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332, United States
| | - Saghar Nourian
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Ivan Dingle
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Roger R. Nani
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Gabriel Kline
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Nimit L. Patel
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Christina M. Robinson
- Animal Research Technical Support, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Simone Difilippantonio
- Animal Research Technical Support, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - Joseph D. Kalen
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc., Frederick, Maryland 21702, United States
| | - M. G. Finn
- School of Chemistry and Biochemistry, School of Biological Sciences, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332, United States
| | - Martin J. Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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25
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Pan H, Liu Y, Liu S, Ou Z, Chen H, Li H. A dual-function colorimetric probe based on Carbazole-Cyanine dyad for highly sensitive recognition of cyanide and hypochlorous acid in aqueous media. Talanta 2019; 202:329-335. [PMID: 31171190 DOI: 10.1016/j.talanta.2019.05.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 04/19/2019] [Accepted: 05/02/2019] [Indexed: 01/23/2023]
Abstract
A dual-function colorimetric probe (Cz-Cy7) with an electron-donating carbazole tethered at the central position of heptamethine cyanine was designed and synthesized, and the performance on CN- and HClO detection were systematically investigated. With the addition of CN-, Cz-Cy7 exhibited remarkable changes in both UV-vis and fluorescence spectra with a good linear relationship to CN- concentration, and a discernible color change under daylight was observed. The limit of detection for CN- was found to be 9.1 nM in DMF and 0.09 μM in DMF/H2O. Meanwhile, Cz-Cy7 exhibited a highly sensitive response to HClO in the presence of other ROS (reactive oxygen species) based on the sensing mechanism of oxidative cleavage of olefinic C = = C bond. The limit of detection for HClO was evaluated to be 14 nM in PBS buffer solution (containing 50% CH3CN). More importantly, the probe Cz-Cy7 showed good recovery and analytical precision in real water samples for both CN- and HClO detection, indicating it was feasible and reliable for practical application. Moreover, the test strips loaded with Cz-Cy7 were fabricated and validated to be a portable tool for the efficient detection of CN- and HClO by the naked eye.
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Affiliation(s)
- Hua Pan
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China
| | - Yijiang Liu
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China.
| | - Shuzhi Liu
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China
| | - Zhipeng Ou
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China
| | - Hongbiao Chen
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China
| | - Huaming Li
- College of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of Education and Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Xiangtan University, Xiangtan, 411105, Hunan Province, China.
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26
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Thavornpradit S, Usama SM, Park GK, Shrestha JP, Nomura S, Baek Y, Choi HS, Burgess K. QuatCy: A Heptamethine Cyanine Modification With Improved Characteristics. Theranostics 2019; 9:2856-2867. [PMID: 31244928 PMCID: PMC6568187 DOI: 10.7150/thno.33595] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 03/23/2019] [Indexed: 01/12/2023] Open
Abstract
A major restriction on optical imaging techniques is the range of available fluorophores that are compatible with aqueous media without aggregation, absorb light above 750 nm with high extinction coefficients, fluoresce with relatively high quantum yields, and resist photodecomposition. Indocyanine green (ICG or A in this paper) is an important example of a fluorophore that fits this description. Other dyes that are becoming increasingly prevalent are select heptamethine cyanine dyes (Cy7) which feature a cyclohexyl framework to rigidify the conjugated alkenes, and meso-chlorine substitution; MHI-148 (B) is one example. Methods: Research described here was initiated to uncover the consequences of a simple isoelectronic substitution to MHI-148 that replaces a cyclohexyl methylene with a dialkyl ammonium fragment. Solubility experiments were carried out in aqueous and cell culture media, photophysical properties including fluorescence quantum yields, brightness and stability were measured. Moreover, in vivo pharmacokinetics, distribution and tumor seeking properties were also explored. Results: Modification to incorporate dialkyl ammonium fragment leads to a brighter, more photostable fluorophore, with a decreased tendency to aggregation, complementary solubility characteristics, and a lower cytotoxicity. Conclusion: All the above-mentioned parameters are favorable for many anticipated applications of the new dye we now call quaternary cyanine-7 or QuatCy.
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Affiliation(s)
- Sopida Thavornpradit
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA
| | - Syed Muhammad Usama
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA
| | - G. Kate Park
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Jaya P. Shrestha
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA
| | - Shinsuke Nomura
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Yoonji Baek
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Hak Soo Choi
- Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Kevin Burgess
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA
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27
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Kuo CT, Wu IC, Chen L, Yu J, Wu L, Chiu DT. Improving the Photostability of Semiconducting Polymer Dots Using Buffers. Anal Chem 2018; 90:11785-11790. [PMID: 30277754 DOI: 10.1021/acs.analchem.8b03104] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The photostability of fluorescent probes is critical in biological imaging, especially for long-term observational analyses. Here, we describe a simple and universal method to improve the photostability of semiconducting polymer dots (Pdots) and other fluorescent probes by using buffers. Using Pdots as a model system, we found that HEPES or MES buffer can improve the photostability of Pdots by a factor of 20. Through a systematic study, we show that Pdot photobleaching is dominated by photoinduced radicals which can be quenched by the piperazine or morpholine structures of these buffers, which act as radical scavengers. For conditions where choice of buffer is limited, we designed fluorescent polymers conjugated with radical scavengers to improve Pdot photostability. We then demonstrate a practical application in which HEPES buffer is used to improve the photostability of Pdots during cell imaging.
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Affiliation(s)
- Chun-Ting Kuo
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
| | - I-Che Wu
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
| | - Lei Chen
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
| | - Jiangbo Yu
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
| | - Li Wu
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
| | - Daniel T Chiu
- Departments of Chemistry and Bioengineering , University of Washington , Seattle , Washington 98195 , United States
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Mellanby RJ, Scott JI, Mair I, Fernandez A, Saul L, Arlt J, Moral M, Vendrell M. Tricarbocyanine N-triazoles: the scaffold-of-choice for long-term near-infrared imaging of immune cells in vivo. Chem Sci 2018; 9:7261-7270. [PMID: 30288247 PMCID: PMC6148684 DOI: 10.1039/c8sc00900g] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 07/30/2018] [Indexed: 12/17/2022] Open
Abstract
Herein tricarbocyanine N-triazoles are first described as a rationally-designed near-infrared (NIR) structure overcoming the brightness and photostability limitations of tricarbocyanines for long-term in vivo imaging. The straightforward synthetic approach and the wide availability of alkynes makes this strategy a versatile methodology for the preparation of highly stable N-substituted tricarbocyanines. Furthermore, we validated CIR38M as a non-transferable marker to monitor the fate of therapeutic T cells non-invasively in vivo, showing enhanced performance over conventional NIR fluorophores (i.e. DiR, IR800CW and indocyanine green) as well as compatibility with human cells for translational studies. CIR38M is able to track over time smaller numbers of T cells than current NIR agents, and to visualise antigen-driven accumulation of immune cells at specific sites in vivo. This chemical technology will improve longitudinal imaging studies to assess the efficacy of cell-based immunotherapies in preclinical models and in human samples.
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Affiliation(s)
- Richard J Mellanby
- Medical Research Council Centre for Inflammation Research , The University of Edinburgh , 47 Little France Crescent , EH16 4TJ Edinburgh , UK .
- Royal (Dick) School of Veterinary Studies , The Roslin Institute , Division of Veterinary Clinical Studies , The University of Edinburgh , Hospital for Small Animals , Easter Bush Veterinary Centre , EH25 9RG Roslin , UK .
| | - Jamie I Scott
- Medical Research Council Centre for Inflammation Research , The University of Edinburgh , 47 Little France Crescent , EH16 4TJ Edinburgh , UK .
| | - Iris Mair
- Medical Research Council Centre for Inflammation Research , The University of Edinburgh , 47 Little France Crescent , EH16 4TJ Edinburgh , UK .
| | - Antonio Fernandez
- Medical Research Council Centre for Inflammation Research , The University of Edinburgh , 47 Little France Crescent , EH16 4TJ Edinburgh , UK .
| | - Louise Saul
- Royal (Dick) School of Veterinary Studies , The Roslin Institute , Division of Veterinary Clinical Studies , The University of Edinburgh , Hospital for Small Animals , Easter Bush Veterinary Centre , EH25 9RG Roslin , UK .
| | - Jochen Arlt
- School of Physics and Astronomy , The University of Edinburgh , James Clerk Maxwell Building, Peter Guthrie Tait Road , EH9 3FD Edinburgh , UK
| | - Monica Moral
- Renewable Energy Research Institute , University of Castilla-La Mancha , 02071 Albacete , Spain
| | - Marc Vendrell
- Medical Research Council Centre for Inflammation Research , The University of Edinburgh , 47 Little France Crescent , EH16 4TJ Edinburgh , UK .
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29
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Liu Y, Qiu D, Pan H, Li M, Chen H, Li H. A highly selective fluorescent probe for colorimetric recognition of cyanide anion based on heptamethine cyanine-triphenylamine conjugate. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.06.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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30
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Yang Z, Usama SM, Li F, Burgess K, Li Z. A zwitterionic near-infrared dye linked TrkC targeting agent for imaging metastatic breast cancer. MEDCHEMCOMM 2018; 9:1754-1760. [PMID: 30429980 DOI: 10.1039/c8md00190a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/25/2018] [Indexed: 01/06/2023]
Abstract
Much effort has been devoted to targeting agents for imaging and chemotherapy of tumors in cancer research, but there remain significant unmet needs in that area. We have reported a series of preclinical TrkC targeting agents for diagnoses and treatment of metastatic breast cancer; however, with respect to optical imaging, there are limitations to the agents already disclosed. In this work, a TrkC targeting fragment was equipped with a zwitterionic cyanine dye to give a near-infrared probe for in vivo imaging of metastatic breast tumors, with excitation and emission wavelengths of 760 and 780 nm, respectively, and facilitate the aqueous dissolution of the final design. To our delight, the newly developed probe maintained the specific targeting to TrkC+ 4T1 metastatic breast tumor cells as well as the TrkC+ metastatic breast tumor tissue. Upon injection into 4T1-tumor-bearing mice, the tumor was visualized in vivo and ex vivo through the fluorescence signal of the probe. These data seem to encourage further investigations toward developing a TrkC targeting agent for the diagnosis of metastatic breast tumors.
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Affiliation(s)
- Zhen Yang
- Center for Bioenergetics , Houston Methodist Research Institute , Houston , TX 77030 , USA .
| | - Syed Muhammad Usama
- Department of Chemistry , Texas A & M University , Box 30012 , College Station , TX 77842 , USA .
| | - Feng Li
- Center for Bioenergetics , Houston Methodist Research Institute , Houston , TX 77030 , USA .
| | - Kevin Burgess
- Department of Chemistry , Texas A & M University , Box 30012 , College Station , TX 77842 , USA .
| | - Zheng Li
- Center for Bioenergetics , Houston Methodist Research Institute , Houston , TX 77030 , USA .
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31
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Cai Y, Si W, Huang W, Chen P, Shao J, Dong X. Organic Dye Based Nanoparticles for Cancer Phototheranostics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1704247. [PMID: 29611290 DOI: 10.1002/smll.201704247] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 02/03/2018] [Indexed: 06/08/2023]
Abstract
Phototheranostics, which simultaneously combines photodynamic and/or photothermal therapy with deep-tissue diagnostic imaging, is a promising strategy for the diagnosis and treatment of cancers. Organic dyes with the merits of strong near-infrared absorbance, high photo-to-radical and/or photothermal conversion efficiency, great biocompatibility, ready chemical structure fine-tuning capability, and easy metabolism, have been demonstrated as attractive candidates for clinical phototheranostics. These organic dyes can be further designed and fabricated into nanoparticles (NPs) using various strategies. Compared to free molecules, these NPs can be equipped with multiple synergistic functions and show longer lifetime in blood circulation and passive tumor-targeting property via the enhanced permeability and retention effect. In this article, the recent progress of organic dye-based NPs for cancer phototheranostic applications is summarized, which extends the anticancer arsenal and holds promise for clinical uses in the near future.
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Affiliation(s)
- Yu Cai
- Central Laboratory of Stomatology, Nanjing Stomatological Hospital Medical School of Nanjing University, No 30 Zhongyang Road, Nanjing, 210008, China
| | - Weili Si
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, China
- Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an, 710072, China
| | - Peng Chen
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459, Singapore
| | - Jinjun Shao
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, China
| | - Xiaochen Dong
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, China
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32
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Ma Q, Zhang G, Li J, Liao L, Huang J, Fan G, Nie F. High Density Energetic Zwitterionic Diazonium 1,2,4-Triazolate Resulting from an Interesting Bond Cleavage ofE-1,2-Bis(3,4-diamino-1,2,4-triazol-5-yl)-ethane. ChemistrySelect 2018. [DOI: 10.1002/slct.201702902] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Qing Ma
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
| | - Guojie Zhang
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094 P. R. China
| | - Jie Li
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
- School of Materials Science and Engineering; Southwest Petroleum University; Chengdu 610500 P. R. China
| | - Longyu Liao
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
| | - Jinglun Huang
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
| | - Guijuan Fan
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
| | - Fude Nie
- Institute of Chemical Materials; China Academy of Engineering Physics, P.O.Box 919-311; Mianyang 621999 P. R. China
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33
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Zheng Q, Lavis LD. Development of photostable fluorophores for molecular imaging. Curr Opin Chem Biol 2017; 39:32-38. [PMID: 28544971 DOI: 10.1016/j.cbpa.2017.04.017] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 04/18/2017] [Accepted: 04/25/2017] [Indexed: 10/19/2022]
Abstract
Advances in fluorescence microscopy promise to unlock details of biological systems with high spatiotemporal precision. These new techniques also place a heavy demand on the 'photon budget'-the number of photons one can extract from a sample. Improving the photostability of small molecule fluorophores using chemistry is a straightforward method for increasing the photon budget. Here, we review the (sometimes sparse) efforts to understand the mechanism of fluorophore photobleaching and recent advances to improve photostability through reducing the propensity for oxidation or through intramolecular triplet-state quenching. Our intent is to inspire a more thorough mechanistic investigation of photobleaching and the use of precise chemistry to improve fluorescent probes.
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Affiliation(s)
- Qinsi Zheng
- Janelia Research Campus, Howard Hughes Medical Institute, 19700 Helix Dr., Ashburn, VA 20147, USA
| | - Luke D Lavis
- Janelia Research Campus, Howard Hughes Medical Institute, 19700 Helix Dr., Ashburn, VA 20147, USA.
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34
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Zhang Y, Autry SA, McNamara LE, Nguyen ST, Le N, Brogdon P, Watkins DL, Hammer NI, Delcamp JH. Near-Infrared Fluorescent Thienothiadiazole Dyes with Large Stokes Shifts and High Photostability. J Org Chem 2017; 82:5597-5606. [DOI: 10.1021/acs.joc.7b00422] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Yanbing Zhang
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Shane A. Autry
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Louis E. McNamara
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Suong T. Nguyen
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Ngoc Le
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Phillip Brogdon
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Davita L. Watkins
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Nathan I. Hammer
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
| | - Jared H. Delcamp
- Department of Chemistry and
Biochemistry, University of Mississippi, University, Mississippi 38677, United States
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35
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König SG, Krämer R. Accessing Structurally Diverse Near-Infrared Cyanine Dyes for Folate Receptor-Targeted Cancer Cell Staining. Chemistry 2017; 23:9306-9312. [PMID: 28339120 DOI: 10.1002/chem.201700026] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Indexed: 11/09/2022]
Abstract
Folate receptor (FR) targeting is one of the most promising strategies for the development of small-molecule-based cancer imaging agents considering that the FR is highly overexpressed on the surface of many cancer cell types. FR-targeted conjugates of near-infrared (NIR) emissive cyanine dyes are in advanced clinical trials for fluorescence-guided surgery and are valuable research tools for optical molecular imaging in animal models. Only a small number of promising conjugates has been evaluated so far. Analysis of structure-performance relations to identify critical factors modulating the performance of targeted conjugates is essential for successful further optimization. This contribution addresses the need for convenient synthetic access to structurally diverse NIR-emissive cyanine dyes for conjugation with folic acid. Structural variations were introduced to readily available cyanine precursors in particular via C-C-coupling reactions including Suzuki and (for the first time with these types of dyes) Sonogashira cross-couplings. Photophysical properties such as absorbance maxima, brightness, and photostability are highly dependent on the molecular structure. Selected modified cyanines were conjugated to folic acid for cancer cell targeting. Several conjugates display a favorable combination of high fluorescence brightness and photostability with high affinity to FR-positive cancer cells, and enable the selective imaging of these cells with low background.
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Affiliation(s)
- Sandra G König
- Institute of Inorganic Chemistry, Heidelberg University, Im Neuenheimer Feld 274, 69120, Heidelberg, Germany
| | - Roland Krämer
- Institute of Inorganic Chemistry, Heidelberg University, Im Neuenheimer Feld 274, 69120, Heidelberg, Germany
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36
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Ong MJH, Debieu S, Moreau M, Romieu A, Richard JA. Synthesis ofN,N-Dialkylamino-nor-Dihydroxanthene-Hemicyanine Fused Near-Infrared Fluorophores and Their First Water-Soluble and/or Bioconjugatable Analogues. Chem Asian J 2017; 12:936-946. [DOI: 10.1002/asia.201700176] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Michelle Jui Hsien Ong
- Organic Chemistry, Institute of Chemical and Engineering Sciences, ICES; Agency for Science, Technology and Research, A*STAR; 8 Biomedical Grove, Neuros, #07-01 Singapore 138665 Singapore
| | - Sylvain Debieu
- ICMUB, UMR 6302, CNRS, Univ. Bourgogne Franche-Comté; 9, Avenue Alain Savary 21078 Dijon cedex France
| | - Mathieu Moreau
- ICMUB, UMR 6302, CNRS, Univ. Bourgogne Franche-Comté; 9, Avenue Alain Savary 21078 Dijon cedex France
| | - Anthony Romieu
- ICMUB, UMR 6302, CNRS, Univ. Bourgogne Franche-Comté; 9, Avenue Alain Savary 21078 Dijon cedex France
- Institut Universitaire de France; 103, Boulevard Saint-Michel 75005 Paris France
| | - Jean-Alexandre Richard
- Organic Chemistry, Institute of Chemical and Engineering Sciences, ICES; Agency for Science, Technology and Research, A*STAR; 8 Biomedical Grove, Neuros, #07-01 Singapore 138665 Singapore
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37
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Bordenave T, Helle M, Beau F, Georgiadis D, Tepshi L, Bernes M, Ye Y, Levenez L, Poquet E, Nozach H, Razavian M, Toczek J, Stura EA, Dive V, Sadeghi MM, Devel L. Synthesis and in Vitro and in Vivo Evaluation of MMP-12 Selective Optical Probes. Bioconjug Chem 2016; 27:2407-2417. [PMID: 27564088 DOI: 10.1021/acs.bioconjchem.6b00377] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
In designing new tracers consisting of a small peptide conjugated to a reporter of comparable size, particular attention needs to be paid to the selection of the reporter group, which can dictate both the in vitro and the in vivo performances of the whole conjugate. In the case of fluorescent tracers, this is particularly true given the large numbers of available dye moieties differing in their structures and properties. Here, we have investigated the in vitro and in vivo properties of a novel series of MMP-12 selective probes composed of cyanine dyes varying in their structure, net charge, and hydrophilic character, tethered through a linker to a potent and specific MMP-12 phosphinic pseudopeptide inhibitor. The impact of linker length has been also explored. The crystallographic structure of one tracer in complex with MMP-12 has been obtained, providing the first crystal structure of a Cy5.5-derived probe and confirming that the binding of the targeting moiety is unaffected. MMP-12 remains the tracers' privileged target, as attested by their affinity selectivity profile evaluated in solution toward a panel of 12 metalloproteases. In vivo assessment of four selected probes has highlighted not only the impact of the dye structure but also that of the linker length on the probes' blood clearance rates and their biodistributions. These experiments have also provided valuable data on the stability of the dye moieties in vivo. This has permitted the identification of one probe, which combines favorable binding to MMP-12 in solution and on cells with optimized in vivo performance including blood clearance rate suitable for short-time imaging. Through this series of tracers, we have identified various critical factors modulating the tracers' in vivo behavior, which is both useful for the development and optimization of MMP-12 selective radiolabeled tracers and informative for the design of fluorescent probes in general.
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Affiliation(s)
- Thomas Bordenave
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Marion Helle
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Fabrice Beau
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Dimitris Georgiadis
- Department of Chemistry, Laboratory of Organic Chemistry, University of Athens , Panepistimiopolis, Zografou, Athens 15771, Greece
| | - Livia Tepshi
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Mylène Bernes
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Yunpeng Ye
- Cardiovascular Molecular Imaging Laboratory, Section of Cardiovascular Medicine and Yale Cardiovascular Research Center, Yale University School of Medicine , New Haven, Connecticut 06511, United States.,Veterans Affairs Connecticut Healthcare System , West Haven, Connecticut 06516, United States
| | - Laure Levenez
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Enora Poquet
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Hervé Nozach
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Mahmoud Razavian
- Cardiovascular Molecular Imaging Laboratory, Section of Cardiovascular Medicine and Yale Cardiovascular Research Center, Yale University School of Medicine , New Haven, Connecticut 06511, United States.,Veterans Affairs Connecticut Healthcare System , West Haven, Connecticut 06516, United States
| | - Jakub Toczek
- Cardiovascular Molecular Imaging Laboratory, Section of Cardiovascular Medicine and Yale Cardiovascular Research Center, Yale University School of Medicine , New Haven, Connecticut 06511, United States.,Veterans Affairs Connecticut Healthcare System , West Haven, Connecticut 06516, United States
| | - Enrico A Stura
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Vincent Dive
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
| | - Mehran M Sadeghi
- Cardiovascular Molecular Imaging Laboratory, Section of Cardiovascular Medicine and Yale Cardiovascular Research Center, Yale University School of Medicine , New Haven, Connecticut 06511, United States.,Veterans Affairs Connecticut Healthcare System , West Haven, Connecticut 06516, United States
| | - Laurent Devel
- Service d'ingénierie moléculaire des protéines (SIMOPRO), IBITECS, CEA, Université Paris-Saclay , Gif-sur-Yvette F-91191, France
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Abstract
The rise in multidrug resistant (MDR) bacteria has become a global crisis. Rapid and accurate diagnosis of infection will facilitate antibiotic stewardship and preserve our ability to treat and cure patients from bacterial infection. Direct in situ imaging of bacteria offers the prospect of accurately diagnosing disease and monitoring patient outcomes and response to treatment in real-time. There have been many recent advances in the field of optical imaging of infection; namely in specific probe and fluorophore design. This combined with the advances in imaging device technology render direct optical imaging of infection a feasible approach for accurate diagnosis in the clinic. Despite this, there are currently no licensed molecular probes for clinical optical imaging of infection. Here we report some of the most promising and interesting probes and approaches under development for this purpose, which have been evaluated in in vivo models within the laboratory setting.
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39
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Romieu A, Richard JA. An expedient synthesis of N,N-dialkylamino-dihydroxanthene-pyrylium conjugated near-infrared fluorescent dyes. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2015.12.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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40
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Sato K, Gorka AP, Nagaya T, Michie MS, Nani RR, Nakamura Y, Coble VL, Vasalatiy OV, Swenson RE, Choyke PL, Schnermann MJ, Kobayashi H. Role of Fluorophore Charge on the In Vivo Optical Imaging Properties of Near-Infrared Cyanine Dye/Monoclonal Antibody Conjugates. Bioconjug Chem 2015; 27:404-13. [PMID: 26444497 DOI: 10.1021/acs.bioconjchem.5b00492] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Near-infrared (NIR) fluorophores have several advantages over visible-light fluorophores, including superior light penetration in tissue and lower autofluorescence. We recently demonstrated that a new class of NIR cyanine dyes containing a novel C4'-O-alkyl linker exhibit greater chemical stability and excellent optical properties relative to existing C4'-O-aryl variants. We synthesized two NIR cyanine dyes with the same core structure but different indolenine substituents: FNIR-774 bearing four sulfonate groups and FNIR-Z-759 bearing a combination of two sulfonates and two quaternary ammonium cations, resulting in an anionic (-3) or monocationic (+1) charge, respectively. In this study, we compare the in vitro and in vivo optical imaging properties of monoclonal antibody (mAb) conjugates of FNIR-774 and FNIR-Z-759 with panitumumab (pan) at antibody-to-dye ratios of 1:2 or 1:5. Conjugates of both dyes demonstrated similar quenching capacity, stability, and brightness in target cells in vitro. However, FNIR-Z-759 conjugates showed significantly lower background in mice, resulting in higher tumor-to-background ratio. Thus, FNIR-Z-759 conjugates appear to have superior in vivo imaging characteristics compared with FNIR-774 conjugates, especially in the abdominal region, regardless of the dye-mAb ratio. These results suggest that zwitterionic cyanine dyes are a promising class of fluorophores for improving in vivo optical imaging with antibody-NIR dye conjugates.
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Affiliation(s)
| | | | | | | | | | | | - Vince L Coble
- Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health , Rockville, Maryland 20850, United States
| | - Olga V Vasalatiy
- Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health , Rockville, Maryland 20850, United States
| | - Rolf E Swenson
- Imaging Probe Development Center, National Heart, Lung, and Blood Institute, National Institutes of Health , Rockville, Maryland 20850, United States
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