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Matsuoka K, Yamada M, Fukatsu N, Goto K, Shimizu M, Kato A, Kato Y, Yukawa H, Baba Y, Sato M, Sato K. Contrast-enhanced ultrasound imaging for monitoring the efficacy of near-infrared photoimmunotherapy. EBioMedicine 2023; 95:104737. [PMID: 37558554 PMCID: PMC10505829 DOI: 10.1016/j.ebiom.2023.104737] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 08/11/2023] Open
Abstract
BACKGROUND Near-infrared photoimmunotherapy (NIR-PIT) is a promising cancer therapy combining NIR-light irradiation with an antibody and IR700DX, a light-sensitive substance, to destroy tumours. However, homogeneous irradiation is difficult because the light varies depending on the distance and tissue environment. Therefore, markers that indicate sufficient irradiation are necessary. Nanoparticles sized 10∼200 nm show enhanced permeation and retention within tumours, which is further enhanced via NIR-PIT (super enhanced permeability and retention, SUPR). We aimed to monitor the effectiveness of NIR-PIT by measuring SUPR. METHODS A xenograft mouse tumour model was established by inoculating human cancer cells in both buttocks of Balb/C-nu/nu mice, and NIR-PIT was performed on only one side. To evaluate SUPR, fluorescent signal examination was performed using QD800-fluorescent nanoparticles and NIR-fluorescent poly (d,l-lactide-co-glycolic acid) (NIR-PLGA) microparticles. Harmonic signals were evaluated using micro-bubbles of the contrast agent Sonazoid and contrast-enhanced ultrasound (CEUS) imaging. The correlation between SUPR immediately after treatment and NIR-PIT effectiveness on the day after treatment was evaluated. FINDINGS QD800 fluorescent signals persisted only in the treated tumours, and the intensity of remaining signals showed high positive correlation with the therapeutic effect. NIR-PLGA fluorescent signals and Sonazoid-derived harmonic signals remained for a longer time in the treated tumours than in the controls, and the kE value of the two-compartment model correlated with NIR-PIT effectiveness. INTERPRETATION SUPR measurement using Sonazoid and CEUS imaging could be easily adapted for clinical use as a therapeutic image-based biomarker for monitoring and confirming of NIR-PIT efficacy. FUNDING This research was supported by ARIM JAPAN of MEXT, the Program for Developing Next-generation Researchers (Japan Science and Technology Agency), KAKEN (18K15923, 21K07217) (JSPS), CREST (JPMJCR19H2, JST), and FOREST-Souhatsu (JST). Mochida Memorial Foundation for Medical and Pharmaceutical Research; Takeda Science Foundation; The Japan Health Foundation; and Princess Takamatsu Cancer Research Fund. Funders only provided financial support and had no role in the study design, data collection, data analysis, interpretation, and writing of the report.
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Affiliation(s)
- Kohei Matsuoka
- Division of Host Defense Sciences, Dept. of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Japan
| | - Mizuki Yamada
- Division of Host Defense Sciences, Dept. of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Japan
| | - Noriaki Fukatsu
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan
| | - Kyoichi Goto
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Japan
| | - Misae Shimizu
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan
| | - Ayako Kato
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan
| | - Yoshimi Kato
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan
| | - Hiroshi Yukawa
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan; Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Japan; Institute of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Japan; National Institutes for Quantum Science and Technology, Institute for Quantum Life Science, Quantum Life and Medical Science, Japan; Development of Quantum-nano Cancer Photoimmunotherapy for Clinical Application of Refractory Cancer, Nagoya University, Japan
| | - Yoshinobu Baba
- Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Japan; Institute of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Japan; National Institutes for Quantum Science and Technology, Institute for Quantum Life Science, Quantum Life and Medical Science, Japan; Development of Quantum-nano Cancer Photoimmunotherapy for Clinical Application of Refractory Cancer, Nagoya University, Japan
| | - Mitsuo Sato
- Division of Host Defense Sciences, Dept. of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Japan
| | - Kazuhide Sato
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Japan; Institute of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Japan; Development of Quantum-nano Cancer Photoimmunotherapy for Clinical Application of Refractory Cancer, Nagoya University, Japan; Nagoya University Graduate School of Medicine, Japan; FOREST-Souhatsu, JST, Tokyo, Japan.
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2
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Schnermann MJ, Lavis LD. Rejuvenating old fluorophores with new chemistry. Curr Opin Chem Biol 2023; 75:102335. [PMID: 37269674 PMCID: PMC10524207 DOI: 10.1016/j.cbpa.2023.102335] [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: 01/31/2023] [Revised: 04/26/2023] [Accepted: 05/02/2023] [Indexed: 06/05/2023]
Abstract
The field of organic chemistry began with 19th century scientists identifying and then expanding upon synthetic dye molecules for textiles. In the 20th century, dye chemistry continued with the aim of developing photographic sensitizers and laser dyes. Now, in the 21st century, the rapid evolution of biological imaging techniques provides a new driving force for dye chemistry. Of the extant collection of synthetic fluorescent dyes for biological imaging, two classes reign supreme: rhodamines and cyanines. Here, we provide an overview of recent examples where modern chemistry is used to build these old-but-venerable classes of optically responsive molecules. These new synthetic methods access new fluorophores, which then enable sophisticated imaging experiments leading to new biological insights.
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Affiliation(s)
- Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Building 376, Frederick, MD 20850, USA.
| | - Luke D Lavis
- Janelia Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, VA, 20147, USA.
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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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Yamada M, Matsuoka K, Sato M, Sato K. Recent Advances in Localized Immunomodulation Technology: Application of NIR-PIT toward Clinical Control of the Local Immune System. Pharmaceutics 2023; 15:pharmaceutics15020561. [PMID: 36839882 PMCID: PMC9967863 DOI: 10.3390/pharmaceutics15020561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/27/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023] Open
Abstract
Current immunotherapies aim to modulate the balance among different immune cell populations, thereby controlling immune reactions. However, they often cause immune overactivation or over-suppression, which makes them difficult to control. Thus, it would be ideal to manipulate immune cells at a local site without disturbing homeostasis elsewhere in the body. Recent technological developments have enabled the selective targeting of cells and tissues in the body. Photo-targeted specific cell therapy has recently emerged among these. Near-infrared photoimmunotherapy (NIR-PIT) has surfaced as a new modality for cancer treatment, which combines antibodies and a photoabsorber, IR700DX. NIR-PIT is in testing as an international phase III clinical trial for locoregional recurrent head and neck squamous cell carcinoma (HNSCC) patients (LUZERA-301, NCT03769506), with a fast-track designation by the United States Food and Drug Administration (US-FDA). In Japan, NIR-PIT for patients with recurrent head and neck cancer was conditionally approved in 2020. Although NIR-PIT is commonly used for cancer therapy, it could also be exploited to locally eliminate certain immune cells with antibodies for a specific immune cell marker. This strategy can be utilized for anti-allergic therapy. Herein, we discuss the recent technological advances in local immunomodulation technology. We introduce immunomodulation technology with NIR-PIT and demonstrate an example of the knockdown of regulatory T cells (Tregs) to enhance local anti-tumor immune reactions.
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Affiliation(s)
- Mizuki Yamada
- Division of Host Defense Sciences, Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya 461-8673, Japan
| | - Kohei Matsuoka
- Division of Host Defense Sciences, Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya 461-8673, Japan
| | - Mitsuo Sato
- Division of Host Defense Sciences, Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya 461-8673, Japan
| | - Kazuhide Sato
- B3 Unit Frontier, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), Nagoya University Institute for Advanced Research, Nagoya 466-8550, Japan
- FOREST-Souhatsu, CREST, JST, Tokyo 102-0076, Japan
- Graduate School of Medicine, Nagoya University, Nagoya 466-8550, Japan
- Correspondence: ; Tel.: +81-052-744-2167; Fax: +81-052-744-2176
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5
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Effect of Solubilizing Group on the Antibacterial Activity of Heptamethine Cyanine Photosensitizers. Pharmaceutics 2023; 15:pharmaceutics15010247. [PMID: 36678875 PMCID: PMC9864305 DOI: 10.3390/pharmaceutics15010247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023] Open
Abstract
Antibiotic resistance of pathogenic bacteria dictates the development of novel treatment modalities such as antimicrobial photodynamic therapy (APDT) utilizing organic dyes termed photosensitizers that exhibit a high cytotoxicity upon light irradiation. Most of the clinically approved photosensitizers are porphyrins that are poorly excitable in the therapeutic near-IR spectral range. In contrast, cyanine dyes function well in the near-IR region, but their phototoxicity, in general, is very low. The introduction of iodine atoms in the cyanine molecules was recently demonstrated to greatly increase their phototoxicity. Herein, we synthesized a series of the new iodinated heptamethine cyanine dyes (ICy7) containing various solubilizing moieties, i.e., negatively charged carboxylic (ICy7COOH) and sulfonic (ICy7SO3H) groups, positively charged triphenylphosphonium (ICy7PPh3), triethylammonium (ICy7NEt3) and amino (ICy7NH2) groups, and neutral amide (ICy7CONHPr) group. The effect of these substituents on the photodynamic eradication of Gram-positive (S. aureus) and Gram-negative (E. coli and P. aeruginosa) pathogens was studied. Cyanine dyes containing the amide and triphenylphosphonium groups were found to be the most efficient for eradication of the investigated bacteria. These dyes are effective at low concentrations of 0.05 µM (33 J/cm2) for S. aureus, 50 µM (200 J/cm2) for E. coli, and 5 µM (100 J/cm2) for P. aeruginosa and considered, therefore, promising photosensitizers for APDT applications. The innovation of the new photosensitizers consisted of a combination of the heavy-atom effect that increases singlet oxygen generation with the solubilizing group's effect improving cell uptake, and with effective near-IR excitation. Such a combination helped to noticeably increase the APDT efficacy and should pave the way for the development of more advanced photosensitizers for clinical use.
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6
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Usama SM, Caldwell DR, Shrestha P, Luciano MP, Patel NL, Kalen JD, Ivanic J, Schnermann MJ. Modified norcyanines enable ratiometric pH imaging beyond 1000 nm. Biosens Bioelectron 2022; 217:114610. [PMID: 36137483 PMCID: PMC9555292 DOI: 10.1016/j.bios.2022.114610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 02/06/2023]
Abstract
Activatable fluorophores with emission beyond 1000 nm have the potential to enable high contrast imaging in complex in vivo settings. However, there are few scaffolds that can be applied to this challenge. Here we detail the synthesis and evaluation of benzo[c,d]indole-substituted norcyanines that enable pH responsive fluorescence imaging in the long wavelength (>1150 nm) range. A key component of our molecular design is the installation of a hydrophilic substituted quaternary amine in the central dihydropyridine ring system. A compound with a C4'-phenyl substituent, but not the C4'-protio homologue, exhibits absorbance maxima of 740 nm and 1130 nm in basic and acidic media, respectively, with evidence of J-aggregate-like properties. These two distinct absorbances enabled ratiometric imaging of probe internalization in a tumor model. Overall, these studies provide a new class of activatable long-wavelength responsive fluorophores with promising photophysical properties.
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Affiliation(s)
- Syed Muhammad Usama
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Donald R Caldwell
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Pradeep Shrestha
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Michael P Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Nimit L Patel
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc, Frederick, MD, 21702, United States
| | - Joseph D Kalen
- Small Animal Imaging Program, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc, Frederick, MD, 21702, United States
| | - Joseph Ivanic
- Advanced Biomedical Computational Science, Frederick National Laboratory for Cancer Research, Leidos Biomedical Research Inc, Frederick, MD, 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States.
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7
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Takahashi K, Yasui H, Taki S, Shimizu M, Koike C, Taki K, Yukawa H, Baba Y, Kobayashi H, Sato K. Near‐infrared‐induced drug release from antibody–drug double conjugates exerts a cytotoxic photo‐bystander effect. Bioeng Transl Med 2022; 7:e10388. [PMID: 36176626 PMCID: PMC9471993 DOI: 10.1002/btm2.10388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 05/21/2022] [Accepted: 07/16/2022] [Indexed: 11/23/2022] Open
Abstract
Ideal cancer treatments specifically target and eradicate tumor cells without affecting healthy cells. Therefore, antibody‐based therapies that specifically target cancer antigens can be considered ideal cancer therapies. Antibodies linked with small‐molecule drugs (i.e., antibody–drug conjugates [ADCs]) are widely used in clinics as antibody‐based therapeutics. However, because tumors express antigens heterogeneously, greater target specificity and stable binding of noncleavable linkers in ADCs limit their antitumor effects. To overcome this problem, strategies, including decreasing the binding strength, conjugating more drugs, and targeting tumor stroma, have been applied, albeit with limited success. Thus, further technological advancements are required to remotely control the ADCs. Here, we described a drug that is photo‐releasable from an ADC created via simple double conjugation and its antitumor effects both on target and nontarget tumor cells. Specifically, noncleavable T‐DM1 was conjugated with IR700DX to produce T‐DM1‐IR700. Although T‐DM1‐IR700 itself is noncleavable, with NIR‐light irradiation, it can release DM1‐derivatives which elicited antitumor effect in vitro mixed culture and in vivo mixed tumor model which are mimicking heterogeneous tumor‐antigen expression same as real clinical tumors. This cytotoxic photo‐bystander effect occurred in various types mixed cultures in vitro, and changing antibodies also exerted photo‐bystander effects, suggesting that this technology can be used for targeting various specific cancer antigens. These findings can potentially aid the development of strategies to address challenges associated with tumor expression of heterogeneous antigen.
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Affiliation(s)
- Kazuomi Takahashi
- Department of Respiratory Medicine Nagoya University Graduate School of Medicine Showa‐ku, Nagoya Japan
| | - Hirotoshi Yasui
- Department of Respiratory Medicine Nagoya University Graduate School of Medicine Showa‐ku, Nagoya Japan
| | - Shunichi Taki
- Department of Respiratory Medicine Nagoya University Graduate School of Medicine Showa‐ku, Nagoya Japan
| | - Misae Shimizu
- Nagoya University Institute for Advanced Research Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit Showa‐ku, Nagoya Japan
| | - Chiaki Koike
- Nagoya University Institute for Advanced Research Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit Showa‐ku, Nagoya Japan
| | - Kentaro Taki
- Division for Medical Research Engineering Nagoya University Graduate School of Medicine Showa‐ku, Nagoya Japan
| | - Hiroshi Yukawa
- Nagoya University Institute for Advanced Research Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit Showa‐ku, Nagoya Japan
- Institute of Nano‐Life‐Systems, Institutes of Innovation for Future Society Nagoya University Nagoya Japan
- Department of Biomolecular Engineering Nagoya University Graduate School of Engineering Nagoya Japan
| | - Yoshinobu Baba
- Institute of Nano‐Life‐Systems, Institutes of Innovation for Future Society Nagoya University Nagoya Japan
- Department of Biomolecular Engineering Nagoya University Graduate School of Engineering Nagoya Japan
| | - Hisataka Kobayashi
- Molecular Imaging Program National Cancer Institute, National Institutes of Health Bethesda Maryland USA
| | - Kazuhide Sato
- Department of Respiratory Medicine Nagoya University Graduate School of Medicine Showa‐ku, Nagoya Japan
- Nagoya University Institute for Advanced Research Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit Showa‐ku, Nagoya Japan
- Institute of Nano‐Life‐Systems, Institutes of Innovation for Future Society Nagoya University Nagoya Japan
- FOREST‐Souhatsu, CREST, JST Chiyoda‐ku, Tokyo Japan
- Nagoya University Institute for Advanced Research, S‐YLC Japan
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8
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Matikonda SS, McLaughlin R, Shrestha P, Lipshultz C, Schnermann MJ. Structure-Activity Relationships of Antibody-Drug Conjugates: A Systematic Review of Chemistry on the Trastuzumab Scaffold. Bioconjug Chem 2022; 33:1241-1253. [PMID: 35801843 DOI: 10.1021/acs.bioconjchem.2c00177] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Antibody-drug conjugates (ADCs) are a rapidly growing class of cancer therapeutics that seek to overcome the low therapeutic index of conventional cytotoxic agents. However, realizing this goal has been a significant challenge. ADCs comprise several independently modifiable components, including the antibody, payload, linker, and bioconjugation method. Many approaches have been developed to improve the physical properties, potency, and selectivity of ADCs. The anti-HER-2 antibody trastuzumab, first approved in 1998, has emerged as an exceptional targeting agent for ADCs, as well as a broadly used platform for testing new technologies. The extensive work in this area enables the comparison of various linker strategies, payloads, drug-to-antibody ratios (DAR), and mode of attachment. In this review, these conjugates, ranging from the first clinically approved trastuzumab ADC, ado-trastuzumab emtansine (Kadcyla), to the latest variants are described with the goal of providing a broad overview, as well as enabling the comparison of existing and emerging conjugate technologies.
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Affiliation(s)
- Siddharth S Matikonda
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Ryan McLaughlin
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Pradeep Shrestha
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Carol Lipshultz
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, NIH/NCI/CCR, 376 Boyles Street, Frederick, Maryland 21702, United States
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Thapaliya ER, Usama SM, Patel NL, Feng Y, Kalen JD, St Croix B, Schnermann MJ. Cyanine Masking: A Strategy to Test Functional Group Effects on Antibody Conjugate Targeting. Bioconjug Chem 2022; 33:718-725. [PMID: 35389618 PMCID: PMC10506421 DOI: 10.1021/acs.bioconjchem.2c00083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Conjugates of small molecules and antibodies are broadly employed diagnostic and therapeutic agents. Appending a small molecule to an antibody often significantly impacts the properties of the resulting conjugate. Here, we detail a systematic study investigating the effect of various functional groups on the properties of antibody-fluorophore conjugates. This was done through the preparation and analysis of a series of masked heptamethine cyanines (CyMasks)-bearing amides with varied functional groups. These were designed to exhibit a broad range of physical properties, and include hydrophobic (-NMe2), pegylated (NH-PEG-8 or NH-PEG-24), cationic (NH-(CH2)2NMe3+), anionic (NH-(CH2)2SO3-), and zwitterionic (N-(CH2)2NMe3+)-(CH2)3SO3-) variants. The CyMask series was appended to monoclonal antibodies (mAbs) and analyzed for the effects on tumor targeting, clearance, and non-specific organ uptake. Among the series, zwitterionic and pegylated dye conjugates had the highest tumor-to-background ratio (TBR) and a low liver-to-background ratio. By contrast, the cationic and zwitterionic probes had high tumor signal and high TBR, although the latter also exhibited an elevated liver-to-background ratio (LBR). Overall, these studies provide a strategy to test the functional group effects and suggest that zwitterionic substituents possess an optimal combination of high tumor signal, TBR, and low LBR. These results suggest an appealing strategy to mask hydrophobic payloads, with the potential to improve the properties of bioconjugates in vivo.
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Affiliation(s)
- Ek Raj Thapaliya
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Syed Muhammad Usama
- 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
| | - Yang Feng
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute, NIH, 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
| | - Brad St Croix
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute, NIH, Frederick, Maryland 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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10
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Targeted Dual-Modal PET/SPECT-NIR Imaging: From Building Blocks and Construction Strategies to Applications. Cancers (Basel) 2022; 14:cancers14071619. [PMID: 35406390 PMCID: PMC8996983 DOI: 10.3390/cancers14071619] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/17/2022] [Accepted: 03/18/2022] [Indexed: 02/04/2023] Open
Abstract
Molecular imaging is an emerging non-invasive method to qualitatively and quantitively visualize and characterize biological processes. Among the imaging modalities, PET/SPECT and near-infrared (NIR) imaging provide synergistic properties that result in deep tissue penetration and up to cell-level resolution. Dual-modal PET/SPECT-NIR agents are commonly combined with a targeting ligand (e.g., antibody or small molecule) to engage biomolecules overexpressed in cancer, thereby enabling selective multimodal visualization of primary and metastatic tumors. The use of such agents for (i) preoperative patient selection and surgical planning and (ii) intraoperative FGS could improve surgical workflow and patient outcomes. However, the development of targeted dual-modal agents is a chemical challenge and a topic of ongoing research. In this review, we define key design considerations of targeted dual-modal imaging from a topological perspective, list targeted dual-modal probes disclosed in the last decade, review recent progress in the field of NIR fluorescent probe development, and highlight future directions in this rapidly developing field.
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11
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Usama SM, Marker SC, Caldwell DR, Patel NL, Feng Y, Kalen JD, St Croix B, Schnermann MJ. Targeted Fluorogenic Cyanine Carbamates Enable In Vivo Analysis of Antibody-Drug Conjugate Linker Chemistry. J Am Chem Soc 2021; 143:21667-21675. [PMID: 34928588 DOI: 10.1021/jacs.1c10482] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Antibody-drug conjugates (ADCs) are a rapidly emerging therapeutic platform. The chemical linker between the antibody and the drug payload plays an essential role in the efficacy and tolerability of these agents. New methods that quantitatively assess the cleavage efficiency in complex tissue settings could provide valuable insights into the ADC design process. Here we report the development of a near-infrared (NIR) optical imaging approach that measures the site and extent of linker cleavage in mouse models. This approach is enabled by a superior variant of our recently devised cyanine carbamate (CyBam) platform. We identify a novel tertiary amine-containing norcyanine, the product of CyBam cleavage, that exhibits a dramatically increased cellular signal due to an improved cellular permeability and lysosomal accumulation. The resulting cyanine lysosome-targeting carbamates (CyLBams) are ∼50× brighter in cells, and we find this strategy is essential for high-contrast in vivo targeted imaging. Finally, we compare a panel of several common ADC linkers across two antibodies and tumor models. These studies indicate that cathepsin-cleavable linkers provide dramatically higher tumor activation relative to hindered or nonhindered disulfides, an observation that is only apparent with in vivo imaging. This strategy enables quantitative comparisons of cleavable linker chemistries in complex tissue settings with implications across the drug delivery landscape.
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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
| | - Donald R Caldwell
- 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
| | - Yang Feng
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute (NCI), NIH, 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
| | - Brad St Croix
- Tumor Angiogenesis Unit, Mouse Cancer Genetics Program (MCGP), National Cancer Institute (NCI), NIH, Frederick, Maryland 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
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12
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Taki S, Matsuoka K, Nishinaga Y, Takahashi K, Yasui H, Koike C, Shimizu M, Sato M, Sato K. Spatiotemporal depletion of tumor-associated immune checkpoint PD-L1 with near-infrared photoimmunotherapy promotes antitumor immunity. J Immunother Cancer 2021; 9:jitc-2021-003036. [PMID: 34725216 PMCID: PMC8559243 DOI: 10.1136/jitc-2021-003036] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/01/2021] [Indexed: 12/22/2022] Open
Abstract
Background Near-infrared photoimmunotherapy (NIR-PIT) is a new modality for treating cancer, which uses antibody-photoabsorber (IRDye700DX) conjugates that specifically bind to target tumor cells. This conjugate is then photoactivated by NIR light, inducing rapid necrotic cell death. NIR-PIT needs a highly expressed targeting antigen on the cells because of its reliance on antibodies. However, using antibodies limits this useful technology to only those patients whose tumors express high levels of a specific antigen. Thus, to propose an alternative strategy, we modified this phototechnology to augment the anticancer immune system by targeting the almost low-expressed immune checkpoint molecules on tumor cells. Methods We used programmed death-ligand 1 (PD-L1), an immune checkpoint molecule, as the target for NIR-PIT. Although the expression of PD-L1 on tumor cells is usually low, PD-L1 is almost expressed on tumor cells. Intratumoral depletion with PD-L1-targeted NIR-PIT was tested in mouse syngeneic tumor models. Results Although PD-L1-targeted NIR-PIT showed limited effect on tumor cells in vitro, the therapy induced sufficient antitumor effects in vivo, which were thought to be mediated by the ‘photoimmuno’ effect and antitumor immunity augmentation. Moreover, PD-L1-targeted NIR-PIT induced antitumor effect on non-NIR light-irradiated tumors. Conclusions Local PD-L1-targeted NIR-PIT enhanced the antitumor immune reaction through a direct photonecrotic effect, thereby providing an alternative approach to targeted cancer immunotherapy and expanding the scope of cancer therapeutics.
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Affiliation(s)
- Shunichi Taki
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Kohei Matsuoka
- Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Yuko Nishinaga
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Kazuomi Takahashi
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Hirotoshi Yasui
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Chiaki Koike
- Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, Nagoya University Institute for Advanced Research, Nagoya, AICHI, Japan
| | - Misae Shimizu
- Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, Nagoya University Institute for Advanced Research, Nagoya, AICHI, Japan
| | - Mitsuo Sato
- Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan
| | - Kazuhide Sato
- Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, AICHI, Japan .,Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, Nagoya University Institute for Advanced Research, Nagoya, AICHI, Japan.,FOREST-Souhatsu, CREST, JST, Tokyo, Japan.,Nagoya University Institute for Advanced Research, S-YLC, Nagoya University, Nagoya, AICHI, Japan
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13
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Takahashi K, Taki S, Yasui H, Nishinaga Y, Isobe Y, Matsui T, Shimizu M, Koike C, Sato K. HER2 targeting near-infrared photoimmunotherapy for a CDDP-resistant small-cell lung cancer. Cancer Med 2021; 10:8808-8819. [PMID: 34729945 PMCID: PMC8683547 DOI: 10.1002/cam4.4381] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 01/17/2023] Open
Abstract
Background Human epidermal growth factor receptor 2 (HER2) is tyrosine kinase receptor that belongs to the ErbB family and is overexpressed on the membrane surface of various cancer cells, including small cell lung cancer (SCLC); however, no HER2 targeted therapy for SCLC have yet been established. Near‐infrared photoimmunotherapy (NIR‐PIT) is a novel cancer therapy based on photo‐absorber, IRDye‐700DX (IR700), ‐antibody conjugates, and near‐infrared (NIR) light. Methods We used HER2‐positive SCLC parental cell lines (SBC‐3) and its chemoresistant cell lines, and examined therapeutic efficacy of HER2 targeting NIR‐PIT using anti HER2 antibody trastuzumab. Results We found that HER2 expression was upregulated on chemoresistant cell lines, especially cisplatin‐resistance (SBC‐3/CDDP). In vitro, the rate of cell death increased with the amount of NIR‐light irradiation, and it was significantly higher in SBC‐3/CDDP than in SBC‐3. In vivo, tumor growth was more suppressed in SBC‐3/CDDP group than in SBC‐3 group, and survival period tended to be prolonged. Conclusion In this study, we demonstrated that HER2 targeting NIR‐PIT using trastuzumab is promising therapy for HER2‐positive SCLC, and is more effective when HER2 expression is upregulated due to CDDP resistance, suggesting that the HER2 expression level positively corelated with the efficacy of NIR‐PIT.
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Affiliation(s)
- Kazuomi Takahashi
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Shunichi Taki
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Hirotoshi Yasui
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yuko Nishinaga
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yoshitaka Isobe
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Toshinori Matsui
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Misae Shimizu
- B3 Unit, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), Nagoya University Institute for Advanced Research, Nagoya, Japan
| | - Chiaki Koike
- B3 Unit, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), Nagoya University Institute for Advanced Research, Nagoya, Japan
| | - Kazuhide Sato
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, Japan.,B3 Unit, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), Nagoya University Institute for Advanced Research, Nagoya, Japan.,JST, CREST, FOREST-Souhatsu, Tokyo, Japan.,S-YLC, Nagoya University Institute for Advanced Research, Nagoya, Japan
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14
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Matsuoka K, Sato M, Sato K. Hurdles for the wide implementation of photoimmunotherapy. Immunotherapy 2021; 13:1427-1438. [PMID: 34693721 DOI: 10.2217/imt-2021-0241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Near infrared photoimmunotherapy (NIR-PIT) is a molecularly targeted treatment for cancers achieved by injecting a conjugate of IRDye700DX® (IR700), a water-soluble silicon phthalocyanine derivative in the near infrared, and a monoclonal antibody that targets cancer cell antigens. NIR-PIT is a highly specific treatment with few side effects that results in rapid immunogenic cell death. Despite it being a very effective and innovative therapy, there are a few challenges preventing full implementation in clinical practice. These include the limits of near infrared light penetration, selection of targets, concerns about tumor lysis syndrome and drug costs. However, NIR-PIT has been approved by the regulatory authorities in Japan, allowing for exploration of how to mitigate challenges while maximizing the benefits of this treatment modality.
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Affiliation(s)
- Kohei Matsuoka
- Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, 461-8673, Japan
| | - Mitsuo Sato
- Department of Integrated Health Sciences, Nagoya University Graduate School of Medicine, Nagoya, 461-8673, Japan
| | - Kazuhide Sato
- Respiratory Medicine, Nagoya University Graduate School of Medicine, Nagoya, 464-0814, Japan.,Nagoya University Institute for Advanced Research, Advanced Analytical & Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Nagoya, Japan.,FOREST-Souhatsu, CREST, JST, Tokyo, 102-8666, Japan.,Nagoya University Institute for Advanced Research, S-YLC, Nagoya, 464-8601, Japan
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15
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Pharmacokinetics of Single Domain Antibodies and Conjugated Nanoparticles Using a Hybrid near Infrared Method. Int J Mol Sci 2021; 22:ijms22168695. [PMID: 34445399 PMCID: PMC8395466 DOI: 10.3390/ijms22168695] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/05/2021] [Accepted: 08/09/2021] [Indexed: 11/17/2022] Open
Abstract
Iron oxide nanoparticles and single domain antibodies from camelids (VHHs) have been increasingly recognized for their potential uses for medical diagnosis and treatment. However, there have been relatively few detailed characterizations of their pharmacokinetics (PK). The aim of this study was to develop imaging methods and pharmacokinetic models to aid the future development of a novel family of brain MRI molecular contrast agents. An efficient near-infrared (NIR) imaging method was established to monitor VHH and VHH conjugated nanoparticle kinetics in mice using a hybrid approach: kinetics in blood were assessed by direct sampling, and kinetics in kidney, liver, and brain were assessed by serial in vivo NIR imaging. These studies were performed under "basal" circumstances in which the VHH constructs and VHH-conjugated nanoparticles do not substantially interact with targets nor cross the blood brain barrier. Using this approach, we constructed a five-compartment PK model that fits the data well for single VHHs, engineered VHH trimers, and iron oxide nanoparticles conjugated to VHH trimers. The establishment of the feasibility of these methods lays a foundation for future PK studies of candidate brain MRI molecular contrast agents.
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16
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Luciano MP, Dingle I, Nourian S, Schnermann MJ. Preferential Light-Chain Labeling of Native Monoclonal Antibodies Improves the Properties of Fluorophore Conjugates. Tetrahedron Lett 2021; 75. [PMID: 34321699 DOI: 10.1016/j.tetlet.2021.153211] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Site specific labeling methods have significant potential to enhance the properties of antibody conjugates. While studied extensively in the context of antibody-drug conjugates (ADCs), few studies have examined the impact of homogenous labeling on the properties of antibody-fluorophore conjugates (AFCs). We report the application of pentafluorophenyl (PFP) esters, which had previously been shown to be reasonably selective for K188 of the kappa light chain of human IGG antibodies, toward producing AFCs. We show that simple replacement of N-hydroxy succinimide (NHS) with PFP dramatically increases the light-chain specificity of near-infrared (NIR) AFCs. Comparing the properties of AFCs labeled using NHS and PFP-activated esters reveals that the latter exhibits reduced aggregation and improved brightness, both in vitro and in vivo. Overall, the use of PFP esters provides a remarkably simple approach to provide selectively labeled antibodies with improved properties.
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Affiliation(s)
- Michael P Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Ivan Dingle
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Saghar Nourian
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, 21702, United States
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17
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Yasui H, Nishinaga Y, Taki S, Takahashi K, Isobe Y, Shimizu M, Koike C, Taki T, Sakamoto A, Katsumi K, Ishii K, Sato K. Near-infrared photoimmunotherapy targeting GPR87: Development of a humanised anti-GPR87 mAb and therapeutic efficacy on a lung cancer mouse model. EBioMedicine 2021; 67:103372. [PMID: 33993055 PMCID: PMC8138482 DOI: 10.1016/j.ebiom.2021.103372] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/25/2021] [Accepted: 04/16/2021] [Indexed: 01/25/2023] Open
Abstract
BACKGROUND GPR87 is a G-protein receptor that is specifically expressed in tumour cells, such as lung cancer, and rarely expressed in normal cells. GPR87 is a promising target for cancer therapy, but its ligand is controversial. Near-infrared photoimmunotherapy (NIR-PIT) is a novel cancer therapy in which a photosensitiser, IRDye700DX (IR700), binds to antibodies and specifically destroys target cells by irradiating them with near-infrared-light. Here, we aimed to develop a NIR-PIT targeting GPR87. METHODS We evaluated the expression of GPR87 in resected specimens of lung cancer and malignant pleural mesothelioma (MPM) resected at Nagoya University Hospital using immunostaining. Humanised anti-GPR87 antibody (huGPR87) was generated by introducing CDRs from mouse anti-GPR87 antibody generated by standard hybridoma method. HuGPR87 was conjugated with IR700 and the therapeutic effect of NIR-PIT was evaluated in vitro and in vivo using lung cancer or MPM cell lines. FINDINGS Among the surgical specimens, 54% of lung cancer and 100% of MPM showed high expression of GPR87. It showed therapeutic effects on lung cancer and MPM cell lines in vitro, and showed therapeutic effects in multiple models in vivo. INTERPRETATION These results suggest that NIR-PIT targeting GPR87 is a promising therapeutic approach for the treatment of thoracic cancer. FUNDING This research was supported by the Program for Developing Next-generation Researchers (Japan Science and Technology Agency), KAKEN (18K15923, 21K07217, JSPS), FOREST-Souhatsu, CREST (JST).
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Affiliation(s)
- Hirotoshi Yasui
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Yuko Nishinaga
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Shunichi Taki
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Kazuomi Takahashi
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Yoshitaka Isobe
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Misae Shimizu
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Chiaki Koike
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Tetsuro Taki
- Department of Pathology, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan
| | - Aya Sakamoto
- Perseus Proteomics, Inc., 4-7-6, Komaba 153-0041, Meguro-ku, Tokyo, Japan
| | - Keiko Katsumi
- Perseus Proteomics, Inc., 4-7-6, Komaba 153-0041, Meguro-ku, Tokyo, Japan
| | - Keisuke Ishii
- Perseus Proteomics, Inc., 4-7-6, Komaba 153-0041, Meguro-ku, Tokyo, Japan
| | - Kazuhide Sato
- Respiratory Medicine, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan; Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC) / Medical Engineering Unit (MEU), B3 Unit, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8560, Aichi, Japan; FOREST- Souhatsu, CREST, JST; Nagoya University Institute for Advanced Research, S-YLC, Furo-cho, Chikusa-ku, Nagoya 464-8601, Aichi,, Japan.
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18
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Exner RM, Cortezon‐Tamarit F, Pascu SI. Explorations into the Effect of meso-Substituents in Tricarbocyanine Dyes: A Path to Diverse Biomolecular Probes and Materials. Angew Chem Int Ed Engl 2021; 60:6230-6241. [PMID: 32959963 PMCID: PMC7985877 DOI: 10.1002/anie.202008075] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/22/2020] [Indexed: 12/13/2022]
Abstract
Polymethine cyanine dyes have been widely recognized as promising chemical tools for a range of life science and biomedical applications, such as fluorescent staining of DNA and proteins in gel electrophoresis, fluorescence guided surgery, or as ratiometric probes for probing biochemical pathways. The photophysical properties of such dyes can be tuned through the synthetic modification of the conjugated backbone, for example, by altering aromatic cores or by varying the length of the conjugated polymethine chain. Alternative routes to shaping the absorption, emission, and photostability of dyes of this family are centered around the chemical modifications on the polymethine chain. This Minireview aims to discuss strategies for the introduction of substituents in the meso-position, their effect on the photophysical properties of these dyes and some structure-activity correlations which could help overcome common limitations in the state of the art in the synthesis.
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Affiliation(s)
- Rüdiger M. Exner
- Department of ChemistryUniversity of BathClaverton DownBathBA2 7AYUK
| | | | - Sofia I. Pascu
- Department of ChemistryUniversity of BathClaverton DownBathBA2 7AYUK
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19
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Exner RM, Cortezon‐Tamarit F, Pascu SI. Explorations into the Effect of
meso
‐Substituents in Tricarbocyanine Dyes: A Path to Diverse Biomolecular Probes and Materials. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008075] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Rüdiger M. Exner
- Department of Chemistry University of Bath Claverton Down Bath BA2 7AY UK
| | | | - Sofia I. Pascu
- Department of Chemistry University of Bath Claverton Down Bath BA2 7AY UK
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20
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Sun C, Du W, Wang B, Dong B, Wang B. Research progress of near-infrared fluorescence probes based on indole heptamethine cyanine dyes in vivo and in vitro. BMC Chem 2020; 14:21. [PMID: 32259133 PMCID: PMC7106836 DOI: 10.1186/s13065-020-00677-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Accepted: 03/16/2020] [Indexed: 12/22/2022] Open
Abstract
Near-infrared (NIR) fluorescence imaging is a noninvasive technique that provides numerous advantages for the real-time in vivo monitoring of biological information in living subjects without the use of ionizing radiation. Near-infrared fluorescent (NIRF) dyes are widely used as fluorescent imaging probes. These fluorescent dyes remarkably decrease the interference caused by the self-absorption of substances and autofluorescence, increase detection selectivity and sensitivity, and reduce damage to the human body. Thus, they are beneficial for bioassays. Indole heptamethine cyanine dyes are widely investigated in the field of near-infrared fluorescence imaging. They are mainly composed of indole heterocyclics, heptamethine chains, and N-substituent side chains. With indole heptamethine cyanine dyes as the parent, introducing reactive groups to the parent compounds or changing their structures can make fluorescent probes have different functions like labeling protein and tumor, detecting intracellular metal cations, which has become the hotspot in the field of fluorescence imaging of biological research. Therefore, this study reviewed the applications of indole heptamethine cyanine fluorescent probes to metal cation detection, pH, molecules, tumor imaging, and protein in vivo. The distribution, imaging results, and metabolism of the probes in vivo and in vitro were described. The biological application trends and existing problems of fluorescent probes were discussed.
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Affiliation(s)
- Chunlong Sun
- College of Biological and Environmental Engineering & Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta & Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, Binzhou University, Binzhou, 256603 China
| | - Wen Du
- College of Biological and Environmental Engineering & Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta & Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, Binzhou University, Binzhou, 256603 China
| | - Baoqin Wang
- College of Biological and Environmental Engineering & Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta & Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, Binzhou University, Binzhou, 256603 China
| | - Bin Dong
- College of Biological and Environmental Engineering & Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta & Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, Binzhou University, Binzhou, 256603 China
| | - Baogui Wang
- College of Biological and Environmental Engineering & Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta & Shandong Provincial Engineering and Technology Research Center for Wild Plant Resources Development and Application of Yellow River Delta, Binzhou University, Binzhou, 256603 China
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21
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Targeted Phototherapy for Malignant Pleural Mesothelioma: Near-Infrared Photoimmunotherapy Targeting Podoplanin. Cells 2020; 9:cells9041019. [PMID: 32326079 PMCID: PMC7225918 DOI: 10.3390/cells9041019] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 12/22/2022] Open
Abstract
Malignant pleural mesothelioma (MPM) has extremely limited treatment despite a poor prognosis. Moreover, molecular targeted therapy for MPM has not yet been implemented; thus, a new targeted therapy is highly desirable. Near-infrared photoimmunotherapy (NIR-PIT) is a recently developed cancer therapy that combines the specificity of antibodies for targeting tumors with toxicity induced by the photoabsorber after exposure to NIR-light. In this study, we developed a new phototherapy targeting podoplanin (PDPN) for MPM with the use of both NIR-PIT and an anti-PDPN antibody, NZ-1. An antibody–photosensitizer conjugate consisting of NZ-1 and phthalocyanine dye was synthesized. In vitro NIR-PIT-induced cytotoxicity was measured with both dead cell staining and luciferase activity on various MPM cell lines. In vivo NIR-PIT was examined in both the flank tumor and orthotopic mouse model with in vivo real-time imaging. In vitro NIR-PIT-induced cytotoxicity was NIR-light dose dependent. In vivo NIR-PIT led to significant reduction in both tumor volume and luciferase activity in a flank model (p < 0.05, NIR-PIT group versus NZ-1-IR700 group). The PDPN-targeted NIR-PIT resulted in a significant antitumor effect in an MPM orthotopic mouse model (p < 0.05, NIR-PIT group versus NZ-1-IR700 group). This study suggests that PDPN-targeted NIR-PIT could be a new promising treatment for MPM.
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Pèlegrin A, Gutowski M, Cailler F. Les anticorps, outils de choix pour la chirurgie guidée par fluorescence. Med Sci (Paris) 2020; 35:1066-1071. [DOI: 10.1051/medsci/2019207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
La chirurgie guidée par fluorescence se développe en clinique depuis plusieurs années. Si l’utilisation de colorants non ciblés peut être utile dans certaines pathologies, des agents de contraste spécifiques sont indispensables en oncologie. Comme le montrent les dernières études cliniques, les anticorps monoclonaux ont toutes les caractéristiques pour jouer un rôle majeur dans ce domaine d’imagerie médicale, à condition que la cible antigénique soit pertinente.
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Eisenblätter M, Wildgruber M. Optical and Optoacoustic Imaging Probes. Recent Results Cancer Res 2020; 216:337-355. [PMID: 32594392 DOI: 10.1007/978-3-030-42618-7_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Tissue has characteristic properties when it comes to light absorption and scattering. For optical (OI) and optoacoustic imaging (OAI) these properties can be utilised to visualise biological tissue characteristics, as, for example, the oxygenation state of haemoglobin alters the optical and optoacoustic properties of the molecule.
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Affiliation(s)
- Michel Eisenblätter
- Department of Diagnostic and Interventional Radiology, University Medical Center Freiburg, Freiburg im Breisgau, Germany.
| | - Moritz Wildgruber
- Department of Radiology, Ludwig Maximilians-University of Munich, Munich, Germany
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Huang Y, Huang Y, He J, Wang H, Luo Y, Li Y, Liu J, Zhong L, Zhao Y. PEGylated immunoliposome-loaded endoglin single-chain antibody enhances anti-tumor capacity of porcine α1,3GT gene. Biomaterials 2019; 217:119231. [PMID: 31254933 DOI: 10.1016/j.biomaterials.2019.119231] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 05/22/2019] [Accepted: 05/27/2019] [Indexed: 12/31/2022]
Abstract
Tumor could not be completely removed due to the absence of immune storm against tumor. The porcine α1,3 galactosyltransferase (α1,3 GT) induce the hyperacute rejection by synthesizing Galα1-3Galβ1-(3)4GlcNAc-R (αGal) on the surface of graft endothelial cells (ECs) during xeno-transplantation. This study aimed to develop anti-endoglin single-chain Fv fragments (ENG-scFv) conjugated PEGylated immunoliposomes (iLPs) to induce immune storm against tumor. Immune fluorescence was performed to detect the binding of ENG-scFv to human ENG, the endosomal/lysosomal escape of ENG-scFv-iLPs/α1,3 GT, and αGal expression in hENG-HEK293 cells. In vitro MTT assay was performed to measure ENG-scFv-iLPs/α1,3 GT cytotoxicity. NOD/SCID mouse born A549 tumor model was used to evaluate the therapeutic potency of ENG-scFv-iLPs/α1,3 GT. ENG-scFv-iLPs enabled efficient targeting delivery of α1,3 GT plasmid to ENG + tumors neovascular endothelial cells (TnECs), promoted endosomal/lysosomal escape due to the pH-sensitive ability, then synthesized carbohydrate epitope αGal on the surface of these cells to achieve the purpose of destroying the tumor. The mechanism of uptake for nanoparticles was energy driven, the clathrin-mediated endocytosis was the main endocytic pathway of the ENG-mAb-iLPs/α1,3 GT and lipid-raft-mediated of the ENG-scFv-iLPs/α1,3 GT, and macropinocytosis was also involved in intracellular entry. The inhibition of tumor angiogenesis and proliferation by ENG-scFv-iLPs/α1,3 GT was closely related to down-regulation of VEGF. Our findings establish an alternative therapeutic paradigm for scFv-conjugated nanoparticles to induce tumor cell apoptosis and inhibit tumor growth early. Such iLPs nanocarrier could efficiently release α1,3 GT to their distinct sites of action, where the endoglin + tumor neovascular endothelial cells (ENG + TnECs) exist, in a site-specific manner. Therefore, we believe that these scFv-targeted core-shell immunocomplexes are an important potential α1,3 GT delivery system for various solid tumor-targeted therapy.
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Affiliation(s)
- Yingying Huang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Yong Huang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Jian He
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Huiling Wang
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Yiqun Luo
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Yanmei Li
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China
| | - Junjie Liu
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China.
| | - Liping Zhong
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China.
| | - Yongxiang Zhao
- National Center for International Research of Bio-targeting Theranostics, Guangxi Key Laboratory of Bio-targeting Theranostics, Guangxi Medical University, Nanning, Guangxi, 530021, China; Collaborative Innovation Center for Targeting Tumor Diagnosis and Therapy, Guangxi Medical University, Nanning, Guangxi, 530021, China.
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25
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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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26
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Debie P, Hernot S. Emerging Fluorescent Molecular Tracers to Guide Intra-Operative Surgical Decision-Making. Front Pharmacol 2019; 10:510. [PMID: 31139085 PMCID: PMC6527780 DOI: 10.3389/fphar.2019.00510] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 04/24/2019] [Indexed: 12/26/2022] Open
Abstract
Fluorescence imaging is an emerging technology that can provide real-time information about the operating field during cancer surgery. Non-specific fluorescent agents, used for the assessment of blood flow and sentinel lymph node detection, have so far dominated this field. However, over the last decade, several clinical studies have demonstrated the great potential of targeted fluorescent tracers to visualize tumor lesions in a more specific way. This has led to an exponential growth in the development of novel molecular fluorescent contrast agents. In this review, the design of fluorescent molecular tracers will be discussed, with particular attention for agents and approaches that are of interest for clinical translation.
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Affiliation(s)
| | - Sophie Hernot
- Laboratory for in vivo Cellular and Molecular Imaging (ICMI-BEFY/MIMA), Vrije Universiteit Brussel, Brussels, Belgium
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27
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Rovira A, Gandioso A, Goñalons M, Galindo A, Massaguer A, Bosch M, Marchán V. Solid-Phase Approaches for Labeling Targeting Peptides with Far-Red Emitting Coumarin Fluorophores. J Org Chem 2019; 84:1808-1817. [PMID: 30628454 DOI: 10.1021/acs.joc.8b02624] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Fluorophores based on organic molecules hold great potential for ligand-targeted imaging applications, particularly those operating in the optical window in biological tissues. In this work, we have developed three straightforward solid-phase approaches based on amide-bond formation or a Cu(I)-catalyzed azide-alkyne click (CuAAC) reaction for labeling an octreotide peptide with far-red emitting coumarin-based COUPY dyes. First, the conjugatable versions of COUPY fluorophores incorporating the required functional groups (e.g., carboxylic acid, azide, or alkyne) were synthesized and characterized. All of them were found fully compatible with Fmoc/ tBu solid-phase peptide synthesis, which allowed for the labeling of octreotide either through amide-bond formation or by CuAAC reaction. A near quantitative conversion was obtained after only 1 h of reaction at RT when using CuSO4 and sodium ascorbate independently of the click chemistry approach used (azido-COUPY/alkynyl-peptide resin or alkynyl-COUPY/azido-peptide resin). COUPY-octreotide conjugates were found stable in cell culture medium as well as noncytotoxic in HeLa cells, and their spectroscopic and photophysical properties were found similar to those of their parent coumarin dyes. Finally, the potential bioimaging applications of COUPY-octreotide conjugates were demonstrated by confocal microscopy through the visualization of living HeLa cells overexpressing the somatostatin subtype-2 receptor.
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Affiliation(s)
- Anna Rovira
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB , Universitat de Barcelona , Martí i Franquès 1-11 , E-08028 Barcelona , Spain
| | - Albert Gandioso
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB , Universitat de Barcelona , Martí i Franquès 1-11 , E-08028 Barcelona , Spain
| | - Marina Goñalons
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB , Universitat de Barcelona , Martí i Franquès 1-11 , E-08028 Barcelona , Spain
| | - Alex Galindo
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB , Universitat de Barcelona , Martí i Franquès 1-11 , E-08028 Barcelona , Spain
| | - Anna Massaguer
- Departament de Biologia , Universitat de Girona , E-17071 Girona , Spain
| | - Manel Bosch
- Unitat de Microscòpia Òptica Avançada, Centres Científics i Tecnològics , Universitat de Barcelona , E-08028 Barcelona , Spain
| | - Vicente Marchán
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica, IBUB , Universitat de Barcelona , Martí i Franquès 1-11 , E-08028 Barcelona , Spain
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28
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Lin CM, Usama SM, Burgess K. Site-Specific Labeling of Proteins with Near-IR Heptamethine Cyanine Dyes. Molecules 2018; 23:E2900. [PMID: 30405016 PMCID: PMC6278338 DOI: 10.3390/molecules23112900] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/05/2018] [Accepted: 11/06/2018] [Indexed: 11/24/2022] Open
Abstract
Convenient labeling of proteins is important for observing its function under physiological conditions. In tissues particularly, heptamethine cyanine dyes (Cy-7) are valuable because they absorb in the near-infrared (NIR) region (750⁻900 nm) where light penetration is maximal. In this work, we found Cy-7 dyes with a meso-Cl functionality covalently binding to proteins with free Cys residues under physiological conditions (aqueous environments, at near neutral pH, and 37 °C). It transpired that the meso-Cl of the dye was displaced by free thiols in protein, while nucleophilic side-chains from amino acids like Tyr, Lys, and Ser did not react. This finding shows a new possibility for convenient and selective labeling of proteins with NIR fluorescent probes.
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Affiliation(s)
- Chen-Ming Lin
- 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.
| | - Kevin Burgess
- Department of Chemistry, Texas A & M University, Box 30012, College Station, TX 77842, USA.
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29
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Carter LM, Poty S, Sharma SK, Lewis JS. Preclinical optimization of antibody-based radiopharmaceuticals for cancer imaging and radionuclide therapy-Model, vector, and radionuclide selection. J Labelled Comp Radiopharm 2018; 61:611-635. [PMID: 29412489 PMCID: PMC6081268 DOI: 10.1002/jlcr.3612] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 12/19/2017] [Accepted: 01/16/2018] [Indexed: 12/25/2022]
Abstract
Intact antibodies and their truncated counterparts (eg, Fab, scFv fragments) are generally exquisitely specific and selective vectors, enabling recognition of individual cancer-associated molecular phenotypes against a complex and dynamic biomolecular background. Complementary alignment of these advantages with unique properties of radionuclides is a defining paradigm in both radioimmunoimaging and radioimmunotherapy, which remain some of the most adept and promising tools for cancer diagnosis and treatment. This review discusses how translational potency can be maximized through rational selection of antibody-nuclide couples for radioimmunoimaging/therapy in preclinical models.
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Affiliation(s)
- Lukas M Carter
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sophie Poty
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Sai Kiran Sharma
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, New York, USA
- Departments of Radiology and Pharmacology, Weill Cornell Medical College, New York, New York, USA
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center, New York, New York, USA
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30
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Warnders FJ, Lub-de Hooge MN, de Vries EGE, Kosterink JGW. Influence of protein properties and protein modification on biodistribution and tumor uptake of anticancer antibodies, antibody derivatives, and non-Ig scaffolds. Med Res Rev 2018; 38:1837-1873. [PMID: 29635825 DOI: 10.1002/med.21498] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 01/30/2018] [Accepted: 03/02/2018] [Indexed: 12/11/2022]
Abstract
Newly developed protein drugs that target tumor-associated antigens are often modified in order to increase their therapeutic effect, tumor exposure, and safety profile. During the development of protein drugs, molecular imaging is increasingly used to provide additional information on their in vivo behavior. As a result, there are increasing numbers of studies that demonstrate the effect of protein modification on whole body distribution and tumor uptake of protein drugs. However, much still remains unclear about how to interpret obtained biodistribution data correctly. Consequently, there is a need for more insight in the correct way of interpreting preclinical and clinical imaging data. Summarizing the knowledge gained to date may facilitate this interpretation. This review therefore provides an overview of specific protein properties and modifications that can affect biodistribution and tumor uptake of anticancer antibodies, antibody fragments, and nonimmunoglobulin scaffolds. Protein properties that are discussed in this review are molecular size, target interaction, FcRn binding, and charge. Protein modifications that are discussed are radiolabeling, fluorescent labeling drug conjugation, glycosylation, humanization, albumin binding, and polyethylene glycolation.
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Affiliation(s)
- Frank-Jan Warnders
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Marjolijn N Lub-de Hooge
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Elisabeth G E de Vries
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jos G W Kosterink
- Department of Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,PharmacoTherapy, Epidemiology & Economy, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, The Netherlands
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31
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Cha J, Nani RR, Luciano MP, Kline G, Broch A, Kim K, Namgoong JM, Kulkarni RA, Meier JL, Kim P, Schnermann MJ. A chemically stable fluorescent marker of the ureter. Bioorg Med Chem Lett 2018; 28:2741-2745. [PMID: 29510880 DOI: 10.1016/j.bmcl.2018.02.040] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 02/18/2018] [Accepted: 02/19/2018] [Indexed: 12/13/2022]
Abstract
Surgical methods guided by exogenous fluorescent markers have the potential to define tissue types in real time. Small molecule dyes with efficient and selective renal clearance could enable visualization of the ureter during surgical procedures involving the abdomen and pelvis. These studies report the design and synthesis of a water soluble, net neutral C4'-O-alkyl heptamethine cyanine, Ureter-Label (UL)-766, with excellent properties for ureter visualization. This compound is accessed through a concise synthetic sequence involving an N- to O-transposition reaction that provides other inaccessible C4'-O-alkyl heptamethine cyanines. Unlike molecules containing a C4'-O-aryl substituent, which have also been used for ureter visualization, UL-766 is not reactive towards glutathione and the cellular proteome. In addition, rat models of abdominal surgery reveal that UL-766 undergoes efficient and nearly exclusive renal clearance in vivo. In total, this molecule represents a promising candidate for visualizing the ureter during a variety of surgical interventions.
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Affiliation(s)
- Jaepyeong Cha
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, 111 Michigan Ave., NW Washinton, DC 20010, United States.
| | - Roger R Nani
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Michael P Luciano
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Gabriel Kline
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Aline Broch
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, 111 Michigan Ave., NW Washinton, DC 20010, United States
| | - Kihoon Kim
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, 111 Michigan Ave., NW Washinton, DC 20010, United States; Department of Surgery, Inje University Haeundae Paik Hospital, 875 Haeun-daero, Haeundae-gu, Busan 612-896, South Korea
| | - Jung-Man Namgoong
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, 111 Michigan Ave., NW Washinton, DC 20010, United States; Department of Surgery, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 138-736, South Korea
| | - Rhushikesh A Kulkarni
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Jordan L Meier
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States
| | - Peter Kim
- Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, 111 Michigan Ave., NW Washinton, DC 20010, United States
| | - Martin J Schnermann
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, United States.
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32
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Nadendla K, Friedman SH. Light Control of Protein Solubility Through Isoelectric Point Modulation. J Am Chem Soc 2017; 139:17861-17869. [PMID: 29192764 DOI: 10.1021/jacs.7b08465] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We previously described the photoactivated depot or PAD approach that allows for the light control of therapeutic protein release. This approach relies on the ability to use light to change a protein's solubility. Traditionally this was accomplished by linking the protein to an insoluble but injectable polymer via a light cleaved linker. This allows the injected material to remain at the site of injection, until transcutaneous irradiation breaks the link between polymer and protein, permitting the protein to be absorbed. However, there are multiple problems associated with polymer based approaches: The polymer makes up a majority of the material, making it inefficient. In addition, after protein release, the polymer has to be cleared from the body, a significant design challenge. In this work, we create materials that form photoactivated depots of insulin without the need for polymers, by linking photolysis to an isoelectric point shift, which itself is linked to a solubility shift. Specifically, we linked basic groups to insulin via a light cleaved linker. These shift the normal pI of insulin from 5.4 to approximately 7. The result of this incorporation are materials that are completely soluble in mildly acidic solutions but precipitate upon injection into a pH 7 environment, i.e., the skin. We successfully synthesized four such modified insulins, demonstrating that their pI values were shifted in the expected manner. We then analyzed one of them, P2-insulin, in detail, demonstrating that it behaves as designed: It is soluble in a formulation pH of 4, but precipitates at pH 7.2, its approximate pI value. Upon irradiation, the photocleavable link to insulin is broken, and completely native and soluble insulin is released from the depot in a well behaved, first order fashion. These materials are 90% therapeutic, form completely soluble and injectable formulations in mildly acidic conditions, form insoluble depots at neutral pH, efficiently release soluble protein from these depots when irradiated, and leave behind only small easily absorbed molecules after irradiation. As such they approach ideality for photoactivated depot materials.
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Affiliation(s)
- Karthik Nadendla
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City , Kansas City, Missouri 64108, United States
| | - Simon H Friedman
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City , Kansas City, Missouri 64108, United States
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33
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Heinzmann K, Carter LM, Lewis JS, Aboagye EO. Multiplexed imaging for diagnosis and therapy. Nat Biomed Eng 2017; 1:697-713. [PMID: 31015673 DOI: 10.1038/s41551-017-0131-8] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 08/02/2017] [Indexed: 12/12/2022]
Abstract
Complex molecular and metabolic phenotypes depict cancers as a constellation of different diseases with common themes. Precision imaging of such phenotypes requires flexible and tunable modalities capable of identifying phenotypic fingerprints by using a restricted number of parameters while ensuring sensitivity to dynamic biological regulation. Common phenotypes can be detected by in vivo imaging technologies, and effectively define the emerging standards for disease classification and patient stratification in radiology. However, for the imaging data to accurately represent a complex fingerprint, the individual imaging parameters need to be measured and analysed in relation to their wider spatial and molecular context. In this respect, targeted palettes of molecular imaging probes facilitate the detection of heterogeneity in oncogene-driven alterations and their response to treatment, and lead to the expansion of rational-design elements for the combination of imaging experiments. In this Review, we evaluate criteria for conducting multiplexed imaging, and discuss its opportunities for improving patient diagnosis and the monitoring of therapy.
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Affiliation(s)
- Kathrin Heinzmann
- Department of Surgery and Cancer, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | - Lukas M Carter
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Jason S Lewis
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Eric O Aboagye
- Department of Surgery and Cancer, Imperial College London, Du Cane Road, London, W12 0NN, UK.
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